./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label02_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_af358784-7aa1-4d8c-8b28-b77b2b48b0ea/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_af358784-7aa1-4d8c-8b28-b77b2b48b0ea/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_af358784-7aa1-4d8c-8b28-b77b2b48b0ea/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_af358784-7aa1-4d8c-8b28-b77b2b48b0ea/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label02_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_af358784-7aa1-4d8c-8b28-b77b2b48b0ea/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_af358784-7aa1-4d8c-8b28-b77b2b48b0ea/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash addc9e4e4fc897318cfe4d26c9760729a73864e1 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 19:08:35,087 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 19:08:35,088 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 19:08:35,094 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 19:08:35,094 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 19:08:35,095 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 19:08:35,095 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 19:08:35,096 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 19:08:35,097 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 19:08:35,097 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 19:08:35,098 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 19:08:35,098 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 19:08:35,098 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 19:08:35,099 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 19:08:35,099 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 19:08:35,100 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 19:08:35,100 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 19:08:35,101 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 19:08:35,102 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 19:08:35,103 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 19:08:35,103 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 19:08:35,104 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 19:08:35,105 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 19:08:35,105 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 19:08:35,105 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 19:08:35,106 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 19:08:35,106 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 19:08:35,106 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 19:08:35,107 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 19:08:35,107 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 19:08:35,108 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 19:08:35,108 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 19:08:35,108 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 19:08:35,108 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 19:08:35,109 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 19:08:35,109 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 19:08:35,109 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_af358784-7aa1-4d8c-8b28-b77b2b48b0ea/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 19:08:35,116 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 19:08:35,116 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 19:08:35,117 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 19:08:35,117 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 19:08:35,117 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 19:08:35,117 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 19:08:35,117 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 19:08:35,117 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 19:08:35,118 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 19:08:35,118 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 19:08:35,118 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 19:08:35,118 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 19:08:35,118 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 19:08:35,118 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 19:08:35,118 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 19:08:35,118 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 19:08:35,119 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 19:08:35,119 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 19:08:35,119 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 19:08:35,119 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 19:08:35,119 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 19:08:35,119 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 19:08:35,119 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 19:08:35,119 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 19:08:35,119 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 19:08:35,119 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 19:08:35,120 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 19:08:35,120 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 19:08:35,120 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 19:08:35,120 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 19:08:35,120 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 19:08:35,120 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 19:08:35,120 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 19:08:35,120 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 19:08:35,120 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 19:08:35,120 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 19:08:35,120 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_af358784-7aa1-4d8c-8b28-b77b2b48b0ea/bin-2019/utaipan 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 -> Taipan 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 -> addc9e4e4fc897318cfe4d26c9760729a73864e1 [2018-12-09 19:08:35,138 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 19:08:35,147 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 19:08:35,150 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 19:08:35,151 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 19:08:35,152 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 19:08:35,152 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_af358784-7aa1-4d8c-8b28-b77b2b48b0ea/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem01_label02_true-unreach-call_false-termination.c [2018-12-09 19:08:35,190 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_af358784-7aa1-4d8c-8b28-b77b2b48b0ea/bin-2019/utaipan/data/884278604/adf2e1455d26493eaec87e0b997e5154/FLAG4f45c6c72 [2018-12-09 19:08:35,671 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 19:08:35,672 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_af358784-7aa1-4d8c-8b28-b77b2b48b0ea/sv-benchmarks/c/eca-rers2012/Problem01_label02_true-unreach-call_false-termination.c [2018-12-09 19:08:35,679 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_af358784-7aa1-4d8c-8b28-b77b2b48b0ea/bin-2019/utaipan/data/884278604/adf2e1455d26493eaec87e0b997e5154/FLAG4f45c6c72 [2018-12-09 19:08:35,687 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_af358784-7aa1-4d8c-8b28-b77b2b48b0ea/bin-2019/utaipan/data/884278604/adf2e1455d26493eaec87e0b997e5154 [2018-12-09 19:08:35,689 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 19:08:35,690 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 19:08:35,690 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 19:08:35,690 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 19:08:35,692 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 19:08:35,693 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:08:35" (1/1) ... [2018-12-09 19:08:35,695 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a1782ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:08:35, skipping insertion in model container [2018-12-09 19:08:35,695 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:08:35" (1/1) ... [2018-12-09 19:08:35,699 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 19:08:35,724 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 19:08:35,902 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:08:35,905 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 19:08:35,993 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:08:36,003 INFO L195 MainTranslator]: Completed translation [2018-12-09 19:08:36,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:08:36 WrapperNode [2018-12-09 19:08:36,004 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 19:08:36,004 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 19:08:36,004 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 19:08:36,005 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 19:08:36,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:08:36" (1/1) ... [2018-12-09 19:08:36,021 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:08:36" (1/1) ... [2018-12-09 19:08:36,026 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 19:08:36,026 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 19:08:36,026 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 19:08:36,026 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 19:08:36,033 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:08:36" (1/1) ... [2018-12-09 19:08:36,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:08:36" (1/1) ... [2018-12-09 19:08:36,035 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:08:36" (1/1) ... [2018-12-09 19:08:36,035 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:08:36" (1/1) ... [2018-12-09 19:08:36,056 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:08:36" (1/1) ... [2018-12-09 19:08:36,066 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:08:36" (1/1) ... [2018-12-09 19:08:36,069 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:08:36" (1/1) ... [2018-12-09 19:08:36,073 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 19:08:36,074 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 19:08:36,074 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 19:08:36,074 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 19:08:36,075 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:08:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_af358784-7aa1-4d8c-8b28-b77b2b48b0ea/bin-2019/utaipan/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 [2018-12-09 19:08:36,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 19:08:36,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 19:08:36,108 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-09 19:08:36,108 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-09 19:08:36,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 19:08:36,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 19:08:36,109 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 19:08:36,109 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 19:08:36,683 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 19:08:36,684 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 19:08:36,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:08:36 BoogieIcfgContainer [2018-12-09 19:08:36,684 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 19:08:36,685 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 19:08:36,685 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 19:08:36,687 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 19:08:36,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 07:08:35" (1/3) ... [2018-12-09 19:08:36,688 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e32af30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:08:36, skipping insertion in model container [2018-12-09 19:08:36,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:08:36" (2/3) ... [2018-12-09 19:08:36,688 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e32af30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:08:36, skipping insertion in model container [2018-12-09 19:08:36,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:08:36" (3/3) ... [2018-12-09 19:08:36,689 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label02_true-unreach-call_false-termination.c [2018-12-09 19:08:36,695 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 19:08:36,700 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 19:08:36,710 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 19:08:36,730 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 19:08:36,730 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 19:08:36,731 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 19:08:36,731 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 19:08:36,731 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 19:08:36,731 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 19:08:36,731 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 19:08:36,731 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 19:08:36,745 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-12-09 19:08:36,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-12-09 19:08:36,751 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:08:36,751 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:08:36,753 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:08:36,756 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:08:36,756 INFO L82 PathProgramCache]: Analyzing trace with hash 1011489582, now seen corresponding path program 1 times [2018-12-09 19:08:36,758 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:08:36,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:08:36,788 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:08:36,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:08:36,788 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:08:36,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:36,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:08:36,982 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:08:36,982 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 19:08:36,982 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:08:36,986 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 19:08:36,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 19:08:36,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:08:36,996 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-12-09 19:08:37,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:08:37,387 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-12-09 19:08:37,388 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 19:08:37,389 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 96 [2018-12-09 19:08:37,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:08:37,397 INFO L225 Difference]: With dead ends: 547 [2018-12-09 19:08:37,397 INFO L226 Difference]: Without dead ends: 278 [2018-12-09 19:08:37,400 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 [2018-12-09 19:08:37,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2018-12-09 19:08:37,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2018-12-09 19:08:37,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2018-12-09 19:08:37,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 400 transitions. [2018-12-09 19:08:37,436 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 400 transitions. Word has length 96 [2018-12-09 19:08:37,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:08:37,437 INFO L480 AbstractCegarLoop]: Abstraction has 278 states and 400 transitions. [2018-12-09 19:08:37,437 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 19:08:37,437 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 400 transitions. [2018-12-09 19:08:37,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-09 19:08:37,439 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:08:37,439 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-09 19:08:37,440 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:08:37,440 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:08:37,440 INFO L82 PathProgramCache]: Analyzing trace with hash -1321725755, now seen corresponding path program 1 times [2018-12-09 19:08:37,440 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:08:37,441 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:08:37,441 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:08:37,441 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:08:37,441 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:08:37,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:37,505 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:08:37,506 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:08:37,506 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 19:08:37,506 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:08:37,507 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 19:08:37,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 19:08:37,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 19:08:37,507 INFO L87 Difference]: Start difference. First operand 278 states and 400 transitions. Second operand 6 states. [2018-12-09 19:08:37,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:08:37,895 INFO L93 Difference]: Finished difference Result 703 states and 1026 transitions. [2018-12-09 19:08:37,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 19:08:37,896 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 106 [2018-12-09 19:08:37,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:08:37,900 INFO L225 Difference]: With dead ends: 703 [2018-12-09 19:08:37,900 INFO L226 Difference]: Without dead ends: 431 [2018-12-09 19:08:37,901 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 [2018-12-09 19:08:37,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2018-12-09 19:08:37,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 419. [2018-12-09 19:08:37,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2018-12-09 19:08:37,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 588 transitions. [2018-12-09 19:08:37,923 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 588 transitions. Word has length 106 [2018-12-09 19:08:37,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:08:37,923 INFO L480 AbstractCegarLoop]: Abstraction has 419 states and 588 transitions. [2018-12-09 19:08:37,923 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 19:08:37,923 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 588 transitions. [2018-12-09 19:08:37,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-09 19:08:37,925 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:08:37,925 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-09 19:08:37,925 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:08:37,926 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:08:37,926 INFO L82 PathProgramCache]: Analyzing trace with hash -1059863033, now seen corresponding path program 1 times [2018-12-09 19:08:37,926 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:08:37,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:08:37,926 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:08:37,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:08:37,926 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:08:37,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:37,982 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:08:37,982 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:08:37,982 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 19:08:37,982 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:08:37,983 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 19:08:37,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 19:08:37,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:08:37,983 INFO L87 Difference]: Start difference. First operand 419 states and 588 transitions. Second operand 3 states. [2018-12-09 19:08:38,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:08:38,232 INFO L93 Difference]: Finished difference Result 1241 states and 1781 transitions. [2018-12-09 19:08:38,233 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 19:08:38,233 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 107 [2018-12-09 19:08:38,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:08:38,236 INFO L225 Difference]: With dead ends: 1241 [2018-12-09 19:08:38,236 INFO L226 Difference]: Without dead ends: 828 [2018-12-09 19:08:38,237 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:08:38,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2018-12-09 19:08:38,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 828. [2018-12-09 19:08:38,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 828 states. [2018-12-09 19:08:38,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 1160 transitions. [2018-12-09 19:08:38,255 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 1160 transitions. Word has length 107 [2018-12-09 19:08:38,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:08:38,256 INFO L480 AbstractCegarLoop]: Abstraction has 828 states and 1160 transitions. [2018-12-09 19:08:38,256 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 19:08:38,256 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1160 transitions. [2018-12-09 19:08:38,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-09 19:08:38,257 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:08:38,258 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-09 19:08:38,258 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:08:38,258 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:08:38,258 INFO L82 PathProgramCache]: Analyzing trace with hash -742908101, now seen corresponding path program 1 times [2018-12-09 19:08:38,258 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:08:38,258 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:08:38,258 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:08:38,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:08:38,259 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:08:38,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:38,306 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:08:38,306 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:08:38,306 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 19:08:38,306 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:08:38,306 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 19:08:38,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 19:08:38,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:08:38,307 INFO L87 Difference]: Start difference. First operand 828 states and 1160 transitions. Second operand 3 states. [2018-12-09 19:08:38,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:08:38,562 INFO L93 Difference]: Finished difference Result 2331 states and 3360 transitions. [2018-12-09 19:08:38,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 19:08:38,562 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2018-12-09 19:08:38,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:08:38,566 INFO L225 Difference]: With dead ends: 2331 [2018-12-09 19:08:38,566 INFO L226 Difference]: Without dead ends: 1509 [2018-12-09 19:08:38,568 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:08:38,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1509 states. [2018-12-09 19:08:38,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1509 to 1509. [2018-12-09 19:08:38,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1509 states. [2018-12-09 19:08:38,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1509 states to 1509 states and 2059 transitions. [2018-12-09 19:08:38,594 INFO L78 Accepts]: Start accepts. Automaton has 1509 states and 2059 transitions. Word has length 113 [2018-12-09 19:08:38,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:08:38,594 INFO L480 AbstractCegarLoop]: Abstraction has 1509 states and 2059 transitions. [2018-12-09 19:08:38,594 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 19:08:38,594 INFO L276 IsEmpty]: Start isEmpty. Operand 1509 states and 2059 transitions. [2018-12-09 19:08:38,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-09 19:08:38,596 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:08:38,597 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2018-12-09 19:08:38,597 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:08:38,597 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:08:38,597 INFO L82 PathProgramCache]: Analyzing trace with hash -1298833038, now seen corresponding path program 1 times [2018-12-09 19:08:38,597 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:08:38,598 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:08:38,598 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:08:38,598 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:08:38,598 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:08:38,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:38,651 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:08:38,651 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:08:38,652 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:08:38,652 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 133 with the following transitions: [2018-12-09 19:08:38,653 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [73], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [413], [415], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 19:08:38,679 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:08:38,680 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:08:39,053 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 19:08:39,054 INFO L272 AbstractInterpreter]: Visited 100 different actions 193 times. Merged at 3 different actions 3 times. Never widened. Performed 2835 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2835 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-09 19:08:39,059 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:08:39,060 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 19:08:39,253 INFO L227 lantSequenceWeakener]: Weakened 129 states. On average, predicates are now at 81.5% of their original sizes. [2018-12-09 19:08:39,253 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 19:08:39,296 INFO L418 sIntCurrentIteration]: We unified 131 AI predicates to 131 [2018-12-09 19:08:39,297 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 19:08:39,297 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 19:08:39,297 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-09 19:08:39,297 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:08:39,298 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 19:08:39,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 19:08:39,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 19:08:39,298 INFO L87 Difference]: Start difference. First operand 1509 states and 2059 transitions. Second operand 10 states. [2018-12-09 19:08:42,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:08:42,419 INFO L93 Difference]: Finished difference Result 3668 states and 5024 transitions. [2018-12-09 19:08:42,419 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-09 19:08:42,420 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 132 [2018-12-09 19:08:42,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:08:42,424 INFO L225 Difference]: With dead ends: 3668 [2018-12-09 19:08:42,424 INFO L226 Difference]: Without dead ends: 2165 [2018-12-09 19:08:42,426 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 141 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-09 19:08:42,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2165 states. [2018-12-09 19:08:42,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2165 to 1654. [2018-12-09 19:08:42,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1654 states. [2018-12-09 19:08:42,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1654 states to 1654 states and 2227 transitions. [2018-12-09 19:08:42,454 INFO L78 Accepts]: Start accepts. Automaton has 1654 states and 2227 transitions. Word has length 132 [2018-12-09 19:08:42,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:08:42,454 INFO L480 AbstractCegarLoop]: Abstraction has 1654 states and 2227 transitions. [2018-12-09 19:08:42,454 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 19:08:42,454 INFO L276 IsEmpty]: Start isEmpty. Operand 1654 states and 2227 transitions. [2018-12-09 19:08:42,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-09 19:08:42,456 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:08:42,456 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-09 19:08:42,456 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:08:42,456 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:08:42,457 INFO L82 PathProgramCache]: Analyzing trace with hash -1356217131, now seen corresponding path program 1 times [2018-12-09 19:08:42,457 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:08:42,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:08:42,457 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:08:42,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:08:42,457 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:08:42,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:42,537 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 49 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 19:08:42,537 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:08:42,537 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:08:42,537 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 145 with the following transitions: [2018-12-09 19:08:42,537 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [73], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [413], [415], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 19:08:42,540 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:08:42,540 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:08:42,650 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 19:08:42,650 INFO L272 AbstractInterpreter]: Visited 101 different actions 196 times. Merged at 4 different actions 4 times. Never widened. Performed 2699 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2699 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-09 19:08:42,652 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:08:42,653 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 19:08:42,821 INFO L227 lantSequenceWeakener]: Weakened 141 states. On average, predicates are now at 81.49% of their original sizes. [2018-12-09 19:08:42,822 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 19:08:42,859 INFO L418 sIntCurrentIteration]: We unified 143 AI predicates to 143 [2018-12-09 19:08:42,860 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 19:08:42,860 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 19:08:42,860 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-09 19:08:42,860 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:08:42,860 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 19:08:42,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 19:08:42,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 19:08:42,860 INFO L87 Difference]: Start difference. First operand 1654 states and 2227 transitions. Second operand 10 states. [2018-12-09 19:08:45,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:08:45,318 INFO L93 Difference]: Finished difference Result 3576 states and 4769 transitions. [2018-12-09 19:08:45,318 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 19:08:45,318 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 144 [2018-12-09 19:08:45,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:08:45,325 INFO L225 Difference]: With dead ends: 3576 [2018-12-09 19:08:45,326 INFO L226 Difference]: Without dead ends: 1928 [2018-12-09 19:08:45,329 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 151 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-12-09 19:08:45,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1928 states. [2018-12-09 19:08:45,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1928 to 1926. [2018-12-09 19:08:45,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1926 states. [2018-12-09 19:08:45,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1926 states to 1926 states and 2525 transitions. [2018-12-09 19:08:45,366 INFO L78 Accepts]: Start accepts. Automaton has 1926 states and 2525 transitions. Word has length 144 [2018-12-09 19:08:45,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:08:45,366 INFO L480 AbstractCegarLoop]: Abstraction has 1926 states and 2525 transitions. [2018-12-09 19:08:45,366 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 19:08:45,366 INFO L276 IsEmpty]: Start isEmpty. Operand 1926 states and 2525 transitions. [2018-12-09 19:08:45,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-09 19:08:45,369 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:08:45,369 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2018-12-09 19:08:45,369 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:08:45,369 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:08:45,369 INFO L82 PathProgramCache]: Analyzing trace with hash -1717896786, now seen corresponding path program 1 times [2018-12-09 19:08:45,369 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:08:45,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:08:45,370 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:08:45,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:08:45,370 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:08:45,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:45,416 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 61 proven. 14 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-09 19:08:45,416 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:08:45,416 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:08:45,416 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 156 with the following transitions: [2018-12-09 19:08:45,417 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [73], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [413], [415], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 19:08:45,419 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:08:45,420 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:08:45,617 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 19:08:45,617 INFO L272 AbstractInterpreter]: Visited 102 different actions 302 times. Merged at 6 different actions 16 times. Never widened. Performed 4342 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4342 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 2 different actions. Largest state had 42 variables. [2018-12-09 19:08:45,621 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:08:45,621 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 19:08:45,787 INFO L227 lantSequenceWeakener]: Weakened 152 states. On average, predicates are now at 83.26% of their original sizes. [2018-12-09 19:08:45,787 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 19:08:45,813 INFO L418 sIntCurrentIteration]: We unified 154 AI predicates to 154 [2018-12-09 19:08:45,813 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 19:08:45,813 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 19:08:45,813 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [5] total 12 [2018-12-09 19:08:45,813 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:08:45,814 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 19:08:45,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 19:08:45,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 19:08:45,814 INFO L87 Difference]: Start difference. First operand 1926 states and 2525 transitions. Second operand 9 states. [2018-12-09 19:08:47,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:08:47,366 INFO L93 Difference]: Finished difference Result 3604 states and 4782 transitions. [2018-12-09 19:08:47,366 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-09 19:08:47,367 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 155 [2018-12-09 19:08:47,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:08:47,370 INFO L225 Difference]: With dead ends: 3604 [2018-12-09 19:08:47,370 INFO L226 Difference]: Without dead ends: 1956 [2018-12-09 19:08:47,371 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 161 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-12-09 19:08:47,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1956 states. [2018-12-09 19:08:47,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1956 to 1938. [2018-12-09 19:08:47,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1938 states. [2018-12-09 19:08:47,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1938 states to 1938 states and 2506 transitions. [2018-12-09 19:08:47,395 INFO L78 Accepts]: Start accepts. Automaton has 1938 states and 2506 transitions. Word has length 155 [2018-12-09 19:08:47,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:08:47,395 INFO L480 AbstractCegarLoop]: Abstraction has 1938 states and 2506 transitions. [2018-12-09 19:08:47,395 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 19:08:47,395 INFO L276 IsEmpty]: Start isEmpty. Operand 1938 states and 2506 transitions. [2018-12-09 19:08:47,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-09 19:08:47,398 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:08:47,398 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2018-12-09 19:08:47,398 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:08:47,398 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:08:47,398 INFO L82 PathProgramCache]: Analyzing trace with hash 1336844431, now seen corresponding path program 1 times [2018-12-09 19:08:47,398 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:08:47,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:08:47,399 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:08:47,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:08:47,399 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:08:47,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:47,436 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 81 proven. 20 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-12-09 19:08:47,436 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:08:47,436 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:08:47,437 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 175 with the following transitions: [2018-12-09 19:08:47,437 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [33], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [73], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [413], [415], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 19:08:47,438 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:08:47,439 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:08:47,711 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 19:08:47,711 INFO L272 AbstractInterpreter]: Visited 104 different actions 521 times. Merged at 9 different actions 44 times. Widened at 1 different actions 1 times. Performed 7986 root evaluator evaluations with a maximum evaluation depth of 3. Performed 7986 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 12 fixpoints after 3 different actions. Largest state had 42 variables. [2018-12-09 19:08:47,712 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:08:47,713 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 19:08:47,713 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:08:47,713 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_af358784-7aa1-4d8c-8b28-b77b2b48b0ea/bin-2019/utaipan/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 [2018-12-09 19:08:47,720 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:08:47,720 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 19:08:47,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:47,781 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:08:47,831 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 73 proven. 2 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-12-09 19:08:47,831 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 19:08:47,889 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 81 proven. 20 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-12-09 19:08:47,906 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 19:08:47,906 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2018-12-09 19:08:47,906 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 19:08:47,906 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 19:08:47,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 19:08:47,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-12-09 19:08:47,906 INFO L87 Difference]: Start difference. First operand 1938 states and 2506 transitions. Second operand 8 states. [2018-12-09 19:08:49,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:08:49,349 INFO L93 Difference]: Finished difference Result 5973 states and 7933 transitions. [2018-12-09 19:08:49,349 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-12-09 19:08:49,349 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 174 [2018-12-09 19:08:49,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:08:49,356 INFO L225 Difference]: With dead ends: 5973 [2018-12-09 19:08:49,356 INFO L226 Difference]: Without dead ends: 3878 [2018-12-09 19:08:49,359 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 387 GetRequests, 360 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=181, Invalid=631, Unknown=0, NotChecked=0, Total=812 [2018-12-09 19:08:49,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3878 states. [2018-12-09 19:08:49,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3878 to 3447. [2018-12-09 19:08:49,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3447 states. [2018-12-09 19:08:49,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3447 states to 3447 states and 4058 transitions. [2018-12-09 19:08:49,399 INFO L78 Accepts]: Start accepts. Automaton has 3447 states and 4058 transitions. Word has length 174 [2018-12-09 19:08:49,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:08:49,399 INFO L480 AbstractCegarLoop]: Abstraction has 3447 states and 4058 transitions. [2018-12-09 19:08:49,399 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 19:08:49,399 INFO L276 IsEmpty]: Start isEmpty. Operand 3447 states and 4058 transitions. [2018-12-09 19:08:49,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-09 19:08:49,403 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:08:49,403 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:08:49,403 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:08:49,403 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:08:49,403 INFO L82 PathProgramCache]: Analyzing trace with hash -2054069033, now seen corresponding path program 1 times [2018-12-09 19:08:49,403 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:08:49,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:08:49,404 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:08:49,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:08:49,404 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:08:49,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:49,471 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 89 proven. 15 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-09 19:08:49,471 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:08:49,471 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:08:49,471 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 178 with the following transitions: [2018-12-09 19:08:49,471 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [73], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [413], [415], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 19:08:49,474 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:08:49,474 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:08:49,583 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 19:08:49,583 INFO L272 AbstractInterpreter]: Visited 101 different actions 196 times. Merged at 4 different actions 4 times. Never widened. Performed 2758 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2758 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-09 19:08:49,585 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:08:49,585 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 19:08:49,702 INFO L227 lantSequenceWeakener]: Weakened 174 states. On average, predicates are now at 81.51% of their original sizes. [2018-12-09 19:08:49,702 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 19:08:49,744 INFO L418 sIntCurrentIteration]: We unified 176 AI predicates to 176 [2018-12-09 19:08:49,744 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 19:08:49,744 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 19:08:49,745 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-09 19:08:49,745 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:08:49,745 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 19:08:49,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 19:08:49,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 19:08:49,745 INFO L87 Difference]: Start difference. First operand 3447 states and 4058 transitions. Second operand 10 states. [2018-12-09 19:08:51,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:08:51,301 INFO L93 Difference]: Finished difference Result 7029 states and 8345 transitions. [2018-12-09 19:08:51,301 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-09 19:08:51,301 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 177 [2018-12-09 19:08:51,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:08:51,307 INFO L225 Difference]: With dead ends: 7029 [2018-12-09 19:08:51,307 INFO L226 Difference]: Without dead ends: 3860 [2018-12-09 19:08:51,310 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 185 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-12-09 19:08:51,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3860 states. [2018-12-09 19:08:51,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3860 to 3858. [2018-12-09 19:08:51,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3858 states. [2018-12-09 19:08:51,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3858 states to 3858 states and 4509 transitions. [2018-12-09 19:08:51,348 INFO L78 Accepts]: Start accepts. Automaton has 3858 states and 4509 transitions. Word has length 177 [2018-12-09 19:08:51,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:08:51,348 INFO L480 AbstractCegarLoop]: Abstraction has 3858 states and 4509 transitions. [2018-12-09 19:08:51,348 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 19:08:51,348 INFO L276 IsEmpty]: Start isEmpty. Operand 3858 states and 4509 transitions. [2018-12-09 19:08:51,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-09 19:08:51,352 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:08:51,352 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:08:51,352 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:08:51,352 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:08:51,352 INFO L82 PathProgramCache]: Analyzing trace with hash -993030308, now seen corresponding path program 1 times [2018-12-09 19:08:51,352 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:08:51,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:08:51,353 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:08:51,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:08:51,353 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:08:51,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:51,416 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 86 proven. 45 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 19:08:51,416 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:08:51,416 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:08:51,416 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 186 with the following transitions: [2018-12-09 19:08:51,416 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [73], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [413], [415], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 19:08:51,418 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:08:51,418 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:08:51,620 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 19:08:51,621 INFO L272 AbstractInterpreter]: Visited 103 different actions 412 times. Merged at 8 different actions 33 times. Widened at 1 different actions 1 times. Performed 6079 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6079 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 3 different actions. Largest state had 42 variables. [2018-12-09 19:08:51,622 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:08:51,622 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 19:08:51,622 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:08:51,622 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_af358784-7aa1-4d8c-8b28-b77b2b48b0ea/bin-2019/utaipan/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 [2018-12-09 19:08:51,631 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:08:51,631 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 19:08:51,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:51,677 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:08:51,705 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 103 proven. 2 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-12-09 19:08:51,705 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 19:08:51,756 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 91 proven. 38 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-09 19:08:51,771 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 19:08:51,771 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-12-09 19:08:51,772 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 19:08:51,772 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-09 19:08:51,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-09 19:08:51,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-12-09 19:08:51,772 INFO L87 Difference]: Start difference. First operand 3858 states and 4509 transitions. Second operand 11 states. [2018-12-09 19:08:52,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:08:52,700 INFO L93 Difference]: Finished difference Result 12166 states and 14703 transitions. [2018-12-09 19:08:52,700 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-09 19:08:52,700 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 185 [2018-12-09 19:08:52,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:08:52,714 INFO L225 Difference]: With dead ends: 12166 [2018-12-09 19:08:52,714 INFO L226 Difference]: Without dead ends: 8860 [2018-12-09 19:08:52,718 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 393 GetRequests, 373 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2018-12-09 19:08:52,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8860 states. [2018-12-09 19:08:52,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8860 to 8157. [2018-12-09 19:08:52,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8157 states. [2018-12-09 19:08:52,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8157 states to 8157 states and 9550 transitions. [2018-12-09 19:08:52,818 INFO L78 Accepts]: Start accepts. Automaton has 8157 states and 9550 transitions. Word has length 185 [2018-12-09 19:08:52,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:08:52,819 INFO L480 AbstractCegarLoop]: Abstraction has 8157 states and 9550 transitions. [2018-12-09 19:08:52,819 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-09 19:08:52,819 INFO L276 IsEmpty]: Start isEmpty. Operand 8157 states and 9550 transitions. [2018-12-09 19:08:52,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-09 19:08:52,826 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:08:52,826 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:08:52,826 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:08:52,826 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:08:52,826 INFO L82 PathProgramCache]: Analyzing trace with hash 998489172, now seen corresponding path program 1 times [2018-12-09 19:08:52,827 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:08:52,827 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:08:52,827 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:08:52,827 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:08:52,827 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:08:52,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:52,920 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 110 proven. 51 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-09 19:08:52,920 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:08:52,920 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:08:52,920 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 199 with the following transitions: [2018-12-09 19:08:52,920 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [89], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [173], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [413], [415], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 19:08:52,922 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:08:52,922 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:08:53,070 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 19:08:53,071 INFO L272 AbstractInterpreter]: Visited 102 different actions 298 times. Merged at 6 different actions 12 times. Never widened. Performed 4097 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4097 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 42 variables. [2018-12-09 19:08:53,072 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:08:53,072 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 19:08:53,253 INFO L227 lantSequenceWeakener]: Weakened 195 states. On average, predicates are now at 83.13% of their original sizes. [2018-12-09 19:08:53,254 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 19:08:53,296 INFO L418 sIntCurrentIteration]: We unified 197 AI predicates to 197 [2018-12-09 19:08:53,296 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 19:08:53,296 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 19:08:53,296 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-09 19:08:53,296 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:08:53,297 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 19:08:53,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 19:08:53,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 19:08:53,297 INFO L87 Difference]: Start difference. First operand 8157 states and 9550 transitions. Second operand 10 states. [2018-12-09 19:08:54,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:08:54,923 INFO L93 Difference]: Finished difference Result 14308 states and 16791 transitions. [2018-12-09 19:08:54,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 19:08:54,923 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 198 [2018-12-09 19:08:54,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:08:54,942 INFO L225 Difference]: With dead ends: 14308 [2018-12-09 19:08:54,943 INFO L226 Difference]: Without dead ends: 8851 [2018-12-09 19:08:54,950 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 205 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-12-09 19:08:54,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8851 states. [2018-12-09 19:08:55,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8851 to 8846. [2018-12-09 19:08:55,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8846 states. [2018-12-09 19:08:55,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8846 states to 8846 states and 10324 transitions. [2018-12-09 19:08:55,032 INFO L78 Accepts]: Start accepts. Automaton has 8846 states and 10324 transitions. Word has length 198 [2018-12-09 19:08:55,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:08:55,032 INFO L480 AbstractCegarLoop]: Abstraction has 8846 states and 10324 transitions. [2018-12-09 19:08:55,032 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 19:08:55,032 INFO L276 IsEmpty]: Start isEmpty. Operand 8846 states and 10324 transitions. [2018-12-09 19:08:55,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-12-09 19:08:55,039 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:08:55,039 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-09 19:08:55,039 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:08:55,039 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:08:55,039 INFO L82 PathProgramCache]: Analyzing trace with hash 1832763267, now seen corresponding path program 1 times [2018-12-09 19:08:55,039 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:08:55,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:08:55,040 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:08:55,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:08:55,040 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:08:55,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:55,108 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 110 proven. 70 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-09 19:08:55,109 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:08:55,109 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:08:55,109 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 209 with the following transitions: [2018-12-09 19:08:55,109 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [89], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [413], [415], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 19:08:55,110 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:08:55,110 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:08:55,354 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 19:08:55,354 INFO L272 AbstractInterpreter]: Visited 104 different actions 419 times. Merged at 9 different actions 36 times. Widened at 1 different actions 1 times. Performed 6160 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6160 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 10 fixpoints after 4 different actions. Largest state had 42 variables. [2018-12-09 19:08:55,357 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:08:55,357 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 19:08:55,357 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:08:55,357 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_af358784-7aa1-4d8c-8b28-b77b2b48b0ea/bin-2019/utaipan/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 [2018-12-09 19:08:55,363 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:08:55,363 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 19:08:55,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:55,420 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:08:55,468 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 133 proven. 2 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2018-12-09 19:08:55,468 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 19:08:55,513 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 115 proven. 20 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2018-12-09 19:08:55,527 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 19:08:55,527 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2018-12-09 19:08:55,527 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 19:08:55,528 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-09 19:08:55,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-09 19:08:55,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2018-12-09 19:08:55,528 INFO L87 Difference]: Start difference. First operand 8846 states and 10324 transitions. Second operand 12 states. [2018-12-09 19:08:57,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:08:57,362 INFO L93 Difference]: Finished difference Result 20762 states and 25049 transitions. [2018-12-09 19:08:57,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-12-09 19:08:57,362 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 208 [2018-12-09 19:08:57,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:08:57,382 INFO L225 Difference]: With dead ends: 20762 [2018-12-09 19:08:57,382 INFO L226 Difference]: Without dead ends: 12059 [2018-12-09 19:08:57,391 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 483 GetRequests, 441 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 448 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=411, Invalid=1395, Unknown=0, NotChecked=0, Total=1806 [2018-12-09 19:08:57,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12059 states. [2018-12-09 19:08:57,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12059 to 10814. [2018-12-09 19:08:57,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10814 states. [2018-12-09 19:08:57,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10814 states to 10814 states and 12753 transitions. [2018-12-09 19:08:57,519 INFO L78 Accepts]: Start accepts. Automaton has 10814 states and 12753 transitions. Word has length 208 [2018-12-09 19:08:57,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:08:57,519 INFO L480 AbstractCegarLoop]: Abstraction has 10814 states and 12753 transitions. [2018-12-09 19:08:57,519 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-09 19:08:57,519 INFO L276 IsEmpty]: Start isEmpty. Operand 10814 states and 12753 transitions. [2018-12-09 19:08:57,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-12-09 19:08:57,529 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:08:57,529 INFO L402 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:08:57,529 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:08:57,529 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:08:57,529 INFO L82 PathProgramCache]: Analyzing trace with hash -1621014110, now seen corresponding path program 1 times [2018-12-09 19:08:57,530 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:08:57,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:08:57,530 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:08:57,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:08:57,530 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:08:57,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:57,628 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 164 proven. 51 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-09 19:08:57,628 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:08:57,628 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:08:57,628 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 215 with the following transitions: [2018-12-09 19:08:57,628 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [89], [90], [94], [98], [102], [105], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [413], [415], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 19:08:57,630 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:08:57,630 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:08:57,861 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 19:08:57,861 INFO L272 AbstractInterpreter]: Visited 103 different actions 409 times. Merged at 8 different actions 30 times. Widened at 1 different actions 1 times. Performed 6121 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6121 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 7 fixpoints after 3 different actions. Largest state had 42 variables. [2018-12-09 19:08:57,865 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:08:57,865 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 19:08:57,865 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:08:57,865 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_af358784-7aa1-4d8c-8b28-b77b2b48b0ea/bin-2019/utaipan/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 [2018-12-09 19:08:57,871 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:08:57,871 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 19:08:57,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:57,919 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:08:57,965 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 156 proven. 25 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-09 19:08:57,965 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 19:08:58,072 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 179 proven. 2 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-09 19:08:58,087 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 19:08:58,087 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 4, 4] total 12 [2018-12-09 19:08:58,125 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 19:08:58,126 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-09 19:08:58,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-09 19:08:58,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2018-12-09 19:08:58,126 INFO L87 Difference]: Start difference. First operand 10814 states and 12753 transitions. Second operand 11 states. [2018-12-09 19:08:59,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:08:59,620 INFO L93 Difference]: Finished difference Result 23083 states and 29869 transitions. [2018-12-09 19:08:59,620 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-12-09 19:08:59,620 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 214 [2018-12-09 19:08:59,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:08:59,656 INFO L225 Difference]: With dead ends: 23083 [2018-12-09 19:08:59,656 INFO L226 Difference]: Without dead ends: 13392 [2018-12-09 19:08:59,673 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 490 GetRequests, 446 SyntacticMatches, 3 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 511 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=343, Invalid=1463, Unknown=0, NotChecked=0, Total=1806 [2018-12-09 19:08:59,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13392 states. [2018-12-09 19:08:59,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13392 to 12240. [2018-12-09 19:08:59,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12240 states. [2018-12-09 19:08:59,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12240 states to 12240 states and 14096 transitions. [2018-12-09 19:08:59,857 INFO L78 Accepts]: Start accepts. Automaton has 12240 states and 14096 transitions. Word has length 214 [2018-12-09 19:08:59,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:08:59,857 INFO L480 AbstractCegarLoop]: Abstraction has 12240 states and 14096 transitions. [2018-12-09 19:08:59,857 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-09 19:08:59,857 INFO L276 IsEmpty]: Start isEmpty. Operand 12240 states and 14096 transitions. [2018-12-09 19:08:59,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-09 19:08:59,868 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:08:59,868 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:08:59,869 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:08:59,869 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:08:59,869 INFO L82 PathProgramCache]: Analyzing trace with hash 235579725, now seen corresponding path program 1 times [2018-12-09 19:08:59,869 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:08:59,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:08:59,869 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:08:59,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:08:59,869 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:08:59,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:08:59,957 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 277 proven. 18 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2018-12-09 19:08:59,957 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:08:59,957 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:08:59,957 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 278 with the following transitions: [2018-12-09 19:08:59,957 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [45], [46], [49], [50], [53], [54], [58], [62], [66], [70], [74], [78], [82], [86], [89], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [129], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [413], [415], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 19:08:59,959 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:08:59,959 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:09:00,162 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 19:09:00,162 INFO L272 AbstractInterpreter]: Visited 106 different actions 427 times. Merged at 10 different actions 36 times. Widened at 1 different actions 1 times. Performed 6360 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6360 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 12 fixpoints after 6 different actions. Largest state had 42 variables. [2018-12-09 19:09:00,164 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:09:00,164 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 19:09:00,164 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:09:00,164 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_af358784-7aa1-4d8c-8b28-b77b2b48b0ea/bin-2019/utaipan/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 [2018-12-09 19:09:00,171 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:09:00,171 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 19:09:00,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:00,229 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:09:00,280 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 360 proven. 2 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2018-12-09 19:09:00,280 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 19:09:00,339 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 277 proven. 18 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2018-12-09 19:09:00,354 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 19:09:00,354 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 12 [2018-12-09 19:09:00,354 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 19:09:00,354 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 19:09:00,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 19:09:00,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2018-12-09 19:09:00,355 INFO L87 Difference]: Start difference. First operand 12240 states and 14096 transitions. Second operand 9 states. [2018-12-09 19:09:00,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:09:00,965 INFO L93 Difference]: Finished difference Result 17783 states and 20781 transitions. [2018-12-09 19:09:00,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 19:09:00,966 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 277 [2018-12-09 19:09:00,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:09:00,966 INFO L225 Difference]: With dead ends: 17783 [2018-12-09 19:09:00,966 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 19:09:00,985 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 575 GetRequests, 556 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=110, Invalid=310, Unknown=0, NotChecked=0, Total=420 [2018-12-09 19:09:00,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 19:09:00,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 19:09:00,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 19:09:00,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 19:09:00,985 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 277 [2018-12-09 19:09:00,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:09:00,985 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 19:09:00,985 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 19:09:00,985 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 19:09:00,985 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 19:09:00,988 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 19:09:01,405 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,418 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,440 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,441 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,442 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,443 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,489 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,489 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,490 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,527 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,527 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,529 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,541 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,542 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,542 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,689 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,690 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,690 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,690 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,692 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,692 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,692 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,704 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,708 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,710 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,716 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,721 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,724 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,727 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,729 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,729 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,733 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,739 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,742 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,742 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,743 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,744 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,744 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,747 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,751 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,755 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,764 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,773 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,773 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,774 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,776 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,779 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,784 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,787 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,788 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,793 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,798 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,812 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,814 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,817 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,822 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,825 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,827 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,827 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,831 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,843 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,845 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,850 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,850 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,851 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,851 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,861 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,864 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,869 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,892 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,907 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,909 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,911 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,917 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,922 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,934 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,958 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,965 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,972 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,977 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:01,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,007 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,019 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,022 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,062 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,064 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,071 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,072 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,072 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,089 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,095 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,099 WARN L180 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 677 DAG size of output: 252 [2018-12-09 19:09:02,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,140 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,182 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,247 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,320 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,386 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,387 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,388 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,388 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,389 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,390 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,393 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,406 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,418 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,420 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,421 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,423 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,429 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,429 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,436 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,439 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,449 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,458 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,462 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,485 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,496 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,496 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,503 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,507 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,517 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,519 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,522 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,524 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,526 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,538 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,549 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,550 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,550 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,557 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,562 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,617 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,620 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,635 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,655 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,658 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,679 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,682 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,701 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,717 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,742 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,753 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,756 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,759 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,763 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,763 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,769 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,782 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,786 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,794 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,804 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,808 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,818 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,843 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,858 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,881 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,888 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,933 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,969 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:02,970 WARN L180 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 705 DAG size of output: 390 [2018-12-09 19:09:04,439 WARN L180 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 359 DAG size of output: 131 [2018-12-09 19:09:05,317 WARN L180 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 99 [2018-12-09 19:09:07,142 WARN L180 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 387 DAG size of output: 100 [2018-12-09 19:09:07,144 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 19:09:07,144 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a8~0 |old(~a8~0)|) (= ~a7~0 |old(~a7~0)|) (= |old(~a20~0)| ~a20~0) (= ~a17~0 |old(~a17~0)|) (<= |old(~a8~0)| ~a8~0) (= |old(~a16~0)| ~a16~0) (= ~a21~0 |old(~a21~0)|)) [2018-12-09 19:09:07,144 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 19:09:07,144 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-12-09 19:09:07,144 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-12-09 19:09:07,144 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 19:09:07,144 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 19:09:07,144 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 19:09:07,144 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 19:09:07,145 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 19:09:07,145 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 19:09:07,145 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-12-09 19:09:07,145 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-12-09 19:09:07,145 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-12-09 19:09:07,145 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-12-09 19:09:07,145 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-12-09 19:09:07,145 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-12-09 19:09:07,145 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-12-09 19:09:07,145 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-12-09 19:09:07,145 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-12-09 19:09:07,145 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-12-09 19:09:07,145 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 19:09:07,145 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 19:09:07,145 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 19:09:07,145 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 19:09:07,146 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 19:09:07,146 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 19:09:07,146 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-12-09 19:09:07,146 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-12-09 19:09:07,146 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-12-09 19:09:07,146 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-12-09 19:09:07,146 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-12-09 19:09:07,146 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-12-09 19:09:07,146 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-12-09 19:09:07,146 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-12-09 19:09:07,146 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-12-09 19:09:07,146 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-12-09 19:09:07,146 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 446) no Hoare annotation was computed. [2018-12-09 19:09:07,147 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-12-09 19:09:07,147 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-12-09 19:09:07,147 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-12-09 19:09:07,147 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-12-09 19:09:07,147 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-12-09 19:09:07,147 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 19:09:07,147 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 19:09:07,147 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 19:09:07,147 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 19:09:07,147 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 19:09:07,147 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-12-09 19:09:07,147 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-12-09 19:09:07,147 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-12-09 19:09:07,147 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-12-09 19:09:07,148 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-12-09 19:09:07,148 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-12-09 19:09:07,148 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-12-09 19:09:07,148 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-12-09 19:09:07,148 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-12-09 19:09:07,148 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 19:09:07,148 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 19:09:07,148 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 19:09:07,148 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 19:09:07,148 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 19:09:07,148 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-12-09 19:09:07,148 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-12-09 19:09:07,148 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-12-09 19:09:07,148 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-12-09 19:09:07,148 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-12-09 19:09:07,148 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-12-09 19:09:07,149 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-12-09 19:09:07,149 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-12-09 19:09:07,149 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-12-09 19:09:07,149 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-12-09 19:09:07,149 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-12-09 19:09:07,149 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-12-09 19:09:07,149 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-12-09 19:09:07,149 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 19:09:07,149 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 19:09:07,149 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 19:09:07,149 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 19:09:07,149 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 19:09:07,149 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-12-09 19:09:07,149 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-12-09 19:09:07,149 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-12-09 19:09:07,149 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-12-09 19:09:07,149 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-12-09 19:09:07,149 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-12-09 19:09:07,149 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-12-09 19:09:07,149 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-12-09 19:09:07,149 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-12-09 19:09:07,149 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-12-09 19:09:07,149 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-12-09 19:09:07,149 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 19:09:07,149 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 19:09:07,150 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 19:09:07,150 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 19:09:07,150 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-12-09 19:09:07,150 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 19:09:07,150 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-12-09 19:09:07,150 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-12-09 19:09:07,150 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-12-09 19:09:07,150 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-12-09 19:09:07,150 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-12-09 19:09:07,150 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-12-09 19:09:07,150 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-12-09 19:09:07,150 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-12-09 19:09:07,150 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-12-09 19:09:07,150 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-12-09 19:09:07,150 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-12-09 19:09:07,150 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-12-09 19:09:07,150 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-12-09 19:09:07,150 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 19:09:07,150 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 19:09:07,150 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 19:09:07,150 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 19:09:07,150 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 19:09:07,150 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-12-09 19:09:07,150 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-12-09 19:09:07,150 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-12-09 19:09:07,150 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-12-09 19:09:07,150 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-12-09 19:09:07,151 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-12-09 19:09:07,151 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-12-09 19:09:07,151 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-12-09 19:09:07,151 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 19:09:07,151 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 19:09:07,151 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 19:09:07,151 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 19:09:07,151 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 19:09:07,151 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-12-09 19:09:07,151 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-12-09 19:09:07,151 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-12-09 19:09:07,151 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-12-09 19:09:07,151 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-12-09 19:09:07,151 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-12-09 19:09:07,151 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-12-09 19:09:07,151 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-12-09 19:09:07,151 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-12-09 19:09:07,151 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-12-09 19:09:07,151 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse19 (= 1 |old(~a7~0)|))) (let ((.cse1 (= 4 |old(~a16~0)|)) (.cse36 (= 1 |old(~a20~0)|)) (.cse28 (= 6 |old(~a16~0)|)) (.cse4 (not .cse19))) (let ((.cse0 (< 13 |old(~a8~0)|)) (.cse3 (< |old(~a20~0)| 1)) (.cse25 (= 1 ~a21~0)) (.cse8 (or .cse28 .cse4)) (.cse31 (< 0 |old(~a20~0)|)) (.cse30 (= |old(~a20~0)| ~a20~0)) (.cse41 (= ~a21~0 |old(~a21~0)|)) (.cse13 (<= ~a8~0 |old(~a8~0)|)) (.cse14 (= ~a7~0 |old(~a7~0)|)) (.cse15 (= ~a17~0 |old(~a17~0)|)) (.cse40 (= ~a16~0 |old(~a16~0)|)) (.cse24 (<= |old(~a8~0)| ~a8~0)) (.cse32 (= 0 |old(~a16~0)|)) (.cse18 (not (= 1 |old(~a21~0)|))) (.cse7 (not .cse36)) (.cse9 (not .cse1)) (.cse33 (not (= 8 ~a12~0))) (.cse34 (= |calculate_output_#in~input| 0)) (.cse35 (not (= 1 |old(~a17~0)|))) (.cse39 (= ~a16~0 4)) (.cse29 (= |old(~a16~0)| ~a16~0)) (.cse26 (= ~a20~0 1))) (let ((.cse10 (not (= ~a8~0 0))) (.cse11 (or (and (and .cse39 (= ~a8~0 13)) .cse29 .cse26) (and (not (= ~a7~0 1)) .cse29 .cse26))) (.cse12 (= ~a21~0 1)) (.cse17 (= 0 |old(~a8~0)|)) (.cse16 (and (or .cse18 .cse19 .cse7 .cse32 .cse33 .cse34 .cse35) (or (or .cse18 .cse7 .cse9 (not (= 13 |old(~a8~0)|))) .cse33 .cse34 .cse35))) (.cse6 (< 0 |old(~a21~0)|)) (.cse2 (and .cse30 .cse41 .cse13 .cse14 .cse15 .cse40 .cse24)) (.cse27 (or .cse8 .cse31)) (.cse20 (and .cse30 .cse13 .cse14 .cse15 .cse40 .cse24 .cse25)) (.cse21 (< |old(~a8~0)| 15)) (.cse22 (and (or .cse28 .cse1 .cse3 .cse4) (or .cse28 .cse0 .cse3 .cse4 .cse35))) (.cse23 (and (let ((.cse37 (= 1 ~a7~0)) (.cse38 (not (= ~a16~0 6)))) (or (and .cse13 (<= ~a8~0 13) .cse14 .cse37 .cse30 .cse38 (= 1 ~a17~0)) (and .cse13 .cse14 .cse37 .cse30 .cse38 (not .cse39)))) .cse15 .cse40 .cse24 .cse41)) (.cse5 (< 0 |old(~a17~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse7 .cse5 .cse6 .cse2 .cse8) (or .cse9 (and .cse10 .cse11 .cse12 .cse13 .cse14 .cse15) .cse16 .cse17) (or .cse0 (and .cse13 .cse14 .cse10 .cse11 (= ~a17~0 1) .cse12) .cse16 .cse17) (or .cse18 .cse19 .cse20 .cse5 .cse21) (or .cse18 .cse19 .cse9 .cse5 .cse20) (or .cse22 .cse23 .cse6) (or (not (= 0 |old(~a7~0)|)) (and .cse13 .cse14 .cse15 .cse24 .cse25 .cse26 (= ~a16~0 5)) (not (= 15 |old(~a8~0)|)) (not (= 5 |old(~a16~0)|)) .cse16) (or .cse6 .cse27 .cse2) (or .cse28 .cse19 .cse0 (and .cse13 .cse14 .cse29)) (or .cse19 .cse0 .cse9 (and .cse30 .cse15 (<= ~a21~0 |old(~a21~0)|)) .cse5) (or .cse18 .cse19 .cse20 .cse5 .cse31) (or (not (= |old(~a20~0)| 1)) .cse5 (or .cse28 .cse19 .cse0) (and .cse30 .cse15)) (or .cse20 .cse18 .cse19 .cse32 .cse33 .cse34 .cse21 .cse31 .cse35) (or .cse18 .cse20 .cse5 .cse27) (or .cse20 (or .cse28 .cse18 .cse19 .cse32 .cse33 .cse34 .cse35) .cse36 .cse21) (or .cse18 .cse22 .cse23 .cse5)))))) [2018-12-09 19:09:07,152 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-12-09 19:09:07,152 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 19:09:07,152 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 19:09:07,152 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 19:09:07,152 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 19:09:07,152 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-12-09 19:09:07,152 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 19:09:07,152 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-12-09 19:09:07,152 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-12-09 19:09:07,152 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-12-09 19:09:07,152 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-12-09 19:09:07,152 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-12-09 19:09:07,152 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-12-09 19:09:07,152 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-12-09 19:09:07,152 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-12-09 19:09:07,152 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-12-09 19:09:07,152 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-12-09 19:09:07,152 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-12-09 19:09:07,152 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-12-09 19:09:07,152 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-12-09 19:09:07,152 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 19:09:07,152 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 19:09:07,152 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 19:09:07,152 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 19:09:07,152 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 19:09:07,152 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-12-09 19:09:07,153 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 19:09:07,153 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-12-09 19:09:07,153 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-12-09 19:09:07,153 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-12-09 19:09:07,153 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-12-09 19:09:07,153 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-12-09 19:09:07,153 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-12-09 19:09:07,153 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-12-09 19:09:07,153 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-12-09 19:09:07,153 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-12-09 19:09:07,153 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-12-09 19:09:07,153 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-12-09 19:09:07,153 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-12-09 19:09:07,153 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-12-09 19:09:07,153 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-12-09 19:09:07,153 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 19:09:07,153 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 19:09:07,153 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 19:09:07,153 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 19:09:07,153 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 19:09:07,153 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 19:09:07,153 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-12-09 19:09:07,153 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-12-09 19:09:07,153 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-12-09 19:09:07,153 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-12-09 19:09:07,153 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-12-09 19:09:07,154 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-12-09 19:09:07,154 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-12-09 19:09:07,154 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-12-09 19:09:07,154 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-12-09 19:09:07,154 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-12-09 19:09:07,154 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 19:09:07,154 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a7~0 0) (= ~a8~0 15) (= 1 ~a21~0) (= ~a12~0 8) (= ~a20~0 1) (= 1 ~a17~0) (= ~a16~0 5)) [2018-12-09 19:09:07,154 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 19:09:07,154 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 19:09:07,154 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a21~0)|)) (not (= 8 ~a12~0)) (not (= 1 |old(~a17~0)|)) (and (<= ~a8~0 |old(~a8~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (<= |old(~a8~0)| ~a8~0) (= 1 ~a21~0) (= ~a20~0 1) (= ~a16~0 5)) (not (= 1 |old(~a20~0)|)) (not (= 15 |old(~a8~0)|)) (not (= 5 |old(~a16~0)|))) [2018-12-09 19:09:07,154 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-12-09 19:09:07,154 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse8 (= ~a16~0 4))) (let ((.cse20 (not .cse8)) (.cse18 (<= ~a8~0 13)) (.cse15 (= 1 ~a7~0)) (.cse1 (not (= ~a16~0 6))) (.cse0 (= 1 |old(~a20~0)|)) (.cse21 (<= 1 ~a20~0)) (.cse10 (not (= ~a16~0 0))) (.cse13 (not (= ~a7~0 1))) (.cse12 (not (= main_~input~0 0))) (.cse11 (= ~a20~0 1)) (.cse22 (= 1 ~a17~0))) (let ((.cse17 (= |old(~a20~0)| ~a20~0)) (.cse9 (= ~a7~0 |old(~a7~0)|)) (.cse5 (not (= ~a8~0 0))) (.cse6 (= ~a21~0 1)) (.cse7 (or (and .cse12 .cse11 (and .cse8 (= ~a8~0 13)) .cse22) (and .cse10 .cse13 .cse12 .cse11 .cse22))) (.cse16 (<= ~a21~0 0)) (.cse19 (let ((.cse23 (not (= |old(~a7~0)| 1)))) (or (and (and .cse15 .cse23 .cse1 .cse20) .cse0 .cse21) (and .cse18 .cse15 .cse23 .cse1 .cse0 .cse22 .cse21)))) (.cse14 (<= 15 ~a8~0)) (.cse3 (= 1 ~a21~0)) (.cse4 (<= ~a20~0 0)) (.cse2 (<= ~a17~0 0))) (or (not .cse0) (not (= 5 |old(~a16~0)|)) (and .cse1 .cse2 .cse3 .cse4) (and (and .cse5 .cse6 .cse7) .cse8) (and .cse7 (<= ~a8~0 |old(~a8~0)|) .cse9 (<= |old(~a8~0)| ~a8~0) .cse3 (= ~a16~0 5)) (and .cse10 (not .cse11) .cse12 .cse13 .cse14 (= ~a17~0 |old(~a17~0)|) .cse1 .cse3) (and .cse15 .cse16 .cse17 .cse1 .cse2) (not (= 1 |old(~a21~0)|)) (and .cse18 .cse13 .cse8 .cse2) (not (= 8 ~a12~0)) (and .cse13 .cse3 .cse2 .cse4) (and .cse18 .cse13 .cse17 .cse1 .cse2) (and (and .cse19 .cse2) .cse3) (and .cse16 (and .cse15 .cse1 .cse4)) (and .cse13 .cse14 .cse2 .cse3) (and .cse18 .cse9 .cse1) (and .cse18 .cse15 .cse16 .cse2 .cse20 .cse21) (and .cse18 .cse5 .cse6 .cse7) (not (= 0 |old(~a7~0)|)) (and .cse16 .cse19) (and .cse10 .cse12 .cse22 .cse13 .cse14 .cse3 .cse4) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)) (and .cse13 .cse8 .cse2 (= ~a21~0 |old(~a21~0)|)))))) [2018-12-09 19:09:07,154 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-12-09 19:09:07,154 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-12-09 19:09:07,154 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse6 (= ~a16~0 4))) (let ((.cse14 (not .cse6)) (.cse10 (<= ~a8~0 13)) (.cse7 (= 1 ~a7~0)) (.cse2 (not (= ~a16~0 6))) (.cse0 (= 1 |old(~a20~0)|)) (.cse15 (<= 1 ~a20~0)) (.cse17 (not (= ~a16~0 0))) (.cse11 (not (= ~a7~0 1))) (.cse18 (= ~a21~0 1)) (.cse16 (= ~a20~0 1)) (.cse19 (= 1 ~a17~0))) (let ((.cse9 (= |old(~a20~0)| ~a20~0)) (.cse1 (let ((.cse21 (= ~a12~0 8))) (or (and .cse17 .cse11 (not (= ~a8~0 0)) .cse21 .cse18 .cse16 .cse19) (and (and .cse6 (= ~a8~0 13) .cse21 .cse18 .cse16) .cse19)))) (.cse8 (<= ~a21~0 0)) (.cse12 (let ((.cse20 (not (= |old(~a7~0)| 1)))) (or (and (and .cse7 .cse20 .cse2 .cse14) .cse0 .cse15) (and .cse10 .cse7 .cse20 .cse2 .cse0 .cse19 .cse15)))) (.cse3 (<= ~a17~0 0)) (.cse13 (<= 15 ~a8~0)) (.cse4 (= 1 ~a21~0)) (.cse5 (<= ~a20~0 0))) (or (not .cse0) (and (and (<= ~a8~0 |old(~a8~0)|) (and (= ~a7~0 0) .cse1)) (= ~a16~0 |old(~a16~0)|) (<= |old(~a8~0)| ~a8~0)) (not (= 5 |old(~a16~0)|)) (and .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse1) (and .cse7 .cse8 .cse9 .cse2 .cse3) (not (= 1 |old(~a21~0)|)) (and .cse10 .cse11 .cse6 .cse3) (not (= 8 ~a12~0)) (and .cse11 .cse4 .cse3 .cse5) (and .cse10 .cse11 .cse9 .cse2 .cse3) (and .cse10 .cse1) (and (and .cse12 .cse3) .cse4) (and .cse8 (and .cse7 .cse2 .cse5)) (and .cse11 .cse13 .cse3 .cse4) (and .cse10 (= ~a7~0 |old(~a7~0)|) .cse2) (and .cse10 .cse7 .cse8 .cse3 .cse14 .cse15) (not (= 0 |old(~a7~0)|)) (and .cse8 .cse12) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)) (and (and (not .cse16) (and .cse17 .cse11 .cse2 .cse18 .cse19)) .cse13) (and .cse11 .cse6 .cse3 (= ~a21~0 |old(~a21~0)|)) (and .cse17 .cse19 .cse11 .cse13 .cse4 .cse5))))) [2018-12-09 19:09:07,154 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-12-09 19:09:07,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 07:09:07 BoogieIcfgContainer [2018-12-09 19:09:07,167 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 19:09:07,168 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 19:09:07,168 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 19:09:07,168 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 19:09:07,169 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:08:36" (3/4) ... [2018-12-09 19:09:07,172 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 19:09:07,177 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 19:09:07,177 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-09 19:09:07,178 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 19:09:07,187 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 19:09:07,188 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 19:09:07,209 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((!(1 == \old(a20)) || (((a8 <= \old(a8) && a7 == 0 && (((((((!(a16 == 0) && !(a7 == 1)) && !(a8 == 0)) && a12 == 8) && a21 == 1) && a20 == 1) && 1 == a17) || (((((a16 == 4 && a8 == 13) && a12 == 8) && a21 == 1) && a20 == 1) && 1 == a17))) && a16 == \old(a16)) && \old(a8) <= a8)) || !(5 == \old(a16))) || (((!(a16 == 6) && a17 <= 0) && 1 == a21) && a20 <= 0)) || (a16 == 4 && (((((((!(a16 == 0) && !(a7 == 1)) && !(a8 == 0)) && a12 == 8) && a21 == 1) && a20 == 1) && 1 == a17) || (((((a16 == 4 && a8 == 13) && a12 == 8) && a21 == 1) && a20 == 1) && 1 == a17)))) || ((((1 == a7 && a21 <= 0) && \old(a20) == a20) && !(a16 == 6)) && a17 <= 0)) || !(1 == \old(a21))) || (((a8 <= 13 && !(a7 == 1)) && a16 == 4) && a17 <= 0)) || !(8 == a12)) || (((!(a7 == 1) && 1 == a21) && a17 <= 0) && a20 <= 0)) || ((((a8 <= 13 && !(a7 == 1)) && \old(a20) == a20) && !(a16 == 6)) && a17 <= 0)) || (a8 <= 13 && (((((((!(a16 == 0) && !(a7 == 1)) && !(a8 == 0)) && a12 == 8) && a21 == 1) && a20 == 1) && 1 == a17) || (((((a16 == 4 && a8 == 13) && a12 == 8) && a21 == 1) && a20 == 1) && 1 == a17)))) || ((((((((1 == a7 && !(\old(a7) == 1)) && !(a16 == 6)) && !(a16 == 4)) && 1 == \old(a20)) && 1 <= a20) || ((((((a8 <= 13 && 1 == a7) && !(\old(a7) == 1)) && !(a16 == 6)) && 1 == \old(a20)) && 1 == a17) && 1 <= a20)) && a17 <= 0) && 1 == a21)) || (a21 <= 0 && (1 == a7 && !(a16 == 6)) && a20 <= 0)) || (((!(a7 == 1) && 15 <= a8) && a17 <= 0) && 1 == a21)) || ((a8 <= 13 && a7 == \old(a7)) && !(a16 == 6))) || (((((a8 <= 13 && 1 == a7) && a21 <= 0) && a17 <= 0) && !(a16 == 4)) && 1 <= a20)) || !(0 == \old(a7))) || (a21 <= 0 && ((((((1 == a7 && !(\old(a7) == 1)) && !(a16 == 6)) && !(a16 == 4)) && 1 == \old(a20)) && 1 <= a20) || ((((((a8 <= 13 && 1 == a7) && !(\old(a7) == 1)) && !(a16 == 6)) && 1 == \old(a20)) && 1 == a17) && 1 <= a20)))) || !(1 == \old(a17))) || !(15 == \old(a8))) || ((!(a20 == 1) && (((!(a16 == 0) && !(a7 == 1)) && !(a16 == 6)) && a21 == 1) && 1 == a17) && 15 <= a8)) || (((!(a7 == 1) && a16 == 4) && a17 <= 0) && a21 == \old(a21))) || (((((!(a16 == 0) && 1 == a17) && !(a7 == 1)) && 15 <= a8) && 1 == a21) && a20 <= 0) [2018-12-09 19:09:07,254 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_af358784-7aa1-4d8c-8b28-b77b2b48b0ea/bin-2019/utaipan/witness.graphml [2018-12-09 19:09:07,254 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 19:09:07,254 INFO L168 Benchmark]: Toolchain (without parser) took 31565.10 ms. Allocated memory was 1.0 GB in the beginning and 2.7 GB in the end (delta: 1.7 GB). Free memory was 941.6 MB in the beginning and 1.2 GB in the end (delta: -243.7 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-12-09 19:09:07,255 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:09:07,255 INFO L168 Benchmark]: CACSL2BoogieTranslator took 313.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -184.0 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. [2018-12-09 19:09:07,255 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.34 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:09:07,255 INFO L168 Benchmark]: Boogie Preprocessor took 47.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-12-09 19:09:07,255 INFO L168 Benchmark]: RCFGBuilder took 610.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 109.7 MB). Peak memory consumption was 109.7 MB. Max. memory is 11.5 GB. [2018-12-09 19:09:07,255 INFO L168 Benchmark]: TraceAbstraction took 30482.88 ms. Allocated memory was 1.2 GB in the beginning and 2.7 GB in the end (delta: 1.5 GB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -176.4 MB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. [2018-12-09 19:09:07,256 INFO L168 Benchmark]: Witness Printer took 85.86 ms. Allocated memory is still 2.7 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 43.4 kB). Peak memory consumption was 43.4 kB. Max. memory is 11.5 GB. [2018-12-09 19:09:07,256 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 313.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -184.0 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.34 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 610.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 109.7 MB). Peak memory consumption was 109.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 30482.88 ms. Allocated memory was 1.2 GB in the beginning and 2.7 GB in the end (delta: 1.5 GB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -176.4 MB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. * Witness Printer took 85.86 ms. Allocated memory is still 2.7 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 43.4 kB). Peak memory consumption was 43.4 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 446]: 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: 583]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((!(1 == \old(a20)) || (((a8 <= \old(a8) && a7 == 0 && (((((((!(a16 == 0) && !(a7 == 1)) && !(a8 == 0)) && a12 == 8) && a21 == 1) && a20 == 1) && 1 == a17) || (((((a16 == 4 && a8 == 13) && a12 == 8) && a21 == 1) && a20 == 1) && 1 == a17))) && a16 == \old(a16)) && \old(a8) <= a8)) || !(5 == \old(a16))) || (((!(a16 == 6) && a17 <= 0) && 1 == a21) && a20 <= 0)) || (a16 == 4 && (((((((!(a16 == 0) && !(a7 == 1)) && !(a8 == 0)) && a12 == 8) && a21 == 1) && a20 == 1) && 1 == a17) || (((((a16 == 4 && a8 == 13) && a12 == 8) && a21 == 1) && a20 == 1) && 1 == a17)))) || ((((1 == a7 && a21 <= 0) && \old(a20) == a20) && !(a16 == 6)) && a17 <= 0)) || !(1 == \old(a21))) || (((a8 <= 13 && !(a7 == 1)) && a16 == 4) && a17 <= 0)) || !(8 == a12)) || (((!(a7 == 1) && 1 == a21) && a17 <= 0) && a20 <= 0)) || ((((a8 <= 13 && !(a7 == 1)) && \old(a20) == a20) && !(a16 == 6)) && a17 <= 0)) || (a8 <= 13 && (((((((!(a16 == 0) && !(a7 == 1)) && !(a8 == 0)) && a12 == 8) && a21 == 1) && a20 == 1) && 1 == a17) || (((((a16 == 4 && a8 == 13) && a12 == 8) && a21 == 1) && a20 == 1) && 1 == a17)))) || ((((((((1 == a7 && !(\old(a7) == 1)) && !(a16 == 6)) && !(a16 == 4)) && 1 == \old(a20)) && 1 <= a20) || ((((((a8 <= 13 && 1 == a7) && !(\old(a7) == 1)) && !(a16 == 6)) && 1 == \old(a20)) && 1 == a17) && 1 <= a20)) && a17 <= 0) && 1 == a21)) || (a21 <= 0 && (1 == a7 && !(a16 == 6)) && a20 <= 0)) || (((!(a7 == 1) && 15 <= a8) && a17 <= 0) && 1 == a21)) || ((a8 <= 13 && a7 == \old(a7)) && !(a16 == 6))) || (((((a8 <= 13 && 1 == a7) && a21 <= 0) && a17 <= 0) && !(a16 == 4)) && 1 <= a20)) || !(0 == \old(a7))) || (a21 <= 0 && ((((((1 == a7 && !(\old(a7) == 1)) && !(a16 == 6)) && !(a16 == 4)) && 1 == \old(a20)) && 1 <= a20) || ((((((a8 <= 13 && 1 == a7) && !(\old(a7) == 1)) && !(a16 == 6)) && 1 == \old(a20)) && 1 == a17) && 1 <= a20)))) || !(1 == \old(a17))) || !(15 == \old(a8))) || ((!(a20 == 1) && (((!(a16 == 0) && !(a7 == 1)) && !(a16 == 6)) && a21 == 1) && 1 == a17) && 15 <= a8)) || (((!(a7 == 1) && a16 == 4) && a17 <= 0) && a21 == \old(a21))) || (((((!(a16 == 0) && 1 == a17) && !(a7 == 1)) && 15 <= a8) && 1 == a21) && a20 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 30.4s OverallTime, 14 OverallIterations, 8 TraceHistogramMax, 18.1s AutomataDifference, 0.0s DeadEndRemovalTime, 6.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 713 SDtfs, 13473 SDslu, 1181 SDs, 0 SdLazy, 16124 SolverSat, 2719 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.0s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 3194 GetRequests, 2948 SyntacticMatches, 9 SemanticMatches, 237 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1404 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12240occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.1s AbstIntTime, 10 AbstIntIterations, 5 AbstIntStrong, 0.9962243024517965 AbsIntWeakeningRatio, 0.2634207240948814 AbsIntAvgWeakeningVarsNumRemoved, 27.87016229712859 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 14 MinimizatonAttempts, 4081 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 614 PreInvPairs, 1006 NumberOfFragments, 2066 HoareAnnotationTreeSize, 614 FomulaSimplifications, 113828 FormulaSimplificationTreeSizeReduction, 1.9s HoareSimplificationTime, 7 FomulaSimplificationsInter, 44852 FormulaSimplificationTreeSizeReductionInter, 4.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 3344 NumberOfCodeBlocks, 3344 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 4378 ConstructedInterpolants, 0 QuantifiedInterpolants, 1550518 SizeOfPredicates, 6 NumberOfNonLiveVariables, 3264 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 24 InterpolantComputations, 4 PerfectInterpolantSequences, 4283/4715 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...