./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label54.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_773f5116-dc6a-45c6-a478-697d8016fcc9/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_773f5116-dc6a-45c6-a478-697d8016fcc9/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_773f5116-dc6a-45c6-a478-697d8016fcc9/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_773f5116-dc6a-45c6-a478-697d8016fcc9/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label54.c -s /tmp/vcloud-vcloud-master/worker/working_dir_773f5116-dc6a-45c6-a478-697d8016fcc9/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_773f5116-dc6a-45c6-a478-697d8016fcc9/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7013b5440d15c52781747fe18e114861ef321ee3 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:56:00,203 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:56:00,205 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:56:00,216 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:56:00,217 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:56:00,217 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:56:00,219 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:56:00,220 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:56:00,221 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:56:00,222 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:56:00,224 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:56:00,225 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:56:00,225 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:56:00,226 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:56:00,227 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:56:00,227 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:56:00,228 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:56:00,229 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:56:00,230 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:56:00,237 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:56:00,238 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:56:00,239 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:56:00,240 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:56:00,241 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:56:00,242 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:56:00,245 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:56:00,246 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:56:00,246 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:56:00,247 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:56:00,247 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:56:00,247 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:56:00,248 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:56:00,248 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:56:00,249 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:56:00,250 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:56:00,250 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:56:00,250 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:56:00,251 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:56:00,252 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:56:00,252 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:56:00,253 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:56:00,253 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_773f5116-dc6a-45c6-a478-697d8016fcc9/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 08:56:00,277 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:56:00,277 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:56:00,278 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:56:00,278 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:56:00,278 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:56:00,278 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:56:00,279 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:56:00,279 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:56:00,279 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:56:00,279 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:56:00,279 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:56:00,279 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:56:00,280 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:56:00,280 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:56:00,280 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:56:00,280 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:56:00,280 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:56:00,280 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:56:00,280 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:56:00,281 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:56:00,281 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:56:00,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:56:00,281 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:56:00,281 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:56:00,281 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:56:00,282 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:56:00,282 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:56:00,282 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:56:00,282 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_773f5116-dc6a-45c6-a478-697d8016fcc9/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7013b5440d15c52781747fe18e114861ef321ee3 [2019-10-22 08:56:00,316 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:56:00,330 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:56:00,333 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:56:00,334 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:56:00,335 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:56:00,335 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_773f5116-dc6a-45c6-a478-697d8016fcc9/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label54.c [2019-10-22 08:56:00,388 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_773f5116-dc6a-45c6-a478-697d8016fcc9/bin/uautomizer/data/1c1fbd325/68ac115700df43ee849d0ee3a633deb4/FLAG5f6ebaafc [2019-10-22 08:56:00,831 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:56:00,832 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_773f5116-dc6a-45c6-a478-697d8016fcc9/sv-benchmarks/c/eca-rers2012/Problem02_label54.c [2019-10-22 08:56:00,840 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_773f5116-dc6a-45c6-a478-697d8016fcc9/bin/uautomizer/data/1c1fbd325/68ac115700df43ee849d0ee3a633deb4/FLAG5f6ebaafc [2019-10-22 08:56:01,146 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_773f5116-dc6a-45c6-a478-697d8016fcc9/bin/uautomizer/data/1c1fbd325/68ac115700df43ee849d0ee3a633deb4 [2019-10-22 08:56:01,149 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:56:01,150 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:56:01,152 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:56:01,153 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:56:01,158 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:56:01,159 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:56:01" (1/1) ... [2019-10-22 08:56:01,161 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7587b7dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:01, skipping insertion in model container [2019-10-22 08:56:01,161 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:56:01" (1/1) ... [2019-10-22 08:56:01,168 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:56:01,216 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:56:01,613 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:56:01,622 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:56:01,732 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:56:01,747 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:56:01,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:01 WrapperNode [2019-10-22 08:56:01,748 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:56:01,748 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:56:01,749 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:56:01,749 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:56:01,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:01" (1/1) ... [2019-10-22 08:56:01,776 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:01" (1/1) ... [2019-10-22 08:56:01,829 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:56:01,830 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:56:01,830 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:56:01,830 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:56:01,841 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:01" (1/1) ... [2019-10-22 08:56:01,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:01" (1/1) ... [2019-10-22 08:56:01,846 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:01" (1/1) ... [2019-10-22 08:56:01,847 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:01" (1/1) ... [2019-10-22 08:56:01,871 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:01" (1/1) ... [2019-10-22 08:56:01,881 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:01" (1/1) ... [2019-10-22 08:56:01,886 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:01" (1/1) ... [2019-10-22 08:56:01,892 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:56:01,893 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:56:01,893 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:56:01,893 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:56:01,894 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_773f5116-dc6a-45c6-a478-697d8016fcc9/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:56:01,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:56:01,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:56:03,027 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:56:03,027 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 08:56:03,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:03 BoogieIcfgContainer [2019-10-22 08:56:03,029 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:56:03,030 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:56:03,030 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:56:03,033 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:56:03,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:56:01" (1/3) ... [2019-10-22 08:56:03,035 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1accd261 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:56:03, skipping insertion in model container [2019-10-22 08:56:03,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:01" (2/3) ... [2019-10-22 08:56:03,035 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1accd261 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:56:03, skipping insertion in model container [2019-10-22 08:56:03,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:03" (3/3) ... [2019-10-22 08:56:03,037 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label54.c [2019-10-22 08:56:03,047 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:56:03,055 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 08:56:03,066 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 08:56:03,090 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:56:03,091 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:56:03,091 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:56:03,091 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:56:03,091 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:56:03,091 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:56:03,091 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:56:03,091 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:56:03,114 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-10-22 08:56:03,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2019-10-22 08:56:03,126 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:03,128 INFO L380 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, 1, 1, 1, 1, 1] [2019-10-22 08:56:03,130 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:03,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:03,136 INFO L82 PathProgramCache]: Analyzing trace with hash -1695579141, now seen corresponding path program 1 times [2019-10-22 08:56:03,149 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:03,150 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745829200] [2019-10-22 08:56:03,150 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:03,150 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:03,150 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:03,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:03,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:03,525 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745829200] [2019-10-22 08:56:03,526 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:03,527 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:56:03,527 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392474093] [2019-10-22 08:56:03,532 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:56:03,534 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:03,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:56:03,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:56:03,550 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 3 states. [2019-10-22 08:56:04,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:04,542 INFO L93 Difference]: Finished difference Result 601 states and 1035 transitions. [2019-10-22 08:56:04,543 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:56:04,544 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 101 [2019-10-22 08:56:04,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:04,559 INFO L225 Difference]: With dead ends: 601 [2019-10-22 08:56:04,559 INFO L226 Difference]: Without dead ends: 310 [2019-10-22 08:56:04,563 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:56:04,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2019-10-22 08:56:04,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 310. [2019-10-22 08:56:04,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2019-10-22 08:56:04,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 444 transitions. [2019-10-22 08:56:04,619 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 444 transitions. Word has length 101 [2019-10-22 08:56:04,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:04,620 INFO L462 AbstractCegarLoop]: Abstraction has 310 states and 444 transitions. [2019-10-22 08:56:04,620 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:56:04,620 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 444 transitions. [2019-10-22 08:56:04,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2019-10-22 08:56:04,624 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:04,624 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:04,624 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:04,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:04,625 INFO L82 PathProgramCache]: Analyzing trace with hash -292589926, now seen corresponding path program 1 times [2019-10-22 08:56:04,625 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:04,626 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027078377] [2019-10-22 08:56:04,626 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:04,626 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:04,626 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:04,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:04,778 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:04,778 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027078377] [2019-10-22 08:56:04,778 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:04,778 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:56:04,783 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654536765] [2019-10-22 08:56:04,785 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:56:04,785 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:04,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:56:04,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:56:04,785 INFO L87 Difference]: Start difference. First operand 310 states and 444 transitions. Second operand 4 states. [2019-10-22 08:56:05,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:05,535 INFO L93 Difference]: Finished difference Result 1200 states and 1733 transitions. [2019-10-22 08:56:05,536 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:56:05,536 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 119 [2019-10-22 08:56:05,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:05,540 INFO L225 Difference]: With dead ends: 1200 [2019-10-22 08:56:05,540 INFO L226 Difference]: Without dead ends: 892 [2019-10-22 08:56:05,542 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:56:05,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2019-10-22 08:56:05,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 593. [2019-10-22 08:56:05,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 593 states. [2019-10-22 08:56:05,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 827 transitions. [2019-10-22 08:56:05,569 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 827 transitions. Word has length 119 [2019-10-22 08:56:05,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:05,569 INFO L462 AbstractCegarLoop]: Abstraction has 593 states and 827 transitions. [2019-10-22 08:56:05,569 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:56:05,569 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 827 transitions. [2019-10-22 08:56:05,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2019-10-22 08:56:05,573 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:05,573 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:05,574 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:05,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:05,574 INFO L82 PathProgramCache]: Analyzing trace with hash 566132794, now seen corresponding path program 1 times [2019-10-22 08:56:05,574 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:05,575 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724337563] [2019-10-22 08:56:05,575 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:05,575 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:05,575 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:05,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:05,669 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:05,672 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724337563] [2019-10-22 08:56:05,672 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:05,673 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:56:05,673 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503075158] [2019-10-22 08:56:05,673 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:56:05,675 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:05,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:56:05,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:56:05,676 INFO L87 Difference]: Start difference. First operand 593 states and 827 transitions. Second operand 4 states. [2019-10-22 08:56:06,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:06,517 INFO L93 Difference]: Finished difference Result 2316 states and 3244 transitions. [2019-10-22 08:56:06,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:56:06,518 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 120 [2019-10-22 08:56:06,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:06,525 INFO L225 Difference]: With dead ends: 2316 [2019-10-22 08:56:06,526 INFO L226 Difference]: Without dead ends: 1725 [2019-10-22 08:56:06,528 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:56:06,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1725 states. [2019-10-22 08:56:06,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1725 to 1151. [2019-10-22 08:56:06,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1151 states. [2019-10-22 08:56:06,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 1151 states and 1548 transitions. [2019-10-22 08:56:06,581 INFO L78 Accepts]: Start accepts. Automaton has 1151 states and 1548 transitions. Word has length 120 [2019-10-22 08:56:06,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:06,583 INFO L462 AbstractCegarLoop]: Abstraction has 1151 states and 1548 transitions. [2019-10-22 08:56:06,583 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:56:06,583 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 1548 transitions. [2019-10-22 08:56:06,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2019-10-22 08:56:06,586 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:06,590 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:06,592 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:06,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:06,593 INFO L82 PathProgramCache]: Analyzing trace with hash -157142321, now seen corresponding path program 1 times [2019-10-22 08:56:06,593 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:06,593 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356099808] [2019-10-22 08:56:06,593 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:06,593 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:06,594 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:06,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:06,689 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:06,690 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356099808] [2019-10-22 08:56:06,690 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:06,690 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:56:06,690 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932811133] [2019-10-22 08:56:06,691 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:56:06,691 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:06,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:56:06,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:56:06,692 INFO L87 Difference]: Start difference. First operand 1151 states and 1548 transitions. Second operand 4 states. [2019-10-22 08:56:07,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:07,646 INFO L93 Difference]: Finished difference Result 3563 states and 4698 transitions. [2019-10-22 08:56:07,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:56:07,647 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 123 [2019-10-22 08:56:07,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:07,655 INFO L225 Difference]: With dead ends: 3563 [2019-10-22 08:56:07,655 INFO L226 Difference]: Without dead ends: 2414 [2019-10-22 08:56:07,657 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:56:07,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2414 states. [2019-10-22 08:56:07,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2414 to 2131. [2019-10-22 08:56:07,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2131 states. [2019-10-22 08:56:07,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2131 states to 2131 states and 2618 transitions. [2019-10-22 08:56:07,705 INFO L78 Accepts]: Start accepts. Automaton has 2131 states and 2618 transitions. Word has length 123 [2019-10-22 08:56:07,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:07,705 INFO L462 AbstractCegarLoop]: Abstraction has 2131 states and 2618 transitions. [2019-10-22 08:56:07,705 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:56:07,705 INFO L276 IsEmpty]: Start isEmpty. Operand 2131 states and 2618 transitions. [2019-10-22 08:56:07,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-10-22 08:56:07,709 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:07,709 INFO L380 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:07,709 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:07,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:07,710 INFO L82 PathProgramCache]: Analyzing trace with hash -920596231, now seen corresponding path program 1 times [2019-10-22 08:56:07,710 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:07,711 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252887753] [2019-10-22 08:56:07,711 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:07,711 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:07,711 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:07,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:07,845 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 08:56:07,846 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252887753] [2019-10-22 08:56:07,846 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:07,846 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:56:07,847 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228257017] [2019-10-22 08:56:07,847 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:56:07,847 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:07,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:56:07,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:56:07,848 INFO L87 Difference]: Start difference. First operand 2131 states and 2618 transitions. Second operand 4 states. [2019-10-22 08:56:08,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:08,700 INFO L93 Difference]: Finished difference Result 5105 states and 6307 transitions. [2019-10-22 08:56:08,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:56:08,701 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 128 [2019-10-22 08:56:08,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:08,709 INFO L225 Difference]: With dead ends: 5105 [2019-10-22 08:56:08,709 INFO L226 Difference]: Without dead ends: 2414 [2019-10-22 08:56:08,712 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:56:08,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2414 states. [2019-10-22 08:56:08,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2414 to 2410. [2019-10-22 08:56:08,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2410 states. [2019-10-22 08:56:08,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2410 states to 2410 states and 2692 transitions. [2019-10-22 08:56:08,753 INFO L78 Accepts]: Start accepts. Automaton has 2410 states and 2692 transitions. Word has length 128 [2019-10-22 08:56:08,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:08,754 INFO L462 AbstractCegarLoop]: Abstraction has 2410 states and 2692 transitions. [2019-10-22 08:56:08,754 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:56:08,754 INFO L276 IsEmpty]: Start isEmpty. Operand 2410 states and 2692 transitions. [2019-10-22 08:56:08,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-10-22 08:56:08,757 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:08,757 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:08,758 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:08,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:08,758 INFO L82 PathProgramCache]: Analyzing trace with hash -91008860, now seen corresponding path program 1 times [2019-10-22 08:56:08,759 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:08,759 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613308380] [2019-10-22 08:56:08,759 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:08,759 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:08,759 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:08,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:08,812 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-10-22 08:56:08,812 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613308380] [2019-10-22 08:56:08,813 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:08,814 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:56:08,814 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128631337] [2019-10-22 08:56:08,814 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:56:08,815 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:08,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:56:08,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:56:08,816 INFO L87 Difference]: Start difference. First operand 2410 states and 2692 transitions. Second operand 4 states. [2019-10-22 08:56:09,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:09,305 INFO L93 Difference]: Finished difference Result 4526 states and 5047 transitions. [2019-10-22 08:56:09,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:56:09,311 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 140 [2019-10-22 08:56:09,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:09,321 INFO L225 Difference]: With dead ends: 4526 [2019-10-22 08:56:09,322 INFO L226 Difference]: Without dead ends: 2117 [2019-10-22 08:56:09,325 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:56:09,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2117 states. [2019-10-22 08:56:09,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2117 to 1557. [2019-10-22 08:56:09,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1557 states. [2019-10-22 08:56:09,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1557 states to 1557 states and 1702 transitions. [2019-10-22 08:56:09,372 INFO L78 Accepts]: Start accepts. Automaton has 1557 states and 1702 transitions. Word has length 140 [2019-10-22 08:56:09,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:09,373 INFO L462 AbstractCegarLoop]: Abstraction has 1557 states and 1702 transitions. [2019-10-22 08:56:09,373 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:56:09,373 INFO L276 IsEmpty]: Start isEmpty. Operand 1557 states and 1702 transitions. [2019-10-22 08:56:09,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2019-10-22 08:56:09,377 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:09,377 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-22 08:56:09,378 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:09,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:09,385 INFO L82 PathProgramCache]: Analyzing trace with hash -1260894349, now seen corresponding path program 1 times [2019-10-22 08:56:09,385 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:09,386 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739796487] [2019-10-22 08:56:09,386 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:09,386 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:09,386 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:09,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:09,762 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:09,763 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739796487] [2019-10-22 08:56:09,763 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:09,763 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 08:56:09,763 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007060596] [2019-10-22 08:56:09,764 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-22 08:56:09,764 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:09,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-22 08:56:09,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-10-22 08:56:09,764 INFO L87 Difference]: Start difference. First operand 1557 states and 1702 transitions. Second operand 7 states. [2019-10-22 08:56:10,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:10,573 INFO L93 Difference]: Finished difference Result 3266 states and 3576 transitions. [2019-10-22 08:56:10,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 08:56:10,574 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 169 [2019-10-22 08:56:10,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:10,577 INFO L225 Difference]: With dead ends: 3266 [2019-10-22 08:56:10,577 INFO L226 Difference]: Without dead ends: 1571 [2019-10-22 08:56:10,583 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:56:10,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1571 states. [2019-10-22 08:56:10,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1571 to 1417. [2019-10-22 08:56:10,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1417 states. [2019-10-22 08:56:10,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1417 states to 1417 states and 1553 transitions. [2019-10-22 08:56:10,611 INFO L78 Accepts]: Start accepts. Automaton has 1417 states and 1553 transitions. Word has length 169 [2019-10-22 08:56:10,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:10,612 INFO L462 AbstractCegarLoop]: Abstraction has 1417 states and 1553 transitions. [2019-10-22 08:56:10,612 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-22 08:56:10,612 INFO L276 IsEmpty]: Start isEmpty. Operand 1417 states and 1553 transitions. [2019-10-22 08:56:10,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-10-22 08:56:10,614 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:10,614 INFO L380 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:10,615 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:10,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:10,615 INFO L82 PathProgramCache]: Analyzing trace with hash 992818194, now seen corresponding path program 1 times [2019-10-22 08:56:10,615 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:10,615 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90184333] [2019-10-22 08:56:10,615 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:10,615 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:10,615 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:10,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:10,721 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:10,721 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90184333] [2019-10-22 08:56:10,722 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:10,722 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:56:10,722 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215497200] [2019-10-22 08:56:10,722 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:56:10,722 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:10,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:56:10,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:56:10,723 INFO L87 Difference]: Start difference. First operand 1417 states and 1553 transitions. Second operand 4 states. [2019-10-22 08:56:11,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:11,223 INFO L93 Difference]: Finished difference Result 2691 states and 2953 transitions. [2019-10-22 08:56:11,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:56:11,224 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 178 [2019-10-22 08:56:11,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:11,227 INFO L225 Difference]: With dead ends: 2691 [2019-10-22 08:56:11,227 INFO L226 Difference]: Without dead ends: 1136 [2019-10-22 08:56:11,229 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:56:11,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1136 states. [2019-10-22 08:56:11,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1136 to 1135. [2019-10-22 08:56:11,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1135 states. [2019-10-22 08:56:11,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 1135 states and 1216 transitions. [2019-10-22 08:56:11,248 INFO L78 Accepts]: Start accepts. Automaton has 1135 states and 1216 transitions. Word has length 178 [2019-10-22 08:56:11,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:11,248 INFO L462 AbstractCegarLoop]: Abstraction has 1135 states and 1216 transitions. [2019-10-22 08:56:11,248 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:56:11,248 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 1216 transitions. [2019-10-22 08:56:11,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-10-22 08:56:11,252 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:11,252 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-22 08:56:11,252 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:11,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:11,252 INFO L82 PathProgramCache]: Analyzing trace with hash -751837008, now seen corresponding path program 1 times [2019-10-22 08:56:11,252 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:11,252 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148331088] [2019-10-22 08:56:11,253 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:11,253 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:11,253 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:11,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:11,390 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-10-22 08:56:11,390 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148331088] [2019-10-22 08:56:11,390 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:11,390 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:56:11,391 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350631237] [2019-10-22 08:56:11,391 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:56:11,391 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:11,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:56:11,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:56:11,392 INFO L87 Difference]: Start difference. First operand 1135 states and 1216 transitions. Second operand 3 states. [2019-10-22 08:56:11,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:11,651 INFO L93 Difference]: Finished difference Result 2268 states and 2425 transitions. [2019-10-22 08:56:11,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:56:11,651 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 199 [2019-10-22 08:56:11,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:11,652 INFO L225 Difference]: With dead ends: 2268 [2019-10-22 08:56:11,652 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 08:56:11,653 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:56:11,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 08:56:11,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 08:56:11,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 08:56:11,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:56:11,654 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 199 [2019-10-22 08:56:11,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:11,654 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:56:11,654 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:56:11,654 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:56:11,654 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 08:56:11,658 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 08:56:11,946 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 33 [2019-10-22 08:56:12,151 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 33 [2019-10-22 08:56:12,153 INFO L443 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:12,154 INFO L443 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:12,154 INFO L443 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:12,154 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-10-22 08:56:12,154 INFO L443 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2019-10-22 08:56:12,154 INFO L443 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2019-10-22 08:56:12,154 INFO L443 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2019-10-22 08:56:12,154 INFO L443 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-10-22 08:56:12,154 INFO L443 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-10-22 08:56:12,154 INFO L443 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-10-22 08:56:12,154 INFO L443 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:12,154 INFO L443 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:12,154 INFO L443 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:12,155 INFO L443 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-10-22 08:56:12,155 INFO L443 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2019-10-22 08:56:12,155 INFO L443 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2019-10-22 08:56:12,155 INFO L443 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2019-10-22 08:56:12,155 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-10-22 08:56:12,155 INFO L443 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-10-22 08:56:12,155 INFO L443 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-10-22 08:56:12,155 INFO L443 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:12,155 INFO L443 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:12,155 INFO L443 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:12,155 INFO L443 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-10-22 08:56:12,155 INFO L443 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2019-10-22 08:56:12,155 INFO L443 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2019-10-22 08:56:12,156 INFO L443 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2019-10-22 08:56:12,156 INFO L443 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-10-22 08:56:12,156 INFO L443 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:12,156 INFO L443 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:12,156 INFO L443 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:12,156 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-10-22 08:56:12,156 INFO L443 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-10-22 08:56:12,156 INFO L443 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2019-10-22 08:56:12,156 INFO L443 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2019-10-22 08:56:12,156 INFO L443 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2019-10-22 08:56:12,156 INFO L443 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-10-22 08:56:12,156 INFO L443 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-10-22 08:56:12,156 INFO L443 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-10-22 08:56:12,157 INFO L443 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:12,157 INFO L443 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:12,157 INFO L443 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:12,157 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-10-22 08:56:12,157 INFO L443 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2019-10-22 08:56:12,157 INFO L443 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2019-10-22 08:56:12,157 INFO L443 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2019-10-22 08:56:12,157 INFO L443 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-10-22 08:56:12,157 INFO L443 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-10-22 08:56:12,157 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-10-22 08:56:12,157 INFO L443 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-10-22 08:56:12,157 INFO L443 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:12,157 INFO L443 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:12,158 INFO L443 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:12,158 INFO L443 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-10-22 08:56:12,158 INFO L443 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-10-22 08:56:12,158 INFO L443 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-10-22 08:56:12,158 INFO L443 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-10-22 08:56:12,158 INFO L443 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2019-10-22 08:56:12,158 INFO L443 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2019-10-22 08:56:12,158 INFO L443 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2019-10-22 08:56:12,158 INFO L443 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-10-22 08:56:12,158 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-10-22 08:56:12,161 INFO L443 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:12,161 INFO L443 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:12,161 INFO L443 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:12,161 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-10-22 08:56:12,161 INFO L443 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2019-10-22 08:56:12,161 INFO L443 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2019-10-22 08:56:12,161 INFO L443 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2019-10-22 08:56:12,161 INFO L443 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-10-22 08:56:12,161 INFO L443 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-10-22 08:56:12,161 INFO L443 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:12,161 INFO L443 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:12,162 INFO L443 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:12,162 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-10-22 08:56:12,162 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-10-22 08:56:12,162 INFO L443 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2019-10-22 08:56:12,162 INFO L443 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2019-10-22 08:56:12,162 INFO L443 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2019-10-22 08:56:12,162 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 08:56:12,162 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 475) no Hoare annotation was computed. [2019-10-22 08:56:12,162 INFO L443 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-10-22 08:56:12,162 INFO L443 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-10-22 08:56:12,162 INFO L443 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-10-22 08:56:12,162 INFO L443 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:12,163 INFO L443 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:12,163 INFO L443 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:12,163 INFO L443 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2019-10-22 08:56:12,163 INFO L443 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2019-10-22 08:56:12,163 INFO L443 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-10-22 08:56:12,163 INFO L443 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-10-22 08:56:12,163 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-10-22 08:56:12,163 INFO L443 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:12,163 INFO L443 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:12,163 INFO L443 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:12,163 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-10-22 08:56:12,163 INFO L443 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2019-10-22 08:56:12,163 INFO L443 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2019-10-22 08:56:12,164 INFO L443 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2019-10-22 08:56:12,164 INFO L443 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-10-22 08:56:12,164 INFO L443 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-10-22 08:56:12,164 INFO L443 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-10-22 08:56:12,164 INFO L443 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-10-22 08:56:12,164 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-10-22 08:56:12,164 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-10-22 08:56:12,164 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 08:56:12,164 INFO L443 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-10-22 08:56:12,164 INFO L443 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:12,164 INFO L443 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:12,164 INFO L443 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-10-22 08:56:12,164 INFO L443 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2019-10-22 08:56:12,165 INFO L443 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2019-10-22 08:56:12,165 INFO L443 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2019-10-22 08:56:12,165 INFO L443 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-10-22 08:56:12,165 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-10-22 08:56:12,165 INFO L443 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-10-22 08:56:12,165 INFO L443 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-10-22 08:56:12,165 INFO L443 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-10-22 08:56:12,166 INFO L439 ceAbstractionStarter]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse9 (= ~a28~0 9)) (.cse3 (= ~a25~0 1)) (.cse6 (= 1 ~a11~0))) (let ((.cse4 (= 10 ~a28~0)) (.cse7 (<= ~a17~0 8)) (.cse1 (= ~a19~0 1)) (.cse0 (not .cse6)) (.cse2 (= ~a17~0 8)) (.cse5 (not .cse3)) (.cse10 (not .cse9)) (.cse8 (not (= ~a28~0 11)))) (or (and (and .cse0 .cse1) .cse2 .cse3) (and .cse1 .cse4) (and .cse5 .cse6 .cse4 .cse7) (and (and .cse1 .cse7 .cse8) .cse3) (and .cse9 .cse3 .cse7) (and .cse9 .cse2 .cse1) (and .cse2 .cse10 .cse0 .cse8) (and .cse2 .cse5 .cse10 .cse8)))) [2019-10-22 08:56:12,166 INFO L443 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:12,166 INFO L443 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:12,166 INFO L443 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-10-22 08:56:12,166 INFO L443 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2019-10-22 08:56:12,166 INFO L443 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2019-10-22 08:56:12,166 INFO L443 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-10-22 08:56:12,166 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-10-22 08:56:12,166 INFO L443 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-10-22 08:56:12,169 INFO L446 ceAbstractionStarter]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-10-22 08:56:12,169 INFO L443 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:12,169 INFO L443 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:12,170 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-10-22 08:56:12,170 INFO L443 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2019-10-22 08:56:12,170 INFO L443 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2019-10-22 08:56:12,170 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-10-22 08:56:12,170 INFO L443 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-10-22 08:56:12,170 INFO L443 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-10-22 08:56:12,170 INFO L443 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-10-22 08:56:12,170 INFO L443 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-10-22 08:56:12,170 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-10-22 08:56:12,170 INFO L443 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:12,170 INFO L443 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:12,170 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-10-22 08:56:12,170 INFO L443 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-10-22 08:56:12,171 INFO L443 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2019-10-22 08:56:12,171 INFO L443 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2019-10-22 08:56:12,171 INFO L443 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-10-22 08:56:12,171 INFO L443 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-10-22 08:56:12,171 INFO L439 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse9 (= ~a28~0 9)) (.cse3 (= ~a25~0 1)) (.cse6 (= 1 ~a11~0))) (let ((.cse4 (= 10 ~a28~0)) (.cse7 (<= ~a17~0 8)) (.cse1 (= ~a19~0 1)) (.cse0 (not .cse6)) (.cse2 (= ~a17~0 8)) (.cse5 (not .cse3)) (.cse10 (not .cse9)) (.cse8 (not (= ~a28~0 11)))) (or (and (and .cse0 .cse1) .cse2 .cse3) (and .cse1 .cse4) (and .cse5 .cse6 .cse4 .cse7) (and (and .cse1 .cse7 .cse8) .cse3) (and .cse9 .cse3 .cse7) (and .cse9 .cse2 .cse1) (and .cse2 .cse10 .cse0 .cse8) (and .cse2 .cse5 .cse10 .cse8)))) [2019-10-22 08:56:12,171 INFO L443 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:12,171 INFO L443 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:12,171 INFO L443 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-10-22 08:56:12,171 INFO L443 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2019-10-22 08:56:12,171 INFO L443 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2019-10-22 08:56:12,171 INFO L443 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-10-22 08:56:12,172 INFO L443 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-10-22 08:56:12,172 INFO L443 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:12,172 INFO L443 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:12,172 INFO L443 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2019-10-22 08:56:12,172 INFO L443 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-10-22 08:56:12,172 INFO L443 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-10-22 08:56:12,172 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-10-22 08:56:12,172 INFO L443 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-10-22 08:56:12,172 INFO L443 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-10-22 08:56:12,172 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-10-22 08:56:12,172 INFO L443 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-10-22 08:56:12,172 INFO L443 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-10-22 08:56:12,172 INFO L443 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:12,172 INFO L443 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:12,173 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-10-22 08:56:12,173 INFO L443 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:12,173 INFO L443 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2019-10-22 08:56:12,173 INFO L443 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-10-22 08:56:12,173 INFO L443 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2019-10-22 08:56:12,173 INFO L443 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-10-22 08:56:12,173 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-10-22 08:56:12,173 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 08:56:12,173 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-10-22 08:56:12,173 INFO L443 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:12,173 INFO L443 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:12,173 INFO L443 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:12,173 INFO L443 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2019-10-22 08:56:12,174 INFO L443 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2019-10-22 08:56:12,174 INFO L443 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2019-10-22 08:56:12,174 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-10-22 08:56:12,174 INFO L443 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-10-22 08:56:12,174 INFO L443 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:12,174 INFO L443 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:12,174 INFO L443 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:12,174 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-10-22 08:56:12,174 INFO L443 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2019-10-22 08:56:12,174 INFO L443 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2019-10-22 08:56:12,178 INFO L443 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2019-10-22 08:56:12,178 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-10-22 08:56:12,178 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-10-22 08:56:12,178 INFO L443 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:12,178 INFO L443 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:12,178 INFO L443 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:12,178 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-10-22 08:56:12,178 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-10-22 08:56:12,178 INFO L443 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-10-22 08:56:12,178 INFO L443 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2019-10-22 08:56:12,179 INFO L443 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2019-10-22 08:56:12,179 INFO L443 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2019-10-22 08:56:12,179 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 08:56:12,179 INFO L443 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-10-22 08:56:12,179 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-10-22 08:56:12,179 INFO L443 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:12,179 INFO L443 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:12,179 INFO L443 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:12,179 INFO L443 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-10-22 08:56:12,179 INFO L443 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2019-10-22 08:56:12,179 INFO L443 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2019-10-22 08:56:12,179 INFO L443 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2019-10-22 08:56:12,179 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-10-22 08:56:12,179 INFO L443 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:12,180 INFO L443 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:12,180 INFO L443 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:12,180 INFO L443 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-10-22 08:56:12,180 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-10-22 08:56:12,180 INFO L443 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-10-22 08:56:12,180 INFO L443 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2019-10-22 08:56:12,180 INFO L443 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-10-22 08:56:12,180 INFO L443 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2019-10-22 08:56:12,180 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-10-22 08:56:12,180 INFO L443 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-10-22 08:56:12,180 INFO L443 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-10-22 08:56:12,180 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-10-22 08:56:12,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:56:12 BoogieIcfgContainer [2019-10-22 08:56:12,210 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:56:12,210 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:56:12,210 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:56:12,210 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:56:12,211 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:03" (3/4) ... [2019-10-22 08:56:12,214 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 08:56:12,231 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 08:56:12,232 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 08:56:12,360 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_773f5116-dc6a-45c6-a478-697d8016fcc9/bin/uautomizer/witness.graphml [2019-10-22 08:56:12,363 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:56:12,365 INFO L168 Benchmark]: Toolchain (without parser) took 11214.82 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 444.6 MB). Free memory was 944.5 MB in the beginning and 1.2 GB in the end (delta: -244.5 MB). Peak memory consumption was 200.1 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:12,365 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:56:12,365 INFO L168 Benchmark]: CACSL2BoogieTranslator took 595.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -179.2 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:12,366 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.03 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:12,366 INFO L168 Benchmark]: Boogie Preprocessor took 62.71 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:12,366 INFO L168 Benchmark]: RCFGBuilder took 1136.21 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: 109.1 MB). Peak memory consumption was 109.1 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:12,367 INFO L168 Benchmark]: TraceAbstraction took 9179.83 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 289.9 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -204.0 MB). Peak memory consumption was 85.9 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:12,367 INFO L168 Benchmark]: Witness Printer took 153.59 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:12,368 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 595.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -179.2 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 81.03 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 62.71 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1136.21 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: 109.1 MB). Peak memory consumption was 109.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9179.83 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 289.9 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -204.0 MB). Peak memory consumption was 85.9 MB. Max. memory is 11.5 GB. * Witness Printer took 153.59 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 475]: 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: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((!(1 == a11) && a19 == 1) && a17 == 8) && a25 == 1) || (a19 == 1 && 10 == a28)) || (((!(a25 == 1) && 1 == a11) && 10 == a28) && a17 <= 8)) || (((a19 == 1 && a17 <= 8) && !(a28 == 11)) && a25 == 1)) || ((a28 == 9 && a25 == 1) && a17 <= 8)) || ((a28 == 9 && a17 == 8) && a19 == 1)) || (((a17 == 8 && !(a28 == 9)) && !(1 == a11)) && !(a28 == 11))) || (((a17 == 8 && !(a25 == 1)) && !(a28 == 9)) && !(a28 == 11)) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((((((((!(1 == a11) && a19 == 1) && a17 == 8) && a25 == 1) || (a19 == 1 && 10 == a28)) || (((!(a25 == 1) && 1 == a11) && 10 == a28) && a17 <= 8)) || (((a19 == 1 && a17 <= 8) && !(a28 == 11)) && a25 == 1)) || ((a28 == 9 && a25 == 1) && a17 <= 8)) || ((a28 == 9 && a17 == 8) && a19 == 1)) || (((a17 == 8 && !(a28 == 9)) && !(1 == a11)) && !(a28 == 11))) || (((a17 == 8 && !(a25 == 1)) && !(a28 == 9)) && !(a28 == 11)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Result: SAFE, OverallTime: 9.0s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 6.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 803 SDtfs, 2334 SDslu, 259 SDs, 0 SdLazy, 5614 SolverSat, 808 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 13 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2410occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 1875 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 35 NumberOfFragments, 209 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1434 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 818 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1277 NumberOfCodeBlocks, 1277 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1268 ConstructedInterpolants, 0 QuantifiedInterpolants, 617302 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 420/420 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...