./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label49.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_eabd5dc1-6358-45f1-94a6-2d72512af626/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_eabd5dc1-6358-45f1-94a6-2d72512af626/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_eabd5dc1-6358-45f1-94a6-2d72512af626/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_eabd5dc1-6358-45f1-94a6-2d72512af626/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label49.c -s /tmp/vcloud-vcloud-master/worker/working_dir_eabd5dc1-6358-45f1-94a6-2d72512af626/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_eabd5dc1-6358-45f1-94a6-2d72512af626/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 95000caaa926e46a44fd070da2a40a84b9e2d593 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 08:56:07,044 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:56:07,046 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:56:07,056 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:56:07,057 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:56:07,058 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:56:07,059 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:56:07,061 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:56:07,062 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:56:07,065 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:56:07,067 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:56:07,068 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:56:07,073 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:56:07,076 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:56:07,076 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:56:07,077 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:56:07,078 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:56:07,081 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:56:07,082 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:56:07,083 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:56:07,084 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:56:07,085 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:56:07,085 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:56:07,086 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:56:07,090 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:56:07,092 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:56:07,092 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:56:07,093 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:56:07,093 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:56:07,094 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:56:07,094 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:56:07,094 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:56:07,095 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:56:07,095 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:56:07,096 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:56:07,096 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:56:07,097 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:56:07,097 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:56:07,097 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:56:07,098 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:56:07,098 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:56:07,101 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_eabd5dc1-6358-45f1-94a6-2d72512af626/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 08:56:07,120 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:56:07,120 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:56:07,121 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:56:07,121 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:56:07,121 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:56:07,121 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:56:07,121 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:56:07,122 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:56:07,122 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:56:07,122 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:56:07,122 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:56:07,122 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:56:07,122 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:56:07,123 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:56:07,123 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:56:07,123 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:56:07,123 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:56:07,123 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:56:07,123 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:56:07,123 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:56:07,124 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:56:07,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:56:07,124 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:56:07,124 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:56:07,124 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:56:07,124 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:56:07,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:56:07,125 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:56:07,125 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_eabd5dc1-6358-45f1-94a6-2d72512af626/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 -> 95000caaa926e46a44fd070da2a40a84b9e2d593 [2019-10-22 08:56:07,159 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:56:07,169 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:56:07,173 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:56:07,175 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:56:07,175 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:56:07,175 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_eabd5dc1-6358-45f1-94a6-2d72512af626/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label49.c [2019-10-22 08:56:07,221 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eabd5dc1-6358-45f1-94a6-2d72512af626/bin/uautomizer/data/e7d6dfefb/e3198ace952945a9aa69278549fe2c17/FLAGdf013f0a7 [2019-10-22 08:56:07,704 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:56:07,705 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_eabd5dc1-6358-45f1-94a6-2d72512af626/sv-benchmarks/c/eca-rers2012/Problem02_label49.c [2019-10-22 08:56:07,714 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eabd5dc1-6358-45f1-94a6-2d72512af626/bin/uautomizer/data/e7d6dfefb/e3198ace952945a9aa69278549fe2c17/FLAGdf013f0a7 [2019-10-22 08:56:08,040 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_eabd5dc1-6358-45f1-94a6-2d72512af626/bin/uautomizer/data/e7d6dfefb/e3198ace952945a9aa69278549fe2c17 [2019-10-22 08:56:08,042 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:56:08,044 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:56:08,045 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:56:08,045 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:56:08,048 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:56:08,049 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:56:08" (1/1) ... [2019-10-22 08:56:08,051 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35ee8f44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:08, skipping insertion in model container [2019-10-22 08:56:08,052 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:56:08" (1/1) ... [2019-10-22 08:56:08,059 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:56:08,117 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:56:08,563 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:56:08,569 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:56:08,668 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:56:08,681 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:56:08,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:08 WrapperNode [2019-10-22 08:56:08,681 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:56:08,682 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:56:08,682 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:56:08,682 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:56:08,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:08" (1/1) ... [2019-10-22 08:56:08,709 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:08" (1/1) ... [2019-10-22 08:56:08,767 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:56:08,767 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:56:08,767 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:56:08,767 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:56:08,779 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:08" (1/1) ... [2019-10-22 08:56:08,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:08" (1/1) ... [2019-10-22 08:56:08,782 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:08" (1/1) ... [2019-10-22 08:56:08,782 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:08" (1/1) ... [2019-10-22 08:56:08,796 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:08" (1/1) ... [2019-10-22 08:56:08,804 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:08" (1/1) ... [2019-10-22 08:56:08,808 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:08" (1/1) ... [2019-10-22 08:56:08,813 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:56:08,814 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:56:08,814 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:56:08,814 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:56:08,815 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eabd5dc1-6358-45f1-94a6-2d72512af626/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 08:56:08,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:56:08,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:56:10,101 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:56:10,102 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 08:56:10,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:10 BoogieIcfgContainer [2019-10-22 08:56:10,103 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:56:10,104 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:56:10,104 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:56:10,108 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:56:10,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:56:08" (1/3) ... [2019-10-22 08:56:10,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e7c8dbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:56:10, skipping insertion in model container [2019-10-22 08:56:10,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:08" (2/3) ... [2019-10-22 08:56:10,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e7c8dbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:56:10, skipping insertion in model container [2019-10-22 08:56:10,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:10" (3/3) ... [2019-10-22 08:56:10,112 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label49.c [2019-10-22 08:56:10,122 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:56:10,129 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 08:56:10,136 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 08:56:10,154 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:56:10,154 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:56:10,155 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:56:10,155 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:56:10,155 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:56:10,155 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:56:10,155 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:56:10,155 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:56:10,171 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-10-22 08:56:10,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-10-22 08:56:10,182 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:10,183 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, 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 08:56:10,187 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:10,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:10,191 INFO L82 PathProgramCache]: Analyzing trace with hash -1378216101, now seen corresponding path program 1 times [2019-10-22 08:56:10,196 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:10,197 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888459631] [2019-10-22 08:56:10,197 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:10,197 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:10,197 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:10,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:10,635 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 08:56:10,636 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888459631] [2019-10-22 08:56:10,636 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:10,637 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:56:10,637 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47606698] [2019-10-22 08:56:10,641 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:56:10,642 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:10,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:56:10,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:56:10,657 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 4 states. [2019-10-22 08:56:11,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:11,860 INFO L93 Difference]: Finished difference Result 775 states and 1353 transitions. [2019-10-22 08:56:11,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:56:11,862 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 125 [2019-10-22 08:56:11,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:11,878 INFO L225 Difference]: With dead ends: 775 [2019-10-22 08:56:11,881 INFO L226 Difference]: Without dead ends: 460 [2019-10-22 08:56:11,885 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 08:56:11,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2019-10-22 08:56:11,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 308. [2019-10-22 08:56:11,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2019-10-22 08:56:11,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 451 transitions. [2019-10-22 08:56:11,953 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 451 transitions. Word has length 125 [2019-10-22 08:56:11,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:11,954 INFO L462 AbstractCegarLoop]: Abstraction has 308 states and 451 transitions. [2019-10-22 08:56:11,954 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:56:11,954 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 451 transitions. [2019-10-22 08:56:11,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2019-10-22 08:56:11,958 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:11,958 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:56:11,959 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:11,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:11,959 INFO L82 PathProgramCache]: Analyzing trace with hash 427040720, now seen corresponding path program 1 times [2019-10-22 08:56:11,959 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:11,960 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725742859] [2019-10-22 08:56:11,960 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:11,960 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:11,960 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:11,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:12,146 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:12,146 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725742859] [2019-10-22 08:56:12,147 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:12,147 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:56:12,147 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352699472] [2019-10-22 08:56:12,151 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:56:12,152 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:12,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:56:12,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:56:12,153 INFO L87 Difference]: Start difference. First operand 308 states and 451 transitions. Second operand 4 states. [2019-10-22 08:56:12,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:12,806 INFO L93 Difference]: Finished difference Result 977 states and 1474 transitions. [2019-10-22 08:56:12,807 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:56:12,807 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 129 [2019-10-22 08:56:12,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:12,811 INFO L225 Difference]: With dead ends: 977 [2019-10-22 08:56:12,811 INFO L226 Difference]: Without dead ends: 588 [2019-10-22 08:56:12,814 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 08:56:12,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588 states. [2019-10-22 08:56:12,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 588 to 448. [2019-10-22 08:56:12,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 448 states. [2019-10-22 08:56:12,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 621 transitions. [2019-10-22 08:56:12,839 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 621 transitions. Word has length 129 [2019-10-22 08:56:12,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:12,839 INFO L462 AbstractCegarLoop]: Abstraction has 448 states and 621 transitions. [2019-10-22 08:56:12,839 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:56:12,839 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 621 transitions. [2019-10-22 08:56:12,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2019-10-22 08:56:12,841 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:12,841 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, 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 08:56:12,841 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:12,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:12,841 INFO L82 PathProgramCache]: Analyzing trace with hash 349951226, now seen corresponding path program 1 times [2019-10-22 08:56:12,842 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:12,842 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791296239] [2019-10-22 08:56:12,842 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:12,842 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:12,842 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:12,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:12,931 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 08:56:12,932 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791296239] [2019-10-22 08:56:12,932 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:12,932 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:56:12,933 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750161857] [2019-10-22 08:56:12,933 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:56:12,933 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:12,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:56:12,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:56:12,934 INFO L87 Difference]: Start difference. First operand 448 states and 621 transitions. Second operand 4 states. [2019-10-22 08:56:13,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:13,637 INFO L93 Difference]: Finished difference Result 1753 states and 2444 transitions. [2019-10-22 08:56:13,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:56:13,638 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2019-10-22 08:56:13,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:13,642 INFO L225 Difference]: With dead ends: 1753 [2019-10-22 08:56:13,642 INFO L226 Difference]: Without dead ends: 1307 [2019-10-22 08:56:13,643 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 08:56:13,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1307 states. [2019-10-22 08:56:13,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1307 to 871. [2019-10-22 08:56:13,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 871 states. [2019-10-22 08:56:13,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 871 states and 1168 transitions. [2019-10-22 08:56:13,670 INFO L78 Accepts]: Start accepts. Automaton has 871 states and 1168 transitions. Word has length 143 [2019-10-22 08:56:13,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:13,671 INFO L462 AbstractCegarLoop]: Abstraction has 871 states and 1168 transitions. [2019-10-22 08:56:13,671 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:56:13,671 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1168 transitions. [2019-10-22 08:56:13,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-10-22 08:56:13,673 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:13,674 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:13,674 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:13,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:13,674 INFO L82 PathProgramCache]: Analyzing trace with hash 1893011715, now seen corresponding path program 1 times [2019-10-22 08:56:13,675 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:13,675 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690094736] [2019-10-22 08:56:13,675 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:13,675 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:13,675 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:13,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:13,745 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-22 08:56:13,745 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690094736] [2019-10-22 08:56:13,745 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:13,745 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:56:13,746 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175015611] [2019-10-22 08:56:13,746 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:56:13,749 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:13,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:56:13,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:56:13,749 INFO L87 Difference]: Start difference. First operand 871 states and 1168 transitions. Second operand 4 states. [2019-10-22 08:56:14,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:14,438 INFO L93 Difference]: Finished difference Result 3287 states and 4394 transitions. [2019-10-22 08:56:14,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:56:14,439 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 155 [2019-10-22 08:56:14,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:14,446 INFO L225 Difference]: With dead ends: 3287 [2019-10-22 08:56:14,446 INFO L226 Difference]: Without dead ends: 2418 [2019-10-22 08:56:14,448 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 08:56:14,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2418 states. [2019-10-22 08:56:14,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2418 to 2132. [2019-10-22 08:56:14,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2132 states. [2019-10-22 08:56:14,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2132 states to 2132 states and 2647 transitions. [2019-10-22 08:56:14,498 INFO L78 Accepts]: Start accepts. Automaton has 2132 states and 2647 transitions. Word has length 155 [2019-10-22 08:56:14,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:14,498 INFO L462 AbstractCegarLoop]: Abstraction has 2132 states and 2647 transitions. [2019-10-22 08:56:14,499 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:56:14,499 INFO L276 IsEmpty]: Start isEmpty. Operand 2132 states and 2647 transitions. [2019-10-22 08:56:14,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-10-22 08:56:14,503 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:14,503 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:56:14,503 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:14,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:14,504 INFO L82 PathProgramCache]: Analyzing trace with hash -1809702189, now seen corresponding path program 1 times [2019-10-22 08:56:14,504 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:14,505 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413676580] [2019-10-22 08:56:14,505 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:14,505 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:14,505 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:14,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:14,597 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 08:56:14,598 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413676580] [2019-10-22 08:56:14,598 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:14,598 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:56:14,598 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339539236] [2019-10-22 08:56:14,599 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:56:14,599 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:14,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:56:14,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:56:14,600 INFO L87 Difference]: Start difference. First operand 2132 states and 2647 transitions. Second operand 4 states. [2019-10-22 08:56:15,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:15,299 INFO L93 Difference]: Finished difference Result 5395 states and 6742 transitions. [2019-10-22 08:56:15,300 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:56:15,300 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 158 [2019-10-22 08:56:15,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:15,308 INFO L225 Difference]: With dead ends: 5395 [2019-10-22 08:56:15,308 INFO L226 Difference]: Without dead ends: 3265 [2019-10-22 08:56:15,311 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 08:56:15,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3265 states. [2019-10-22 08:56:15,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3265 to 2133. [2019-10-22 08:56:15,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2133 states. [2019-10-22 08:56:15,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2133 states to 2133 states and 2588 transitions. [2019-10-22 08:56:15,390 INFO L78 Accepts]: Start accepts. Automaton has 2133 states and 2588 transitions. Word has length 158 [2019-10-22 08:56:15,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:15,390 INFO L462 AbstractCegarLoop]: Abstraction has 2133 states and 2588 transitions. [2019-10-22 08:56:15,390 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:56:15,390 INFO L276 IsEmpty]: Start isEmpty. Operand 2133 states and 2588 transitions. [2019-10-22 08:56:15,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-10-22 08:56:15,393 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:15,393 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:56:15,394 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:15,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:15,394 INFO L82 PathProgramCache]: Analyzing trace with hash 312992377, now seen corresponding path program 1 times [2019-10-22 08:56:15,394 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:15,395 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310878383] [2019-10-22 08:56:15,395 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:15,395 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:15,395 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:15,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:15,452 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:15,453 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310878383] [2019-10-22 08:56:15,453 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:15,454 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:56:15,454 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826448469] [2019-10-22 08:56:15,455 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:56:15,455 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:15,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:56:15,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:56:15,455 INFO L87 Difference]: Start difference. First operand 2133 states and 2588 transitions. Second operand 3 states. [2019-10-22 08:56:15,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:15,862 INFO L93 Difference]: Finished difference Result 4549 states and 5472 transitions. [2019-10-22 08:56:15,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:56:15,863 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 165 [2019-10-22 08:56:15,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:15,869 INFO L225 Difference]: With dead ends: 4549 [2019-10-22 08:56:15,869 INFO L226 Difference]: Without dead ends: 2278 [2019-10-22 08:56:15,872 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 08:56:15,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2278 states. [2019-10-22 08:56:15,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2278 to 2133. [2019-10-22 08:56:15,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2133 states. [2019-10-22 08:56:15,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2133 states to 2133 states and 2495 transitions. [2019-10-22 08:56:15,913 INFO L78 Accepts]: Start accepts. Automaton has 2133 states and 2495 transitions. Word has length 165 [2019-10-22 08:56:15,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:15,914 INFO L462 AbstractCegarLoop]: Abstraction has 2133 states and 2495 transitions. [2019-10-22 08:56:15,914 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:56:15,914 INFO L276 IsEmpty]: Start isEmpty. Operand 2133 states and 2495 transitions. [2019-10-22 08:56:15,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-10-22 08:56:15,917 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:15,917 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:15,917 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:15,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:15,923 INFO L82 PathProgramCache]: Analyzing trace with hash -2122414462, now seen corresponding path program 1 times [2019-10-22 08:56:15,923 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:15,923 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158044209] [2019-10-22 08:56:15,923 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:15,924 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:15,924 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:15,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:15,984 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-22 08:56:15,984 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158044209] [2019-10-22 08:56:15,984 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:15,985 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:56:15,985 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787965184] [2019-10-22 08:56:15,985 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:56:15,985 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:15,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:56:15,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:56:15,986 INFO L87 Difference]: Start difference. First operand 2133 states and 2495 transitions. Second operand 3 states. [2019-10-22 08:56:16,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:16,374 INFO L93 Difference]: Finished difference Result 4681 states and 5436 transitions. [2019-10-22 08:56:16,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:56:16,375 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 174 [2019-10-22 08:56:16,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:16,380 INFO L225 Difference]: With dead ends: 4681 [2019-10-22 08:56:16,380 INFO L226 Difference]: Without dead ends: 1990 [2019-10-22 08:56:16,383 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 08:56:16,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1990 states. [2019-10-22 08:56:16,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1990 to 1850. [2019-10-22 08:56:16,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1850 states. [2019-10-22 08:56:16,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1850 states to 1850 states and 2047 transitions. [2019-10-22 08:56:16,412 INFO L78 Accepts]: Start accepts. Automaton has 1850 states and 2047 transitions. Word has length 174 [2019-10-22 08:56:16,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:16,412 INFO L462 AbstractCegarLoop]: Abstraction has 1850 states and 2047 transitions. [2019-10-22 08:56:16,412 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:56:16,412 INFO L276 IsEmpty]: Start isEmpty. Operand 1850 states and 2047 transitions. [2019-10-22 08:56:16,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2019-10-22 08:56:16,415 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:16,416 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:56:16,416 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:16,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:16,416 INFO L82 PathProgramCache]: Analyzing trace with hash -1776115291, now seen corresponding path program 1 times [2019-10-22 08:56:16,416 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:16,416 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893827394] [2019-10-22 08:56:16,417 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:16,417 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:16,417 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:16,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:16,542 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 75 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-22 08:56:16,542 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893827394] [2019-10-22 08:56:16,542 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1061461114] [2019-10-22 08:56:16,543 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eabd5dc1-6358-45f1-94a6-2d72512af626/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:56:16,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:16,615 INFO L256 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-22 08:56:16,659 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:56:16,713 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-10-22 08:56:16,713 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-22 08:56:16,713 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2019-10-22 08:56:16,713 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745771048] [2019-10-22 08:56:16,714 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:56:16,714 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:16,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:56:16,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:56:16,715 INFO L87 Difference]: Start difference. First operand 1850 states and 2047 transitions. Second operand 3 states. [2019-10-22 08:56:17,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:17,034 INFO L93 Difference]: Finished difference Result 3697 states and 4091 transitions. [2019-10-22 08:56:17,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:56:17,035 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 188 [2019-10-22 08:56:17,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:17,040 INFO L225 Difference]: With dead ends: 3697 [2019-10-22 08:56:17,040 INFO L226 Difference]: Without dead ends: 1849 [2019-10-22 08:56:17,042 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:56:17,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1849 states. [2019-10-22 08:56:17,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1849 to 1429. [2019-10-22 08:56:17,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1429 states. [2019-10-22 08:56:17,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1429 states to 1429 states and 1533 transitions. [2019-10-22 08:56:17,068 INFO L78 Accepts]: Start accepts. Automaton has 1429 states and 1533 transitions. Word has length 188 [2019-10-22 08:56:17,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:17,068 INFO L462 AbstractCegarLoop]: Abstraction has 1429 states and 1533 transitions. [2019-10-22 08:56:17,068 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:56:17,069 INFO L276 IsEmpty]: Start isEmpty. Operand 1429 states and 1533 transitions. [2019-10-22 08:56:17,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2019-10-22 08:56:17,072 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:17,072 INFO L380 BasicCegarLoop]: trace histogram [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, 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] [2019-10-22 08:56:17,272 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:56:17,273 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:17,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:17,274 INFO L82 PathProgramCache]: Analyzing trace with hash 360926504, now seen corresponding path program 1 times [2019-10-22 08:56:17,274 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:17,274 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343266099] [2019-10-22 08:56:17,274 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:17,274 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:17,274 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:17,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:17,439 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:17,440 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343266099] [2019-10-22 08:56:17,440 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:17,440 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 08:56:17,440 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168594795] [2019-10-22 08:56:17,440 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-22 08:56:17,440 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:17,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-22 08:56:17,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-10-22 08:56:17,441 INFO L87 Difference]: Start difference. First operand 1429 states and 1533 transitions. Second operand 7 states. [2019-10-22 08:56:18,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:18,388 INFO L93 Difference]: Finished difference Result 3741 states and 4045 transitions. [2019-10-22 08:56:18,388 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 08:56:18,388 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 198 [2019-10-22 08:56:18,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:18,393 INFO L225 Difference]: With dead ends: 3741 [2019-10-22 08:56:18,393 INFO L226 Difference]: Without dead ends: 2031 [2019-10-22 08:56:18,395 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2019-10-22 08:56:18,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2031 states. [2019-10-22 08:56:18,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2031 to 1429. [2019-10-22 08:56:18,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1429 states. [2019-10-22 08:56:18,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1429 states to 1429 states and 1503 transitions. [2019-10-22 08:56:18,424 INFO L78 Accepts]: Start accepts. Automaton has 1429 states and 1503 transitions. Word has length 198 [2019-10-22 08:56:18,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:18,425 INFO L462 AbstractCegarLoop]: Abstraction has 1429 states and 1503 transitions. [2019-10-22 08:56:18,425 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-22 08:56:18,425 INFO L276 IsEmpty]: Start isEmpty. Operand 1429 states and 1503 transitions. [2019-10-22 08:56:18,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2019-10-22 08:56:18,433 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:18,434 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, 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 08:56:18,434 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:18,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:18,434 INFO L82 PathProgramCache]: Analyzing trace with hash -1134644622, now seen corresponding path program 1 times [2019-10-22 08:56:18,434 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:18,435 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319981673] [2019-10-22 08:56:18,435 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:18,436 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:18,437 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:18,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:18,556 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 08:56:18,557 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319981673] [2019-10-22 08:56:18,557 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:18,557 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:56:18,557 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093211490] [2019-10-22 08:56:18,557 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:56:18,558 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:18,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:56:18,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:56:18,559 INFO L87 Difference]: Start difference. First operand 1429 states and 1503 transitions. Second operand 4 states. [2019-10-22 08:56:19,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:19,098 INFO L93 Difference]: Finished difference Result 3140 states and 3298 transitions. [2019-10-22 08:56:19,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:56:19,099 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 202 [2019-10-22 08:56:19,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:19,103 INFO L225 Difference]: With dead ends: 3140 [2019-10-22 08:56:19,103 INFO L226 Difference]: Without dead ends: 1573 [2019-10-22 08:56:19,105 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 08:56:19,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1573 states. [2019-10-22 08:56:19,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1573 to 1429. [2019-10-22 08:56:19,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1429 states. [2019-10-22 08:56:19,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1429 states to 1429 states and 1489 transitions. [2019-10-22 08:56:19,127 INFO L78 Accepts]: Start accepts. Automaton has 1429 states and 1489 transitions. Word has length 202 [2019-10-22 08:56:19,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:19,127 INFO L462 AbstractCegarLoop]: Abstraction has 1429 states and 1489 transitions. [2019-10-22 08:56:19,127 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:56:19,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1429 states and 1489 transitions. [2019-10-22 08:56:19,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2019-10-22 08:56:19,131 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:19,131 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, 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 08:56:19,131 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:19,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:19,131 INFO L82 PathProgramCache]: Analyzing trace with hash -135469808, now seen corresponding path program 1 times [2019-10-22 08:56:19,132 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:19,132 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899525605] [2019-10-22 08:56:19,132 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:19,132 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:19,132 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:19,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:19,264 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 08:56:19,264 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899525605] [2019-10-22 08:56:19,265 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:19,265 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:56:19,265 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701605691] [2019-10-22 08:56:19,265 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:56:19,265 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:19,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:56:19,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:56:19,266 INFO L87 Difference]: Start difference. First operand 1429 states and 1489 transitions. Second operand 4 states. [2019-10-22 08:56:19,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:19,749 INFO L93 Difference]: Finished difference Result 3276 states and 3429 transitions. [2019-10-22 08:56:19,750 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:56:19,750 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 223 [2019-10-22 08:56:19,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:19,750 INFO L225 Difference]: With dead ends: 3276 [2019-10-22 08:56:19,750 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 08:56:19,753 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 08:56:19,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 08:56:19,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 08:56:19,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 08:56:19,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:56:19,754 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 223 [2019-10-22 08:56:19,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:19,754 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:56:19,754 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:56:19,756 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:56:19,756 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 08:56:19,760 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 08:56:19,891 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 114 [2019-10-22 08:56:19,992 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 114 [2019-10-22 08:56:20,538 WARN L191 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 47 [2019-10-22 08:56:21,051 WARN L191 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 47 [2019-10-22 08:56:21,052 INFO L443 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:21,052 INFO L443 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:21,053 INFO L443 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:21,053 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-10-22 08:56:21,053 INFO L443 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2019-10-22 08:56:21,053 INFO L443 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2019-10-22 08:56:21,053 INFO L443 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2019-10-22 08:56:21,053 INFO L443 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-10-22 08:56:21,053 INFO L443 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-10-22 08:56:21,053 INFO L443 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-10-22 08:56:21,053 INFO L443 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:21,053 INFO L443 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:21,053 INFO L443 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:21,053 INFO L443 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-10-22 08:56:21,053 INFO L443 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2019-10-22 08:56:21,053 INFO L443 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2019-10-22 08:56:21,053 INFO L443 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2019-10-22 08:56:21,054 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-10-22 08:56:21,054 INFO L443 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-10-22 08:56:21,054 INFO L443 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-10-22 08:56:21,054 INFO L443 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:21,054 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 547) no Hoare annotation was computed. [2019-10-22 08:56:21,054 INFO L443 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:21,054 INFO L443 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:21,054 INFO L443 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-10-22 08:56:21,054 INFO L443 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2019-10-22 08:56:21,054 INFO L443 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2019-10-22 08:56:21,054 INFO L443 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2019-10-22 08:56:21,054 INFO L443 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-10-22 08:56:21,054 INFO L443 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:21,055 INFO L443 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:21,055 INFO L443 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:21,055 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-10-22 08:56:21,055 INFO L443 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-10-22 08:56:21,055 INFO L443 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2019-10-22 08:56:21,055 INFO L443 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2019-10-22 08:56:21,055 INFO L443 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2019-10-22 08:56:21,056 INFO L443 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-10-22 08:56:21,056 INFO L443 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-10-22 08:56:21,056 INFO L443 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-10-22 08:56:21,056 INFO L443 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:21,056 INFO L443 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:21,056 INFO L443 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:21,056 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-10-22 08:56:21,056 INFO L443 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2019-10-22 08:56:21,056 INFO L443 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2019-10-22 08:56:21,056 INFO L443 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2019-10-22 08:56:21,056 INFO L443 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-10-22 08:56:21,056 INFO L443 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-10-22 08:56:21,056 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-10-22 08:56:21,056 INFO L443 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-10-22 08:56:21,056 INFO L443 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:21,057 INFO L443 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:21,057 INFO L443 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:21,057 INFO L443 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-10-22 08:56:21,057 INFO L443 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-10-22 08:56:21,057 INFO L443 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-10-22 08:56:21,057 INFO L443 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-10-22 08:56:21,057 INFO L443 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2019-10-22 08:56:21,057 INFO L443 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2019-10-22 08:56:21,057 INFO L443 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2019-10-22 08:56:21,057 INFO L443 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-10-22 08:56:21,057 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-10-22 08:56:21,057 INFO L443 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:21,057 INFO L443 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:21,057 INFO L443 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:21,057 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-10-22 08:56:21,058 INFO L443 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2019-10-22 08:56:21,058 INFO L443 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2019-10-22 08:56:21,058 INFO L443 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2019-10-22 08:56:21,058 INFO L443 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-10-22 08:56:21,058 INFO L443 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-10-22 08:56:21,058 INFO L443 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:21,058 INFO L443 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:21,058 INFO L443 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:21,058 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-10-22 08:56:21,061 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-10-22 08:56:21,062 INFO L443 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2019-10-22 08:56:21,062 INFO L443 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2019-10-22 08:56:21,062 INFO L443 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2019-10-22 08:56:21,062 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 08:56:21,062 INFO L443 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-10-22 08:56:21,062 INFO L443 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-10-22 08:56:21,062 INFO L443 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-10-22 08:56:21,062 INFO L443 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:21,062 INFO L443 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:21,062 INFO L443 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:21,062 INFO L443 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2019-10-22 08:56:21,062 INFO L443 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2019-10-22 08:56:21,062 INFO L443 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-10-22 08:56:21,062 INFO L443 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-10-22 08:56:21,062 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-10-22 08:56:21,063 INFO L443 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:21,063 INFO L443 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:21,063 INFO L443 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:21,063 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-10-22 08:56:21,063 INFO L443 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2019-10-22 08:56:21,063 INFO L443 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2019-10-22 08:56:21,064 INFO L443 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2019-10-22 08:56:21,064 INFO L443 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-10-22 08:56:21,064 INFO L443 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-10-22 08:56:21,064 INFO L443 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-10-22 08:56:21,064 INFO L443 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-10-22 08:56:21,064 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-10-22 08:56:21,064 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-10-22 08:56:21,064 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 08:56:21,064 INFO L443 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-10-22 08:56:21,064 INFO L443 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:21,064 INFO L443 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:21,064 INFO L443 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-10-22 08:56:21,064 INFO L443 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2019-10-22 08:56:21,064 INFO L443 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2019-10-22 08:56:21,064 INFO L443 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2019-10-22 08:56:21,065 INFO L443 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-10-22 08:56:21,065 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-10-22 08:56:21,065 INFO L443 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-10-22 08:56:21,065 INFO L443 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-10-22 08:56:21,065 INFO L443 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-10-22 08:56:21,066 INFO L439 ceAbstractionStarter]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse3 (= ~a25~0 1))) (let ((.cse1 (= ~a28~0 7)) (.cse6 (not .cse3)) (.cse11 (not (= 1 ~a11~0))) (.cse0 (= ~a19~0 1))) (let ((.cse2 (= ~a11~0 1)) (.cse9 (= ~a28~0 9)) (.cse10 (not .cse0)) (.cse5 (and .cse6 .cse11)) (.cse7 (not (= ~a28~0 11))) (.cse8 (not .cse1)) (.cse12 (= ~a17~0 8)) (.cse13 (= ~a21~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (let ((.cse4 (<= ~a19~0 0))) (or (and .cse4 .cse5) (and .cse4 .cse6 .cse7))) (and .cse8 .cse0 .cse6 .cse2) (and .cse9 (and .cse10 .cse3 .cse2)) (and (not .cse9) (and .cse10 .cse11 .cse7)) (and .cse10 .cse6 .cse1) (and .cse8 (and .cse5 .cse7)) (and .cse12 .cse0 .cse1 .cse13) (and .cse8 (or (and .cse12 .cse0 .cse13 .cse3) (and .cse0 .cse3 .cse11))))))) [2019-10-22 08:56:21,066 INFO L443 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:21,066 INFO L443 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:21,067 INFO L443 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-10-22 08:56:21,067 INFO L443 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2019-10-22 08:56:21,067 INFO L443 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2019-10-22 08:56:21,067 INFO L443 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-10-22 08:56:21,067 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-10-22 08:56:21,067 INFO L443 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-10-22 08:56:21,067 INFO L446 ceAbstractionStarter]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-10-22 08:56:21,067 INFO L443 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:21,067 INFO L443 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:21,067 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-10-22 08:56:21,067 INFO L443 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2019-10-22 08:56:21,067 INFO L443 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2019-10-22 08:56:21,067 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-10-22 08:56:21,067 INFO L443 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-10-22 08:56:21,067 INFO L443 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-10-22 08:56:21,068 INFO L443 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-10-22 08:56:21,068 INFO L443 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-10-22 08:56:21,068 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-10-22 08:56:21,068 INFO L443 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:21,068 INFO L443 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:21,068 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-10-22 08:56:21,068 INFO L443 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-10-22 08:56:21,068 INFO L443 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2019-10-22 08:56:21,069 INFO L443 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2019-10-22 08:56:21,069 INFO L443 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-10-22 08:56:21,069 INFO L443 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-10-22 08:56:21,069 INFO L439 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse3 (= ~a25~0 1))) (let ((.cse1 (= ~a28~0 7)) (.cse6 (not .cse3)) (.cse11 (not (= 1 ~a11~0))) (.cse0 (= ~a19~0 1))) (let ((.cse2 (= ~a11~0 1)) (.cse9 (= ~a28~0 9)) (.cse10 (not .cse0)) (.cse5 (and .cse6 .cse11)) (.cse7 (not (= ~a28~0 11))) (.cse8 (not .cse1)) (.cse12 (= ~a17~0 8)) (.cse13 (= ~a21~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (let ((.cse4 (<= ~a19~0 0))) (or (and .cse4 .cse5) (and .cse4 .cse6 .cse7))) (and .cse8 .cse0 .cse6 .cse2) (and .cse9 (and .cse10 .cse3 .cse2)) (and (not .cse9) (and .cse10 .cse11 .cse7)) (and .cse10 .cse6 .cse1) (and .cse8 (and .cse5 .cse7)) (and .cse12 .cse0 .cse1 .cse13) (and .cse8 (or (and .cse12 .cse0 .cse13 .cse3) (and .cse0 .cse3 .cse11))))))) [2019-10-22 08:56:21,070 INFO L443 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:21,070 INFO L443 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:21,070 INFO L443 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-10-22 08:56:21,070 INFO L443 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2019-10-22 08:56:21,070 INFO L443 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2019-10-22 08:56:21,070 INFO L443 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-10-22 08:56:21,070 INFO L443 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-10-22 08:56:21,070 INFO L443 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:21,070 INFO L443 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:21,070 INFO L443 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2019-10-22 08:56:21,070 INFO L443 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-10-22 08:56:21,070 INFO L443 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-10-22 08:56:21,070 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-10-22 08:56:21,070 INFO L443 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-10-22 08:56:21,070 INFO L443 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-10-22 08:56:21,071 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-10-22 08:56:21,071 INFO L443 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-10-22 08:56:21,071 INFO L443 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-10-22 08:56:21,071 INFO L443 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:21,071 INFO L443 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:21,071 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-10-22 08:56:21,071 INFO L443 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:21,071 INFO L443 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2019-10-22 08:56:21,071 INFO L443 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-10-22 08:56:21,071 INFO L443 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2019-10-22 08:56:21,071 INFO L443 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-10-22 08:56:21,071 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-10-22 08:56:21,071 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 08:56:21,071 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-10-22 08:56:21,071 INFO L443 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:21,071 INFO L443 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:21,072 INFO L443 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:21,072 INFO L443 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2019-10-22 08:56:21,072 INFO L443 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2019-10-22 08:56:21,072 INFO L443 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2019-10-22 08:56:21,072 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-10-22 08:56:21,072 INFO L443 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-10-22 08:56:21,072 INFO L443 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:21,072 INFO L443 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:21,072 INFO L443 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:21,072 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-10-22 08:56:21,072 INFO L443 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2019-10-22 08:56:21,072 INFO L443 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2019-10-22 08:56:21,072 INFO L443 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2019-10-22 08:56:21,072 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-10-22 08:56:21,072 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-10-22 08:56:21,072 INFO L443 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:21,073 INFO L443 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:21,074 INFO L443 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:21,074 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-10-22 08:56:21,074 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-10-22 08:56:21,074 INFO L443 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-10-22 08:56:21,074 INFO L443 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2019-10-22 08:56:21,074 INFO L443 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2019-10-22 08:56:21,074 INFO L443 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2019-10-22 08:56:21,074 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 08:56:21,074 INFO L443 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-10-22 08:56:21,074 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-10-22 08:56:21,075 INFO L443 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:21,075 INFO L443 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:21,075 INFO L443 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:21,075 INFO L443 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-10-22 08:56:21,075 INFO L443 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2019-10-22 08:56:21,075 INFO L443 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2019-10-22 08:56:21,075 INFO L443 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2019-10-22 08:56:21,075 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-10-22 08:56:21,075 INFO L443 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:21,075 INFO L443 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:21,075 INFO L443 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-10-22 08:56:21,075 INFO L443 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-10-22 08:56:21,075 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-10-22 08:56:21,075 INFO L443 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-10-22 08:56:21,075 INFO L443 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2019-10-22 08:56:21,075 INFO L443 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-10-22 08:56:21,075 INFO L443 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2019-10-22 08:56:21,076 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-10-22 08:56:21,076 INFO L443 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-10-22 08:56:21,076 INFO L443 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-10-22 08:56:21,076 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-10-22 08:56:21,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:56:21 BoogieIcfgContainer [2019-10-22 08:56:21,109 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:56:21,109 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:56:21,109 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:56:21,109 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:56:21,109 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:10" (3/4) ... [2019-10-22 08:56:21,112 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 08:56:21,129 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 08:56:21,133 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 08:56:21,276 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_eabd5dc1-6358-45f1-94a6-2d72512af626/bin/uautomizer/witness.graphml [2019-10-22 08:56:21,279 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:56:21,281 INFO L168 Benchmark]: Toolchain (without parser) took 13237.46 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 407.9 MB). Free memory was 944.5 MB in the beginning and 1.2 GB in the end (delta: -227.7 MB). Peak memory consumption was 180.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:21,281 INFO L168 Benchmark]: CDTParser took 0.16 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 08:56:21,281 INFO L168 Benchmark]: CACSL2BoogieTranslator took 637.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -158.6 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:21,282 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.77 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:21,282 INFO L168 Benchmark]: Boogie Preprocessor took 46.26 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:21,282 INFO L168 Benchmark]: RCFGBuilder took 1289.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 983.2 MB in the end (delta: 109.3 MB). Peak memory consumption was 109.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:21,282 INFO L168 Benchmark]: TraceAbstraction took 11005.04 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 281.5 MB). Free memory was 983.2 MB in the beginning and 1.2 GB in the end (delta: -215.2 MB). Peak memory consumption was 435.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:21,283 INFO L168 Benchmark]: Witness Printer took 170.85 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:21,284 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 637.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -158.6 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 84.77 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.26 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1289.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 983.2 MB in the end (delta: 109.3 MB). Peak memory consumption was 109.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11005.04 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 281.5 MB). Free memory was 983.2 MB in the beginning and 1.2 GB in the end (delta: -215.2 MB). Peak memory consumption was 435.5 MB. Max. memory is 11.5 GB. * Witness Printer took 170.85 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 547]: 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: ((((((((((a19 == 1 && a28 == 7) && a11 == 1) && a25 == 1) || (a19 <= 0 && !(a25 == 1) && !(1 == a11)) || ((a19 <= 0 && !(a25 == 1)) && !(a28 == 11))) || (((!(a28 == 7) && a19 == 1) && !(a25 == 1)) && a11 == 1)) || (a28 == 9 && (!(a19 == 1) && a25 == 1) && a11 == 1)) || (!(a28 == 9) && (!(a19 == 1) && !(1 == a11)) && !(a28 == 11))) || ((!(a19 == 1) && !(a25 == 1)) && a28 == 7)) || (!(a28 == 7) && (!(a25 == 1) && !(1 == a11)) && !(a28 == 11))) || (((a17 == 8 && a19 == 1) && a28 == 7) && a21 == 1)) || (!(a28 == 7) && ((((a17 == 8 && a19 == 1) && a21 == 1) && a25 == 1) || ((a19 == 1 && a25 == 1) && !(1 == a11)))) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((((((((((a19 == 1 && a28 == 7) && a11 == 1) && a25 == 1) || (a19 <= 0 && !(a25 == 1) && !(1 == a11)) || ((a19 <= 0 && !(a25 == 1)) && !(a28 == 11))) || (((!(a28 == 7) && a19 == 1) && !(a25 == 1)) && a11 == 1)) || (a28 == 9 && (!(a19 == 1) && a25 == 1) && a11 == 1)) || (!(a28 == 9) && (!(a19 == 1) && !(1 == a11)) && !(a28 == 11))) || ((!(a19 == 1) && !(a25 == 1)) && a28 == 7)) || (!(a28 == 7) && (!(a25 == 1) && !(1 == a11)) && !(a28 == 11))) || (((a17 == 8 && a19 == 1) && a28 == 7) && a21 == 1)) || (!(a28 == 7) && ((((a17 == 8 && a19 == 1) && a21 == 1) && a25 == 1) || ((a19 == 1 && a25 == 1) && !(1 == a11)))) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Result: SAFE, OverallTime: 10.9s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 7.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.2s, HoareTripleCheckerStatistics: 1452 SDtfs, 2865 SDslu, 352 SDs, 0 SdLazy, 6658 SolverSat, 1203 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 235 GetRequests, 202 SyntacticMatches, 3 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2133occurred 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, 11 MinimizatonAttempts, 3597 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 52 NumberOfFragments, 325 HoareAnnotationTreeSize, 3 FomulaSimplifications, 5382 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 3 FomulaSimplificationsInter, 4186 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 2048 NumberOfCodeBlocks, 2048 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2036 ConstructedInterpolants, 0 QuantifiedInterpolants, 1121265 SizeOfPredicates, 0 NumberOfNonLiveVariables, 326 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 12 InterpolantComputations, 11 PerfectInterpolantSequences, 717/720 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...