./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label07.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_18385883-d9fc-4600-8903-4bf0550cb64a/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_18385883-d9fc-4600-8903-4bf0550cb64a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_18385883-d9fc-4600-8903-4bf0550cb64a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_18385883-d9fc-4600-8903-4bf0550cb64a/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label07.c -s /tmp/vcloud-vcloud-master/worker/working_dir_18385883-d9fc-4600-8903-4bf0550cb64a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_18385883-d9fc-4600-8903-4bf0550cb64a/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 f00fa7f90af487ebbfd04394bf815b5a9b100931 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:02:59,090 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:02:59,091 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:02:59,102 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:02:59,104 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:02:59,105 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:02:59,106 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:02:59,107 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:02:59,108 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:02:59,109 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:02:59,109 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:02:59,110 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:02:59,111 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:02:59,111 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:02:59,112 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:02:59,113 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:02:59,114 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:02:59,115 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:02:59,116 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:02:59,118 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:02:59,119 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:02:59,120 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:02:59,121 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:02:59,122 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:02:59,127 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:02:59,128 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:02:59,128 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:02:59,129 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:02:59,129 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:02:59,130 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:02:59,130 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:02:59,131 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:02:59,131 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:02:59,135 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:02:59,136 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:02:59,136 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:02:59,137 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:02:59,137 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:02:59,137 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:02:59,138 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:02:59,138 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:02:59,139 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_18385883-d9fc-4600-8903-4bf0550cb64a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 09:02:59,154 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:02:59,156 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:02:59,158 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:02:59,158 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:02:59,158 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:02:59,158 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:02:59,158 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:02:59,158 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:02:59,159 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:02:59,159 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:02:59,159 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 09:02:59,159 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:02:59,159 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 09:02:59,160 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:02:59,160 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:02:59,160 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:02:59,160 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 09:02:59,160 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:02:59,160 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:02:59,160 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:02:59,161 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:02:59,161 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:02:59,161 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:02:59,161 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:02:59,161 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 09:02:59,161 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:02:59,161 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 09:02:59,162 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 09:02:59,162 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_18385883-d9fc-4600-8903-4bf0550cb64a/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 -> f00fa7f90af487ebbfd04394bf815b5a9b100931 [2019-10-22 09:02:59,196 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:02:59,205 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:02:59,209 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:02:59,211 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:02:59,211 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:02:59,212 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_18385883-d9fc-4600-8903-4bf0550cb64a/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem10_label07.c [2019-10-22 09:02:59,257 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_18385883-d9fc-4600-8903-4bf0550cb64a/bin/uautomizer/data/d8749256e/65fc0315007e4c4094925083b25ba7a1/FLAGcde328830 [2019-10-22 09:02:59,724 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:02:59,724 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_18385883-d9fc-4600-8903-4bf0550cb64a/sv-benchmarks/c/eca-rers2012/Problem10_label07.c [2019-10-22 09:02:59,735 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_18385883-d9fc-4600-8903-4bf0550cb64a/bin/uautomizer/data/d8749256e/65fc0315007e4c4094925083b25ba7a1/FLAGcde328830 [2019-10-22 09:03:00,236 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_18385883-d9fc-4600-8903-4bf0550cb64a/bin/uautomizer/data/d8749256e/65fc0315007e4c4094925083b25ba7a1 [2019-10-22 09:03:00,238 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:03:00,239 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:03:00,239 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:03:00,239 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:03:00,242 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:03:00,243 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:03:00" (1/1) ... [2019-10-22 09:03:00,246 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7464cab6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:03:00, skipping insertion in model container [2019-10-22 09:03:00,246 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:03:00" (1/1) ... [2019-10-22 09:03:00,253 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:03:00,313 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:03:00,771 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:03:00,775 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:03:00,863 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:03:00,877 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:03:00,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:03:00 WrapperNode [2019-10-22 09:03:00,878 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:03:00,879 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:03:00,879 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:03:00,879 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:03:00,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:03:00" (1/1) ... [2019-10-22 09:03:00,900 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:03:00" (1/1) ... [2019-10-22 09:03:00,967 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:03:00,968 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:03:00,968 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:03:00,968 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:03:00,978 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:03:00" (1/1) ... [2019-10-22 09:03:00,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:03:00" (1/1) ... [2019-10-22 09:03:00,982 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:03:00" (1/1) ... [2019-10-22 09:03:00,993 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:03:00" (1/1) ... [2019-10-22 09:03:01,015 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:03:00" (1/1) ... [2019-10-22 09:03:01,032 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:03:00" (1/1) ... [2019-10-22 09:03:01,045 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:03:00" (1/1) ... [2019-10-22 09:03:01,051 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:03:01,052 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:03:01,052 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:03:01,052 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:03:01,053 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:03:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_18385883-d9fc-4600-8903-4bf0550cb64a/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 09:03:01,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:03:01,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:03:02,201 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:03:02,202 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 09:03:02,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:03:02 BoogieIcfgContainer [2019-10-22 09:03:02,203 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:03:02,205 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:03:02,205 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:03:02,209 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:03:02,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:03:00" (1/3) ... [2019-10-22 09:03:02,211 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41ff071c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:03:02, skipping insertion in model container [2019-10-22 09:03:02,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:03:00" (2/3) ... [2019-10-22 09:03:02,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41ff071c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:03:02, skipping insertion in model container [2019-10-22 09:03:02,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:03:02" (3/3) ... [2019-10-22 09:03:02,215 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label07.c [2019-10-22 09:03:02,224 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:03:02,236 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 09:03:02,246 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 09:03:02,279 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:03:02,281 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 09:03:02,282 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:03:02,282 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:03:02,282 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:03:02,282 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:03:02,282 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:03:02,282 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:03:02,305 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2019-10-22 09:03:02,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-22 09:03:02,317 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:03:02,318 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] [2019-10-22 09:03:02,320 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:03:02,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:03:02,326 INFO L82 PathProgramCache]: Analyzing trace with hash -2068820151, now seen corresponding path program 1 times [2019-10-22 09:03:02,335 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:03:02,335 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460102960] [2019-10-22 09:03:02,335 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:02,336 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:02,336 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:03:02,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:03:02,612 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 09:03:02,613 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460102960] [2019-10-22 09:03:02,614 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:03:02,614 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:03:02,614 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802424612] [2019-10-22 09:03:02,619 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:03:02,620 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:03:02,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:03:02,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:03:02,635 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 4 states. [2019-10-22 09:03:04,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:03:04,112 INFO L93 Difference]: Finished difference Result 709 states and 1261 transitions. [2019-10-22 09:03:04,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:03:04,113 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 45 [2019-10-22 09:03:04,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:03:04,131 INFO L225 Difference]: With dead ends: 709 [2019-10-22 09:03:04,131 INFO L226 Difference]: Without dead ends: 421 [2019-10-22 09:03:04,135 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 09:03:04,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2019-10-22 09:03:04,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 282. [2019-10-22 09:03:04,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2019-10-22 09:03:04,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 432 transitions. [2019-10-22 09:03:04,203 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 432 transitions. Word has length 45 [2019-10-22 09:03:04,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:03:04,203 INFO L462 AbstractCegarLoop]: Abstraction has 282 states and 432 transitions. [2019-10-22 09:03:04,203 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:03:04,206 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 432 transitions. [2019-10-22 09:03:04,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-10-22 09:03:04,208 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:03:04,209 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 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 09:03:04,209 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:03:04,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:03:04,209 INFO L82 PathProgramCache]: Analyzing trace with hash 5391356, now seen corresponding path program 1 times [2019-10-22 09:03:04,209 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:03:04,209 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800068114] [2019-10-22 09:03:04,210 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:04,210 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:04,210 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:03:04,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:03:04,520 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 37 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:03:04,520 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800068114] [2019-10-22 09:03:04,521 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [684058400] [2019-10-22 09:03:04,521 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_18385883-d9fc-4600-8903-4bf0550cb64a/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 09:03:04,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:03:04,578 INFO L256 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 09:03:04,586 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:03:04,632 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2019-10-22 09:03:04,632 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-22 09:03:04,632 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2019-10-22 09:03:04,633 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801813675] [2019-10-22 09:03:04,634 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:03:04,634 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:03:04,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:03:04,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 09:03:04,635 INFO L87 Difference]: Start difference. First operand 282 states and 432 transitions. Second operand 3 states. [2019-10-22 09:03:05,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:03:05,134 INFO L93 Difference]: Finished difference Result 562 states and 862 transitions. [2019-10-22 09:03:05,135 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:03:05,135 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 111 [2019-10-22 09:03:05,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:03:05,138 INFO L225 Difference]: With dead ends: 562 [2019-10-22 09:03:05,138 INFO L226 Difference]: Without dead ends: 560 [2019-10-22 09:03:05,139 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 09:03:05,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2019-10-22 09:03:05,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 282. [2019-10-22 09:03:05,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2019-10-22 09:03:05,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 432 transitions. [2019-10-22 09:03:05,155 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 432 transitions. Word has length 111 [2019-10-22 09:03:05,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:03:05,155 INFO L462 AbstractCegarLoop]: Abstraction has 282 states and 432 transitions. [2019-10-22 09:03:05,155 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:03:05,156 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 432 transitions. [2019-10-22 09:03:05,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-10-22 09:03:05,159 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:03:05,159 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:03:05,360 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:03:05,360 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:03:05,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:03:05,361 INFO L82 PathProgramCache]: Analyzing trace with hash 305911779, now seen corresponding path program 1 times [2019-10-22 09:03:05,361 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:03:05,361 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125510891] [2019-10-22 09:03:05,361 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:05,361 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:05,361 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:03:05,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:03:05,507 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:03:05,507 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125510891] [2019-10-22 09:03:05,508 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:03:05,508 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:03:05,508 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80357335] [2019-10-22 09:03:05,509 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:03:05,510 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:03:05,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:03:05,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:03:05,511 INFO L87 Difference]: Start difference. First operand 282 states and 432 transitions. Second operand 4 states. [2019-10-22 09:03:06,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:03:06,284 INFO L93 Difference]: Finished difference Result 840 states and 1290 transitions. [2019-10-22 09:03:06,284 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:03:06,284 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 166 [2019-10-22 09:03:06,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:03:06,286 INFO L225 Difference]: With dead ends: 840 [2019-10-22 09:03:06,287 INFO L226 Difference]: Without dead ends: 560 [2019-10-22 09:03:06,288 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 09:03:06,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2019-10-22 09:03:06,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 421. [2019-10-22 09:03:06,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2019-10-22 09:03:06,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 596 transitions. [2019-10-22 09:03:06,311 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 596 transitions. Word has length 166 [2019-10-22 09:03:06,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:03:06,312 INFO L462 AbstractCegarLoop]: Abstraction has 421 states and 596 transitions. [2019-10-22 09:03:06,312 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:03:06,312 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 596 transitions. [2019-10-22 09:03:06,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-10-22 09:03:06,317 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:03:06,317 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:03:06,318 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:03:06,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:03:06,318 INFO L82 PathProgramCache]: Analyzing trace with hash 231637281, now seen corresponding path program 1 times [2019-10-22 09:03:06,318 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:03:06,318 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839280633] [2019-10-22 09:03:06,319 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:06,319 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:06,319 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:03:06,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:03:06,681 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:03:06,682 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839280633] [2019-10-22 09:03:06,682 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:03:06,682 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 09:03:06,682 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506915048] [2019-10-22 09:03:06,683 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-22 09:03:06,683 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:03:06,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-22 09:03:06,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-10-22 09:03:06,683 INFO L87 Difference]: Start difference. First operand 421 states and 596 transitions. Second operand 7 states. [2019-10-22 09:03:07,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:03:07,431 INFO L93 Difference]: Finished difference Result 990 states and 1390 transitions. [2019-10-22 09:03:07,431 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 09:03:07,431 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 177 [2019-10-22 09:03:07,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:03:07,433 INFO L225 Difference]: With dead ends: 990 [2019-10-22 09:03:07,434 INFO L226 Difference]: Without dead ends: 571 [2019-10-22 09:03:07,435 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2019-10-22 09:03:07,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2019-10-22 09:03:07,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 560. [2019-10-22 09:03:07,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2019-10-22 09:03:07,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 740 transitions. [2019-10-22 09:03:07,447 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 740 transitions. Word has length 177 [2019-10-22 09:03:07,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:03:07,447 INFO L462 AbstractCegarLoop]: Abstraction has 560 states and 740 transitions. [2019-10-22 09:03:07,447 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-22 09:03:07,448 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 740 transitions. [2019-10-22 09:03:07,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2019-10-22 09:03:07,451 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:03:07,452 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:03:07,452 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:03:07,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:03:07,452 INFO L82 PathProgramCache]: Analyzing trace with hash 1594537044, now seen corresponding path program 1 times [2019-10-22 09:03:07,452 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:03:07,453 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645235113] [2019-10-22 09:03:07,453 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:07,453 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:07,453 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:03:07,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:03:07,617 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:03:07,617 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645235113] [2019-10-22 09:03:07,618 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:03:07,618 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 09:03:07,618 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229501813] [2019-10-22 09:03:07,618 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:03:07,619 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:03:07,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:03:07,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:03:07,619 INFO L87 Difference]: Start difference. First operand 560 states and 740 transitions. Second operand 4 states. [2019-10-22 09:03:08,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:03:08,334 INFO L93 Difference]: Finished difference Result 1535 states and 2116 transitions. [2019-10-22 09:03:08,334 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:03:08,335 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 243 [2019-10-22 09:03:08,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:03:08,339 INFO L225 Difference]: With dead ends: 1535 [2019-10-22 09:03:08,339 INFO L226 Difference]: Without dead ends: 1116 [2019-10-22 09:03:08,341 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:03:08,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2019-10-22 09:03:08,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1116. [2019-10-22 09:03:08,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2019-10-22 09:03:08,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1397 transitions. [2019-10-22 09:03:08,363 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1397 transitions. Word has length 243 [2019-10-22 09:03:08,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:03:08,364 INFO L462 AbstractCegarLoop]: Abstraction has 1116 states and 1397 transitions. [2019-10-22 09:03:08,365 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:03:08,365 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1397 transitions. [2019-10-22 09:03:08,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2019-10-22 09:03:08,369 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:03:08,369 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:03:08,369 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:03:08,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:03:08,370 INFO L82 PathProgramCache]: Analyzing trace with hash 2124387304, now seen corresponding path program 1 times [2019-10-22 09:03:08,370 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:03:08,370 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076313778] [2019-10-22 09:03:08,370 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:08,370 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:08,370 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:03:08,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:03:08,517 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:03:08,518 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076313778] [2019-10-22 09:03:08,518 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:03:08,518 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 09:03:08,518 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103952419] [2019-10-22 09:03:08,519 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 09:03:08,519 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:03:08,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 09:03:08,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:03:08,520 INFO L87 Difference]: Start difference. First operand 1116 states and 1397 transitions. Second operand 5 states. [2019-10-22 09:03:09,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:03:09,514 INFO L93 Difference]: Finished difference Result 3064 states and 3862 transitions. [2019-10-22 09:03:09,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 09:03:09,515 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 252 [2019-10-22 09:03:09,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:03:09,518 INFO L225 Difference]: With dead ends: 3064 [2019-10-22 09:03:09,518 INFO L226 Difference]: Without dead ends: 977 [2019-10-22 09:03:09,520 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:03:09,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2019-10-22 09:03:09,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977. [2019-10-22 09:03:09,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2019-10-22 09:03:09,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1091 transitions. [2019-10-22 09:03:09,536 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1091 transitions. Word has length 252 [2019-10-22 09:03:09,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:03:09,537 INFO L462 AbstractCegarLoop]: Abstraction has 977 states and 1091 transitions. [2019-10-22 09:03:09,537 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 09:03:09,537 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1091 transitions. [2019-10-22 09:03:09,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2019-10-22 09:03:09,541 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:03:09,542 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:03:09,542 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:03:09,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:03:09,542 INFO L82 PathProgramCache]: Analyzing trace with hash 1058413162, now seen corresponding path program 1 times [2019-10-22 09:03:09,542 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:03:09,543 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428236382] [2019-10-22 09:03:09,543 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:09,543 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:09,543 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:03:09,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:03:09,935 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 328 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:03:09,935 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428236382] [2019-10-22 09:03:09,935 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [344147011] [2019-10-22 09:03:09,935 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_18385883-d9fc-4600-8903-4bf0550cb64a/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:03:10,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:03:10,019 INFO L256 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 09:03:10,032 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:03:10,124 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 306 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2019-10-22 09:03:10,124 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-22 09:03:10,124 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2019-10-22 09:03:10,125 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384202937] [2019-10-22 09:03:10,125 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:03:10,126 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:03:10,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:03:10,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-22 09:03:10,127 INFO L87 Difference]: Start difference. First operand 977 states and 1091 transitions. Second operand 3 states. [2019-10-22 09:03:10,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:03:10,533 INFO L93 Difference]: Finished difference Result 2369 states and 2695 transitions. [2019-10-22 09:03:10,533 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:03:10,533 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 345 [2019-10-22 09:03:10,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:03:10,538 INFO L225 Difference]: With dead ends: 2369 [2019-10-22 09:03:10,538 INFO L226 Difference]: Without dead ends: 1533 [2019-10-22 09:03:10,540 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 344 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-22 09:03:10,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1533 states. [2019-10-22 09:03:10,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1533 to 1533. [2019-10-22 09:03:10,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1533 states. [2019-10-22 09:03:10,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1533 states to 1533 states and 1696 transitions. [2019-10-22 09:03:10,571 INFO L78 Accepts]: Start accepts. Automaton has 1533 states and 1696 transitions. Word has length 345 [2019-10-22 09:03:10,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:03:10,572 INFO L462 AbstractCegarLoop]: Abstraction has 1533 states and 1696 transitions. [2019-10-22 09:03:10,572 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:03:10,572 INFO L276 IsEmpty]: Start isEmpty. Operand 1533 states and 1696 transitions. [2019-10-22 09:03:10,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2019-10-22 09:03:10,579 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:03:10,579 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:03:10,780 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:03:10,780 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:03:10,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:03:10,780 INFO L82 PathProgramCache]: Analyzing trace with hash 1761855630, now seen corresponding path program 1 times [2019-10-22 09:03:10,781 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:03:10,781 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566017866] [2019-10-22 09:03:10,781 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:10,781 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:10,781 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:03:10,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:03:11,104 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 107 proven. 278 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-22 09:03:11,104 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566017866] [2019-10-22 09:03:11,104 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1042052860] [2019-10-22 09:03:11,104 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_18385883-d9fc-4600-8903-4bf0550cb64a/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:03:11,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:03:11,169 INFO L256 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 09:03:11,174 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:03:11,235 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2019-10-22 09:03:11,235 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-22 09:03:11,235 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2019-10-22 09:03:11,235 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118057689] [2019-10-22 09:03:11,236 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:03:11,236 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:03:11,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:03:11,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-22 09:03:11,236 INFO L87 Difference]: Start difference. First operand 1533 states and 1696 transitions. Second operand 3 states. [2019-10-22 09:03:11,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:03:11,608 INFO L93 Difference]: Finished difference Result 3342 states and 3713 transitions. [2019-10-22 09:03:11,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:03:11,608 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 358 [2019-10-22 09:03:11,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:03:11,612 INFO L225 Difference]: With dead ends: 3342 [2019-10-22 09:03:11,612 INFO L226 Difference]: Without dead ends: 1811 [2019-10-22 09:03:11,614 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 366 GetRequests, 358 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-22 09:03:11,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1811 states. [2019-10-22 09:03:11,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1811 to 1811. [2019-10-22 09:03:11,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1811 states. [2019-10-22 09:03:11,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1811 states to 1811 states and 1991 transitions. [2019-10-22 09:03:11,640 INFO L78 Accepts]: Start accepts. Automaton has 1811 states and 1991 transitions. Word has length 358 [2019-10-22 09:03:11,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:03:11,640 INFO L462 AbstractCegarLoop]: Abstraction has 1811 states and 1991 transitions. [2019-10-22 09:03:11,641 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:03:11,641 INFO L276 IsEmpty]: Start isEmpty. Operand 1811 states and 1991 transitions. [2019-10-22 09:03:11,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2019-10-22 09:03:11,647 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:03:11,647 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:03:11,847 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:03:11,848 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:03:11,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:03:11,848 INFO L82 PathProgramCache]: Analyzing trace with hash -641347779, now seen corresponding path program 1 times [2019-10-22 09:03:11,848 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:03:11,848 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95062185] [2019-10-22 09:03:11,848 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:11,849 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:03:11,849 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:03:11,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:03:12,014 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2019-10-22 09:03:12,018 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95062185] [2019-10-22 09:03:12,019 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:03:12,019 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 09:03:12,019 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966925490] [2019-10-22 09:03:12,019 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:03:12,019 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:03:12,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:03:12,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:03:12,020 INFO L87 Difference]: Start difference. First operand 1811 states and 1991 transitions. Second operand 4 states. [2019-10-22 09:03:12,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:03:12,637 INFO L93 Difference]: Finished difference Result 3757 states and 4162 transitions. [2019-10-22 09:03:12,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:03:12,638 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 359 [2019-10-22 09:03:12,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:03:12,638 INFO L225 Difference]: With dead ends: 3757 [2019-10-22 09:03:12,638 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 09:03:12,641 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 09:03:12,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 09:03:12,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 09:03:12,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 09:03:12,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 09:03:12,643 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 359 [2019-10-22 09:03:12,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:03:12,643 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:03:12,643 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:03:12,643 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 09:03:12,643 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 09:03:12,649 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 09:03:12,903 INFO L443 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2019-10-22 09:03:12,904 INFO L443 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:03:12,904 INFO L443 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:03:12,904 INFO L443 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:03:12,904 INFO L443 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:03:12,904 INFO L443 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:03:12,904 INFO L443 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:03:12,904 INFO L443 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2019-10-22 09:03:12,904 INFO L443 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2019-10-22 09:03:12,904 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-10-22 09:03:12,904 INFO L443 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-10-22 09:03:12,904 INFO L443 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-10-22 09:03:12,904 INFO L443 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-10-22 09:03:12,904 INFO L443 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2019-10-22 09:03:12,904 INFO L443 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-10-22 09:03:12,905 INFO L443 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2019-10-22 09:03:12,905 INFO L443 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2019-10-22 09:03:12,905 INFO L443 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2019-10-22 09:03:12,905 INFO L443 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:03:12,905 INFO L443 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:03:12,905 INFO L443 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:03:12,905 INFO L443 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:03:12,905 INFO L443 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:03:12,905 INFO L443 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2019-10-22 09:03:12,905 INFO L443 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2019-10-22 09:03:12,905 INFO L443 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2019-10-22 09:03:12,905 INFO L443 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2019-10-22 09:03:12,905 INFO L443 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-10-22 09:03:12,905 INFO L443 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-10-22 09:03:12,905 INFO L443 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2019-10-22 09:03:12,905 INFO L443 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-10-22 09:03:12,906 INFO L443 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2019-10-22 09:03:12,906 INFO L443 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2019-10-22 09:03:12,906 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2019-10-22 09:03:12,906 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 139) no Hoare annotation was computed. [2019-10-22 09:03:12,906 INFO L443 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2019-10-22 09:03:12,906 INFO L443 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2019-10-22 09:03:12,906 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2019-10-22 09:03:12,906 INFO L443 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:03:12,906 INFO L443 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:03:12,906 INFO L443 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:03:12,906 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:03:12,906 INFO L443 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:03:12,906 INFO L443 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2019-10-22 09:03:12,906 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-10-22 09:03:12,906 INFO L443 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-10-22 09:03:12,907 INFO L443 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-10-22 09:03:12,907 INFO L443 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2019-10-22 09:03:12,907 INFO L443 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-10-22 09:03:12,907 INFO L439 ceAbstractionStarter]: At program point L573(lines 20 574) the Hoare annotation is: (let ((.cse0 (or (< 0 (+ ~a1~0 13)) (<= 9 ~a19~0)))) (or (<= 4 ~a10~0) (= ~a10~0 0) (and (= ~a19~0 8) (not (= ~a10~0 1))) (and (not (= ~a10~0 2)) .cse0) (and .cse0 (not (= 10 ~a19~0))))) [2019-10-22 09:03:12,907 INFO L443 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2019-10-22 09:03:12,907 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2019-10-22 09:03:12,907 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2019-10-22 09:03:12,907 INFO L443 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2019-10-22 09:03:12,907 INFO L443 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:03:12,907 INFO L443 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:03:12,910 INFO L443 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:03:12,911 INFO L443 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:03:12,911 INFO L443 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:03:12,911 INFO L443 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2019-10-22 09:03:12,911 INFO L443 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2019-10-22 09:03:12,911 INFO L443 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2019-10-22 09:03:12,911 INFO L443 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2019-10-22 09:03:12,911 INFO L443 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-10-22 09:03:12,911 INFO L443 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-10-22 09:03:12,911 INFO L443 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-10-22 09:03:12,911 INFO L443 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2019-10-22 09:03:12,912 INFO L443 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2019-10-22 09:03:12,912 INFO L443 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2019-10-22 09:03:12,912 INFO L446 ceAbstractionStarter]: At program point L576(lines 576 592) the Hoare annotation is: true [2019-10-22 09:03:12,912 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2019-10-22 09:03:12,912 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2019-10-22 09:03:12,912 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2019-10-22 09:03:12,912 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:03:12,912 INFO L443 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:03:12,912 INFO L443 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:03:12,912 INFO L443 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:03:12,912 INFO L443 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:03:12,913 INFO L443 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-10-22 09:03:12,913 INFO L443 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-10-22 09:03:12,913 INFO L443 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-10-22 09:03:12,913 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-10-22 09:03:12,913 INFO L443 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2019-10-22 09:03:12,913 INFO L443 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2019-10-22 09:03:12,913 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2019-10-22 09:03:12,913 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2019-10-22 09:03:12,913 INFO L443 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2019-10-22 09:03:12,913 INFO L443 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:03:12,913 INFO L443 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:03:12,913 INFO L443 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:03:12,913 INFO L443 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:03:12,913 INFO L443 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:03:12,913 INFO L443 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2019-10-22 09:03:12,913 INFO L443 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2019-10-22 09:03:12,914 INFO L443 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2019-10-22 09:03:12,914 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2019-10-22 09:03:12,914 INFO L443 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-10-22 09:03:12,914 INFO L443 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-10-22 09:03:12,914 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-10-22 09:03:12,914 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-10-22 09:03:12,914 INFO L443 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-10-22 09:03:12,914 INFO L443 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2019-10-22 09:03:12,914 INFO L443 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2019-10-22 09:03:12,914 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 09:03:12,914 INFO L443 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2019-10-22 09:03:12,914 INFO L439 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (or (< 0 (+ ~a1~0 13)) (<= 9 ~a19~0)))) (or (<= 4 ~a10~0) (= ~a10~0 0) (and (= ~a19~0 8) (not (= ~a10~0 1))) (and (not (= ~a10~0 2)) .cse0) (and .cse0 (not (= 10 ~a19~0))))) [2019-10-22 09:03:12,914 INFO L443 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2019-10-22 09:03:12,914 INFO L443 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:03:12,914 INFO L443 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:03:12,915 INFO L443 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:03:12,915 INFO L443 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:03:12,915 INFO L443 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-10-22 09:03:12,915 INFO L443 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:03:12,915 INFO L443 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:03:12,915 INFO L443 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2019-10-22 09:03:12,915 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2019-10-22 09:03:12,915 INFO L443 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2019-10-22 09:03:12,915 INFO L443 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-10-22 09:03:12,915 INFO L443 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-10-22 09:03:12,915 INFO L443 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-10-22 09:03:12,915 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-10-22 09:03:12,915 INFO L443 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-10-22 09:03:12,915 INFO L443 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-10-22 09:03:12,915 INFO L443 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2019-10-22 09:03:12,919 INFO L443 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2019-10-22 09:03:12,919 INFO L443 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2019-10-22 09:03:12,919 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2019-10-22 09:03:12,920 INFO L443 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:03:12,920 INFO L443 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:03:12,920 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:03:12,920 INFO L443 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:03:12,920 INFO L443 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:03:12,920 INFO L443 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:03:12,921 INFO L443 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2019-10-22 09:03:12,921 INFO L443 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2019-10-22 09:03:12,921 INFO L443 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2019-10-22 09:03:12,921 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 09:03:12,921 INFO L443 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-10-22 09:03:12,921 INFO L443 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-10-22 09:03:12,921 INFO L443 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-10-22 09:03:12,921 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-22 09:03:12,921 INFO L443 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2019-10-22 09:03:12,921 INFO L443 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-10-22 09:03:12,921 INFO L443 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2019-10-22 09:03:12,921 INFO L443 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2019-10-22 09:03:12,921 INFO L443 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2019-10-22 09:03:12,921 INFO L443 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2019-10-22 09:03:12,922 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2019-10-22 09:03:12,922 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2019-10-22 09:03:12,922 INFO L443 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:03:12,922 INFO L443 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:03:12,922 INFO L443 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:03:12,922 INFO L443 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:03:12,922 INFO L443 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:03:12,922 INFO L443 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:03:12,922 INFO L443 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2019-10-22 09:03:12,922 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-10-22 09:03:12,922 INFO L443 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-10-22 09:03:12,922 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-10-22 09:03:12,922 INFO L443 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-10-22 09:03:12,922 INFO L443 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2019-10-22 09:03:12,923 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 09:03:12,923 INFO L443 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-10-22 09:03:12,923 INFO L443 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2019-10-22 09:03:12,923 INFO L443 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2019-10-22 09:03:12,923 INFO L443 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2019-10-22 09:03:12,923 INFO L443 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2019-10-22 09:03:12,923 INFO L443 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2019-10-22 09:03:12,923 INFO L443 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2019-10-22 09:03:12,923 INFO L443 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:03:12,923 INFO L443 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:03:12,923 INFO L443 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:03:12,923 INFO L443 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:03:12,923 INFO L443 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:03:12,923 INFO L443 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:03:12,924 INFO L443 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2019-10-22 09:03:12,924 INFO L443 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2019-10-22 09:03:12,924 INFO L443 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2019-10-22 09:03:12,924 INFO L443 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-10-22 09:03:12,925 INFO L443 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-10-22 09:03:12,925 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-10-22 09:03:12,925 INFO L443 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-10-22 09:03:12,925 INFO L443 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2019-10-22 09:03:12,925 INFO L443 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-10-22 09:03:12,925 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2019-10-22 09:03:12,925 INFO L443 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2019-10-22 09:03:12,925 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 09:03:12,925 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2019-10-22 09:03:12,925 INFO L443 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:03:12,925 INFO L443 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:03:12,925 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:03:12,925 INFO L443 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:03:12,925 INFO L443 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:03:12,925 INFO L443 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2019-10-22 09:03:12,925 INFO L443 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2019-10-22 09:03:12,926 INFO L443 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2019-10-22 09:03:12,926 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2019-10-22 09:03:12,926 INFO L443 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-10-22 09:03:12,926 INFO L443 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-10-22 09:03:12,926 INFO L443 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-10-22 09:03:12,926 INFO L443 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-10-22 09:03:12,926 INFO L443 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-10-22 09:03:12,926 INFO L443 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-10-22 09:03:12,926 INFO L443 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2019-10-22 09:03:12,926 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2019-10-22 09:03:12,926 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2019-10-22 09:03:12,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 09:03:12 BoogieIcfgContainer [2019-10-22 09:03:12,944 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 09:03:12,944 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:03:12,944 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:03:12,945 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:03:12,945 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:03:02" (3/4) ... [2019-10-22 09:03:12,948 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 09:03:12,963 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 09:03:12,964 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 09:03:13,091 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_18385883-d9fc-4600-8903-4bf0550cb64a/bin/uautomizer/witness.graphml [2019-10-22 09:03:13,091 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:03:13,093 INFO L168 Benchmark]: Toolchain (without parser) took 12853.59 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 596.1 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -183.3 MB). Peak memory consumption was 412.8 MB. Max. memory is 11.5 GB. [2019-10-22 09:03:13,093 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:03:13,093 INFO L168 Benchmark]: CACSL2BoogieTranslator took 638.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.3 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -194.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2019-10-22 09:03:13,093 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-10-22 09:03:13,094 INFO L168 Benchmark]: Boogie Preprocessor took 84.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-10-22 09:03:13,094 INFO L168 Benchmark]: RCFGBuilder took 1151.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 106.7 MB). Peak memory consumption was 106.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:03:13,094 INFO L168 Benchmark]: TraceAbstraction took 10739.54 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 426.8 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -142.5 MB). Peak memory consumption was 284.3 MB. Max. memory is 11.5 GB. [2019-10-22 09:03:13,094 INFO L168 Benchmark]: Witness Printer took 146.63 ms. Allocated memory is still 1.6 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 34.1 MB). Peak memory consumption was 34.1 MB. Max. memory is 11.5 GB. [2019-10-22 09:03:13,099 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 638.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.3 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -194.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 88.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 84.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1151.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 106.7 MB). Peak memory consumption was 106.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10739.54 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 426.8 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -142.5 MB). Peak memory consumption was 284.3 MB. Max. memory is 11.5 GB. * Witness Printer took 146.63 ms. Allocated memory is still 1.6 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 34.1 MB). Peak memory consumption was 34.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 139]: 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: 582]: Loop Invariant Derived loop invariant: (((4 <= a10 || a10 == 0) || (a19 == 8 && !(a10 == 1))) || (!(a10 == 2) && (0 < a1 + 13 || 9 <= a19))) || ((0 < a1 + 13 || 9 <= a19) && !(10 == a19)) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((4 <= a10 || a10 == 0) || (a19 == 8 && !(a10 == 1))) || (!(a10 == 2) && (0 < a1 + 13 || 9 <= a19))) || ((0 < a1 + 13 || 9 <= a19) && !(10 == a19)) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 206 locations, 1 error locations. Result: SAFE, OverallTime: 10.6s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 6.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 815 SDtfs, 1724 SDslu, 101 SDs, 0 SdLazy, 6024 SolverSat, 932 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 861 GetRequests, 822 SyntacticMatches, 5 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1811occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 567 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 54 NumberOfFragments, 87 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2494 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 2520 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 2870 NumberOfCodeBlocks, 2870 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2858 ConstructedInterpolants, 0 QuantifiedInterpolants, 3167948 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1111 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 2092/2420 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...