./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label00_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ea563d15-e9d5-473c-a4c7-adf91b8c7235/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ea563d15-e9d5-473c-a4c7-adf91b8c7235/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ea563d15-e9d5-473c-a4c7-adf91b8c7235/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ea563d15-e9d5-473c-a4c7-adf91b8c7235/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label00_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ea563d15-e9d5-473c-a4c7-adf91b8c7235/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ea563d15-e9d5-473c-a4c7-adf91b8c7235/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0db867b83f4df60c5aafa7e1ef5bcec7ce49962a ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 16:56:17,312 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 16:56:17,313 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 16:56:17,319 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 16:56:17,319 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 16:56:17,320 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 16:56:17,320 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 16:56:17,321 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 16:56:17,322 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 16:56:17,322 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 16:56:17,323 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 16:56:17,323 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 16:56:17,323 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 16:56:17,324 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 16:56:17,324 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 16:56:17,325 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 16:56:17,325 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 16:56:17,326 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 16:56:17,327 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 16:56:17,327 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 16:56:17,328 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 16:56:17,329 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 16:56:17,330 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 16:56:17,330 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 16:56:17,330 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 16:56:17,330 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 16:56:17,331 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 16:56:17,331 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 16:56:17,331 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 16:56:17,332 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 16:56:17,332 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 16:56:17,332 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 16:56:17,333 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 16:56:17,333 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 16:56:17,333 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 16:56:17,333 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 16:56:17,334 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ea563d15-e9d5-473c-a4c7-adf91b8c7235/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 16:56:17,341 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 16:56:17,341 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 16:56:17,341 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 16:56:17,341 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 16:56:17,342 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 16:56:17,342 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 16:56:17,342 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 16:56:17,342 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 16:56:17,342 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 16:56:17,342 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 16:56:17,342 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 16:56:17,342 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 16:56:17,342 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 16:56:17,343 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 16:56:17,343 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 16:56:17,343 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 16:56:17,343 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 16:56:17,343 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 16:56:17,343 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 16:56:17,343 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 16:56:17,343 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 16:56:17,343 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 16:56:17,343 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 16:56:17,343 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 16:56:17,344 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 16:56:17,344 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 16:56:17,344 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 16:56:17,344 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 16:56:17,344 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 16:56:17,344 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 16:56:17,344 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_ea563d15-e9d5-473c-a4c7-adf91b8c7235/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0db867b83f4df60c5aafa7e1ef5bcec7ce49962a [2018-12-08 16:56:17,361 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 16:56:17,368 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 16:56:17,370 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 16:56:17,371 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 16:56:17,371 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 16:56:17,371 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ea563d15-e9d5-473c-a4c7-adf91b8c7235/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem10_label00_true-unreach-call.c [2018-12-08 16:56:17,405 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ea563d15-e9d5-473c-a4c7-adf91b8c7235/bin-2019/uautomizer/data/158c3f29c/38f8a407cf244dac9279bc54a46c7e14/FLAGc9c1c5bcf [2018-12-08 16:56:17,883 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 16:56:17,883 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ea563d15-e9d5-473c-a4c7-adf91b8c7235/sv-benchmarks/c/eca-rers2012/Problem10_label00_true-unreach-call.c [2018-12-08 16:56:17,890 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ea563d15-e9d5-473c-a4c7-adf91b8c7235/bin-2019/uautomizer/data/158c3f29c/38f8a407cf244dac9279bc54a46c7e14/FLAGc9c1c5bcf [2018-12-08 16:56:17,899 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ea563d15-e9d5-473c-a4c7-adf91b8c7235/bin-2019/uautomizer/data/158c3f29c/38f8a407cf244dac9279bc54a46c7e14 [2018-12-08 16:56:17,901 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 16:56:17,902 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 16:56:17,902 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 16:56:17,902 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 16:56:17,904 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 16:56:17,905 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:56:17" (1/1) ... [2018-12-08 16:56:17,907 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c7a2c36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:56:17, skipping insertion in model container [2018-12-08 16:56:17,907 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:56:17" (1/1) ... [2018-12-08 16:56:17,913 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 16:56:17,943 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 16:56:18,127 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:56:18,129 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 16:56:18,213 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:56:18,222 INFO L195 MainTranslator]: Completed translation [2018-12-08 16:56:18,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:56:18 WrapperNode [2018-12-08 16:56:18,222 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 16:56:18,223 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 16:56:18,223 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 16:56:18,223 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 16:56:18,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:56:18" (1/1) ... [2018-12-08 16:56:18,237 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:56:18" (1/1) ... [2018-12-08 16:56:18,241 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 16:56:18,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 16:56:18,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 16:56:18,241 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 16:56:18,247 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:56:18" (1/1) ... [2018-12-08 16:56:18,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:56:18" (1/1) ... [2018-12-08 16:56:18,249 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:56:18" (1/1) ... [2018-12-08 16:56:18,250 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:56:18" (1/1) ... [2018-12-08 16:56:18,264 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:56:18" (1/1) ... [2018-12-08 16:56:18,272 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:56:18" (1/1) ... [2018-12-08 16:56:18,275 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:56:18" (1/1) ... [2018-12-08 16:56:18,279 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 16:56:18,279 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 16:56:18,279 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 16:56:18,280 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 16:56:18,280 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:56:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ea563d15-e9d5-473c-a4c7-adf91b8c7235/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 16:56:18,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 16:56:18,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 16:56:18,320 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-08 16:56:18,320 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-08 16:56:18,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 16:56:18,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 16:56:18,320 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 16:56:18,320 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 16:56:18,909 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 16:56:18,909 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-08 16:56:18,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:56:18 BoogieIcfgContainer [2018-12-08 16:56:18,910 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 16:56:18,911 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 16:56:18,911 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 16:56:18,913 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 16:56:18,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 04:56:17" (1/3) ... [2018-12-08 16:56:18,914 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50d4ed9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 04:56:18, skipping insertion in model container [2018-12-08 16:56:18,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:56:18" (2/3) ... [2018-12-08 16:56:18,914 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50d4ed9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 04:56:18, skipping insertion in model container [2018-12-08 16:56:18,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:56:18" (3/3) ... [2018-12-08 16:56:18,916 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label00_true-unreach-call.c [2018-12-08 16:56:18,924 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 16:56:18,930 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 16:56:18,943 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 16:56:18,969 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 16:56:18,970 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 16:56:18,970 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 16:56:18,970 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 16:56:18,970 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 16:56:18,970 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 16:56:18,970 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 16:56:18,970 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 16:56:18,970 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 16:56:18,986 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2018-12-08 16:56:18,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-08 16:56:18,991 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:56:18,991 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:56:18,993 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:56:18,996 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:56:18,996 INFO L82 PathProgramCache]: Analyzing trace with hash 446326894, now seen corresponding path program 1 times [2018-12-08 16:56:18,997 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:56:18,997 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:56:19,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:56:19,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:56:19,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:56:19,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:56:19,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:56:19,174 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:56:19,175 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 16:56:19,178 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 16:56:19,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 16:56:19,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 16:56:19,193 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 3 states. [2018-12-08 16:56:19,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:56:19,662 INFO L93 Difference]: Finished difference Result 571 states and 989 transitions. [2018-12-08 16:56:19,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 16:56:19,663 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-08 16:56:19,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:56:19,671 INFO L225 Difference]: With dead ends: 571 [2018-12-08 16:56:19,671 INFO L226 Difference]: Without dead ends: 294 [2018-12-08 16:56:19,674 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 16:56:19,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2018-12-08 16:56:19,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2018-12-08 16:56:19,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2018-12-08 16:56:19,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 446 transitions. [2018-12-08 16:56:19,710 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 446 transitions. Word has length 53 [2018-12-08 16:56:19,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:56:19,711 INFO L480 AbstractCegarLoop]: Abstraction has 294 states and 446 transitions. [2018-12-08 16:56:19,711 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 16:56:19,711 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 446 transitions. [2018-12-08 16:56:19,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-08 16:56:19,714 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:56:19,714 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:56:19,714 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:56:19,715 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:56:19,715 INFO L82 PathProgramCache]: Analyzing trace with hash -1014912959, now seen corresponding path program 1 times [2018-12-08 16:56:19,715 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:56:19,715 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:56:19,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:56:19,716 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:56:19,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:56:19,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:56:19,838 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:56:19,839 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:56:19,839 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 16:56:19,840 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 16:56:19,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 16:56:19,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-08 16:56:19,840 INFO L87 Difference]: Start difference. First operand 294 states and 446 transitions. Second operand 4 states. [2018-12-08 16:56:20,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:56:20,418 INFO L93 Difference]: Finished difference Result 1154 states and 1790 transitions. [2018-12-08 16:56:20,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 16:56:20,418 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 172 [2018-12-08 16:56:20,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:56:20,422 INFO L225 Difference]: With dead ends: 1154 [2018-12-08 16:56:20,422 INFO L226 Difference]: Without dead ends: 866 [2018-12-08 16:56:20,423 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-08 16:56:20,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 866 states. [2018-12-08 16:56:20,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 866 to 723. [2018-12-08 16:56:20,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 723 states. [2018-12-08 16:56:20,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 723 states and 1036 transitions. [2018-12-08 16:56:20,447 INFO L78 Accepts]: Start accepts. Automaton has 723 states and 1036 transitions. Word has length 172 [2018-12-08 16:56:20,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:56:20,448 INFO L480 AbstractCegarLoop]: Abstraction has 723 states and 1036 transitions. [2018-12-08 16:56:20,448 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 16:56:20,449 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 1036 transitions. [2018-12-08 16:56:20,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-08 16:56:20,452 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:56:20,452 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:56:20,453 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:56:20,453 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:56:20,453 INFO L82 PathProgramCache]: Analyzing trace with hash -1103795558, now seen corresponding path program 1 times [2018-12-08 16:56:20,453 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:56:20,453 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:56:20,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:56:20,454 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:56:20,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:56:20,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:56:20,593 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:56:20,593 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:56:20,593 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 16:56:20,593 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 16:56:20,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 16:56:20,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 16:56:20,594 INFO L87 Difference]: Start difference. First operand 723 states and 1036 transitions. Second operand 6 states. [2018-12-08 16:56:21,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:56:21,078 INFO L93 Difference]: Finished difference Result 1613 states and 2361 transitions. [2018-12-08 16:56:21,079 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 16:56:21,079 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 179 [2018-12-08 16:56:21,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:56:21,084 INFO L225 Difference]: With dead ends: 1613 [2018-12-08 16:56:21,084 INFO L226 Difference]: Without dead ends: 896 [2018-12-08 16:56:21,086 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-08 16:56:21,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 896 states. [2018-12-08 16:56:21,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 896 to 880. [2018-12-08 16:56:21,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 880 states. [2018-12-08 16:56:21,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 1167 transitions. [2018-12-08 16:56:21,113 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 1167 transitions. Word has length 179 [2018-12-08 16:56:21,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:56:21,114 INFO L480 AbstractCegarLoop]: Abstraction has 880 states and 1167 transitions. [2018-12-08 16:56:21,114 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 16:56:21,114 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1167 transitions. [2018-12-08 16:56:21,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-12-08 16:56:21,118 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:56:21,118 INFO L402 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, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:56:21,119 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:56:21,119 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:56:21,119 INFO L82 PathProgramCache]: Analyzing trace with hash -630428119, now seen corresponding path program 1 times [2018-12-08 16:56:21,119 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:56:21,119 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:56:21,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:56:21,120 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:56:21,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:56:21,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:56:21,277 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 92 proven. 65 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 16:56:21,278 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:56:21,278 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ea563d15-e9d5-473c-a4c7-adf91b8c7235/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:56:21,284 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:56:21,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:56:21,332 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:56:21,405 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-08 16:56:21,421 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 16:56:21,421 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2018-12-08 16:56:21,422 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 16:56:21,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 16:56:21,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-12-08 16:56:21,423 INFO L87 Difference]: Start difference. First operand 880 states and 1167 transitions. Second operand 9 states. [2018-12-08 16:56:22,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:56:22,536 INFO L93 Difference]: Finished difference Result 2712 states and 3851 transitions. [2018-12-08 16:56:22,536 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-12-08 16:56:22,537 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 248 [2018-12-08 16:56:22,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:56:22,545 INFO L225 Difference]: With dead ends: 2712 [2018-12-08 16:56:22,545 INFO L226 Difference]: Without dead ends: 1838 [2018-12-08 16:56:22,548 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 263 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=505, Unknown=0, NotChecked=0, Total=650 [2018-12-08 16:56:22,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2018-12-08 16:56:22,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1635. [2018-12-08 16:56:22,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1635 states. [2018-12-08 16:56:22,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1635 states to 1635 states and 2091 transitions. [2018-12-08 16:56:22,594 INFO L78 Accepts]: Start accepts. Automaton has 1635 states and 2091 transitions. Word has length 248 [2018-12-08 16:56:22,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:56:22,595 INFO L480 AbstractCegarLoop]: Abstraction has 1635 states and 2091 transitions. [2018-12-08 16:56:22,595 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 16:56:22,595 INFO L276 IsEmpty]: Start isEmpty. Operand 1635 states and 2091 transitions. [2018-12-08 16:56:22,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-12-08 16:56:22,599 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:56:22,599 INFO L402 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, 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] [2018-12-08 16:56:22,599 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:56:22,599 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:56:22,599 INFO L82 PathProgramCache]: Analyzing trace with hash 144192093, now seen corresponding path program 1 times [2018-12-08 16:56:22,599 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:56:22,599 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:56:22,600 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:56:22,600 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:56:22,600 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:56:22,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:56:22,731 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 169 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:56:22,731 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:56:22,731 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ea563d15-e9d5-473c-a4c7-adf91b8c7235/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:56:22,739 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:56:22,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:56:22,788 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:56:22,853 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 169 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:56:22,868 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 16:56:22,868 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-12-08 16:56:22,869 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 16:56:22,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 16:56:22,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-12-08 16:56:22,869 INFO L87 Difference]: Start difference. First operand 1635 states and 2091 transitions. Second operand 9 states. [2018-12-08 16:56:23,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:56:23,942 INFO L93 Difference]: Finished difference Result 5504 states and 7987 transitions. [2018-12-08 16:56:23,942 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-08 16:56:23,942 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 258 [2018-12-08 16:56:23,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:56:23,950 INFO L225 Difference]: With dead ends: 5504 [2018-12-08 16:56:23,950 INFO L226 Difference]: Without dead ends: 2337 [2018-12-08 16:56:23,966 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2018-12-08 16:56:23,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2337 states. [2018-12-08 16:56:24,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2337 to 2154. [2018-12-08 16:56:24,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2154 states. [2018-12-08 16:56:24,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2154 states to 2154 states and 2831 transitions. [2018-12-08 16:56:24,022 INFO L78 Accepts]: Start accepts. Automaton has 2154 states and 2831 transitions. Word has length 258 [2018-12-08 16:56:24,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:56:24,022 INFO L480 AbstractCegarLoop]: Abstraction has 2154 states and 2831 transitions. [2018-12-08 16:56:24,022 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 16:56:24,022 INFO L276 IsEmpty]: Start isEmpty. Operand 2154 states and 2831 transitions. [2018-12-08 16:56:24,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2018-12-08 16:56:24,027 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:56:24,028 INFO L402 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, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-08 16:56:24,028 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:56:24,028 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:56:24,028 INFO L82 PathProgramCache]: Analyzing trace with hash 56197093, now seen corresponding path program 1 times [2018-12-08 16:56:24,028 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:56:24,028 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:56:24,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:56:24,029 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:56:24,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:56:24,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:56:24,138 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 93 proven. 46 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-08 16:56:24,138 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:56:24,138 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ea563d15-e9d5-473c-a4c7-adf91b8c7235/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:56:24,144 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:56:24,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:56:24,186 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:56:24,244 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 205 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:56:24,259 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 16:56:24,259 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-12-08 16:56:24,260 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 16:56:24,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 16:56:24,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-12-08 16:56:24,260 INFO L87 Difference]: Start difference. First operand 2154 states and 2831 transitions. Second operand 9 states. [2018-12-08 16:56:24,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:56:24,651 INFO L93 Difference]: Finished difference Result 4365 states and 5591 transitions. [2018-12-08 16:56:24,652 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 16:56:24,652 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 294 [2018-12-08 16:56:24,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:56:24,657 INFO L225 Difference]: With dead ends: 4365 [2018-12-08 16:56:24,657 INFO L226 Difference]: Without dead ends: 2257 [2018-12-08 16:56:24,660 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 294 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2018-12-08 16:56:24,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2257 states. [2018-12-08 16:56:24,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2257 to 2217. [2018-12-08 16:56:24,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2217 states. [2018-12-08 16:56:24,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2217 states to 2217 states and 2700 transitions. [2018-12-08 16:56:24,687 INFO L78 Accepts]: Start accepts. Automaton has 2217 states and 2700 transitions. Word has length 294 [2018-12-08 16:56:24,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:56:24,687 INFO L480 AbstractCegarLoop]: Abstraction has 2217 states and 2700 transitions. [2018-12-08 16:56:24,687 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 16:56:24,687 INFO L276 IsEmpty]: Start isEmpty. Operand 2217 states and 2700 transitions. [2018-12-08 16:56:24,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2018-12-08 16:56:24,692 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:56:24,692 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1] [2018-12-08 16:56:24,692 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:56:24,692 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:56:24,693 INFO L82 PathProgramCache]: Analyzing trace with hash -1590550523, now seen corresponding path program 1 times [2018-12-08 16:56:24,693 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:56:24,693 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:56:24,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:56:24,693 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:56:24,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:56:24,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:56:24,840 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 326 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-12-08 16:56:24,840 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:56:24,840 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ea563d15-e9d5-473c-a4c7-adf91b8c7235/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:56:24,848 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:56:24,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:56:24,903 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:56:24,957 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 326 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-12-08 16:56:24,982 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 16:56:24,982 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2018-12-08 16:56:24,983 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 16:56:24,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 16:56:24,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-08 16:56:24,983 INFO L87 Difference]: Start difference. First operand 2217 states and 2700 transitions. Second operand 6 states. [2018-12-08 16:56:25,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:56:25,568 INFO L93 Difference]: Finished difference Result 5114 states and 6668 transitions. [2018-12-08 16:56:25,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-08 16:56:25,568 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 366 [2018-12-08 16:56:25,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:56:25,575 INFO L225 Difference]: With dead ends: 5114 [2018-12-08 16:56:25,575 INFO L226 Difference]: Without dead ends: 3046 [2018-12-08 16:56:25,578 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 378 GetRequests, 369 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-12-08 16:56:25,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3046 states. [2018-12-08 16:56:25,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3046 to 2807. [2018-12-08 16:56:25,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2807 states. [2018-12-08 16:56:25,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2807 states to 2807 states and 3400 transitions. [2018-12-08 16:56:25,615 INFO L78 Accepts]: Start accepts. Automaton has 2807 states and 3400 transitions. Word has length 366 [2018-12-08 16:56:25,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:56:25,615 INFO L480 AbstractCegarLoop]: Abstraction has 2807 states and 3400 transitions. [2018-12-08 16:56:25,615 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 16:56:25,615 INFO L276 IsEmpty]: Start isEmpty. Operand 2807 states and 3400 transitions. [2018-12-08 16:56:25,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2018-12-08 16:56:25,619 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:56:25,619 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1] [2018-12-08 16:56:25,619 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:56:25,619 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:56:25,619 INFO L82 PathProgramCache]: Analyzing trace with hash 535317214, now seen corresponding path program 1 times [2018-12-08 16:56:25,619 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 16:56:25,619 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 16:56:25,620 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:56:25,620 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:56:25,620 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:56:25,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:56:25,742 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 339 proven. 2 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-12-08 16:56:25,742 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:56:25,742 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ea563d15-e9d5-473c-a4c7-adf91b8c7235/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:56:25,751 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:56:25,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:56:25,807 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:56:25,944 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2018-12-08 16:56:25,969 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 16:56:25,969 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2018-12-08 16:56:25,969 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 16:56:25,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 16:56:25,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 16:56:25,970 INFO L87 Difference]: Start difference. First operand 2807 states and 3400 transitions. Second operand 6 states. [2018-12-08 16:56:27,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:56:27,185 INFO L93 Difference]: Finished difference Result 6447 states and 8215 transitions. [2018-12-08 16:56:27,186 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-08 16:56:27,186 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 379 [2018-12-08 16:56:27,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:56:27,186 INFO L225 Difference]: With dead ends: 6447 [2018-12-08 16:56:27,186 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 16:56:27,193 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 393 GetRequests, 384 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2018-12-08 16:56:27,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 16:56:27,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 16:56:27,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 16:56:27,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 16:56:27,193 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 379 [2018-12-08 16:56:27,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:56:27,194 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 16:56:27,194 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 16:56:27,194 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 16:56:27,194 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 16:56:27,197 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 16:56:27,267 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:56:27,268 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:56:27,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:56:27,322 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:56:27,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:56:27,333 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:56:27,342 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:56:27,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:56:27,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:56:27,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:56:27,420 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 154 [2018-12-08 16:56:27,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:56:27,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:56:27,437 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:56:27,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:56:27,488 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:56:27,489 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:56:27,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:56:27,512 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:56:27,522 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:56:27,526 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:56:27,553 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 154 [2018-12-08 16:56:27,850 WARN L180 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 53 [2018-12-08 16:56:28,163 WARN L180 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 52 [2018-12-08 16:56:28,489 WARN L180 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 52 [2018-12-08 16:56:28,490 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 16:56:28,491 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a19~0)| ~a19~0) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)) [2018-12-08 16:56:28,491 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 16:56:28,491 INFO L448 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-12-08 16:56:28,491 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 16:56:28,491 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 16:56:28,491 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 16:56:28,491 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 16:56:28,491 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 16:56:28,491 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 16:56:28,491 INFO L448 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-12-08 16:56:28,491 INFO L448 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-12-08 16:56:28,491 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-08 16:56:28,491 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-08 16:56:28,491 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-08 16:56:28,491 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-08 16:56:28,491 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-08 16:56:28,491 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-08 16:56:28,491 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-12-08 16:56:28,492 INFO L448 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-12-08 16:56:28,492 INFO L448 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-12-08 16:56:28,492 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 16:56:28,492 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 16:56:28,492 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 16:56:28,492 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 16:56:28,492 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 16:56:28,492 INFO L448 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-12-08 16:56:28,492 INFO L448 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-12-08 16:56:28,492 INFO L448 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-12-08 16:56:28,492 INFO L448 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-12-08 16:56:28,492 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-08 16:56:28,492 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-08 16:56:28,492 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-08 16:56:28,493 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-08 16:56:28,493 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-08 16:56:28,493 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-12-08 16:56:28,493 INFO L448 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-12-08 16:56:28,493 INFO L448 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-12-08 16:56:28,493 INFO L448 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-12-08 16:56:28,493 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-12-08 16:56:28,493 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 16:56:28,493 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 16:56:28,493 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 16:56:28,493 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 16:56:28,493 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 16:56:28,493 INFO L448 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-12-08 16:56:28,493 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-08 16:56:28,493 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-08 16:56:28,494 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-08 16:56:28,494 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-08 16:56:28,494 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-08 16:56:28,494 INFO L448 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-12-08 16:56:28,494 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-12-08 16:56:28,494 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-12-08 16:56:28,494 INFO L448 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-12-08 16:56:28,494 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 16:56:28,494 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 16:56:28,494 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 16:56:28,494 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 16:56:28,494 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 16:56:28,494 INFO L448 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-12-08 16:56:28,494 INFO L448 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-12-08 16:56:28,494 INFO L448 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-12-08 16:56:28,495 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-08 16:56:28,495 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-08 16:56:28,495 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-08 16:56:28,495 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-08 16:56:28,495 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-08 16:56:28,495 INFO L448 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-12-08 16:56:28,495 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-12-08 16:56:28,495 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2018-12-08 16:56:28,495 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-12-08 16:56:28,495 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-12-08 16:56:28,495 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-12-08 16:56:28,495 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 16:56:28,495 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 16:56:28,496 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 16:56:28,496 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 16:56:28,496 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 16:56:28,496 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-08 16:56:28,496 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-08 16:56:28,496 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-08 16:56:28,496 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-08 16:56:28,496 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-08 16:56:28,496 INFO L448 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-12-08 16:56:28,496 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-12-08 16:56:28,496 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-12-08 16:56:28,496 INFO L448 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-12-08 16:56:28,496 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 16:56:28,496 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 16:56:28,496 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 16:56:28,497 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 16:56:28,497 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 16:56:28,497 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-12-08 16:56:28,497 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-12-08 16:56:28,497 INFO L448 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-12-08 16:56:28,497 INFO L448 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-12-08 16:56:28,497 INFO L448 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-12-08 16:56:28,497 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-12-08 16:56:28,497 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-08 16:56:28,497 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-08 16:56:28,497 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-08 16:56:28,497 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-08 16:56:28,498 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-08 16:56:28,498 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-12-08 16:56:28,498 INFO L448 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-12-08 16:56:28,498 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-12-08 16:56:28,498 INFO L448 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-12-08 16:56:28,498 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 16:56:28,498 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 16:56:28,498 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 16:56:28,498 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 16:56:28,498 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-12-08 16:56:28,498 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 16:56:28,498 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2018-12-08 16:56:28,498 INFO L448 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-12-08 16:56:28,498 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-12-08 16:56:28,499 INFO L448 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-12-08 16:56:28,499 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-08 16:56:28,499 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-08 16:56:28,499 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-08 16:56:28,499 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-08 16:56:28,499 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-08 16:56:28,499 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-12-08 16:56:28,499 INFO L448 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-12-08 16:56:28,499 INFO L448 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-12-08 16:56:28,499 INFO L448 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-12-08 16:56:28,499 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-12-08 16:56:28,499 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 16:56:28,499 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 16:56:28,499 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 16:56:28,499 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 16:56:28,500 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 16:56:28,500 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 16:56:28,500 INFO L448 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-12-08 16:56:28,500 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-12-08 16:56:28,500 INFO L448 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-12-08 16:56:28,500 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-08 16:56:28,500 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-08 16:56:28,500 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-08 16:56:28,500 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-08 16:56:28,500 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-08 16:56:28,500 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-08 16:56:28,500 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-12-08 16:56:28,500 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-12-08 16:56:28,500 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse2 (= 1 |old(~a10~0)|)) (.cse1 (< 9 |old(~a19~0)|)) (.cse3 (= 6 |old(~a19~0)|)) (.cse0 (and (= |old(~a19~0)| ~a19~0) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)))) (and (or .cse0 (forall ((v_~a1~0_347 Int)) (or (< 38 v_~a1~0_347) (not (= (mod (+ v_~a1~0_347 2) 5) 0)) (< (div (+ v_~a1~0_347 (- 283353)) 5) (+ |old(~a1~0)| 495232)))) .cse1 .cse2) (or (or (= 0 |old(~a10~0)|) .cse2 (< 23 |old(~a1~0)|)) .cse1 .cse0) (or (= 4 |old(~a10~0)|) .cse3 .cse0) (or .cse1 .cse3 .cse0) (or (not (= 3 |old(~a10~0)|)) .cse0))) [2018-12-08 16:56:28,501 INFO L448 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-12-08 16:56:28,501 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-12-08 16:56:28,501 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-12-08 16:56:28,501 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 16:56:28,501 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 16:56:28,501 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 16:56:28,501 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 16:56:28,501 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 16:56:28,501 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 16:56:28,501 INFO L448 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-12-08 16:56:28,501 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-08 16:56:28,501 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-08 16:56:28,501 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-08 16:56:28,501 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-08 16:56:28,502 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-08 16:56:28,502 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-08 16:56:28,502 INFO L448 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-12-08 16:56:28,502 INFO L448 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-12-08 16:56:28,502 INFO L448 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-12-08 16:56:28,502 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-12-08 16:56:28,502 INFO L448 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-12-08 16:56:28,502 INFO L448 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-12-08 16:56:28,502 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 16:56:28,502 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 16:56:28,502 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 16:56:28,502 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 16:56:28,502 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 16:56:28,502 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 16:56:28,503 INFO L448 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-12-08 16:56:28,503 INFO L448 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-12-08 16:56:28,503 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-12-08 16:56:28,503 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-08 16:56:28,503 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-08 16:56:28,503 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-08 16:56:28,503 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-08 16:56:28,503 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-08 16:56:28,503 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-08 16:56:28,503 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-12-08 16:56:28,503 INFO L448 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-12-08 16:56:28,503 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-12-08 16:56:28,503 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 16:56:28,503 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 16:56:28,503 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 16:56:28,503 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 16:56:28,504 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 16:56:28,504 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 16:56:28,504 INFO L448 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-12-08 16:56:28,504 INFO L448 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-12-08 16:56:28,504 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-12-08 16:56:28,504 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-08 16:56:28,504 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-08 16:56:28,504 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-08 16:56:28,504 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-08 16:56:28,504 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-08 16:56:28,504 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-08 16:56:28,504 INFO L448 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-12-08 16:56:28,504 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-12-08 16:56:28,504 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-12-08 16:56:28,504 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 16:56:28,504 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a1~0 23) (not (= ~a19~0 6)) (<= ~a19~0 9) (not (= ~a10~0 1)) (not (= ~a10~0 4))) [2018-12-08 16:56:28,504 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 16:56:28,504 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 16:56:28,504 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (and (= |old(~a19~0)| ~a19~0) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)) (= 4 |old(~a10~0)|) (< 9 |old(~a19~0)|) (= 6 |old(~a19~0)|) (= 1 |old(~a10~0)|) (< 23 |old(~a1~0)|)) [2018-12-08 16:56:28,504 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-12-08 16:56:28,504 INFO L444 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (not (= ~a19~0 6))) (.cse1 (not (= ~a10~0 4))) (.cse2 (<= ~a19~0 9)) (.cse3 (not (= ~a10~0 1)))) (or (< 23 |old(~a1~0)|) (and .cse0 .cse1) (= 3 ~a10~0) (= 4 |old(~a10~0)|) (and .cse0 .cse2) (= 6 |old(~a19~0)|) (= 1 |old(~a10~0)|) (and (exists ((v_~a1~0_347 Int)) (and (<= v_~a1~0_347 38) (<= (+ ~a1~0 495232) (div (+ v_~a1~0_347 (- 283353)) 5)) (= (mod (+ v_~a1~0_347 2) 5) 0))) .cse3 .cse1) (< 9 |old(~a19~0)|) (and (<= ~a1~0 23) .cse2 (not (= 0 ~a10~0)) .cse3))) [2018-12-08 16:56:28,505 INFO L448 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-12-08 16:56:28,505 INFO L448 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-12-08 16:56:28,505 INFO L444 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (not (= ~a19~0 6))) (.cse1 (not (= ~a10~0 4))) (.cse2 (<= ~a19~0 9)) (.cse3 (not (= ~a10~0 1)))) (or (< 23 |old(~a1~0)|) (and .cse0 .cse1) (= 3 ~a10~0) (= 4 |old(~a10~0)|) (and .cse0 .cse2) (= 6 |old(~a19~0)|) (= 1 |old(~a10~0)|) (and (exists ((v_~a1~0_347 Int)) (and (<= v_~a1~0_347 38) (<= (+ ~a1~0 495232) (div (+ v_~a1~0_347 (- 283353)) 5)) (= (mod (+ v_~a1~0_347 2) 5) 0))) .cse3 .cse1) (< 9 |old(~a19~0)|) (and (<= ~a1~0 23) .cse2 (not (= 0 ~a10~0)) .cse3))) [2018-12-08 16:56:28,505 INFO L448 ceAbstractionStarter]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2018-12-08 16:56:28,510 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2018-12-08 16:56:28,510 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2018-12-08 16:56:28,510 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2018-12-08 16:56:28,515 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2018-12-08 16:56:28,515 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2018-12-08 16:56:28,515 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2018-12-08 16:56:28,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 04:56:28 BoogieIcfgContainer [2018-12-08 16:56:28,517 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 16:56:28,517 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 16:56:28,518 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 16:56:28,518 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 16:56:28,518 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:56:18" (3/4) ... [2018-12-08 16:56:28,521 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 16:56:28,525 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 16:56:28,525 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-08 16:56:28,526 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 16:56:28,534 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-08 16:56:28,534 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-08 16:56:28,558 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((23 < \old(a1) || (!(a19 == 6) && !(a10 == 4))) || 3 == a10) || 4 == \old(a10)) || (!(a19 == 6) && a19 <= 9)) || 6 == \old(a19)) || 1 == \old(a10)) || (((\exists v_~a1~0_347 : int :: (v_~a1~0_347 <= 38 && a1 + 495232 <= (v_~a1~0_347 + -283353) / 5) && (v_~a1~0_347 + 2) % 5 == 0) && !(a10 == 1)) && !(a10 == 4))) || 9 < \old(a19)) || (((a1 <= 23 && a19 <= 9) && !(0 == a10)) && !(a10 == 1)) [2018-12-08 16:56:28,624 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ea563d15-e9d5-473c-a4c7-adf91b8c7235/bin-2019/uautomizer/witness.graphml [2018-12-08 16:56:28,625 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 16:56:28,625 INFO L168 Benchmark]: Toolchain (without parser) took 10724.07 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 545.8 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -126.0 MB). Peak memory consumption was 419.8 MB. Max. memory is 11.5 GB. [2018-12-08 16:56:28,626 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:56:28,626 INFO L168 Benchmark]: CACSL2BoogieTranslator took 320.34 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -150.8 MB). Peak memory consumption was 35.2 MB. Max. memory is 11.5 GB. [2018-12-08 16:56:28,626 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-08 16:56:28,627 INFO L168 Benchmark]: Boogie Preprocessor took 37.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-08 16:56:28,627 INFO L168 Benchmark]: RCFGBuilder took 630.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 983.6 MB in the end (delta: 110.8 MB). Peak memory consumption was 110.8 MB. Max. memory is 11.5 GB. [2018-12-08 16:56:28,627 INFO L168 Benchmark]: TraceAbstraction took 9606.60 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 430.4 MB). Free memory was 983.6 MB in the beginning and 1.1 GB in the end (delta: -107.7 MB). Peak memory consumption was 650.4 MB. Max. memory is 11.5 GB. [2018-12-08 16:56:28,627 INFO L168 Benchmark]: Witness Printer took 107.29 ms. Allocated memory is still 1.6 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. [2018-12-08 16:56:28,628 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 320.34 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -150.8 MB). Peak memory consumption was 35.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 630.62 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 983.6 MB in the end (delta: 110.8 MB). Peak memory consumption was 110.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9606.60 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 430.4 MB). Free memory was 983.6 MB in the beginning and 1.1 GB in the end (delta: -107.7 MB). Peak memory consumption was 650.4 MB. Max. memory is 11.5 GB. * Witness Printer took 107.29 ms. Allocated memory is still 1.6 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 145]: 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 [2018-12-08 16:56:28,631 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2018-12-08 16:56:28,631 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2018-12-08 16:56:28,631 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2018-12-08 16:56:28,632 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2018-12-08 16:56:28,632 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] [2018-12-08 16:56:28,632 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a1~0_347,QUANTIFIED] Derived loop invariant: ((((((((23 < \old(a1) || (!(a19 == 6) && !(a10 == 4))) || 3 == a10) || 4 == \old(a10)) || (!(a19 == 6) && a19 <= 9)) || 6 == \old(a19)) || 1 == \old(a10)) || (((\exists v_~a1~0_347 : int :: (v_~a1~0_347 <= 38 && a1 + 495232 <= (v_~a1~0_347 + -283353) / 5) && (v_~a1~0_347 + 2) % 5 == 0) && !(a10 == 1)) && !(a10 == 4))) || 9 < \old(a19)) || (((a1 <= 23 && a19 <= 9) && !(0 == a10)) && !(a10 == 1)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. SAFE Result, 9.5s OverallTime, 8 OverallIterations, 4 TraceHistogramMax, 6.0s AutomataDifference, 0.0s DeadEndRemovalTime, 1.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 500 SDtfs, 4581 SDslu, 494 SDs, 0 SdLazy, 7966 SolverSat, 1653 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1664 GetRequests, 1581 SyntacticMatches, 7 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2807occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 824 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 164 PreInvPairs, 318 NumberOfFragments, 343 HoareAnnotationTreeSize, 164 FomulaSimplifications, 20015 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 7668 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 3494 NumberOfCodeBlocks, 3494 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 3481 ConstructedInterpolants, 49 QuantifiedInterpolants, 2526271 SizeOfPredicates, 4 NumberOfNonLiveVariables, 2502 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 13 InterpolantComputations, 5 PerfectInterpolantSequences, 2687/2810 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...