./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label25_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c7efa43a-7115-4c27-9ea9-45c15cd36d42/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c7efa43a-7115-4c27-9ea9-45c15cd36d42/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c7efa43a-7115-4c27-9ea9-45c15cd36d42/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c7efa43a-7115-4c27-9ea9-45c15cd36d42/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label25_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c7efa43a-7115-4c27-9ea9-45c15cd36d42/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c7efa43a-7115-4c27-9ea9-45c15cd36d42/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 23f7450b399d10b1ac0a8f247ff41c3f7806d83a .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 13:14:30,612 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 13:14:30,613 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 13:14:30,622 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 13:14:30,622 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 13:14:30,623 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 13:14:30,624 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 13:14:30,625 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 13:14:30,626 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 13:14:30,627 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 13:14:30,627 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 13:14:30,627 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 13:14:30,628 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 13:14:30,629 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 13:14:30,629 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 13:14:30,630 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 13:14:30,631 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 13:14:30,632 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 13:14:30,633 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 13:14:30,634 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 13:14:30,635 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 13:14:30,636 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 13:14:30,637 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 13:14:30,637 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 13:14:30,637 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 13:14:30,638 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 13:14:30,638 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 13:14:30,639 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 13:14:30,639 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 13:14:30,640 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 13:14:30,640 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 13:14:30,641 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 13:14:30,641 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 13:14:30,641 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 13:14:30,642 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 13:14:30,642 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 13:14:30,642 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c7efa43a-7115-4c27-9ea9-45c15cd36d42/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 13:14:30,652 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 13:14:30,652 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 13:14:30,653 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 13:14:30,653 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 13:14:30,653 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 13:14:30,653 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 13:14:30,653 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 13:14:30,654 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 13:14:30,654 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 13:14:30,654 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 13:14:30,654 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 13:14:30,654 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 13:14:30,654 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 13:14:30,654 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 13:14:30,654 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 13:14:30,655 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 13:14:30,655 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 13:14:30,655 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 13:14:30,655 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 13:14:30,655 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 13:14:30,655 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 13:14:30,655 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 13:14:30,656 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 13:14:30,656 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 13:14:30,656 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 13:14:30,656 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 13:14:30,656 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 13:14:30,656 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 13:14:30,656 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 13:14:30,656 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 13:14:30,657 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_c7efa43a-7115-4c27-9ea9-45c15cd36d42/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 -> 23f7450b399d10b1ac0a8f247ff41c3f7806d83a [2018-11-23 13:14:30,679 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 13:14:30,688 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 13:14:30,691 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 13:14:30,692 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 13:14:30,692 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 13:14:30,693 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c7efa43a-7115-4c27-9ea9-45c15cd36d42/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem10_label25_true-unreach-call.c [2018-11-23 13:14:30,732 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c7efa43a-7115-4c27-9ea9-45c15cd36d42/bin-2019/uautomizer/data/f6b476200/cbdfb686c6a449f0872b1bf0f477f58e/FLAGdb6f6717b [2018-11-23 13:14:31,123 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 13:14:31,124 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c7efa43a-7115-4c27-9ea9-45c15cd36d42/sv-benchmarks/c/eca-rers2012/Problem10_label25_true-unreach-call.c [2018-11-23 13:14:31,134 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c7efa43a-7115-4c27-9ea9-45c15cd36d42/bin-2019/uautomizer/data/f6b476200/cbdfb686c6a449f0872b1bf0f477f58e/FLAGdb6f6717b [2018-11-23 13:14:31,495 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c7efa43a-7115-4c27-9ea9-45c15cd36d42/bin-2019/uautomizer/data/f6b476200/cbdfb686c6a449f0872b1bf0f477f58e [2018-11-23 13:14:31,497 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 13:14:31,498 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 13:14:31,499 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 13:14:31,499 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 13:14:31,501 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 13:14:31,502 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:14:31" (1/1) ... [2018-11-23 13:14:31,503 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@703e8e5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:14:31, skipping insertion in model container [2018-11-23 13:14:31,504 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:14:31" (1/1) ... [2018-11-23 13:14:31,509 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 13:14:31,543 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 13:14:31,800 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:14:31,803 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 13:14:31,874 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:14:31,887 INFO L195 MainTranslator]: Completed translation [2018-11-23 13:14:31,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:14:31 WrapperNode [2018-11-23 13:14:31,888 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 13:14:31,888 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 13:14:31,888 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 13:14:31,888 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 13:14:31,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:14:31" (1/1) ... [2018-11-23 13:14:31,955 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:14:31" (1/1) ... [2018-11-23 13:14:31,962 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 13:14:31,962 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 13:14:31,963 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 13:14:31,963 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 13:14:31,969 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:14:31" (1/1) ... [2018-11-23 13:14:31,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:14:31" (1/1) ... [2018-11-23 13:14:31,972 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:14:31" (1/1) ... [2018-11-23 13:14:31,972 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:14:31" (1/1) ... [2018-11-23 13:14:31,995 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:14:31" (1/1) ... [2018-11-23 13:14:32,005 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:14:31" (1/1) ... [2018-11-23 13:14:32,010 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:14:31" (1/1) ... [2018-11-23 13:14:32,016 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 13:14:32,016 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 13:14:32,016 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 13:14:32,016 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 13:14:32,018 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:14:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c7efa43a-7115-4c27-9ea9-45c15cd36d42/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 [2018-11-23 13:14:32,058 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 13:14:32,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 13:14:32,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 13:14:32,058 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 13:14:32,058 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 13:14:32,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 13:14:32,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 13:14:32,059 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 13:14:32,059 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 13:14:33,083 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 13:14:33,083 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 13:14:33,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:14:33 BoogieIcfgContainer [2018-11-23 13:14:33,084 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 13:14:33,084 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 13:14:33,085 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 13:14:33,087 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 13:14:33,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:14:31" (1/3) ... [2018-11-23 13:14:33,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44fe9526 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:14:33, skipping insertion in model container [2018-11-23 13:14:33,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:14:31" (2/3) ... [2018-11-23 13:14:33,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44fe9526 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:14:33, skipping insertion in model container [2018-11-23 13:14:33,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:14:33" (3/3) ... [2018-11-23 13:14:33,090 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label25_true-unreach-call.c [2018-11-23 13:14:33,099 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 13:14:33,106 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 13:14:33,116 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 13:14:33,137 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 13:14:33,137 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 13:14:33,138 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 13:14:33,138 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 13:14:33,138 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 13:14:33,138 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 13:14:33,138 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 13:14:33,138 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 13:14:33,138 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 13:14:33,156 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2018-11-23 13:14:33,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-23 13:14:33,162 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:14:33,163 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:14:33,164 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:14:33,168 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:14:33,168 INFO L82 PathProgramCache]: Analyzing trace with hash -1015003737, now seen corresponding path program 1 times [2018-11-23 13:14:33,169 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:14:33,169 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:14:33,210 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:14:33,210 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:14:33,211 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:14:33,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:14:33,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:14:33,435 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:14:33,436 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 13:14:33,440 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 13:14:33,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 13:14:33,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:14:33,453 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 3 states. [2018-11-23 13:14:34,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:14:34,067 INFO L93 Difference]: Finished difference Result 571 states and 989 transitions. [2018-11-23 13:14:34,067 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 13:14:34,068 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2018-11-23 13:14:34,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:14:34,077 INFO L225 Difference]: With dead ends: 571 [2018-11-23 13:14:34,078 INFO L226 Difference]: Without dead ends: 354 [2018-11-23 13:14:34,081 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 [2018-11-23 13:14:34,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2018-11-23 13:14:34,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 354. [2018-11-23 13:14:34,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 354 states. [2018-11-23 13:14:34,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 590 transitions. [2018-11-23 13:14:34,121 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 590 transitions. Word has length 70 [2018-11-23 13:14:34,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:14:34,122 INFO L480 AbstractCegarLoop]: Abstraction has 354 states and 590 transitions. [2018-11-23 13:14:34,122 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 13:14:34,122 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 590 transitions. [2018-11-23 13:14:34,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-23 13:14:34,125 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:14:34,125 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, 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] [2018-11-23 13:14:34,126 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:14:34,126 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:14:34,126 INFO L82 PathProgramCache]: Analyzing trace with hash -195666983, now seen corresponding path program 1 times [2018-11-23 13:14:34,126 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:14:34,126 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:14:34,127 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:14:34,127 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:14:34,127 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:14:34,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:14:34,280 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:14:34,281 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:14:34,281 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 13:14:34,283 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 13:14:34,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 13:14:34,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 13:14:34,283 INFO L87 Difference]: Start difference. First operand 354 states and 590 transitions. Second operand 6 states. [2018-11-23 13:14:35,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:14:35,061 INFO L93 Difference]: Finished difference Result 996 states and 1683 transitions. [2018-11-23 13:14:35,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 13:14:35,064 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 139 [2018-11-23 13:14:35,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:14:35,068 INFO L225 Difference]: With dead ends: 996 [2018-11-23 13:14:35,068 INFO L226 Difference]: Without dead ends: 648 [2018-11-23 13:14:35,071 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 [2018-11-23 13:14:35,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2018-11-23 13:14:35,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 637. [2018-11-23 13:14:35,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 637 states. [2018-11-23 13:14:35,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 957 transitions. [2018-11-23 13:14:35,098 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 957 transitions. Word has length 139 [2018-11-23 13:14:35,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:14:35,098 INFO L480 AbstractCegarLoop]: Abstraction has 637 states and 957 transitions. [2018-11-23 13:14:35,098 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 13:14:35,098 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 957 transitions. [2018-11-23 13:14:35,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-23 13:14:35,101 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:14:35,101 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, 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] [2018-11-23 13:14:35,102 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:14:35,102 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:14:35,102 INFO L82 PathProgramCache]: Analyzing trace with hash -1516573211, now seen corresponding path program 1 times [2018-11-23 13:14:35,102 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:14:35,102 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:14:35,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:14:35,103 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:14:35,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:14:35,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:14:35,209 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:14:35,209 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:14:35,209 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 13:14:35,210 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 13:14:35,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 13:14:35,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 13:14:35,210 INFO L87 Difference]: Start difference. First operand 637 states and 957 transitions. Second operand 4 states. [2018-11-23 13:14:35,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:14:35,943 INFO L93 Difference]: Finished difference Result 2117 states and 3325 transitions. [2018-11-23 13:14:35,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 13:14:35,943 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 149 [2018-11-23 13:14:35,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:14:35,947 INFO L225 Difference]: With dead ends: 2117 [2018-11-23 13:14:35,947 INFO L226 Difference]: Without dead ends: 899 [2018-11-23 13:14:35,950 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 [2018-11-23 13:14:35,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 899 states. [2018-11-23 13:14:35,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 899 to 899. [2018-11-23 13:14:35,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 899 states. [2018-11-23 13:14:35,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 899 states and 1272 transitions. [2018-11-23 13:14:35,971 INFO L78 Accepts]: Start accepts. Automaton has 899 states and 1272 transitions. Word has length 149 [2018-11-23 13:14:35,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:14:35,971 INFO L480 AbstractCegarLoop]: Abstraction has 899 states and 1272 transitions. [2018-11-23 13:14:35,971 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 13:14:35,971 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1272 transitions. [2018-11-23 13:14:35,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-11-23 13:14:35,974 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:14:35,974 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, 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] [2018-11-23 13:14:35,974 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:14:35,974 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:14:35,974 INFO L82 PathProgramCache]: Analyzing trace with hash 2032612418, now seen corresponding path program 1 times [2018-11-23 13:14:35,975 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:14:35,975 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:14:35,975 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:14:35,975 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:14:35,976 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:14:35,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:14:36,106 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:14:36,106 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:14:36,106 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 13:14:36,107 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 13:14:36,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 13:14:36,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 13:14:36,107 INFO L87 Difference]: Start difference. First operand 899 states and 1272 transitions. Second operand 6 states. [2018-11-23 13:14:36,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:14:36,550 INFO L93 Difference]: Finished difference Result 2112 states and 3063 transitions. [2018-11-23 13:14:36,551 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 13:14:36,551 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 192 [2018-11-23 13:14:36,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:14:36,556 INFO L225 Difference]: With dead ends: 2112 [2018-11-23 13:14:36,556 INFO L226 Difference]: Without dead ends: 1219 [2018-11-23 13:14:36,558 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 [2018-11-23 13:14:36,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1219 states. [2018-11-23 13:14:36,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1219 to 1201. [2018-11-23 13:14:36,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1201 states. [2018-11-23 13:14:36,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1201 states to 1201 states and 1639 transitions. [2018-11-23 13:14:36,582 INFO L78 Accepts]: Start accepts. Automaton has 1201 states and 1639 transitions. Word has length 192 [2018-11-23 13:14:36,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:14:36,583 INFO L480 AbstractCegarLoop]: Abstraction has 1201 states and 1639 transitions. [2018-11-23 13:14:36,583 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 13:14:36,583 INFO L276 IsEmpty]: Start isEmpty. Operand 1201 states and 1639 transitions. [2018-11-23 13:14:36,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-11-23 13:14:36,586 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:14:36,586 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:14:36,587 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:14:36,587 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:14:36,587 INFO L82 PathProgramCache]: Analyzing trace with hash -1889340864, now seen corresponding path program 1 times [2018-11-23 13:14:36,587 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:14:36,587 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:14:36,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:14:36,588 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:14:36,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:14:36,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:14:36,705 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 126 proven. 78 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 13:14:36,705 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:14:36,705 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c7efa43a-7115-4c27-9ea9-45c15cd36d42/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 [2018-11-23 13:14:36,716 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:14:36,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:14:36,770 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:14:36,842 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-11-23 13:14:36,858 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 13:14:36,858 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2018-11-23 13:14:36,859 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 13:14:36,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 13:14:36,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-23 13:14:36,859 INFO L87 Difference]: Start difference. First operand 1201 states and 1639 transitions. Second operand 6 states. [2018-11-23 13:14:37,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:14:37,932 INFO L93 Difference]: Finished difference Result 3619 states and 4996 transitions. [2018-11-23 13:14:37,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 13:14:37,933 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 239 [2018-11-23 13:14:37,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:14:37,940 INFO L225 Difference]: With dead ends: 3619 [2018-11-23 13:14:37,940 INFO L226 Difference]: Without dead ends: 2424 [2018-11-23 13:14:37,944 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 242 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-11-23 13:14:37,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2424 states. [2018-11-23 13:14:37,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2424 to 2227. [2018-11-23 13:14:37,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2227 states. [2018-11-23 13:14:37,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2227 states to 2227 states and 2945 transitions. [2018-11-23 13:14:37,983 INFO L78 Accepts]: Start accepts. Automaton has 2227 states and 2945 transitions. Word has length 239 [2018-11-23 13:14:37,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:14:37,984 INFO L480 AbstractCegarLoop]: Abstraction has 2227 states and 2945 transitions. [2018-11-23 13:14:37,984 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 13:14:37,984 INFO L276 IsEmpty]: Start isEmpty. Operand 2227 states and 2945 transitions. [2018-11-23 13:14:37,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2018-11-23 13:14:37,990 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:14:37,990 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:14:37,990 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:14:37,990 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:14:37,991 INFO L82 PathProgramCache]: Analyzing trace with hash -122970787, now seen corresponding path program 1 times [2018-11-23 13:14:37,991 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:14:37,991 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:14:37,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:14:37,991 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:14:37,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:14:38,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:14:38,559 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 261 proven. 82 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-23 13:14:38,560 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:14:38,560 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c7efa43a-7115-4c27-9ea9-45c15cd36d42/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 [2018-11-23 13:14:38,566 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:14:38,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:14:38,625 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:14:38,713 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 345 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-11-23 13:14:38,727 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 13:14:38,728 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5] total 17 [2018-11-23 13:14:38,728 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-23 13:14:38,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-23 13:14:38,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2018-11-23 13:14:38,729 INFO L87 Difference]: Start difference. First operand 2227 states and 2945 transitions. Second operand 17 states. [2018-11-23 13:14:42,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:14:42,077 INFO L93 Difference]: Finished difference Result 6498 states and 9830 transitions. [2018-11-23 13:14:42,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-11-23 13:14:42,077 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 309 [2018-11-23 13:14:42,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:14:42,110 INFO L225 Difference]: With dead ends: 6498 [2018-11-23 13:14:42,110 INFO L226 Difference]: Without dead ends: 4277 [2018-11-23 13:14:42,137 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 392 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 692 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=649, Invalid=2107, Unknown=0, NotChecked=0, Total=2756 [2018-11-23 13:14:42,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4277 states. [2018-11-23 13:14:42,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4277 to 4061. [2018-11-23 13:14:42,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4061 states. [2018-11-23 13:14:42,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4061 states to 4061 states and 5043 transitions. [2018-11-23 13:14:42,289 INFO L78 Accepts]: Start accepts. Automaton has 4061 states and 5043 transitions. Word has length 309 [2018-11-23 13:14:42,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:14:42,289 INFO L480 AbstractCegarLoop]: Abstraction has 4061 states and 5043 transitions. [2018-11-23 13:14:42,289 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-23 13:14:42,289 INFO L276 IsEmpty]: Start isEmpty. Operand 4061 states and 5043 transitions. [2018-11-23 13:14:42,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-11-23 13:14:42,302 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:14:42,303 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:14:42,303 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:14:42,304 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:14:42,304 INFO L82 PathProgramCache]: Analyzing trace with hash -57438555, now seen corresponding path program 1 times [2018-11-23 13:14:42,304 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:14:42,304 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:14:42,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:14:42,305 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:14:42,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:14:42,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:14:42,477 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 189 proven. 140 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-11-23 13:14:42,477 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:14:42,477 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c7efa43a-7115-4c27-9ea9-45c15cd36d42/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 [2018-11-23 13:14:42,487 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:14:42,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:14:42,536 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:14:42,614 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 209 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2018-11-23 13:14:42,629 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 13:14:42,629 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2018-11-23 13:14:42,630 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 13:14:42,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 13:14:42,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-11-23 13:14:42,630 INFO L87 Difference]: Start difference. First operand 4061 states and 5043 transitions. Second operand 9 states. [2018-11-23 13:14:43,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:14:43,635 INFO L93 Difference]: Finished difference Result 8043 states and 10083 transitions. [2018-11-23 13:14:43,635 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-23 13:14:43,635 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 313 [2018-11-23 13:14:43,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:14:43,647 INFO L225 Difference]: With dead ends: 8043 [2018-11-23 13:14:43,647 INFO L226 Difference]: Without dead ends: 4322 [2018-11-23 13:14:43,659 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 323 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=123, Invalid=297, Unknown=0, NotChecked=0, Total=420 [2018-11-23 13:14:43,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4322 states. [2018-11-23 13:14:43,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4322 to 3776. [2018-11-23 13:14:43,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3776 states. [2018-11-23 13:14:43,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3776 states to 3776 states and 4464 transitions. [2018-11-23 13:14:43,742 INFO L78 Accepts]: Start accepts. Automaton has 3776 states and 4464 transitions. Word has length 313 [2018-11-23 13:14:43,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:14:43,742 INFO L480 AbstractCegarLoop]: Abstraction has 3776 states and 4464 transitions. [2018-11-23 13:14:43,742 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 13:14:43,743 INFO L276 IsEmpty]: Start isEmpty. Operand 3776 states and 4464 transitions. [2018-11-23 13:14:43,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-11-23 13:14:43,755 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:14:43,756 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, 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, 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] [2018-11-23 13:14:43,756 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:14:43,756 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:14:43,756 INFO L82 PathProgramCache]: Analyzing trace with hash -703978038, now seen corresponding path program 1 times [2018-11-23 13:14:43,756 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:14:43,757 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:14:43,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:14:43,757 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:14:43,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:14:43,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:14:44,332 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 278 proven. 158 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 13:14:44,332 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:14:44,332 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c7efa43a-7115-4c27-9ea9-45c15cd36d42/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 [2018-11-23 13:14:44,338 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:14:44,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:14:44,393 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:14:57,544 WARN L180 SmtUtils]: Spent 13.00 s on a formula simplification. DAG size of input: 184 DAG size of output: 54 [2018-11-23 13:14:57,951 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 372 proven. 4 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-11-23 13:14:57,976 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 13:14:57,976 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9] total 18 [2018-11-23 13:14:57,977 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-23 13:14:57,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-23 13:14:57,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2018-11-23 13:14:57,978 INFO L87 Difference]: Start difference. First operand 3776 states and 4464 transitions. Second operand 18 states. [2018-11-23 13:15:11,912 WARN L180 SmtUtils]: Spent 9.61 s on a formula simplification. DAG size of input: 85 DAG size of output: 77 [2018-11-23 13:15:13,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:15:13,446 INFO L93 Difference]: Finished difference Result 11411 states and 14144 transitions. [2018-11-23 13:15:13,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-11-23 13:15:13,447 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 354 [2018-11-23 13:15:13,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:15:13,460 INFO L225 Difference]: With dead ends: 11411 [2018-11-23 13:15:13,460 INFO L226 Difference]: Without dead ends: 7785 [2018-11-23 13:15:13,468 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 434 GetRequests, 381 SyntacticMatches, 2 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 743 ImplicationChecksByTransitivity, 24.2s TimeCoverageRelationStatistics Valid=558, Invalid=2198, Unknown=0, NotChecked=0, Total=2756 [2018-11-23 13:15:13,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7785 states. [2018-11-23 13:15:13,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7785 to 7339. [2018-11-23 13:15:13,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7339 states. [2018-11-23 13:15:13,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7339 states to 7339 states and 8695 transitions. [2018-11-23 13:15:13,555 INFO L78 Accepts]: Start accepts. Automaton has 7339 states and 8695 transitions. Word has length 354 [2018-11-23 13:15:13,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:15:13,555 INFO L480 AbstractCegarLoop]: Abstraction has 7339 states and 8695 transitions. [2018-11-23 13:15:13,555 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-23 13:15:13,556 INFO L276 IsEmpty]: Start isEmpty. Operand 7339 states and 8695 transitions. [2018-11-23 13:15:13,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2018-11-23 13:15:13,567 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:15:13,567 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, 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, 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] [2018-11-23 13:15:13,568 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:15:13,568 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:15:13,568 INFO L82 PathProgramCache]: Analyzing trace with hash 1404940765, now seen corresponding path program 1 times [2018-11-23 13:15:13,568 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:15:13,568 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:15:13,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:15:13,569 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:15:13,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:15:13,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:15:13,699 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2018-11-23 13:15:13,700 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:15:13,700 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 13:15:13,700 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 13:15:13,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 13:15:13,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 13:15:13,700 INFO L87 Difference]: Start difference. First operand 7339 states and 8695 transitions. Second operand 4 states. [2018-11-23 13:15:14,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:15:14,267 INFO L93 Difference]: Finished difference Result 17907 states and 22086 transitions. [2018-11-23 13:15:14,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 13:15:14,268 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 373 [2018-11-23 13:15:14,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:15:14,289 INFO L225 Difference]: With dead ends: 17907 [2018-11-23 13:15:14,290 INFO L226 Difference]: Without dead ends: 10718 [2018-11-23 13:15:14,303 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 [2018-11-23 13:15:14,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10718 states. [2018-11-23 13:15:14,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10718 to 10713. [2018-11-23 13:15:14,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10713 states. [2018-11-23 13:15:14,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10713 states to 10713 states and 12863 transitions. [2018-11-23 13:15:14,428 INFO L78 Accepts]: Start accepts. Automaton has 10713 states and 12863 transitions. Word has length 373 [2018-11-23 13:15:14,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:15:14,428 INFO L480 AbstractCegarLoop]: Abstraction has 10713 states and 12863 transitions. [2018-11-23 13:15:14,429 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 13:15:14,429 INFO L276 IsEmpty]: Start isEmpty. Operand 10713 states and 12863 transitions. [2018-11-23 13:15:14,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2018-11-23 13:15:14,444 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:15:14,444 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, 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, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 13:15:14,444 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:15:14,444 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:15:14,444 INFO L82 PathProgramCache]: Analyzing trace with hash 1703123166, now seen corresponding path program 1 times [2018-11-23 13:15:14,444 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:15:14,444 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:15:14,445 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:15:14,445 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:15:14,445 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:15:14,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:15:14,668 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 266 proven. 87 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-11-23 13:15:14,669 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:15:14,669 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c7efa43a-7115-4c27-9ea9-45c15cd36d42/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 [2018-11-23 13:15:14,675 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:15:14,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:15:14,723 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:15:14,826 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 390 proven. 2 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-11-23 13:15:14,851 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 13:15:14,851 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2018-11-23 13:15:14,851 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 13:15:14,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 13:15:14,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2018-11-23 13:15:14,852 INFO L87 Difference]: Start difference. First operand 10713 states and 12863 transitions. Second operand 11 states. [2018-11-23 13:15:16,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:15:16,017 INFO L93 Difference]: Finished difference Result 20930 states and 25625 transitions. [2018-11-23 13:15:16,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 13:15:16,018 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 392 [2018-11-23 13:15:16,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:15:16,038 INFO L225 Difference]: With dead ends: 20930 [2018-11-23 13:15:16,039 INFO L226 Difference]: Without dead ends: 10367 [2018-11-23 13:15:16,053 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 420 GetRequests, 399 SyntacticMatches, 3 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=109, Invalid=271, Unknown=0, NotChecked=0, Total=380 [2018-11-23 13:15:16,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10367 states. [2018-11-23 13:15:16,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10367 to 9251. [2018-11-23 13:15:16,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9251 states. [2018-11-23 13:15:16,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9251 states to 9251 states and 11210 transitions. [2018-11-23 13:15:16,173 INFO L78 Accepts]: Start accepts. Automaton has 9251 states and 11210 transitions. Word has length 392 [2018-11-23 13:15:16,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:15:16,174 INFO L480 AbstractCegarLoop]: Abstraction has 9251 states and 11210 transitions. [2018-11-23 13:15:16,174 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 13:15:16,174 INFO L276 IsEmpty]: Start isEmpty. Operand 9251 states and 11210 transitions. [2018-11-23 13:15:16,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2018-11-23 13:15:16,186 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:15:16,186 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 13:15:16,187 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:15:16,187 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:15:16,187 INFO L82 PathProgramCache]: Analyzing trace with hash 197567602, now seen corresponding path program 1 times [2018-11-23 13:15:16,187 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 13:15:16,187 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 13:15:16,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:15:16,188 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:15:16,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:15:16,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:15:16,500 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 182 proven. 216 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-11-23 13:15:16,501 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:15:16,501 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c7efa43a-7115-4c27-9ea9-45c15cd36d42/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 13:15:16,510 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:15:16,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:15:16,568 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:15:18,713 WARN L180 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 33 DAG size of output: 25 [2018-11-23 13:15:20,843 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 0 proven. 473 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:15:20,858 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 13:15:20,858 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 19 [2018-11-23 13:15:20,859 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-23 13:15:20,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-23 13:15:20,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=281, Unknown=1, NotChecked=0, Total=342 [2018-11-23 13:15:20,859 INFO L87 Difference]: Start difference. First operand 9251 states and 11210 transitions. Second operand 19 states. [2018-11-23 13:15:23,778 WARN L180 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 42 DAG size of output: 31 [2018-11-23 13:16:00,653 WARN L180 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 55 DAG size of output: 44 [2018-11-23 13:16:35,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:16:35,352 INFO L93 Difference]: Finished difference Result 24813 states and 32008 transitions. [2018-11-23 13:16:35,353 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-11-23 13:16:35,353 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 410 [2018-11-23 13:16:35,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:16:35,353 INFO L225 Difference]: With dead ends: 24813 [2018-11-23 13:16:35,353 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 13:16:35,388 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 469 GetRequests, 414 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 798 ImplicationChecksByTransitivity, 11.8s TimeCoverageRelationStatistics Valid=520, Invalid=2447, Unknown=3, NotChecked=0, Total=2970 [2018-11-23 13:16:35,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 13:16:35,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 13:16:35,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 13:16:35,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 13:16:35,389 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 410 [2018-11-23 13:16:35,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:16:35,389 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 13:16:35,389 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-23 13:16:35,389 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 13:16:35,389 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 13:16:35,393 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 13:16:35,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:16:35,664 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:16:35,679 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:16:35,682 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:16:35,682 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:16:35,683 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:16:35,684 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:16:35,685 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:16:35,686 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:16:35,687 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:16:35,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:16:35,721 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:16:35,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:16:35,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:16:35,723 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:16:35,724 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:16:35,725 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:16:35,731 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:16:35,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:16:35,817 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:16:35,818 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:16:35,818 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:16:36,354 WARN L180 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 335 [2018-11-23 13:16:36,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:16:36,366 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:16:36,367 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:16:36,367 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:16:36,368 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:16:36,369 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:16:36,370 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:16:36,370 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:16:36,371 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:16:36,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:16:36,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:16:36,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:16:36,400 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:16:36,400 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:16:36,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:16:36,407 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:16:36,410 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:16:36,449 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:16:36,450 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:16:36,450 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:16:36,843 WARN L180 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 335 [2018-11-23 13:17:13,934 WARN L180 SmtUtils]: Spent 37.03 s on a formula simplification. DAG size of input: 383 DAG size of output: 75 [2018-11-23 13:17:16,091 WARN L180 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 342 DAG size of output: 86 [2018-11-23 13:17:18,232 WARN L180 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 342 DAG size of output: 86 [2018-11-23 13:17:18,234 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 13:17:18,234 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)) [2018-11-23 13:17:18,234 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 13:17:18,234 INFO L448 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-11-23 13:17:18,234 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 13:17:18,234 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 13:17:18,234 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 13:17:18,234 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 13:17:18,234 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 13:17:18,234 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 13:17:18,235 INFO L448 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-11-23 13:17:18,235 INFO L448 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-11-23 13:17:18,235 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-23 13:17:18,235 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-23 13:17:18,235 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-23 13:17:18,235 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-23 13:17:18,235 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-23 13:17:18,235 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-23 13:17:18,235 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-11-23 13:17:18,235 INFO L448 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-11-23 13:17:18,235 INFO L448 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-11-23 13:17:18,235 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 13:17:18,235 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 13:17:18,235 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 13:17:18,235 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 13:17:18,235 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 13:17:18,236 INFO L448 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-11-23 13:17:18,236 INFO L448 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-11-23 13:17:18,236 INFO L448 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-11-23 13:17:18,236 INFO L448 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-11-23 13:17:18,236 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-23 13:17:18,236 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-23 13:17:18,236 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-23 13:17:18,236 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-23 13:17:18,236 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-23 13:17:18,236 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-11-23 13:17:18,236 INFO L448 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-11-23 13:17:18,236 INFO L448 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-11-23 13:17:18,236 INFO L448 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-11-23 13:17:18,236 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-11-23 13:17:18,236 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 13:17:18,236 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 13:17:18,237 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 13:17:18,237 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 13:17:18,237 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 13:17:18,237 INFO L448 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-11-23 13:17:18,237 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-23 13:17:18,237 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-23 13:17:18,237 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-23 13:17:18,237 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-23 13:17:18,237 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-23 13:17:18,237 INFO L448 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-11-23 13:17:18,237 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-11-23 13:17:18,237 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-11-23 13:17:18,237 INFO L448 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-11-23 13:17:18,237 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 13:17:18,237 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 13:17:18,238 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 13:17:18,238 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 13:17:18,238 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 13:17:18,238 INFO L448 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-11-23 13:17:18,238 INFO L448 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-11-23 13:17:18,238 INFO L448 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-11-23 13:17:18,238 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-23 13:17:18,238 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-23 13:17:18,238 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-23 13:17:18,238 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-23 13:17:18,238 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-23 13:17:18,238 INFO L448 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-11-23 13:17:18,238 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-11-23 13:17:18,238 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-11-23 13:17:18,238 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-11-23 13:17:18,238 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-11-23 13:17:18,239 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 13:17:18,239 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 13:17:18,239 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 13:17:18,239 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 13:17:18,239 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 13:17:18,239 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-23 13:17:18,239 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-23 13:17:18,239 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-23 13:17:18,239 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-23 13:17:18,239 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-23 13:17:18,239 INFO L448 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-11-23 13:17:18,239 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-11-23 13:17:18,239 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-11-23 13:17:18,239 INFO L448 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-11-23 13:17:18,239 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 13:17:18,239 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 13:17:18,240 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 13:17:18,240 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 13:17:18,240 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 13:17:18,240 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-11-23 13:17:18,240 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-11-23 13:17:18,240 INFO L448 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-11-23 13:17:18,240 INFO L448 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-11-23 13:17:18,240 INFO L448 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-11-23 13:17:18,240 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-11-23 13:17:18,240 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-23 13:17:18,240 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-23 13:17:18,240 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-23 13:17:18,240 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-23 13:17:18,240 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-23 13:17:18,240 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-11-23 13:17:18,240 INFO L448 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-11-23 13:17:18,241 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-11-23 13:17:18,241 INFO L448 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-11-23 13:17:18,241 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 13:17:18,241 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 13:17:18,241 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 13:17:18,241 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 13:17:18,241 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-23 13:17:18,241 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 13:17:18,241 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2018-11-23 13:17:18,241 INFO L448 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-11-23 13:17:18,241 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-11-23 13:17:18,241 INFO L448 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-11-23 13:17:18,241 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-23 13:17:18,241 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-23 13:17:18,241 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-23 13:17:18,242 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-23 13:17:18,242 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-23 13:17:18,242 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-23 13:17:18,242 INFO L448 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-11-23 13:17:18,242 INFO L448 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-11-23 13:17:18,242 INFO L448 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-11-23 13:17:18,242 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-11-23 13:17:18,242 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 13:17:18,242 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 13:17:18,242 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 13:17:18,242 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 13:17:18,242 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 13:17:18,242 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 13:17:18,242 INFO L448 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-11-23 13:17:18,242 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-11-23 13:17:18,242 INFO L448 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-11-23 13:17:18,242 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-23 13:17:18,243 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-23 13:17:18,243 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-23 13:17:18,243 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-23 13:17:18,243 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-23 13:17:18,243 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-23 13:17:18,243 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-11-23 13:17:18,243 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-11-23 13:17:18,243 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse6 (= ~a1~0 |old(~a1~0)|)) (.cse4 (= ~a19~0 |old(~a19~0)|)) (.cse5 (= |old(~a10~0)| ~a10~0))) (let ((.cse0 (= 7 |old(~a19~0)|)) (.cse7 (< 33 |old(~a1~0)|)) (.cse8 (= 3 |old(~a10~0)|)) (.cse9 (< |old(~a10~0)| 1)) (.cse10 (= 4 |old(~a10~0)|)) (.cse1 (not (= 14 ~a4~0))) (.cse2 (not (= 0 ~a12~0))) (.cse3 (and .cse6 .cse4 .cse5))) (and (or .cse0 (= 10 |old(~a19~0)|) .cse1 .cse2 .cse3) (or (and (and .cse4 .cse5) .cse6) (and (or .cse0 (< 38 |old(~a1~0)|) .cse1 .cse2 (not (= |old(~a10~0)| 0))) (or .cse0 .cse1 .cse2 .cse7 (< 0 |old(~a10~0)|)))) (or (and (= 8 ~a19~0) .cse5) (not (= 8 |old(~a19~0)|))) (or .cse8 .cse9 .cse0 .cse10 .cse1 .cse2 (and .cse4 .cse5 .cse6)) (or .cse8 .cse9 .cse10 .cse3 .cse1 .cse2 .cse7) (or .cse8 .cse10 (< |old(~a10~0)| 2) .cse1 .cse2 .cse3) (or .cse8 .cse9 .cse10 (forall ((v_prenex_33 Int)) (let ((.cse11 (mod v_prenex_33 299890))) (or (<= 0 v_prenex_33) (< |old(~a1~0)| v_prenex_33) (= 0 .cse11) (< |old(~a1~0)| (+ .cse11 221))))) .cse1 .cse2 .cse3)))) [2018-11-23 13:17:18,243 INFO L448 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-11-23 13:17:18,243 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-11-23 13:17:18,243 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-11-23 13:17:18,243 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 13:17:18,244 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 13:17:18,244 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 13:17:18,244 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 13:17:18,244 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 13:17:18,244 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 13:17:18,244 INFO L448 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-11-23 13:17:18,244 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-23 13:17:18,244 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-23 13:17:18,244 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-23 13:17:18,244 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-23 13:17:18,244 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-23 13:17:18,244 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-23 13:17:18,244 INFO L448 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-11-23 13:17:18,244 INFO L448 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-11-23 13:17:18,244 INFO L448 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-11-23 13:17:18,244 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-11-23 13:17:18,245 INFO L448 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-11-23 13:17:18,245 INFO L448 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-11-23 13:17:18,245 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 13:17:18,245 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 13:17:18,245 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 13:17:18,245 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 13:17:18,245 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 13:17:18,245 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 13:17:18,245 INFO L448 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-11-23 13:17:18,245 INFO L448 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-11-23 13:17:18,245 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-11-23 13:17:18,245 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-23 13:17:18,245 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-23 13:17:18,245 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-23 13:17:18,245 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-23 13:17:18,245 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-23 13:17:18,245 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-23 13:17:18,246 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 196) no Hoare annotation was computed. [2018-11-23 13:17:18,246 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-11-23 13:17:18,246 INFO L448 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-11-23 13:17:18,246 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-11-23 13:17:18,246 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 13:17:18,246 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 13:17:18,246 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 13:17:18,246 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 13:17:18,246 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 13:17:18,246 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 13:17:18,246 INFO L448 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-11-23 13:17:18,246 INFO L448 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-11-23 13:17:18,246 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-11-23 13:17:18,246 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-23 13:17:18,247 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-23 13:17:18,247 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-23 13:17:18,247 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-23 13:17:18,247 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-23 13:17:18,247 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-23 13:17:18,247 INFO L448 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-11-23 13:17:18,247 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-11-23 13:17:18,247 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-11-23 13:17:18,247 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 13:17:18,247 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 23 ~a1~0) (not (= 7 ~a19~0)) (<= ~a1~0 23) (not (= ~a19~0 10)) (= ~a12~0 0) (<= ~a10~0 0) (= ~a4~0 14)) [2018-11-23 13:17:18,247 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 13:17:18,247 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 13:17:18,247 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (= 7 |old(~a19~0)|) (< |old(~a1~0)| 23) (= 10 |old(~a19~0)|) (not (= 14 ~a4~0)) (not (= 0 ~a12~0)) (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0)) (< 23 |old(~a1~0)|) (< 0 |old(~a10~0)|)) [2018-11-23 13:17:18,247 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-11-23 13:17:18,248 INFO L444 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse1 (<= 1 ~a10~0)) (.cse5 (not (= 7 ~a19~0))) (.cse3 (<= ~a1~0 33)) (.cse0 (not (= ~a10~0 3))) (.cse2 (= |old(~a10~0)| 0)) (.cse4 (not (= ~a10~0 4)))) (or (< |old(~a1~0)| 23) (= 8 ~a19~0) (not (= 14 ~a4~0)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (< 0 |old(~a10~0)|) (not (= 0 ~a12~0)) (and .cse0 .cse5 .cse1 .cse2 .cse4) (and (<= 23 ~a1~0) (<= ~a1~0 23) (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0)) (and .cse2 (and .cse5 (not (= ~a19~0 10)))) (< 23 |old(~a1~0)|) (or (and (<= ~a1~0 38) .cse5 (= ~a10~0 |old(~a10~0)|) .cse2) (and .cse5 .cse2 (<= ~a10~0 0) .cse3)) (= 7 |old(~a19~0)|) (and (exists ((v_prenex_33 Int) (v_prenex_36 Int)) (let ((.cse6 (mod v_prenex_33 299890))) (and (<= (+ .cse6 221) ~a1~0) (<= (+ v_prenex_33 523690) (div v_prenex_36 5)) (not (= 0 .cse6)) (<= v_prenex_36 198) (< v_prenex_33 0) (<= 110 v_prenex_36)))) (= 1 ~a10~0) (= 0 |old(~a10~0)|)) (and .cse0 .cse2 (<= 2 ~a10~0) .cse4) (= 10 |old(~a19~0)|))) [2018-11-23 13:17:18,248 INFO L448 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-11-23 13:17:18,248 INFO L448 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-11-23 13:17:18,248 INFO L444 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse1 (<= 1 ~a10~0)) (.cse5 (not (= 7 ~a19~0))) (.cse3 (<= ~a1~0 33)) (.cse0 (not (= ~a10~0 3))) (.cse2 (= |old(~a10~0)| 0)) (.cse4 (not (= ~a10~0 4)))) (or (< |old(~a1~0)| 23) (= 8 ~a19~0) (not (= 14 ~a4~0)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (< 0 |old(~a10~0)|) (not (= 0 ~a12~0)) (and .cse0 .cse5 .cse1 .cse2 .cse4) (and (<= 23 ~a1~0) (<= ~a1~0 23) (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0)) (and .cse2 (and .cse5 (not (= ~a19~0 10)))) (< 23 |old(~a1~0)|) (or (and (<= ~a1~0 38) .cse5 (= ~a10~0 |old(~a10~0)|) .cse2) (and .cse5 .cse2 (<= ~a10~0 0) .cse3)) (= 7 |old(~a19~0)|) (and (exists ((v_prenex_33 Int) (v_prenex_36 Int)) (let ((.cse6 (mod v_prenex_33 299890))) (and (<= (+ .cse6 221) ~a1~0) (<= (+ v_prenex_33 523690) (div v_prenex_36 5)) (not (= 0 .cse6)) (<= v_prenex_36 198) (< v_prenex_33 0) (<= 110 v_prenex_36)))) (= 1 ~a10~0) (= 0 |old(~a10~0)|)) (and .cse0 .cse2 (<= 2 ~a10~0) .cse4) (= 10 |old(~a19~0)|))) [2018-11-23 13:17:18,248 INFO L448 ceAbstractionStarter]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2018-11-23 13:17:18,263 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_33,QUANTIFIED] [2018-11-23 13:17:18,263 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_33,QUANTIFIED] [2018-11-23 13:17:18,264 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_36,QUANTIFIED] [2018-11-23 13:17:18,264 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_33,QUANTIFIED] [2018-11-23 13:17:18,264 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_36,QUANTIFIED] [2018-11-23 13:17:18,264 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_33,QUANTIFIED] [2018-11-23 13:17:18,264 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_36,QUANTIFIED] [2018-11-23 13:17:18,271 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_33,QUANTIFIED] [2018-11-23 13:17:18,272 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_33,QUANTIFIED] [2018-11-23 13:17:18,272 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_36,QUANTIFIED] [2018-11-23 13:17:18,272 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_33,QUANTIFIED] [2018-11-23 13:17:18,272 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_36,QUANTIFIED] [2018-11-23 13:17:18,272 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_33,QUANTIFIED] [2018-11-23 13:17:18,273 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_36,QUANTIFIED] [2018-11-23 13:17:18,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:17:18 BoogieIcfgContainer [2018-11-23 13:17:18,275 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 13:17:18,275 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 13:17:18,275 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 13:17:18,276 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 13:17:18,276 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:14:33" (3/4) ... [2018-11-23 13:17:18,281 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 13:17:18,287 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 13:17:18,288 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 13:17:18,288 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 13:17:18,296 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 13:17:18,296 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 13:17:18,319 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((\old(a1) < 23 || 8 == a19) || !(14 == a4)) || ((((!(a10 == 3) && 1 <= a10) && \old(a10) == 0) && a1 <= 33) && !(a10 == 4))) || 0 < \old(a10)) || !(0 == a12)) || ((((!(a10 == 3) && !(7 == a19)) && 1 <= a10) && \old(a10) == 0) && !(a10 == 4))) || (((23 <= a1 && a1 <= 23) && a19 == \old(a19)) && \old(a10) == a10)) || (\old(a10) == 0 && !(7 == a19) && !(a19 == 10))) || 23 < \old(a1)) || (((a1 <= 38 && !(7 == a19)) && a10 == \old(a10)) && \old(a10) == 0) || (((!(7 == a19) && \old(a10) == 0) && a10 <= 0) && a1 <= 33)) || 7 == \old(a19)) || (((\exists v_prenex_33 : int, v_prenex_36 : int :: ((((v_prenex_33 % 299890 + 221 <= a1 && v_prenex_33 + 523690 <= v_prenex_36 / 5) && !(0 == v_prenex_33 % 299890)) && v_prenex_36 <= 198) && v_prenex_33 < 0) && 110 <= v_prenex_36) && 1 == a10) && 0 == \old(a10))) || (((!(a10 == 3) && \old(a10) == 0) && 2 <= a10) && !(a10 == 4))) || 10 == \old(a19) [2018-11-23 13:17:18,381 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c7efa43a-7115-4c27-9ea9-45c15cd36d42/bin-2019/uautomizer/witness.graphml [2018-11-23 13:17:18,381 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 13:17:18,382 INFO L168 Benchmark]: Toolchain (without parser) took 166884.31 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 863.0 MB). Free memory was 956.4 MB in the beginning and 1.2 GB in the end (delta: -228.7 MB). Peak memory consumption was 634.3 MB. Max. memory is 11.5 GB. [2018-11-23 13:17:18,382 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:17:18,382 INFO L168 Benchmark]: CACSL2BoogieTranslator took 388.93 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 918.9 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-23 13:17:18,382 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 918.9 MB in the beginning and 1.1 GB in the end (delta: -222.8 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2018-11-23 13:17:18,383 INFO L168 Benchmark]: Boogie Preprocessor took 53.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-23 13:17:18,383 INFO L168 Benchmark]: RCFGBuilder took 1067.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 109.4 MB). Peak memory consumption was 109.4 MB. Max. memory is 11.5 GB. [2018-11-23 13:17:18,383 INFO L168 Benchmark]: TraceAbstraction took 165190.76 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 714.6 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -176.3 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. [2018-11-23 13:17:18,383 INFO L168 Benchmark]: Witness Printer took 105.70 ms. Allocated memory is still 1.9 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2018-11-23 13:17:18,385 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 388.93 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 918.9 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 74.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 918.9 MB in the beginning and 1.1 GB in the end (delta: -222.8 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1067.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 109.4 MB). Peak memory consumption was 109.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 165190.76 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 714.6 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -176.3 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. * Witness Printer took 105.70 ms. Allocated memory is still 1.9 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 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_prenex_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_33,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_36,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 196]: 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 [2018-11-23 13:17:18,388 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_33,QUANTIFIED] [2018-11-23 13:17:18,388 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_33,QUANTIFIED] [2018-11-23 13:17:18,389 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_36,QUANTIFIED] [2018-11-23 13:17:18,389 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_33,QUANTIFIED] [2018-11-23 13:17:18,389 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_36,QUANTIFIED] [2018-11-23 13:17:18,389 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_33,QUANTIFIED] [2018-11-23 13:17:18,389 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_36,QUANTIFIED] [2018-11-23 13:17:18,390 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_33,QUANTIFIED] [2018-11-23 13:17:18,390 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_33,QUANTIFIED] [2018-11-23 13:17:18,390 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_36,QUANTIFIED] [2018-11-23 13:17:18,390 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_33,QUANTIFIED] [2018-11-23 13:17:18,391 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_36,QUANTIFIED] [2018-11-23 13:17:18,391 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_33,QUANTIFIED] [2018-11-23 13:17:18,391 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_36,QUANTIFIED] Derived loop invariant: (((((((((((((\old(a1) < 23 || 8 == a19) || !(14 == a4)) || ((((!(a10 == 3) && 1 <= a10) && \old(a10) == 0) && a1 <= 33) && !(a10 == 4))) || 0 < \old(a10)) || !(0 == a12)) || ((((!(a10 == 3) && !(7 == a19)) && 1 <= a10) && \old(a10) == 0) && !(a10 == 4))) || (((23 <= a1 && a1 <= 23) && a19 == \old(a19)) && \old(a10) == a10)) || (\old(a10) == 0 && !(7 == a19) && !(a19 == 10))) || 23 < \old(a1)) || (((a1 <= 38 && !(7 == a19)) && a10 == \old(a10)) && \old(a10) == 0) || (((!(7 == a19) && \old(a10) == 0) && a10 <= 0) && a1 <= 33)) || 7 == \old(a19)) || (((\exists v_prenex_33 : int, v_prenex_36 : int :: ((((v_prenex_33 % 299890 + 221 <= a1 && v_prenex_33 + 523690 <= v_prenex_36 / 5) && !(0 == v_prenex_33 % 299890)) && v_prenex_36 <= 198) && v_prenex_33 < 0) && 110 <= v_prenex_36) && 1 == a10) && 0 == \old(a10))) || (((!(a10 == 3) && \old(a10) == 0) && 2 <= a10) && !(a10 == 4))) || 10 == \old(a19) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. SAFE Result, 165.1s OverallTime, 11 OverallIterations, 4 TraceHistogramMax, 99.9s AutomataDifference, 0.0s DeadEndRemovalTime, 42.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 899 SDtfs, 13395 SDslu, 2156 SDs, 0 SdLazy, 31129 SolverSat, 4167 SolverUnsat, 34 SolverUnknown, 0 SolverNotchecked, 76.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2344 GetRequests, 2112 SyntacticMatches, 14 SemanticMatches, 218 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2376 ImplicationChecksByTransitivity, 37.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10713occurred in iteration=9, 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: 0.7s AutomataMinimizationTime, 11 MinimizatonAttempts, 2555 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 293 PreInvPairs, 537 NumberOfFragments, 659 HoareAnnotationTreeSize, 293 FomulaSimplifications, 86982 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 40580 FormulaSimplificationTreeSizeReductionInter, 41.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 19.9s InterpolantComputationTime, 4957 NumberOfCodeBlocks, 4957 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 4940 ConstructedInterpolants, 78 QuantifiedInterpolants, 8175284 SizeOfPredicates, 14 NumberOfNonLiveVariables, 3252 ConjunctsInSsa, 70 ConjunctsInUnsatCore, 17 InterpolantComputations, 7 PerfectInterpolantSequences, 4237/5479 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...