./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label37_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_bf6a7e30-e129-4756-88e5-db9cacbebf73/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bf6a7e30-e129-4756-88e5-db9cacbebf73/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bf6a7e30-e129-4756-88e5-db9cacbebf73/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bf6a7e30-e129-4756-88e5-db9cacbebf73/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label37_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_bf6a7e30-e129-4756-88e5-db9cacbebf73/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bf6a7e30-e129-4756-88e5-db9cacbebf73/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b3ccc46b30bd9e1d865272aecfdf21618e4ebade ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 11:58:30,601 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 11:58:30,602 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 11:58:30,608 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 11:58:30,609 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 11:58:30,609 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 11:58:30,610 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 11:58:30,611 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 11:58:30,612 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 11:58:30,612 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 11:58:30,613 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 11:58:30,613 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 11:58:30,613 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 11:58:30,614 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 11:58:30,615 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 11:58:30,615 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 11:58:30,616 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 11:58:30,616 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 11:58:30,618 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 11:58:30,618 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 11:58:30,619 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 11:58:30,620 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 11:58:30,621 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 11:58:30,621 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 11:58:30,621 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 11:58:30,622 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 11:58:30,622 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 11:58:30,623 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 11:58:30,623 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 11:58:30,624 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 11:58:30,624 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 11:58:30,624 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 11:58:30,624 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 11:58:30,624 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 11:58:30,625 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 11:58:30,625 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 11:58:30,626 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bf6a7e30-e129-4756-88e5-db9cacbebf73/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 11:58:30,633 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 11:58:30,634 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 11:58:30,634 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 11:58:30,634 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 11:58:30,634 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 11:58:30,635 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 11:58:30,635 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 11:58:30,635 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 11:58:30,635 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 11:58:30,635 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 11:58:30,635 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 11:58:30,635 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 11:58:30,635 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 11:58:30,636 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 11:58:30,636 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 11:58:30,636 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 11:58:30,636 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 11:58:30,636 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 11:58:30,637 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 11:58:30,637 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 11:58:30,637 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 11:58:30,637 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 11:58:30,637 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 11:58:30,637 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 11:58:30,637 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 11:58:30,637 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 11:58:30,638 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 11:58:30,638 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 11:58:30,638 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 11:58:30,638 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 11:58:30,638 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 11:58:30,638 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 11:58:30,638 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 11:58:30,638 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 11:58:30,639 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 11:58:30,639 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 11:58:30,639 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_bf6a7e30-e129-4756-88e5-db9cacbebf73/bin-2019/utaipan 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 -> Taipan 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 -> b3ccc46b30bd9e1d865272aecfdf21618e4ebade [2018-12-09 11:58:30,656 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 11:58:30,663 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 11:58:30,665 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 11:58:30,666 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 11:58:30,666 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 11:58:30,666 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bf6a7e30-e129-4756-88e5-db9cacbebf73/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem10_label37_true-unreach-call.c [2018-12-09 11:58:30,700 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bf6a7e30-e129-4756-88e5-db9cacbebf73/bin-2019/utaipan/data/478ddc42a/229bd603fbf94bd0a170942227c15269/FLAGe07f8def0 [2018-12-09 11:58:31,104 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 11:58:31,104 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bf6a7e30-e129-4756-88e5-db9cacbebf73/sv-benchmarks/c/eca-rers2012/Problem10_label37_true-unreach-call.c [2018-12-09 11:58:31,110 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bf6a7e30-e129-4756-88e5-db9cacbebf73/bin-2019/utaipan/data/478ddc42a/229bd603fbf94bd0a170942227c15269/FLAGe07f8def0 [2018-12-09 11:58:31,439 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bf6a7e30-e129-4756-88e5-db9cacbebf73/bin-2019/utaipan/data/478ddc42a/229bd603fbf94bd0a170942227c15269 [2018-12-09 11:58:31,445 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 11:58:31,448 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 11:58:31,450 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 11:58:31,450 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 11:58:31,457 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 11:58:31,458 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:58:31" (1/1) ... [2018-12-09 11:58:31,463 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fef4084 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:58:31, skipping insertion in model container [2018-12-09 11:58:31,464 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:58:31" (1/1) ... [2018-12-09 11:58:31,476 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 11:58:31,505 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 11:58:31,674 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:58:31,677 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 11:58:31,724 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:58:31,771 INFO L195 MainTranslator]: Completed translation [2018-12-09 11:58:31,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:58:31 WrapperNode [2018-12-09 11:58:31,771 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 11:58:31,772 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 11:58:31,772 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 11:58:31,772 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 11:58:31,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:58:31" (1/1) ... [2018-12-09 11:58:31,786 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:58:31" (1/1) ... [2018-12-09 11:58:31,790 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 11:58:31,791 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 11:58:31,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 11:58:31,791 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 11:58:31,797 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:58:31" (1/1) ... [2018-12-09 11:58:31,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:58:31" (1/1) ... [2018-12-09 11:58:31,799 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:58:31" (1/1) ... [2018-12-09 11:58:31,799 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:58:31" (1/1) ... [2018-12-09 11:58:31,814 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:58:31" (1/1) ... [2018-12-09 11:58:31,821 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:58:31" (1/1) ... [2018-12-09 11:58:31,824 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:58:31" (1/1) ... [2018-12-09 11:58:31,828 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 11:58:31,829 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 11:58:31,829 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 11:58:31,829 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 11:58:31,829 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:58:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bf6a7e30-e129-4756-88e5-db9cacbebf73/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 11:58:31,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 11:58:31,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 11:58:31,862 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-09 11:58:31,862 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-09 11:58:31,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 11:58:31,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 11:58:31,862 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 11:58:31,862 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 11:58:32,432 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 11:58:32,432 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 11:58:32,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:58:32 BoogieIcfgContainer [2018-12-09 11:58:32,433 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 11:58:32,433 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 11:58:32,434 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 11:58:32,436 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 11:58:32,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 11:58:31" (1/3) ... [2018-12-09 11:58:32,437 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4be72dd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 11:58:32, skipping insertion in model container [2018-12-09 11:58:32,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:58:31" (2/3) ... [2018-12-09 11:58:32,437 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4be72dd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 11:58:32, skipping insertion in model container [2018-12-09 11:58:32,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:58:32" (3/3) ... [2018-12-09 11:58:32,439 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label37_true-unreach-call.c [2018-12-09 11:58:32,447 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 11:58:32,453 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 11:58:32,467 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 11:58:32,495 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 11:58:32,495 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 11:58:32,495 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 11:58:32,495 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 11:58:32,495 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 11:58:32,495 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 11:58:32,496 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 11:58:32,496 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 11:58:32,514 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2018-12-09 11:58:32,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-09 11:58:32,519 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:58:32,520 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] [2018-12-09 11:58:32,522 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:58:32,525 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:58:32,525 INFO L82 PathProgramCache]: Analyzing trace with hash -1887592417, now seen corresponding path program 1 times [2018-12-09 11:58:32,527 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:58:32,556 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:58:32,556 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:58:32,557 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:58:32,557 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:58:32,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:58:32,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:58:32,703 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:58:32,703 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 11:58:32,703 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:58:32,707 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 11:58:32,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 11:58:32,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 11:58:32,721 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2018-12-09 11:58:33,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:58:33,519 INFO L93 Difference]: Finished difference Result 733 states and 1294 transitions. [2018-12-09 11:58:33,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 11:58:33,520 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 60 [2018-12-09 11:58:33,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:58:33,529 INFO L225 Difference]: With dead ends: 733 [2018-12-09 11:58:33,530 INFO L226 Difference]: Without dead ends: 437 [2018-12-09 11:58:33,533 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 11:58:33,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2018-12-09 11:58:33,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 294. [2018-12-09 11:58:33,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2018-12-09 11:58:33,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 426 transitions. [2018-12-09 11:58:33,570 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 426 transitions. Word has length 60 [2018-12-09 11:58:33,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:58:33,571 INFO L480 AbstractCegarLoop]: Abstraction has 294 states and 426 transitions. [2018-12-09 11:58:33,571 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 11:58:33,571 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 426 transitions. [2018-12-09 11:58:33,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-09 11:58:33,574 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:58:33,574 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:58:33,574 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:58:33,574 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:58:33,575 INFO L82 PathProgramCache]: Analyzing trace with hash 597106810, now seen corresponding path program 1 times [2018-12-09 11:58:33,575 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:58:33,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:58:33,575 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:58:33,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:58:33,576 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:58:33,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:58:33,710 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:58:33,710 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:58:33,710 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 11:58:33,710 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:58:33,711 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 11:58:33,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 11:58:33,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 11:58:33,712 INFO L87 Difference]: Start difference. First operand 294 states and 426 transitions. Second operand 6 states. [2018-12-09 11:58:34,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:58:34,197 INFO L93 Difference]: Finished difference Result 890 states and 1324 transitions. [2018-12-09 11:58:34,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 11:58:34,197 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 134 [2018-12-09 11:58:34,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:58:34,202 INFO L225 Difference]: With dead ends: 890 [2018-12-09 11:58:34,202 INFO L226 Difference]: Without dead ends: 602 [2018-12-09 11:58:34,203 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-09 11:58:34,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2018-12-09 11:58:34,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 590. [2018-12-09 11:58:34,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 590 states. [2018-12-09 11:58:34,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 856 transitions. [2018-12-09 11:58:34,231 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 856 transitions. Word has length 134 [2018-12-09 11:58:34,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:58:34,231 INFO L480 AbstractCegarLoop]: Abstraction has 590 states and 856 transitions. [2018-12-09 11:58:34,231 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 11:58:34,231 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 856 transitions. [2018-12-09 11:58:34,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-09 11:58:34,234 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:58:34,234 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:58:34,234 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:58:34,234 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:58:34,234 INFO L82 PathProgramCache]: Analyzing trace with hash 1573383766, now seen corresponding path program 1 times [2018-12-09 11:58:34,234 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:58:34,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:58:34,235 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:58:34,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:58:34,236 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:58:34,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:58:34,348 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:58:34,348 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:58:34,348 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 11:58:34,348 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:58:34,348 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 11:58:34,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 11:58:34,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 11:58:34,349 INFO L87 Difference]: Start difference. First operand 590 states and 856 transitions. Second operand 6 states. [2018-12-09 11:58:34,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:58:34,773 INFO L93 Difference]: Finished difference Result 1484 states and 2197 transitions. [2018-12-09 11:58:34,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 11:58:34,773 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 136 [2018-12-09 11:58:34,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:58:34,776 INFO L225 Difference]: With dead ends: 1484 [2018-12-09 11:58:34,776 INFO L226 Difference]: Without dead ends: 900 [2018-12-09 11:58:34,777 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-09 11:58:34,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2018-12-09 11:58:34,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 888. [2018-12-09 11:58:34,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 888 states. [2018-12-09 11:58:34,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 888 states and 1227 transitions. [2018-12-09 11:58:34,795 INFO L78 Accepts]: Start accepts. Automaton has 888 states and 1227 transitions. Word has length 136 [2018-12-09 11:58:34,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:58:34,796 INFO L480 AbstractCegarLoop]: Abstraction has 888 states and 1227 transitions. [2018-12-09 11:58:34,796 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 11:58:34,796 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1227 transitions. [2018-12-09 11:58:34,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-09 11:58:34,797 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:58:34,797 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:58:34,797 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:58:34,797 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:58:34,797 INFO L82 PathProgramCache]: Analyzing trace with hash -1984546499, now seen corresponding path program 1 times [2018-12-09 11:58:34,798 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:58:34,798 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:58:34,798 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:58:34,798 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:58:34,798 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:58:34,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:58:34,860 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:58:34,860 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:58:34,860 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 11:58:34,860 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:58:34,861 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 11:58:34,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 11:58:34,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 11:58:34,861 INFO L87 Difference]: Start difference. First operand 888 states and 1227 transitions. Second operand 4 states. [2018-12-09 11:58:35,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:58:35,399 INFO L93 Difference]: Finished difference Result 2058 states and 2864 transitions. [2018-12-09 11:58:35,399 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 11:58:35,399 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 139 [2018-12-09 11:58:35,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:58:35,404 INFO L225 Difference]: With dead ends: 2058 [2018-12-09 11:58:35,404 INFO L226 Difference]: Without dead ends: 1176 [2018-12-09 11:58:35,405 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 11:58:35,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1176 states. [2018-12-09 11:58:35,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1176 to 1176. [2018-12-09 11:58:35,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1176 states. [2018-12-09 11:58:35,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 1176 states and 1521 transitions. [2018-12-09 11:58:35,432 INFO L78 Accepts]: Start accepts. Automaton has 1176 states and 1521 transitions. Word has length 139 [2018-12-09 11:58:35,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:58:35,433 INFO L480 AbstractCegarLoop]: Abstraction has 1176 states and 1521 transitions. [2018-12-09 11:58:35,433 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 11:58:35,433 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 1521 transitions. [2018-12-09 11:58:35,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-09 11:58:35,435 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:58:35,435 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:58:35,435 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:58:35,435 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:58:35,435 INFO L82 PathProgramCache]: Analyzing trace with hash -1888530915, now seen corresponding path program 1 times [2018-12-09 11:58:35,435 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:58:35,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:58:35,436 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:58:35,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:58:35,436 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:58:35,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:58:35,510 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:58:35,511 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:58:35,511 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 11:58:35,511 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:58:35,511 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 11:58:35,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 11:58:35,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 11:58:35,511 INFO L87 Difference]: Start difference. First operand 1176 states and 1521 transitions. Second operand 6 states. [2018-12-09 11:58:35,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:58:35,954 INFO L93 Difference]: Finished difference Result 2845 states and 3820 transitions. [2018-12-09 11:58:35,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 11:58:35,954 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 155 [2018-12-09 11:58:35,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:58:35,961 INFO L225 Difference]: With dead ends: 2845 [2018-12-09 11:58:35,961 INFO L226 Difference]: Without dead ends: 1675 [2018-12-09 11:58:35,964 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-09 11:58:35,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1675 states. [2018-12-09 11:58:36,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1675 to 1635. [2018-12-09 11:58:36,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1635 states. [2018-12-09 11:58:36,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1635 states to 1635 states and 2017 transitions. [2018-12-09 11:58:36,006 INFO L78 Accepts]: Start accepts. Automaton has 1635 states and 2017 transitions. Word has length 155 [2018-12-09 11:58:36,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:58:36,006 INFO L480 AbstractCegarLoop]: Abstraction has 1635 states and 2017 transitions. [2018-12-09 11:58:36,006 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 11:58:36,007 INFO L276 IsEmpty]: Start isEmpty. Operand 1635 states and 2017 transitions. [2018-12-09 11:58:36,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-12-09 11:58:36,010 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:58:36,011 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, 2, 2, 2, 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] [2018-12-09 11:58:36,011 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:58:36,011 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:58:36,011 INFO L82 PathProgramCache]: Analyzing trace with hash 1010882157, now seen corresponding path program 1 times [2018-12-09 11:58:36,011 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:58:36,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:58:36,012 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:58:36,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:58:36,012 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:58:36,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:58:36,124 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-12-09 11:58:36,124 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 11:58:36,124 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 11:58:36,124 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 229 with the following transitions: [2018-12-09 11:58:36,126 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [389], [391], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [538], [539], [543], [547], [551], [555], [559], [563], [567], [570], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-12-09 11:58:36,152 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 11:58:36,152 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 11:58:36,381 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 11:58:36,383 INFO L272 AbstractInterpreter]: Visited 93 different actions 93 times. Never merged. Never widened. Performed 848 root evaluator evaluations with a maximum evaluation depth of 9. Performed 848 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Never found a fixpoint. Largest state had 24 variables. [2018-12-09 11:58:36,389 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:58:36,389 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 11:58:36,701 INFO L227 lantSequenceWeakener]: Weakened 219 states. On average, predicates are now at 73.52% of their original sizes. [2018-12-09 11:58:36,701 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 11:58:36,723 INFO L418 sIntCurrentIteration]: We unified 227 AI predicates to 227 [2018-12-09 11:58:36,723 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 11:58:36,724 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 11:58:36,724 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [4] total 8 [2018-12-09 11:58:36,724 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:58:36,724 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 11:58:36,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 11:58:36,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 11:58:36,724 INFO L87 Difference]: Start difference. First operand 1635 states and 2017 transitions. Second operand 6 states. [2018-12-09 11:58:44,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:58:44,387 INFO L93 Difference]: Finished difference Result 3408 states and 4208 transitions. [2018-12-09 11:58:44,387 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 11:58:44,388 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 228 [2018-12-09 11:58:44,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:58:44,392 INFO L225 Difference]: With dead ends: 3408 [2018-12-09 11:58:44,392 INFO L226 Difference]: Without dead ends: 1779 [2018-12-09 11:58:44,394 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 228 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-09 11:58:44,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1779 states. [2018-12-09 11:58:44,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1779 to 1778. [2018-12-09 11:58:44,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1778 states. [2018-12-09 11:58:44,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1778 states to 1778 states and 2168 transitions. [2018-12-09 11:58:44,427 INFO L78 Accepts]: Start accepts. Automaton has 1778 states and 2168 transitions. Word has length 228 [2018-12-09 11:58:44,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:58:44,428 INFO L480 AbstractCegarLoop]: Abstraction has 1778 states and 2168 transitions. [2018-12-09 11:58:44,428 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 11:58:44,428 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states and 2168 transitions. [2018-12-09 11:58:44,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-12-09 11:58:44,432 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:58:44,432 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, 2, 2, 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] [2018-12-09 11:58:44,432 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:58:44,433 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:58:44,433 INFO L82 PathProgramCache]: Analyzing trace with hash 1371500715, now seen corresponding path program 1 times [2018-12-09 11:58:44,433 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:58:44,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:58:44,433 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:58:44,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:58:44,434 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:58:44,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:58:44,584 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 107 proven. 5 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-09 11:58:44,584 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 11:58:44,584 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 11:58:44,584 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 261 with the following transitions: [2018-12-09 11:58:44,585 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [389], [391], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [702], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-12-09 11:58:44,587 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 11:58:44,588 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 11:58:44,771 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 11:58:44,771 INFO L272 AbstractInterpreter]: Visited 130 different actions 382 times. Merged at 6 different actions 13 times. Never widened. Performed 4115 root evaluator evaluations with a maximum evaluation depth of 8. Performed 4115 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-09 11:58:44,773 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:58:44,773 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 11:58:44,773 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 11:58:44,773 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bf6a7e30-e129-4756-88e5-db9cacbebf73/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 11:58:44,780 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:58:44,780 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 11:58:44,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:58:44,844 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 11:58:44,934 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 183 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:58:44,934 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 11:58:45,052 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 183 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:58:45,076 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 11:58:45,077 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-12-09 11:58:45,077 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 11:58:45,077 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-09 11:58:45,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-09 11:58:45,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-12-09 11:58:45,078 INFO L87 Difference]: Start difference. First operand 1778 states and 2168 transitions. Second operand 11 states. [2018-12-09 11:58:46,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:58:46,675 INFO L93 Difference]: Finished difference Result 5288 states and 6537 transitions. [2018-12-09 11:58:46,675 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-12-09 11:58:46,675 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 260 [2018-12-09 11:58:46,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:58:46,681 INFO L225 Difference]: With dead ends: 5288 [2018-12-09 11:58:46,681 INFO L226 Difference]: Without dead ends: 2348 [2018-12-09 11:58:46,686 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 551 GetRequests, 524 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=168, Invalid=432, Unknown=0, NotChecked=0, Total=600 [2018-12-09 11:58:46,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2348 states. [2018-12-09 11:58:46,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2348 to 2195. [2018-12-09 11:58:46,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2195 states. [2018-12-09 11:58:46,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2195 states to 2195 states and 2521 transitions. [2018-12-09 11:58:46,718 INFO L78 Accepts]: Start accepts. Automaton has 2195 states and 2521 transitions. Word has length 260 [2018-12-09 11:58:46,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:58:46,719 INFO L480 AbstractCegarLoop]: Abstraction has 2195 states and 2521 transitions. [2018-12-09 11:58:46,719 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-09 11:58:46,719 INFO L276 IsEmpty]: Start isEmpty. Operand 2195 states and 2521 transitions. [2018-12-09 11:58:46,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-12-09 11:58:46,722 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:58:46,722 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 11:58:46,723 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:58:46,723 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:58:46,723 INFO L82 PathProgramCache]: Analyzing trace with hash -1088611893, now seen corresponding path program 1 times [2018-12-09 11:58:46,723 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:58:46,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:58:46,724 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:58:46,724 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:58:46,724 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:58:46,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:58:46,860 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-12-09 11:58:46,860 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:58:46,860 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 11:58:46,860 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:58:46,861 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 11:58:46,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 11:58:46,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 11:58:46,861 INFO L87 Difference]: Start difference. First operand 2195 states and 2521 transitions. Second operand 4 states. [2018-12-09 11:58:47,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:58:47,189 INFO L93 Difference]: Finished difference Result 2195 states and 2521 transitions. [2018-12-09 11:58:47,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 11:58:47,190 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 316 [2018-12-09 11:58:47,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:58:47,190 INFO L225 Difference]: With dead ends: 2195 [2018-12-09 11:58:47,190 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 11:58:47,193 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 11:58:47,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 11:58:47,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 11:58:47,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 11:58:47,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 11:58:47,193 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 316 [2018-12-09 11:58:47,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:58:47,194 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 11:58:47,194 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 11:58:47,194 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 11:58:47,194 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 11:58:47,197 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 11:58:47,231 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:58:47,238 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:58:47,260 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:58:47,269 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:58:47,747 WARN L180 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 61 [2018-12-09 11:58:47,952 WARN L180 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 51 [2018-12-09 11:58:48,129 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 51 [2018-12-09 11:58:48,130 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 11:58:48,131 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a19~0)| ~a19~0) (= |old(~a10~0)| ~a10~0)) [2018-12-09 11:58:48,131 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 11:58:48,131 INFO L448 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-12-09 11:58:48,131 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 11:58:48,131 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 11:58:48,131 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 11:58:48,131 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 11:58:48,131 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 11:58:48,131 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 11:58:48,131 INFO L448 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-12-09 11:58:48,131 INFO L448 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-12-09 11:58:48,131 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-09 11:58:48,131 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-09 11:58:48,132 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-09 11:58:48,132 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-09 11:58:48,132 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-09 11:58:48,132 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-09 11:58:48,132 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-12-09 11:58:48,132 INFO L448 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-12-09 11:58:48,132 INFO L448 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-12-09 11:58:48,132 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 11:58:48,132 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 11:58:48,132 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 11:58:48,132 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 11:58:48,132 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 11:58:48,132 INFO L448 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-12-09 11:58:48,132 INFO L448 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-12-09 11:58:48,132 INFO L448 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-12-09 11:58:48,132 INFO L448 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-12-09 11:58:48,133 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-09 11:58:48,133 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-09 11:58:48,133 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-09 11:58:48,133 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-09 11:58:48,133 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-09 11:58:48,133 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-12-09 11:58:48,133 INFO L448 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-12-09 11:58:48,133 INFO L448 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-12-09 11:58:48,133 INFO L448 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-12-09 11:58:48,133 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-12-09 11:58:48,133 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 11:58:48,133 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 11:58:48,133 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 11:58:48,133 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 11:58:48,133 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 11:58:48,133 INFO L448 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-12-09 11:58:48,133 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-09 11:58:48,134 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-09 11:58:48,134 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-09 11:58:48,134 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-09 11:58:48,134 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-09 11:58:48,134 INFO L448 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-12-09 11:58:48,134 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-12-09 11:58:48,134 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-12-09 11:58:48,134 INFO L448 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-12-09 11:58:48,134 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 11:58:48,134 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 11:58:48,134 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 11:58:48,134 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 11:58:48,134 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 11:58:48,134 INFO L448 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-12-09 11:58:48,134 INFO L448 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-12-09 11:58:48,134 INFO L448 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-12-09 11:58:48,134 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-09 11:58:48,134 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-09 11:58:48,135 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-09 11:58:48,135 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-09 11:58:48,135 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-09 11:58:48,135 INFO L448 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-12-09 11:58:48,135 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-12-09 11:58:48,135 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-12-09 11:58:48,135 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-12-09 11:58:48,135 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-12-09 11:58:48,135 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 11:58:48,135 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 11:58:48,135 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 11:58:48,135 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 11:58:48,135 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 11:58:48,135 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-09 11:58:48,135 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-09 11:58:48,135 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-09 11:58:48,135 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-09 11:58:48,135 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-09 11:58:48,136 INFO L448 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-12-09 11:58:48,136 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-12-09 11:58:48,136 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-12-09 11:58:48,136 INFO L448 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-12-09 11:58:48,136 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 11:58:48,136 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 11:58:48,136 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 11:58:48,136 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 11:58:48,136 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 11:58:48,136 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-12-09 11:58:48,136 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-12-09 11:58:48,136 INFO L448 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-12-09 11:58:48,136 INFO L448 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-12-09 11:58:48,136 INFO L448 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-12-09 11:58:48,136 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-12-09 11:58:48,136 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-09 11:58:48,136 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-09 11:58:48,136 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-09 11:58:48,136 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-09 11:58:48,137 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-09 11:58:48,137 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-12-09 11:58:48,137 INFO L448 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-12-09 11:58:48,137 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-12-09 11:58:48,137 INFO L448 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-12-09 11:58:48,137 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 11:58:48,137 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 11:58:48,137 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 11:58:48,137 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 11:58:48,137 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-12-09 11:58:48,137 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 11:58:48,137 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2018-12-09 11:58:48,137 INFO L448 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-12-09 11:58:48,137 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-12-09 11:58:48,137 INFO L448 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-12-09 11:58:48,137 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-09 11:58:48,137 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-09 11:58:48,137 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-09 11:58:48,138 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-09 11:58:48,138 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-09 11:58:48,138 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-12-09 11:58:48,138 INFO L448 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-12-09 11:58:48,138 INFO L448 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-12-09 11:58:48,138 INFO L448 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-12-09 11:58:48,138 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-12-09 11:58:48,138 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 11:58:48,138 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 11:58:48,138 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 11:58:48,138 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 11:58:48,138 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 11:58:48,138 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 11:58:48,138 INFO L448 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-12-09 11:58:48,138 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-12-09 11:58:48,138 INFO L448 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-12-09 11:58:48,138 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-09 11:58:48,138 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-09 11:58:48,138 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-09 11:58:48,139 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-09 11:58:48,139 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-09 11:58:48,139 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-09 11:58:48,139 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-12-09 11:58:48,139 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-12-09 11:58:48,139 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse12 (= |old(~a19~0)| ~a19~0)) (.cse10 (<= ~a1~0 38)) (.cse6 (= |old(~a10~0)| ~a10~0)) (.cse11 (= 1 |old(~a10~0)|))) (let ((.cse5 (< 8 |old(~a19~0)|)) (.cse0 (not (= 9 |old(~a19~0)|))) (.cse1 (not .cse11)) (.cse9 (= 8 |old(~a19~0)|)) (.cse8 (and .cse12 .cse10 .cse6)) (.cse4 (= 4 |old(~a10~0)|)) (.cse7 (< 38 |old(~a1~0)|)) (.cse3 (= 3 |old(~a10~0)|)) (.cse2 (and .cse12 .cse6))) (and (or (not (= 14 ~a4~0)) (not (= 23 |old(~a1~0)|)) (= |calculate_output_#in~input| 0) (= ~a1~0 23) (not (= 0 ~a12~0)) .cse0 (not (= 0 |old(~a10~0)|))) (or .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse2) (or (and (<= ~a19~0 |old(~a19~0)|) .cse6 (<= 9 ~a19~0)) .cse0) (or .cse7 .cse5 .cse8 .cse9) (or .cse7 .cse0 .cse10) (or .cse10 .cse1 .cse7 .cse9) (or .cse3 .cse8 .cse4 .cse7 .cse11) (or .cse3 (= 7 |old(~a19~0)|) (= 10 |old(~a19~0)|) .cse2)))) [2018-12-09 11:58:48,139 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 166) no Hoare annotation was computed. [2018-12-09 11:58:48,139 INFO L448 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-12-09 11:58:48,139 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-12-09 11:58:48,139 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-12-09 11:58:48,139 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 11:58:48,139 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 11:58:48,139 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 11:58:48,139 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 11:58:48,140 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 11:58:48,140 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 11:58:48,140 INFO L448 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-12-09 11:58:48,140 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-09 11:58:48,140 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-09 11:58:48,140 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-09 11:58:48,140 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-09 11:58:48,140 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-09 11:58:48,140 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-09 11:58:48,140 INFO L448 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-12-09 11:58:48,140 INFO L448 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-12-09 11:58:48,140 INFO L448 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-12-09 11:58:48,140 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-12-09 11:58:48,140 INFO L448 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-12-09 11:58:48,140 INFO L448 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-12-09 11:58:48,140 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 11:58:48,140 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 11:58:48,140 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 11:58:48,141 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 11:58:48,141 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 11:58:48,141 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 11:58:48,141 INFO L448 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-12-09 11:58:48,141 INFO L448 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-12-09 11:58:48,141 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-12-09 11:58:48,141 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-09 11:58:48,141 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-09 11:58:48,141 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-09 11:58:48,141 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-09 11:58:48,141 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-09 11:58:48,141 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-09 11:58:48,141 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-12-09 11:58:48,141 INFO L448 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-12-09 11:58:48,141 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-12-09 11:58:48,141 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 11:58:48,141 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 11:58:48,141 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 11:58:48,141 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 11:58:48,142 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 11:58:48,142 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2018-12-09 11:58:48,142 INFO L448 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-12-09 11:58:48,142 INFO L448 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-12-09 11:58:48,142 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-12-09 11:58:48,142 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-09 11:58:48,142 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-09 11:58:48,142 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-09 11:58:48,142 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-09 11:58:48,142 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-09 11:58:48,142 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-09 11:58:48,142 INFO L448 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-12-09 11:58:48,142 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-12-09 11:58:48,142 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-12-09 11:58:48,142 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 11:58:48,142 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 9) (= ~a10~0 0) (= ~a12~0 0) (= ~a1~0 23) (= ~a4~0 14)) [2018-12-09 11:58:48,142 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 11:58:48,143 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 11:58:48,143 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (= 14 ~a4~0)) (not (= 23 |old(~a1~0)|)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 0 |old(~a10~0)|)) (and (= |old(~a19~0)| ~a19~0) (= ~a1~0 23) (= |old(~a10~0)| ~a10~0))) [2018-12-09 11:58:48,143 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-12-09 11:58:48,143 INFO L444 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (not (= ~a10~0 3))) (.cse3 (not (= ~a19~0 10))) (.cse2 (not (= 4 ~a10~0))) (.cse1 (<= ~a1~0 38))) (or (= 1 ~a10~0) (and .cse0 .cse1 .cse2) (and (<= ~a19~0 |old(~a19~0)|) (<= 9 ~a19~0)) (not (= 23 |old(~a1~0)|)) (and (not (= 7 ~a19~0)) (and .cse0 .cse3)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 0 |old(~a10~0)|)) (not (= 14 ~a4~0)) (and .cse0 .cse3 .cse2) (and .cse1 (not (= ~a19~0 8)) (<= ~a19~0 8)))) [2018-12-09 11:58:48,143 INFO L448 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-12-09 11:58:48,143 INFO L448 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-12-09 11:58:48,143 INFO L444 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (not (= ~a10~0 3))) (.cse3 (not (= ~a19~0 10))) (.cse2 (not (= 4 ~a10~0))) (.cse1 (<= ~a1~0 38))) (or (= 1 ~a10~0) (and .cse0 .cse1 .cse2) (and (<= ~a19~0 |old(~a19~0)|) (<= 9 ~a19~0)) (not (= 23 |old(~a1~0)|)) (and (not (= 7 ~a19~0)) (and .cse0 .cse3)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 0 |old(~a10~0)|)) (not (= 14 ~a4~0)) (and .cse0 .cse3 .cse2) (and .cse1 (not (= ~a19~0 8)) (<= ~a19~0 8)))) [2018-12-09 11:58:48,143 INFO L448 ceAbstractionStarter]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2018-12-09 11:58:48,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 11:58:48 BoogieIcfgContainer [2018-12-09 11:58:48,150 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 11:58:48,150 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 11:58:48,150 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 11:58:48,151 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 11:58:48,151 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:58:32" (3/4) ... [2018-12-09 11:58:48,154 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 11:58:48,158 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 11:58:48,158 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-09 11:58:48,159 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 11:58:48,166 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 11:58:48,167 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 11:58:48,184 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((1 == a10 || ((!(a10 == 3) && a1 <= 38) && !(4 == a10))) || (a19 <= \old(a19) && 9 <= a19)) || !(23 == \old(a1))) || (!(7 == a19) && !(a10 == 3) && !(a19 == 10))) || !(0 == a12)) || !(9 == \old(a19))) || !(0 == \old(a10))) || !(14 == a4)) || ((!(a10 == 3) && !(a19 == 10)) && !(4 == a10))) || ((a1 <= 38 && !(a19 == 8)) && a19 <= 8) [2018-12-09 11:58:48,245 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_bf6a7e30-e129-4756-88e5-db9cacbebf73/bin-2019/utaipan/witness.graphml [2018-12-09 11:58:48,245 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 11:58:48,246 INFO L168 Benchmark]: Toolchain (without parser) took 16800.05 ms. Allocated memory was 1.0 GB in the beginning and 3.0 GB in the end (delta: 2.0 GB). Free memory was 949.9 MB in the beginning and 765.3 MB in the end (delta: 184.5 MB). Peak memory consumption was 2.2 GB. Max. memory is 11.5 GB. [2018-12-09 11:58:48,246 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 978.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:58:48,246 INFO L168 Benchmark]: CACSL2BoogieTranslator took 321.67 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 949.9 MB in the beginning and 1.1 GB in the end (delta: -160.7 MB). Peak memory consumption was 51.9 MB. Max. memory is 11.5 GB. [2018-12-09 11:58:48,246 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-09 11:58:48,247 INFO L168 Benchmark]: Boogie Preprocessor took 37.69 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:58:48,247 INFO L168 Benchmark]: RCFGBuilder took 604.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 103.9 MB). Peak memory consumption was 103.9 MB. Max. memory is 11.5 GB. [2018-12-09 11:58:48,247 INFO L168 Benchmark]: TraceAbstraction took 15716.57 ms. Allocated memory was 1.1 GB in the beginning and 3.0 GB in the end (delta: 1.9 GB). Free memory was 1.0 GB in the beginning and 789.6 MB in the end (delta: 213.6 MB). Peak memory consumption was 2.1 GB. Max. memory is 11.5 GB. [2018-12-09 11:58:48,247 INFO L168 Benchmark]: Witness Printer took 94.73 ms. Allocated memory is still 3.0 GB. Free memory was 789.6 MB in the beginning and 765.3 MB in the end (delta: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. [2018-12-09 11:58:48,248 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 978.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 321.67 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 949.9 MB in the beginning and 1.1 GB in the end (delta: -160.7 MB). Peak memory consumption was 51.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.69 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 604.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 103.9 MB). Peak memory consumption was 103.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 15716.57 ms. Allocated memory was 1.1 GB in the beginning and 3.0 GB in the end (delta: 1.9 GB). Free memory was 1.0 GB in the beginning and 789.6 MB in the end (delta: 213.6 MB). Peak memory consumption was 2.1 GB. Max. memory is 11.5 GB. * Witness Printer took 94.73 ms. Allocated memory is still 3.0 GB. Free memory was 789.6 MB in the beginning and 765.3 MB in the end (delta: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 166]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((((((((1 == a10 || ((!(a10 == 3) && a1 <= 38) && !(4 == a10))) || (a19 <= \old(a19) && 9 <= a19)) || !(23 == \old(a1))) || (!(7 == a19) && !(a10 == 3) && !(a19 == 10))) || !(0 == a12)) || !(9 == \old(a19))) || !(0 == \old(a10))) || !(14 == a4)) || ((!(a10 == 3) && !(a19 == 10)) && !(4 == a10))) || ((a1 <= 38 && !(a19 == 8)) && a19 <= 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. SAFE Result, 15.6s OverallTime, 8 OverallIterations, 3 TraceHistogramMax, 12.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 317 SDtfs, 3759 SDslu, 296 SDs, 0 SdLazy, 7235 SolverSat, 1131 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.0s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 825 GetRequests, 763 SyntacticMatches, 7 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2195occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.4s AbstIntTime, 2 AbstIntIterations, 1 AbstIntStrong, 0.9975198810000575 AbsIntWeakeningRatio, 0.1145374449339207 AbsIntAvgWeakeningVarsNumRemoved, 15.48898678414097 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 361 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 74 PreInvPairs, 124 NumberOfFragments, 380 HoareAnnotationTreeSize, 74 FomulaSimplifications, 3492 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3612 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1688 NumberOfCodeBlocks, 1688 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1938 ConstructedInterpolants, 0 QuantifiedInterpolants, 1246703 SizeOfPredicates, 1 NumberOfNonLiveVariables, 436 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 10 InterpolantComputations, 6 PerfectInterpolantSequences, 1065/1174 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...