./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label02_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_bc43cc26-b365-4ab7-8a0c-8a72e0e8ef4a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bc43cc26-b365-4ab7-8a0c-8a72e0e8ef4a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bc43cc26-b365-4ab7-8a0c-8a72e0e8ef4a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bc43cc26-b365-4ab7-8a0c-8a72e0e8ef4a/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label02_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_bc43cc26-b365-4ab7-8a0c-8a72e0e8ef4a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bc43cc26-b365-4ab7-8a0c-8a72e0e8ef4a/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 2fe32dd1d26a4cf82120db07241724c51fa6ea29 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 17:41:43,586 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 17:41:43,587 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 17:41:43,593 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 17:41:43,593 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 17:41:43,594 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 17:41:43,594 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 17:41:43,595 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 17:41:43,596 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 17:41:43,596 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 17:41:43,597 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 17:41:43,597 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 17:41:43,597 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 17:41:43,597 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 17:41:43,598 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 17:41:43,598 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 17:41:43,599 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 17:41:43,600 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 17:41:43,600 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 17:41:43,601 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 17:41:43,602 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 17:41:43,602 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 17:41:43,603 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 17:41:43,603 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 17:41:43,603 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 17:41:43,604 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 17:41:43,604 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 17:41:43,605 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 17:41:43,605 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 17:41:43,606 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 17:41:43,606 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 17:41:43,606 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 17:41:43,606 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 17:41:43,606 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 17:41:43,607 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 17:41:43,607 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 17:41:43,607 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bc43cc26-b365-4ab7-8a0c-8a72e0e8ef4a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 17:41:43,614 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 17:41:43,614 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 17:41:43,614 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 17:41:43,615 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 17:41:43,615 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 17:41:43,615 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 17:41:43,615 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 17:41:43,615 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 17:41:43,615 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 17:41:43,615 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 17:41:43,615 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 17:41:43,615 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 17:41:43,615 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 17:41:43,616 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 17:41:43,616 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 17:41:43,616 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 17:41:43,616 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 17:41:43,616 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 17:41:43,616 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 17:41:43,616 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 17:41:43,616 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 17:41:43,617 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 17:41:43,617 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 17:41:43,617 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 17:41:43,617 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 17:41:43,617 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 17:41:43,617 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 17:41:43,617 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 17:41:43,617 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 17:41:43,617 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 17:41:43,617 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 17:41:43,618 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 17:41:43,618 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 17:41:43,618 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 17:41:43,618 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 17:41:43,618 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 17:41:43,618 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_bc43cc26-b365-4ab7-8a0c-8a72e0e8ef4a/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 -> 2fe32dd1d26a4cf82120db07241724c51fa6ea29 [2018-12-08 17:41:43,634 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 17:41:43,641 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 17:41:43,643 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 17:41:43,644 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 17:41:43,644 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 17:41:43,645 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bc43cc26-b365-4ab7-8a0c-8a72e0e8ef4a/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem10_label02_true-unreach-call.c [2018-12-08 17:41:43,679 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bc43cc26-b365-4ab7-8a0c-8a72e0e8ef4a/bin-2019/utaipan/data/ea5c3fbaa/8af1eb87f6ac4b3e96d1beb29f204090/FLAGe740ec63a [2018-12-08 17:41:44,155 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 17:41:44,156 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bc43cc26-b365-4ab7-8a0c-8a72e0e8ef4a/sv-benchmarks/c/eca-rers2012/Problem10_label02_true-unreach-call.c [2018-12-08 17:41:44,162 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bc43cc26-b365-4ab7-8a0c-8a72e0e8ef4a/bin-2019/utaipan/data/ea5c3fbaa/8af1eb87f6ac4b3e96d1beb29f204090/FLAGe740ec63a [2018-12-08 17:41:44,172 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bc43cc26-b365-4ab7-8a0c-8a72e0e8ef4a/bin-2019/utaipan/data/ea5c3fbaa/8af1eb87f6ac4b3e96d1beb29f204090 [2018-12-08 17:41:44,174 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 17:41:44,175 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 17:41:44,175 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 17:41:44,175 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 17:41:44,177 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 17:41:44,178 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:41:44" (1/1) ... [2018-12-08 17:41:44,179 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ec9f2fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:41:44, skipping insertion in model container [2018-12-08 17:41:44,179 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:41:44" (1/1) ... [2018-12-08 17:41:44,184 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 17:41:44,208 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 17:41:44,380 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:41:44,383 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 17:41:44,477 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:41:44,490 INFO L195 MainTranslator]: Completed translation [2018-12-08 17:41:44,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:41:44 WrapperNode [2018-12-08 17:41:44,490 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 17:41:44,491 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 17:41:44,491 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 17:41:44,491 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 17:41:44,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:41:44" (1/1) ... [2018-12-08 17:41:44,510 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:41:44" (1/1) ... [2018-12-08 17:41:44,516 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 17:41:44,516 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 17:41:44,516 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 17:41:44,516 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 17:41:44,523 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:41:44" (1/1) ... [2018-12-08 17:41:44,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:41:44" (1/1) ... [2018-12-08 17:41:44,526 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:41:44" (1/1) ... [2018-12-08 17:41:44,527 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:41:44" (1/1) ... [2018-12-08 17:41:44,549 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:41:44" (1/1) ... [2018-12-08 17:41:44,559 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:41:44" (1/1) ... [2018-12-08 17:41:44,563 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:41:44" (1/1) ... [2018-12-08 17:41:44,570 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 17:41:44,570 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 17:41:44,570 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 17:41:44,570 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 17:41:44,571 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:41:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bc43cc26-b365-4ab7-8a0c-8a72e0e8ef4a/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 [2018-12-08 17:41:44,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 17:41:44,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 17:41:44,606 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-08 17:41:44,607 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-08 17:41:44,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 17:41:44,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 17:41:44,607 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 17:41:44,607 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 17:41:45,185 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 17:41:45,186 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-08 17:41:45,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:41:45 BoogieIcfgContainer [2018-12-08 17:41:45,186 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 17:41:45,186 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 17:41:45,186 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 17:41:45,188 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 17:41:45,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 05:41:44" (1/3) ... [2018-12-08 17:41:45,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ffde3f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 05:41:45, skipping insertion in model container [2018-12-08 17:41:45,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:41:44" (2/3) ... [2018-12-08 17:41:45,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ffde3f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 05:41:45, skipping insertion in model container [2018-12-08 17:41:45,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:41:45" (3/3) ... [2018-12-08 17:41:45,190 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label02_true-unreach-call.c [2018-12-08 17:41:45,197 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 17:41:45,202 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 17:41:45,211 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 17:41:45,231 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 17:41:45,231 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 17:41:45,231 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 17:41:45,231 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 17:41:45,231 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 17:41:45,231 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 17:41:45,231 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 17:41:45,231 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 17:41:45,244 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2018-12-08 17:41:45,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-08 17:41:45,249 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:41:45,250 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:41:45,251 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:41:45,254 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:41:45,254 INFO L82 PathProgramCache]: Analyzing trace with hash -824341666, now seen corresponding path program 1 times [2018-12-08 17:41:45,256 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:41:45,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:41:45,286 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:41:45,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:41:45,286 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:41:45,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:41:45,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:41:45,442 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:41:45,442 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 17:41:45,443 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 17:41:45,446 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 17:41:45,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 17:41:45,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 17:41:45,456 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 3 states. [2018-12-08 17:41:45,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:41:45,920 INFO L93 Difference]: Finished difference Result 571 states and 989 transitions. [2018-12-08 17:41:45,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 17:41:45,921 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2018-12-08 17:41:45,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:41:45,929 INFO L225 Difference]: With dead ends: 571 [2018-12-08 17:41:45,929 INFO L226 Difference]: Without dead ends: 294 [2018-12-08 17:41:45,932 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 17:41:45,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2018-12-08 17:41:45,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2018-12-08 17:41:45,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2018-12-08 17:41:45,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 446 transitions. [2018-12-08 17:41:45,969 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 446 transitions. Word has length 65 [2018-12-08 17:41:45,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:41:45,970 INFO L480 AbstractCegarLoop]: Abstraction has 294 states and 446 transitions. [2018-12-08 17:41:45,970 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 17:41:45,970 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 446 transitions. [2018-12-08 17:41:45,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-08 17:41:45,975 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:41:45,975 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:41:45,975 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:41:45,976 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:41:45,976 INFO L82 PathProgramCache]: Analyzing trace with hash 1983600497, now seen corresponding path program 1 times [2018-12-08 17:41:45,976 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:41:45,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:41:45,977 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:41:45,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:41:45,977 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:41:46,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:41:46,136 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:41:46,136 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:41:46,136 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 17:41:46,136 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 17:41:46,138 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 17:41:46,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 17:41:46,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-08 17:41:46,138 INFO L87 Difference]: Start difference. First operand 294 states and 446 transitions. Second operand 4 states. [2018-12-08 17:41:46,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:41:46,724 INFO L93 Difference]: Finished difference Result 1154 states and 1790 transitions. [2018-12-08 17:41:46,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 17:41:46,724 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 184 [2018-12-08 17:41:46,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:41:46,728 INFO L225 Difference]: With dead ends: 1154 [2018-12-08 17:41:46,729 INFO L226 Difference]: Without dead ends: 866 [2018-12-08 17:41:46,730 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-08 17:41:46,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 866 states. [2018-12-08 17:41:46,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 866 to 723. [2018-12-08 17:41:46,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 723 states. [2018-12-08 17:41:46,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 723 states and 1036 transitions. [2018-12-08 17:41:46,754 INFO L78 Accepts]: Start accepts. Automaton has 723 states and 1036 transitions. Word has length 184 [2018-12-08 17:41:46,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:41:46,755 INFO L480 AbstractCegarLoop]: Abstraction has 723 states and 1036 transitions. [2018-12-08 17:41:46,755 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 17:41:46,755 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 1036 transitions. [2018-12-08 17:41:46,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-12-08 17:41:46,759 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:41:46,759 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:41:46,759 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:41:46,760 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:41:46,760 INFO L82 PathProgramCache]: Analyzing trace with hash 1277665994, now seen corresponding path program 1 times [2018-12-08 17:41:46,760 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:41:46,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:41:46,761 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:41:46,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:41:46,761 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:41:46,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:41:46,900 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:41:46,901 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:41:46,901 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 17:41:46,901 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 17:41:46,901 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 17:41:46,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 17:41:46,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 17:41:46,902 INFO L87 Difference]: Start difference. First operand 723 states and 1036 transitions. Second operand 6 states. [2018-12-08 17:41:47,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:41:47,398 INFO L93 Difference]: Finished difference Result 1613 states and 2361 transitions. [2018-12-08 17:41:47,398 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 17:41:47,399 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 191 [2018-12-08 17:41:47,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:41:47,402 INFO L225 Difference]: With dead ends: 1613 [2018-12-08 17:41:47,402 INFO L226 Difference]: Without dead ends: 896 [2018-12-08 17:41:47,403 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-08 17:41:47,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 896 states. [2018-12-08 17:41:47,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 896 to 880. [2018-12-08 17:41:47,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 880 states. [2018-12-08 17:41:47,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 1167 transitions. [2018-12-08 17:41:47,422 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 1167 transitions. Word has length 191 [2018-12-08 17:41:47,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:41:47,423 INFO L480 AbstractCegarLoop]: Abstraction has 880 states and 1167 transitions. [2018-12-08 17:41:47,423 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 17:41:47,423 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1167 transitions. [2018-12-08 17:41:47,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-12-08 17:41:47,425 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:41:47,426 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:41:47,426 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:41:47,426 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:41:47,426 INFO L82 PathProgramCache]: Analyzing trace with hash -480749415, now seen corresponding path program 1 times [2018-12-08 17:41:47,426 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:41:47,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:41:47,427 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:41:47,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:41:47,427 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:41:47,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:41:47,553 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 116 proven. 65 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 17:41:47,553 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:41:47,553 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 17:41:47,554 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 261 with the following transitions: [2018-12-08 17:41:47,555 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], [393], [401], [409], [417], [425], [429], [431], [434], [442], [450], [458], [466], [474], [482], [490], [494], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [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], [703], [707], [711], [715], [719], [722], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-12-08 17:41:47,586 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 17:41:47,586 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 17:41:47,837 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-08 17:41:47,837 INFO L272 AbstractInterpreter]: Visited 131 different actions 131 times. Never merged. Never widened. Performed 1281 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1281 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-12-08 17:41:47,854 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:41:47,854 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-08 17:41:48,139 INFO L227 lantSequenceWeakener]: Weakened 251 states. On average, predicates are now at 73.51% of their original sizes. [2018-12-08 17:41:48,139 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-08 17:41:48,166 INFO L418 sIntCurrentIteration]: We unified 259 AI predicates to 259 [2018-12-08 17:41:48,166 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-08 17:41:48,167 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 17:41:48,167 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-12-08 17:41:48,167 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 17:41:48,167 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 17:41:48,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 17:41:48,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 17:41:48,168 INFO L87 Difference]: Start difference. First operand 880 states and 1167 transitions. Second operand 6 states. [2018-12-08 17:41:57,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:41:57,970 INFO L93 Difference]: Finished difference Result 1898 states and 2531 transitions. [2018-12-08 17:41:57,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 17:41:57,970 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 260 [2018-12-08 17:41:57,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:41:57,972 INFO L225 Difference]: With dead ends: 1898 [2018-12-08 17:41:57,972 INFO L226 Difference]: Without dead ends: 1024 [2018-12-08 17:41:57,973 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 260 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-08 17:41:57,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1024 states. [2018-12-08 17:41:57,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1024 to 1023. [2018-12-08 17:41:57,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1023 states. [2018-12-08 17:41:57,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1023 states to 1023 states and 1318 transitions. [2018-12-08 17:41:57,986 INFO L78 Accepts]: Start accepts. Automaton has 1023 states and 1318 transitions. Word has length 260 [2018-12-08 17:41:57,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:41:57,986 INFO L480 AbstractCegarLoop]: Abstraction has 1023 states and 1318 transitions. [2018-12-08 17:41:57,986 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 17:41:57,986 INFO L276 IsEmpty]: Start isEmpty. Operand 1023 states and 1318 transitions. [2018-12-08 17:41:57,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-08 17:41:57,988 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:41:57,989 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:41:57,989 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:41:57,989 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:41:57,989 INFO L82 PathProgramCache]: Analyzing trace with hash -26378547, now seen corresponding path program 1 times [2018-12-08 17:41:57,989 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:41:57,990 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:41:57,990 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:41:57,990 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:41:57,990 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:41:58,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:41:58,094 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 193 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:41:58,094 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:41:58,094 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 17:41:58,095 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 271 with the following transitions: [2018-12-08 17:41:58,095 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], [393], [401], [409], [417], [425], [429], [431], [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], [703], [707], [711], [715], [719], [722], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-12-08 17:41:58,098 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 17:41:58,098 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 17:41:58,248 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 17:41:58,248 INFO L272 AbstractInterpreter]: Visited 135 different actions 267 times. Merged at 6 different actions 8 times. Never widened. Performed 2827 root evaluator evaluations with a maximum evaluation depth of 10. Performed 2827 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 2 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-08 17:41:58,250 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:41:58,251 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 17:41:58,251 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:41:58,251 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bc43cc26-b365-4ab7-8a0c-8a72e0e8ef4a/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 [2018-12-08 17:41:58,257 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:41:58,258 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 17:41:58,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:41:58,311 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:41:58,388 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 193 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:41:58,388 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 17:41:58,476 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 193 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:41:58,497 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 17:41:58,497 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-08 17:41:58,497 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 17:41:58,498 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 17:41:58,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 17:41:58,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-12-08 17:41:58,498 INFO L87 Difference]: Start difference. First operand 1023 states and 1318 transitions. Second operand 9 states. [2018-12-08 17:41:59,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:41:59,781 INFO L93 Difference]: Finished difference Result 3181 states and 4544 transitions. [2018-12-08 17:41:59,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-08 17:41:59,781 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 270 [2018-12-08 17:41:59,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:41:59,786 INFO L225 Difference]: With dead ends: 3181 [2018-12-08 17:41:59,786 INFO L226 Difference]: Without dead ends: 1226 [2018-12-08 17:41:59,790 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 561 GetRequests, 543 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2018-12-08 17:41:59,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1226 states. [2018-12-08 17:41:59,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1226 to 1206. [2018-12-08 17:41:59,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1206 states. [2018-12-08 17:41:59,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1206 states to 1206 states and 1464 transitions. [2018-12-08 17:41:59,813 INFO L78 Accepts]: Start accepts. Automaton has 1206 states and 1464 transitions. Word has length 270 [2018-12-08 17:41:59,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:41:59,813 INFO L480 AbstractCegarLoop]: Abstraction has 1206 states and 1464 transitions. [2018-12-08 17:41:59,813 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 17:41:59,813 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states and 1464 transitions. [2018-12-08 17:41:59,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-12-08 17:41:59,816 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:41:59,816 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:41:59,816 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:41:59,816 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:41:59,816 INFO L82 PathProgramCache]: Analyzing trace with hash -389193643, now seen corresponding path program 1 times [2018-12-08 17:41:59,816 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:41:59,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:41:59,817 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:41:59,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:41:59,817 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:41:59,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:41:59,966 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 117 proven. 46 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-08 17:41:59,966 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:41:59,966 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 17:41:59,966 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 307 with the following transitions: [2018-12-08 17:41:59,966 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], [393], [401], [409], [417], [425], [429], [431], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [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], [678], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [722], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-12-08 17:41:59,969 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 17:41:59,969 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 17:42:00,124 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-08 17:42:00,124 INFO L272 AbstractInterpreter]: Visited 134 different actions 262 times. Merged at 4 different actions 4 times. Never widened. Performed 2724 root evaluator evaluations with a maximum evaluation depth of 13. Performed 2724 inverse root evaluator evaluations with a maximum inverse evaluation depth of 13. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-08 17:42:00,126 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:42:00,126 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-08 17:42:00,310 INFO L227 lantSequenceWeakener]: Weakened 303 states. On average, predicates are now at 78.43% of their original sizes. [2018-12-08 17:42:00,310 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-08 17:42:00,359 INFO L418 sIntCurrentIteration]: We unified 305 AI predicates to 305 [2018-12-08 17:42:00,359 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-08 17:42:00,359 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 17:42:00,359 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-08 17:42:00,360 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 17:42:00,360 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 17:42:00,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 17:42:00,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 17:42:00,360 INFO L87 Difference]: Start difference. First operand 1206 states and 1464 transitions. Second operand 10 states. [2018-12-08 17:42:14,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:42:14,277 INFO L93 Difference]: Finished difference Result 2283 states and 2839 transitions. [2018-12-08 17:42:14,277 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-08 17:42:14,277 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 306 [2018-12-08 17:42:14,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:42:14,280 INFO L225 Difference]: With dead ends: 2283 [2018-12-08 17:42:14,280 INFO L226 Difference]: Without dead ends: 1226 [2018-12-08 17:42:14,282 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 316 GetRequests, 297 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-12-08 17:42:14,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1226 states. [2018-12-08 17:42:14,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1226 to 1186. [2018-12-08 17:42:14,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1186 states. [2018-12-08 17:42:14,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 1186 states and 1387 transitions. [2018-12-08 17:42:14,299 INFO L78 Accepts]: Start accepts. Automaton has 1186 states and 1387 transitions. Word has length 306 [2018-12-08 17:42:14,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:42:14,299 INFO L480 AbstractCegarLoop]: Abstraction has 1186 states and 1387 transitions. [2018-12-08 17:42:14,299 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 17:42:14,299 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 1387 transitions. [2018-12-08 17:42:14,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2018-12-08 17:42:14,301 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:42:14,301 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:42:14,301 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:42:14,301 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:42:14,301 INFO L82 PathProgramCache]: Analyzing trace with hash 1010550709, now seen corresponding path program 1 times [2018-12-08 17:42:14,301 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:42:14,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:42:14,302 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:42:14,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:42:14,302 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:42:14,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:42:14,404 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 362 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-12-08 17:42:14,404 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:42:14,404 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 17:42:14,404 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 379 with the following transitions: [2018-12-08 17:42:14,404 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], [393], [401], [409], [417], [425], [429], [431], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [515], [519], [523], [527], [531], [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], [678], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [722], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-12-08 17:42:14,406 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 17:42:14,406 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 17:42:14,541 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 17:42:14,542 INFO L272 AbstractInterpreter]: Visited 136 different actions 401 times. Merged at 7 different actions 15 times. Never widened. Performed 4264 root evaluator evaluations with a maximum evaluation depth of 13. Performed 4264 inverse root evaluator evaluations with a maximum inverse evaluation depth of 13. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-08 17:42:14,543 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:42:14,543 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 17:42:14,543 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:42:14,543 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bc43cc26-b365-4ab7-8a0c-8a72e0e8ef4a/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 17:42:14,549 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:42:14,549 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 17:42:14,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:42:14,604 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:42:14,658 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 362 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-12-08 17:42:14,658 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 17:42:14,756 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 362 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-12-08 17:42:14,771 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 17:42:14,771 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2018-12-08 17:42:14,772 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 17:42:14,772 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 17:42:14,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 17:42:14,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-12-08 17:42:14,772 INFO L87 Difference]: Start difference. First operand 1186 states and 1387 transitions. Second operand 6 states. [2018-12-08 17:42:15,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:42:15,347 INFO L93 Difference]: Finished difference Result 3008 states and 3681 transitions. [2018-12-08 17:42:15,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-08 17:42:15,347 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 378 [2018-12-08 17:42:15,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:42:15,351 INFO L225 Difference]: With dead ends: 3008 [2018-12-08 17:42:15,351 INFO L226 Difference]: Without dead ends: 1971 [2018-12-08 17:42:15,353 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 768 GetRequests, 756 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2018-12-08 17:42:15,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1971 states. [2018-12-08 17:42:15,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1971 to 1945. [2018-12-08 17:42:15,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1945 states. [2018-12-08 17:42:15,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1945 states to 1945 states and 2276 transitions. [2018-12-08 17:42:15,380 INFO L78 Accepts]: Start accepts. Automaton has 1945 states and 2276 transitions. Word has length 378 [2018-12-08 17:42:15,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:42:15,380 INFO L480 AbstractCegarLoop]: Abstraction has 1945 states and 2276 transitions. [2018-12-08 17:42:15,380 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 17:42:15,380 INFO L276 IsEmpty]: Start isEmpty. Operand 1945 states and 2276 transitions. [2018-12-08 17:42:15,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2018-12-08 17:42:15,383 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:42:15,383 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:42:15,384 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:42:15,384 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:42:15,384 INFO L82 PathProgramCache]: Analyzing trace with hash 1821902094, now seen corresponding path program 1 times [2018-12-08 17:42:15,384 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:42:15,384 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:42:15,385 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:42:15,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:42:15,385 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:42:15,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:42:15,504 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2018-12-08 17:42:15,505 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:42:15,505 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 17:42:15,505 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 17:42:15,505 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 17:42:15,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 17:42:15,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-08 17:42:15,506 INFO L87 Difference]: Start difference. First operand 1945 states and 2276 transitions. Second operand 4 states. [2018-12-08 17:42:15,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:42:15,976 INFO L93 Difference]: Finished difference Result 4321 states and 5201 transitions. [2018-12-08 17:42:15,977 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 17:42:15,977 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 391 [2018-12-08 17:42:15,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:42:15,978 INFO L225 Difference]: With dead ends: 4321 [2018-12-08 17:42:15,978 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 17:42:15,983 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-08 17:42:15,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 17:42:15,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 17:42:15,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 17:42:15,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 17:42:15,983 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 391 [2018-12-08 17:42:15,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:42:15,984 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 17:42:15,984 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 17:42:15,984 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 17:42:15,984 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 17:42:15,988 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 17:42:16,048 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:16,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:16,058 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:16,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:16,078 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:16,089 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:16,095 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:16,097 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:42:16,372 WARN L180 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 50 [2018-12-08 17:42:16,503 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 47 [2018-12-08 17:42:16,617 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 43 [2018-12-08 17:42:16,619 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 17:42:16,619 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a19~0)| ~a19~0) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)) [2018-12-08 17:42:16,619 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 17:42:16,619 INFO L448 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-12-08 17:42:16,619 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:42:16,619 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:42:16,619 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:42:16,619 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:42:16,619 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:42:16,619 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:42:16,619 INFO L448 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-12-08 17:42:16,619 INFO L448 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-12-08 17:42:16,619 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-08 17:42:16,619 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-08 17:42:16,619 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-08 17:42:16,619 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-08 17:42:16,619 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-08 17:42:16,619 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-08 17:42:16,620 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-12-08 17:42:16,620 INFO L448 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-12-08 17:42:16,620 INFO L448 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-12-08 17:42:16,620 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:42:16,620 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:42:16,620 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:42:16,620 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:42:16,620 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:42:16,620 INFO L448 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-12-08 17:42:16,620 INFO L448 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-12-08 17:42:16,620 INFO L448 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-12-08 17:42:16,620 INFO L448 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-12-08 17:42:16,620 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-08 17:42:16,620 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-08 17:42:16,620 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-08 17:42:16,620 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-08 17:42:16,620 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-08 17:42:16,620 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-12-08 17:42:16,620 INFO L448 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-12-08 17:42:16,620 INFO L448 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-12-08 17:42:16,620 INFO L448 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-12-08 17:42:16,620 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-12-08 17:42:16,620 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:42:16,621 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:42:16,621 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:42:16,621 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:42:16,621 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:42:16,621 INFO L448 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-12-08 17:42:16,621 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-08 17:42:16,621 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-08 17:42:16,621 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-08 17:42:16,621 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-08 17:42:16,621 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-08 17:42:16,621 INFO L448 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-12-08 17:42:16,621 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-12-08 17:42:16,621 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-12-08 17:42:16,621 INFO L448 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-12-08 17:42:16,621 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:42:16,621 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:42:16,621 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:42:16,621 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:42:16,621 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:42:16,621 INFO L448 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-12-08 17:42:16,621 INFO L448 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-12-08 17:42:16,621 INFO L448 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-12-08 17:42:16,621 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-08 17:42:16,622 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-08 17:42:16,622 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-08 17:42:16,622 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-08 17:42:16,622 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-08 17:42:16,622 INFO L448 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-12-08 17:42:16,622 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-12-08 17:42:16,622 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 181) no Hoare annotation was computed. [2018-12-08 17:42:16,622 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-12-08 17:42:16,622 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-12-08 17:42:16,622 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-12-08 17:42:16,622 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:42:16,622 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:42:16,622 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:42:16,622 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:42:16,622 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:42:16,622 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-08 17:42:16,622 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-08 17:42:16,622 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-08 17:42:16,622 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-08 17:42:16,622 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-08 17:42:16,622 INFO L448 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-12-08 17:42:16,622 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-12-08 17:42:16,622 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-12-08 17:42:16,623 INFO L448 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-12-08 17:42:16,623 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:42:16,623 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:42:16,623 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:42:16,623 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:42:16,623 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:42:16,623 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:42:16,623 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:42:16,623 INFO L448 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-12-08 17:42:16,623 INFO L448 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-12-08 17:42:16,623 INFO L448 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-12-08 17:42:16,623 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-12-08 17:42:16,623 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-08 17:42:16,623 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-08 17:42:16,623 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-08 17:42:16,623 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-08 17:42:16,623 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-08 17:42:16,623 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-12-08 17:42:16,623 INFO L448 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-12-08 17:42:16,623 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-12-08 17:42:16,623 INFO L448 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-12-08 17:42:16,623 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:42:16,623 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:42:16,624 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:42:16,624 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:42:16,624 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-12-08 17:42:16,624 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:42:16,624 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:42:16,624 INFO L448 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-12-08 17:42:16,624 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-12-08 17:42:16,624 INFO L448 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-12-08 17:42:16,624 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-08 17:42:16,624 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-08 17:42:16,624 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-08 17:42:16,624 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-08 17:42:16,624 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-08 17:42:16,624 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-12-08 17:42:16,624 INFO L448 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-12-08 17:42:16,624 INFO L448 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-12-08 17:42:16,624 INFO L448 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-12-08 17:42:16,624 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-12-08 17:42:16,624 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:42:16,624 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:42:16,624 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:42:16,624 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:42:16,624 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:42:16,624 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:42:16,625 INFO L448 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-12-08 17:42:16,625 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-12-08 17:42:16,625 INFO L448 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-12-08 17:42:16,625 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-08 17:42:16,625 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-08 17:42:16,625 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-08 17:42:16,625 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-08 17:42:16,625 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-08 17:42:16,625 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-08 17:42:16,625 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-12-08 17:42:16,625 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-12-08 17:42:16,625 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse5 (= |old(~a19~0)| ~a19~0)) (.cse2 (= |old(~a10~0)| ~a10~0)) (.cse6 (= ~a1~0 |old(~a1~0)|))) (let ((.cse4 (= 0 |old(~a10~0)|)) (.cse1 (= 1 |old(~a10~0)|)) (.cse3 (= 6 |old(~a19~0)|)) (.cse0 (and .cse5 .cse2 .cse6))) (and (or .cse0 .cse1 (< 0 (+ |old(~a1~0)| 551894))) (or (not (= 8 |old(~a19~0)|)) (and (= 8 ~a19~0) .cse2)) (or .cse0 .cse3 .cse4) (or .cse4 .cse1 (and .cse5 .cse2)) (or (and (= ~a19~0 9) .cse2 .cse6) (not (= 14 ~a4~0)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (= |calculate_output_#in~input| 0)) (or (< 218 |old(~a1~0)|) .cse3 .cse0)))) [2018-12-08 17:42:16,625 INFO L448 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-12-08 17:42:16,625 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-12-08 17:42:16,625 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-12-08 17:42:16,625 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:42:16,625 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:42:16,625 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:42:16,625 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:42:16,626 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:42:16,626 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:42:16,626 INFO L448 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-12-08 17:42:16,626 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-08 17:42:16,626 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-08 17:42:16,626 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-08 17:42:16,626 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-08 17:42:16,626 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-08 17:42:16,626 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-08 17:42:16,626 INFO L448 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-12-08 17:42:16,626 INFO L448 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-12-08 17:42:16,626 INFO L448 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-12-08 17:42:16,626 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-12-08 17:42:16,626 INFO L448 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-12-08 17:42:16,626 INFO L448 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-12-08 17:42:16,626 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:42:16,626 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:42:16,626 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:42:16,626 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:42:16,626 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:42:16,626 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:42:16,626 INFO L448 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-12-08 17:42:16,626 INFO L448 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-12-08 17:42:16,626 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-12-08 17:42:16,626 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-08 17:42:16,627 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-08 17:42:16,627 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-08 17:42:16,627 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-08 17:42:16,627 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-08 17:42:16,627 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-08 17:42:16,627 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-12-08 17:42:16,627 INFO L448 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-12-08 17:42:16,627 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-12-08 17:42:16,627 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:42:16,627 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:42:16,627 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:42:16,627 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:42:16,627 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:42:16,627 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2018-12-08 17:42:16,627 INFO L448 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-12-08 17:42:16,627 INFO L448 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-12-08 17:42:16,627 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-12-08 17:42:16,627 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-08 17:42:16,627 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-08 17:42:16,627 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-08 17:42:16,627 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-08 17:42:16,627 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-08 17:42:16,627 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-08 17:42:16,627 INFO L448 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-12-08 17:42:16,628 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-12-08 17:42:16,628 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-12-08 17:42:16,628 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 17:42:16,628 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)) [2018-12-08 17:42:16,628 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 17:42:16,628 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 17:42:16,628 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (and (= ~a19~0 9) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)) (not (= 14 ~a4~0)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 23 |old(~a1~0)|)) (not (= 0 |old(~a10~0)|))) [2018-12-08 17:42:16,628 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-12-08 17:42:16,628 INFO L444 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (not (= 0 ~a10~0))) (.cse1 (not (= ~a10~0 1))) (.cse2 (not (= ~a19~0 6)))) (or (not (= 23 |old(~a1~0)|)) (and .cse0 .cse1) (= 8 ~a19~0) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 0 |old(~a10~0)|)) (and .cse2 .cse0) (not (= 14 ~a4~0)) (and (not (= main_~input~0 0)) (= ~a19~0 9)) (and (<= (+ ~a1~0 551894) 0) .cse1) (and (<= ~a1~0 218) .cse2))) [2018-12-08 17:42:16,628 INFO L448 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-12-08 17:42:16,628 INFO L448 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-12-08 17:42:16,628 INFO L444 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (not (= 0 ~a10~0))) (.cse2 (not (= ~a19~0 6))) (.cse1 (not (= ~a10~0 1)))) (or (not (= 23 |old(~a1~0)|)) (and .cse0 .cse1) (= 8 ~a19~0) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (and .cse2 .cse0) (not (= 0 |old(~a10~0)|)) (not (= 14 ~a4~0)) (= ~a19~0 9) (and (<= ~a1~0 218) .cse2) (and (<= (+ ~a1~0 551894) 0) .cse1))) [2018-12-08 17:42:16,628 INFO L448 ceAbstractionStarter]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2018-12-08 17:42:16,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 05:42:16 BoogieIcfgContainer [2018-12-08 17:42:16,634 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 17:42:16,635 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 17:42:16,635 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 17:42:16,635 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 17:42:16,635 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:41:45" (3/4) ... [2018-12-08 17:42:16,638 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 17:42:16,643 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 17:42:16,643 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-08 17:42:16,643 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 17:42:16,651 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-08 17:42:16,652 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-08 17:42:16,676 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(23 == \old(a1)) || (!(0 == a10) && !(a10 == 1))) || 8 == a19) || !(0 == a12)) || !(9 == \old(a19))) || (!(a19 == 6) && !(0 == a10))) || !(0 == \old(a10))) || !(14 == a4)) || a19 == 9) || (a1 <= 218 && !(a19 == 6))) || (a1 + 551894 <= 0 && !(a10 == 1)) [2018-12-08 17:42:16,743 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_bc43cc26-b365-4ab7-8a0c-8a72e0e8ef4a/bin-2019/utaipan/witness.graphml [2018-12-08 17:42:16,743 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 17:42:16,744 INFO L168 Benchmark]: Toolchain (without parser) took 32569.63 ms. Allocated memory was 1.0 GB in the beginning and 5.0 GB in the end (delta: 3.9 GB). Free memory was 947.0 MB in the beginning and 4.6 GB in the end (delta: -3.6 GB). Peak memory consumption was 297.3 MB. Max. memory is 11.5 GB. [2018-12-08 17:42:16,744 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 17:42:16,745 INFO L168 Benchmark]: CACSL2BoogieTranslator took 315.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -160.3 MB). Peak memory consumption was 40.6 MB. Max. memory is 11.5 GB. [2018-12-08 17:42:16,745 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-08 17:42:16,745 INFO L168 Benchmark]: Boogie Preprocessor took 53.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-08 17:42:16,745 INFO L168 Benchmark]: RCFGBuilder took 615.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 994.1 MB in the end (delta: 106.2 MB). Peak memory consumption was 106.2 MB. Max. memory is 11.5 GB. [2018-12-08 17:42:16,746 INFO L168 Benchmark]: TraceAbstraction took 31448.21 ms. Allocated memory was 1.2 GB in the beginning and 5.0 GB in the end (delta: 3.8 GB). Free memory was 994.1 MB in the beginning and 4.7 GB in the end (delta: -3.7 GB). Peak memory consumption was 3.9 GB. Max. memory is 11.5 GB. [2018-12-08 17:42:16,746 INFO L168 Benchmark]: Witness Printer took 108.44 ms. Allocated memory is still 5.0 GB. Free memory was 4.7 GB in the beginning and 4.6 GB in the end (delta: 81.3 MB). Peak memory consumption was 81.3 MB. Max. memory is 11.5 GB. [2018-12-08 17:42:16,748 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 315.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -160.3 MB). Peak memory consumption was 40.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 615.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 994.1 MB in the end (delta: 106.2 MB). Peak memory consumption was 106.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 31448.21 ms. Allocated memory was 1.2 GB in the beginning and 5.0 GB in the end (delta: 3.8 GB). Free memory was 994.1 MB in the beginning and 4.7 GB in the end (delta: -3.7 GB). Peak memory consumption was 3.9 GB. Max. memory is 11.5 GB. * Witness Printer took 108.44 ms. Allocated memory is still 5.0 GB. Free memory was 4.7 GB in the beginning and 4.6 GB in the end (delta: 81.3 MB). Peak memory consumption was 81.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 181]: 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: (((((((((!(23 == \old(a1)) || (!(0 == a10) && !(a10 == 1))) || 8 == a19) || !(0 == a12)) || !(9 == \old(a19))) || (!(a19 == 6) && !(0 == a10))) || !(0 == \old(a10))) || !(14 == a4)) || a19 == 9) || (a1 <= 218 && !(a19 == 6))) || (a1 + 551894 <= 0 && !(a10 == 1)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. SAFE Result, 31.4s OverallTime, 8 OverallIterations, 4 TraceHistogramMax, 27.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 541 SDtfs, 2885 SDslu, 372 SDs, 0 SdLazy, 6598 SolverSat, 1221 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 23.5s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 1930 GetRequests, 1861 SyntacticMatches, 6 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1945occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.7s AbstIntTime, 4 AbstIntIterations, 2 AbstIntStrong, 0.997557018724103 AbsIntWeakeningRatio, 0.09219858156028368 AbsIntAvgWeakeningVarsNumRemoved, 14.595744680851064 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 246 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 97 PreInvPairs, 171 NumberOfFragments, 297 HoareAnnotationTreeSize, 97 FomulaSimplifications, 2995 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2611 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 2693 NumberOfCodeBlocks, 2693 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 3329 ConstructedInterpolants, 0 QuantifiedInterpolants, 2515951 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1037 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 4 PerfectInterpolantSequences, 2752/2875 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...