./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label18_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a7902658-55c8-4e50-9f1a-26afe07194aa/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a7902658-55c8-4e50-9f1a-26afe07194aa/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a7902658-55c8-4e50-9f1a-26afe07194aa/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a7902658-55c8-4e50-9f1a-26afe07194aa/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label18_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a7902658-55c8-4e50-9f1a-26afe07194aa/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a7902658-55c8-4e50-9f1a-26afe07194aa/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 ed29b44a6f9564cbed38c70bbb18181a8a1a6c41 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 12:22:32,583 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:22:32,585 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:22:32,592 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:22:32,592 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:22:32,593 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:22:32,594 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:22:32,595 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:22:32,596 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:22:32,597 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:22:32,598 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:22:32,598 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:22:32,598 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:22:32,599 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:22:32,599 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:22:32,600 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:22:32,600 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:22:32,601 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:22:32,602 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:22:32,603 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:22:32,604 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:22:32,605 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:22:32,606 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:22:32,606 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:22:32,606 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:22:32,607 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:22:32,608 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:22:32,608 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:22:32,608 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:22:32,609 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:22:32,609 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:22:32,609 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:22:32,609 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:22:32,610 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:22:32,610 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:22:32,610 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:22:32,611 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a7902658-55c8-4e50-9f1a-26afe07194aa/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 12:22:32,618 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:22:32,618 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:22:32,618 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:22:32,618 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 12:22:32,618 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 12:22:32,619 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 12:22:32,619 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 12:22:32,619 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 12:22:32,619 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 12:22:32,619 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 12:22:32,619 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 12:22:32,619 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 12:22:32,619 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 12:22:32,620 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:22:32,620 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:22:32,620 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:22:32,620 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:22:32,620 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:22:32,620 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:22:32,620 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:22:32,621 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:22:32,621 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:22:32,621 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:22:32,621 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:22:32,621 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:22:32,621 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:22:32,621 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:22:32,621 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:22:32,622 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 12:22:32,622 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:22:32,622 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:22:32,622 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:22:32,622 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:22:32,622 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 12:22:32,622 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:22:32,623 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:22:32,623 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 12:22:32,623 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_a7902658-55c8-4e50-9f1a-26afe07194aa/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 -> ed29b44a6f9564cbed38c70bbb18181a8a1a6c41 [2018-11-18 12:22:32,648 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:22:32,658 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:22:32,661 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:22:32,663 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:22:32,663 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:22:32,664 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a7902658-55c8-4e50-9f1a-26afe07194aa/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem10_label18_true-unreach-call.c [2018-11-18 12:22:32,717 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a7902658-55c8-4e50-9f1a-26afe07194aa/bin-2019/utaipan/data/70402e4a7/f6957303112f4010a47c925391d842f1/FLAG401232c0e [2018-11-18 12:22:33,104 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:22:33,105 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a7902658-55c8-4e50-9f1a-26afe07194aa/sv-benchmarks/c/eca-rers2012/Problem10_label18_true-unreach-call.c [2018-11-18 12:22:33,115 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a7902658-55c8-4e50-9f1a-26afe07194aa/bin-2019/utaipan/data/70402e4a7/f6957303112f4010a47c925391d842f1/FLAG401232c0e [2018-11-18 12:22:33,129 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a7902658-55c8-4e50-9f1a-26afe07194aa/bin-2019/utaipan/data/70402e4a7/f6957303112f4010a47c925391d842f1 [2018-11-18 12:22:33,132 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:22:33,134 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:22:33,134 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:22:33,135 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:22:33,138 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:22:33,139 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:22:33" (1/1) ... [2018-11-18 12:22:33,141 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b7b9b1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:22:33, skipping insertion in model container [2018-11-18 12:22:33,142 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:22:33" (1/1) ... [2018-11-18 12:22:33,151 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:22:33,190 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:22:33,423 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:22:33,425 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:22:33,498 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:22:33,512 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:22:33,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:22:33 WrapperNode [2018-11-18 12:22:33,513 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:22:33,514 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:22:33,514 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:22:33,514 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:22:33,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:22:33" (1/1) ... [2018-11-18 12:22:33,589 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:22:33" (1/1) ... [2018-11-18 12:22:33,596 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:22:33,596 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:22:33,596 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:22:33,597 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:22:33,604 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:22:33" (1/1) ... [2018-11-18 12:22:33,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:22:33" (1/1) ... [2018-11-18 12:22:33,607 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:22:33" (1/1) ... [2018-11-18 12:22:33,607 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:22:33" (1/1) ... [2018-11-18 12:22:33,630 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:22:33" (1/1) ... [2018-11-18 12:22:33,640 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:22:33" (1/1) ... [2018-11-18 12:22:33,645 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:22:33" (1/1) ... [2018-11-18 12:22:33,651 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:22:33,652 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:22:33,652 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:22:33,652 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:22:33,653 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:22:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a7902658-55c8-4e50-9f1a-26afe07194aa/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 [2018-11-18 12:22:33,708 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 12:22:33,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 12:22:33,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 12:22:33,708 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 12:22:33,708 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 12:22:33,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:22:33,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:22:33,709 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 12:22:33,709 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 12:22:34,589 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:22:34,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:22:34 BoogieIcfgContainer [2018-11-18 12:22:34,590 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:22:34,590 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 12:22:34,590 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 12:22:34,593 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 12:22:34,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 12:22:33" (1/3) ... [2018-11-18 12:22:34,593 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@548181ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:22:34, skipping insertion in model container [2018-11-18 12:22:34,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:22:33" (2/3) ... [2018-11-18 12:22:34,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@548181ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:22:34, skipping insertion in model container [2018-11-18 12:22:34,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:22:34" (3/3) ... [2018-11-18 12:22:34,596 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label18_true-unreach-call.c [2018-11-18 12:22:34,603 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 12:22:34,610 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 12:22:34,621 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 12:22:34,645 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 12:22:34,646 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 12:22:34,646 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 12:22:34,646 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:22:34,646 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:22:34,646 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 12:22:34,646 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:22:34,646 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 12:22:34,665 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2018-11-18 12:22:34,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 12:22:34,671 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:22:34,672 INFO L375 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] [2018-11-18 12:22:34,674 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:22:34,678 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:22:34,678 INFO L82 PathProgramCache]: Analyzing trace with hash -1094917127, now seen corresponding path program 1 times [2018-11-18 12:22:34,680 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:22:34,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:22:34,716 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:22:34,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:22:34,717 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:22:34,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:22:34,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:22:34,936 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:22:34,936 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:22:34,937 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:22:34,941 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:22:34,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:22:34,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:22:34,952 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 3 states. [2018-11-18 12:22:35,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:22:35,715 INFO L93 Difference]: Finished difference Result 574 states and 992 transitions. [2018-11-18 12:22:35,715 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:22:35,717 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2018-11-18 12:22:35,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:22:35,729 INFO L225 Difference]: With dead ends: 574 [2018-11-18 12:22:35,729 INFO L226 Difference]: Without dead ends: 356 [2018-11-18 12:22:35,735 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:22:35,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2018-11-18 12:22:35,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2018-11-18 12:22:35,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2018-11-18 12:22:35,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 607 transitions. [2018-11-18 12:22:35,790 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 607 transitions. Word has length 65 [2018-11-18 12:22:35,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:22:35,791 INFO L480 AbstractCegarLoop]: Abstraction has 356 states and 607 transitions. [2018-11-18 12:22:35,791 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:22:35,791 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 607 transitions. [2018-11-18 12:22:35,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-18 12:22:35,797 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:22:35,797 INFO L375 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] [2018-11-18 12:22:35,797 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:22:35,798 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:22:35,798 INFO L82 PathProgramCache]: Analyzing trace with hash -158476620, now seen corresponding path program 1 times [2018-11-18 12:22:35,798 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:22:35,799 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:22:35,800 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:22:35,800 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:22:35,800 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:22:35,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:22:35,998 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 12:22:35,998 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:22:35,998 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:22:36,002 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 154 with the following transitions: [2018-11-18 12:22:36,003 INFO L202 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], [421], [423], [426], [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], [566], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-18 12:22:36,035 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:22:36,035 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:22:36,344 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 12:22:36,346 INFO L272 AbstractInterpreter]: Visited 92 different actions 92 times. Never merged. Never widened. Performed 825 root evaluator evaluations with a maximum evaluation depth of 3. Performed 825 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-11-18 12:22:36,355 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:22:36,355 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 12:22:36,659 INFO L227 lantSequenceWeakener]: Weakened 147 states. On average, predicates are now at 74.04% of their original sizes. [2018-11-18 12:22:36,659 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 12:22:36,681 INFO L415 sIntCurrentIteration]: We unified 152 AI predicates to 152 [2018-11-18 12:22:36,681 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 12:22:36,682 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 12:22:36,682 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [4] total 8 [2018-11-18 12:22:36,683 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:22:36,684 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 12:22:36,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:22:36,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:22:36,684 INFO L87 Difference]: Start difference. First operand 356 states and 607 transitions. Second operand 6 states. [2018-11-18 12:22:49,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:22:49,155 INFO L93 Difference]: Finished difference Result 852 states and 1471 transitions. [2018-11-18 12:22:49,155 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 12:22:49,155 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 153 [2018-11-18 12:22:49,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:22:49,162 INFO L225 Difference]: With dead ends: 852 [2018-11-18 12:22:49,162 INFO L226 Difference]: Without dead ends: 502 [2018-11-18 12:22:49,164 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 153 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 12:22:49,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2018-11-18 12:22:49,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 500. [2018-11-18 12:22:49,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 500 states. [2018-11-18 12:22:49,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 757 transitions. [2018-11-18 12:22:49,188 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 757 transitions. Word has length 153 [2018-11-18 12:22:49,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:22:49,189 INFO L480 AbstractCegarLoop]: Abstraction has 500 states and 757 transitions. [2018-11-18 12:22:49,189 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 12:22:49,189 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 757 transitions. [2018-11-18 12:22:49,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-11-18 12:22:49,194 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:22:49,194 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:22:49,194 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:22:49,195 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:22:49,195 INFO L82 PathProgramCache]: Analyzing trace with hash -1560963418, now seen corresponding path program 1 times [2018-11-18 12:22:49,195 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:22:49,196 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:22:49,196 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:22:49,196 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:22:49,197 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:22:49,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:22:49,398 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-11-18 12:22:49,398 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:22:49,398 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:22:49,398 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 225 with the following transitions: [2018-11-18 12:22:49,399 INFO L202 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], [421], [423], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [566], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-18 12:22:49,401 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:22:49,401 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:22:50,723 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 12:22:50,723 INFO L272 AbstractInterpreter]: Visited 96 different actions 283 times. Merged at 7 different actions 17 times. Never widened. Performed 2693 root evaluator evaluations with a maximum evaluation depth of 20. Performed 2693 inverse root evaluator evaluations with a maximum inverse evaluation depth of 20. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-18 12:22:50,725 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:22:50,725 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 12:22:51,165 INFO L227 lantSequenceWeakener]: Weakened 221 states. On average, predicates are now at 76.1% of their original sizes. [2018-11-18 12:22:51,165 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 12:22:51,216 INFO L415 sIntCurrentIteration]: We unified 223 AI predicates to 223 [2018-11-18 12:22:51,216 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 12:22:51,217 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 12:22:51,217 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [4] total 11 [2018-11-18 12:22:51,217 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:22:51,217 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 12:22:51,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 12:22:51,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 12:22:51,218 INFO L87 Difference]: Start difference. First operand 500 states and 757 transitions. Second operand 9 states. [2018-11-18 12:23:06,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:23:06,719 INFO L93 Difference]: Finished difference Result 1241 states and 2087 transitions. [2018-11-18 12:23:06,719 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 12:23:06,719 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 224 [2018-11-18 12:23:06,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:23:06,724 INFO L225 Difference]: With dead ends: 1241 [2018-11-18 12:23:06,725 INFO L226 Difference]: Without dead ends: 891 [2018-11-18 12:23:06,727 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 230 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-11-18 12:23:06,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 891 states. [2018-11-18 12:23:06,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 891 to 869. [2018-11-18 12:23:06,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 869 states. [2018-11-18 12:23:06,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 1221 transitions. [2018-11-18 12:23:06,759 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 1221 transitions. Word has length 224 [2018-11-18 12:23:06,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:23:06,760 INFO L480 AbstractCegarLoop]: Abstraction has 869 states and 1221 transitions. [2018-11-18 12:23:06,760 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 12:23:06,760 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1221 transitions. [2018-11-18 12:23:06,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-11-18 12:23:06,765 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:23:06,765 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:23:06,766 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:23:06,766 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:23:06,766 INFO L82 PathProgramCache]: Analyzing trace with hash -252631541, now seen corresponding path program 1 times [2018-11-18 12:23:06,766 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:23:06,767 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:23:06,767 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:23:06,767 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:23:06,768 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:23:06,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:23:06,960 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 194 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:23:06,960 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:23:06,961 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:23:06,961 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 272 with the following transitions: [2018-11-18 12:23:06,961 INFO L202 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], [421], [423], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [718], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-18 12:23:06,964 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:23:06,964 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:23:07,072 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 12:23:07,073 INFO L272 AbstractInterpreter]: Visited 135 different actions 268 times. Merged at 7 different actions 10 times. Never widened. Performed 2812 root evaluator evaluations with a maximum evaluation depth of 10. Performed 2812 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 2 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-18 12:23:07,075 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:23:07,076 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 12:23:07,076 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:23:07,076 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a7902658-55c8-4e50-9f1a-26afe07194aa/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 [2018-11-18 12:23:07,083 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:23:07,083 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 12:23:07,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:23:07,151 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:23:07,288 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 194 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:23:07,288 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:23:07,471 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 194 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:23:07,500 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 12:23:07,501 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-18 12:23:07,501 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 12:23:07,502 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 12:23:07,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 12:23:07,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-11-18 12:23:07,503 INFO L87 Difference]: Start difference. First operand 869 states and 1221 transitions. Second operand 9 states. [2018-11-18 12:23:09,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:23:09,413 INFO L93 Difference]: Finished difference Result 2276 states and 3640 transitions. [2018-11-18 12:23:09,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 12:23:09,414 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 271 [2018-11-18 12:23:09,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:23:09,423 INFO L225 Difference]: With dead ends: 2276 [2018-11-18 12:23:09,424 INFO L226 Difference]: Without dead ends: 1021 [2018-11-18 12:23:09,436 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 563 GetRequests, 545 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2018-11-18 12:23:09,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1021 states. [2018-11-18 12:23:09,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1021 to 1001. [2018-11-18 12:23:09,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1001 states. [2018-11-18 12:23:09,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1001 states to 1001 states and 1199 transitions. [2018-11-18 12:23:09,473 INFO L78 Accepts]: Start accepts. Automaton has 1001 states and 1199 transitions. Word has length 271 [2018-11-18 12:23:09,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:23:09,474 INFO L480 AbstractCegarLoop]: Abstraction has 1001 states and 1199 transitions. [2018-11-18 12:23:09,474 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 12:23:09,474 INFO L276 IsEmpty]: Start isEmpty. Operand 1001 states and 1199 transitions. [2018-11-18 12:23:09,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-11-18 12:23:09,481 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:23:09,481 INFO L375 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:23:09,481 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:23:09,481 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:23:09,482 INFO L82 PathProgramCache]: Analyzing trace with hash 64014099, now seen corresponding path program 1 times [2018-11-18 12:23:09,482 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:23:09,482 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:23:09,483 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:23:09,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:23:09,483 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:23:09,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:23:09,695 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 117 proven. 46 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-18 12:23:09,695 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:23:09,695 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:23:09,695 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 308 with the following transitions: [2018-11-18 12:23:09,696 INFO L202 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], [421], [423], [426], [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], [718], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-18 12:23:09,699 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:23:09,700 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:23:09,854 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 12:23:09,855 INFO L272 AbstractInterpreter]: Visited 134 different actions 262 times. Merged at 5 different actions 5 times. Never widened. Performed 2715 root evaluator evaluations with a maximum evaluation depth of 13. Performed 2715 inverse root evaluator evaluations with a maximum inverse evaluation depth of 13. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-18 12:23:09,873 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:23:09,874 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 12:23:10,120 INFO L227 lantSequenceWeakener]: Weakened 304 states. On average, predicates are now at 78.41% of their original sizes. [2018-11-18 12:23:10,121 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 12:23:10,192 INFO L415 sIntCurrentIteration]: We unified 306 AI predicates to 306 [2018-11-18 12:23:10,192 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 12:23:10,193 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 12:23:10,193 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-18 12:23:10,193 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:23:10,194 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 12:23:10,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 12:23:10,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 12:23:10,194 INFO L87 Difference]: Start difference. First operand 1001 states and 1199 transitions. Second operand 10 states. [2018-11-18 12:23:25,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:23:25,332 INFO L93 Difference]: Finished difference Result 2096 states and 2619 transitions. [2018-11-18 12:23:25,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-18 12:23:25,332 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 307 [2018-11-18 12:23:25,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:23:25,336 INFO L225 Difference]: With dead ends: 2096 [2018-11-18 12:23:25,336 INFO L226 Difference]: Without dead ends: 1245 [2018-11-18 12:23:25,339 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 317 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-11-18 12:23:25,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1245 states. [2018-11-18 12:23:25,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1245 to 1196. [2018-11-18 12:23:25,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1196 states. [2018-11-18 12:23:25,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1196 states to 1196 states and 1421 transitions. [2018-11-18 12:23:25,367 INFO L78 Accepts]: Start accepts. Automaton has 1196 states and 1421 transitions. Word has length 307 [2018-11-18 12:23:25,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:23:25,367 INFO L480 AbstractCegarLoop]: Abstraction has 1196 states and 1421 transitions. [2018-11-18 12:23:25,367 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 12:23:25,367 INFO L276 IsEmpty]: Start isEmpty. Operand 1196 states and 1421 transitions. [2018-11-18 12:23:25,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2018-11-18 12:23:25,373 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:23:25,374 INFO L375 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 12:23:25,374 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:23:25,374 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:23:25,374 INFO L82 PathProgramCache]: Analyzing trace with hash -1508247517, now seen corresponding path program 1 times [2018-11-18 12:23:25,374 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:23:25,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:23:25,375 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:23:25,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:23:25,375 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:23:25,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:23:25,605 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 364 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-18 12:23:25,605 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:23:25,605 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:23:25,606 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 381 with the following transitions: [2018-11-18 12:23:25,606 INFO L202 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], [421], [423], [426], [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], [718], [792], [796], [800], [806], [810], [812], [817], [818], [819], [821], [822] [2018-11-18 12:23:25,609 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:23:25,609 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:23:25,852 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 12:23:25,852 INFO L272 AbstractInterpreter]: Visited 136 different actions 404 times. Merged at 8 different actions 20 times. Never widened. Performed 4285 root evaluator evaluations with a maximum evaluation depth of 13. Performed 4285 inverse root evaluator evaluations with a maximum inverse evaluation depth of 13. Found 4 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-18 12:23:25,861 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:23:25,862 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 12:23:25,862 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:23:25,862 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a7902658-55c8-4e50-9f1a-26afe07194aa/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 [2018-11-18 12:23:25,870 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:23:25,870 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 12:23:25,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:23:25,953 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:23:26,056 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 364 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-18 12:23:26,057 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:23:26,207 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 364 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-18 12:23:26,233 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 12:23:26,234 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 8 [2018-11-18 12:23:26,234 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 12:23:26,234 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 12:23:26,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 12:23:26,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-11-18 12:23:26,235 INFO L87 Difference]: Start difference. First operand 1196 states and 1421 transitions. Second operand 7 states. [2018-11-18 12:23:27,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:23:27,072 INFO L93 Difference]: Finished difference Result 3253 states and 3927 transitions. [2018-11-18 12:23:27,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 12:23:27,073 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 380 [2018-11-18 12:23:27,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:23:27,079 INFO L225 Difference]: With dead ends: 3253 [2018-11-18 12:23:27,079 INFO L226 Difference]: Without dead ends: 2207 [2018-11-18 12:23:27,082 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 773 GetRequests, 760 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2018-11-18 12:23:27,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2207 states. [2018-11-18 12:23:27,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2207 to 2096. [2018-11-18 12:23:27,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2096 states. [2018-11-18 12:23:27,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2096 states to 2096 states and 2456 transitions. [2018-11-18 12:23:27,113 INFO L78 Accepts]: Start accepts. Automaton has 2096 states and 2456 transitions. Word has length 380 [2018-11-18 12:23:27,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:23:27,113 INFO L480 AbstractCegarLoop]: Abstraction has 2096 states and 2456 transitions. [2018-11-18 12:23:27,113 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 12:23:27,113 INFO L276 IsEmpty]: Start isEmpty. Operand 2096 states and 2456 transitions. [2018-11-18 12:23:27,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2018-11-18 12:23:27,118 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:23:27,118 INFO L375 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, 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] [2018-11-18 12:23:27,119 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:23:27,119 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:23:27,119 INFO L82 PathProgramCache]: Analyzing trace with hash -799298838, now seen corresponding path program 1 times [2018-11-18 12:23:27,119 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:23:27,119 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:23:27,120 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:23:27,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:23:27,120 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:23:27,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:23:27,268 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2018-11-18 12:23:27,268 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:23:27,269 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 12:23:27,269 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:23:27,269 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 12:23:27,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 12:23:27,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 12:23:27,270 INFO L87 Difference]: Start difference. First operand 2096 states and 2456 transitions. Second operand 4 states. [2018-11-18 12:23:27,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:23:27,773 INFO L93 Difference]: Finished difference Result 5227 states and 6377 transitions. [2018-11-18 12:23:27,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 12:23:27,782 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 393 [2018-11-18 12:23:27,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:23:27,782 INFO L225 Difference]: With dead ends: 5227 [2018-11-18 12:23:27,782 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 12:23:27,786 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 12:23:27,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 12:23:27,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 12:23:27,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 12:23:27,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 12:23:27,787 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 393 [2018-11-18 12:23:27,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:23:27,787 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 12:23:27,787 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 12:23:27,787 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 12:23:27,787 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 12:23:27,791 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 12:23:28,104 WARN L180 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 67 [2018-11-18 12:23:28,181 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:23:28,181 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a19~0)| ~a19~0) (= ~a1~0 |old(~a1~0)|)) [2018-11-18 12:23:28,181 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:23:28,181 INFO L425 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-11-18 12:23:28,181 INFO L425 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:23:28,181 INFO L425 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:23:28,182 INFO L425 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:23:28,182 INFO L425 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:23:28,182 INFO L425 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:23:28,182 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:23:28,182 INFO L425 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-11-18 12:23:28,182 INFO L425 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-11-18 12:23:28,182 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-18 12:23:28,182 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-18 12:23:28,182 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-18 12:23:28,182 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-18 12:23:28,182 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-18 12:23:28,182 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-18 12:23:28,182 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-11-18 12:23:28,182 INFO L425 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-11-18 12:23:28,182 INFO L425 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-11-18 12:23:28,182 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 178) no Hoare annotation was computed. [2018-11-18 12:23:28,182 INFO L425 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:23:28,182 INFO L425 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:23:28,182 INFO L425 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:23:28,182 INFO L425 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:23:28,182 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:23:28,183 INFO L425 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-11-18 12:23:28,183 INFO L425 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-11-18 12:23:28,183 INFO L425 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-11-18 12:23:28,183 INFO L425 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-11-18 12:23:28,183 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-18 12:23:28,183 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-18 12:23:28,183 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-18 12:23:28,183 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-18 12:23:28,183 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-18 12:23:28,183 INFO L425 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-11-18 12:23:28,183 INFO L425 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-11-18 12:23:28,183 INFO L425 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-11-18 12:23:28,183 INFO L425 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-11-18 12:23:28,183 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-11-18 12:23:28,183 INFO L425 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:23:28,183 INFO L425 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:23:28,183 INFO L425 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:23:28,183 INFO L425 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:23:28,183 INFO L425 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:23:28,183 INFO L425 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-11-18 12:23:28,183 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-18 12:23:28,183 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-18 12:23:28,183 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-18 12:23:28,183 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-18 12:23:28,183 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-18 12:23:28,184 INFO L425 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-11-18 12:23:28,184 INFO L425 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-11-18 12:23:28,184 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-11-18 12:23:28,184 INFO L425 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-11-18 12:23:28,184 INFO L425 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:23:28,184 INFO L425 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:23:28,184 INFO L425 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:23:28,184 INFO L425 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:23:28,184 INFO L425 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:23:28,184 INFO L425 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-11-18 12:23:28,184 INFO L425 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-11-18 12:23:28,184 INFO L425 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-11-18 12:23:28,184 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-18 12:23:28,184 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-18 12:23:28,184 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-18 12:23:28,184 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-18 12:23:28,184 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-18 12:23:28,185 INFO L425 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-11-18 12:23:28,185 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-11-18 12:23:28,185 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-11-18 12:23:28,185 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-11-18 12:23:28,185 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-11-18 12:23:28,185 INFO L425 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:23:28,185 INFO L425 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:23:28,185 INFO L425 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:23:28,185 INFO L425 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:23:28,185 INFO L425 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:23:28,185 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-18 12:23:28,185 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-18 12:23:28,185 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-18 12:23:28,185 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-18 12:23:28,186 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-18 12:23:28,186 INFO L425 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-11-18 12:23:28,186 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-11-18 12:23:28,186 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-11-18 12:23:28,186 INFO L425 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-11-18 12:23:28,186 INFO L425 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:23:28,186 INFO L425 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:23:28,186 INFO L425 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:23:28,186 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:23:28,186 INFO L425 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:23:28,186 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:23:28,186 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:23:28,186 INFO L425 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-11-18 12:23:28,186 INFO L425 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-11-18 12:23:28,186 INFO L425 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-11-18 12:23:28,186 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-11-18 12:23:28,186 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-18 12:23:28,186 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-18 12:23:28,186 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-18 12:23:28,186 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-18 12:23:28,186 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-18 12:23:28,187 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-11-18 12:23:28,187 INFO L425 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-11-18 12:23:28,187 INFO L425 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-11-18 12:23:28,187 INFO L425 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-11-18 12:23:28,187 INFO L425 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:23:28,187 INFO L425 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:23:28,187 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:23:28,187 INFO L425 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:23:28,187 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-18 12:23:28,187 INFO L425 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:23:28,187 INFO L425 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:23:28,187 INFO L425 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-11-18 12:23:28,187 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-11-18 12:23:28,187 INFO L425 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-11-18 12:23:28,187 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-18 12:23:28,187 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-18 12:23:28,187 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-18 12:23:28,188 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-18 12:23:28,188 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-18 12:23:28,188 INFO L425 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-18 12:23:28,188 INFO L425 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-11-18 12:23:28,188 INFO L425 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-11-18 12:23:28,188 INFO L425 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-11-18 12:23:28,188 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-11-18 12:23:28,188 INFO L425 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:23:28,188 INFO L425 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:23:28,188 INFO L425 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:23:28,188 INFO L425 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:23:28,188 INFO L425 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:23:28,188 INFO L425 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:23:28,188 INFO L425 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-11-18 12:23:28,189 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-11-18 12:23:28,189 INFO L425 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-11-18 12:23:28,189 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-18 12:23:28,189 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-18 12:23:28,189 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-18 12:23:28,189 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-18 12:23:28,189 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-18 12:23:28,189 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-18 12:23:28,189 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-11-18 12:23:28,189 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-11-18 12:23:28,189 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse4 (= |calculate_output_#in~input| 0)) (.cse1 (not (= 14 ~a4~0))) (.cse2 (not (= 0 ~a12~0))) (.cse3 (not (= 9 |old(~a19~0)|))) (.cse5 (= |old(~a19~0)| ~a19~0)) (.cse0 (= ~a1~0 |old(~a1~0)|))) (and (or (not (= 8 |old(~a19~0)|)) (= 8 ~a19~0)) (or (and (= ~a19~0 9) (= (mod ~a10~0 2) 0) .cse0) .cse1 .cse2 (not (= 0 (mod |old(~a10~0)| 2))) .cse3 .cse4) (or (and .cse5 .cse0) (< 0 (+ |old(~a1~0)| 333899)) (< 8 |old(~a19~0)|)) (or (or (and (= ~a10~0 0) (= ~a1~0 23)) (= ~a10~0 1)) .cse4 (and (or .cse1 .cse2 .cse3 (not (= 23 |old(~a1~0)|)) (not (= 0 |old(~a10~0)|))) (or (not (= 1 |old(~a10~0)|)) .cse1 .cse2 .cse3))) (or (= 4 |old(~a10~0)|) (and .cse5 (not (= ~a10~0 4)) .cse0)))) [2018-11-18 12:23:28,190 INFO L425 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-11-18 12:23:28,190 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-11-18 12:23:28,190 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-11-18 12:23:28,190 INFO L425 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:23:28,190 INFO L425 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:23:28,190 INFO L425 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:23:28,190 INFO L425 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:23:28,190 INFO L425 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:23:28,190 INFO L425 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:23:28,190 INFO L425 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-11-18 12:23:28,190 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-18 12:23:28,190 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-18 12:23:28,190 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-18 12:23:28,190 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-18 12:23:28,191 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-18 12:23:28,191 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-18 12:23:28,191 INFO L425 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-11-18 12:23:28,191 INFO L425 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-11-18 12:23:28,191 INFO L425 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-11-18 12:23:28,191 INFO L425 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-11-18 12:23:28,191 INFO L425 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-11-18 12:23:28,191 INFO L425 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-11-18 12:23:28,191 INFO L425 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:23:28,191 INFO L425 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:23:28,191 INFO L425 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:23:28,191 INFO L425 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:23:28,191 INFO L425 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:23:28,191 INFO L425 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:23:28,192 INFO L425 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-11-18 12:23:28,192 INFO L425 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-11-18 12:23:28,192 INFO L425 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-11-18 12:23:28,192 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-18 12:23:28,192 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-18 12:23:28,192 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-18 12:23:28,192 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-18 12:23:28,192 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-18 12:23:28,192 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-18 12:23:28,192 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-11-18 12:23:28,192 INFO L425 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-11-18 12:23:28,192 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-11-18 12:23:28,192 INFO L425 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:23:28,192 INFO L425 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:23:28,192 INFO L425 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:23:28,192 INFO L425 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:23:28,192 INFO L425 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:23:28,192 INFO L425 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2018-11-18 12:23:28,192 INFO L425 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-11-18 12:23:28,192 INFO L425 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-11-18 12:23:28,192 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-11-18 12:23:28,192 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-18 12:23:28,192 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-18 12:23:28,192 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-18 12:23:28,193 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-18 12:23:28,193 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-18 12:23:28,193 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-18 12:23:28,193 INFO L425 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-11-18 12:23:28,193 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-11-18 12:23:28,193 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-11-18 12:23:28,193 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:23:28,193 INFO L421 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)) [2018-11-18 12:23:28,193 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 12:23:28,193 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:23:28,193 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (= 14 ~a4~0)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 23 |old(~a1~0)|)) (not (= 0 |old(~a10~0)|)) (and (= ~a19~0 9) (= ~a10~0 0) (= ~a1~0 |old(~a1~0)|))) [2018-11-18 12:23:28,193 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-11-18 12:23:28,193 INFO L421 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (or (= 8 ~a19~0) (not (= ~a10~0 4)) (not (= 14 ~a4~0)) (and (not (= main_~input~0 0)) (= ~a19~0 9)) (not (= 23 |old(~a1~0)|)) (and (<= (+ ~a1~0 333899) 0) (<= ~a19~0 8)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 0 |old(~a10~0)|))) [2018-11-18 12:23:28,193 INFO L425 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-11-18 12:23:28,193 INFO L425 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-11-18 12:23:28,193 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 582 591) no Hoare annotation was computed. [2018-11-18 12:23:28,193 INFO L421 ceAbstractionStarter]: At program point L582-3(lines 582 591) the Hoare annotation is: (or (= 8 ~a19~0) (not (= ~a10~0 4)) (not (= 14 ~a4~0)) (not (= 23 |old(~a1~0)|)) (= ~a19~0 9) (and (<= (+ ~a1~0 333899) 0) (<= ~a19~0 8)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 0 |old(~a10~0)|))) [2018-11-18 12:23:28,193 INFO L425 ceAbstractionStarter]: For program point L582-4(lines 576 592) no Hoare annotation was computed. [2018-11-18 12:23:28,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 12:23:28 BoogieIcfgContainer [2018-11-18 12:23:28,201 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 12:23:28,201 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:23:28,201 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:23:28,201 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:23:28,202 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:22:34" (3/4) ... [2018-11-18 12:23:28,204 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 12:23:28,208 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 12:23:28,208 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 12:23:28,208 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 12:23:28,215 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 12:23:28,215 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 12:23:28,232 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((8 == a19 || !(a10 == 4)) || !(14 == a4)) || !(23 == \old(a1))) || a19 == 9) || (a1 + 333899 <= 0 && a19 <= 8)) || !(0 == a12)) || !(9 == \old(a19))) || !(0 == \old(a10)) [2018-11-18 12:23:28,299 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a7902658-55c8-4e50-9f1a-26afe07194aa/bin-2019/utaipan/witness.graphml [2018-11-18 12:23:28,300 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:23:28,300 INFO L168 Benchmark]: Toolchain (without parser) took 55167.44 ms. Allocated memory was 1.0 GB in the beginning and 4.9 GB in the end (delta: 3.9 GB). Free memory was 954.3 MB in the beginning and 1.1 GB in the end (delta: -126.1 MB). Peak memory consumption was 3.8 GB. Max. memory is 11.5 GB. [2018-11-18 12:23:28,301 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:23:28,301 INFO L168 Benchmark]: CACSL2BoogieTranslator took 378.86 ms. Allocated memory is still 1.0 GB. Free memory was 954.3 MB in the beginning and 924.8 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-11-18 12:23:28,303 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 922.1 MB in the beginning and 1.2 GB in the end (delta: -231.7 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2018-11-18 12:23:28,303 INFO L168 Benchmark]: Boogie Preprocessor took 55.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:23:28,303 INFO L168 Benchmark]: RCFGBuilder took 937.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 110.7 MB). Peak memory consumption was 110.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:23:28,304 INFO L168 Benchmark]: TraceAbstraction took 53610.53 ms. Allocated memory was 1.2 GB in the beginning and 4.9 GB in the end (delta: 3.7 GB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -40.7 MB). Peak memory consumption was 3.7 GB. Max. memory is 11.5 GB. [2018-11-18 12:23:28,304 INFO L168 Benchmark]: Witness Printer took 98.67 ms. Allocated memory is still 4.9 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:23:28,306 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 378.86 ms. Allocated memory is still 1.0 GB. Free memory was 954.3 MB in the beginning and 924.8 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 82.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 922.1 MB in the beginning and 1.2 GB in the end (delta: -231.7 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 55.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 937.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 110.7 MB). Peak memory consumption was 110.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 53610.53 ms. Allocated memory was 1.2 GB in the beginning and 4.9 GB in the end (delta: 3.7 GB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -40.7 MB). Peak memory consumption was 3.7 GB. Max. memory is 11.5 GB. * Witness Printer took 98.67 ms. Allocated memory is still 4.9 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 178]: 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: (((((((8 == a19 || !(a10 == 4)) || !(14 == a4)) || !(23 == \old(a1))) || a19 == 9) || (a1 + 333899 <= 0 && a19 <= 8)) || !(0 == a12)) || !(9 == \old(a19))) || !(0 == \old(a10)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 216 locations, 1 error locations. SAFE Result, 53.5s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 47.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 764 SDtfs, 3625 SDslu, 1090 SDs, 0 SdLazy, 7052 SolverSat, 1418 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 40.3s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 2046 GetRequests, 1972 SyntacticMatches, 6 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2096occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.2s AbstIntTime, 5 AbstIntIterations, 3 AbstIntStrong, 0.9970945766236343 AbsIntWeakeningRatio, 0.10572687224669604 AbsIntAvgWeakeningVarsNumRemoved, 14.384728340675478 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 204 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 73 PreInvPairs, 133 NumberOfFragments, 270 HoareAnnotationTreeSize, 73 FomulaSimplifications, 3252 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1236 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 2444 NumberOfCodeBlocks, 2444 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 3084 ConstructedInterpolants, 0 QuantifiedInterpolants, 2505208 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1040 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 2615/2835 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...