./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label14_true-unreach-call_false-termination.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_5b81e191-eecc-45fc-abaf-9aa07e467b42/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5b81e191-eecc-45fc-abaf-9aa07e467b42/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5b81e191-eecc-45fc-abaf-9aa07e467b42/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5b81e191-eecc-45fc-abaf-9aa07e467b42/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label14_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5b81e191-eecc-45fc-abaf-9aa07e467b42/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5b81e191-eecc-45fc-abaf-9aa07e467b42/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 d50ba566f02e5109971f6a90ba216a95432a7661 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 14:22:36,723 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:22:36,724 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:22:36,732 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:22:36,733 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:22:36,733 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:22:36,734 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:22:36,735 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:22:36,736 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:22:36,737 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:22:36,738 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:22:36,738 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:22:36,739 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:22:36,739 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:22:36,740 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:22:36,740 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:22:36,741 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:22:36,742 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:22:36,744 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:22:36,745 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:22:36,745 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:22:36,746 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:22:36,748 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:22:36,748 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:22:36,748 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:22:36,749 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:22:36,749 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:22:36,750 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:22:36,750 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:22:36,751 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:22:36,751 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:22:36,752 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:22:36,752 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:22:36,752 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:22:36,753 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:22:36,753 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:22:36,753 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5b81e191-eecc-45fc-abaf-9aa07e467b42/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 14:22:36,763 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:22:36,763 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:22:36,764 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 14:22:36,764 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 14:22:36,764 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 14:22:36,765 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 14:22:36,765 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 14:22:36,765 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 14:22:36,765 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 14:22:36,765 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 14:22:36,765 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 14:22:36,765 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 14:22:36,765 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 14:22:36,766 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:22:36,766 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 14:22:36,766 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 14:22:36,766 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 14:22:36,767 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:22:36,767 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 14:22:36,767 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 14:22:36,767 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 14:22:36,767 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 14:22:36,767 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:22:36,767 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:22:36,768 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 14:22:36,768 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:22:36,768 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 14:22:36,768 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 14:22:36,768 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 14:22:36,768 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 14:22:36,768 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:22:36,769 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 14:22:36,769 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 14:22:36,769 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 14:22:36,769 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 14:22:36,769 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 14:22:36,769 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 14:22:36,769 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_5b81e191-eecc-45fc-abaf-9aa07e467b42/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 -> d50ba566f02e5109971f6a90ba216a95432a7661 [2018-11-18 14:22:36,792 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:22:36,802 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:22:36,804 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:22:36,805 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:22:36,805 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:22:36,806 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5b81e191-eecc-45fc-abaf-9aa07e467b42/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem01_label14_true-unreach-call_false-termination.c [2018-11-18 14:22:36,849 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5b81e191-eecc-45fc-abaf-9aa07e467b42/bin-2019/utaipan/data/4bfcceefa/e8dd9176368941cfabf589048c48ebeb/FLAG1f720e371 [2018-11-18 14:22:37,304 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:22:37,304 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5b81e191-eecc-45fc-abaf-9aa07e467b42/sv-benchmarks/c/eca-rers2012/Problem01_label14_true-unreach-call_false-termination.c [2018-11-18 14:22:37,316 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5b81e191-eecc-45fc-abaf-9aa07e467b42/bin-2019/utaipan/data/4bfcceefa/e8dd9176368941cfabf589048c48ebeb/FLAG1f720e371 [2018-11-18 14:22:37,823 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5b81e191-eecc-45fc-abaf-9aa07e467b42/bin-2019/utaipan/data/4bfcceefa/e8dd9176368941cfabf589048c48ebeb [2018-11-18 14:22:37,825 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:22:37,825 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 14:22:37,826 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:22:37,826 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:22:37,828 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:22:37,829 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:22:37" (1/1) ... [2018-11-18 14:22:37,830 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46285f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:22:37, skipping insertion in model container [2018-11-18 14:22:37,830 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:22:37" (1/1) ... [2018-11-18 14:22:37,838 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:22:37,872 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:22:38,104 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:22:38,107 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 14:22:38,174 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:22:38,189 INFO L195 MainTranslator]: Completed translation [2018-11-18 14:22:38,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:22:38 WrapperNode [2018-11-18 14:22:38,190 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:22:38,190 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 14:22:38,190 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 14:22:38,190 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 14:22:38,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:22:38" (1/1) ... [2018-11-18 14:22:38,263 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:22:38" (1/1) ... [2018-11-18 14:22:38,269 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 14:22:38,269 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 14:22:38,269 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 14:22:38,269 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 14:22:38,277 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:22:38" (1/1) ... [2018-11-18 14:22:38,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:22:38" (1/1) ... [2018-11-18 14:22:38,280 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:22:38" (1/1) ... [2018-11-18 14:22:38,281 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:22:38" (1/1) ... [2018-11-18 14:22:38,304 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:22:38" (1/1) ... [2018-11-18 14:22:38,314 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:22:38" (1/1) ... [2018-11-18 14:22:38,317 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:22:38" (1/1) ... [2018-11-18 14:22:38,321 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 14:22:38,321 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 14:22:38,322 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 14:22:38,322 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 14:22:38,323 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:22:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5b81e191-eecc-45fc-abaf-9aa07e467b42/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 14:22:38,373 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 14:22:38,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 14:22:38,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 14:22:38,373 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 14:22:38,373 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 14:22:38,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 14:22:38,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 14:22:38,374 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 14:22:38,374 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 14:22:39,028 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 14:22:39,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:22:39 BoogieIcfgContainer [2018-11-18 14:22:39,029 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 14:22:39,029 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 14:22:39,029 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 14:22:39,031 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 14:22:39,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 02:22:37" (1/3) ... [2018-11-18 14:22:39,032 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cc3d75b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:22:39, skipping insertion in model container [2018-11-18 14:22:39,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:22:38" (2/3) ... [2018-11-18 14:22:39,032 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cc3d75b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:22:39, skipping insertion in model container [2018-11-18 14:22:39,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:22:39" (3/3) ... [2018-11-18 14:22:39,033 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label14_true-unreach-call_false-termination.c [2018-11-18 14:22:39,039 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 14:22:39,045 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 14:22:39,054 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 14:22:39,077 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 14:22:39,077 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 14:22:39,077 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 14:22:39,077 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 14:22:39,077 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 14:22:39,077 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 14:22:39,077 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 14:22:39,077 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 14:22:39,093 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-11-18 14:22:39,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-18 14:22:39,102 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:22:39,103 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:22:39,105 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:22:39,108 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:22:39,109 INFO L82 PathProgramCache]: Analyzing trace with hash 1783775568, now seen corresponding path program 1 times [2018-11-18 14:22:39,110 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:22:39,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:39,139 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:22:39,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:39,140 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:22:39,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:22:39,416 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 14:22:39,417 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:22:39,418 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 14:22:39,418 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:22:39,421 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 14:22:39,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 14:22:39,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 14:22:39,431 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-11-18 14:22:39,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:22:39,989 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-11-18 14:22:39,990 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 14:22:39,991 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2018-11-18 14:22:39,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:22:40,003 INFO L225 Difference]: With dead ends: 550 [2018-11-18 14:22:40,003 INFO L226 Difference]: Without dead ends: 340 [2018-11-18 14:22:40,008 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 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 14:22:40,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-11-18 14:22:40,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-11-18 14:22:40,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-11-18 14:22:40,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 541 transitions. [2018-11-18 14:22:40,050 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 541 transitions. Word has length 138 [2018-11-18 14:22:40,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:22:40,051 INFO L480 AbstractCegarLoop]: Abstraction has 340 states and 541 transitions. [2018-11-18 14:22:40,051 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 14:22:40,051 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 541 transitions. [2018-11-18 14:22:40,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 14:22:40,055 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:22:40,056 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:22:40,056 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:22:40,056 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:22:40,056 INFO L82 PathProgramCache]: Analyzing trace with hash 1808650351, now seen corresponding path program 1 times [2018-11-18 14:22:40,056 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:22:40,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:40,057 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:22:40,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:40,058 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:22:40,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:22:40,145 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:22:40,145 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:22:40,145 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 14:22:40,146 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:22:40,147 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 14:22:40,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 14:22:40,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 14:22:40,147 INFO L87 Difference]: Start difference. First operand 340 states and 541 transitions. Second operand 6 states. [2018-11-18 14:22:40,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:22:40,741 INFO L93 Difference]: Finished difference Result 1075 states and 1784 transitions. [2018-11-18 14:22:40,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 14:22:40,745 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 149 [2018-11-18 14:22:40,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:22:40,749 INFO L225 Difference]: With dead ends: 1075 [2018-11-18 14:22:40,750 INFO L226 Difference]: Without dead ends: 741 [2018-11-18 14:22:40,753 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 14:22:40,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2018-11-18 14:22:40,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 724. [2018-11-18 14:22:40,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 724 states. [2018-11-18 14:22:40,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 1120 transitions. [2018-11-18 14:22:40,782 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 1120 transitions. Word has length 149 [2018-11-18 14:22:40,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:22:40,783 INFO L480 AbstractCegarLoop]: Abstraction has 724 states and 1120 transitions. [2018-11-18 14:22:40,783 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 14:22:40,783 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 1120 transitions. [2018-11-18 14:22:40,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 14:22:40,786 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:22:40,787 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:22:40,787 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:22:40,787 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:22:40,787 INFO L82 PathProgramCache]: Analyzing trace with hash 2122506691, now seen corresponding path program 1 times [2018-11-18 14:22:40,787 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:22:40,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:40,788 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:22:40,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:40,789 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:22:40,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:22:40,989 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:22:40,989 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:22:40,990 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 14:22:40,990 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:22:40,990 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 14:22:40,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 14:22:40,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 14:22:40,991 INFO L87 Difference]: Start difference. First operand 724 states and 1120 transitions. Second operand 5 states. [2018-11-18 14:22:41,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:22:41,436 INFO L93 Difference]: Finished difference Result 1578 states and 2483 transitions. [2018-11-18 14:22:41,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 14:22:41,437 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 150 [2018-11-18 14:22:41,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:22:41,441 INFO L225 Difference]: With dead ends: 1578 [2018-11-18 14:22:41,441 INFO L226 Difference]: Without dead ends: 721 [2018-11-18 14:22:41,443 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 14:22:41,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2018-11-18 14:22:41,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 721. [2018-11-18 14:22:41,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 721 states. [2018-11-18 14:22:41,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 1044 transitions. [2018-11-18 14:22:41,462 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 1044 transitions. Word has length 150 [2018-11-18 14:22:41,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:22:41,462 INFO L480 AbstractCegarLoop]: Abstraction has 721 states and 1044 transitions. [2018-11-18 14:22:41,462 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 14:22:41,462 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 1044 transitions. [2018-11-18 14:22:41,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-18 14:22:41,465 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:22:41,465 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:22:41,465 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:22:41,465 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:22:41,465 INFO L82 PathProgramCache]: Analyzing trace with hash -1419468101, now seen corresponding path program 1 times [2018-11-18 14:22:41,466 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:22:41,466 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:41,466 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:22:41,466 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:41,467 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:22:41,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:22:41,553 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:22:41,553 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:22:41,553 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 14:22:41,553 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:22:41,554 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 14:22:41,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 14:22:41,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 14:22:41,554 INFO L87 Difference]: Start difference. First operand 721 states and 1044 transitions. Second operand 3 states. [2018-11-18 14:22:41,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:22:41,988 INFO L93 Difference]: Finished difference Result 2069 states and 3084 transitions. [2018-11-18 14:22:41,989 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 14:22:41,989 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 154 [2018-11-18 14:22:41,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:22:41,996 INFO L225 Difference]: With dead ends: 2069 [2018-11-18 14:22:41,996 INFO L226 Difference]: Without dead ends: 1354 [2018-11-18 14:22:41,999 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 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 14:22:42,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1354 states. [2018-11-18 14:22:42,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1354 to 1347. [2018-11-18 14:22:42,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1347 states. [2018-11-18 14:22:42,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1347 states to 1347 states and 1892 transitions. [2018-11-18 14:22:42,031 INFO L78 Accepts]: Start accepts. Automaton has 1347 states and 1892 transitions. Word has length 154 [2018-11-18 14:22:42,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:22:42,031 INFO L480 AbstractCegarLoop]: Abstraction has 1347 states and 1892 transitions. [2018-11-18 14:22:42,032 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 14:22:42,032 INFO L276 IsEmpty]: Start isEmpty. Operand 1347 states and 1892 transitions. [2018-11-18 14:22:42,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-18 14:22:42,036 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:22:42,036 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:22:42,036 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:22:42,037 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:22:42,037 INFO L82 PathProgramCache]: Analyzing trace with hash 1446107199, now seen corresponding path program 1 times [2018-11-18 14:22:42,037 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:22:42,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:42,038 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:22:42,038 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:42,038 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:22:42,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:22:42,126 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:22:42,126 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:22:42,126 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 14:22:42,126 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:22:42,126 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 14:22:42,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 14:22:42,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 14:22:42,127 INFO L87 Difference]: Start difference. First operand 1347 states and 1892 transitions. Second operand 4 states. [2018-11-18 14:22:42,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:22:42,656 INFO L93 Difference]: Finished difference Result 3232 states and 4626 transitions. [2018-11-18 14:22:42,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 14:22:42,656 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 173 [2018-11-18 14:22:42,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:22:42,663 INFO L225 Difference]: With dead ends: 3232 [2018-11-18 14:22:42,663 INFO L226 Difference]: Without dead ends: 1891 [2018-11-18 14:22:42,668 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 14:22:42,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1891 states. [2018-11-18 14:22:42,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1891 to 1891. [2018-11-18 14:22:42,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1891 states. [2018-11-18 14:22:42,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1891 states to 1891 states and 2551 transitions. [2018-11-18 14:22:42,708 INFO L78 Accepts]: Start accepts. Automaton has 1891 states and 2551 transitions. Word has length 173 [2018-11-18 14:22:42,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:22:42,709 INFO L480 AbstractCegarLoop]: Abstraction has 1891 states and 2551 transitions. [2018-11-18 14:22:42,709 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 14:22:42,709 INFO L276 IsEmpty]: Start isEmpty. Operand 1891 states and 2551 transitions. [2018-11-18 14:22:42,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-11-18 14:22:42,715 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:22:42,715 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:22:42,715 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:22:42,716 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:22:42,716 INFO L82 PathProgramCache]: Analyzing trace with hash -1915591307, now seen corresponding path program 1 times [2018-11-18 14:22:42,716 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:22:42,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:42,717 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:22:42,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:42,717 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:22:42,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:22:42,820 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 72 proven. 15 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 14:22:42,821 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:22:42,821 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:22:42,821 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 201 with the following transitions: [2018-11-18 14:22:42,823 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [73], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [705], [713], [721], [729], [737], [741], [743], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 14:22:42,857 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:22:42,857 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:22:43,219 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 14:22:43,221 INFO L272 AbstractInterpreter]: Visited 140 different actions 140 times. Never merged. Never widened. Performed 1795 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1795 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 42 variables. [2018-11-18 14:22:43,233 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:22:43,233 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 14:22:43,519 INFO L227 lantSequenceWeakener]: Weakened 188 states. On average, predicates are now at 80.66% of their original sizes. [2018-11-18 14:22:43,519 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 14:22:43,553 INFO L415 sIntCurrentIteration]: We unified 199 AI predicates to 199 [2018-11-18 14:22:43,553 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 14:22:43,553 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 14:22:43,554 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-18 14:22:43,554 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:22:43,554 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 14:22:43,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 14:22:43,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 14:22:43,555 INFO L87 Difference]: Start difference. First operand 1891 states and 2551 transitions. Second operand 6 states. [2018-11-18 14:22:46,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:22:46,161 INFO L93 Difference]: Finished difference Result 3914 states and 5257 transitions. [2018-11-18 14:22:46,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 14:22:46,161 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 200 [2018-11-18 14:22:46,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:22:46,168 INFO L225 Difference]: With dead ends: 3914 [2018-11-18 14:22:46,168 INFO L226 Difference]: Without dead ends: 2029 [2018-11-18 14:22:46,171 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 200 GetRequests, 195 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 14:22:46,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2029 states. [2018-11-18 14:22:46,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2029 to 2027. [2018-11-18 14:22:46,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2027 states. [2018-11-18 14:22:46,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2027 states to 2027 states and 2693 transitions. [2018-11-18 14:22:46,211 INFO L78 Accepts]: Start accepts. Automaton has 2027 states and 2693 transitions. Word has length 200 [2018-11-18 14:22:46,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:22:46,211 INFO L480 AbstractCegarLoop]: Abstraction has 2027 states and 2693 transitions. [2018-11-18 14:22:46,211 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 14:22:46,211 INFO L276 IsEmpty]: Start isEmpty. Operand 2027 states and 2693 transitions. [2018-11-18 14:22:46,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-18 14:22:46,217 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:22:46,217 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:22:46,218 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:22:46,218 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:22:46,218 INFO L82 PathProgramCache]: Analyzing trace with hash 191855448, now seen corresponding path program 1 times [2018-11-18 14:22:46,218 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:22:46,219 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:46,219 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:22:46,219 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:46,219 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:22:46,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:22:46,354 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 90 proven. 41 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 14:22:46,354 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:22:46,354 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:22:46,354 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 210 with the following transitions: [2018-11-18 14:22:46,355 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [73], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [705], [713], [721], [729], [737], [741], [743], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 14:22:46,359 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:22:46,359 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:22:46,667 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 14:22:46,667 INFO L272 AbstractInterpreter]: Visited 144 different actions 282 times. Merged at 5 different actions 5 times. Never widened. Performed 3595 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3595 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-18 14:22:46,673 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:22:46,673 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 14:22:47,021 INFO L227 lantSequenceWeakener]: Weakened 206 states. On average, predicates are now at 82.05% of their original sizes. [2018-11-18 14:22:47,022 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 14:22:47,088 INFO L415 sIntCurrentIteration]: We unified 208 AI predicates to 208 [2018-11-18 14:22:47,088 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 14:22:47,089 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 14:22:47,089 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [9] total 17 [2018-11-18 14:22:47,089 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:22:47,089 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 14:22:47,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 14:22:47,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 14:22:47,090 INFO L87 Difference]: Start difference. First operand 2027 states and 2693 transitions. Second operand 10 states. [2018-11-18 14:22:49,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:22:49,973 INFO L93 Difference]: Finished difference Result 4053 states and 5402 transitions. [2018-11-18 14:22:49,973 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 14:22:49,973 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 209 [2018-11-18 14:22:49,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:22:49,978 INFO L225 Difference]: With dead ends: 4053 [2018-11-18 14:22:49,978 INFO L226 Difference]: Without dead ends: 2168 [2018-11-18 14:22:49,981 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 216 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-11-18 14:22:49,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2168 states. [2018-11-18 14:22:50,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2168 to 2165. [2018-11-18 14:22:50,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2165 states. [2018-11-18 14:22:50,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2165 states to 2165 states and 2841 transitions. [2018-11-18 14:22:50,015 INFO L78 Accepts]: Start accepts. Automaton has 2165 states and 2841 transitions. Word has length 209 [2018-11-18 14:22:50,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:22:50,015 INFO L480 AbstractCegarLoop]: Abstraction has 2165 states and 2841 transitions. [2018-11-18 14:22:50,015 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 14:22:50,015 INFO L276 IsEmpty]: Start isEmpty. Operand 2165 states and 2841 transitions. [2018-11-18 14:22:50,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-11-18 14:22:50,019 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:22:50,019 INFO L375 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:22:50,020 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:22:50,020 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:22:50,020 INFO L82 PathProgramCache]: Analyzing trace with hash -1827509815, now seen corresponding path program 1 times [2018-11-18 14:22:50,020 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:22:50,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:50,021 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:22:50,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:50,021 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:22:50,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:22:50,127 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 94 proven. 15 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 14:22:50,128 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:22:50,128 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:22:50,128 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 223 with the following transitions: [2018-11-18 14:22:50,128 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [73], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [705], [713], [721], [729], [737], [741], [743], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 14:22:50,133 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:22:50,133 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:22:50,340 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 14:22:50,340 INFO L272 AbstractInterpreter]: Visited 143 different actions 280 times. Merged at 5 different actions 5 times. Never widened. Performed 3617 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3617 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-18 14:22:50,347 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:22:50,347 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 14:22:50,504 INFO L227 lantSequenceWeakener]: Weakened 219 states. On average, predicates are now at 82.03% of their original sizes. [2018-11-18 14:22:50,504 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 14:22:50,554 INFO L415 sIntCurrentIteration]: We unified 221 AI predicates to 221 [2018-11-18 14:22:50,554 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 14:22:50,554 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 14:22:50,554 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-18 14:22:50,554 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:22:50,555 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 14:22:50,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 14:22:50,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 14:22:50,555 INFO L87 Difference]: Start difference. First operand 2165 states and 2841 transitions. Second operand 10 states. [2018-11-18 14:22:53,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:22:53,697 INFO L93 Difference]: Finished difference Result 4602 states and 6122 transitions. [2018-11-18 14:22:53,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 14:22:53,697 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 222 [2018-11-18 14:22:53,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:22:53,705 INFO L225 Difference]: With dead ends: 4602 [2018-11-18 14:22:53,705 INFO L226 Difference]: Without dead ends: 2717 [2018-11-18 14:22:53,710 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 230 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-11-18 14:22:53,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2717 states. [2018-11-18 14:22:53,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2717 to 2714. [2018-11-18 14:22:53,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2714 states. [2018-11-18 14:22:53,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3447 transitions. [2018-11-18 14:22:53,763 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3447 transitions. Word has length 222 [2018-11-18 14:22:53,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:22:53,763 INFO L480 AbstractCegarLoop]: Abstraction has 2714 states and 3447 transitions. [2018-11-18 14:22:53,763 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 14:22:53,763 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3447 transitions. [2018-11-18 14:22:53,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-11-18 14:22:53,770 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:22:53,771 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:22:53,771 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:22:53,771 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:22:53,771 INFO L82 PathProgramCache]: Analyzing trace with hash 679256940, now seen corresponding path program 1 times [2018-11-18 14:22:53,771 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:22:53,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:53,772 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:22:53,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:53,772 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:22:53,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:22:53,878 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 92 proven. 46 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 14:22:53,878 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:22:53,878 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:22:53,878 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 232 with the following transitions: [2018-11-18 14:22:53,878 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [73], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [705], [713], [721], [729], [737], [741], [743], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 14:22:53,881 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:22:53,881 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:22:54,164 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 14:22:54,164 INFO L272 AbstractInterpreter]: Visited 145 different actions 582 times. Merged at 9 different actions 38 times. Widened at 1 different actions 1 times. Performed 7924 root evaluator evaluations with a maximum evaluation depth of 3. Performed 7924 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-18 14:22:54,167 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:22:54,168 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 14:22:54,168 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:22:54,168 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5b81e191-eecc-45fc-abaf-9aa07e467b42/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 14:22:54,175 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:22:54,175 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 14:22:54,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:22:54,251 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:22:54,365 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 110 proven. 2 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-18 14:22:54,365 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 14:22:54,486 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 98 proven. 38 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 14:22:54,511 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 14:22:54,511 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-11-18 14:22:54,512 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 14:22:54,512 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 14:22:54,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 14:22:54,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-11-18 14:22:54,513 INFO L87 Difference]: Start difference. First operand 2714 states and 3447 transitions. Second operand 11 states. [2018-11-18 14:22:55,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:22:55,910 INFO L93 Difference]: Finished difference Result 8959 states and 12309 transitions. [2018-11-18 14:22:55,911 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-18 14:22:55,911 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 231 [2018-11-18 14:22:55,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:22:55,925 INFO L225 Difference]: With dead ends: 8959 [2018-11-18 14:22:55,925 INFO L226 Difference]: Without dead ends: 6936 [2018-11-18 14:22:55,931 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 485 GetRequests, 465 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2018-11-18 14:22:55,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6936 states. [2018-11-18 14:22:56,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6936 to 6921. [2018-11-18 14:22:56,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6921 states. [2018-11-18 14:22:56,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6921 states to 6921 states and 8785 transitions. [2018-11-18 14:22:56,017 INFO L78 Accepts]: Start accepts. Automaton has 6921 states and 8785 transitions. Word has length 231 [2018-11-18 14:22:56,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:22:56,017 INFO L480 AbstractCegarLoop]: Abstraction has 6921 states and 8785 transitions. [2018-11-18 14:22:56,017 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 14:22:56,017 INFO L276 IsEmpty]: Start isEmpty. Operand 6921 states and 8785 transitions. [2018-11-18 14:22:56,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-11-18 14:22:56,028 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:22:56,028 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:22:56,028 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:22:56,028 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:22:56,028 INFO L82 PathProgramCache]: Analyzing trace with hash -1458725959, now seen corresponding path program 1 times [2018-11-18 14:22:56,028 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:22:56,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:56,029 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:22:56,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:56,029 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:22:56,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:22:56,129 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 118 proven. 71 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-18 14:22:56,129 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:22:56,129 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:22:56,129 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 256 with the following transitions: [2018-11-18 14:22:56,130 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [89], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [705], [713], [721], [729], [737], [741], [743], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 14:22:56,132 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:22:56,132 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:22:56,415 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 14:22:56,416 INFO L272 AbstractInterpreter]: Visited 146 different actions 592 times. Merged at 10 different actions 44 times. Widened at 1 different actions 1 times. Performed 8022 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8022 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 10 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-18 14:22:56,417 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:22:56,417 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 14:22:56,417 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:22:56,417 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5b81e191-eecc-45fc-abaf-9aa07e467b42/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 14:22:56,422 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:22:56,422 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 14:22:56,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:22:56,489 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:22:56,553 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 142 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-11-18 14:22:56,553 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 14:22:56,606 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 124 proven. 20 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-11-18 14:22:56,621 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 14:22:56,622 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2018-11-18 14:22:56,622 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 14:22:56,622 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-18 14:22:56,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-18 14:22:56,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2018-11-18 14:22:56,623 INFO L87 Difference]: Start difference. First operand 6921 states and 8785 transitions. Second operand 12 states. [2018-11-18 14:22:58,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:22:58,696 INFO L93 Difference]: Finished difference Result 16531 states and 22289 transitions. [2018-11-18 14:22:58,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-11-18 14:22:58,697 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 255 [2018-11-18 14:22:58,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:22:58,725 INFO L225 Difference]: With dead ends: 16531 [2018-11-18 14:22:58,725 INFO L226 Difference]: Without dead ends: 9890 [2018-11-18 14:22:58,738 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 577 GetRequests, 535 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 449 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=411, Invalid=1395, Unknown=0, NotChecked=0, Total=1806 [2018-11-18 14:22:58,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9890 states. [2018-11-18 14:22:58,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9890 to 9628. [2018-11-18 14:22:58,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9628 states. [2018-11-18 14:22:58,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9628 states to 9628 states and 12327 transitions. [2018-11-18 14:22:58,876 INFO L78 Accepts]: Start accepts. Automaton has 9628 states and 12327 transitions. Word has length 255 [2018-11-18 14:22:58,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:22:58,876 INFO L480 AbstractCegarLoop]: Abstraction has 9628 states and 12327 transitions. [2018-11-18 14:22:58,876 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-18 14:22:58,876 INFO L276 IsEmpty]: Start isEmpty. Operand 9628 states and 12327 transitions. [2018-11-18 14:22:58,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-11-18 14:22:58,891 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:22:58,891 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:22:58,891 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:22:58,892 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:22:58,892 INFO L82 PathProgramCache]: Analyzing trace with hash 1683838344, now seen corresponding path program 1 times [2018-11-18 14:22:58,892 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:22:58,892 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:58,892 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:22:58,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:22:58,893 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:22:58,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:22:59,001 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 173 proven. 51 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 14:22:59,002 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:22:59,002 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:22:59,002 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 261 with the following transitions: [2018-11-18 14:22:59,002 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [89], [90], [94], [98], [102], [105], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [705], [713], [721], [729], [737], [741], [743], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 14:22:59,004 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:22:59,004 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:22:59,274 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 14:22:59,275 INFO L272 AbstractInterpreter]: Visited 145 different actions 580 times. Merged at 9 different actions 36 times. Widened at 1 different actions 1 times. Performed 7994 root evaluator evaluations with a maximum evaluation depth of 3. Performed 7994 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 7 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-18 14:22:59,285 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:22:59,285 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 14:22:59,285 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:22:59,285 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5b81e191-eecc-45fc-abaf-9aa07e467b42/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 14:22:59,294 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:22:59,295 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 14:22:59,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:22:59,353 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:22:59,398 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 162 proven. 25 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-18 14:22:59,398 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 14:22:59,517 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 185 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-18 14:22:59,533 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 14:22:59,533 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 4, 4] total 12 [2018-11-18 14:22:59,533 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 14:22:59,534 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 14:22:59,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 14:22:59,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2018-11-18 14:22:59,535 INFO L87 Difference]: Start difference. First operand 9628 states and 12327 transitions. Second operand 11 states. [2018-11-18 14:23:01,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:23:01,284 INFO L93 Difference]: Finished difference Result 21805 states and 30047 transitions. [2018-11-18 14:23:01,284 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-11-18 14:23:01,284 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 260 [2018-11-18 14:23:01,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:23:01,321 INFO L225 Difference]: With dead ends: 21805 [2018-11-18 14:23:01,321 INFO L226 Difference]: Without dead ends: 12735 [2018-11-18 14:23:01,343 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 583 GetRequests, 540 SyntacticMatches, 3 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 477 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=331, Invalid=1391, Unknown=0, NotChecked=0, Total=1722 [2018-11-18 14:23:01,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12735 states. [2018-11-18 14:23:01,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12735 to 11399. [2018-11-18 14:23:01,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11399 states. [2018-11-18 14:23:01,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11399 states to 11399 states and 13894 transitions. [2018-11-18 14:23:01,504 INFO L78 Accepts]: Start accepts. Automaton has 11399 states and 13894 transitions. Word has length 260 [2018-11-18 14:23:01,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:23:01,504 INFO L480 AbstractCegarLoop]: Abstraction has 11399 states and 13894 transitions. [2018-11-18 14:23:01,504 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 14:23:01,504 INFO L276 IsEmpty]: Start isEmpty. Operand 11399 states and 13894 transitions. [2018-11-18 14:23:01,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-11-18 14:23:01,522 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:23:01,522 INFO L375 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:23:01,523 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:23:01,523 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:23:01,523 INFO L82 PathProgramCache]: Analyzing trace with hash 1682387255, now seen corresponding path program 1 times [2018-11-18 14:23:01,523 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:23:01,523 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:23:01,524 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:23:01,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:23:01,524 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:23:01,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:23:01,677 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 299 proven. 18 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2018-11-18 14:23:01,677 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:23:01,677 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:23:01,677 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 332 with the following transitions: [2018-11-18 14:23:01,677 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [45], [46], [49], [50], [54], [58], [62], [66], [70], [73], [74], [78], [82], [86], [89], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [129], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [705], [713], [721], [729], [737], [741], [743], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 14:23:01,679 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:23:01,680 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:23:02,047 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 14:23:02,048 INFO L272 AbstractInterpreter]: Visited 148 different actions 598 times. Merged at 11 different actions 42 times. Widened at 1 different actions 1 times. Performed 8305 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8305 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 12 fixpoints after 5 different actions. Largest state had 42 variables. [2018-11-18 14:23:02,053 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:23:02,053 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 14:23:02,054 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:23:02,054 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5b81e191-eecc-45fc-abaf-9aa07e467b42/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 14:23:02,065 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:23:02,065 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 14:23:02,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:23:02,150 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:23:02,238 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 387 proven. 2 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2018-11-18 14:23:02,238 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 14:23:02,438 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 299 proven. 18 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2018-11-18 14:23:02,455 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 14:23:02,455 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 12 [2018-11-18 14:23:02,455 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 14:23:02,456 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 14:23:02,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 14:23:02,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2018-11-18 14:23:02,456 INFO L87 Difference]: Start difference. First operand 11399 states and 13894 transitions. Second operand 9 states. [2018-11-18 14:23:03,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:23:03,481 INFO L93 Difference]: Finished difference Result 22130 states and 27607 transitions. [2018-11-18 14:23:03,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-18 14:23:03,482 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 331 [2018-11-18 14:23:03,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:23:03,482 INFO L225 Difference]: With dead ends: 22130 [2018-11-18 14:23:03,482 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 14:23:03,516 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 687 GetRequests, 666 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=132, Invalid=374, Unknown=0, NotChecked=0, Total=506 [2018-11-18 14:23:03,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 14:23:03,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 14:23:03,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 14:23:03,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 14:23:03,517 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 331 [2018-11-18 14:23:03,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:23:03,517 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 14:23:03,517 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 14:23:03,517 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 14:23:03,517 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 14:23:03,521 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 14:23:03,790 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:03,791 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:03,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:03,793 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:03,793 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:03,794 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:03,795 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:03,803 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:03,815 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:03,816 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:03,823 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:03,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:03,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:03,840 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:03,841 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:03,841 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:03,842 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:03,856 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:03,857 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:03,857 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:03,858 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:03,859 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:03,880 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:03,881 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:03,881 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:03,883 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:03,884 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:03,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:03,889 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:03,924 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:03,950 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:03,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,072 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,073 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,080 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,080 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,097 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,131 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,138 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,139 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,141 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,143 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,145 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,147 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,155 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,162 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,163 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,164 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,166 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,178 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,179 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,182 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,183 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,188 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,199 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,203 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,207 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,214 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,217 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,219 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,220 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,228 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,235 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,255 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,259 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,261 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,265 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,269 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,272 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,283 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,293 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,300 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,310 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,313 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,319 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,321 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,327 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,336 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,343 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,368 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,372 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,393 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,397 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,405 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,407 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,411 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,418 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,420 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,426 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,430 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,439 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,450 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,454 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,464 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,469 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,475 WARN L180 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 639 DAG size of output: 216 [2018-11-18 14:23:04,490 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,490 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,492 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,493 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,493 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,505 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,516 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,520 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,523 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,532 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,533 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,533 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,534 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,534 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,544 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,546 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,546 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,563 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,566 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,570 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,599 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,620 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,725 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,732 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,732 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,733 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,759 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,760 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,761 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,764 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,767 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,769 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,771 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,772 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,777 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,778 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,779 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,782 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,783 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,784 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,786 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,789 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,796 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,797 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,801 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,807 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,813 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,842 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,845 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,849 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,851 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,852 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,854 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,862 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,870 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,878 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,889 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,894 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,904 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,906 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,917 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,925 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,944 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,947 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,950 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,952 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,958 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,972 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:04,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:05,001 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:05,006 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:05,009 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:05,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:05,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:05,030 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:05,035 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:05,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:05,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:05,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:05,048 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:05,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:05,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:05,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:05,062 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:05,066 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:05,068 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:05,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:05,080 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:05,089 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:05,093 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:23:05,097 WARN L180 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 630 DAG size of output: 212 [2018-11-18 14:23:06,392 WARN L180 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 272 DAG size of output: 104 [2018-11-18 14:23:06,920 WARN L180 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 68 [2018-11-18 14:23:07,409 WARN L180 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 68 [2018-11-18 14:23:07,411 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 14:23:07,411 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= |old(~a20~0)| ~a20~0) (= ~a17~0 |old(~a17~0)|) (<= |old(~a8~0)| ~a8~0) (= |old(~a16~0)| ~a16~0) (= ~a21~0 |old(~a21~0)|)) [2018-11-18 14:23:07,411 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 14:23:07,411 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-18 14:23:07,411 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-18 14:23:07,411 INFO L425 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:23:07,411 INFO L425 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:23:07,411 INFO L425 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:23:07,412 INFO L425 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:23:07,412 INFO L425 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:23:07,412 INFO L425 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:23:07,412 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-18 14:23:07,412 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-18 14:23:07,412 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-18 14:23:07,412 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-18 14:23:07,412 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-18 14:23:07,412 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-18 14:23:07,412 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-18 14:23:07,412 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-18 14:23:07,412 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-18 14:23:07,412 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-18 14:23:07,412 INFO L425 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:23:07,413 INFO L425 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:23:07,413 INFO L425 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:23:07,413 INFO L425 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:23:07,413 INFO L425 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:23:07,413 INFO L425 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:23:07,413 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-18 14:23:07,413 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-18 14:23:07,413 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-18 14:23:07,413 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-18 14:23:07,413 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-18 14:23:07,413 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-18 14:23:07,413 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-18 14:23:07,413 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-18 14:23:07,413 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-18 14:23:07,413 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-18 14:23:07,413 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-18 14:23:07,413 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-18 14:23:07,413 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-18 14:23:07,413 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-18 14:23:07,413 INFO L425 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-11-18 14:23:07,413 INFO L425 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:23:07,413 INFO L425 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:23:07,413 INFO L425 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:23:07,413 INFO L425 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:23:07,414 INFO L425 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:23:07,414 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-18 14:23:07,414 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-18 14:23:07,414 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-18 14:23:07,414 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-18 14:23:07,414 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-18 14:23:07,414 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-18 14:23:07,414 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-18 14:23:07,414 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-18 14:23:07,414 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 569) no Hoare annotation was computed. [2018-11-18 14:23:07,414 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-18 14:23:07,414 INFO L425 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:23:07,414 INFO L425 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:23:07,414 INFO L425 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:23:07,414 INFO L425 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:23:07,414 INFO L425 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:23:07,414 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-18 14:23:07,414 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-18 14:23:07,414 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-18 14:23:07,414 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-18 14:23:07,414 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-18 14:23:07,414 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-18 14:23:07,414 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-18 14:23:07,415 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-18 14:23:07,415 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-18 14:23:07,415 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-18 14:23:07,415 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-18 14:23:07,415 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-18 14:23:07,415 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-18 14:23:07,415 INFO L425 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:23:07,415 INFO L425 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:23:07,415 INFO L425 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:23:07,415 INFO L425 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:23:07,415 INFO L425 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:23:07,415 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-18 14:23:07,415 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-18 14:23:07,415 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-18 14:23:07,415 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-18 14:23:07,415 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-18 14:23:07,415 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-18 14:23:07,415 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-18 14:23:07,415 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-18 14:23:07,415 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-18 14:23:07,415 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:23:07,415 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:23:07,415 INFO L425 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:23:07,415 INFO L425 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:23:07,415 INFO L425 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:23:07,416 INFO L425 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:23:07,416 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-18 14:23:07,416 INFO L425 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:23:07,416 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-18 14:23:07,416 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-18 14:23:07,416 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-18 14:23:07,416 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-18 14:23:07,416 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-18 14:23:07,416 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-18 14:23:07,416 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-18 14:23:07,416 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-18 14:23:07,416 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-18 14:23:07,416 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-18 14:23:07,416 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-18 14:23:07,416 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-18 14:23:07,417 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-18 14:23:07,417 INFO L425 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:23:07,417 INFO L425 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:23:07,417 INFO L425 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:23:07,417 INFO L425 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:23:07,417 INFO L425 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:23:07,417 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-18 14:23:07,417 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-18 14:23:07,417 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-18 14:23:07,417 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-18 14:23:07,417 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-18 14:23:07,417 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-18 14:23:07,417 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-18 14:23:07,417 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-18 14:23:07,418 INFO L425 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:23:07,418 INFO L425 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:23:07,418 INFO L425 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:23:07,418 INFO L425 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:23:07,418 INFO L425 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:23:07,418 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-18 14:23:07,418 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-18 14:23:07,418 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-18 14:23:07,418 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-18 14:23:07,418 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-18 14:23:07,418 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-18 14:23:07,418 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-18 14:23:07,418 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-18 14:23:07,418 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-18 14:23:07,418 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-18 14:23:07,419 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse14 (= 4 |old(~a16~0)|)) (.cse28 (= ~a21~0 |old(~a21~0)|)) (.cse26 (= |old(~a20~0)| ~a20~0)) (.cse25 (= ~a7~0 |old(~a7~0)|)) (.cse27 (= ~a17~0 |old(~a17~0)|)) (.cse29 (= ~a16~0 |old(~a16~0)|)) (.cse24 (<= |old(~a8~0)| ~a8~0)) (.cse23 (= 1 ~a21~0))) (let ((.cse16 (< |old(~a20~0)| 1)) (.cse9 (not (= 0 |old(~a7~0)|))) (.cse8 (= |calculate_output_#in~input| 0)) (.cse13 (= ~a8~0 15)) (.cse10 (not (= 15 |old(~a8~0)|))) (.cse5 (and .cse26 .cse25 .cse27 .cse29 .cse24 .cse23)) (.cse7 (< 0 |old(~a20~0)|)) (.cse6 (= 6 |old(~a16~0)|)) (.cse15 (and .cse26 .cse28 .cse25 .cse27 .cse29 .cse24)) (.cse18 (not (= 1 |old(~a20~0)|))) (.cse2 (not .cse14)) (.cse0 (not (= 1 |old(~a21~0)|))) (.cse1 (= 1 |old(~a7~0)|)) (.cse11 (not (= 5 |old(~a16~0)|))) (.cse19 (and .cse26 .cse25 .cse27 .cse24 .cse23 (= 5 ~a16~0))) (.cse20 (< |old(~a8~0)| 15)) (.cse12 (not (= 1 |old(~a17~0)|))) (.cse21 (not (= |old(~a20~0)| 1))) (.cse3 (not (= 8 ~a12~0))) (.cse4 (< 0 |old(~a17~0)|)) (.cse17 (< 0 |old(~a21~0)|)) (.cse22 (= |old(~a16~0)| ~a16~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse3 .cse5 .cse4 .cse7) (or .cse8 (or .cse9 .cse0 .cse10 (not (= 0 |old(~a20~0)|)) .cse11 .cse3 .cse12) .cse13) (or .cse14 .cse15 .cse3 .cse16 .cse4 .cse17) (or .cse0 .cse1 .cse18 .cse3 .cse5 .cse12) (or .cse9 .cse0 .cse3 .cse8 .cse12 .cse13 .cse18 .cse10 .cse11) (or .cse0 .cse11 .cse3 .cse4 .cse19) (or .cse0 .cse1 .cse5 .cse3 .cse4 .cse20) (or (and (or .cse8 (or (not .cse6) .cse9 .cse0 .cse18 .cse10 (not (= 0 |old(~a17~0)|)) .cse3)) (or .cse9 .cse0 .cse10 .cse11 .cse21 .cse3 .cse4 .cse8)) .cse13) (or .cse0 .cse1 .cse2 .cse5 .cse3 .cse16 .cse12) (or .cse9 .cse0 .cse2 .cse3 .cse4 .cse8 .cse13 .cse18 .cse10) (or .cse0 .cse1 .cse5 .cse3 .cse20 .cse7 .cse12) (or .cse6 .cse15 .cse3 .cse17 .cse12) (or .cse0 .cse18 .cse2 (and (= 1 ~a7~0) (= 1 ~a20~0) (= 13 ~a8~0) .cse22 .cse23 (= 1 ~a17~0)) .cse3 (not .cse1) (not (= 13 |old(~a8~0)|)) .cse12) (or .cse0 .cse1 .cse11 .cse3 .cse19 .cse20 .cse12) (or (or .cse21 .cse3 .cse4 .cse17) (and .cse24 (and .cse25 .cse26 .cse27 .cse22) .cse28))))) [2018-11-18 14:23:07,419 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-18 14:23:07,419 INFO L425 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:23:07,419 INFO L425 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:23:07,419 INFO L425 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:23:07,419 INFO L425 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:23:07,419 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-18 14:23:07,419 INFO L425 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:23:07,419 INFO L425 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:23:07,420 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-18 14:23:07,420 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-18 14:23:07,420 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-18 14:23:07,420 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-18 14:23:07,420 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-18 14:23:07,420 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-18 14:23:07,420 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-18 14:23:07,420 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-18 14:23:07,420 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-18 14:23:07,420 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-18 14:23:07,420 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-18 14:23:07,420 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-18 14:23:07,420 INFO L425 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:23:07,420 INFO L425 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:23:07,421 INFO L425 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:23:07,421 INFO L425 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:23:07,421 INFO L425 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:23:07,421 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-18 14:23:07,421 INFO L425 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:23:07,421 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-18 14:23:07,421 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-18 14:23:07,421 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-18 14:23:07,421 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-18 14:23:07,421 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-18 14:23:07,421 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-18 14:23:07,421 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-18 14:23:07,421 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-18 14:23:07,421 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-18 14:23:07,422 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-18 14:23:07,422 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-18 14:23:07,422 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-18 14:23:07,422 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-18 14:23:07,422 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-18 14:23:07,422 INFO L425 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:23:07,422 INFO L425 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:23:07,422 INFO L425 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:23:07,422 INFO L425 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:23:07,422 INFO L425 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:23:07,422 INFO L425 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 14:23:07,422 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-18 14:23:07,422 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-18 14:23:07,422 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-18 14:23:07,422 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-18 14:23:07,423 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-18 14:23:07,423 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-18 14:23:07,423 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-18 14:23:07,423 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-18 14:23:07,423 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-18 14:23:07,423 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-18 14:23:07,423 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 14:23:07,423 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a7~0 0) (= ~a8~0 15) (= 1 ~a21~0) (= ~a12~0 8) (= ~a20~0 1) (= 1 ~a17~0) (= ~a16~0 5)) [2018-11-18 14:23:07,423 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 14:23:07,423 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 14:23:07,423 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (not (= 15 |old(~a8~0)|)) (not (= 5 |old(~a16~0)|)) (not (= 8 ~a12~0)) (and (= ~a8~0 15) (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= 1 ~a21~0) (= ~a20~0 1) (= ~a16~0 5)) (not (= 1 |old(~a17~0)|))) [2018-11-18 14:23:07,423 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-18 14:23:07,424 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (not (= ~a16~0 6))) (.cse3 (<= ~a20~0 0)) (.cse10 (= |old(~a20~0)| ~a20~0)) (.cse11 (= ~a16~0 4)) (.cse9 (= 4 ~a16~0)) (.cse7 (<= ~a21~0 0)) (.cse2 (<= ~a17~0 0)) (.cse12 (<= 1 ~a20~0)) (.cse5 (<= 15 ~a8~0)) (.cse1 (= 1 ~a21~0)) (.cse4 (not (= ~a7~0 1))) (.cse6 (= 5 ~a16~0)) (.cse8 (= 1 ~a17~0))) (or (not (= 1 |old(~a21~0)|)) (and .cse0 .cse1 .cse2 .cse3) (not (= 8 ~a12~0)) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and .cse4 .cse5 .cse1 .cse2) (and .cse2 .cse1 .cse6) (and .cse7 .cse0 .cse8) (and (= 1 ~a20~0) (= 13 ~a8~0) .cse9 .cse1 .cse8) (and .cse4 .cse10 .cse1 .cse8) (and .cse4 .cse5 .cse1 .cse3 .cse8) (and .cse4 (= ~a17~0 |old(~a17~0)|) .cse11 .cse1 .cse12) (not (= 0 |old(~a7~0)|)) (and .cse7 .cse10 .cse2) (and .cse4 .cse11 .cse1 .cse2) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)) (and (not .cse9) .cse7 .cse2 .cse12) (and .cse5 .cse1 (and .cse4 .cse6 .cse8)))) [2018-11-18 14:23:07,424 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-18 14:23:07,424 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-18 14:23:07,424 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-11-18 14:23:07,424 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse0 (not (= ~a16~0 6))) (.cse3 (<= ~a20~0 0)) (.cse10 (= |old(~a20~0)| ~a20~0)) (.cse11 (= ~a16~0 4)) (.cse9 (= 4 ~a16~0)) (.cse7 (<= ~a21~0 0)) (.cse2 (<= ~a17~0 0)) (.cse12 (<= 1 ~a20~0)) (.cse5 (<= 15 ~a8~0)) (.cse1 (= 1 ~a21~0)) (.cse4 (not (= ~a7~0 1))) (.cse6 (= 5 ~a16~0)) (.cse8 (= 1 ~a17~0))) (or (not (= 1 |old(~a21~0)|)) (and .cse0 .cse1 .cse2 .cse3) (not (= 8 ~a12~0)) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and .cse4 .cse5 .cse1 .cse2) (and .cse2 .cse1 .cse6) (and .cse7 .cse0 .cse8) (and (= 1 ~a20~0) (= 13 ~a8~0) .cse9 .cse1 .cse8) (and .cse4 .cse10 .cse1 .cse8) (and .cse4 .cse5 .cse1 .cse3 .cse8) (and .cse4 (= ~a17~0 |old(~a17~0)|) .cse11 .cse1 .cse12) (not (= 0 |old(~a7~0)|)) (and .cse7 .cse10 .cse2) (and .cse4 .cse11 .cse1 .cse2) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)) (and (not .cse9) .cse7 .cse2 .cse12) (and .cse5 .cse1 (and .cse4 .cse6 .cse8)))) [2018-11-18 14:23:07,424 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-11-18 14:23:07,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 02:23:07 BoogieIcfgContainer [2018-11-18 14:23:07,434 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 14:23:07,434 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 14:23:07,434 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 14:23:07,435 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 14:23:07,435 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:22:39" (3/4) ... [2018-11-18 14:23:07,438 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 14:23:07,443 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 14:23:07,443 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 14:23:07,443 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 14:23:07,453 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 14:23:07,453 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 14:23:07,476 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((!(1 == \old(a21)) || (((!(a16 == 6) && 1 == a21) && a17 <= 0) && a20 <= 0)) || !(8 == a12)) || !(1 == \old(a20))) || !(5 == \old(a16))) || (((!(a7 == 1) && 15 <= a8) && 1 == a21) && a17 <= 0)) || ((a17 <= 0 && 1 == a21) && 5 == a16)) || ((a21 <= 0 && !(a16 == 6)) && 1 == a17)) || ((((1 == a20 && 13 == a8) && 4 == a16) && 1 == a21) && 1 == a17)) || (((!(a7 == 1) && \old(a20) == a20) && 1 == a21) && 1 == a17)) || ((((!(a7 == 1) && 15 <= a8) && 1 == a21) && a20 <= 0) && 1 == a17)) || ((((!(a7 == 1) && a17 == \old(a17)) && a16 == 4) && 1 == a21) && 1 <= a20)) || !(0 == \old(a7))) || ((a21 <= 0 && \old(a20) == a20) && a17 <= 0)) || (((!(a7 == 1) && a16 == 4) && 1 == a21) && a17 <= 0)) || !(1 == \old(a17))) || !(15 == \old(a8))) || (((!(4 == a16) && a21 <= 0) && a17 <= 0) && 1 <= a20)) || ((15 <= a8 && 1 == a21) && (!(a7 == 1) && 5 == a16) && 1 == a17) [2018-11-18 14:23:07,544 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5b81e191-eecc-45fc-abaf-9aa07e467b42/bin-2019/utaipan/witness.graphml [2018-11-18 14:23:07,544 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 14:23:07,545 INFO L168 Benchmark]: Toolchain (without parser) took 29719.49 ms. Allocated memory was 1.0 GB in the beginning and 2.8 GB in the end (delta: 1.7 GB). Free memory was 951.6 MB in the beginning and 1.8 GB in the end (delta: -879.1 MB). Peak memory consumption was 843.2 MB. Max. memory is 11.5 GB. [2018-11-18 14:23:07,545 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:23:07,545 INFO L168 Benchmark]: CACSL2BoogieTranslator took 363.90 ms. Allocated memory is still 1.0 GB. Free memory was 951.6 MB in the beginning and 916.7 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-18 14:23:07,545 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.95 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 916.7 MB in the beginning and 1.1 GB in the end (delta: -187.8 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2018-11-18 14:23:07,546 INFO L168 Benchmark]: Boogie Preprocessor took 51.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 14:23:07,546 INFO L168 Benchmark]: RCFGBuilder took 707.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 997.9 MB in the end (delta: 101.2 MB). Peak memory consumption was 101.2 MB. Max. memory is 11.5 GB. [2018-11-18 14:23:07,546 INFO L168 Benchmark]: TraceAbstraction took 28404.97 ms. Allocated memory was 1.1 GB in the beginning and 2.8 GB in the end (delta: 1.6 GB). Free memory was 997.9 MB in the beginning and 1.9 GB in the end (delta: -869.3 MB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. [2018-11-18 14:23:07,546 INFO L168 Benchmark]: Witness Printer took 109.71 ms. Allocated memory is still 2.8 GB. Free memory was 1.9 GB in the beginning and 1.8 GB in the end (delta: 36.5 MB). Peak memory consumption was 36.5 MB. Max. memory is 11.5 GB. [2018-11-18 14:23:07,548 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 363.90 ms. Allocated memory is still 1.0 GB. Free memory was 951.6 MB in the beginning and 916.7 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 78.95 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 916.7 MB in the beginning and 1.1 GB in the end (delta: -187.8 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 707.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 997.9 MB in the end (delta: 101.2 MB). Peak memory consumption was 101.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 28404.97 ms. Allocated memory was 1.1 GB in the beginning and 2.8 GB in the end (delta: 1.6 GB). Free memory was 997.9 MB in the beginning and 1.9 GB in the end (delta: -869.3 MB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. * Witness Printer took 109.71 ms. Allocated memory is still 2.8 GB. Free memory was 1.9 GB in the beginning and 1.8 GB in the end (delta: 36.5 MB). Peak memory consumption was 36.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 569]: 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: 583]: Loop Invariant Derived loop invariant: (((((((((((((((((!(1 == \old(a21)) || (((!(a16 == 6) && 1 == a21) && a17 <= 0) && a20 <= 0)) || !(8 == a12)) || !(1 == \old(a20))) || !(5 == \old(a16))) || (((!(a7 == 1) && 15 <= a8) && 1 == a21) && a17 <= 0)) || ((a17 <= 0 && 1 == a21) && 5 == a16)) || ((a21 <= 0 && !(a16 == 6)) && 1 == a17)) || ((((1 == a20 && 13 == a8) && 4 == a16) && 1 == a21) && 1 == a17)) || (((!(a7 == 1) && \old(a20) == a20) && 1 == a21) && 1 == a17)) || ((((!(a7 == 1) && 15 <= a8) && 1 == a21) && a20 <= 0) && 1 == a17)) || ((((!(a7 == 1) && a17 == \old(a17)) && a16 == 4) && 1 == a21) && 1 <= a20)) || !(0 == \old(a7))) || ((a21 <= 0 && \old(a20) == a20) && a17 <= 0)) || (((!(a7 == 1) && a16 == 4) && 1 == a21) && a17 <= 0)) || !(1 == \old(a17))) || !(15 == \old(a8))) || (((!(4 == a16) && a21 <= 0) && a17 <= 0) && 1 <= a20)) || ((15 <= a8 && 1 == a21) && (!(a7 == 1) && 5 == a16) && 1 == a17) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 28.3s OverallTime, 12 OverallIterations, 8 TraceHistogramMax, 17.6s AutomataDifference, 0.0s DeadEndRemovalTime, 3.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 1501 SDtfs, 11972 SDslu, 2848 SDs, 0 SdLazy, 16392 SolverSat, 2749 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.4s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 3011 GetRequests, 2827 SyntacticMatches, 12 SemanticMatches, 172 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1122 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11399occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.1s AbstIntTime, 7 AbstIntIterations, 3 AbstIntStrong, 0.9973120536923665 AbsIntWeakeningRatio, 0.2054140127388535 AbsIntAvgWeakeningVarsNumRemoved, 29.272292993630572 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 12 MinimizatonAttempts, 1645 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 570 PreInvPairs, 998 NumberOfFragments, 1144 HoareAnnotationTreeSize, 570 FomulaSimplifications, 73653 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 13663 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 3549 NumberOfCodeBlocks, 3549 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 4606 ConstructedInterpolants, 0 QuantifiedInterpolants, 2307232 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2838 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 20 InterpolantComputations, 5 PerfectInterpolantSequences, 3957/4323 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...