./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label07_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_93cf48a3-356d-40c1-98fd-046d0710ec82/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_93cf48a3-356d-40c1-98fd-046d0710ec82/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_93cf48a3-356d-40c1-98fd-046d0710ec82/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_93cf48a3-356d-40c1-98fd-046d0710ec82/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label07_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_93cf48a3-356d-40c1-98fd-046d0710ec82/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_93cf48a3-356d-40c1-98fd-046d0710ec82/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 1ca819190f643deb29414a088c4aa6e4cb582023 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 12:44:34,087 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:44:34,088 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:44:34,096 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:44:34,096 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:44:34,097 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:44:34,097 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:44:34,098 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:44:34,100 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:44:34,100 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:44:34,101 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:44:34,101 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:44:34,102 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:44:34,102 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:44:34,103 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:44:34,103 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:44:34,104 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:44:34,105 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:44:34,107 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:44:34,108 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:44:34,108 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:44:34,109 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:44:34,111 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:44:34,111 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:44:34,111 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:44:34,112 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:44:34,112 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:44:34,113 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:44:34,113 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:44:34,114 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:44:34,114 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:44:34,115 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:44:34,115 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:44:34,115 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:44:34,116 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:44:34,116 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:44:34,116 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_93cf48a3-356d-40c1-98fd-046d0710ec82/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 12:44:34,126 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:44:34,127 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:44:34,127 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:44:34,127 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 12:44:34,128 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 12:44:34,128 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 12:44:34,128 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 12:44:34,128 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 12:44:34,128 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 12:44:34,128 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 12:44:34,128 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 12:44:34,129 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 12:44:34,129 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 12:44:34,129 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:44:34,129 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:44:34,130 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:44:34,130 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:44:34,130 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:44:34,130 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:44:34,130 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:44:34,130 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:44:34,130 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:44:34,131 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:44:34,131 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:44:34,131 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:44:34,131 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:44:34,131 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:44:34,131 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:44:34,131 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 12:44:34,132 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:44:34,132 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:44:34,132 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:44:34,132 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:44:34,132 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 12:44:34,132 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:44:34,132 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:44:34,133 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 12:44:34,133 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_93cf48a3-356d-40c1-98fd-046d0710ec82/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 -> 1ca819190f643deb29414a088c4aa6e4cb582023 [2018-11-18 12:44:34,156 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:44:34,164 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:44:34,166 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:44:34,167 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:44:34,167 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:44:34,168 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_93cf48a3-356d-40c1-98fd-046d0710ec82/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem01_label07_true-unreach-call_false-termination.c [2018-11-18 12:44:34,204 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_93cf48a3-356d-40c1-98fd-046d0710ec82/bin-2019/utaipan/data/6e079b628/8e840e1fcb6948b2a010cda0d2a849ab/FLAGf6539b6d9 [2018-11-18 12:44:34,657 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:44:34,658 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_93cf48a3-356d-40c1-98fd-046d0710ec82/sv-benchmarks/c/eca-rers2012/Problem01_label07_true-unreach-call_false-termination.c [2018-11-18 12:44:34,667 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_93cf48a3-356d-40c1-98fd-046d0710ec82/bin-2019/utaipan/data/6e079b628/8e840e1fcb6948b2a010cda0d2a849ab/FLAGf6539b6d9 [2018-11-18 12:44:34,679 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_93cf48a3-356d-40c1-98fd-046d0710ec82/bin-2019/utaipan/data/6e079b628/8e840e1fcb6948b2a010cda0d2a849ab [2018-11-18 12:44:34,681 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:44:34,682 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:44:34,682 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:44:34,682 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:44:34,685 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:44:34,685 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:44:34" (1/1) ... [2018-11-18 12:44:34,687 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3275144b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:44:34, skipping insertion in model container [2018-11-18 12:44:34,687 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:44:34" (1/1) ... [2018-11-18 12:44:34,693 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:44:34,727 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:44:34,968 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:44:34,972 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:44:35,037 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:44:35,047 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:44:35,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:44:35 WrapperNode [2018-11-18 12:44:35,047 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:44:35,048 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:44:35,048 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:44:35,048 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:44:35,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:44:35" (1/1) ... [2018-11-18 12:44:35,120 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:44:35" (1/1) ... [2018-11-18 12:44:35,127 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:44:35,127 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:44:35,127 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:44:35,127 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:44:35,133 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:44:35" (1/1) ... [2018-11-18 12:44:35,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:44:35" (1/1) ... [2018-11-18 12:44:35,137 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:44:35" (1/1) ... [2018-11-18 12:44:35,137 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:44:35" (1/1) ... [2018-11-18 12:44:35,160 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:44:35" (1/1) ... [2018-11-18 12:44:35,169 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:44:35" (1/1) ... [2018-11-18 12:44:35,172 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:44:35" (1/1) ... [2018-11-18 12:44:35,177 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:44:35,178 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:44:35,178 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:44:35,178 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:44:35,179 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:44:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_93cf48a3-356d-40c1-98fd-046d0710ec82/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:44:35,219 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 12:44:35,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 12:44:35,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 12:44:35,220 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 12:44:35,220 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 12:44:35,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:44:35,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:44:35,220 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 12:44:35,220 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 12:44:36,021 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:44:36,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:44:36 BoogieIcfgContainer [2018-11-18 12:44:36,022 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:44:36,022 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 12:44:36,022 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 12:44:36,024 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 12:44:36,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 12:44:34" (1/3) ... [2018-11-18 12:44:36,025 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eb2e97c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:44:36, skipping insertion in model container [2018-11-18 12:44:36,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:44:35" (2/3) ... [2018-11-18 12:44:36,025 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eb2e97c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:44:36, skipping insertion in model container [2018-11-18 12:44:36,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:44:36" (3/3) ... [2018-11-18 12:44:36,026 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label07_true-unreach-call_false-termination.c [2018-11-18 12:44:36,033 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 12:44:36,037 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 12:44:36,047 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 12:44:36,068 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 12:44:36,068 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 12:44:36,068 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 12:44:36,068 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:44:36,068 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:44:36,068 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 12:44:36,069 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:44:36,069 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 12:44:36,084 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-11-18 12:44:36,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-18 12:44:36,092 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:44:36,092 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] [2018-11-18 12:44:36,094 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:44:36,097 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:44:36,098 INFO L82 PathProgramCache]: Analyzing trace with hash -175459411, now seen corresponding path program 1 times [2018-11-18 12:44:36,099 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:44:36,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:44:36,128 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:44:36,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:44:36,129 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:44:36,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:44:36,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:44:36,378 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:44:36,378 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:44:36,378 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:44:36,382 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:44:36,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:44:36,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:44:36,393 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-11-18 12:44:36,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:44:36,937 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-11-18 12:44:36,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:44:36,938 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 111 [2018-11-18 12:44:36,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:44:36,947 INFO L225 Difference]: With dead ends: 550 [2018-11-18 12:44:36,947 INFO L226 Difference]: Without dead ends: 340 [2018-11-18 12:44:36,951 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 12:44:36,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-11-18 12:44:36,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-11-18 12:44:37,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-11-18 12:44:37,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 553 transitions. [2018-11-18 12:44:37,003 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 553 transitions. Word has length 111 [2018-11-18 12:44:37,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:44:37,004 INFO L480 AbstractCegarLoop]: Abstraction has 340 states and 553 transitions. [2018-11-18 12:44:37,005 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:44:37,005 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 553 transitions. [2018-11-18 12:44:37,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-18 12:44:37,009 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:44:37,009 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] [2018-11-18 12:44:37,010 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:44:37,010 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:44:37,010 INFO L82 PathProgramCache]: Analyzing trace with hash -665844754, now seen corresponding path program 1 times [2018-11-18 12:44:37,010 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:44:37,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:44:37,011 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:44:37,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:44:37,012 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:44:37,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:44:37,094 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 12:44:37,095 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:44:37,095 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 12:44:37,095 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:44:37,096 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 12:44:37,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:44:37,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:44:37,097 INFO L87 Difference]: Start difference. First operand 340 states and 553 transitions. Second operand 6 states. [2018-11-18 12:44:37,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:44:37,714 INFO L93 Difference]: Finished difference Result 1075 states and 1835 transitions. [2018-11-18 12:44:37,714 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 12:44:37,715 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 122 [2018-11-18 12:44:37,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:44:37,719 INFO L225 Difference]: With dead ends: 1075 [2018-11-18 12:44:37,719 INFO L226 Difference]: Without dead ends: 741 [2018-11-18 12:44:37,721 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 12:44:37,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2018-11-18 12:44:37,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 724. [2018-11-18 12:44:37,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 724 states. [2018-11-18 12:44:37,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 1145 transitions. [2018-11-18 12:44:37,745 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 1145 transitions. Word has length 122 [2018-11-18 12:44:37,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:44:37,746 INFO L480 AbstractCegarLoop]: Abstraction has 724 states and 1145 transitions. [2018-11-18 12:44:37,746 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 12:44:37,746 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 1145 transitions. [2018-11-18 12:44:37,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-18 12:44:37,750 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:44:37,750 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-18 12:44:37,751 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:44:37,751 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:44:37,751 INFO L82 PathProgramCache]: Analyzing trace with hash 1859924383, now seen corresponding path program 1 times [2018-11-18 12:44:37,751 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:44:37,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:44:37,752 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:44:37,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:44:37,752 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:44:37,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:44:37,849 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 40 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:44:37,849 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:44:37,849 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:44:37,850 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 148 with the following transitions: [2018-11-18 12:44:37,852 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [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], [525], [527], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 12:44:37,889 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:44:37,889 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:44:38,420 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 12:44:38,421 INFO L272 AbstractInterpreter]: Visited 115 different actions 223 times. Merged at 4 different actions 4 times. Never widened. Performed 3106 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3106 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 12:44:38,434 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:44:38,434 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 12:44:38,670 INFO L227 lantSequenceWeakener]: Weakened 144 states. On average, predicates are now at 81.79% of their original sizes. [2018-11-18 12:44:38,671 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 12:44:38,721 INFO L415 sIntCurrentIteration]: We unified 146 AI predicates to 146 [2018-11-18 12:44:38,722 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 12:44:38,722 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 12:44:38,722 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-18 12:44:38,723 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:44:38,723 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 12:44:38,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 12:44:38,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 12:44:38,724 INFO L87 Difference]: Start difference. First operand 724 states and 1145 transitions. Second operand 10 states. [2018-11-18 12:44:42,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:44:42,563 INFO L93 Difference]: Finished difference Result 2755 states and 4453 transitions. [2018-11-18 12:44:42,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-18 12:44:42,563 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 147 [2018-11-18 12:44:42,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:44:42,569 INFO L225 Difference]: With dead ends: 2755 [2018-11-18 12:44:42,569 INFO L226 Difference]: Without dead ends: 2037 [2018-11-18 12:44:42,571 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 156 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-18 12:44:42,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2037 states. [2018-11-18 12:44:42,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2037 to 2007. [2018-11-18 12:44:42,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2007 states. [2018-11-18 12:44:42,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2007 states to 2007 states and 2581 transitions. [2018-11-18 12:44:42,610 INFO L78 Accepts]: Start accepts. Automaton has 2007 states and 2581 transitions. Word has length 147 [2018-11-18 12:44:42,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:44:42,610 INFO L480 AbstractCegarLoop]: Abstraction has 2007 states and 2581 transitions. [2018-11-18 12:44:42,611 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 12:44:42,611 INFO L276 IsEmpty]: Start isEmpty. Operand 2007 states and 2581 transitions. [2018-11-18 12:44:42,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-18 12:44:42,614 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:44:42,614 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:44:42,614 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:44:42,614 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:44:42,614 INFO L82 PathProgramCache]: Analyzing trace with hash -1160952988, now seen corresponding path program 1 times [2018-11-18 12:44:42,615 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:44:42,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:44:42,615 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:44:42,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:44:42,615 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:44:42,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:44:42,727 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 52 proven. 15 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 12:44:42,727 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:44:42,727 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:44:42,728 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 161 with the following transitions: [2018-11-18 12:44:42,728 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [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], [525], [527], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 12:44:42,732 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:44:42,732 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:44:42,846 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 12:44:42,846 INFO L272 AbstractInterpreter]: Visited 116 different actions 226 times. Merged at 5 different actions 5 times. Never widened. Performed 2994 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2994 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 12:44:42,854 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:44:42,854 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 12:44:42,976 INFO L227 lantSequenceWeakener]: Weakened 157 states. On average, predicates are now at 81.76% of their original sizes. [2018-11-18 12:44:42,976 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 12:44:43,034 INFO L415 sIntCurrentIteration]: We unified 159 AI predicates to 159 [2018-11-18 12:44:43,034 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 12:44:43,034 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 12:44:43,035 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-18 12:44:43,035 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:44:43,035 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 12:44:43,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 12:44:43,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 12:44:43,036 INFO L87 Difference]: Start difference. First operand 2007 states and 2581 transitions. Second operand 10 states. [2018-11-18 12:44:45,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:44:45,796 INFO L93 Difference]: Finished difference Result 4013 states and 5229 transitions. [2018-11-18 12:44:45,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 12:44:45,796 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 160 [2018-11-18 12:44:45,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:44:45,804 INFO L225 Difference]: With dead ends: 4013 [2018-11-18 12:44:45,804 INFO L226 Difference]: Without dead ends: 2148 [2018-11-18 12:44:45,808 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 167 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-11-18 12:44:45,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2148 states. [2018-11-18 12:44:45,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2148 to 2145. [2018-11-18 12:44:45,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2145 states. [2018-11-18 12:44:45,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2145 states to 2145 states and 2735 transitions. [2018-11-18 12:44:45,851 INFO L78 Accepts]: Start accepts. Automaton has 2145 states and 2735 transitions. Word has length 160 [2018-11-18 12:44:45,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:44:45,851 INFO L480 AbstractCegarLoop]: Abstraction has 2145 states and 2735 transitions. [2018-11-18 12:44:45,851 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 12:44:45,851 INFO L276 IsEmpty]: Start isEmpty. Operand 2145 states and 2735 transitions. [2018-11-18 12:44:45,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-18 12:44:45,856 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:44:45,856 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 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] [2018-11-18 12:44:45,856 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:44:45,856 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:44:45,856 INFO L82 PathProgramCache]: Analyzing trace with hash -552748137, now seen corresponding path program 1 times [2018-11-18 12:44:45,856 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:44:45,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:44:45,857 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:44:45,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:44:45,857 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:44:45,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:44:45,931 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 66 proven. 14 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-18 12:44:45,931 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:44:45,931 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:44:45,931 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 173 with the following transitions: [2018-11-18 12:44:45,931 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [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], [525], [527], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 12:44:45,935 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:44:45,935 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:44:46,213 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 12:44:46,213 INFO L272 AbstractInterpreter]: Visited 118 different actions 351 times. Merged at 7 different actions 21 times. Never widened. Performed 4801 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4801 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-18 12:44:46,225 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:44:46,226 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 12:44:46,226 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:44:46,226 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_93cf48a3-356d-40c1-98fd-046d0710ec82/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:44:46,233 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:44:46,233 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 12:44:46,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:44:46,295 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:44:46,365 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 62 proven. 2 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-18 12:44:46,366 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:44:46,451 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 66 proven. 14 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-18 12:44:46,467 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 12:44:46,468 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2018-11-18 12:44:46,468 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 12:44:46,468 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 12:44:46,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 12:44:46,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-18 12:44:46,469 INFO L87 Difference]: Start difference. First operand 2145 states and 2735 transitions. Second operand 8 states. [2018-11-18 12:44:48,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:44:48,287 INFO L93 Difference]: Finished difference Result 7093 states and 9671 transitions. [2018-11-18 12:44:48,287 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-18 12:44:48,288 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 172 [2018-11-18 12:44:48,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:44:48,295 INFO L225 Difference]: With dead ends: 7093 [2018-11-18 12:44:48,295 INFO L226 Difference]: Without dead ends: 2992 [2018-11-18 12:44:48,306 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 389 GetRequests, 359 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=215, Invalid=777, Unknown=0, NotChecked=0, Total=992 [2018-11-18 12:44:48,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2992 states. [2018-11-18 12:44:48,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2992 to 2951. [2018-11-18 12:44:48,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2951 states. [2018-11-18 12:44:48,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2951 states to 2951 states and 3486 transitions. [2018-11-18 12:44:48,349 INFO L78 Accepts]: Start accepts. Automaton has 2951 states and 3486 transitions. Word has length 172 [2018-11-18 12:44:48,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:44:48,349 INFO L480 AbstractCegarLoop]: Abstraction has 2951 states and 3486 transitions. [2018-11-18 12:44:48,349 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 12:44:48,349 INFO L276 IsEmpty]: Start isEmpty. Operand 2951 states and 3486 transitions. [2018-11-18 12:44:48,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-18 12:44:48,355 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:44:48,355 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, 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] [2018-11-18 12:44:48,355 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:44:48,356 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:44:48,356 INFO L82 PathProgramCache]: Analyzing trace with hash -1543535280, now seen corresponding path program 1 times [2018-11-18 12:44:48,356 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:44:48,356 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:44:48,356 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:44:48,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:44:48,357 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:44:48,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:44:48,498 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 92 proven. 15 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-18 12:44:48,498 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:44:48,498 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:44:48,498 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 194 with the following transitions: [2018-11-18 12:44:48,498 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [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], [525], [527], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 12:44:48,501 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:44:48,501 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:44:48,606 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 12:44:48,606 INFO L272 AbstractInterpreter]: Visited 116 different actions 226 times. Merged at 5 different actions 5 times. Never widened. Performed 3054 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3054 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 12:44:48,616 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:44:48,617 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 12:44:48,823 INFO L227 lantSequenceWeakener]: Weakened 190 states. On average, predicates are now at 81.73% of their original sizes. [2018-11-18 12:44:48,823 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 12:44:48,877 INFO L415 sIntCurrentIteration]: We unified 192 AI predicates to 192 [2018-11-18 12:44:48,877 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 12:44:48,877 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 12:44:48,877 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-18 12:44:48,877 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:44:48,877 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 12:44:48,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 12:44:48,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 12:44:48,878 INFO L87 Difference]: Start difference. First operand 2951 states and 3486 transitions. Second operand 10 states. [2018-11-18 12:44:50,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:44:50,686 INFO L93 Difference]: Finished difference Result 6085 states and 7222 transitions. [2018-11-18 12:44:50,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 12:44:50,687 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 193 [2018-11-18 12:44:50,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:44:50,693 INFO L225 Difference]: With dead ends: 6085 [2018-11-18 12:44:50,693 INFO L226 Difference]: Without dead ends: 3414 [2018-11-18 12:44:50,697 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 201 GetRequests, 184 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 12:44:50,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3414 states. [2018-11-18 12:44:50,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3414 to 3411. [2018-11-18 12:44:50,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3411 states. [2018-11-18 12:44:50,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3411 states to 3411 states and 3975 transitions. [2018-11-18 12:44:50,736 INFO L78 Accepts]: Start accepts. Automaton has 3411 states and 3975 transitions. Word has length 193 [2018-11-18 12:44:50,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:44:50,737 INFO L480 AbstractCegarLoop]: Abstraction has 3411 states and 3975 transitions. [2018-11-18 12:44:50,737 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 12:44:50,737 INFO L276 IsEmpty]: Start isEmpty. Operand 3411 states and 3975 transitions. [2018-11-18 12:44:50,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-11-18 12:44:50,741 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:44:50,741 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:44:50,741 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:44:50,741 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:44:50,742 INFO L82 PathProgramCache]: Analyzing trace with hash 1421736141, now seen corresponding path program 1 times [2018-11-18 12:44:50,742 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:44:50,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:44:50,742 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:44:50,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:44:50,742 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:44:50,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:44:50,859 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 90 proven. 44 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 12:44:50,859 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:44:50,859 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:44:50,860 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 203 with the following transitions: [2018-11-18 12:44:50,860 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [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], [525], [527], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 12:44:50,862 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:44:50,862 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:44:51,103 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 12:44:51,104 INFO L272 AbstractInterpreter]: Visited 118 different actions 474 times. Merged at 9 different actions 38 times. Widened at 1 different actions 1 times. Performed 6692 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6692 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 12:44:51,113 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:44:51,114 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 12:44:51,114 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:44:51,114 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_93cf48a3-356d-40c1-98fd-046d0710ec82/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:44:51,126 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:44:51,127 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 12:44:51,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:44:51,183 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:44:51,240 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 108 proven. 2 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-18 12:44:51,240 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:44:51,309 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 96 proven. 36 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 12:44:51,325 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 12:44:51,325 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-11-18 12:44:51,325 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 12:44:51,325 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 12:44:51,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 12:44:51,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-11-18 12:44:51,326 INFO L87 Difference]: Start difference. First operand 3411 states and 3975 transitions. Second operand 11 states. [2018-11-18 12:44:52,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:44:52,528 INFO L93 Difference]: Finished difference Result 11091 states and 13843 transitions. [2018-11-18 12:44:52,528 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-18 12:44:52,529 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 202 [2018-11-18 12:44:52,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:44:52,552 INFO L225 Difference]: With dead ends: 11091 [2018-11-18 12:44:52,552 INFO L226 Difference]: Without dead ends: 8282 [2018-11-18 12:44:52,563 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 427 GetRequests, 407 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 12:44:52,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8282 states. [2018-11-18 12:44:52,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8282 to 8259. [2018-11-18 12:44:52,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8259 states. [2018-11-18 12:44:52,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8259 states to 8259 states and 9902 transitions. [2018-11-18 12:44:52,713 INFO L78 Accepts]: Start accepts. Automaton has 8259 states and 9902 transitions. Word has length 202 [2018-11-18 12:44:52,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:44:52,714 INFO L480 AbstractCegarLoop]: Abstraction has 8259 states and 9902 transitions. [2018-11-18 12:44:52,714 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 12:44:52,714 INFO L276 IsEmpty]: Start isEmpty. Operand 8259 states and 9902 transitions. [2018-11-18 12:44:52,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-11-18 12:44:52,726 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:44:52,726 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:44:52,726 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:44:52,726 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:44:52,727 INFO L82 PathProgramCache]: Analyzing trace with hash 669212635, now seen corresponding path program 2 times [2018-11-18 12:44:52,727 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:44:52,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:44:52,727 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:44:52,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:44:52,728 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:44:52,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:44:52,860 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 90 proven. 46 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 12:44:52,860 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:44:52,860 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:44:52,860 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-11-18 12:44:52,860 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-11-18 12:44:52,860 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:44:52,861 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_93cf48a3-356d-40c1-98fd-046d0710ec82/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 12:44:52,870 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-18 12:44:52,870 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-11-18 12:44:52,919 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-11-18 12:44:52,919 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 12:44:52,923 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:44:52,969 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-11-18 12:44:52,969 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:44:53,004 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-11-18 12:44:53,019 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 12:44:53,020 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [9] total 10 [2018-11-18 12:44:53,020 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:44:53,020 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:44:53,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:44:53,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-11-18 12:44:53,020 INFO L87 Difference]: Start difference. First operand 8259 states and 9902 transitions. Second operand 3 states. [2018-11-18 12:44:53,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:44:53,384 INFO L93 Difference]: Finished difference Result 20240 states and 24655 transitions. [2018-11-18 12:44:53,386 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:44:53,386 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 202 [2018-11-18 12:44:53,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:44:53,386 INFO L225 Difference]: With dead ends: 20240 [2018-11-18 12:44:53,386 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 12:44:53,415 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 413 GetRequests, 403 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-11-18 12:44:53,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 12:44:53,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 12:44:53,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 12:44:53,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 12:44:53,416 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 202 [2018-11-18 12:44:53,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:44:53,416 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 12:44:53,416 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:44:53,416 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 12:44:53,416 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 12:44:53,420 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 12:44:53,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:44:53,611 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:44:53,621 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:44:53,634 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:44:53,636 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:44:53,639 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:44:53,648 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:44:53,656 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:44:53,666 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:44:53,680 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 102 [2018-11-18 12:44:53,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:44:53,715 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:44:53,720 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:44:53,721 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:44:53,724 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:44:53,729 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:44:53,733 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:44:53,737 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:44:54,757 WARN L180 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 101 [2018-11-18 12:44:54,909 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 55 [2018-11-18 12:44:55,017 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 58 [2018-11-18 12:44:55,018 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:44:55,019 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a8~0 |old(~a8~0)|) (= ~a7~0 |old(~a7~0)|) (= |old(~a20~0)| ~a20~0) (= |old(~a16~0)| ~a16~0)) [2018-11-18 12:44:55,019 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:44:55,019 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-18 12:44:55,019 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-18 12:44:55,019 INFO L425 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:44:55,019 INFO L425 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:44:55,019 INFO L425 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:44:55,019 INFO L425 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:44:55,019 INFO L425 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:44:55,019 INFO L425 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:44:55,020 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-18 12:44:55,020 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-18 12:44:55,020 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-18 12:44:55,020 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-18 12:44:55,020 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-18 12:44:55,020 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-18 12:44:55,020 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-18 12:44:55,020 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-18 12:44:55,020 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-18 12:44:55,020 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-18 12:44:55,020 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 488) no Hoare annotation was computed. [2018-11-18 12:44:55,020 INFO L425 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:44:55,021 INFO L425 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:44:55,021 INFO L425 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:44:55,021 INFO L425 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:44:55,021 INFO L425 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:44:55,021 INFO L425 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:44:55,021 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-18 12:44:55,021 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-18 12:44:55,021 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-18 12:44:55,021 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-18 12:44:55,021 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-18 12:44:55,021 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-18 12:44:55,021 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-18 12:44:55,021 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-18 12:44:55,022 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-18 12:44:55,022 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-18 12:44:55,022 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-18 12:44:55,022 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-18 12:44:55,022 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-18 12:44:55,022 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-18 12:44:55,022 INFO L425 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-11-18 12:44:55,022 INFO L425 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:44:55,022 INFO L425 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:44:55,022 INFO L425 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:44:55,022 INFO L425 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:44:55,022 INFO L425 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:44:55,022 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-18 12:44:55,023 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-18 12:44:55,023 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-18 12:44:55,023 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-18 12:44:55,023 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-18 12:44:55,023 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-18 12:44:55,023 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-18 12:44:55,023 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-18 12:44:55,023 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-18 12:44:55,023 INFO L425 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:44:55,023 INFO L425 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:44:55,023 INFO L425 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:44:55,023 INFO L425 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:44:55,024 INFO L425 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:44:55,024 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-18 12:44:55,024 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-18 12:44:55,024 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-18 12:44:55,024 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-18 12:44:55,024 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-18 12:44:55,024 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-18 12:44:55,024 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-18 12:44:55,024 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-18 12:44:55,024 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-18 12:44:55,024 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-18 12:44:55,024 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-18 12:44:55,024 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-18 12:44:55,025 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-18 12:44:55,025 INFO L425 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:44:55,025 INFO L425 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:44:55,025 INFO L425 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:44:55,025 INFO L425 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:44:55,025 INFO L425 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:44:55,025 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-18 12:44:55,025 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-18 12:44:55,025 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-18 12:44:55,025 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-18 12:44:55,025 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-18 12:44:55,025 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-18 12:44:55,025 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-18 12:44:55,026 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-18 12:44:55,026 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-18 12:44:55,026 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:44:55,026 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:44:55,026 INFO L425 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:44:55,026 INFO L425 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:44:55,026 INFO L425 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:44:55,026 INFO L425 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:44:55,026 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-18 12:44:55,026 INFO L425 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:44:55,026 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-18 12:44:55,027 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-18 12:44:55,027 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-18 12:44:55,027 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-18 12:44:55,027 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-18 12:44:55,027 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-18 12:44:55,027 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-18 12:44:55,027 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-18 12:44:55,027 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-18 12:44:55,027 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-18 12:44:55,027 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-18 12:44:55,027 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-18 12:44:55,027 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-18 12:44:55,028 INFO L425 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:44:55,028 INFO L425 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:44:55,028 INFO L425 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:44:55,028 INFO L425 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:44:55,028 INFO L425 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:44:55,028 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-18 12:44:55,028 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-18 12:44:55,028 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-18 12:44:55,028 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-18 12:44:55,028 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-18 12:44:55,029 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-18 12:44:55,029 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-18 12:44:55,029 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-18 12:44:55,029 INFO L425 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:44:55,029 INFO L425 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:44:55,029 INFO L425 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:44:55,029 INFO L425 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:44:55,029 INFO L425 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:44:55,029 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-18 12:44:55,029 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-18 12:44:55,029 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-18 12:44:55,029 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-18 12:44:55,030 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-18 12:44:55,030 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-18 12:44:55,030 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-18 12:44:55,030 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-18 12:44:55,030 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-18 12:44:55,030 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-18 12:44:55,030 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse21 (= 1 |old(~a20~0)|))) (let ((.cse16 (= ~a17~0 1)) (.cse14 (<= ~a17~0 0)) (.cse10 (not (= 1 |old(~a7~0)|))) (.cse15 (< 0 |old(~a17~0)|)) (.cse17 (= ~a21~0 1)) (.cse18 (not (= 0 |old(~a7~0)|))) (.cse19 (not (= 15 |old(~a8~0)|))) (.cse8 (= ~a8~0 13)) (.cse7 (= 13 |old(~a8~0)|)) (.cse0 (= 6 |old(~a16~0)|)) (.cse13 (= |old(~a20~0)| ~a20~0)) (.cse5 (not (= 1 |old(~a21~0)|))) (.cse1 (< 13 |old(~a8~0)|)) (.cse6 (not .cse21)) (.cse20 (= 0 |old(~a16~0)|)) (.cse9 (not (= 8 ~a12~0))) (.cse2 (<= ~a8~0 13)) (.cse3 (= ~a7~0 |old(~a7~0)|)) (.cse4 (= |old(~a16~0)| ~a16~0)) (.cse11 (= |calculate_output_#in~input| 0)) (.cse12 (not (= 1 |old(~a17~0)|)))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4)) (or (or .cse5 .cse6 (not (= 4 |old(~a16~0)|)) (not .cse7)) .cse8 .cse9 .cse10 .cse11 .cse12) (or .cse1 (< |old(~a20~0)| 1) .cse10 (and .cse2 (= 1 ~a7~0) .cse13 .cse4 .cse14) .cse15) (or .cse11 (and .cse16 .cse17) (or .cse18 .cse5 .cse19 (not (= 0 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) .cse9 .cse12)) (or .cse0 .cse18 .cse5 .cse9 .cse15 .cse11 .cse6 .cse19 .cse17 .cse20) (or .cse5 .cse6 .cse20 .cse9 .cse11 (and (not (= ~a8~0 0)) .cse16 .cse17) (= 0 |old(~a8~0)|) .cse12) (or .cse7 .cse14 .cse15) (or .cse0 .cse15 .cse14) (or .cse0 .cse10 .cse13) (or .cse0 .cse15 .cse13) (or (<= 15 ~a8~0) (< |old(~a8~0)| 15)) (or (and .cse17 (= ~a17~0 0)) .cse11 (or (not .cse0) .cse18 .cse5 .cse6 .cse19 (not (= 0 |old(~a17~0)|)) .cse9)) (or (and (<= ~a8~0 |old(~a8~0)|) .cse3 .cse13 .cse4 (not .cse8)) .cse7) (or .cse0 .cse13 .cse21) (or .cse5 .cse1 .cse6 .cse20 .cse9 (and .cse2 .cse3 .cse4 (= ~a20~0 1)) .cse11 .cse12)))) [2018-11-18 12:44:55,031 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-18 12:44:55,031 INFO L425 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:44:55,031 INFO L425 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:44:55,031 INFO L425 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:44:55,031 INFO L425 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:44:55,031 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-18 12:44:55,031 INFO L425 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:44:55,031 INFO L425 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:44:55,031 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-18 12:44:55,031 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-18 12:44:55,031 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-18 12:44:55,031 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-18 12:44:55,031 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-18 12:44:55,032 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-18 12:44:55,032 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-18 12:44:55,032 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-18 12:44:55,032 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-18 12:44:55,032 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-18 12:44:55,032 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-18 12:44:55,032 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-18 12:44:55,032 INFO L425 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:44:55,032 INFO L425 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:44:55,032 INFO L425 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:44:55,032 INFO L425 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:44:55,032 INFO L425 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:44:55,032 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-18 12:44:55,033 INFO L425 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:44:55,033 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-18 12:44:55,033 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-18 12:44:55,033 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-18 12:44:55,033 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-18 12:44:55,033 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-18 12:44:55,033 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-18 12:44:55,033 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-18 12:44:55,033 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-18 12:44:55,033 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-18 12:44:55,033 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-18 12:44:55,033 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-18 12:44:55,034 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-18 12:44:55,034 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-18 12:44:55,034 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-18 12:44:55,034 INFO L425 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:44:55,034 INFO L425 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:44:55,034 INFO L425 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:44:55,034 INFO L425 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:44:55,034 INFO L425 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:44:55,034 INFO L425 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:44:55,034 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-18 12:44:55,034 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-18 12:44:55,034 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-18 12:44:55,035 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-18 12:44:55,035 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-18 12:44:55,035 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-18 12:44:55,035 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-18 12:44:55,035 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-18 12:44:55,035 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-18 12:44:55,035 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-18 12:44:55,035 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:44:55,035 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a7~0 0) (= ~a8~0 15) (= ~a17~0 1) (= ~a12~0 8) (= ~a21~0 1) (= ~a20~0 1) (= ~a16~0 5)) [2018-11-18 12:44:55,035 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 12:44:55,035 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:44:55,036 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) (= ~a17~0 1) (= ~a21~0 1) (= ~a7~0 |old(~a7~0)|) (= ~a20~0 1) (= ~a16~0 5)) (not (= 1 |old(~a17~0)|))) [2018-11-18 12:44:55,036 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-18 12:44:55,036 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (= ~a20~0 1)) (.cse1 (= 1 ~a7~0)) (.cse2 (<= ~a17~0 0)) (.cse3 (not (= ~a16~0 6)))) (or (not (= 1 |old(~a21~0)|)) (not (= ~a8~0 13)) (not (= 8 ~a12~0)) (and (not (= ~a16~0 0)) (not (= main_~input~0 0)) (= ~a17~0 1) (= ~a21~0 1) .cse0) (not (= 1 |old(~a20~0)|)) (and .cse1 .cse2 (<= 1 ~a20~0)) (not (= 5 |old(~a16~0)|)) (and (not .cse0) .cse3) (not (= 0 |old(~a7~0)|)) (and .cse1 .cse3) (and .cse3 .cse2) (and (= ~a7~0 |old(~a7~0)|) .cse3) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)))) [2018-11-18 12:44:55,036 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-18 12:44:55,036 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-18 12:44:55,036 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-11-18 12:44:55,036 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse0 (= ~a20~0 1)) (.cse1 (= 1 ~a7~0)) (.cse2 (<= ~a17~0 0)) (.cse3 (not (= ~a16~0 6)))) (or (not (= 1 |old(~a21~0)|)) (not (= ~a8~0 13)) (not (= 8 ~a12~0)) (and (not (= ~a16~0 0)) (= ~a17~0 1) (= ~a21~0 1) .cse0) (not (= 1 |old(~a20~0)|)) (and .cse1 .cse2 (<= 1 ~a20~0)) (not (= 5 |old(~a16~0)|)) (and (not .cse0) .cse3) (not (= 0 |old(~a7~0)|)) (and .cse1 .cse3) (and .cse3 .cse2) (and (= ~a7~0 |old(~a7~0)|) .cse3) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)))) [2018-11-18 12:44:55,037 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-11-18 12:44:55,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 12:44:55 BoogieIcfgContainer [2018-11-18 12:44:55,048 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 12:44:55,049 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:44:55,049 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:44:55,049 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:44:55,049 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:44:36" (3/4) ... [2018-11-18 12:44:55,052 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 12:44:55,057 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 12:44:55,057 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 12:44:55,058 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 12:44:55,067 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 12:44:55,067 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 12:44:55,090 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!(1 == \old(a21)) || !(a8 == 13)) || !(8 == a12)) || (((!(a16 == 0) && a17 == 1) && a21 == 1) && a20 == 1)) || !(1 == \old(a20))) || ((1 == a7 && a17 <= 0) && 1 <= a20)) || !(5 == \old(a16))) || (!(a20 == 1) && !(a16 == 6))) || !(0 == \old(a7))) || (1 == a7 && !(a16 == 6))) || (!(a16 == 6) && a17 <= 0)) || (a7 == \old(a7) && !(a16 == 6))) || !(1 == \old(a17))) || !(15 == \old(a8)) [2018-11-18 12:44:55,147 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_93cf48a3-356d-40c1-98fd-046d0710ec82/bin-2019/utaipan/witness.graphml [2018-11-18 12:44:55,147 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:44:55,148 INFO L168 Benchmark]: Toolchain (without parser) took 20466.57 ms. Allocated memory was 1.0 GB in the beginning and 2.1 GB in the end (delta: 1.1 GB). Free memory was 951.2 MB in the beginning and 871.0 MB in the end (delta: 80.2 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-11-18 12:44:55,148 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:44:55,148 INFO L168 Benchmark]: CACSL2BoogieTranslator took 365.49 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 918.9 MB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2018-11-18 12:44:55,149 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 918.9 MB in the beginning and 1.1 GB in the end (delta: -205.5 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-11-18 12:44:55,149 INFO L168 Benchmark]: Boogie Preprocessor took 50.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:44:55,149 INFO L168 Benchmark]: RCFGBuilder took 843.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 100.6 MB). Peak memory consumption was 100.6 MB. Max. memory is 11.5 GB. [2018-11-18 12:44:55,149 INFO L168 Benchmark]: TraceAbstraction took 19026.37 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 978.3 MB). Free memory was 1.0 GB in the beginning and 895.2 MB in the end (delta: 117.9 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-11-18 12:44:55,150 INFO L168 Benchmark]: Witness Printer took 98.53 ms. Allocated memory is still 2.1 GB. Free memory was 895.2 MB in the beginning and 871.0 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2018-11-18 12:44:55,151 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 365.49 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 918.9 MB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 78.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 918.9 MB in the beginning and 1.1 GB in the end (delta: -205.5 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 843.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 100.6 MB). Peak memory consumption was 100.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 19026.37 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 978.3 MB). Free memory was 1.0 GB in the beginning and 895.2 MB in the end (delta: 117.9 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. * Witness Printer took 98.53 ms. Allocated memory is still 2.1 GB. Free memory was 895.2 MB in the beginning and 871.0 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 488]: 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)) || !(a8 == 13)) || !(8 == a12)) || (((!(a16 == 0) && a17 == 1) && a21 == 1) && a20 == 1)) || !(1 == \old(a20))) || ((1 == a7 && a17 <= 0) && 1 <= a20)) || !(5 == \old(a16))) || (!(a20 == 1) && !(a16 == 6))) || !(0 == \old(a7))) || (1 == a7 && !(a16 == 6))) || (!(a16 == 6) && a17 <= 0)) || (a7 == \old(a7) && !(a16 == 6))) || !(1 == \old(a17))) || !(15 == \old(a8)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 18.9s OverallTime, 8 OverallIterations, 5 TraceHistogramMax, 13.1s AutomataDifference, 0.0s DeadEndRemovalTime, 1.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 1236 SDtfs, 8349 SDslu, 1723 SDs, 0 SdLazy, 10334 SolverSat, 2099 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.5s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1769 GetRequests, 1647 SyntacticMatches, 7 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 408 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8259occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.3s AbstIntTime, 5 AbstIntIterations, 3 AbstIntStrong, 0.996903532767045 AbsIntWeakeningRatio, 0.23541247484909456 AbsIntAvgWeakeningVarsNumRemoved, 28.48692152917505 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 117 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 231 PreInvPairs, 439 NumberOfFragments, 633 HoareAnnotationTreeSize, 231 FomulaSimplifications, 8574 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 5911 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1885 NumberOfCodeBlocks, 1818 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2447 ConstructedInterpolants, 0 QuantifiedInterpolants, 841849 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1514 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 14 InterpolantComputations, 4 PerfectInterpolantSequences, 1383/1573 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...