./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label13_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b36bfa69-9678-4219-ae94-c8d6a314f792/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b36bfa69-9678-4219-ae94-c8d6a314f792/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b36bfa69-9678-4219-ae94-c8d6a314f792/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b36bfa69-9678-4219-ae94-c8d6a314f792/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label13_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b36bfa69-9678-4219-ae94-c8d6a314f792/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b36bfa69-9678-4219-ae94-c8d6a314f792/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 cc0170d70ef5480c46fda2216609fae1210cf1eb ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 15:53:41,208 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:53:41,209 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:53:41,219 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:53:41,220 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:53:41,220 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:53:41,222 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:53:41,223 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:53:41,225 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:53:41,226 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:53:41,226 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:53:41,227 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:53:41,227 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:53:41,228 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:53:41,229 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:53:41,230 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:53:41,230 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:53:41,232 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:53:41,234 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:53:41,235 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:53:41,236 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:53:41,237 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:53:41,239 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:53:41,240 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:53:41,240 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:53:41,240 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:53:41,242 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:53:41,243 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:53:41,243 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:53:41,244 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:53:41,245 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:53:41,245 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:53:41,245 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:53:41,246 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:53:41,246 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:53:41,247 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:53:41,247 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b36bfa69-9678-4219-ae94-c8d6a314f792/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 15:53:41,259 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:53:41,259 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:53:41,260 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:53:41,260 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 15:53:41,260 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 15:53:41,260 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 15:53:41,261 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 15:53:41,261 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 15:53:41,262 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 15:53:41,262 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 15:53:41,262 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 15:53:41,262 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 15:53:41,262 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 15:53:41,263 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:53:41,264 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:53:41,264 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:53:41,264 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:53:41,264 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:53:41,264 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:53:41,264 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:53:41,264 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:53:41,265 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:53:41,265 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:53:41,265 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:53:41,265 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:53:41,265 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:53:41,265 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 15:53:41,265 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:53:41,266 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 15:53:41,266 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 15:53:41,266 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:53:41,266 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:53:41,266 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:53:41,266 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 15:53:41,266 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:53:41,266 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 15:53:41,267 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 15:53:41,267 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_b36bfa69-9678-4219-ae94-c8d6a314f792/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 -> cc0170d70ef5480c46fda2216609fae1210cf1eb [2018-11-18 15:53:41,290 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:53:41,298 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:53:41,300 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:53:41,301 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:53:41,302 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:53:41,302 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b36bfa69-9678-4219-ae94-c8d6a314f792/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label13_true-unreach-call.c [2018-11-18 15:53:41,341 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b36bfa69-9678-4219-ae94-c8d6a314f792/bin-2019/utaipan/data/10811f7f5/2b12170a0dac481cb38cede50c89f075/FLAG5929bcf72 [2018-11-18 15:53:41,799 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:53:41,799 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b36bfa69-9678-4219-ae94-c8d6a314f792/sv-benchmarks/c/eca-rers2012/Problem16_label13_true-unreach-call.c [2018-11-18 15:53:41,812 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b36bfa69-9678-4219-ae94-c8d6a314f792/bin-2019/utaipan/data/10811f7f5/2b12170a0dac481cb38cede50c89f075/FLAG5929bcf72 [2018-11-18 15:53:42,113 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b36bfa69-9678-4219-ae94-c8d6a314f792/bin-2019/utaipan/data/10811f7f5/2b12170a0dac481cb38cede50c89f075 [2018-11-18 15:53:42,116 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:53:42,117 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:53:42,117 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:53:42,117 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:53:42,120 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:53:42,120 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:53:42" (1/1) ... [2018-11-18 15:53:42,122 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64e3deec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:42, skipping insertion in model container [2018-11-18 15:53:42,122 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:53:42" (1/1) ... [2018-11-18 15:53:42,129 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:53:42,191 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:53:42,640 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:53:42,644 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:53:42,851 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:53:42,952 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:53:42,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:42 WrapperNode [2018-11-18 15:53:42,952 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:53:42,953 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:53:42,953 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:53:42,953 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:53:42,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:42" (1/1) ... [2018-11-18 15:53:42,978 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:42" (1/1) ... [2018-11-18 15:53:42,985 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:53:42,986 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:53:42,986 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:53:42,986 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:53:42,994 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:42" (1/1) ... [2018-11-18 15:53:42,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:42" (1/1) ... [2018-11-18 15:53:42,999 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:42" (1/1) ... [2018-11-18 15:53:43,000 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:42" (1/1) ... [2018-11-18 15:53:43,040 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:42" (1/1) ... [2018-11-18 15:53:43,052 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:42" (1/1) ... [2018-11-18 15:53:43,061 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:42" (1/1) ... [2018-11-18 15:53:43,069 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:53:43,070 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:53:43,070 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:53:43,070 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:53:43,071 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b36bfa69-9678-4219-ae94-c8d6a314f792/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 15:53:43,118 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 15:53:43,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 15:53:43,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 15:53:43,119 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-18 15:53:43,119 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-18 15:53:43,119 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 15:53:43,119 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 15:53:43,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:53:43,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:53:43,119 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 15:53:43,120 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 15:53:44,566 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:53:44,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:53:44 BoogieIcfgContainer [2018-11-18 15:53:44,567 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:53:44,568 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 15:53:44,568 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 15:53:44,570 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 15:53:44,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 03:53:42" (1/3) ... [2018-11-18 15:53:44,571 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f7a3582 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:53:44, skipping insertion in model container [2018-11-18 15:53:44,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:53:42" (2/3) ... [2018-11-18 15:53:44,571 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f7a3582 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:53:44, skipping insertion in model container [2018-11-18 15:53:44,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:53:44" (3/3) ... [2018-11-18 15:53:44,573 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label13_true-unreach-call.c [2018-11-18 15:53:44,579 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 15:53:44,585 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 15:53:44,596 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 15:53:44,621 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 15:53:44,621 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 15:53:44,621 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 15:53:44,621 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 15:53:44,622 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 15:53:44,622 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 15:53:44,622 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 15:53:44,622 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 15:53:44,643 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states. [2018-11-18 15:53:44,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 15:53:44,650 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:53:44,651 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] [2018-11-18 15:53:44,652 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:53:44,656 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:53:44,656 INFO L82 PathProgramCache]: Analyzing trace with hash 1691177667, now seen corresponding path program 1 times [2018-11-18 15:53:44,658 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:53:44,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:53:44,690 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:53:44,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:53:44,690 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:53:44,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:53:44,885 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 15:53:44,887 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:53:44,887 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 15:53:44,887 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:53:44,892 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 15:53:44,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:53:44,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:53:44,902 INFO L87 Difference]: Start difference. First operand 410 states. Second operand 3 states. [2018-11-18 15:53:46,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:53:46,281 INFO L93 Difference]: Finished difference Result 1156 states and 2144 transitions. [2018-11-18 15:53:46,281 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:53:46,282 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2018-11-18 15:53:46,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:53:46,299 INFO L225 Difference]: With dead ends: 1156 [2018-11-18 15:53:46,299 INFO L226 Difference]: Without dead ends: 744 [2018-11-18 15:53:46,306 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:53:46,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2018-11-18 15:53:46,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 744. [2018-11-18 15:53:46,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2018-11-18 15:53:46,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1355 transitions. [2018-11-18 15:53:46,373 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1355 transitions. Word has length 63 [2018-11-18 15:53:46,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:53:46,374 INFO L480 AbstractCegarLoop]: Abstraction has 744 states and 1355 transitions. [2018-11-18 15:53:46,374 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 15:53:46,374 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1355 transitions. [2018-11-18 15:53:46,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-18 15:53:46,379 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:53:46,380 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 15:53:46,380 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:53:46,380 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:53:46,380 INFO L82 PathProgramCache]: Analyzing trace with hash 122384276, now seen corresponding path program 1 times [2018-11-18 15:53:46,380 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:53:46,381 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:53:46,382 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:53:46,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:53:46,382 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:53:46,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:53:46,507 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:53:46,508 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:53:46,508 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 15:53:46,508 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:53:46,509 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 15:53:46,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 15:53:46,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 15:53:46,510 INFO L87 Difference]: Start difference. First operand 744 states and 1355 transitions. Second operand 5 states. [2018-11-18 15:53:48,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:53:48,379 INFO L93 Difference]: Finished difference Result 2194 states and 4083 transitions. [2018-11-18 15:53:48,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 15:53:48,380 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 133 [2018-11-18 15:53:48,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:53:48,387 INFO L225 Difference]: With dead ends: 2194 [2018-11-18 15:53:48,387 INFO L226 Difference]: Without dead ends: 1456 [2018-11-18 15:53:48,389 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-18 15:53:48,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1456 states. [2018-11-18 15:53:48,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1456 to 1436. [2018-11-18 15:53:48,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1436 states. [2018-11-18 15:53:48,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1436 states to 1436 states and 2550 transitions. [2018-11-18 15:53:48,434 INFO L78 Accepts]: Start accepts. Automaton has 1436 states and 2550 transitions. Word has length 133 [2018-11-18 15:53:48,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:53:48,435 INFO L480 AbstractCegarLoop]: Abstraction has 1436 states and 2550 transitions. [2018-11-18 15:53:48,435 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 15:53:48,435 INFO L276 IsEmpty]: Start isEmpty. Operand 1436 states and 2550 transitions. [2018-11-18 15:53:48,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-18 15:53:48,439 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:53:48,440 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:53:48,440 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:53:48,440 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:53:48,440 INFO L82 PathProgramCache]: Analyzing trace with hash -805750699, now seen corresponding path program 1 times [2018-11-18 15:53:48,441 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:53:48,441 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:53:48,442 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:53:48,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:53:48,442 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:53:48,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:53:48,586 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:53:48,587 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:53:48,587 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 15:53:48,587 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:53:48,587 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 15:53:48,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 15:53:48,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 15:53:48,588 INFO L87 Difference]: Start difference. First operand 1436 states and 2550 transitions. Second operand 6 states. [2018-11-18 15:53:50,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:53:50,886 INFO L93 Difference]: Finished difference Result 3936 states and 7024 transitions. [2018-11-18 15:53:50,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 15:53:50,887 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 162 [2018-11-18 15:53:50,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:53:50,900 INFO L225 Difference]: With dead ends: 3936 [2018-11-18 15:53:50,900 INFO L226 Difference]: Without dead ends: 2506 [2018-11-18 15:53:50,907 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 15:53:50,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2506 states. [2018-11-18 15:53:50,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2506 to 2479. [2018-11-18 15:53:50,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2479 states. [2018-11-18 15:53:50,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2479 states to 2479 states and 3996 transitions. [2018-11-18 15:53:50,971 INFO L78 Accepts]: Start accepts. Automaton has 2479 states and 3996 transitions. Word has length 162 [2018-11-18 15:53:50,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:53:50,971 INFO L480 AbstractCegarLoop]: Abstraction has 2479 states and 3996 transitions. [2018-11-18 15:53:50,971 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 15:53:50,971 INFO L276 IsEmpty]: Start isEmpty. Operand 2479 states and 3996 transitions. [2018-11-18 15:53:50,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-18 15:53:50,974 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:53:50,974 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:53:50,975 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:53:50,975 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:53:50,975 INFO L82 PathProgramCache]: Analyzing trace with hash -914566951, now seen corresponding path program 1 times [2018-11-18 15:53:50,975 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:53:50,976 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:53:50,976 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:53:50,976 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:53:50,976 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:53:50,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:53:51,122 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:53:51,122 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:53:51,122 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 15:53:51,122 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:53:51,123 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 15:53:51,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 15:53:51,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 15:53:51,123 INFO L87 Difference]: Start difference. First operand 2479 states and 3996 transitions. Second operand 6 states. [2018-11-18 15:53:52,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:53:52,469 INFO L93 Difference]: Finished difference Result 6050 states and 9896 transitions. [2018-11-18 15:53:52,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 15:53:52,469 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 180 [2018-11-18 15:53:52,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:53:52,486 INFO L225 Difference]: With dead ends: 6050 [2018-11-18 15:53:52,486 INFO L226 Difference]: Without dead ends: 3577 [2018-11-18 15:53:52,494 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 15:53:52,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3577 states. [2018-11-18 15:53:52,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3577 to 3545. [2018-11-18 15:53:52,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3545 states. [2018-11-18 15:53:52,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3545 states to 3545 states and 4965 transitions. [2018-11-18 15:53:52,574 INFO L78 Accepts]: Start accepts. Automaton has 3545 states and 4965 transitions. Word has length 180 [2018-11-18 15:53:52,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:53:52,574 INFO L480 AbstractCegarLoop]: Abstraction has 3545 states and 4965 transitions. [2018-11-18 15:53:52,575 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 15:53:52,575 INFO L276 IsEmpty]: Start isEmpty. Operand 3545 states and 4965 transitions. [2018-11-18 15:53:52,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-11-18 15:53:52,579 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:53:52,580 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:53:52,580 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:53:52,580 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:53:52,580 INFO L82 PathProgramCache]: Analyzing trace with hash -819200035, now seen corresponding path program 1 times [2018-11-18 15:53:52,580 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:53:52,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:53:52,581 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:53:52,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:53:52,581 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:53:52,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:53:52,731 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 123 proven. 54 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 15:53:52,732 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:53:52,732 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 15:53:52,733 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 264 with the following transitions: [2018-11-18 15:53:52,734 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 15:53:52,774 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 15:53:52,775 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 15:53:53,161 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 15:53:53,162 INFO L272 AbstractInterpreter]: Visited 135 different actions 135 times. Never merged. Never widened. Performed 1261 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1261 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-11-18 15:53:53,169 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:53:53,170 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 15:53:53,550 INFO L227 lantSequenceWeakener]: Weakened 254 states. On average, predicates are now at 78.11% of their original sizes. [2018-11-18 15:53:53,550 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 15:53:53,572 INFO L415 sIntCurrentIteration]: We unified 262 AI predicates to 262 [2018-11-18 15:53:53,573 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 15:53:53,573 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 15:53:53,573 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2018-11-18 15:53:53,573 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:53:53,574 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 15:53:53,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 15:53:53,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 15:53:53,574 INFO L87 Difference]: Start difference. First operand 3545 states and 4965 transitions. Second operand 6 states. [2018-11-18 15:54:28,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:54:28,242 INFO L93 Difference]: Finished difference Result 7424 states and 10344 transitions. [2018-11-18 15:54:28,242 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 15:54:28,242 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 263 [2018-11-18 15:54:28,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:54:28,250 INFO L225 Difference]: With dead ends: 7424 [2018-11-18 15:54:28,250 INFO L226 Difference]: Without dead ends: 3885 [2018-11-18 15:54:28,258 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 263 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:54:28,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3885 states. [2018-11-18 15:54:28,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3885 to 3883. [2018-11-18 15:54:28,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3883 states. [2018-11-18 15:54:28,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3883 states to 3883 states and 5311 transitions. [2018-11-18 15:54:28,337 INFO L78 Accepts]: Start accepts. Automaton has 3883 states and 5311 transitions. Word has length 263 [2018-11-18 15:54:28,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:54:28,337 INFO L480 AbstractCegarLoop]: Abstraction has 3883 states and 5311 transitions. [2018-11-18 15:54:28,337 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 15:54:28,338 INFO L276 IsEmpty]: Start isEmpty. Operand 3883 states and 5311 transitions. [2018-11-18 15:54:28,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2018-11-18 15:54:28,344 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:54:28,345 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:54:28,345 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:54:28,345 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:54:28,345 INFO L82 PathProgramCache]: Analyzing trace with hash 478513722, now seen corresponding path program 1 times [2018-11-18 15:54:28,345 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:54:28,346 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:54:28,346 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:54:28,346 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:54:28,347 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:54:28,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:54:28,628 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 240 proven. 115 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-18 15:54:28,628 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:54:28,628 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 15:54:28,629 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 356 with the following transitions: [2018-11-18 15:54:28,629 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 15:54:28,633 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 15:54:28,633 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 15:54:28,834 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 15:54:28,834 INFO L272 AbstractInterpreter]: Visited 139 different actions 404 times. Merged at 5 different actions 9 times. Never widened. Performed 4094 root evaluator evaluations with a maximum evaluation depth of 7. Performed 4094 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-18 15:54:28,845 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:54:28,845 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 15:54:29,085 INFO L227 lantSequenceWeakener]: Weakened 352 states. On average, predicates are now at 80.64% of their original sizes. [2018-11-18 15:54:29,085 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 15:54:29,142 INFO L415 sIntCurrentIteration]: We unified 354 AI predicates to 354 [2018-11-18 15:54:29,142 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 15:54:29,142 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 15:54:29,142 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-11-18 15:54:29,143 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:54:29,143 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 15:54:29,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 15:54:29,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 15:54:29,144 INFO L87 Difference]: Start difference. First operand 3883 states and 5311 transitions. Second operand 10 states. [2018-11-18 15:55:56,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:55:56,200 INFO L93 Difference]: Finished difference Result 9062 states and 12453 transitions. [2018-11-18 15:55:56,200 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-18 15:55:56,201 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 355 [2018-11-18 15:55:56,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:55:56,214 INFO L225 Difference]: With dead ends: 9062 [2018-11-18 15:55:56,214 INFO L226 Difference]: Without dead ends: 5523 [2018-11-18 15:55:56,224 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 364 GetRequests, 346 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 15:55:56,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5523 states. [2018-11-18 15:55:56,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5523 to 5486. [2018-11-18 15:55:56,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5486 states. [2018-11-18 15:55:56,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5486 states to 5486 states and 7100 transitions. [2018-11-18 15:55:56,312 INFO L78 Accepts]: Start accepts. Automaton has 5486 states and 7100 transitions. Word has length 355 [2018-11-18 15:55:56,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:55:56,312 INFO L480 AbstractCegarLoop]: Abstraction has 5486 states and 7100 transitions. [2018-11-18 15:55:56,312 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 15:55:56,312 INFO L276 IsEmpty]: Start isEmpty. Operand 5486 states and 7100 transitions. [2018-11-18 15:55:56,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 504 [2018-11-18 15:55:56,321 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:55:56,322 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:55:56,322 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:55:56,322 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:55:56,322 INFO L82 PathProgramCache]: Analyzing trace with hash -1919421790, now seen corresponding path program 1 times [2018-11-18 15:55:56,322 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:55:56,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:55:56,323 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:55:56,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:55:56,323 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:55:56,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:55:56,680 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 252 proven. 54 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2018-11-18 15:55:56,680 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:55:56,681 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 15:55:56,681 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 504 with the following transitions: [2018-11-18 15:55:56,681 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 15:55:56,688 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 15:55:56,688 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 15:55:57,137 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 15:55:57,137 INFO L272 AbstractInterpreter]: Visited 250 different actions 742 times. Merged at 8 different actions 16 times. Never widened. Performed 8347 root evaluator evaluations with a maximum evaluation depth of 18. Performed 8347 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-18 15:55:57,141 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:55:57,142 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 15:55:57,142 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:55:57,142 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b36bfa69-9678-4219-ae94-c8d6a314f792/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 15:55:57,150 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:55:57,150 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 15:55:57,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:55:57,246 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:55:57,419 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2018-11-18 15:55:57,419 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:55:57,558 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2018-11-18 15:55:57,586 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 15:55:57,586 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 7 [2018-11-18 15:55:57,586 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:55:57,587 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 15:55:57,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:55:57,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:55:57,588 INFO L87 Difference]: Start difference. First operand 5486 states and 7100 transitions. Second operand 3 states. [2018-11-18 15:55:58,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:55:58,621 INFO L93 Difference]: Finished difference Result 10628 states and 13855 transitions. [2018-11-18 15:55:58,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:55:58,621 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 503 [2018-11-18 15:55:58,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:55:58,643 INFO L225 Difference]: With dead ends: 10628 [2018-11-18 15:55:58,643 INFO L226 Difference]: Without dead ends: 5486 [2018-11-18 15:55:58,660 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1012 GetRequests, 1007 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:55:58,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5486 states. [2018-11-18 15:55:58,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5486 to 5486. [2018-11-18 15:55:58,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5486 states. [2018-11-18 15:55:58,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5486 states to 5486 states and 6798 transitions. [2018-11-18 15:55:58,762 INFO L78 Accepts]: Start accepts. Automaton has 5486 states and 6798 transitions. Word has length 503 [2018-11-18 15:55:58,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:55:58,762 INFO L480 AbstractCegarLoop]: Abstraction has 5486 states and 6798 transitions. [2018-11-18 15:55:58,763 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 15:55:58,763 INFO L276 IsEmpty]: Start isEmpty. Operand 5486 states and 6798 transitions. [2018-11-18 15:55:58,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 528 [2018-11-18 15:55:58,778 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:55:58,778 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:55:58,779 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:55:58,779 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:55:58,779 INFO L82 PathProgramCache]: Analyzing trace with hash -1803842259, now seen corresponding path program 1 times [2018-11-18 15:55:58,779 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:55:58,780 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:55:58,780 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:55:58,780 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:55:58,780 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:55:58,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:55:59,447 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 77 proven. 254 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 15:55:59,447 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:55:59,447 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 15:55:59,447 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 528 with the following transitions: [2018-11-18 15:55:59,448 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 15:55:59,450 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 15:55:59,451 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 15:55:59,694 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 15:55:59,694 INFO L272 AbstractInterpreter]: Visited 248 different actions 743 times. Merged at 7 different actions 21 times. Never widened. Performed 8327 root evaluator evaluations with a maximum evaluation depth of 8. Performed 8327 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-18 15:55:59,701 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:55:59,701 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 15:56:00,110 INFO L227 lantSequenceWeakener]: Weakened 524 states. On average, predicates are now at 80.37% of their original sizes. [2018-11-18 15:56:00,110 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 15:56:00,162 INFO L415 sIntCurrentIteration]: We unified 526 AI predicates to 526 [2018-11-18 15:56:00,162 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 15:56:00,163 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 15:56:00,163 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 13 [2018-11-18 15:56:00,163 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:56:00,164 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 15:56:00,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 15:56:00,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 15:56:00,164 INFO L87 Difference]: Start difference. First operand 5486 states and 6798 transitions. Second operand 10 states. [2018-11-18 15:57:15,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:57:15,530 INFO L93 Difference]: Finished difference Result 13094 states and 16286 transitions. [2018-11-18 15:57:15,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-18 15:57:15,530 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 527 [2018-11-18 15:57:15,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:57:15,548 INFO L225 Difference]: With dead ends: 13094 [2018-11-18 15:57:15,548 INFO L226 Difference]: Without dead ends: 7952 [2018-11-18 15:57:15,557 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 537 GetRequests, 518 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-11-18 15:57:15,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7952 states. [2018-11-18 15:57:15,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7952 to 7931. [2018-11-18 15:57:15,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7931 states. [2018-11-18 15:57:15,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7931 states to 7931 states and 9547 transitions. [2018-11-18 15:57:15,687 INFO L78 Accepts]: Start accepts. Automaton has 7931 states and 9547 transitions. Word has length 527 [2018-11-18 15:57:15,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:57:15,688 INFO L480 AbstractCegarLoop]: Abstraction has 7931 states and 9547 transitions. [2018-11-18 15:57:15,688 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 15:57:15,688 INFO L276 IsEmpty]: Start isEmpty. Operand 7931 states and 9547 transitions. [2018-11-18 15:57:15,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 667 [2018-11-18 15:57:15,711 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:57:15,711 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:57:15,711 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:57:15,711 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:57:15,712 INFO L82 PathProgramCache]: Analyzing trace with hash -767839202, now seen corresponding path program 1 times [2018-11-18 15:57:15,712 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:57:15,712 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:57:15,712 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:57:15,712 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:57:15,713 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:57:15,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:57:16,204 INFO L134 CoverageAnalysis]: Checked inductivity of 936 backedges. 467 proven. 115 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2018-11-18 15:57:16,204 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:57:16,204 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 15:57:16,204 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 667 with the following transitions: [2018-11-18 15:57:16,205 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [860], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 15:57:16,207 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 15:57:16,207 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 15:57:16,609 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 15:57:16,609 INFO L272 AbstractInterpreter]: Visited 251 different actions 1004 times. Merged at 9 different actions 35 times. Widened at 1 different actions 1 times. Performed 11679 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11679 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 7 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-18 15:57:16,613 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:57:16,613 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 15:57:16,613 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:57:16,613 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b36bfa69-9678-4219-ae94-c8d6a314f792/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 15:57:16,619 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:57:16,619 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 15:57:16,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:57:16,711 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:57:16,845 INFO L134 CoverageAnalysis]: Checked inductivity of 936 backedges. 750 proven. 2 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2018-11-18 15:57:16,845 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:57:17,035 INFO L134 CoverageAnalysis]: Checked inductivity of 936 backedges. 467 proven. 115 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2018-11-18 15:57:17,050 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 15:57:17,051 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-18 15:57:17,051 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 15:57:17,051 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 15:57:17,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 15:57:17,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-11-18 15:57:17,052 INFO L87 Difference]: Start difference. First operand 7931 states and 9547 transitions. Second operand 9 states. [2018-11-18 15:57:19,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:57:19,531 INFO L93 Difference]: Finished difference Result 18462 states and 23355 transitions. [2018-11-18 15:57:19,531 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 15:57:19,532 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 666 [2018-11-18 15:57:19,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:57:19,561 INFO L225 Difference]: With dead ends: 18462 [2018-11-18 15:57:19,561 INFO L226 Difference]: Without dead ends: 10875 [2018-11-18 15:57:19,584 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1353 GetRequests, 1335 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2018-11-18 15:57:19,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10875 states. [2018-11-18 15:57:19,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10875 to 10157. [2018-11-18 15:57:19,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10157 states. [2018-11-18 15:57:19,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10157 states to 10157 states and 12443 transitions. [2018-11-18 15:57:19,770 INFO L78 Accepts]: Start accepts. Automaton has 10157 states and 12443 transitions. Word has length 666 [2018-11-18 15:57:19,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:57:19,771 INFO L480 AbstractCegarLoop]: Abstraction has 10157 states and 12443 transitions. [2018-11-18 15:57:19,771 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 15:57:19,771 INFO L276 IsEmpty]: Start isEmpty. Operand 10157 states and 12443 transitions. [2018-11-18 15:57:19,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 912 [2018-11-18 15:57:19,796 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:57:19,796 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:57:19,796 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:57:19,796 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:57:19,798 INFO L82 PathProgramCache]: Analyzing trace with hash 1630120174, now seen corresponding path program 1 times [2018-11-18 15:57:19,798 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:57:19,799 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:57:19,799 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:57:19,799 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:57:19,799 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:57:19,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:57:21,464 INFO L134 CoverageAnalysis]: Checked inductivity of 1519 backedges. 313 proven. 908 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2018-11-18 15:57:21,464 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:57:21,465 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 15:57:21,465 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 912 with the following transitions: [2018-11-18 15:57:21,465 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1392], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 15:57:21,468 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 15:57:21,468 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 15:57:21,632 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 15:57:21,632 INFO L272 AbstractInterpreter]: Visited 261 different actions 516 times. Merged at 5 different actions 5 times. Never widened. Performed 5487 root evaluator evaluations with a maximum evaluation depth of 9. Performed 5487 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-18 15:57:21,637 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:57:21,637 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 15:57:22,050 INFO L227 lantSequenceWeakener]: Weakened 908 states. On average, predicates are now at 77.57% of their original sizes. [2018-11-18 15:57:22,051 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 15:57:22,100 INFO L415 sIntCurrentIteration]: We unified 910 AI predicates to 910 [2018-11-18 15:57:22,100 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 15:57:22,101 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 15:57:22,101 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [14] total 22 [2018-11-18 15:57:22,101 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:57:22,102 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 15:57:22,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 15:57:22,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 15:57:22,102 INFO L87 Difference]: Start difference. First operand 10157 states and 12443 transitions. Second operand 10 states. [2018-11-18 15:58:05,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:58:05,871 INFO L93 Difference]: Finished difference Result 20313 states and 24930 transitions. [2018-11-18 15:58:05,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 15:58:05,872 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 911 [2018-11-18 15:58:05,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:58:05,901 INFO L225 Difference]: With dead ends: 20313 [2018-11-18 15:58:05,901 INFO L226 Difference]: Without dead ends: 10500 [2018-11-18 15:58:05,921 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 918 GetRequests, 902 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 15:58:05,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10500 states. [2018-11-18 15:58:06,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10500 to 10497. [2018-11-18 15:58:06,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10497 states. [2018-11-18 15:58:06,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10497 states to 10497 states and 12800 transitions. [2018-11-18 15:58:06,082 INFO L78 Accepts]: Start accepts. Automaton has 10497 states and 12800 transitions. Word has length 911 [2018-11-18 15:58:06,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:58:06,083 INFO L480 AbstractCegarLoop]: Abstraction has 10497 states and 12800 transitions. [2018-11-18 15:58:06,083 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 15:58:06,083 INFO L276 IsEmpty]: Start isEmpty. Operand 10497 states and 12800 transitions. [2018-11-18 15:58:06,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 920 [2018-11-18 15:58:06,107 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:58:06,107 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:58:06,107 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:58:06,107 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:58:06,108 INFO L82 PathProgramCache]: Analyzing trace with hash 1921049982, now seen corresponding path program 1 times [2018-11-18 15:58:06,108 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:58:06,108 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:58:06,108 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:58:06,109 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:58:06,109 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:58:06,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:58:06,853 INFO L134 CoverageAnalysis]: Checked inductivity of 1527 backedges. 713 proven. 526 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2018-11-18 15:58:06,853 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:58:06,854 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 15:58:06,854 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 920 with the following transitions: [2018-11-18 15:58:06,854 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1385], [1389], [1392], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 15:58:06,856 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 15:58:06,856 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 15:58:07,122 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 15:58:07,122 INFO L272 AbstractInterpreter]: Visited 261 different actions 770 times. Merged at 5 different actions 9 times. Never widened. Performed 8951 root evaluator evaluations with a maximum evaluation depth of 9. Performed 8951 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-18 15:58:07,129 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:58:07,129 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 15:58:07,563 INFO L227 lantSequenceWeakener]: Weakened 916 states. On average, predicates are now at 80.26% of their original sizes. [2018-11-18 15:58:07,563 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 15:58:07,603 INFO L415 sIntCurrentIteration]: We unified 918 AI predicates to 918 [2018-11-18 15:58:07,603 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 15:58:07,603 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 15:58:07,604 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 15 [2018-11-18 15:58:07,604 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:58:07,604 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 15:58:07,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 15:58:07,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 15:58:07,604 INFO L87 Difference]: Start difference. First operand 10497 states and 12800 transitions. Second operand 9 states. [2018-11-18 15:58:51,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:58:51,075 INFO L93 Difference]: Finished difference Result 20328 states and 24979 transitions. [2018-11-18 15:58:51,075 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-18 15:58:51,075 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 919 [2018-11-18 15:58:51,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:58:51,097 INFO L225 Difference]: With dead ends: 20328 [2018-11-18 15:58:51,098 INFO L226 Difference]: Without dead ends: 10515 [2018-11-18 15:58:51,111 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 925 GetRequests, 911 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-11-18 15:58:51,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10515 states. [2018-11-18 15:58:51,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10515 to 10501. [2018-11-18 15:58:51,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10501 states. [2018-11-18 15:58:51,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10501 states to 10501 states and 12784 transitions. [2018-11-18 15:58:51,217 INFO L78 Accepts]: Start accepts. Automaton has 10501 states and 12784 transitions. Word has length 919 [2018-11-18 15:58:51,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:58:51,218 INFO L480 AbstractCegarLoop]: Abstraction has 10501 states and 12784 transitions. [2018-11-18 15:58:51,218 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 15:58:51,218 INFO L276 IsEmpty]: Start isEmpty. Operand 10501 states and 12784 transitions. [2018-11-18 15:58:51,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1004 [2018-11-18 15:58:51,232 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:58:51,233 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:58:51,233 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:58:51,233 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:58:51,233 INFO L82 PathProgramCache]: Analyzing trace with hash 1341617739, now seen corresponding path program 1 times [2018-11-18 15:58:51,233 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:58:51,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:58:51,234 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:58:51,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:58:51,234 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:58:51,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:58:52,446 INFO L134 CoverageAnalysis]: Checked inductivity of 2013 backedges. 446 proven. 588 refuted. 0 times theorem prover too weak. 979 trivial. 0 not checked. [2018-11-18 15:58:52,446 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:58:52,446 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 15:58:52,447 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1004 with the following transitions: [2018-11-18 15:58:52,447 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1392], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 15:58:52,450 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 15:58:52,450 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 15:58:52,898 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 15:58:52,899 INFO L272 AbstractInterpreter]: Visited 263 different actions 1320 times. Merged at 11 different actions 52 times. Widened at 1 different actions 1 times. Performed 16008 root evaluator evaluations with a maximum evaluation depth of 9. Performed 16008 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 15 fixpoints after 4 different actions. Largest state had 24 variables. [2018-11-18 15:58:52,900 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:58:52,900 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 15:58:52,900 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:58:52,900 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b36bfa69-9678-4219-ae94-c8d6a314f792/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 15:58:52,914 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:58:52,914 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 15:58:53,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:58:53,030 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:58:53,360 INFO L134 CoverageAnalysis]: Checked inductivity of 2013 backedges. 1142 proven. 2 refuted. 0 times theorem prover too weak. 869 trivial. 0 not checked. [2018-11-18 15:58:53,360 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:58:53,813 INFO L134 CoverageAnalysis]: Checked inductivity of 2013 backedges. 446 proven. 588 refuted. 0 times theorem prover too weak. 979 trivial. 0 not checked. [2018-11-18 15:58:53,828 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 15:58:53,829 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5, 5] total 19 [2018-11-18 15:58:53,829 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 15:58:53,830 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-18 15:58:53,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-18 15:58:53,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-11-18 15:58:53,830 INFO L87 Difference]: Start difference. First operand 10501 states and 12784 transitions. Second operand 16 states. [2018-11-18 15:58:59,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:58:59,287 INFO L93 Difference]: Finished difference Result 28093 states and 35652 transitions. [2018-11-18 15:58:59,287 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-11-18 15:58:59,288 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 1003 [2018-11-18 15:58:59,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:58:59,316 INFO L225 Difference]: With dead ends: 28093 [2018-11-18 15:58:59,317 INFO L226 Difference]: Without dead ends: 13906 [2018-11-18 15:58:59,374 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2089 GetRequests, 2033 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 914 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=717, Invalid=2589, Unknown=0, NotChecked=0, Total=3306 [2018-11-18 15:58:59,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13906 states. [2018-11-18 15:58:59,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13906 to 13560. [2018-11-18 15:58:59,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13560 states. [2018-11-18 15:58:59,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13560 states to 13560 states and 15043 transitions. [2018-11-18 15:58:59,569 INFO L78 Accepts]: Start accepts. Automaton has 13560 states and 15043 transitions. Word has length 1003 [2018-11-18 15:58:59,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:58:59,569 INFO L480 AbstractCegarLoop]: Abstraction has 13560 states and 15043 transitions. [2018-11-18 15:58:59,569 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-18 15:58:59,569 INFO L276 IsEmpty]: Start isEmpty. Operand 13560 states and 15043 transitions. [2018-11-18 15:58:59,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1016 [2018-11-18 15:58:59,579 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:58:59,579 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:58:59,579 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:58:59,580 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:58:59,580 INFO L82 PathProgramCache]: Analyzing trace with hash -2020055773, now seen corresponding path program 1 times [2018-11-18 15:58:59,580 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:58:59,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:58:59,581 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:58:59,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:58:59,581 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:58:59,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:59:00,484 INFO L134 CoverageAnalysis]: Checked inductivity of 2149 backedges. 968 proven. 9 refuted. 0 times theorem prover too weak. 1172 trivial. 0 not checked. [2018-11-18 15:59:00,484 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:59:00,484 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 15:59:00,485 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1016 with the following transitions: [2018-11-18 15:59:00,485 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 15:59:00,487 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 15:59:00,487 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 15:59:00,984 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 15:59:00,984 INFO L272 AbstractInterpreter]: Visited 253 different actions 1021 times. Merged at 11 different actions 44 times. Widened at 1 different actions 1 times. Performed 11860 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11860 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 12 fixpoints after 4 different actions. Largest state had 24 variables. [2018-11-18 15:59:00,989 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:59:00,989 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 15:59:00,989 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:59:00,989 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b36bfa69-9678-4219-ae94-c8d6a314f792/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 15:59:01,000 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:59:01,000 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 15:59:01,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:59:01,116 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:59:01,418 INFO L134 CoverageAnalysis]: Checked inductivity of 2149 backedges. 918 proven. 54 refuted. 0 times theorem prover too weak. 1177 trivial. 0 not checked. [2018-11-18 15:59:01,418 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:59:01,908 INFO L134 CoverageAnalysis]: Checked inductivity of 2149 backedges. 970 proven. 2 refuted. 0 times theorem prover too weak. 1177 trivial. 0 not checked. [2018-11-18 15:59:01,923 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 15:59:01,924 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 4] total 11 [2018-11-18 15:59:01,924 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 15:59:01,924 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 15:59:01,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 15:59:01,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2018-11-18 15:59:01,925 INFO L87 Difference]: Start difference. First operand 13560 states and 15043 transitions. Second operand 9 states. [2018-11-18 15:59:05,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:59:05,344 INFO L93 Difference]: Finished difference Result 31914 states and 35716 transitions. [2018-11-18 15:59:05,344 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-11-18 15:59:05,344 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1015 [2018-11-18 15:59:05,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:59:05,378 INFO L225 Difference]: With dead ends: 31914 [2018-11-18 15:59:05,379 INFO L226 Difference]: Without dead ends: 18965 [2018-11-18 15:59:05,415 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2075 GetRequests, 2043 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=281, Invalid=711, Unknown=0, NotChecked=0, Total=992 [2018-11-18 15:59:05,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18965 states. [2018-11-18 15:59:05,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18965 to 18559. [2018-11-18 15:59:05,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18559 states. [2018-11-18 15:59:05,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18559 states to 18559 states and 20065 transitions. [2018-11-18 15:59:05,647 INFO L78 Accepts]: Start accepts. Automaton has 18559 states and 20065 transitions. Word has length 1015 [2018-11-18 15:59:05,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:59:05,648 INFO L480 AbstractCegarLoop]: Abstraction has 18559 states and 20065 transitions. [2018-11-18 15:59:05,648 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 15:59:05,648 INFO L276 IsEmpty]: Start isEmpty. Operand 18559 states and 20065 transitions. [2018-11-18 15:59:05,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1326 [2018-11-18 15:59:05,662 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:59:05,663 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:59:05,663 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:59:05,663 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:59:05,663 INFO L82 PathProgramCache]: Analyzing trace with hash 1781870355, now seen corresponding path program 1 times [2018-11-18 15:59:05,663 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:59:05,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:59:05,664 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:59:05,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:59:05,664 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:59:05,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:59:06,447 INFO L134 CoverageAnalysis]: Checked inductivity of 3883 backedges. 1461 proven. 2 refuted. 0 times theorem prover too weak. 2420 trivial. 0 not checked. [2018-11-18 15:59:06,447 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:59:06,448 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 15:59:06,448 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1326 with the following transitions: [2018-11-18 15:59:06,448 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 15:59:06,451 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 15:59:06,451 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 15:59:06,891 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 15:59:06,891 INFO L272 AbstractInterpreter]: Visited 255 different actions 1025 times. Merged at 12 different actions 40 times. Never widened. Performed 11950 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11950 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 14 fixpoints after 6 different actions. Largest state had 24 variables. [2018-11-18 15:59:06,893 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:59:06,893 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 15:59:06,893 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:59:06,893 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b36bfa69-9678-4219-ae94-c8d6a314f792/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 15:59:06,899 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:59:06,900 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 15:59:07,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:59:07,047 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:59:07,594 INFO L134 CoverageAnalysis]: Checked inductivity of 3883 backedges. 1461 proven. 2 refuted. 0 times theorem prover too weak. 2420 trivial. 0 not checked. [2018-11-18 15:59:07,594 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:59:08,256 INFO L134 CoverageAnalysis]: Checked inductivity of 3883 backedges. 1461 proven. 2 refuted. 0 times theorem prover too weak. 2420 trivial. 0 not checked. [2018-11-18 15:59:08,271 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 15:59:08,272 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-18 15:59:08,272 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 15:59:08,273 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 15:59:08,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 15:59:08,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-18 15:59:08,273 INFO L87 Difference]: Start difference. First operand 18559 states and 20065 transitions. Second operand 9 states. [2018-11-18 15:59:10,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:59:10,689 INFO L93 Difference]: Finished difference Result 42198 states and 46535 transitions. [2018-11-18 15:59:10,689 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-18 15:59:10,689 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1325 [2018-11-18 15:59:10,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:59:10,724 INFO L225 Difference]: With dead ends: 42198 [2018-11-18 15:59:10,724 INFO L226 Difference]: Without dead ends: 20771 [2018-11-18 15:59:10,763 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2677 GetRequests, 2655 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2018-11-18 15:59:10,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20771 states. [2018-11-18 15:59:10,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20771 to 20237. [2018-11-18 15:59:10,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20237 states. [2018-11-18 15:59:10,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20237 states to 20237 states and 21435 transitions. [2018-11-18 15:59:10,998 INFO L78 Accepts]: Start accepts. Automaton has 20237 states and 21435 transitions. Word has length 1325 [2018-11-18 15:59:10,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:59:10,999 INFO L480 AbstractCegarLoop]: Abstraction has 20237 states and 21435 transitions. [2018-11-18 15:59:10,999 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 15:59:10,999 INFO L276 IsEmpty]: Start isEmpty. Operand 20237 states and 21435 transitions. [2018-11-18 15:59:11,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1423 [2018-11-18 15:59:11,013 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:59:11,014 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:59:11,014 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:59:11,014 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:59:11,014 INFO L82 PathProgramCache]: Analyzing trace with hash 2070200546, now seen corresponding path program 1 times [2018-11-18 15:59:11,014 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:59:11,015 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:59:11,015 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:59:11,015 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:59:11,015 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:59:11,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:59:11,941 INFO L134 CoverageAnalysis]: Checked inductivity of 3949 backedges. 469 proven. 0 refuted. 0 times theorem prover too weak. 3480 trivial. 0 not checked. [2018-11-18 15:59:11,941 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:59:11,941 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 15:59:11,941 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:59:11,942 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 15:59:11,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 15:59:11,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 15:59:11,942 INFO L87 Difference]: Start difference. First operand 20237 states and 21435 transitions. Second operand 4 states. [2018-11-18 15:59:12,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:59:12,852 INFO L93 Difference]: Finished difference Result 35832 states and 37999 transitions. [2018-11-18 15:59:12,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 15:59:12,852 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1422 [2018-11-18 15:59:12,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:59:12,875 INFO L225 Difference]: With dead ends: 35832 [2018-11-18 15:59:12,875 INFO L226 Difference]: Without dead ends: 11326 [2018-11-18 15:59:12,903 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 15:59:12,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11326 states. [2018-11-18 15:59:12,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11326 to 11007. [2018-11-18 15:59:12,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11007 states. [2018-11-18 15:59:12,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11007 states to 11007 states and 11644 transitions. [2018-11-18 15:59:12,997 INFO L78 Accepts]: Start accepts. Automaton has 11007 states and 11644 transitions. Word has length 1422 [2018-11-18 15:59:12,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:59:12,998 INFO L480 AbstractCegarLoop]: Abstraction has 11007 states and 11644 transitions. [2018-11-18 15:59:12,998 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 15:59:12,998 INFO L276 IsEmpty]: Start isEmpty. Operand 11007 states and 11644 transitions. [2018-11-18 15:59:13,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1542 [2018-11-18 15:59:13,014 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:59:13,015 INFO L375 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-18 15:59:13,015 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:59:13,015 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:59:13,015 INFO L82 PathProgramCache]: Analyzing trace with hash 1240054110, now seen corresponding path program 1 times [2018-11-18 15:59:13,015 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:59:13,016 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:59:13,016 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:59:13,016 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:59:13,016 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:59:13,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:59:14,049 INFO L134 CoverageAnalysis]: Checked inductivity of 5169 backedges. 1719 proven. 2 refuted. 0 times theorem prover too weak. 3448 trivial. 0 not checked. [2018-11-18 15:59:14,049 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:59:14,049 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 15:59:14,049 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1542 with the following transitions: [2018-11-18 15:59:14,050 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 15:59:14,052 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 15:59:14,052 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 15:59:14,584 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 15:59:14,584 INFO L272 AbstractInterpreter]: Visited 256 different actions 1035 times. Merged at 13 different actions 46 times. Widened at 1 different actions 1 times. Performed 12040 root evaluator evaluations with a maximum evaluation depth of 18. Performed 12040 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 15 fixpoints after 6 different actions. Largest state had 24 variables. [2018-11-18 15:59:14,589 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:59:14,589 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 15:59:14,589 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:59:14,589 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b36bfa69-9678-4219-ae94-c8d6a314f792/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 15:59:14,595 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:59:14,595 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 15:59:14,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:59:14,785 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:59:15,518 INFO L134 CoverageAnalysis]: Checked inductivity of 5169 backedges. 1719 proven. 2 refuted. 0 times theorem prover too weak. 3448 trivial. 0 not checked. [2018-11-18 15:59:15,518 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:59:16,263 INFO L134 CoverageAnalysis]: Checked inductivity of 5169 backedges. 1719 proven. 2 refuted. 0 times theorem prover too weak. 3448 trivial. 0 not checked. [2018-11-18 15:59:16,279 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 15:59:16,280 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2018-11-18 15:59:16,280 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 15:59:16,281 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 15:59:16,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 15:59:16,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-18 15:59:16,281 INFO L87 Difference]: Start difference. First operand 11007 states and 11644 transitions. Second operand 10 states. [2018-11-18 15:59:18,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:59:18,106 INFO L93 Difference]: Finished difference Result 22424 states and 23782 transitions. [2018-11-18 15:59:18,106 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 15:59:18,106 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 1541 [2018-11-18 15:59:18,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:59:18,120 INFO L225 Difference]: With dead ends: 22424 [2018-11-18 15:59:18,120 INFO L226 Difference]: Without dead ends: 11806 [2018-11-18 15:59:18,129 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3103 GetRequests, 3084 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2018-11-18 15:59:18,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11806 states. [2018-11-18 15:59:18,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11806 to 11798. [2018-11-18 15:59:18,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11798 states. [2018-11-18 15:59:18,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11798 states to 11798 states and 12310 transitions. [2018-11-18 15:59:18,227 INFO L78 Accepts]: Start accepts. Automaton has 11798 states and 12310 transitions. Word has length 1541 [2018-11-18 15:59:18,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:59:18,228 INFO L480 AbstractCegarLoop]: Abstraction has 11798 states and 12310 transitions. [2018-11-18 15:59:18,228 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 15:59:18,228 INFO L276 IsEmpty]: Start isEmpty. Operand 11798 states and 12310 transitions. [2018-11-18 15:59:18,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1740 [2018-11-18 15:59:18,246 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:59:18,247 INFO L375 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-18 15:59:18,247 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:59:18,247 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:59:18,247 INFO L82 PathProgramCache]: Analyzing trace with hash -1201442669, now seen corresponding path program 1 times [2018-11-18 15:59:18,247 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:59:18,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:59:18,248 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:59:18,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:59:18,248 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:59:18,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:59:19,390 INFO L134 CoverageAnalysis]: Checked inductivity of 6492 backedges. 1695 proven. 158 refuted. 0 times theorem prover too weak. 4639 trivial. 0 not checked. [2018-11-18 15:59:19,390 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:59:19,391 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 15:59:19,391 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1740 with the following transitions: [2018-11-18 15:59:19,391 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1028], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 15:59:19,393 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 15:59:19,394 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 15:59:19,989 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 15:59:19,989 INFO L272 AbstractInterpreter]: Visited 272 different actions 1099 times. Merged at 13 different actions 46 times. Widened at 1 different actions 1 times. Performed 12953 root evaluator evaluations with a maximum evaluation depth of 18. Performed 12953 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 16 fixpoints after 6 different actions. Largest state had 24 variables. [2018-11-18 15:59:19,997 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:59:19,997 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 15:59:19,997 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:59:19,997 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b36bfa69-9678-4219-ae94-c8d6a314f792/bin-2019/utaipan/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 15:59:20,004 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:59:20,004 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 15:59:20,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:59:20,187 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:59:21,018 INFO L134 CoverageAnalysis]: Checked inductivity of 6492 backedges. 2953 proven. 2 refuted. 0 times theorem prover too weak. 3537 trivial. 0 not checked. [2018-11-18 15:59:21,018 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:59:21,912 INFO L134 CoverageAnalysis]: Checked inductivity of 6492 backedges. 1695 proven. 158 refuted. 0 times theorem prover too weak. 4639 trivial. 0 not checked. [2018-11-18 15:59:21,939 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 15:59:21,939 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-18 15:59:21,939 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 15:59:21,941 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 15:59:21,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 15:59:21,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-18 15:59:21,941 INFO L87 Difference]: Start difference. First operand 11798 states and 12310 transitions. Second operand 9 states. [2018-11-18 15:59:23,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:59:23,242 INFO L93 Difference]: Finished difference Result 20753 states and 21567 transitions. [2018-11-18 15:59:23,242 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 15:59:23,242 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1739 [2018-11-18 15:59:23,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:59:23,253 INFO L225 Difference]: With dead ends: 20753 [2018-11-18 15:59:23,254 INFO L226 Difference]: Without dead ends: 11342 [2018-11-18 15:59:23,262 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3495 GetRequests, 3479 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2018-11-18 15:59:23,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11342 states. [2018-11-18 15:59:23,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11342 to 11319. [2018-11-18 15:59:23,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11319 states. [2018-11-18 15:59:23,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11319 states to 11319 states and 11573 transitions. [2018-11-18 15:59:23,336 INFO L78 Accepts]: Start accepts. Automaton has 11319 states and 11573 transitions. Word has length 1739 [2018-11-18 15:59:23,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:59:23,337 INFO L480 AbstractCegarLoop]: Abstraction has 11319 states and 11573 transitions. [2018-11-18 15:59:23,337 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 15:59:23,337 INFO L276 IsEmpty]: Start isEmpty. Operand 11319 states and 11573 transitions. [2018-11-18 15:59:23,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1879 [2018-11-18 15:59:23,353 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:59:23,353 INFO L375 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:59:23,353 INFO L423 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:59:23,354 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:59:23,354 INFO L82 PathProgramCache]: Analyzing trace with hash 282977237, now seen corresponding path program 1 times [2018-11-18 15:59:23,354 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:59:23,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:59:23,354 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:59:23,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:59:23,355 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:59:23,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:59:26,635 INFO L134 CoverageAnalysis]: Checked inductivity of 6703 backedges. 2572 proven. 1143 refuted. 0 times theorem prover too weak. 2988 trivial. 0 not checked. [2018-11-18 15:59:26,635 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:59:26,635 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 15:59:26,635 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1879 with the following transitions: [2018-11-18 15:59:26,636 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [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], [173], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1560], [1566], [1570], [1572], [1577], [1578], [1579], [1580], [1581], [1583], [1584] [2018-11-18 15:59:26,639 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 15:59:26,639 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 15:59:27,370 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 15:59:27,370 INFO L272 AbstractInterpreter]: Visited 354 different actions 1414 times. Merged at 13 different actions 42 times. Never widened. Performed 17351 root evaluator evaluations with a maximum evaluation depth of 18. Performed 17351 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 16 fixpoints after 6 different actions. Largest state had 24 variables. [2018-11-18 15:59:27,375 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:59:27,375 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 15:59:27,375 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:59:27,375 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b36bfa69-9678-4219-ae94-c8d6a314f792/bin-2019/utaipan/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 15:59:27,382 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:59:27,382 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 15:59:27,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:59:27,578 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:59:28,639 INFO L134 CoverageAnalysis]: Checked inductivity of 6703 backedges. 4740 proven. 6 refuted. 0 times theorem prover too weak. 1957 trivial. 0 not checked. [2018-11-18 15:59:28,640 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:59:30,476 INFO L134 CoverageAnalysis]: Checked inductivity of 6703 backedges. 1801 proven. 853 refuted. 0 times theorem prover too weak. 4049 trivial. 0 not checked. [2018-11-18 15:59:30,493 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 15:59:30,493 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 8, 8] total 25 [2018-11-18 15:59:30,493 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 15:59:30,494 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-11-18 15:59:30,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-11-18 15:59:30,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=505, Unknown=0, NotChecked=0, Total=600 [2018-11-18 15:59:30,495 INFO L87 Difference]: Start difference. First operand 11319 states and 11573 transitions. Second operand 20 states. [2018-11-18 15:59:39,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:59:39,216 INFO L93 Difference]: Finished difference Result 20867 states and 21411 transitions. [2018-11-18 15:59:39,216 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2018-11-18 15:59:39,216 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 1878 [2018-11-18 15:59:39,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:59:39,229 INFO L225 Difference]: With dead ends: 20867 [2018-11-18 15:59:39,229 INFO L226 Difference]: Without dead ends: 12285 [2018-11-18 15:59:39,236 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3876 GetRequests, 3792 SyntacticMatches, 2 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1907 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1295, Invalid=5677, Unknown=0, NotChecked=0, Total=6972 [2018-11-18 15:59:39,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12285 states. [2018-11-18 15:59:39,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12285 to 11323. [2018-11-18 15:59:39,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11323 states. [2018-11-18 15:59:39,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11323 states to 11323 states and 11554 transitions. [2018-11-18 15:59:39,316 INFO L78 Accepts]: Start accepts. Automaton has 11323 states and 11554 transitions. Word has length 1878 [2018-11-18 15:59:39,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:59:39,316 INFO L480 AbstractCegarLoop]: Abstraction has 11323 states and 11554 transitions. [2018-11-18 15:59:39,317 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-11-18 15:59:39,317 INFO L276 IsEmpty]: Start isEmpty. Operand 11323 states and 11554 transitions. [2018-11-18 15:59:39,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1979 [2018-11-18 15:59:39,334 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:59:39,335 INFO L375 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-18 15:59:39,335 INFO L423 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:59:39,335 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:59:39,335 INFO L82 PathProgramCache]: Analyzing trace with hash 1272882736, now seen corresponding path program 1 times [2018-11-18 15:59:39,335 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:59:39,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:59:39,336 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:59:39,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:59:39,336 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:59:39,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:59:40,866 INFO L134 CoverageAnalysis]: Checked inductivity of 7540 backedges. 2101 proven. 2 refuted. 0 times theorem prover too weak. 5437 trivial. 0 not checked. [2018-11-18 15:59:40,866 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:59:40,866 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 15:59:40,866 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1979 with the following transitions: [2018-11-18 15:59:40,866 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [680], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1028], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 15:59:40,868 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 15:59:40,868 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 15:59:41,705 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 15:59:41,705 INFO L272 AbstractInterpreter]: Visited 291 different actions 1164 times. Merged at 12 different actions 35 times. Never widened. Performed 13949 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13949 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 15 fixpoints after 8 different actions. Largest state had 24 variables. [2018-11-18 15:59:41,707 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:59:41,707 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 15:59:41,707 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:59:41,707 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b36bfa69-9678-4219-ae94-c8d6a314f792/bin-2019/utaipan/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 15:59:41,722 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:59:41,722 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 15:59:41,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:59:41,922 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:59:42,862 INFO L134 CoverageAnalysis]: Checked inductivity of 7540 backedges. 2101 proven. 2 refuted. 0 times theorem prover too weak. 5437 trivial. 0 not checked. [2018-11-18 15:59:42,862 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:59:44,172 INFO L134 CoverageAnalysis]: Checked inductivity of 7540 backedges. 2101 proven. 2 refuted. 0 times theorem prover too weak. 5437 trivial. 0 not checked. [2018-11-18 15:59:44,188 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 15:59:44,188 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 8 [2018-11-18 15:59:44,188 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 15:59:44,189 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 15:59:44,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 15:59:44,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-11-18 15:59:44,189 INFO L87 Difference]: Start difference. First operand 11323 states and 11554 transitions. Second operand 7 states. [2018-11-18 15:59:45,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:59:45,623 INFO L93 Difference]: Finished difference Result 26721 states and 27357 transitions. [2018-11-18 15:59:45,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 15:59:45,623 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1978 [2018-11-18 15:59:45,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:59:45,638 INFO L225 Difference]: With dead ends: 26721 [2018-11-18 15:59:45,638 INFO L226 Difference]: Without dead ends: 15404 [2018-11-18 15:59:45,646 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3969 GetRequests, 3957 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2018-11-18 15:59:45,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15404 states. [2018-11-18 15:59:45,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15404 to 14387. [2018-11-18 15:59:45,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14387 states. [2018-11-18 15:59:45,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14387 states to 14387 states and 14707 transitions. [2018-11-18 15:59:45,748 INFO L78 Accepts]: Start accepts. Automaton has 14387 states and 14707 transitions. Word has length 1978 [2018-11-18 15:59:45,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:59:45,749 INFO L480 AbstractCegarLoop]: Abstraction has 14387 states and 14707 transitions. [2018-11-18 15:59:45,749 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 15:59:45,749 INFO L276 IsEmpty]: Start isEmpty. Operand 14387 states and 14707 transitions. [2018-11-18 15:59:45,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2026 [2018-11-18 15:59:45,768 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:59:45,769 INFO L375 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-18 15:59:45,769 INFO L423 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:59:45,769 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:59:45,769 INFO L82 PathProgramCache]: Analyzing trace with hash -287149089, now seen corresponding path program 1 times [2018-11-18 15:59:45,769 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:59:45,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:59:45,770 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:59:45,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:59:45,770 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:59:45,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:59:47,940 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 1457 proven. 885 refuted. 0 times theorem prover too weak. 5470 trivial. 0 not checked. [2018-11-18 15:59:47,940 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:59:47,940 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 15:59:47,941 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 2026 with the following transitions: [2018-11-18 15:59:47,941 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [680], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1216], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 15:59:47,943 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 15:59:47,943 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 15:59:48,819 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 15:59:48,819 INFO L272 AbstractInterpreter]: Visited 291 different actions 1168 times. Merged at 13 different actions 39 times. Never widened. Performed 13967 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13967 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 15 fixpoints after 6 different actions. Largest state had 24 variables. [2018-11-18 15:59:48,821 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:59:48,821 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 15:59:48,821 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:59:48,821 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b36bfa69-9678-4219-ae94-c8d6a314f792/bin-2019/utaipan/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 15:59:48,827 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:59:48,827 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 15:59:49,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:59:49,029 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:59:50,324 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 5138 proven. 2 refuted. 0 times theorem prover too weak. 2672 trivial. 0 not checked. [2018-11-18 15:59:50,324 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:59:53,208 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 1457 proven. 885 refuted. 0 times theorem prover too weak. 5470 trivial. 0 not checked. [2018-11-18 15:59:53,224 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 15:59:53,224 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-11-18 15:59:53,224 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 15:59:53,226 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 15:59:53,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 15:59:53,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2018-11-18 15:59:53,226 INFO L87 Difference]: Start difference. First operand 14387 states and 14707 transitions. Second operand 11 states. [2018-11-18 15:59:55,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:59:55,938 INFO L93 Difference]: Finished difference Result 25725 states and 26338 transitions. [2018-11-18 15:59:55,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-18 15:59:55,939 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 2025 [2018-11-18 15:59:55,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:59:55,954 INFO L225 Difference]: With dead ends: 25725 [2018-11-18 15:59:55,954 INFO L226 Difference]: Without dead ends: 14418 [2018-11-18 15:59:55,962 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4092 GetRequests, 4062 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=210, Invalid=660, Unknown=0, NotChecked=0, Total=870 [2018-11-18 15:59:55,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14418 states. [2018-11-18 15:59:56,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14418 to 14045. [2018-11-18 15:59:56,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14045 states. [2018-11-18 15:59:56,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14045 states to 14045 states and 14334 transitions. [2018-11-18 15:59:56,067 INFO L78 Accepts]: Start accepts. Automaton has 14045 states and 14334 transitions. Word has length 2025 [2018-11-18 15:59:56,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:59:56,068 INFO L480 AbstractCegarLoop]: Abstraction has 14045 states and 14334 transitions. [2018-11-18 15:59:56,068 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 15:59:56,068 INFO L276 IsEmpty]: Start isEmpty. Operand 14045 states and 14334 transitions. [2018-11-18 15:59:56,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2268 [2018-11-18 15:59:56,091 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:59:56,091 INFO L375 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:59:56,092 INFO L423 AbstractCegarLoop]: === Iteration 21 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:59:56,092 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:59:56,092 INFO L82 PathProgramCache]: Analyzing trace with hash -732633043, now seen corresponding path program 1 times [2018-11-18 15:59:56,092 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:59:56,093 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:59:56,093 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:59:56,093 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:59:56,093 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:59:56,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:03,279 INFO L134 CoverageAnalysis]: Checked inductivity of 10016 backedges. 1462 proven. 6082 refuted. 0 times theorem prover too weak. 2472 trivial. 0 not checked. [2018-11-18 16:00:03,280 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:00:03,280 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 16:00:03,280 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 2268 with the following transitions: [2018-11-18 16:00:03,280 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [680], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1216], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1396], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 16:00:03,282 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 16:00:03,282 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 16:00:04,139 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 16:00:04,139 INFO L272 AbstractInterpreter]: Visited 293 different actions 1176 times. Merged at 12 different actions 39 times. Widened at 1 different actions 1 times. Performed 14163 root evaluator evaluations with a maximum evaluation depth of 22. Performed 14163 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 18 fixpoints after 11 different actions. Largest state had 24 variables. [2018-11-18 16:00:04,149 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:00:04,149 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 16:00:04,149 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:00:04,149 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b36bfa69-9678-4219-ae94-c8d6a314f792/bin-2019/utaipan/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 16:00:04,157 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:00:04,157 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 16:00:04,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:04,417 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:00:05,789 INFO L134 CoverageAnalysis]: Checked inductivity of 10016 backedges. 5494 proven. 2 refuted. 0 times theorem prover too weak. 4520 trivial. 0 not checked. [2018-11-18 16:00:05,789 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 16:00:07,695 INFO L134 CoverageAnalysis]: Checked inductivity of 10016 backedges. 1238 proven. 749 refuted. 0 times theorem prover too weak. 8029 trivial. 0 not checked. [2018-11-18 16:00:07,711 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 16:00:07,712 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 5, 5] total 30 [2018-11-18 16:00:07,712 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 16:00:07,714 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-11-18 16:00:07,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-11-18 16:00:07,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=742, Unknown=0, NotChecked=0, Total=870 [2018-11-18 16:00:07,714 INFO L87 Difference]: Start difference. First operand 14045 states and 14334 transitions. Second operand 28 states. [2018-11-18 16:00:17,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:00:17,609 INFO L93 Difference]: Finished difference Result 28840 states and 29525 transitions. [2018-11-18 16:00:17,609 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2018-11-18 16:00:17,609 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 2267 [2018-11-18 16:00:17,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:00:17,610 INFO L225 Difference]: With dead ends: 28840 [2018-11-18 16:00:17,610 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 16:00:17,627 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4679 GetRequests, 4582 SyntacticMatches, 7 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2744 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=1267, Invalid=7105, Unknown=0, NotChecked=0, Total=8372 [2018-11-18 16:00:17,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 16:00:17,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 16:00:17,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 16:00:17,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 16:00:17,628 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2267 [2018-11-18 16:00:17,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:00:17,628 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 16:00:17,629 INFO L481 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-11-18 16:00:17,629 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 16:00:17,629 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 16:00:17,632 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 16:00:17,689 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:17,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:17,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:17,732 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:17,762 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:17,781 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:17,786 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:17,793 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:17,845 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:17,850 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:17,868 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:17,870 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:17,871 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:17,878 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:17,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:17,897 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:17,909 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:17,917 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:17,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:17,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:17,945 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:17,953 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:18,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:18,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:18,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:18,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:18,059 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:18,062 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:18,070 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:18,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:18,085 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:18,171 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:18,172 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:18,172 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:18,190 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:18,194 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:18,199 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:18,207 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:18,215 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:18,219 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:18,222 WARN L180 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 509 DAG size of output: 403 [2018-11-18 16:00:18,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:18,510 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:20,124 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:20,141 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:20,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:20,193 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:20,210 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:20,234 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:20,270 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:20,301 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:20,302 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:20,318 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:20,323 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:20,339 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:20,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:20,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:20,366 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:20,368 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:20,372 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:20,407 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:20,429 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:20,449 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:20,459 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:20,466 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:20,487 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:20,583 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:20,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:20,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:20,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:20,625 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:20,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:20,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:00:20,644 WARN L180 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 552 DAG size of output: 470 [2018-11-18 16:00:22,111 WARN L180 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 386 DAG size of output: 102 [2018-11-18 16:00:24,594 WARN L180 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 478 DAG size of output: 143 [2018-11-18 16:00:26,533 WARN L180 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 448 DAG size of output: 142 [2018-11-18 16:00:30,258 WARN L180 SmtUtils]: Spent 3.71 s on a formula simplification. DAG size of input: 510 DAG size of output: 171 [2018-11-18 16:00:31,986 WARN L180 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 457 DAG size of output: 103 [2018-11-18 16:00:31,995 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:00:31,996 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a16~0)| ~a16~0) (= ~a18~0 |old(~a18~0)|) (= |old(~a15~0)| ~a15~0) (= |old(~a12~0)| ~a12~0)) [2018-11-18 16:00:31,996 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:00:31,996 INFO L425 ceAbstractionStarter]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2018-11-18 16:00:31,996 INFO L425 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2018-11-18 16:00:31,996 INFO L425 ceAbstractionStarter]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2018-11-18 16:00:31,996 INFO L425 ceAbstractionStarter]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2018-11-18 16:00:31,996 INFO L425 ceAbstractionStarter]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2018-11-18 16:00:31,996 INFO L425 ceAbstractionStarter]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2018-11-18 16:00:31,996 INFO L425 ceAbstractionStarter]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2018-11-18 16:00:31,996 INFO L425 ceAbstractionStarter]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2018-11-18 16:00:31,996 INFO L425 ceAbstractionStarter]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2018-11-18 16:00:31,996 INFO L425 ceAbstractionStarter]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2018-11-18 16:00:31,996 INFO L425 ceAbstractionStarter]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2018-11-18 16:00:31,996 INFO L425 ceAbstractionStarter]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2018-11-18 16:00:31,996 INFO L425 ceAbstractionStarter]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2018-11-18 16:00:31,996 INFO L425 ceAbstractionStarter]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2018-11-18 16:00:31,996 INFO L425 ceAbstractionStarter]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2018-11-18 16:00:31,996 INFO L425 ceAbstractionStarter]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2018-11-18 16:00:31,996 INFO L425 ceAbstractionStarter]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2018-11-18 16:00:31,996 INFO L425 ceAbstractionStarter]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2018-11-18 16:00:31,996 INFO L425 ceAbstractionStarter]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2018-11-18 16:00:31,996 INFO L425 ceAbstractionStarter]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2018-11-18 16:00:31,996 INFO L425 ceAbstractionStarter]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2018-11-18 16:00:31,997 INFO L425 ceAbstractionStarter]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2018-11-18 16:00:31,997 INFO L425 ceAbstractionStarter]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2018-11-18 16:00:31,997 INFO L425 ceAbstractionStarter]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2018-11-18 16:00:31,997 INFO L425 ceAbstractionStarter]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2018-11-18 16:00:31,997 INFO L425 ceAbstractionStarter]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2018-11-18 16:00:31,997 INFO L425 ceAbstractionStarter]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2018-11-18 16:00:31,997 INFO L425 ceAbstractionStarter]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2018-11-18 16:00:31,997 INFO L425 ceAbstractionStarter]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2018-11-18 16:00:31,997 INFO L421 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse20 (= 8 |old(~a12~0)|)) (.cse23 (= 3 |old(~a15~0)|)) (.cse24 (= 5 |old(~a12~0)|)) (.cse25 (= 8 |old(~a16~0)|))) (let ((.cse27 (not .cse25)) (.cse28 (not .cse24)) (.cse19 (= |old(~a15~0)| ~a15~0)) (.cse32 (= ~a16~0 |old(~a16~0)|)) (.cse14 (= ~a18~0 |old(~a18~0)|)) (.cse13 (= |old(~a12~0)| ~a12~0)) (.cse4 (not .cse23)) (.cse5 (not (= 11 |old(~a16~0)|))) (.cse21 (< 8 |old(~a16~0)|)) (.cse16 (not .cse20)) (.cse17 (= 4 |old(~a15~0)|))) (let ((.cse1 (< 0 (+ |old(~a18~0)| 156))) (.cse2 (<= (+ ~a18~0 156) 0)) (.cse8 (< |old(~a12~0)| 6)) (.cse7 (not .cse17)) (.cse18 (< |old(~a16~0)| 12)) (.cse29 (= ~a16~0 10)) (.cse30 (not (= 10 |old(~a16~0)|))) (.cse11 (= |old(~a16~0)| ~a16~0)) (.cse12 (= ~a15~0 |old(~a15~0)|)) (.cse10 (or (or .cse17 .cse21) .cse16)) (.cse15 (and (or .cse4 .cse16 .cse5) (or .cse4 (= 0 |old(~a18~0)|) (= 0 |old(~a12~0)|) .cse5))) (.cse6 (and .cse19 .cse32 .cse14 .cse13)) (.cse22 (= 6 |old(~a12~0)|)) (.cse26 (<= ~a18~0 |old(~a18~0)|)) (.cse9 (not (= 9 |old(~a16~0)|))) (.cse0 (and (or .cse27 .cse4 .cse28) (or .cse4 .cse28 (not (= (+ |old(~a18~0)| 87) 0)) .cse5))) (.cse3 (< 134 ~a18~0))) (and (or .cse0 .cse1 (or .cse2 .cse3)) (or (or .cse4 .cse5) .cse6 (not (= 9 |old(~a12~0)|))) (or .cse7 .cse8 .cse6 .cse9) (or .cse10 (and (and .cse11 .cse12 .cse13) .cse14) .cse1) (or .cse15 .cse16 .cse6) (or .cse6 .cse17 .cse8 .cse18) (or (or .cse2 (< 0 (+ ~a18~0 79))) .cse0 (<= (+ |old(~a18~0)| 79) 0)) (or (and .cse11 .cse19 .cse13) .cse17 .cse20 .cse21) (or (< 0 (+ |old(~a18~0)| 388559)) .cse22 (and .cse23 .cse24 .cse25) .cse17 .cse26 .cse21) (or .cse7 .cse27 .cse28 .cse6) (or .cse7 .cse27 .cse8 .cse6) (or .cse6 (or .cse4 (not (= 7 |old(~a12~0)|)) .cse5)) (or .cse7 .cse28 .cse6 .cse9) (or .cse7 (and .cse19 .cse14 .cse29 .cse13) .cse30 (< 7 |old(~a12~0)|)) (or .cse4 .cse28 .cse6 .cse18) (or .cse17 (and .cse26 .cse19 .cse29 .cse13) .cse30) (or .cse27 (and .cse11 .cse14 .cse12 .cse13) .cse10 (forall ((v_prenex_5 Int)) (let ((.cse31 (* 5 (div (* 10 v_prenex_5) (- 5))))) (or (< 0 (+ v_prenex_5 79)) (< |old(~a18~0)| (div .cse31 5)) (< .cse31 5))))) (or .cse28 .cse15 (and .cse32 .cse14 (= ~a12~0 5) .cse19)) (or .cse15 .cse6 (not .cse22)) (or (and .cse32 .cse26 .cse19 .cse13) .cse17 .cse9) (or .cse0 .cse3 (<= |old(~a18~0)| 134)))))) [2018-11-18 16:00:31,997 INFO L425 ceAbstractionStarter]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2018-11-18 16:00:31,997 INFO L425 ceAbstractionStarter]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2018-11-18 16:00:31,997 INFO L425 ceAbstractionStarter]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2018-11-18 16:00:31,998 INFO L425 ceAbstractionStarter]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2018-11-18 16:00:31,998 INFO L425 ceAbstractionStarter]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2018-11-18 16:00:31,998 INFO L425 ceAbstractionStarter]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2018-11-18 16:00:31,998 INFO L425 ceAbstractionStarter]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2018-11-18 16:00:31,998 INFO L425 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2018-11-18 16:00:31,998 INFO L425 ceAbstractionStarter]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2018-11-18 16:00:31,998 INFO L425 ceAbstractionStarter]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2018-11-18 16:00:31,998 INFO L425 ceAbstractionStarter]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2018-11-18 16:00:31,998 INFO L425 ceAbstractionStarter]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2018-11-18 16:00:31,998 INFO L425 ceAbstractionStarter]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2018-11-18 16:00:31,998 INFO L425 ceAbstractionStarter]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2018-11-18 16:00:31,998 INFO L425 ceAbstractionStarter]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2018-11-18 16:00:31,998 INFO L425 ceAbstractionStarter]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2018-11-18 16:00:31,998 INFO L425 ceAbstractionStarter]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2018-11-18 16:00:31,998 INFO L425 ceAbstractionStarter]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2018-11-18 16:00:31,998 INFO L425 ceAbstractionStarter]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2018-11-18 16:00:31,998 INFO L425 ceAbstractionStarter]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2018-11-18 16:00:31,998 INFO L425 ceAbstractionStarter]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2018-11-18 16:00:31,998 INFO L425 ceAbstractionStarter]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 16:00:31,999 INFO L425 ceAbstractionStarter]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 16:00:31,999 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 16:00:31,999 INFO L425 ceAbstractionStarter]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2018-11-18 16:00:31,999 INFO L425 ceAbstractionStarter]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2018-11-18 16:00:31,999 INFO L425 ceAbstractionStarter]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2018-11-18 16:00:31,999 INFO L425 ceAbstractionStarter]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2018-11-18 16:00:31,999 INFO L425 ceAbstractionStarter]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2018-11-18 16:00:31,999 INFO L425 ceAbstractionStarter]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2018-11-18 16:00:31,999 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-18 16:00:31,999 INFO L425 ceAbstractionStarter]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2018-11-18 16:00:31,999 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-18 16:00:31,999 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-18 16:00:31,999 INFO L421 ceAbstractionStarter]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse24 (= 8 |old(~a12~0)|))) (let ((.cse11 (= 4 |old(~a15~0)|)) (.cse22 (= |old(~a16~0)| ~a16~0)) (.cse27 (<= ~a18~0 |old(~a18~0)|)) (.cse21 (not (= 8 |old(~a16~0)|))) (.cse16 (not (= 5 |old(~a12~0)|))) (.cse6 (not (= calculate_output_~input 0))) (.cse23 (= |old(~a15~0)| ~a15~0)) (.cse7 (= ~a16~0 |old(~a16~0)|)) (.cse8 (= ~a18~0 |old(~a18~0)|)) (.cse9 (= |old(~a12~0)| ~a12~0)) (.cse35 (+ ~a18~0 156)) (.cse10 (not .cse24)) (.cse15 (not (= 3 |old(~a15~0)|))) (.cse31 (not (= 11 |old(~a16~0)|)))) (let ((.cse12 (< |old(~a12~0)| 6)) (.cse1 (and (or .cse15 .cse10 .cse31) (or .cse15 (= 0 |old(~a18~0)|) .cse31))) (.cse5 (< 0 .cse35)) (.cse14 (and .cse23 .cse7 .cse8 .cse9)) (.cse13 (< |old(~a16~0)| 12)) (.cse17 (not (= 9 |old(~a16~0)|))) (.cse0 (and .cse23 .cse6 .cse7 .cse8 .cse9)) (.cse29 (< 0 (+ |old(~a18~0)| 156))) (.cse20 (and (or .cse21 .cse15 .cse16) (or .cse15 .cse16 (not (= (+ |old(~a18~0)| 87) 0)) .cse31))) (.cse30 (<= .cse35 0)) (.cse19 (< 134 ~a18~0)) (.cse2 (= |calculate_output_#in~input| 0)) (.cse28 (and (and (not (= ~a12~0 6)) (not (= ~a15~0 4)) .cse22 .cse27) (= ~a15~0 |old(~a15~0)|) .cse9)) (.cse18 (not .cse11)) (.cse32 (= ~a16~0 10)) (.cse33 (not (= 10 |old(~a16~0)|))) (.cse3 (= 6 |old(~a12~0)|)) (.cse4 (= ~a15~0 3)) (.cse26 (= ~a12~0 5)) (.cse25 (< 8 |old(~a16~0)|))) (and (or .cse0 (or (or .cse1 .cse2) (not .cse3))) (or (and .cse4 (or (not (= calculate_output_~input 3)) .cse5) .cse6 .cse7 .cse8 .cse9) .cse10 .cse2 .cse1) (or .cse11 .cse12 .cse13 .cse14) (or .cse15 .cse16 .cse2 .cse6 .cse17) (or .cse18 .cse12 .cse14 .cse17) (or .cse19 .cse2 .cse20 (<= |old(~a18~0)| 134)) (or .cse18 .cse21 .cse14 .cse12) (or (and .cse22 .cse23 .cse9) .cse11 .cse24 .cse25) (or .cse16 .cse2 .cse1 (and .cse6 .cse7 .cse8 .cse26 .cse23)) (or (and .cse23 .cse7 .cse8 (or (not (= calculate_output_~input 4)) .cse5) .cse9) (or .cse18 .cse16 .cse17)) (or .cse18 .cse21 .cse16 .cse14) (or .cse0 .cse15 .cse16 .cse13 .cse2) (or (and .cse27 .cse23 .cse7 .cse9) .cse11 .cse17) (or .cse10 .cse11 (and .cse8 .cse28) .cse25 .cse29) (or (or .cse30 (< 0 (+ ~a18~0 79))) (<= (+ |old(~a18~0)| 79) 0) .cse2 .cse20) (or .cse0 (or .cse15 (not (= 7 |old(~a12~0)|)) .cse31 .cse2)) (or .cse20 .cse6 .cse2) (or .cse29 .cse2 .cse20 (or .cse30 .cse19)) (or (or .cse15 .cse31 .cse2) (not (= 9 |old(~a12~0)|)) (and .cse23 .cse7 .cse6 .cse8 .cse9)) (or .cse11 (and .cse27 .cse23 .cse32 .cse9) .cse33) (or .cse15 .cse16 .cse2 .cse6 .cse33) (or .cse21 (and .cse28 .cse8) .cse10 (forall ((v_prenex_5 Int)) (let ((.cse34 (* 5 (div (* 10 v_prenex_5) (- 5))))) (or (< 0 (+ v_prenex_5 79)) (< |old(~a18~0)| (div .cse34 5)) (< .cse34 5)))) .cse11) (or .cse18 (and .cse23 .cse8 .cse32 .cse9) .cse24 (< 8 |old(~a12~0)|) .cse33) (or (< 0 (+ |old(~a18~0)| 388559)) .cse3 (= |old(~a12~0)| 9) (and (= ~a16~0 8) .cse4 .cse26) .cse11 .cse27 (= 7 ~a12~0) .cse25))))) [2018-11-18 16:00:31,999 INFO L425 ceAbstractionStarter]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2018-11-18 16:00:31,999 INFO L425 ceAbstractionStarter]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2018-11-18 16:00:31,999 INFO L425 ceAbstractionStarter]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2018-11-18 16:00:31,999 INFO L425 ceAbstractionStarter]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,000 INFO L425 ceAbstractionStarter]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,000 INFO L425 ceAbstractionStarter]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,000 INFO L425 ceAbstractionStarter]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 16:00:32,000 INFO L425 ceAbstractionStarter]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 16:00:32,000 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 16:00:32,000 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-18 16:00:32,000 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-18 16:00:32,000 INFO L425 ceAbstractionStarter]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,000 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-18 16:00:32,000 INFO L425 ceAbstractionStarter]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,000 INFO L425 ceAbstractionStarter]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,000 INFO L425 ceAbstractionStarter]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,000 INFO L425 ceAbstractionStarter]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,000 INFO L425 ceAbstractionStarter]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,000 INFO L425 ceAbstractionStarter]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,000 INFO L425 ceAbstractionStarter]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,000 INFO L425 ceAbstractionStarter]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 16:00:32,000 INFO L425 ceAbstractionStarter]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 16:00:32,000 INFO L425 ceAbstractionStarter]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 16:00:32,000 INFO L425 ceAbstractionStarter]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,000 INFO L425 ceAbstractionStarter]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,000 INFO L425 ceAbstractionStarter]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,000 INFO L425 ceAbstractionStarter]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,000 INFO L425 ceAbstractionStarter]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,000 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-18 16:00:32,000 INFO L425 ceAbstractionStarter]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,001 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-18 16:00:32,001 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-18 16:00:32,001 INFO L425 ceAbstractionStarter]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,001 INFO L425 ceAbstractionStarter]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,001 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,001 INFO L425 ceAbstractionStarter]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,001 INFO L425 ceAbstractionStarter]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 16:00:32,001 INFO L425 ceAbstractionStarter]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 16:00:32,001 INFO L425 ceAbstractionStarter]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 16:00:32,001 INFO L425 ceAbstractionStarter]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,001 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,001 INFO L425 ceAbstractionStarter]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,001 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-18 16:00:32,001 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-18 16:00:32,001 INFO L425 ceAbstractionStarter]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,001 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-18 16:00:32,001 INFO L425 ceAbstractionStarter]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,001 INFO L425 ceAbstractionStarter]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,001 INFO L425 ceAbstractionStarter]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,001 INFO L425 ceAbstractionStarter]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,001 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 175) no Hoare annotation was computed. [2018-11-18 16:00:32,001 INFO L425 ceAbstractionStarter]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,001 INFO L425 ceAbstractionStarter]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,001 INFO L425 ceAbstractionStarter]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,002 INFO L425 ceAbstractionStarter]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 16:00:32,002 INFO L425 ceAbstractionStarter]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 16:00:32,002 INFO L425 ceAbstractionStarter]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 16:00:32,002 INFO L425 ceAbstractionStarter]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,002 INFO L425 ceAbstractionStarter]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,002 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-18 16:00:32,002 INFO L425 ceAbstractionStarter]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,002 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-18 16:00:32,002 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-18 16:00:32,002 INFO L425 ceAbstractionStarter]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,002 INFO L425 ceAbstractionStarter]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,002 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,002 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,002 INFO L425 ceAbstractionStarter]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 16:00:32,002 INFO L425 ceAbstractionStarter]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 16:00:32,002 INFO L425 ceAbstractionStarter]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 16:00:32,002 INFO L425 ceAbstractionStarter]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,002 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2018-11-18 16:00:32,002 INFO L425 ceAbstractionStarter]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,002 INFO L425 ceAbstractionStarter]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,002 INFO L425 ceAbstractionStarter]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,002 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-18 16:00:32,002 INFO L425 ceAbstractionStarter]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,002 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-18 16:00:32,002 INFO L425 ceAbstractionStarter]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,002 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-18 16:00:32,003 INFO L425 ceAbstractionStarter]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,003 INFO L425 ceAbstractionStarter]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,003 INFO L425 ceAbstractionStarter]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,003 INFO L425 ceAbstractionStarter]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,003 INFO L425 ceAbstractionStarter]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,003 INFO L425 ceAbstractionStarter]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,003 INFO L425 ceAbstractionStarter]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,003 INFO L425 ceAbstractionStarter]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,003 INFO L425 ceAbstractionStarter]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,003 INFO L425 ceAbstractionStarter]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 16:00:32,003 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 16:00:32,003 INFO L425 ceAbstractionStarter]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 16:00:32,003 INFO L425 ceAbstractionStarter]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,003 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-18 16:00:32,003 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-18 16:00:32,003 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-18 16:00:32,003 INFO L425 ceAbstractionStarter]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,003 INFO L425 ceAbstractionStarter]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,003 INFO L425 ceAbstractionStarter]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,003 INFO L425 ceAbstractionStarter]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,003 INFO L425 ceAbstractionStarter]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 16:00:32,003 INFO L425 ceAbstractionStarter]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 16:00:32,003 INFO L425 ceAbstractionStarter]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,003 INFO L425 ceAbstractionStarter]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 16:00:32,003 INFO L425 ceAbstractionStarter]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,004 INFO L425 ceAbstractionStarter]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,004 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,004 INFO L425 ceAbstractionStarter]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,004 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-18 16:00:32,004 INFO L425 ceAbstractionStarter]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,004 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-18 16:00:32,004 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-18 16:00:32,004 INFO L425 ceAbstractionStarter]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,004 INFO L425 ceAbstractionStarter]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,004 INFO L425 ceAbstractionStarter]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,004 INFO L425 ceAbstractionStarter]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,004 INFO L425 ceAbstractionStarter]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,004 INFO L425 ceAbstractionStarter]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,004 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse22 (= 8 |old(~a12~0)|))) (let ((.cse3 (= |old(~a15~0)| ~a15~0)) (.cse19 (= ~a16~0 |old(~a16~0)|)) (.cse20 (= ~a18~0 |old(~a18~0)|)) (.cse4 (= |old(~a12~0)| ~a12~0)) (.cse13 (not .cse22)) (.cse0 (= 4 |old(~a15~0)|)) (.cse12 (not (= 8 |old(~a16~0)|))) (.cse7 (not (= 3 |old(~a15~0)|))) (.cse17 (not (= 5 |old(~a12~0)|))) (.cse8 (not (= 11 |old(~a16~0)|)))) (let ((.cse21 (< |old(~a16~0)| 12)) (.cse11 (< |old(~a12~0)| 6)) (.cse16 (< 0 (+ |old(~a18~0)| 156))) (.cse23 (< 134 ~a18~0)) (.cse26 (= ~a16~0 10)) (.cse27 (not (= 10 |old(~a16~0)|))) (.cse2 (<= ~a18~0 |old(~a18~0)|)) (.cse15 (< 8 |old(~a16~0)|)) (.cse24 (and (or .cse12 .cse7 .cse17) (or .cse7 .cse17 (not (= (+ |old(~a18~0)| 87) 0)) .cse8))) (.cse25 (<= (+ ~a18~0 156) 0)) (.cse10 (not .cse0)) (.cse5 (not (= 9 |old(~a16~0)|))) (.cse18 (and (or .cse7 .cse13 .cse8) (or .cse7 (= 0 |old(~a18~0)|) .cse8))) (.cse28 (= 6 |old(~a12~0)|)) (.cse6 (and .cse3 .cse19 .cse20 .cse4)) (.cse1 (= |old(~a16~0)| ~a16~0)) (.cse9 (= |calculate_output_#in~input| 0))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4) .cse5) (or .cse6 (or .cse7 .cse8 .cse9) (not (= 9 |old(~a12~0)|))) (or .cse10 .cse11 .cse6 .cse5) (or .cse12 .cse6 .cse13 (forall ((v_prenex_5 Int)) (let ((.cse14 (* 5 (div (* 10 v_prenex_5) (- 5))))) (or (< 0 (+ v_prenex_5 79)) (< |old(~a18~0)| (div .cse14 5)) (< .cse14 5))))) (or .cse0 .cse13 .cse6 .cse15 .cse16) (or .cse17 .cse9 .cse18 (and .cse19 .cse20 (= ~a12~0 5) .cse3)) (or .cse6 .cse0 .cse11 .cse21) (or (and .cse1 .cse3 .cse4) .cse0 .cse22 .cse15) (or .cse7 .cse17 .cse6 .cse21 .cse9) (or .cse10 .cse12 .cse17 .cse6) (or .cse13 .cse9 .cse6 .cse18) (or .cse10 .cse12 .cse11 .cse6) (or .cse9 .cse23 .cse24 (<= |old(~a18~0)| 134)) (or .cse16 .cse9 .cse24 (or .cse25 .cse23)) (or .cse10 (and .cse3 .cse20 .cse26 .cse4) .cse27 (< 7 |old(~a12~0)|)) (or .cse0 (and .cse2 .cse26 .cse3 .cse4) .cse27) (or (< 0 (+ |old(~a18~0)| 388559)) .cse28 .cse0 .cse2 .cse15) (or (<= (+ |old(~a18~0)| 79) 0) .cse9 .cse24 (or .cse25 (< 0 (+ ~a18~0 79)))) (or .cse6 (or .cse10 .cse17 .cse5)) (or (or (or .cse18 .cse9) (not .cse28)) .cse6) (or (and .cse1 .cse20 (= ~a15~0 |old(~a15~0)|) .cse4) (or .cse7 (not (= 7 |old(~a12~0)|)) .cse8 .cse9)))))) [2018-11-18 16:00:32,004 INFO L425 ceAbstractionStarter]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,004 INFO L425 ceAbstractionStarter]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 16:00:32,004 INFO L425 ceAbstractionStarter]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 16:00:32,004 INFO L425 ceAbstractionStarter]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 16:00:32,004 INFO L425 ceAbstractionStarter]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,005 INFO L425 ceAbstractionStarter]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,005 INFO L425 ceAbstractionStarter]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,005 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,005 INFO L425 ceAbstractionStarter]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,005 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-18 16:00:32,005 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-18 16:00:32,005 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-18 16:00:32,005 INFO L425 ceAbstractionStarter]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,005 INFO L425 ceAbstractionStarter]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,005 INFO L425 ceAbstractionStarter]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,005 INFO L425 ceAbstractionStarter]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,005 INFO L425 ceAbstractionStarter]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,005 INFO L425 ceAbstractionStarter]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 16:00:32,005 INFO L425 ceAbstractionStarter]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 16:00:32,005 INFO L425 ceAbstractionStarter]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,005 INFO L425 ceAbstractionStarter]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 16:00:32,005 INFO L425 ceAbstractionStarter]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,005 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,005 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-18 16:00:32,005 INFO L425 ceAbstractionStarter]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,005 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-18 16:00:32,005 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-18 16:00:32,005 INFO L425 ceAbstractionStarter]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,005 INFO L425 ceAbstractionStarter]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,005 INFO L425 ceAbstractionStarter]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,005 INFO L425 ceAbstractionStarter]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,006 INFO L425 ceAbstractionStarter]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,006 INFO L425 ceAbstractionStarter]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,006 INFO L425 ceAbstractionStarter]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 16:00:32,006 INFO L425 ceAbstractionStarter]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 16:00:32,006 INFO L425 ceAbstractionStarter]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 16:00:32,006 INFO L425 ceAbstractionStarter]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,006 INFO L425 ceAbstractionStarter]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,006 INFO L425 ceAbstractionStarter]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,006 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-18 16:00:32,006 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-18 16:00:32,006 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-18 16:00:32,006 INFO L425 ceAbstractionStarter]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,006 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,006 INFO L425 ceAbstractionStarter]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,006 INFO L425 ceAbstractionStarter]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,006 INFO L425 ceAbstractionStarter]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,006 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,006 INFO L425 ceAbstractionStarter]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 16:00:32,006 INFO L425 ceAbstractionStarter]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 16:00:32,006 INFO L425 ceAbstractionStarter]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 16:00:32,006 INFO L425 ceAbstractionStarter]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,006 INFO L425 ceAbstractionStarter]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,006 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,006 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-18 16:00:32,006 INFO L425 ceAbstractionStarter]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,006 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-18 16:00:32,007 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-18 16:00:32,007 INFO L425 ceAbstractionStarter]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,007 INFO L425 ceAbstractionStarter]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,007 INFO L425 ceAbstractionStarter]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,007 INFO L425 ceAbstractionStarter]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,007 INFO L425 ceAbstractionStarter]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,007 INFO L425 ceAbstractionStarter]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,007 INFO L425 ceAbstractionStarter]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,007 INFO L425 ceAbstractionStarter]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 16:00:32,007 INFO L425 ceAbstractionStarter]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 16:00:32,007 INFO L425 ceAbstractionStarter]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 16:00:32,007 INFO L425 ceAbstractionStarter]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,007 INFO L425 ceAbstractionStarter]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,007 INFO L425 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-11-18 16:00:32,007 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-18 16:00:32,007 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-18 16:00:32,007 INFO L425 ceAbstractionStarter]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,007 INFO L425 ceAbstractionStarter]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,007 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,007 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,007 INFO L425 ceAbstractionStarter]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,007 INFO L425 ceAbstractionStarter]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,007 INFO L425 ceAbstractionStarter]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 16:00:32,007 INFO L425 ceAbstractionStarter]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 16:00:32,008 INFO L425 ceAbstractionStarter]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,008 INFO L425 ceAbstractionStarter]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,008 INFO L425 ceAbstractionStarter]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,008 INFO L425 ceAbstractionStarter]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,008 INFO L425 ceAbstractionStarter]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,008 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-18 16:00:32,008 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-18 16:00:32,008 INFO L425 ceAbstractionStarter]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,008 INFO L425 ceAbstractionStarter]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,008 INFO L425 ceAbstractionStarter]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,008 INFO L425 ceAbstractionStarter]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,008 INFO L425 ceAbstractionStarter]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,008 INFO L425 ceAbstractionStarter]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,008 INFO L425 ceAbstractionStarter]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 16:00:32,008 INFO L425 ceAbstractionStarter]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 16:00:32,008 INFO L425 ceAbstractionStarter]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,008 INFO L425 ceAbstractionStarter]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,008 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-18 16:00:32,008 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-18 16:00:32,008 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,008 INFO L425 ceAbstractionStarter]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,008 INFO L425 ceAbstractionStarter]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,008 INFO L425 ceAbstractionStarter]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,008 INFO L425 ceAbstractionStarter]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,008 INFO L425 ceAbstractionStarter]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,009 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,009 INFO L425 ceAbstractionStarter]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,009 INFO L425 ceAbstractionStarter]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,009 INFO L425 ceAbstractionStarter]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 16:00:32,009 INFO L425 ceAbstractionStarter]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 16:00:32,009 INFO L425 ceAbstractionStarter]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,009 INFO L425 ceAbstractionStarter]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,009 INFO L425 ceAbstractionStarter]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,009 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-18 16:00:32,009 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-18 16:00:32,009 INFO L425 ceAbstractionStarter]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,009 INFO L425 ceAbstractionStarter]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,009 INFO L425 ceAbstractionStarter]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,009 INFO L425 ceAbstractionStarter]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,009 INFO L425 ceAbstractionStarter]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,010 INFO L425 ceAbstractionStarter]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 16:00:32,010 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 16:00:32,010 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2018-11-18 16:00:32,010 INFO L425 ceAbstractionStarter]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,010 INFO L425 ceAbstractionStarter]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,010 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-18 16:00:32,010 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-18 16:00:32,010 INFO L425 ceAbstractionStarter]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,010 INFO L425 ceAbstractionStarter]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,010 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,010 INFO L425 ceAbstractionStarter]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,010 INFO L425 ceAbstractionStarter]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,010 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,010 INFO L425 ceAbstractionStarter]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,010 INFO L425 ceAbstractionStarter]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,011 INFO L425 ceAbstractionStarter]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,011 INFO L425 ceAbstractionStarter]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,011 INFO L425 ceAbstractionStarter]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,011 INFO L425 ceAbstractionStarter]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 16:00:32,011 INFO L425 ceAbstractionStarter]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 16:00:32,011 INFO L425 ceAbstractionStarter]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,011 INFO L425 ceAbstractionStarter]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,011 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-18 16:00:32,011 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-18 16:00:32,011 INFO L425 ceAbstractionStarter]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,011 INFO L425 ceAbstractionStarter]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,011 INFO L425 ceAbstractionStarter]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,011 INFO L425 ceAbstractionStarter]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,011 INFO L425 ceAbstractionStarter]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,011 INFO L425 ceAbstractionStarter]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,012 INFO L425 ceAbstractionStarter]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 16:00:32,012 INFO L425 ceAbstractionStarter]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 16:00:32,012 INFO L425 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-11-18 16:00:32,012 INFO L425 ceAbstractionStarter]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2018-11-18 16:00:32,012 INFO L425 ceAbstractionStarter]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,012 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,012 INFO L425 ceAbstractionStarter]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,012 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-18 16:00:32,012 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-18 16:00:32,012 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-18 16:00:32,012 INFO L425 ceAbstractionStarter]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,012 INFO L425 ceAbstractionStarter]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,012 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,012 INFO L425 ceAbstractionStarter]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,012 INFO L425 ceAbstractionStarter]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,013 INFO L425 ceAbstractionStarter]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,013 INFO L425 ceAbstractionStarter]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,013 INFO L425 ceAbstractionStarter]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,013 INFO L425 ceAbstractionStarter]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 16:00:32,013 INFO L425 ceAbstractionStarter]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 16:00:32,013 INFO L425 ceAbstractionStarter]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 16:00:32,013 INFO L425 ceAbstractionStarter]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,013 INFO L425 ceAbstractionStarter]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,013 INFO L425 ceAbstractionStarter]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,013 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-18 16:00:32,013 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-18 16:00:32,013 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-18 16:00:32,013 INFO L425 ceAbstractionStarter]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,013 INFO L425 ceAbstractionStarter]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,013 INFO L425 ceAbstractionStarter]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,013 INFO L425 ceAbstractionStarter]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,014 INFO L425 ceAbstractionStarter]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,014 INFO L425 ceAbstractionStarter]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 16:00:32,014 INFO L425 ceAbstractionStarter]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 16:00:32,014 INFO L425 ceAbstractionStarter]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 16:00:32,014 INFO L425 ceAbstractionStarter]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,014 INFO L425 ceAbstractionStarter]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,014 INFO L425 ceAbstractionStarter]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,014 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,014 INFO L425 ceAbstractionStarter]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,014 INFO L425 ceAbstractionStarter]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,014 INFO L425 ceAbstractionStarter]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,014 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-18 16:00:32,014 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-18 16:00:32,014 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-18 16:00:32,014 INFO L425 ceAbstractionStarter]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,014 INFO L425 ceAbstractionStarter]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,014 INFO L425 ceAbstractionStarter]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,014 INFO L425 ceAbstractionStarter]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,015 INFO L425 ceAbstractionStarter]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,015 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,015 INFO L425 ceAbstractionStarter]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 16:00:32,015 INFO L425 ceAbstractionStarter]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 16:00:32,015 INFO L425 ceAbstractionStarter]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 16:00:32,015 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-18 16:00:32,015 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-18 16:00:32,015 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-18 16:00:32,015 INFO L425 ceAbstractionStarter]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,015 INFO L425 ceAbstractionStarter]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,015 INFO L425 ceAbstractionStarter]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2018-11-18 16:00:32,015 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:00:32,015 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (let ((.cse0 (+ ~a18~0 87))) (and (<= .cse0 0) (<= 0 .cse0) (= ~a16~0 11) (= 3 ~a15~0) (= ~a12~0 5))) [2018-11-18 16:00:32,016 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 16:00:32,016 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:00:32,016 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 1767 1783) the Hoare annotation is: (or (and (= ~a16~0 |old(~a16~0)|) (= 3 ~a15~0) (= ~a18~0 |old(~a18~0)|) (= |old(~a12~0)| ~a12~0)) (not (= 3 |old(~a15~0)|)) (not (= 5 |old(~a12~0)|)) (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0))) [2018-11-18 16:00:32,016 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2018-11-18 16:00:32,016 INFO L421 ceAbstractionStarter]: At program point L1781(line 1781) the Hoare annotation is: (let ((.cse9 (= ~a15~0 3)) (.cse2 (= ~a12~0 8))) (let ((.cse5 (<= 6 ~a12~0)) (.cse6 (<= (+ ~a18~0 156) 0)) (.cse1 (<= ~a16~0 8)) (.cse14 (= 6 ~a12~0)) (.cse13 (= |old(~a15~0)| ~a15~0)) (.cse15 (<= |old(~a18~0)| ~a18~0)) (.cse17 (+ |old(~a18~0)| 87)) (.cse11 (= ~a16~0 10)) (.cse4 (= 8 ~a16~0)) (.cse16 (= 5 ~a12~0)) (.cse12 (= 9 ~a16~0)) (.cse0 (not (= ~a15~0 4))) (.cse8 (let ((.cse19 (= ~a16~0 11))) (or (and .cse19 .cse9 (not (= ~a18~0 0))) (and .cse19 .cse9 .cse2)))) (.cse10 (<= 12 ~a16~0)) (.cse7 (not (= main_~input~0 0))) (.cse18 (= ~a12~0 5))) (or (and .cse0 .cse1 (not .cse2)) (not (= 11 |old(~a16~0)|)) (and (exists ((v_prenex_5 Int)) (let ((.cse3 (* 5 (div (* 10 v_prenex_5) (- 5))))) (and (<= 5 .cse3) (<= (+ v_prenex_5 79) 0) (<= (div .cse3 5) ~a18~0)))) .cse4 .cse5) (and .cse6 .cse7 .cse8 (= |old(~a12~0)| ~a12~0)) (and (and .cse7 .cse9) (= ~a12~0 9)) (not (= 3 |old(~a15~0)|)) (and .cse10 (not (= ~a12~0 6)) .cse0 .cse5) (and .cse11 (<= ~a12~0 7)) (and .cse12 .cse5) (and .cse7 (= 7 ~a12~0) .cse13) (and .cse4 (= 4 ~a15~0) .cse5) (and .cse6 (and .cse0 .cse1)) (not (= 5 |old(~a12~0)|)) (and .cse14 .cse7 .cse15 .cse8) (and .cse16 .cse12) (< 0 .cse17) (and .cse14 .cse10 .cse13) (and .cse15 .cse8 .cse7 .cse18) (< .cse17 0) (and .cse0 .cse11) (and .cse4 .cse16) (and .cse12 .cse0) (and (= 8 ~a12~0) .cse7 .cse8) (and .cse10 .cse7 .cse9 .cse18)))) [2018-11-18 16:00:32,016 INFO L425 ceAbstractionStarter]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2018-11-18 16:00:32,016 INFO L425 ceAbstractionStarter]: For program point L1778(line 1778) no Hoare annotation was computed. [2018-11-18 16:00:32,016 INFO L425 ceAbstractionStarter]: For program point L1773-1(lines 1773 1782) no Hoare annotation was computed. [2018-11-18 16:00:32,016 INFO L421 ceAbstractionStarter]: At program point L1773-3(lines 1773 1782) the Hoare annotation is: (let ((.cse20 (= ~a12~0 8)) (.cse18 (= ~a15~0 3))) (let ((.cse19 (= ~a12~0 5)) (.cse17 (let ((.cse21 (= ~a16~0 11))) (or (and .cse21 .cse18 .cse20) (and .cse21 .cse18 (not (= ~a12~0 0)) (not (= ~a18~0 0))))))) (let ((.cse1 (<= ~a16~0 8)) (.cse3 (<= |old(~a18~0)| ~a18~0)) (.cse16 (= 6 ~a12~0)) (.cse9 (not (= ~a12~0 6))) (.cse2 (not .cse20)) (.cse7 (<= 6 ~a12~0)) (.cse15 (+ |old(~a18~0)| 87)) (.cse14 (= |old(~a15~0)| ~a15~0)) (.cse10 (= ~a16~0 10)) (.cse8 (<= 12 ~a16~0)) (.cse6 (= 8 ~a16~0)) (.cse13 (= 5 ~a12~0)) (.cse11 (= 9 ~a16~0)) (.cse0 (not (= ~a15~0 4))) (.cse12 (<= (+ ~a18~0 156) 0)) (.cse4 (and .cse19 .cse17))) (or (and .cse0 .cse1 .cse2) (not (= 11 |old(~a16~0)|)) (and .cse3 .cse4) (and (exists ((v_prenex_5 Int)) (let ((.cse5 (* 5 (div (* 10 v_prenex_5) (- 5))))) (and (<= 5 .cse5) (<= (+ v_prenex_5 79) 0) (<= (div .cse5 5) ~a18~0)))) .cse6 .cse7) (not (= 3 |old(~a15~0)|)) (and .cse8 .cse9 .cse0 .cse7) (and .cse10 (<= ~a12~0 7)) (and .cse11 .cse7) (and .cse6 (= 4 ~a15~0) .cse7) (and .cse12 (and .cse0 .cse1)) (not (= 5 |old(~a12~0)|)) (and .cse13 .cse11) (and .cse14 (= ~a12~0 9)) (< 0 .cse15) (and .cse16 .cse17 .cse3) (and .cse16 .cse8 .cse14) (and (and .cse9 .cse18 .cse2) (<= ~a12~0 8) .cse7) (< .cse15 0) (and (= 8 ~a12~0) .cse14 (= ~a16~0 |old(~a16~0)|)) (and .cse0 .cse10) (and .cse8 (and .cse18 .cse19)) (and .cse6 .cse13) (and .cse11 .cse0) (and .cse12 .cse4))))) [2018-11-18 16:00:32,016 INFO L425 ceAbstractionStarter]: For program point L1773-4(lines 1767 1783) no Hoare annotation was computed. [2018-11-18 16:00:32,021 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 16:00:32,022 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 16:00:32,022 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 16:00:32,027 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 16:00:32,027 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 16:00:32,028 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 16:00:32,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 04:00:32 BoogieIcfgContainer [2018-11-18 16:00:32,031 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 16:00:32,031 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:00:32,031 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:00:32,031 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:00:32,031 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:53:44" (3/4) ... [2018-11-18 16:00:32,034 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 16:00:32,039 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 16:00:32,039 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-11-18 16:00:32,039 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 16:00:32,040 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 16:00:32,057 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-18 16:00:32,059 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 16:00:32,101 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((!(a15 == 4) && a16 <= 8) && !(a12 == 8)) || !(11 == \old(a16))) || (\old(a18) <= a18 && a12 == 5 && (((a16 == 11 && a15 == 3) && a12 == 8) || (((a16 == 11 && a15 == 3) && !(a12 == 0)) && !(a18 == 0))))) || (((\exists v_prenex_5 : int :: (5 <= 5 * (10 * v_prenex_5 / -5) && v_prenex_5 + 79 <= 0) && 5 * (10 * v_prenex_5 / -5) / 5 <= a18) && 8 == a16) && 6 <= a12)) || !(3 == \old(a15))) || (((12 <= a16 && !(a12 == 6)) && !(a15 == 4)) && 6 <= a12)) || (a16 == 10 && a12 <= 7)) || (9 == a16 && 6 <= a12)) || ((8 == a16 && 4 == a15) && 6 <= a12)) || (a18 + 156 <= 0 && !(a15 == 4) && a16 <= 8)) || !(5 == \old(a12))) || (5 == a12 && 9 == a16)) || (\old(a15) == a15 && a12 == 9)) || 0 < \old(a18) + 87) || ((6 == a12 && (((a16 == 11 && a15 == 3) && a12 == 8) || (((a16 == 11 && a15 == 3) && !(a12 == 0)) && !(a18 == 0)))) && \old(a18) <= a18)) || ((6 == a12 && 12 <= a16) && \old(a15) == a15)) || ((((!(a12 == 6) && a15 == 3) && !(a12 == 8)) && a12 <= 8) && 6 <= a12)) || \old(a18) + 87 < 0) || ((8 == a12 && \old(a15) == a15) && a16 == \old(a16))) || (!(a15 == 4) && a16 == 10)) || (12 <= a16 && a15 == 3 && a12 == 5)) || (8 == a16 && 5 == a12)) || (9 == a16 && !(a15 == 4))) || (a18 + 156 <= 0 && a12 == 5 && (((a16 == 11 && a15 == 3) && a12 == 8) || (((a16 == 11 && a15 == 3) && !(a12 == 0)) && !(a18 == 0)))) [2018-11-18 16:00:32,241 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b36bfa69-9678-4219-ae94-c8d6a314f792/bin-2019/utaipan/witness.graphml [2018-11-18 16:00:32,241 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:00:32,241 INFO L168 Benchmark]: Toolchain (without parser) took 410125.54 ms. Allocated memory was 1.0 GB in the beginning and 5.4 GB in the end (delta: 4.3 GB). Free memory was 947.3 MB in the beginning and 786.7 MB in the end (delta: 160.7 MB). Peak memory consumption was 4.5 GB. Max. memory is 11.5 GB. [2018-11-18 16:00:32,242 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:00:32,242 INFO L168 Benchmark]: CACSL2BoogieTranslator took 835.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.4 MB). Free memory was 947.3 MB in the beginning and 1.2 GB in the end (delta: -222.8 MB). Peak memory consumption was 115.2 MB. Max. memory is 11.5 GB. [2018-11-18 16:00:32,242 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 11.5 GB. [2018-11-18 16:00:32,242 INFO L168 Benchmark]: Boogie Preprocessor took 83.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. [2018-11-18 16:00:32,243 INFO L168 Benchmark]: RCFGBuilder took 1497.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 910.8 MB in the end (delta: 246.1 MB). Peak memory consumption was 246.1 MB. Max. memory is 11.5 GB. [2018-11-18 16:00:32,243 INFO L168 Benchmark]: TraceAbstraction took 407462.89 ms. Allocated memory was 1.2 GB in the beginning and 5.4 GB in the end (delta: 4.1 GB). Free memory was 910.8 MB in the beginning and 866.7 MB in the end (delta: 44.0 MB). Peak memory consumption was 4.4 GB. Max. memory is 11.5 GB. [2018-11-18 16:00:32,243 INFO L168 Benchmark]: Witness Printer took 209.97 ms. Allocated memory is still 5.4 GB. Free memory was 866.7 MB in the beginning and 786.7 MB in the end (delta: 80.1 MB). Peak memory consumption was 80.1 MB. Max. memory is 11.5 GB. [2018-11-18 16:00:32,245 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 835.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.4 MB). Free memory was 947.3 MB in the beginning and 1.2 GB in the end (delta: -222.8 MB). Peak memory consumption was 115.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 83.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1497.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 910.8 MB in the end (delta: 246.1 MB). Peak memory consumption was 246.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 407462.89 ms. Allocated memory was 1.2 GB in the beginning and 5.4 GB in the end (delta: 4.1 GB). Free memory was 910.8 MB in the beginning and 866.7 MB in the end (delta: 44.0 MB). Peak memory consumption was 4.4 GB. Max. memory is 11.5 GB. * Witness Printer took 209.97 ms. Allocated memory is still 5.4 GB. Free memory was 866.7 MB in the beginning and 786.7 MB in the end (delta: 80.1 MB). Peak memory consumption was 80.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 175]: 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: 1773]: Loop Invariant [2018-11-18 16:00:32,248 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 16:00:32,248 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 16:00:32,248 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 16:00:32,249 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 16:00:32,249 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-11-18 16:00:32,249 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] Derived loop invariant: ((((((((((((((((((((((((!(a15 == 4) && a16 <= 8) && !(a12 == 8)) || !(11 == \old(a16))) || (\old(a18) <= a18 && a12 == 5 && (((a16 == 11 && a15 == 3) && a12 == 8) || (((a16 == 11 && a15 == 3) && !(a12 == 0)) && !(a18 == 0))))) || (((\exists v_prenex_5 : int :: (5 <= 5 * (10 * v_prenex_5 / -5) && v_prenex_5 + 79 <= 0) && 5 * (10 * v_prenex_5 / -5) / 5 <= a18) && 8 == a16) && 6 <= a12)) || !(3 == \old(a15))) || (((12 <= a16 && !(a12 == 6)) && !(a15 == 4)) && 6 <= a12)) || (a16 == 10 && a12 <= 7)) || (9 == a16 && 6 <= a12)) || ((8 == a16 && 4 == a15) && 6 <= a12)) || (a18 + 156 <= 0 && !(a15 == 4) && a16 <= 8)) || !(5 == \old(a12))) || (5 == a12 && 9 == a16)) || (\old(a15) == a15 && a12 == 9)) || 0 < \old(a18) + 87) || ((6 == a12 && (((a16 == 11 && a15 == 3) && a12 == 8) || (((a16 == 11 && a15 == 3) && !(a12 == 0)) && !(a18 == 0)))) && \old(a18) <= a18)) || ((6 == a12 && 12 <= a16) && \old(a15) == a15)) || ((((!(a12 == 6) && a15 == 3) && !(a12 == 8)) && a12 <= 8) && 6 <= a12)) || \old(a18) + 87 < 0) || ((8 == a12 && \old(a15) == a15) && a16 == \old(a16))) || (!(a15 == 4) && a16 == 10)) || (12 <= a16 && a15 == 3 && a12 == 5)) || (8 == a16 && 5 == a12)) || (9 == a16 && !(a15 == 4))) || (a18 + 156 <= 0 && a12 == 5 && (((a16 == 11 && a15 == 3) && a12 == 8) || (((a16 == 11 && a15 == 3) && !(a12 == 0)) && !(a18 == 0)))) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 410 locations, 1 error locations. SAFE Result, 407.4s OverallTime, 21 OverallIterations, 13 TraceHistogramMax, 333.5s AutomataDifference, 0.0s DeadEndRemovalTime, 14.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 4168 SDtfs, 52594 SDslu, 5756 SDs, 0 SdLazy, 100455 SolverSat, 11425 SolverUnsat, 32 SolverUnknown, 0 SolverNotchecked, 296.4s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 35466 GetRequests, 34975 SyntacticMatches, 29 SemanticMatches, 462 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6299 ImplicationChecksByTransitivity, 7.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20237occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 8.1s AbstIntTime, 16 AbstIntIterations, 5 AbstIntStrong, 0.9981236253287422 AbsIntWeakeningRatio, 0.057912457912457915 AbsIntAvgWeakeningVarsNumRemoved, 16.005050505050505 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 2.3s AutomataMinimizationTime, 21 MinimizatonAttempts, 4862 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 2148 PreInvPairs, 4579 NumberOfFragments, 3001 HoareAnnotationTreeSize, 2148 FomulaSimplifications, 85614 FormulaSimplificationTreeSizeReduction, 2.9s HoareSimplificationTime, 9 FomulaSimplificationsInter, 104402 FormulaSimplificationTreeSizeReductionInter, 11.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.6s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 24.7s InterpolantComputationTime, 36815 NumberOfCodeBlocks, 36815 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 52712 ConstructedInterpolants, 7 QuantifiedInterpolants, 249327851 SizeOfPredicates, 10 NumberOfNonLiveVariables, 20588 ConjunctsInSsa, 57 ConjunctsInUnsatCore, 43 InterpolantComputations, 7 PerfectInterpolantSequences, 153205/167534 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...