./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label28_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9ddafab0-4440-42f5-b9f5-a592d519d55e/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9ddafab0-4440-42f5-b9f5-a592d519d55e/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9ddafab0-4440-42f5-b9f5-a592d519d55e/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9ddafab0-4440-42f5-b9f5-a592d519d55e/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label28_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9ddafab0-4440-42f5-b9f5-a592d519d55e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9ddafab0-4440-42f5-b9f5-a592d519d55e/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 f8826e63977e5204bfb153113fa32b1df4948bea ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 19:35:58,120 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 19:35:58,121 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 19:35:58,130 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 19:35:58,130 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 19:35:58,131 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 19:35:58,132 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 19:35:58,133 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 19:35:58,134 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 19:35:58,135 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 19:35:58,136 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 19:35:58,136 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 19:35:58,137 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 19:35:58,137 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 19:35:58,138 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 19:35:58,139 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 19:35:58,139 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 19:35:58,141 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 19:35:58,142 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 19:35:58,143 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 19:35:58,144 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 19:35:58,145 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 19:35:58,147 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 19:35:58,147 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 19:35:58,147 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 19:35:58,148 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 19:35:58,149 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 19:35:58,149 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 19:35:58,150 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 19:35:58,151 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 19:35:58,151 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 19:35:58,152 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 19:35:58,152 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 19:35:58,152 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 19:35:58,153 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 19:35:58,153 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 19:35:58,153 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9ddafab0-4440-42f5-b9f5-a592d519d55e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 19:35:58,164 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 19:35:58,164 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 19:35:58,165 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 19:35:58,165 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 19:35:58,165 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 19:35:58,165 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 19:35:58,165 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 19:35:58,166 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 19:35:58,166 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 19:35:58,166 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 19:35:58,166 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 19:35:58,166 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 19:35:58,166 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 19:35:58,167 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 19:35:58,167 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 19:35:58,167 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 19:35:58,167 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 19:35:58,167 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 19:35:58,167 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 19:35:58,167 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 19:35:58,168 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 19:35:58,168 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 19:35:58,168 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 19:35:58,168 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 19:35:58,168 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 19:35:58,168 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 19:35:58,168 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 19:35:58,168 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 19:35:58,168 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 19:35:58,169 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 19:35:58,169 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 19:35:58,169 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 19:35:58,169 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 19:35:58,169 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 19:35:58,169 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 19:35:58,169 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 19:35:58,169 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_9ddafab0-4440-42f5-b9f5-a592d519d55e/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 -> f8826e63977e5204bfb153113fa32b1df4948bea [2018-12-09 19:35:58,192 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 19:35:58,201 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 19:35:58,203 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 19:35:58,204 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 19:35:58,205 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 19:35:58,205 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9ddafab0-4440-42f5-b9f5-a592d519d55e/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label28_true-unreach-call_false-termination.c [2018-12-09 19:35:58,243 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9ddafab0-4440-42f5-b9f5-a592d519d55e/bin-2019/utaipan/data/c4baf5a47/cf48983a2fbe4e7083f67d88a06e27ae/FLAG73d863efd [2018-12-09 19:35:58,656 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 19:35:58,656 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9ddafab0-4440-42f5-b9f5-a592d519d55e/sv-benchmarks/c/eca-rers2012/Problem02_label28_true-unreach-call_false-termination.c [2018-12-09 19:35:58,663 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9ddafab0-4440-42f5-b9f5-a592d519d55e/bin-2019/utaipan/data/c4baf5a47/cf48983a2fbe4e7083f67d88a06e27ae/FLAG73d863efd [2018-12-09 19:35:58,671 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9ddafab0-4440-42f5-b9f5-a592d519d55e/bin-2019/utaipan/data/c4baf5a47/cf48983a2fbe4e7083f67d88a06e27ae [2018-12-09 19:35:58,673 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 19:35:58,674 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 19:35:58,674 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 19:35:58,675 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 19:35:58,676 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 19:35:58,677 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:35:58" (1/1) ... [2018-12-09 19:35:58,678 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2caf47c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:35:58, skipping insertion in model container [2018-12-09 19:35:58,679 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:35:58" (1/1) ... [2018-12-09 19:35:58,683 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 19:35:58,705 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 19:35:58,880 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:35:58,883 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 19:35:58,979 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:35:58,989 INFO L195 MainTranslator]: Completed translation [2018-12-09 19:35:58,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:35:58 WrapperNode [2018-12-09 19:35:58,989 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 19:35:58,990 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 19:35:58,990 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 19:35:58,990 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 19:35:58,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:35:58" (1/1) ... [2018-12-09 19:35:59,003 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:35:58" (1/1) ... [2018-12-09 19:35:59,008 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 19:35:59,008 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 19:35:59,009 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 19:35:59,009 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 19:35:59,014 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:35:58" (1/1) ... [2018-12-09 19:35:59,015 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:35:58" (1/1) ... [2018-12-09 19:35:59,017 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:35:58" (1/1) ... [2018-12-09 19:35:59,017 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:35:58" (1/1) ... [2018-12-09 19:35:59,033 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:35:58" (1/1) ... [2018-12-09 19:35:59,040 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:35:58" (1/1) ... [2018-12-09 19:35:59,043 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:35:58" (1/1) ... [2018-12-09 19:35:59,046 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 19:35:59,046 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 19:35:59,047 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 19:35:59,047 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 19:35:59,047 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:35:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9ddafab0-4440-42f5-b9f5-a592d519d55e/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 19:35:59,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 19:35:59,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 19:35:59,088 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-09 19:35:59,088 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-09 19:35:59,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 19:35:59,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 19:35:59,088 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 19:35:59,088 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 19:35:59,643 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 19:35:59,643 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 19:35:59,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:35:59 BoogieIcfgContainer [2018-12-09 19:35:59,644 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 19:35:59,645 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 19:35:59,645 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 19:35:59,648 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 19:35:59,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 07:35:58" (1/3) ... [2018-12-09 19:35:59,649 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3461c91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:35:59, skipping insertion in model container [2018-12-09 19:35:59,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:35:58" (2/3) ... [2018-12-09 19:35:59,649 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3461c91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:35:59, skipping insertion in model container [2018-12-09 19:35:59,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:35:59" (3/3) ... [2018-12-09 19:35:59,651 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label28_true-unreach-call_false-termination.c [2018-12-09 19:35:59,660 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 19:35:59,666 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 19:35:59,680 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 19:35:59,709 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 19:35:59,709 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 19:35:59,710 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 19:35:59,710 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 19:35:59,710 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 19:35:59,710 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 19:35:59,710 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 19:35:59,710 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 19:35:59,726 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-12-09 19:35:59,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-09 19:35:59,733 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:35:59,734 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:35:59,735 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:35:59,738 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:35:59,739 INFO L82 PathProgramCache]: Analyzing trace with hash 619051294, now seen corresponding path program 1 times [2018-12-09 19:35:59,740 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:35:59,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:35:59,770 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:35:59,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:35:59,770 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:35:59,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:36:00,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:36:00,015 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:36:00,016 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 19:36:00,016 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:36:00,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 19:36:00,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 19:36:00,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:36:00,029 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-12-09 19:36:00,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:36:00,485 INFO L93 Difference]: Finished difference Result 615 states and 1053 transitions. [2018-12-09 19:36:00,485 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 19:36:00,486 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 130 [2018-12-09 19:36:00,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:36:00,494 INFO L225 Difference]: With dead ends: 615 [2018-12-09 19:36:00,494 INFO L226 Difference]: Without dead ends: 317 [2018-12-09 19:36:00,497 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:36:00,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2018-12-09 19:36:00,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2018-12-09 19:36:00,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2018-12-09 19:36:00,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 478 transitions. [2018-12-09 19:36:00,535 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 478 transitions. Word has length 130 [2018-12-09 19:36:00,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:36:00,536 INFO L480 AbstractCegarLoop]: Abstraction has 317 states and 478 transitions. [2018-12-09 19:36:00,536 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 19:36:00,536 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 478 transitions. [2018-12-09 19:36:00,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-09 19:36:00,539 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:36:00,540 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:36:00,540 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:36:00,540 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:36:00,540 INFO L82 PathProgramCache]: Analyzing trace with hash -1219362173, now seen corresponding path program 1 times [2018-12-09 19:36:00,540 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:36:00,541 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:36:00,541 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:36:00,541 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:36:00,541 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:36:00,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:36:00,630 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:36:00,630 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:36:00,630 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 19:36:00,631 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:36:00,632 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 19:36:00,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 19:36:00,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 19:36:00,632 INFO L87 Difference]: Start difference. First operand 317 states and 478 transitions. Second operand 6 states. [2018-12-09 19:36:01,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:36:01,079 INFO L93 Difference]: Finished difference Result 962 states and 1500 transitions. [2018-12-09 19:36:01,079 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 19:36:01,079 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 145 [2018-12-09 19:36:01,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:36:01,083 INFO L225 Difference]: With dead ends: 962 [2018-12-09 19:36:01,084 INFO L226 Difference]: Without dead ends: 651 [2018-12-09 19:36:01,085 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-09 19:36:01,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2018-12-09 19:36:01,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 625. [2018-12-09 19:36:01,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 625 states. [2018-12-09 19:36:01,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 924 transitions. [2018-12-09 19:36:01,112 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 924 transitions. Word has length 145 [2018-12-09 19:36:01,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:36:01,112 INFO L480 AbstractCegarLoop]: Abstraction has 625 states and 924 transitions. [2018-12-09 19:36:01,112 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 19:36:01,112 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 924 transitions. [2018-12-09 19:36:01,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-09 19:36:01,116 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:36:01,116 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2018-12-09 19:36:01,116 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:36:01,116 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:36:01,117 INFO L82 PathProgramCache]: Analyzing trace with hash 1862479560, now seen corresponding path program 1 times [2018-12-09 19:36:01,117 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:36:01,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:36:01,118 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:36:01,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:36:01,118 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:36:01,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:36:01,212 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 19:36:01,212 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:36:01,212 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:36:01,213 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 154 with the following transitions: [2018-12-09 19:36:01,214 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [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], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [719], [721], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 19:36:01,240 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:36:01,240 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:36:01,485 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 19:36:01,486 INFO L272 AbstractInterpreter]: Visited 131 different actions 131 times. Never merged. Never widened. Performed 1449 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1449 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 38 variables. [2018-12-09 19:36:01,496 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:36:01,496 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 19:36:01,684 INFO L227 lantSequenceWeakener]: Weakened 144 states. On average, predicates are now at 81.17% of their original sizes. [2018-12-09 19:36:01,684 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 19:36:01,715 INFO L418 sIntCurrentIteration]: We unified 152 AI predicates to 152 [2018-12-09 19:36:01,715 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 19:36:01,715 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 19:36:01,716 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-12-09 19:36:01,716 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:36:01,716 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 19:36:01,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 19:36:01,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 19:36:01,717 INFO L87 Difference]: Start difference. First operand 625 states and 924 transitions. Second operand 6 states. [2018-12-09 19:36:03,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:36:03,621 INFO L93 Difference]: Finished difference Result 1392 states and 2056 transitions. [2018-12-09 19:36:03,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 19:36:03,621 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 153 [2018-12-09 19:36:03,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:36:03,623 INFO L225 Difference]: With dead ends: 1392 [2018-12-09 19:36:03,623 INFO L226 Difference]: Without dead ends: 773 [2018-12-09 19:36:03,624 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 153 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-09 19:36:03,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2018-12-09 19:36:03,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 771. [2018-12-09 19:36:03,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 771 states. [2018-12-09 19:36:03,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 1077 transitions. [2018-12-09 19:36:03,638 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 1077 transitions. Word has length 153 [2018-12-09 19:36:03,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:36:03,638 INFO L480 AbstractCegarLoop]: Abstraction has 771 states and 1077 transitions. [2018-12-09 19:36:03,638 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 19:36:03,638 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 1077 transitions. [2018-12-09 19:36:03,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-09 19:36:03,640 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:36:03,640 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:36:03,640 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:36:03,640 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:36:03,641 INFO L82 PathProgramCache]: Analyzing trace with hash 534852343, now seen corresponding path program 1 times [2018-12-09 19:36:03,641 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:36:03,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:36:03,641 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:36:03,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:36:03,642 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:36:03,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:36:03,749 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 19:36:03,749 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:36:03,749 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:36:03,749 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 163 with the following transitions: [2018-12-09 19:36:03,749 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [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], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [719], [721], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 19:36:03,753 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:36:03,753 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:36:04,000 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 19:36:04,000 INFO L272 AbstractInterpreter]: Visited 135 different actions 400 times. Merged at 6 different actions 15 times. Never widened. Performed 4518 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4518 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-09 19:36:04,005 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:36:04,005 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 19:36:04,135 INFO L227 lantSequenceWeakener]: Weakened 159 states. On average, predicates are now at 84.82% of their original sizes. [2018-12-09 19:36:04,135 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 19:36:04,175 INFO L418 sIntCurrentIteration]: We unified 161 AI predicates to 161 [2018-12-09 19:36:04,175 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 19:36:04,176 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 19:36:04,176 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2018-12-09 19:36:04,176 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:36:04,176 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 19:36:04,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 19:36:04,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 19:36:04,177 INFO L87 Difference]: Start difference. First operand 771 states and 1077 transitions. Second operand 9 states. [2018-12-09 19:36:06,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:36:06,789 INFO L93 Difference]: Finished difference Result 1858 states and 2647 transitions. [2018-12-09 19:36:06,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-09 19:36:06,789 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 162 [2018-12-09 19:36:06,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:36:06,796 INFO L225 Difference]: With dead ends: 1858 [2018-12-09 19:36:06,796 INFO L226 Difference]: Without dead ends: 1093 [2018-12-09 19:36:06,798 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 169 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-12-09 19:36:06,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1093 states. [2018-12-09 19:36:06,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1093 to 1075. [2018-12-09 19:36:06,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1075 states. [2018-12-09 19:36:06,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 1075 states and 1471 transitions. [2018-12-09 19:36:06,825 INFO L78 Accepts]: Start accepts. Automaton has 1075 states and 1471 transitions. Word has length 162 [2018-12-09 19:36:06,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:36:06,825 INFO L480 AbstractCegarLoop]: Abstraction has 1075 states and 1471 transitions. [2018-12-09 19:36:06,825 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 19:36:06,825 INFO L276 IsEmpty]: Start isEmpty. Operand 1075 states and 1471 transitions. [2018-12-09 19:36:06,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-12-09 19:36:06,827 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:36:06,827 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-09 19:36:06,827 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:36:06,827 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:36:06,827 INFO L82 PathProgramCache]: Analyzing trace with hash -598091737, now seen corresponding path program 1 times [2018-12-09 19:36:06,827 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:36:06,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:36:06,828 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:36:06,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:36:06,828 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:36:06,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:36:06,889 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:36:06,889 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:36:06,889 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:36:06,889 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 162 with the following transitions: [2018-12-09 19:36:06,890 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [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], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [719], [721], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 19:36:06,892 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:36:06,892 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:36:06,991 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 19:36:06,991 INFO L272 AbstractInterpreter]: Visited 134 different actions 262 times. Merged at 4 different actions 4 times. Never widened. Performed 2876 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2876 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-12-09 19:36:06,993 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:36:06,993 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 19:36:07,132 INFO L227 lantSequenceWeakener]: Weakened 158 states. On average, predicates are now at 81.15% of their original sizes. [2018-12-09 19:36:07,132 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 19:36:07,201 INFO L418 sIntCurrentIteration]: We unified 160 AI predicates to 160 [2018-12-09 19:36:07,201 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 19:36:07,201 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 19:36:07,201 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-09 19:36:07,201 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:36:07,202 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 19:36:07,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 19:36:07,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 19:36:07,202 INFO L87 Difference]: Start difference. First operand 1075 states and 1471 transitions. Second operand 10 states. [2018-12-09 19:36:09,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:36:09,227 INFO L93 Difference]: Finished difference Result 2440 states and 3327 transitions. [2018-12-09 19:36:09,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-09 19:36:09,228 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 161 [2018-12-09 19:36:09,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:36:09,231 INFO L225 Difference]: With dead ends: 2440 [2018-12-09 19:36:09,231 INFO L226 Difference]: Without dead ends: 1371 [2018-12-09 19:36:09,233 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 170 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-09 19:36:09,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1371 states. [2018-12-09 19:36:09,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1371 to 1368. [2018-12-09 19:36:09,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1368 states. [2018-12-09 19:36:09,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1368 states to 1368 states and 1811 transitions. [2018-12-09 19:36:09,258 INFO L78 Accepts]: Start accepts. Automaton has 1368 states and 1811 transitions. Word has length 161 [2018-12-09 19:36:09,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:36:09,259 INFO L480 AbstractCegarLoop]: Abstraction has 1368 states and 1811 transitions. [2018-12-09 19:36:09,259 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 19:36:09,259 INFO L276 IsEmpty]: Start isEmpty. Operand 1368 states and 1811 transitions. [2018-12-09 19:36:09,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-09 19:36:09,260 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:36:09,261 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:36:09,261 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:36:09,261 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:36:09,261 INFO L82 PathProgramCache]: Analyzing trace with hash -1368930657, now seen corresponding path program 1 times [2018-12-09 19:36:09,261 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:36:09,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:36:09,262 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:36:09,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:36:09,262 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:36:09,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:36:09,434 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 19 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:36:09,434 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:36:09,434 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:36:09,434 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 166 with the following transitions: [2018-12-09 19:36:09,435 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [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], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [719], [721], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 19:36:09,437 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:36:09,437 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:36:09,599 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 19:36:09,599 INFO L272 AbstractInterpreter]: Visited 135 different actions 398 times. Merged at 6 different actions 15 times. Never widened. Performed 4736 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4736 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-09 19:36:09,601 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:36:09,601 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 19:36:09,601 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:36:09,601 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9ddafab0-4440-42f5-b9f5-a592d519d55e/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 19:36:09,608 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:36:09,608 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 19:36:09,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:36:09,654 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:36:09,701 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:36:09,701 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 19:36:09,744 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:36:09,760 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-09 19:36:09,760 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [10] total 11 [2018-12-09 19:36:09,760 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:36:09,760 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 19:36:09,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 19:36:09,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-12-09 19:36:09,761 INFO L87 Difference]: Start difference. First operand 1368 states and 1811 transitions. Second operand 3 states. [2018-12-09 19:36:10,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:36:10,017 INFO L93 Difference]: Finished difference Result 3313 states and 4537 transitions. [2018-12-09 19:36:10,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 19:36:10,018 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 165 [2018-12-09 19:36:10,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:36:10,023 INFO L225 Difference]: With dead ends: 3313 [2018-12-09 19:36:10,023 INFO L226 Difference]: Without dead ends: 1951 [2018-12-09 19:36:10,025 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 329 SyntacticMatches, 4 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-12-09 19:36:10,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1951 states. [2018-12-09 19:36:10,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1951 to 1948. [2018-12-09 19:36:10,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1948 states. [2018-12-09 19:36:10,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1948 states to 1948 states and 2625 transitions. [2018-12-09 19:36:10,052 INFO L78 Accepts]: Start accepts. Automaton has 1948 states and 2625 transitions. Word has length 165 [2018-12-09 19:36:10,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:36:10,053 INFO L480 AbstractCegarLoop]: Abstraction has 1948 states and 2625 transitions. [2018-12-09 19:36:10,053 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 19:36:10,053 INFO L276 IsEmpty]: Start isEmpty. Operand 1948 states and 2625 transitions. [2018-12-09 19:36:10,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-09 19:36:10,056 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:36:10,056 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:36:10,056 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:36:10,057 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:36:10,057 INFO L82 PathProgramCache]: Analyzing trace with hash 2109202102, now seen corresponding path program 1 times [2018-12-09 19:36:10,057 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:36:10,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:36:10,057 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:36:10,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:36:10,057 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:36:10,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:36:10,154 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 69 proven. 15 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 19:36:10,154 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:36:10,154 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:36:10,154 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 194 with the following transitions: [2018-12-09 19:36:10,154 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [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], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [719], [721], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 19:36:10,156 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:36:10,156 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:36:10,325 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 19:36:10,325 INFO L272 AbstractInterpreter]: Visited 136 different actions 409 times. Merged at 7 different actions 23 times. Widened at 1 different actions 1 times. Performed 4769 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4769 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 2 different actions. Largest state had 38 variables. [2018-12-09 19:36:10,328 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:36:10,328 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 19:36:10,328 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:36:10,328 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9ddafab0-4440-42f5-b9f5-a592d519d55e/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 19:36:10,334 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:36:10,334 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 19:36:10,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:36:10,376 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:36:10,401 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 83 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:36:10,401 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 19:36:10,457 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 83 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 19:36:10,472 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 19:36:10,472 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-09 19:36:10,472 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 19:36:10,472 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 19:36:10,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 19:36:10,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-12-09 19:36:10,473 INFO L87 Difference]: Start difference. First operand 1948 states and 2625 transitions. Second operand 9 states. [2018-12-09 19:36:12,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:36:12,266 INFO L93 Difference]: Finished difference Result 6130 states and 8605 transitions. [2018-12-09 19:36:12,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-12-09 19:36:12,267 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 193 [2018-12-09 19:36:12,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:36:12,275 INFO L225 Difference]: With dead ends: 6130 [2018-12-09 19:36:12,275 INFO L226 Difference]: Without dead ends: 3113 [2018-12-09 19:36:12,280 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 442 GetRequests, 405 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 305 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=343, Invalid=1063, Unknown=0, NotChecked=0, Total=1406 [2018-12-09 19:36:12,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3113 states. [2018-12-09 19:36:12,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3113 to 2759. [2018-12-09 19:36:12,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2759 states. [2018-12-09 19:36:12,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2759 states to 2759 states and 3373 transitions. [2018-12-09 19:36:12,352 INFO L78 Accepts]: Start accepts. Automaton has 2759 states and 3373 transitions. Word has length 193 [2018-12-09 19:36:12,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:36:12,352 INFO L480 AbstractCegarLoop]: Abstraction has 2759 states and 3373 transitions. [2018-12-09 19:36:12,352 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 19:36:12,353 INFO L276 IsEmpty]: Start isEmpty. Operand 2759 states and 3373 transitions. [2018-12-09 19:36:12,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-09 19:36:12,356 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:36:12,356 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 19:36:12,357 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:36:12,357 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:36:12,357 INFO L82 PathProgramCache]: Analyzing trace with hash 1611054199, now seen corresponding path program 1 times [2018-12-09 19:36:12,357 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:36:12,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:36:12,357 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:36:12,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:36:12,357 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:36:12,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:36:12,481 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 140 proven. 77 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-09 19:36:12,481 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:36:12,481 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:36:12,482 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 278 with the following transitions: [2018-12-09 19:36:12,482 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [56], [61], [63], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [336], [341], [343], [344], [348], [352], [356], [360], [364], [368], [372], [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], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [719], [721], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 19:36:12,484 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:36:12,484 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:36:12,651 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 19:36:12,651 INFO L272 AbstractInterpreter]: Visited 138 different actions 407 times. Merged at 7 different actions 17 times. Never widened. Performed 4639 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4639 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-09 19:36:12,664 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:36:12,664 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 19:36:12,848 INFO L227 lantSequenceWeakener]: Weakened 203 states. On average, predicates are now at 85.05% of their original sizes. [2018-12-09 19:36:12,848 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 19:36:13,051 INFO L418 sIntCurrentIteration]: We unified 276 AI predicates to 276 [2018-12-09 19:36:13,051 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 19:36:13,051 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 19:36:13,051 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [20] imperfect sequences [10] total 28 [2018-12-09 19:36:13,051 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:36:13,052 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-12-09 19:36:13,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-12-09 19:36:13,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=299, Unknown=0, NotChecked=0, Total=380 [2018-12-09 19:36:13,052 INFO L87 Difference]: Start difference. First operand 2759 states and 3373 transitions. Second operand 20 states. [2018-12-09 19:36:25,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:36:25,713 INFO L93 Difference]: Finished difference Result 7525 states and 9441 transitions. [2018-12-09 19:36:25,713 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-12-09 19:36:25,713 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 277 [2018-12-09 19:36:25,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:36:25,720 INFO L225 Difference]: With dead ends: 7525 [2018-12-09 19:36:25,721 INFO L226 Difference]: Without dead ends: 5065 [2018-12-09 19:36:25,723 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 317 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 980 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=648, Invalid=3012, Unknown=0, NotChecked=0, Total=3660 [2018-12-09 19:36:25,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5065 states. [2018-12-09 19:36:25,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5065 to 5015. [2018-12-09 19:36:25,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5015 states. [2018-12-09 19:36:25,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5015 states to 5015 states and 5953 transitions. [2018-12-09 19:36:25,778 INFO L78 Accepts]: Start accepts. Automaton has 5015 states and 5953 transitions. Word has length 277 [2018-12-09 19:36:25,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:36:25,779 INFO L480 AbstractCegarLoop]: Abstraction has 5015 states and 5953 transitions. [2018-12-09 19:36:25,779 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-12-09 19:36:25,779 INFO L276 IsEmpty]: Start isEmpty. Operand 5015 states and 5953 transitions. [2018-12-09 19:36:25,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-12-09 19:36:25,784 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:36:25,784 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 19:36:25,785 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:36:25,785 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:36:25,785 INFO L82 PathProgramCache]: Analyzing trace with hash -2065590894, now seen corresponding path program 1 times [2018-12-09 19:36:25,785 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:36:25,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:36:25,786 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:36:25,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:36:25,786 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:36:25,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:36:25,878 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 154 proven. 20 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-12-09 19:36:25,879 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:36:25,879 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:36:25,879 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 286 with the following transitions: [2018-12-09 19:36:25,879 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [56], [61], [63], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [336], [341], [343], [344], [348], [352], [356], [360], [364], [368], [372], [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], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [719], [721], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-09 19:36:25,881 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:36:25,881 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:36:26,118 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 19:36:26,119 INFO L272 AbstractInterpreter]: Visited 139 different actions 548 times. Merged at 8 different actions 28 times. Never widened. Performed 6389 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6389 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 4 different actions. Largest state had 38 variables. [2018-12-09 19:36:26,120 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:36:26,120 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 19:36:26,308 INFO L227 lantSequenceWeakener]: Weakened 203 states. On average, predicates are now at 87.32% of their original sizes. [2018-12-09 19:36:26,308 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 19:36:26,470 INFO L418 sIntCurrentIteration]: We unified 284 AI predicates to 284 [2018-12-09 19:36:26,470 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 19:36:26,470 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 19:36:26,470 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [5] total 22 [2018-12-09 19:36:26,470 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:36:26,470 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-09 19:36:26,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-09 19:36:26,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=269, Unknown=0, NotChecked=0, Total=342 [2018-12-09 19:36:26,471 INFO L87 Difference]: Start difference. First operand 5015 states and 5953 transitions. Second operand 19 states. [2018-12-09 19:36:36,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:36:36,113 INFO L93 Difference]: Finished difference Result 11338 states and 13737 transitions. [2018-12-09 19:36:36,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-12-09 19:36:36,113 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 285 [2018-12-09 19:36:36,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:36:36,114 INFO L225 Difference]: With dead ends: 11338 [2018-12-09 19:36:36,114 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 19:36:36,122 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 318 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 754 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=477, Invalid=2279, Unknown=0, NotChecked=0, Total=2756 [2018-12-09 19:36:36,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 19:36:36,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 19:36:36,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 19:36:36,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 19:36:36,123 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 285 [2018-12-09 19:36:36,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:36:36,124 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 19:36:36,124 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-09 19:36:36,124 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 19:36:36,124 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 19:36:36,128 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 19:36:36,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,184 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,223 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,243 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,258 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,275 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,283 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,298 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,302 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,310 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,325 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,329 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,342 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,354 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,363 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,373 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,376 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,386 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,389 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,392 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,396 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,413 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,430 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,432 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,436 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,440 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,443 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,446 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,448 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 179 [2018-12-09 19:36:36,459 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,464 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,477 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,480 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,482 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,483 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,487 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,489 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,490 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,493 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,494 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,496 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,498 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,505 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,505 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,507 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,517 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,517 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,521 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,532 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,533 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,538 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,540 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,543 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:36:36,696 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 77 [2018-12-09 19:36:37,328 WARN L180 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 79 [2018-12-09 19:36:37,680 WARN L180 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 101 [2018-12-09 19:36:37,950 WARN L180 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 93 [2018-12-09 19:36:37,952 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 19:36:37,952 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a17~0 |old(~a17~0)|) (= |old(~a19~0)| ~a19~0) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|)) [2018-12-09 19:36:37,952 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 19:36:37,952 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:36:37,952 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:36:37,952 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:36:37,952 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:36:37,952 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:36:37,952 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-12-09 19:36:37,952 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-12-09 19:36:37,952 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-12-09 19:36:37,952 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-12-09 19:36:37,952 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-12-09 19:36:37,952 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-12-09 19:36:37,953 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-12-09 19:36:37,953 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-12-09 19:36:37,953 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-12-09 19:36:37,953 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-12-09 19:36:37,953 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-12-09 19:36:37,953 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-12-09 19:36:37,953 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-12-09 19:36:37,953 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:36:37,953 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:36:37,953 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:36:37,953 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:36:37,953 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-12-09 19:36:37,953 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:36:37,953 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-12-09 19:36:37,953 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-12-09 19:36:37,953 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-12-09 19:36:37,953 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-12-09 19:36:37,953 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-12-09 19:36:37,953 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-12-09 19:36:37,953 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-12-09 19:36:37,953 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-12-09 19:36:37,953 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-12-09 19:36:37,953 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-12-09 19:36:37,953 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-12-09 19:36:37,954 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-12-09 19:36:37,954 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-12-09 19:36:37,954 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-12-09 19:36:37,954 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-12-09 19:36:37,954 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:36:37,954 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:36:37,954 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:36:37,954 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:36:37,954 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:36:37,954 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-12-09 19:36:37,954 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-12-09 19:36:37,954 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-12-09 19:36:37,954 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-12-09 19:36:37,954 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-12-09 19:36:37,954 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-12-09 19:36:37,954 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-12-09 19:36:37,954 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-12-09 19:36:37,954 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-12-09 19:36:37,954 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-12-09 19:36:37,954 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-12-09 19:36:37,954 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:36:37,954 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:36:37,954 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:36:37,954 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:36:37,955 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:36:37,955 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-12-09 19:36:37,955 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-12-09 19:36:37,955 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-12-09 19:36:37,955 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-12-09 19:36:37,955 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-12-09 19:36:37,955 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-12-09 19:36:37,955 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-12-09 19:36:37,955 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-12-09 19:36:37,955 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-12-09 19:36:37,955 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-12-09 19:36:37,955 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-12-09 19:36:37,955 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-12-09 19:36:37,955 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-12-09 19:36:37,955 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:36:37,955 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:36:37,955 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:36:37,955 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:36:37,955 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:36:37,955 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-12-09 19:36:37,955 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-12-09 19:36:37,955 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-12-09 19:36:37,955 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-12-09 19:36:37,955 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-12-09 19:36:37,955 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-12-09 19:36:37,955 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-12-09 19:36:37,956 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-12-09 19:36:37,956 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-12-09 19:36:37,956 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-12-09 19:36:37,956 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-12-09 19:36:37,956 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-12-09 19:36:37,956 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-12-09 19:36:37,956 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-12-09 19:36:37,956 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-12-09 19:36:37,956 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-12-09 19:36:37,956 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:36:37,956 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:36:37,956 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:36:37,956 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:36:37,956 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-12-09 19:36:37,956 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:36:37,956 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-12-09 19:36:37,956 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:36:37,956 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-12-09 19:36:37,956 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-12-09 19:36:37,956 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-12-09 19:36:37,956 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:36:37,956 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:36:37,956 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-12-09 19:36:37,956 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-12-09 19:36:37,957 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-12-09 19:36:37,957 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-12-09 19:36:37,957 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-12-09 19:36:37,957 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-12-09 19:36:37,957 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-12-09 19:36:37,957 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-12-09 19:36:37,957 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-12-09 19:36:37,957 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-12-09 19:36:37,957 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-12-09 19:36:37,957 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:36:37,957 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:36:37,957 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:36:37,957 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:36:37,957 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:36:37,957 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:36:37,957 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-12-09 19:36:37,957 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-12-09 19:36:37,957 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-12-09 19:36:37,957 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-12-09 19:36:37,957 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-12-09 19:36:37,957 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-12-09 19:36:37,957 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-12-09 19:36:37,957 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-12-09 19:36:37,957 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-12-09 19:36:37,957 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-12-09 19:36:37,958 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-12-09 19:36:37,958 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:36:37,958 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:36:37,958 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:36:37,958 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:36:37,958 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:36:37,958 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:36:37,958 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-12-09 19:36:37,958 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-12-09 19:36:37,958 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-12-09 19:36:37,958 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-12-09 19:36:37,958 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-12-09 19:36:37,958 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-12-09 19:36:37,958 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-12-09 19:36:37,958 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-12-09 19:36:37,958 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-12-09 19:36:37,958 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 544) no Hoare annotation was computed. [2018-12-09 19:36:37,958 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-12-09 19:36:37,958 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-12-09 19:36:37,958 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-12-09 19:36:37,958 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-12-09 19:36:37,958 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-12-09 19:36:37,958 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:36:37,958 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:36:37,959 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:36:37,959 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse20 (= |old(~a19~0)| ~a19~0)) (.cse8 (= ~a11~0 |old(~a11~0)|)) (.cse9 (not (= ~a28~0 0))) (.cse10 (<= ~a28~0 10)) (.cse12 (= ~a17~0 8)) (.cse13 (= ~a25~0 |old(~a25~0)|))) (let ((.cse11 (= ~a19~0 1)) (.cse7 (not (= 1 |old(~a19~0)|))) (.cse18 (not (= 7 |old(~a28~0)|))) (.cse15 (= ~a28~0 7)) (.cse23 (= ~a28~0 8)) (.cse22 (not (= 8 |old(~a28~0)|))) (.cse17 (not (= 0 |old(~a25~0)|))) (.cse4 (= |old(~a11~0)| |old(~a19~0)|)) (.cse21 (< 7 |old(~a17~0)|)) (.cse19 (<= ~a17~0 |old(~a17~0)|)) (.cse0 (< 10 |old(~a28~0)|)) (.cse1 (not (= 1 ~a21~0))) (.cse14 (not (= 1 |old(~a25~0)|))) (.cse2 (= 0 |old(~a28~0)|)) (.cse5 (not (= 8 |old(~a17~0)|))) (.cse3 (and .cse20 .cse8 .cse9 .cse10 .cse12 .cse13)) (.cse6 (= |calculate_output_#in~input| 0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or (or .cse0 .cse1 .cse7 .cse2) .cse5 .cse6 (and .cse8 .cse9 .cse10 .cse11 .cse12 .cse13)) (or .cse1 .cse14 .cse7 .cse2 .cse4 .cse5 (and .cse8 .cse9 .cse12 .cse11 .cse13) .cse6) (or (or (= ~a28~0 10) .cse15) (let ((.cse16 (not (= 0 |old(~a11~0)|)))) (and (or .cse1 (not (= 10 |old(~a28~0)|)) .cse16 .cse17) (or .cse1 .cse18 .cse16 .cse17))) .cse6 .cse7 .cse5) (or (and .cse19 .cse20 .cse8 .cse10 .cse13) .cse0 .cse21) (or (and (or .cse1 .cse18) (or .cse1 .cse22)) .cse5 .cse6 (and .cse20 .cse8 (or .cse23 .cse15) .cse12 .cse13)) (or .cse1 .cse23 .cse22 .cse5 .cse6 .cse17) (or .cse14 .cse4 .cse21 (and .cse19 .cse20 .cse8 .cse13)) (or .cse0 .cse1 .cse14 .cse2 .cse5 .cse3 .cse6)))) [2018-12-09 19:36:37,959 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:36:37,959 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:36:37,959 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:36:37,959 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-12-09 19:36:37,959 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-12-09 19:36:37,959 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-12-09 19:36:37,959 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-12-09 19:36:37,959 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-12-09 19:36:37,959 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-12-09 19:36:37,959 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-12-09 19:36:37,959 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-12-09 19:36:37,959 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-12-09 19:36:37,959 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-12-09 19:36:37,959 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-12-09 19:36:37,959 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-12-09 19:36:37,959 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-12-09 19:36:37,960 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:36:37,960 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:36:37,960 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:36:37,960 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:36:37,960 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:36:37,960 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:36:37,960 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-12-09 19:36:37,960 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-12-09 19:36:37,960 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-12-09 19:36:37,960 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-12-09 19:36:37,960 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-12-09 19:36:37,960 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-12-09 19:36:37,960 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-12-09 19:36:37,960 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-12-09 19:36:37,960 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-12-09 19:36:37,960 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-12-09 19:36:37,960 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-12-09 19:36:37,960 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-12-09 19:36:37,960 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-12-09 19:36:37,960 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-12-09 19:36:37,960 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-12-09 19:36:37,960 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-12-09 19:36:37,960 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:36:37,960 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:36:37,960 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:36:37,961 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:36:37,961 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-12-09 19:36:37,961 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-12-09 19:36:37,961 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-12-09 19:36:37,961 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-12-09 19:36:37,961 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-12-09 19:36:37,961 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-12-09 19:36:37,961 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-12-09 19:36:37,961 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-12-09 19:36:37,961 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-12-09 19:36:37,961 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-12-09 19:36:37,961 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-12-09 19:36:37,961 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-12-09 19:36:37,961 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-12-09 19:36:37,961 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-12-09 19:36:37,961 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-12-09 19:36:37,961 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-12-09 19:36:37,961 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-12-09 19:36:37,961 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-12-09 19:36:37,961 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-12-09 19:36:37,961 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-12-09 19:36:37,961 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 19:36:37,962 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~d~0 4) (= ~z~0 26) (= ~c~0 3) (= ~a21~0 1) (= ~f~0 6) (= ~w~0 23) (= ~u~0 21) (= ~v~0 22) (= ~y~0 25) (= ~e~0 5) (= ~x~0 24) (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a~0 1) (= ~a19~0 1) (= ~a28~0 7)) [2018-12-09 19:36:37,962 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 19:36:37,962 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 19:36:37,962 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= |old(~a11~0)| 0)) (not (= ~v~0 22)) (not (= ~u~0 21)) (not (= ~a21~0 1)) (not (= ~y~0 25)) (not (= 3 ~c~0)) (not (= |old(~a25~0)| 0)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (not (= 26 ~z~0)) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (and (= ~a19~0 1) (= ~a28~0 7) (= ~a25~0 |old(~a25~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a17~0 8)) (not (= 8 |old(~a17~0)|)) (not (= ~e~0 5)) (not (= ~d~0 4)) (not (= 6 ~f~0)) (not (= ~w~0 23))) [2018-12-09 19:36:37,962 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse6 (not (= ~a19~0 ~a11~0))) (.cse0 (not (= main_~input~0 0))) (.cse3 (not (= ~a28~0 0))) (.cse4 (= 1 ~a25~0)) (.cse1 (<= ~a28~0 10)) (.cse2 (= ~a19~0 1)) (.cse5 (= ~a17~0 8)) (.cse7 (= ~a28~0 7))) (or (not (= ~a21~0 1)) (not (= ~y~0 25)) (and .cse0 (and (<= ~a17~0 |old(~a17~0)|) .cse1 .cse2) .cse3) (and .cse0 .cse3 .cse4 .cse5 .cse2 .cse6) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (not (= ~e~0 5)) (not (= ~d~0 4)) (and .cse0 .cse3 .cse1 .cse5 .cse6) (not (= 21 ~u~0)) (not (= 22 ~v~0)) (and .cse0 (or .cse7 (= ~a28~0 8)) .cse5) (not (= |old(~a11~0)| 0)) (not (= ~z~0 26)) (not (= 0 |old(~a25~0)|)) (and .cse0 .cse3 .cse4 .cse1 .cse5) (not (= 3 ~c~0)) (not (= 23 ~w~0)) (not (= |old(~a28~0)| 7)) (not (= ~a~0 1)) (and (<= ~a17~0 7) .cse1) (and (= (+ main_~output~0 1) 0) (= ~a11~0 0) .cse2 .cse5 .cse7 (= ~a25~0 |old(~a25~0)|)) (not (= |old(~a17~0)| 8)) (not (= 6 ~f~0)))) [2018-12-09 19:36:37,962 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-12-09 19:36:37,962 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-12-09 19:36:37,963 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse3 (= ~a19~0 1)) (.cse6 (not (= ~a19~0 ~a11~0))) (.cse0 (not (= main_~input~0 0))) (.cse1 (not (= ~a28~0 0))) (.cse5 (= 1 ~a25~0)) (.cse4 (= ~a17~0 8)) (.cse2 (<= ~a28~0 10))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= ~a21~0 1)) (not (= ~y~0 25)) (and .cse0 .cse1 .cse5 .cse4 .cse3 .cse6) (not (= 1 |old(~a19~0)|)) (not (= ~x~0 24)) (not (= ~e~0 5)) (not (= ~d~0 4)) (and .cse0 .cse1 .cse2 .cse4 .cse6) (not (= 21 ~u~0)) (and .cse0 (or (= ~a28~0 7) (= ~a28~0 8)) .cse4) (not (= 22 ~v~0)) (not (= |old(~a11~0)| 0)) (not (= ~z~0 26)) (not (= 0 |old(~a25~0)|)) (and .cse0 .cse1 .cse5 .cse2 .cse4) (not (= 3 ~c~0)) (not (= 23 ~w~0)) (not (= |old(~a28~0)| 7)) (and (<= ~a17~0 7) .cse2) (not (= ~a~0 1)) (not (= |old(~a17~0)| 8)) (not (= 6 ~f~0)))) [2018-12-09 19:36:37,963 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-12-09 19:36:37,963 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-12-09 19:36:37,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 07:36:37 BoogieIcfgContainer [2018-12-09 19:36:37,973 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 19:36:37,974 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 19:36:37,974 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 19:36:37,974 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 19:36:37,974 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:35:59" (3/4) ... [2018-12-09 19:36:37,977 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 19:36:37,982 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 19:36:37,982 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-09 19:36:37,982 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 19:36:37,991 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 19:36:37,992 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 19:36:38,014 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((!(a21 == 1) || !(y == 25)) || ((!(input == 0) && (a17 <= \old(a17) && a28 <= 10) && a19 == 1) && !(a28 == 0))) || (((((!(input == 0) && !(a28 == 0)) && 1 == a25) && a17 == 8) && a19 == 1) && !(a19 == a11))) || !(1 == \old(a19))) || !(x == 24)) || !(e == 5)) || !(d == 4)) || ((((!(input == 0) && !(a28 == 0)) && a28 <= 10) && a17 == 8) && !(a19 == a11))) || !(21 == u)) || !(22 == v)) || ((!(input == 0) && (a28 == 7 || a28 == 8)) && a17 == 8)) || !(\old(a11) == 0)) || !(z == 26)) || !(0 == \old(a25))) || ((((!(input == 0) && !(a28 == 0)) && 1 == a25) && a28 <= 10) && a17 == 8)) || !(3 == c)) || !(23 == w)) || !(\old(a28) == 7)) || !(a == 1)) || (a17 <= 7 && a28 <= 10)) || (((((output + 1 == 0 && a11 == 0) && a19 == 1) && a17 == 8) && a28 == 7) && a25 == \old(a25))) || !(\old(a17) == 8)) || !(6 == f) [2018-12-09 19:36:38,070 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9ddafab0-4440-42f5-b9f5-a592d519d55e/bin-2019/utaipan/witness.graphml [2018-12-09 19:36:38,070 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 19:36:38,070 INFO L168 Benchmark]: Toolchain (without parser) took 39397.05 ms. Allocated memory was 1.0 GB in the beginning and 2.9 GB in the end (delta: 1.9 GB). Free memory was 950.6 MB in the beginning and 1.0 GB in the end (delta: -63.4 MB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. [2018-12-09 19:36:38,071 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:36:38,071 INFO L168 Benchmark]: CACSL2BoogieTranslator took 314.95 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -145.2 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-12-09 19:36:38,072 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.59 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:36:38,072 INFO L168 Benchmark]: Boogie Preprocessor took 37.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-12-09 19:36:38,072 INFO L168 Benchmark]: RCFGBuilder took 597.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 987.8 MB in the end (delta: 101.0 MB). Peak memory consumption was 101.0 MB. Max. memory is 11.5 GB. [2018-12-09 19:36:38,072 INFO L168 Benchmark]: TraceAbstraction took 38328.50 ms. Allocated memory was 1.1 GB in the beginning and 2.9 GB in the end (delta: 1.8 GB). Free memory was 987.8 MB in the beginning and 1.1 GB in the end (delta: -64.0 MB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. [2018-12-09 19:36:38,072 INFO L168 Benchmark]: Witness Printer took 96.30 ms. Allocated memory is still 2.9 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 37.8 MB). Peak memory consumption was 37.8 MB. Max. memory is 11.5 GB. [2018-12-09 19:36:38,074 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 314.95 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -145.2 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.59 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 597.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 987.8 MB in the end (delta: 101.0 MB). Peak memory consumption was 101.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 38328.50 ms. Allocated memory was 1.1 GB in the beginning and 2.9 GB in the end (delta: 1.8 GB). Free memory was 987.8 MB in the beginning and 1.1 GB in the end (delta: -64.0 MB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. * Witness Printer took 96.30 ms. Allocated memory is still 2.9 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 37.8 MB). Peak memory consumption was 37.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 544]: 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: 606]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((!(a21 == 1) || !(y == 25)) || ((!(input == 0) && (a17 <= \old(a17) && a28 <= 10) && a19 == 1) && !(a28 == 0))) || (((((!(input == 0) && !(a28 == 0)) && 1 == a25) && a17 == 8) && a19 == 1) && !(a19 == a11))) || !(1 == \old(a19))) || !(x == 24)) || !(e == 5)) || !(d == 4)) || ((((!(input == 0) && !(a28 == 0)) && a28 <= 10) && a17 == 8) && !(a19 == a11))) || !(21 == u)) || !(22 == v)) || ((!(input == 0) && (a28 == 7 || a28 == 8)) && a17 == 8)) || !(\old(a11) == 0)) || !(z == 26)) || !(0 == \old(a25))) || ((((!(input == 0) && !(a28 == 0)) && 1 == a25) && a28 <= 10) && a17 == 8)) || !(3 == c)) || !(23 == w)) || !(\old(a28) == 7)) || !(a == 1)) || (a17 <= 7 && a28 <= 10)) || (((((output + 1 == 0 && a11 == 0) && a19 == 1) && a17 == 8) && a28 == 7) && a25 == \old(a25))) || !(\old(a17) == 8)) || !(6 == f) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 38.2s OverallTime, 9 OverallIterations, 6 TraceHistogramMax, 31.8s AutomataDifference, 0.0s DeadEndRemovalTime, 1.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 732 SDtfs, 7656 SDslu, 827 SDs, 0 SdLazy, 15033 SolverSat, 2078 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.3s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 1926 GetRequests, 1717 SyntacticMatches, 8 SemanticMatches, 201 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2147 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5015occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.4s AbstIntTime, 7 AbstIntIterations, 5 AbstIntStrong, 0.9967949918044973 AbsIntWeakeningRatio, 0.20038722168441434 AbsIntAvgWeakeningVarsNumRemoved, 25.406582768635044 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 456 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 149 PreInvPairs, 275 NumberOfFragments, 856 HoareAnnotationTreeSize, 149 FomulaSimplifications, 23652 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 13880 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 2029 NumberOfCodeBlocks, 2029 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2374 ConstructedInterpolants, 0 QuantifiedInterpolants, 986440 SizeOfPredicates, 2 NumberOfNonLiveVariables, 918 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 13 InterpolantComputations, 4 PerfectInterpolantSequences, 896/1055 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...