./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/loop-invgen/apache-get-tag_true-unreach-call.i.p+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/loop-invgen/apache-get-tag_true-unreach-call.i.p+lhb-reducer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d63a23585cedb87d2d2ae4c59168b108a64280e1 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 18:21:20,034 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:21:20,036 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:21:20,048 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:21:20,048 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:21:20,049 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:21:20,051 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:21:20,053 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:21:20,055 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:21:20,055 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:21:20,056 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:21:20,057 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:21:20,058 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:21:20,059 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:21:20,061 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:21:20,062 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:21:20,064 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:21:20,068 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:21:20,072 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:21:20,075 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:21:20,076 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:21:20,077 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:21:20,080 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:21:20,080 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:21:20,080 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:21:20,081 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:21:20,082 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:21:20,083 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:21:20,084 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:21:20,085 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:21:20,085 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:21:20,086 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:21:20,086 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:21:20,086 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:21:20,087 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:21:20,088 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:21:20,088 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:21:20,104 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:21:20,105 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:21:20,105 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:21:20,106 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:21:20,106 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:21:20,106 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:21:20,107 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:21:20,107 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:21:20,107 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:21:20,107 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:21:20,108 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:21:20,108 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:21:20,108 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:21:20,108 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:21:20,108 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:21:20,109 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:21:20,109 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:21:20,109 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:21:20,109 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:21:20,109 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:21:20,109 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:21:20,110 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:21:20,110 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:21:20,110 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:21:20,110 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:21:20,110 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:21:20,111 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:21:20,111 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:21:20,111 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:21:20,111 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:21:20,111 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> Automizer 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 -> d63a23585cedb87d2d2ae4c59168b108a64280e1 [2018-11-28 18:21:20,165 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:21:20,182 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:21:20,189 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:21:20,191 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:21:20,191 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:21:20,192 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/loop-invgen/apache-get-tag_true-unreach-call.i.p+lhb-reducer.c [2018-11-28 18:21:20,258 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bcfefb2c/d9ec24ca3e654e59a46197fb0fe3e0da/FLAG0e1f420e0 [2018-11-28 18:21:20,806 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:21:20,807 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/loop-invgen/apache-get-tag_true-unreach-call.i.p+lhb-reducer.c [2018-11-28 18:21:20,827 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bcfefb2c/d9ec24ca3e654e59a46197fb0fe3e0da/FLAG0e1f420e0 [2018-11-28 18:21:21,079 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bcfefb2c/d9ec24ca3e654e59a46197fb0fe3e0da [2018-11-28 18:21:21,083 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:21:21,084 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:21:21,086 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:21:21,086 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:21:21,090 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:21:21,091 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:21:21" (1/1) ... [2018-11-28 18:21:21,094 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a9afc37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:21:21, skipping insertion in model container [2018-11-28 18:21:21,094 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:21:21" (1/1) ... [2018-11-28 18:21:21,103 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:21:21,162 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:21:21,487 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:21:21,499 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:21:21,615 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:21:21,640 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:21:21,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:21:21 WrapperNode [2018-11-28 18:21:21,641 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:21:21,642 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:21:21,642 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:21:21,642 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:21:21,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:21:21" (1/1) ... [2018-11-28 18:21:21,664 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:21:21" (1/1) ... [2018-11-28 18:21:21,672 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:21:21,673 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:21:21,673 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:21:21,673 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:21:21,755 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:21:21" (1/1) ... [2018-11-28 18:21:21,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:21:21" (1/1) ... [2018-11-28 18:21:21,759 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:21:21" (1/1) ... [2018-11-28 18:21:21,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:21:21" (1/1) ... [2018-11-28 18:21:21,774 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:21:21" (1/1) ... [2018-11-28 18:21:21,790 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:21:21" (1/1) ... [2018-11-28 18:21:21,796 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:21:21" (1/1) ... [2018-11-28 18:21:21,804 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:21:21,805 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:21:21,805 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:21:21,805 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:21:21,806 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:21:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:21:21,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:21:21,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:21:21,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:21:21,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:21:21,871 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:21:21,871 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:21:23,015 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:21:23,015 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-28 18:21:23,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:21:23 BoogieIcfgContainer [2018-11-28 18:21:23,016 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:21:23,017 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:21:23,017 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:21:23,021 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:21:23,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:21:21" (1/3) ... [2018-11-28 18:21:23,022 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@488a23ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:21:23, skipping insertion in model container [2018-11-28 18:21:23,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:21:21" (2/3) ... [2018-11-28 18:21:23,022 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@488a23ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:21:23, skipping insertion in model container [2018-11-28 18:21:23,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:21:23" (3/3) ... [2018-11-28 18:21:23,026 INFO L112 eAbstractionObserver]: Analyzing ICFG apache-get-tag_true-unreach-call.i.p+lhb-reducer.c [2018-11-28 18:21:23,036 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:21:23,044 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 16 error locations. [2018-11-28 18:21:23,062 INFO L257 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2018-11-28 18:21:23,095 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:21:23,096 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:21:23,097 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:21:23,097 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:21:23,097 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:21:23,098 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:21:23,098 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:21:23,098 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:21:23,098 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:21:23,124 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states. [2018-11-28 18:21:23,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-28 18:21:23,131 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:21:23,132 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:21:23,135 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:21:23,141 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:21:23,142 INFO L82 PathProgramCache]: Analyzing trace with hash -1915845654, now seen corresponding path program 1 times [2018-11-28 18:21:23,144 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:21:23,145 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:21:23,193 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:21:23,194 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:21:23,194 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:21:23,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:21:23,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:21:23,343 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:21:23,344 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 18:21:23,349 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 18:21:23,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 18:21:23,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 18:21:23,368 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 4 states. [2018-11-28 18:21:24,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:21:24,288 INFO L93 Difference]: Finished difference Result 135 states and 211 transitions. [2018-11-28 18:21:24,291 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 18:21:24,293 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2018-11-28 18:21:24,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:21:24,311 INFO L225 Difference]: With dead ends: 135 [2018-11-28 18:21:24,312 INFO L226 Difference]: Without dead ends: 118 [2018-11-28 18:21:24,315 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 18:21:24,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2018-11-28 18:21:24,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2018-11-28 18:21:24,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2018-11-28 18:21:24,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 139 transitions. [2018-11-28 18:21:24,368 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 139 transitions. Word has length 11 [2018-11-28 18:21:24,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:21:24,369 INFO L480 AbstractCegarLoop]: Abstraction has 118 states and 139 transitions. [2018-11-28 18:21:24,369 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 18:21:24,369 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 139 transitions. [2018-11-28 18:21:24,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-28 18:21:24,370 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:21:24,370 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:21:24,371 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:21:24,371 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:21:24,371 INFO L82 PathProgramCache]: Analyzing trace with hash 738329931, now seen corresponding path program 1 times [2018-11-28 18:21:24,372 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:21:24,372 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:21:24,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:21:24,373 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:21:24,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:21:24,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:21:24,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:21:24,587 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:21:24,587 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:21:24,590 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:21:24,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:21:24,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:21:24,591 INFO L87 Difference]: Start difference. First operand 118 states and 139 transitions. Second operand 6 states. [2018-11-28 18:21:25,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:21:25,227 INFO L93 Difference]: Finished difference Result 118 states and 139 transitions. [2018-11-28 18:21:25,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:21:25,227 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2018-11-28 18:21:25,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:21:25,230 INFO L225 Difference]: With dead ends: 118 [2018-11-28 18:21:25,230 INFO L226 Difference]: Without dead ends: 113 [2018-11-28 18:21:25,232 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:21:25,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2018-11-28 18:21:25,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2018-11-28 18:21:25,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-11-28 18:21:25,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 125 transitions. [2018-11-28 18:21:25,244 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 125 transitions. Word has length 12 [2018-11-28 18:21:25,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:21:25,244 INFO L480 AbstractCegarLoop]: Abstraction has 113 states and 125 transitions. [2018-11-28 18:21:25,244 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:21:25,245 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 125 transitions. [2018-11-28 18:21:25,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-28 18:21:25,246 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:21:25,246 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:21:25,247 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:21:25,247 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:21:25,247 INFO L82 PathProgramCache]: Analyzing trace with hash -108000398, now seen corresponding path program 1 times [2018-11-28 18:21:25,247 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:21:25,247 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:21:25,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:21:25,249 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:21:25,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:21:25,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:21:25,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:21:25,346 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:21:25,346 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:21:25,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:21:25,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:21:25,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:21:25,347 INFO L87 Difference]: Start difference. First operand 113 states and 125 transitions. Second operand 6 states. [2018-11-28 18:21:25,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:21:25,799 INFO L93 Difference]: Finished difference Result 148 states and 163 transitions. [2018-11-28 18:21:25,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:21:25,802 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2018-11-28 18:21:25,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:21:25,804 INFO L225 Difference]: With dead ends: 148 [2018-11-28 18:21:25,804 INFO L226 Difference]: Without dead ends: 146 [2018-11-28 18:21:25,805 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:21:25,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-11-28 18:21:25,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 111. [2018-11-28 18:21:25,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-11-28 18:21:25,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 123 transitions. [2018-11-28 18:21:25,817 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 123 transitions. Word has length 15 [2018-11-28 18:21:25,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:21:25,817 INFO L480 AbstractCegarLoop]: Abstraction has 111 states and 123 transitions. [2018-11-28 18:21:25,817 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:21:25,818 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 123 transitions. [2018-11-28 18:21:25,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-28 18:21:25,819 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:21:25,820 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:21:25,820 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:21:25,821 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:21:25,821 INFO L82 PathProgramCache]: Analyzing trace with hash 946958050, now seen corresponding path program 1 times [2018-11-28 18:21:25,822 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:21:25,822 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:21:25,824 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:21:25,824 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:21:25,824 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:21:25,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:21:25,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:21:25,910 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:21:25,910 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:21:25,911 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:21:25,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:21:25,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:21:25,912 INFO L87 Difference]: Start difference. First operand 111 states and 123 transitions. Second operand 6 states. [2018-11-28 18:21:26,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:21:26,606 INFO L93 Difference]: Finished difference Result 144 states and 159 transitions. [2018-11-28 18:21:26,607 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:21:26,608 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2018-11-28 18:21:26,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:21:26,611 INFO L225 Difference]: With dead ends: 144 [2018-11-28 18:21:26,611 INFO L226 Difference]: Without dead ends: 138 [2018-11-28 18:21:26,612 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2018-11-28 18:21:26,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-11-28 18:21:26,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 107. [2018-11-28 18:21:26,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2018-11-28 18:21:26,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 119 transitions. [2018-11-28 18:21:26,623 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 119 transitions. Word has length 16 [2018-11-28 18:21:26,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:21:26,624 INFO L480 AbstractCegarLoop]: Abstraction has 107 states and 119 transitions. [2018-11-28 18:21:26,624 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:21:26,624 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 119 transitions. [2018-11-28 18:21:26,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-28 18:21:26,626 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:21:26,626 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:21:26,627 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:21:26,627 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:21:26,627 INFO L82 PathProgramCache]: Analyzing trace with hash -695803485, now seen corresponding path program 1 times [2018-11-28 18:21:26,629 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:21:26,629 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:21:26,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:21:26,630 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:21:26,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:21:26,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:21:26,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:21:26,739 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:21:26,739 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:21:26,739 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:21:26,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:21:26,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:21:26,740 INFO L87 Difference]: Start difference. First operand 107 states and 119 transitions. Second operand 6 states. [2018-11-28 18:21:27,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:21:27,184 INFO L93 Difference]: Finished difference Result 172 states and 191 transitions. [2018-11-28 18:21:27,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:21:27,185 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2018-11-28 18:21:27,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:21:27,186 INFO L225 Difference]: With dead ends: 172 [2018-11-28 18:21:27,187 INFO L226 Difference]: Without dead ends: 170 [2018-11-28 18:21:27,188 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:21:27,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2018-11-28 18:21:27,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 105. [2018-11-28 18:21:27,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-11-28 18:21:27,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 117 transitions. [2018-11-28 18:21:27,212 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 117 transitions. Word has length 17 [2018-11-28 18:21:27,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:21:27,218 INFO L480 AbstractCegarLoop]: Abstraction has 105 states and 117 transitions. [2018-11-28 18:21:27,218 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:21:27,218 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 117 transitions. [2018-11-28 18:21:27,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-28 18:21:27,219 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:21:27,219 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:21:27,221 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:21:27,221 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:21:27,221 INFO L82 PathProgramCache]: Analyzing trace with hash -694264285, now seen corresponding path program 1 times [2018-11-28 18:21:27,221 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:21:27,221 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:21:27,222 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:21:27,223 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:21:27,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:21:27,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:21:27,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:21:27,333 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:21:27,333 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:21:27,334 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:21:27,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:21:27,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:21:27,335 INFO L87 Difference]: Start difference. First operand 105 states and 117 transitions. Second operand 6 states. [2018-11-28 18:21:27,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:21:27,827 INFO L93 Difference]: Finished difference Result 132 states and 147 transitions. [2018-11-28 18:21:27,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:21:27,828 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2018-11-28 18:21:27,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:21:27,829 INFO L225 Difference]: With dead ends: 132 [2018-11-28 18:21:27,829 INFO L226 Difference]: Without dead ends: 130 [2018-11-28 18:21:27,830 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:21:27,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-11-28 18:21:27,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 103. [2018-11-28 18:21:27,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-11-28 18:21:27,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 115 transitions. [2018-11-28 18:21:27,837 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 115 transitions. Word has length 17 [2018-11-28 18:21:27,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:21:27,838 INFO L480 AbstractCegarLoop]: Abstraction has 103 states and 115 transitions. [2018-11-28 18:21:27,838 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:21:27,839 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 115 transitions. [2018-11-28 18:21:27,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-28 18:21:27,839 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:21:27,840 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:21:27,840 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:21:27,840 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:21:27,840 INFO L82 PathProgramCache]: Analyzing trace with hash -95068443, now seen corresponding path program 1 times [2018-11-28 18:21:27,842 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:21:27,842 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:21:27,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:21:27,844 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:21:27,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:21:27,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:21:28,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:21:28,071 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:21:28,071 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 18:21:28,072 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 18:21:28,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 18:21:28,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:21:28,073 INFO L87 Difference]: Start difference. First operand 103 states and 115 transitions. Second operand 8 states. [2018-11-28 18:21:28,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:21:28,622 INFO L93 Difference]: Finished difference Result 120 states and 134 transitions. [2018-11-28 18:21:28,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 18:21:28,629 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2018-11-28 18:21:28,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:21:28,631 INFO L225 Difference]: With dead ends: 120 [2018-11-28 18:21:28,631 INFO L226 Difference]: Without dead ends: 118 [2018-11-28 18:21:28,632 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2018-11-28 18:21:28,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2018-11-28 18:21:28,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 101. [2018-11-28 18:21:28,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-11-28 18:21:28,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 113 transitions. [2018-11-28 18:21:28,639 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 113 transitions. Word has length 18 [2018-11-28 18:21:28,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:21:28,640 INFO L480 AbstractCegarLoop]: Abstraction has 101 states and 113 transitions. [2018-11-28 18:21:28,640 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 18:21:28,640 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 113 transitions. [2018-11-28 18:21:28,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-28 18:21:28,641 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:21:28,641 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:21:28,641 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:21:28,642 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:21:28,644 INFO L82 PathProgramCache]: Analyzing trace with hash -93703023, now seen corresponding path program 1 times [2018-11-28 18:21:28,644 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:21:28,644 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:21:28,645 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:21:28,646 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:21:28,646 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:21:28,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:21:28,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:21:28,959 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:21:28,959 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:21:28,960 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:21:28,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:21:28,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:21:28,960 INFO L87 Difference]: Start difference. First operand 101 states and 113 transitions. Second operand 6 states. [2018-11-28 18:21:30,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:21:30,373 INFO L93 Difference]: Finished difference Result 162 states and 181 transitions. [2018-11-28 18:21:30,374 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:21:30,374 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2018-11-28 18:21:30,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:21:30,375 INFO L225 Difference]: With dead ends: 162 [2018-11-28 18:21:30,375 INFO L226 Difference]: Without dead ends: 160 [2018-11-28 18:21:30,376 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:21:30,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2018-11-28 18:21:30,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 99. [2018-11-28 18:21:30,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-11-28 18:21:30,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 111 transitions. [2018-11-28 18:21:30,382 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 111 transitions. Word has length 18 [2018-11-28 18:21:30,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:21:30,383 INFO L480 AbstractCegarLoop]: Abstraction has 99 states and 111 transitions. [2018-11-28 18:21:30,384 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:21:30,384 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 111 transitions. [2018-11-28 18:21:30,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-28 18:21:30,385 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:21:30,385 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:21:30,385 INFO L423 AbstractCegarLoop]: === Iteration 9 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:21:30,387 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:21:30,387 INFO L82 PathProgramCache]: Analyzing trace with hash -47353193, now seen corresponding path program 1 times [2018-11-28 18:21:30,387 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:21:30,387 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:21:30,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:21:30,388 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:21:30,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:21:30,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:21:30,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:21:30,509 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:21:30,509 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 18:21:30,510 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 18:21:30,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 18:21:30,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:21:30,510 INFO L87 Difference]: Start difference. First operand 99 states and 111 transitions. Second operand 8 states. [2018-11-28 18:21:30,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:21:30,912 INFO L93 Difference]: Finished difference Result 99 states and 111 transitions. [2018-11-28 18:21:30,913 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:21:30,913 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2018-11-28 18:21:30,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:21:30,915 INFO L225 Difference]: With dead ends: 99 [2018-11-28 18:21:30,915 INFO L226 Difference]: Without dead ends: 95 [2018-11-28 18:21:30,917 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2018-11-28 18:21:30,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-11-28 18:21:30,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2018-11-28 18:21:30,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-11-28 18:21:30,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 107 transitions. [2018-11-28 18:21:30,923 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 107 transitions. Word has length 18 [2018-11-28 18:21:30,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:21:30,923 INFO L480 AbstractCegarLoop]: Abstraction has 95 states and 107 transitions. [2018-11-28 18:21:30,923 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 18:21:30,925 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 107 transitions. [2018-11-28 18:21:30,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-28 18:21:30,926 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:21:30,926 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:21:30,927 INFO L423 AbstractCegarLoop]: === Iteration 10 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:21:30,927 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:21:30,927 INFO L82 PathProgramCache]: Analyzing trace with hash 1390176726, now seen corresponding path program 1 times [2018-11-28 18:21:30,927 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:21:30,928 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:21:30,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:21:30,929 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:21:30,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:21:30,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:21:31,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:21:31,116 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:21:31,116 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 18:21:31,116 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 18:21:31,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 18:21:31,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:21:31,117 INFO L87 Difference]: Start difference. First operand 95 states and 107 transitions. Second operand 8 states. [2018-11-28 18:21:31,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:21:31,557 INFO L93 Difference]: Finished difference Result 111 states and 125 transitions. [2018-11-28 18:21:31,558 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 18:21:31,559 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 19 [2018-11-28 18:21:31,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:21:31,560 INFO L225 Difference]: With dead ends: 111 [2018-11-28 18:21:31,560 INFO L226 Difference]: Without dead ends: 109 [2018-11-28 18:21:31,560 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2018-11-28 18:21:31,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-11-28 18:21:31,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 93. [2018-11-28 18:21:31,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2018-11-28 18:21:31,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 105 transitions. [2018-11-28 18:21:31,566 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 105 transitions. Word has length 19 [2018-11-28 18:21:31,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:21:31,566 INFO L480 AbstractCegarLoop]: Abstraction has 93 states and 105 transitions. [2018-11-28 18:21:31,566 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 18:21:31,566 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 105 transitions. [2018-11-28 18:21:31,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-28 18:21:31,567 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:21:31,567 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] [2018-11-28 18:21:31,570 INFO L423 AbstractCegarLoop]: === Iteration 11 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:21:31,571 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:21:31,571 INFO L82 PathProgramCache]: Analyzing trace with hash -1166363704, now seen corresponding path program 1 times [2018-11-28 18:21:31,571 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:21:31,571 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:21:31,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:21:31,572 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:21:31,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:21:31,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:21:31,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:21:31,662 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:21:31,662 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:21:31,662 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:21:31,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:21:31,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:21:31,664 INFO L87 Difference]: Start difference. First operand 93 states and 105 transitions. Second operand 7 states. [2018-11-28 18:21:31,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:21:31,968 INFO L93 Difference]: Finished difference Result 108 states and 123 transitions. [2018-11-28 18:21:31,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:21:31,969 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-11-28 18:21:31,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:21:31,971 INFO L225 Difference]: With dead ends: 108 [2018-11-28 18:21:31,971 INFO L226 Difference]: Without dead ends: 106 [2018-11-28 18:21:31,973 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2018-11-28 18:21:31,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2018-11-28 18:21:31,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 91. [2018-11-28 18:21:31,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-11-28 18:21:31,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 103 transitions. [2018-11-28 18:21:31,977 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 103 transitions. Word has length 20 [2018-11-28 18:21:31,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:21:31,977 INFO L480 AbstractCegarLoop]: Abstraction has 91 states and 103 transitions. [2018-11-28 18:21:31,977 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:21:31,978 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 103 transitions. [2018-11-28 18:21:31,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-28 18:21:31,978 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:21:31,978 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] [2018-11-28 18:21:31,979 INFO L423 AbstractCegarLoop]: === Iteration 12 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:21:31,979 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:21:31,979 INFO L82 PathProgramCache]: Analyzing trace with hash -1797533329, now seen corresponding path program 1 times [2018-11-28 18:21:31,979 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:21:31,980 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:21:31,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:21:31,982 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:21:31,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:21:31,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:21:32,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:21:32,042 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:21:32,042 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:21:32,042 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:21:32,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:21:32,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:21:32,043 INFO L87 Difference]: Start difference. First operand 91 states and 103 transitions. Second operand 6 states. [2018-11-28 18:21:32,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:21:32,617 INFO L93 Difference]: Finished difference Result 104 states and 119 transitions. [2018-11-28 18:21:32,619 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:21:32,619 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2018-11-28 18:21:32,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:21:32,620 INFO L225 Difference]: With dead ends: 104 [2018-11-28 18:21:32,620 INFO L226 Difference]: Without dead ends: 58 [2018-11-28 18:21:32,621 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2018-11-28 18:21:32,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-11-28 18:21:32,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2018-11-28 18:21:32,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-11-28 18:21:32,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 58 transitions. [2018-11-28 18:21:32,624 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 58 transitions. Word has length 21 [2018-11-28 18:21:32,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:21:32,625 INFO L480 AbstractCegarLoop]: Abstraction has 58 states and 58 transitions. [2018-11-28 18:21:32,625 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:21:32,625 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 58 transitions. [2018-11-28 18:21:32,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-28 18:21:32,626 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:21:32,627 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] [2018-11-28 18:21:32,627 INFO L423 AbstractCegarLoop]: === Iteration 13 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:21:32,627 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:21:32,628 INFO L82 PathProgramCache]: Analyzing trace with hash 1203360725, now seen corresponding path program 1 times [2018-11-28 18:21:32,629 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:21:32,629 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:21:32,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:21:32,630 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:21:32,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:21:32,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:21:33,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:21:33,015 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:21:33,016 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:21:33,016 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:21:33,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:21:33,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:21:33,017 INFO L87 Difference]: Start difference. First operand 58 states and 58 transitions. Second operand 7 states. [2018-11-28 18:21:33,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:21:33,148 INFO L93 Difference]: Finished difference Result 67 states and 67 transitions. [2018-11-28 18:21:33,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:21:33,149 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 48 [2018-11-28 18:21:33,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:21:33,150 INFO L225 Difference]: With dead ends: 67 [2018-11-28 18:21:33,150 INFO L226 Difference]: Without dead ends: 65 [2018-11-28 18:21:33,151 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:21:33,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-11-28 18:21:33,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 56. [2018-11-28 18:21:33,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-11-28 18:21:33,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 56 transitions. [2018-11-28 18:21:33,161 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 56 transitions. Word has length 48 [2018-11-28 18:21:33,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:21:33,162 INFO L480 AbstractCegarLoop]: Abstraction has 56 states and 56 transitions. [2018-11-28 18:21:33,162 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:21:33,162 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 56 transitions. [2018-11-28 18:21:33,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-28 18:21:33,163 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:21:33,163 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] [2018-11-28 18:21:33,166 INFO L423 AbstractCegarLoop]: === Iteration 14 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:21:33,167 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:21:33,167 INFO L82 PathProgramCache]: Analyzing trace with hash 1203346823, now seen corresponding path program 1 times [2018-11-28 18:21:33,167 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:21:33,167 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:21:33,168 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:21:33,168 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:21:33,168 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:21:33,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:21:33,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:21:33,450 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:21:33,450 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:21:33,451 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:21:33,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:21:33,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:21:33,451 INFO L87 Difference]: Start difference. First operand 56 states and 56 transitions. Second operand 7 states. [2018-11-28 18:21:33,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:21:33,619 INFO L93 Difference]: Finished difference Result 56 states and 56 transitions. [2018-11-28 18:21:33,619 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:21:33,620 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 48 [2018-11-28 18:21:33,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:21:33,622 INFO L225 Difference]: With dead ends: 56 [2018-11-28 18:21:33,623 INFO L226 Difference]: Without dead ends: 54 [2018-11-28 18:21:33,623 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:21:33,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-11-28 18:21:33,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2018-11-28 18:21:33,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-11-28 18:21:33,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 54 transitions. [2018-11-28 18:21:33,627 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 54 transitions. Word has length 48 [2018-11-28 18:21:33,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:21:33,627 INFO L480 AbstractCegarLoop]: Abstraction has 54 states and 54 transitions. [2018-11-28 18:21:33,627 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:21:33,627 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 54 transitions. [2018-11-28 18:21:33,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-28 18:21:33,629 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:21:33,629 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] [2018-11-28 18:21:33,629 INFO L423 AbstractCegarLoop]: === Iteration 15 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:21:33,629 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:21:33,630 INFO L82 PathProgramCache]: Analyzing trace with hash -1350519771, now seen corresponding path program 1 times [2018-11-28 18:21:33,631 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:21:33,631 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:21:33,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:21:33,632 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:21:33,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:21:33,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:21:33,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:21:33,766 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:21:33,767 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 18:21:33,767 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 18:21:33,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 18:21:33,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:21:33,768 INFO L87 Difference]: Start difference. First operand 54 states and 54 transitions. Second operand 8 states. [2018-11-28 18:21:33,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:21:33,969 INFO L93 Difference]: Finished difference Result 62 states and 62 transitions. [2018-11-28 18:21:33,971 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:21:33,971 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 49 [2018-11-28 18:21:33,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:21:33,972 INFO L225 Difference]: With dead ends: 62 [2018-11-28 18:21:33,972 INFO L226 Difference]: Without dead ends: 60 [2018-11-28 18:21:33,973 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2018-11-28 18:21:33,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-11-28 18:21:33,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 52. [2018-11-28 18:21:33,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-11-28 18:21:33,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 52 transitions. [2018-11-28 18:21:33,976 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 52 transitions. Word has length 49 [2018-11-28 18:21:33,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:21:33,978 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 52 transitions. [2018-11-28 18:21:33,978 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 18:21:33,978 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 52 transitions. [2018-11-28 18:21:33,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-28 18:21:33,979 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:21:33,979 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] [2018-11-28 18:21:33,979 INFO L423 AbstractCegarLoop]: === Iteration 16 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:21:33,979 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:21:33,980 INFO L82 PathProgramCache]: Analyzing trace with hash -1350950747, now seen corresponding path program 1 times [2018-11-28 18:21:33,980 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:21:33,981 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:21:33,981 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:21:33,981 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:21:33,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:21:34,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:21:34,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:21:34,383 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:21:34,383 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 18:21:34,387 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 18:21:34,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 18:21:34,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:21:34,387 INFO L87 Difference]: Start difference. First operand 52 states and 52 transitions. Second operand 8 states. [2018-11-28 18:21:34,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:21:34,594 INFO L93 Difference]: Finished difference Result 52 states and 52 transitions. [2018-11-28 18:21:34,595 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 18:21:34,595 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 49 [2018-11-28 18:21:34,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:21:34,596 INFO L225 Difference]: With dead ends: 52 [2018-11-28 18:21:34,596 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 18:21:34,597 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2018-11-28 18:21:34,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 18:21:34,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 18:21:34,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 18:21:34,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 18:21:34,598 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 49 [2018-11-28 18:21:34,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:21:34,598 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 18:21:34,598 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 18:21:34,598 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 18:21:34,598 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 18:21:34,604 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 18:21:34,913 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 6 [2018-11-28 18:21:35,113 WARN L180 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 10 DAG size of output: 8 [2018-11-28 18:21:35,329 WARN L180 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 10 DAG size of output: 8 [2018-11-28 18:21:35,332 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:21:35,332 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:21:35,332 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:21:35,332 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:21:35,332 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-28 18:21:35,332 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:21:35,332 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:21:35,332 INFO L448 ceAbstractionStarter]: For program point L448(lines 448 977) no Hoare annotation was computed. [2018-11-28 18:21:35,333 INFO L448 ceAbstractionStarter]: For program point L861(lines 861 941) no Hoare annotation was computed. [2018-11-28 18:21:35,333 INFO L448 ceAbstractionStarter]: For program point mainErr4ASSERT_VIOLATIONERROR_FUNCTION(line 140) no Hoare annotation was computed. [2018-11-28 18:21:35,333 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 272) no Hoare annotation was computed. [2018-11-28 18:21:35,333 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 12 1001) no Hoare annotation was computed. [2018-11-28 18:21:35,333 INFO L448 ceAbstractionStarter]: For program point L531(lines 531 555) no Hoare annotation was computed. [2018-11-28 18:21:35,333 INFO L448 ceAbstractionStarter]: For program point L878(line 878) no Hoare annotation was computed. [2018-11-28 18:21:35,333 INFO L448 ceAbstractionStarter]: For program point L746(lines 746 757) no Hoare annotation was computed. [2018-11-28 18:21:35,333 INFO L448 ceAbstractionStarter]: For program point L168(line 168) no Hoare annotation was computed. [2018-11-28 18:21:35,333 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 946) no Hoare annotation was computed. [2018-11-28 18:21:35,334 INFO L448 ceAbstractionStarter]: For program point L152(line 152) no Hoare annotation was computed. [2018-11-28 18:21:35,334 INFO L448 ceAbstractionStarter]: For program point L565(lines 565 968) no Hoare annotation was computed. [2018-11-28 18:21:35,334 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 938) no Hoare annotation was computed. [2018-11-28 18:21:35,334 INFO L448 ceAbstractionStarter]: For program point L780(lines 780 948) no Hoare annotation was computed. [2018-11-28 18:21:35,334 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-28 18:21:35,334 INFO L448 ceAbstractionStarter]: For program point L516(lines 516 971) no Hoare annotation was computed. [2018-11-28 18:21:35,334 INFO L448 ceAbstractionStarter]: For program point mainErr5ASSERT_VIOLATIONERROR_FUNCTION(line 152) no Hoare annotation was computed. [2018-11-28 18:21:35,334 INFO L444 ceAbstractionStarter]: At program point L863(lines 21 995) the Hoare annotation is: (and (<= main_~main__t~0 main_~main__tagbuf_len~0) (<= 0 main_~main__t~0)) [2018-11-28 18:21:35,334 INFO L448 ceAbstractionStarter]: For program point L252(line 252) no Hoare annotation was computed. [2018-11-28 18:21:35,335 INFO L448 ceAbstractionStarter]: For program point L599(lines 599 623) no Hoare annotation was computed. [2018-11-28 18:21:35,341 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 995) no Hoare annotation was computed. [2018-11-28 18:21:35,341 INFO L448 ceAbstractionStarter]: For program point L814(lines 814 825) no Hoare annotation was computed. [2018-11-28 18:21:35,341 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 12 1001) no Hoare annotation was computed. [2018-11-28 18:21:35,341 INFO L448 ceAbstractionStarter]: For program point mainErr3ASSERT_VIOLATIONERROR_FUNCTION(line 112) no Hoare annotation was computed. [2018-11-28 18:21:35,341 INFO L448 ceAbstractionStarter]: For program point L633(lines 633 962) no Hoare annotation was computed. [2018-11-28 18:21:35,341 INFO L448 ceAbstractionStarter]: For program point L914(line 914) no Hoare annotation was computed. [2018-11-28 18:21:35,343 INFO L448 ceAbstractionStarter]: For program point L848(lines 848 942) no Hoare annotation was computed. [2018-11-28 18:21:35,344 INFO L448 ceAbstractionStarter]: For program point L138(lines 138 231) no Hoare annotation was computed. [2018-11-28 18:21:35,344 INFO L448 ceAbstractionStarter]: For program point L584(lines 584 965) no Hoare annotation was computed. [2018-11-28 18:21:35,344 INFO L448 ceAbstractionStarter]: For program point L320(lines 320 988) no Hoare annotation was computed. [2018-11-28 18:21:35,344 INFO L448 ceAbstractionStarter]: For program point L667(lines 667 691) no Hoare annotation was computed. [2018-11-28 18:21:35,344 INFO L448 ceAbstractionStarter]: For program point L304(lines 304 990) no Hoare annotation was computed. [2018-11-28 18:21:35,344 INFO L444 ceAbstractionStarter]: At program point L899(lines 60 994) the Hoare annotation is: (and (<= main_~main__t~0 main_~main__tagbuf_len~0) (<= 1 main_~main__t~0)) [2018-11-28 18:21:35,344 INFO L448 ceAbstractionStarter]: For program point L701(lines 701 956) no Hoare annotation was computed. [2018-11-28 18:21:35,344 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 349) no Hoare annotation was computed. [2018-11-28 18:21:35,344 INFO L448 ceAbstractionStarter]: For program point L140(line 140) no Hoare annotation was computed. [2018-11-28 18:21:35,344 INFO L448 ceAbstractionStarter]: For program point L652(lines 652 959) no Hoare annotation was computed. [2018-11-28 18:21:35,345 INFO L448 ceAbstractionStarter]: For program point L41(lines 41 51) no Hoare annotation was computed. [2018-11-28 18:21:35,347 INFO L451 ceAbstractionStarter]: At program point L999(lines 17 1000) the Hoare annotation is: true [2018-11-28 18:21:35,348 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 31) no Hoare annotation was computed. [2018-11-28 18:21:35,348 INFO L448 ceAbstractionStarter]: For program point L388(lines 388 982) no Hoare annotation was computed. [2018-11-28 18:21:35,348 INFO L448 ceAbstractionStarter]: For program point L735(lines 735 759) no Hoare annotation was computed. [2018-11-28 18:21:35,348 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 280) no Hoare annotation was computed. [2018-11-28 18:21:35,348 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 984) no Hoare annotation was computed. [2018-11-28 18:21:35,348 INFO L448 ceAbstractionStarter]: For program point L769(lines 769 950) no Hoare annotation was computed. [2018-11-28 18:21:35,348 INFO L448 ceAbstractionStarter]: For program point L406(lines 406 417) no Hoare annotation was computed. [2018-11-28 18:21:35,348 INFO L448 ceAbstractionStarter]: For program point L720(lines 720 953) no Hoare annotation was computed. [2018-11-28 18:21:35,348 INFO L448 ceAbstractionStarter]: For program point mainErr8ASSERT_VIOLATIONERROR_FUNCTION(line 202) no Hoare annotation was computed. [2018-11-28 18:21:35,348 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-28 18:21:35,349 INFO L448 ceAbstractionStarter]: For program point L456(lines 456 976) no Hoare annotation was computed. [2018-11-28 18:21:35,349 INFO L444 ceAbstractionStarter]: At program point L935(lines 853 942) the Hoare annotation is: (and (<= main_~main__t~0 main_~main__tagbuf_len~0) (= main_~__VERIFIER_assert__cond~14 1) (<= 1 main_~main__t~0)) [2018-11-28 18:21:35,349 INFO L448 ceAbstractionStarter]: For program point L869(lines 869 940) no Hoare annotation was computed. [2018-11-28 18:21:35,349 INFO L448 ceAbstractionStarter]: For program point L803(lines 803 827) no Hoare annotation was computed. [2018-11-28 18:21:35,349 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 228) no Hoare annotation was computed. [2018-11-28 18:21:35,349 INFO L448 ceAbstractionStarter]: For program point L60(lines 60 994) no Hoare annotation was computed. [2018-11-28 18:21:35,349 INFO L448 ceAbstractionStarter]: For program point L440(lines 440 978) no Hoare annotation was computed. [2018-11-28 18:21:35,349 INFO L448 ceAbstractionStarter]: For program point mainErr15ASSERT_VIOLATIONERROR_FUNCTION(line 926) no Hoare annotation was computed. [2018-11-28 18:21:35,349 INFO L448 ceAbstractionStarter]: For program point L110(lines 110 118) no Hoare annotation was computed. [2018-11-28 18:21:35,350 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 944) no Hoare annotation was computed. [2018-11-28 18:21:35,350 INFO L448 ceAbstractionStarter]: For program point L127(lines 127 279) no Hoare annotation was computed. [2018-11-28 18:21:35,350 INFO L448 ceAbstractionStarter]: For program point L474(lines 474 485) no Hoare annotation was computed. [2018-11-28 18:21:35,350 INFO L448 ceAbstractionStarter]: For program point L788(lines 788 947) no Hoare annotation was computed. [2018-11-28 18:21:35,350 INFO L448 ceAbstractionStarter]: For program point L243(lines 243 278) no Hoare annotation was computed. [2018-11-28 18:21:35,350 INFO L448 ceAbstractionStarter]: For program point mainErr12ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2018-11-28 18:21:35,350 INFO L448 ceAbstractionStarter]: For program point mainErr10ASSERT_VIOLATIONERROR_FUNCTION(line 252) no Hoare annotation was computed. [2018-11-28 18:21:35,350 INFO L448 ceAbstractionStarter]: For program point L78(lines 78 281) no Hoare annotation was computed. [2018-11-28 18:21:35,350 INFO L448 ceAbstractionStarter]: For program point L524(lines 524 970) no Hoare annotation was computed. [2018-11-28 18:21:35,350 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 992) no Hoare annotation was computed. [2018-11-28 18:21:35,351 INFO L448 ceAbstractionStarter]: For program point L29(lines 29 53) no Hoare annotation was computed. [2018-11-28 18:21:35,351 INFO L448 ceAbstractionStarter]: For program point L508(lines 508 972) no Hoare annotation was computed. [2018-11-28 18:21:35,351 INFO L448 ceAbstractionStarter]: For program point L888(lines 888 900) no Hoare annotation was computed. [2018-11-28 18:21:35,351 INFO L444 ceAbstractionStarter]: At program point L277(lines 127 279) the Hoare annotation is: (and (<= main_~main__t~0 main_~main__tagbuf_len~0) (not (= main_~main__tagbuf_len~0 main_~main__t~0)) (<= 1 main_~main__t~0)) [2018-11-28 18:21:35,351 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 186) no Hoare annotation was computed. [2018-11-28 18:21:35,351 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-28 18:21:35,351 INFO L448 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 43) no Hoare annotation was computed. [2018-11-28 18:21:35,351 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 351) no Hoare annotation was computed. [2018-11-28 18:21:35,351 INFO L448 ceAbstractionStarter]: For program point mainErr7ASSERT_VIOLATIONERROR_FUNCTION(line 180) no Hoare annotation was computed. [2018-11-28 18:21:35,351 INFO L448 ceAbstractionStarter]: For program point L542(lines 542 553) no Hoare annotation was computed. [2018-11-28 18:21:35,352 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 12 1001) the Hoare annotation is: true [2018-11-28 18:21:35,352 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 224) no Hoare annotation was computed. [2018-11-28 18:21:35,352 INFO L448 ceAbstractionStarter]: For program point L592(lines 592 964) no Hoare annotation was computed. [2018-11-28 18:21:35,352 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 986) no Hoare annotation was computed. [2018-11-28 18:21:35,352 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 270) no Hoare annotation was computed. [2018-11-28 18:21:35,352 INFO L448 ceAbstractionStarter]: For program point L576(lines 576 966) no Hoare annotation was computed. [2018-11-28 18:21:35,352 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-28 18:21:35,352 INFO L448 ceAbstractionStarter]: For program point mainErr14ASSERT_VIOLATIONERROR_FUNCTION(line 914) no Hoare annotation was computed. [2018-11-28 18:21:35,352 INFO L448 ceAbstractionStarter]: For program point L890(line 890) no Hoare annotation was computed. [2018-11-28 18:21:35,352 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 989) no Hoare annotation was computed. [2018-11-28 18:21:35,352 INFO L448 ceAbstractionStarter]: For program point L180(line 180) no Hoare annotation was computed. [2018-11-28 18:21:35,356 INFO L448 ceAbstractionStarter]: For program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 100) no Hoare annotation was computed. [2018-11-28 18:21:35,356 INFO L448 ceAbstractionStarter]: For program point L395(lines 395 419) no Hoare annotation was computed. [2018-11-28 18:21:35,356 INFO L448 ceAbstractionStarter]: For program point L131(lines 131 237) no Hoare annotation was computed. [2018-11-28 18:21:35,356 INFO L448 ceAbstractionStarter]: For program point L98(lines 98 120) no Hoare annotation was computed. [2018-11-28 18:21:35,356 INFO L448 ceAbstractionStarter]: For program point mainErr11ASSERT_VIOLATIONERROR_FUNCTION(line 264) no Hoare annotation was computed. [2018-11-28 18:21:35,356 INFO L448 ceAbstractionStarter]: For program point L610(lines 610 621) no Hoare annotation was computed. [2018-11-28 18:21:35,356 INFO L448 ceAbstractionStarter]: For program point L924(lines 924 936) no Hoare annotation was computed. [2018-11-28 18:21:35,356 INFO L448 ceAbstractionStarter]: For program point L214(line 214) no Hoare annotation was computed. [2018-11-28 18:21:35,356 INFO L448 ceAbstractionStarter]: For program point L660(lines 660 958) no Hoare annotation was computed. [2018-11-28 18:21:35,357 INFO L448 ceAbstractionStarter]: For program point L429(lines 429 980) no Hoare annotation was computed. [2018-11-28 18:21:35,357 INFO L448 ceAbstractionStarter]: For program point mainErr13ASSERT_VIOLATIONERROR_FUNCTION(line 890) no Hoare annotation was computed. [2018-11-28 18:21:35,357 INFO L448 ceAbstractionStarter]: For program point L264(line 264) no Hoare annotation was computed. [2018-11-28 18:21:35,357 INFO L448 ceAbstractionStarter]: For program point L644(lines 644 960) no Hoare annotation was computed. [2018-11-28 18:21:35,357 INFO L448 ceAbstractionStarter]: For program point mainErr6ASSERT_VIOLATIONERROR_FUNCTION(line 168) no Hoare annotation was computed. [2018-11-28 18:21:35,357 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 983) no Hoare annotation was computed. [2018-11-28 18:21:35,357 INFO L448 ceAbstractionStarter]: For program point L17(lines 17 1000) no Hoare annotation was computed. [2018-11-28 18:21:35,357 INFO L448 ceAbstractionStarter]: For program point L463(lines 463 487) no Hoare annotation was computed. [2018-11-28 18:21:35,357 INFO L448 ceAbstractionStarter]: For program point L876(lines 876 902) no Hoare annotation was computed. [2018-11-28 18:21:35,357 INFO L448 ceAbstractionStarter]: For program point L166(lines 166 188) no Hoare annotation was computed. [2018-11-28 18:21:35,358 INFO L448 ceAbstractionStarter]: For program point L678(lines 678 689) no Hoare annotation was computed. [2018-11-28 18:21:35,360 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-28 18:21:35,360 INFO L448 ceAbstractionStarter]: For program point L67(lines 67 283) no Hoare annotation was computed. [2018-11-28 18:21:35,360 INFO L448 ceAbstractionStarter]: For program point L926(line 926) no Hoare annotation was computed. [2018-11-28 18:21:35,360 INFO L448 ceAbstractionStarter]: For program point mainErr9ASSERT_VIOLATIONERROR_FUNCTION(line 214) no Hoare annotation was computed. [2018-11-28 18:21:35,360 INFO L448 ceAbstractionStarter]: For program point L728(lines 728 952) no Hoare annotation was computed. [2018-11-28 18:21:35,360 INFO L448 ceAbstractionStarter]: For program point L150(lines 150 229) no Hoare annotation was computed. [2018-11-28 18:21:35,360 INFO L448 ceAbstractionStarter]: For program point L497(lines 497 974) no Hoare annotation was computed. [2018-11-28 18:21:35,361 INFO L448 ceAbstractionStarter]: For program point L200(lines 200 226) no Hoare annotation was computed. [2018-11-28 18:21:35,361 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 954) no Hoare annotation was computed. [2018-11-28 18:21:35,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:21:35 BoogieIcfgContainer [2018-11-28 18:21:35,395 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:21:35,396 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:21:35,396 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:21:35,396 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:21:35,398 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:21:23" (3/4) ... [2018-11-28 18:21:35,404 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 18:21:35,412 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 18:21:35,412 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 18:21:35,427 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 18:21:35,428 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-28 18:21:35,598 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:21:35,598 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:21:35,600 INFO L168 Benchmark]: Toolchain (without parser) took 14516.64 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 288.9 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -168.4 MB). Peak memory consumption was 120.5 MB. Max. memory is 11.5 GB. [2018-11-28 18:21:35,601 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:21:35,601 INFO L168 Benchmark]: CACSL2BoogieTranslator took 555.32 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 924.5 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-28 18:21:35,602 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.79 ms. Allocated memory is still 1.0 GB. Free memory is still 924.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:21:35,602 INFO L168 Benchmark]: Boogie Preprocessor took 132.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 924.5 MB in the beginning and 1.1 GB in the end (delta: -193.8 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2018-11-28 18:21:35,602 INFO L168 Benchmark]: RCFGBuilder took 1211.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 51.2 MB). Peak memory consumption was 51.2 MB. Max. memory is 11.5 GB. [2018-11-28 18:21:35,603 INFO L168 Benchmark]: TraceAbstraction took 12378.49 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 158.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -56.5 MB). Peak memory consumption was 102.4 MB. Max. memory is 11.5 GB. [2018-11-28 18:21:35,603 INFO L168 Benchmark]: Witness Printer took 202.74 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 11.5 GB. [2018-11-28 18:21:35,609 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 555.32 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 924.5 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.79 ms. Allocated memory is still 1.0 GB. Free memory is still 924.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 132.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 924.5 MB in the beginning and 1.1 GB in the end (delta: -193.8 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1211.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 51.2 MB). Peak memory consumption was 51.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12378.49 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 158.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -56.5 MB). Peak memory consumption was 102.4 MB. Max. memory is 11.5 GB. * Witness Printer took 202.74 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 180]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 43]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 890]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 214]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 878]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 926]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 100]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 112]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 140]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 914]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 252]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 152]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 264]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 31]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 168]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 202]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 16 specifications checked. All of them hold - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: main__t <= main__tagbuf_len && 0 <= main__t - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: main__t <= main__tagbuf_len && 1 <= main__t - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: (main__t <= main__tagbuf_len && __VERIFIER_assert__cond == 1) && 1 <= main__t - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: (main__t <= main__tagbuf_len && !(main__tagbuf_len == main__t)) && 1 <= main__t - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 125 locations, 16 error locations. SAFE Result, 12.2s OverallTime, 16 OverallIterations, 1 TraceHistogramMax, 8.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 530 SDtfs, 3153 SDslu, 1131 SDs, 0 SdLazy, 3796 SolverSat, 713 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 195 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=125occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 16 MinimizatonAttempts, 284 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 13 NumberOfFragments, 40 HoareAnnotationTreeSize, 9 FomulaSimplifications, 60910 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 9 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 396 NumberOfCodeBlocks, 396 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 380 ConstructedInterpolants, 0 QuantifiedInterpolants, 21650 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...