./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/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 ../sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.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 80abb928521d4c2048eaebb41a9ea5bc19908ad5 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 00:21:07,759 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 00:21:07,761 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 00:21:07,774 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 00:21:07,774 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 00:21:07,775 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 00:21:07,777 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 00:21:07,779 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 00:21:07,781 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 00:21:07,782 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 00:21:07,783 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 00:21:07,785 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 00:21:07,785 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 00:21:07,786 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 00:21:07,787 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 00:21:07,789 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 00:21:07,790 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 00:21:07,791 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 00:21:07,793 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 00:21:07,795 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 00:21:07,797 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 00:21:07,798 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 00:21:07,800 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 00:21:07,801 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 00:21:07,803 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 00:21:07,804 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 00:21:07,804 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 00:21:07,805 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 00:21:07,806 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 00:21:07,807 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 00:21:07,807 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 00:21:07,808 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 00:21:07,809 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 00:21:07,810 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 00:21:07,811 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 00:21:07,812 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 00:21:07,812 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 00:21:07,813 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 00:21:07,813 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 00:21:07,814 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 00:21:07,815 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 00:21:07,816 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-28 00:21:07,831 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 00:21:07,831 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 00:21:07,833 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 00:21:07,833 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 00:21:07,833 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 00:21:07,834 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 00:21:07,834 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 00:21:07,834 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 00:21:07,835 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 00:21:07,835 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 00:21:07,835 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 00:21:07,836 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 00:21:07,836 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 00:21:07,836 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 00:21:07,836 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 00:21:07,837 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 00:21:07,837 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 00:21:07,837 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 00:21:07,838 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 00:21:07,838 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 00:21:07,838 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 00:21:07,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 00:21:07,839 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 00:21:07,839 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 00:21:07,839 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 00:21:07,840 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 00:21:07,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 00:21:07,840 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 00:21:07,841 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> 80abb928521d4c2048eaebb41a9ea5bc19908ad5 [2019-11-28 00:21:08,188 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 00:21:08,209 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 00:21:08,212 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 00:21:08,214 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 00:21:08,215 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 00:21:08,216 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c [2019-11-28 00:21:08,289 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ffbdd38f/56bd6edbd63945f8827e40e41928b257/FLAGa1ac1d3e2 [2019-11-28 00:21:08,850 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 00:21:08,851 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c [2019-11-28 00:21:08,864 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ffbdd38f/56bd6edbd63945f8827e40e41928b257/FLAGa1ac1d3e2 [2019-11-28 00:21:09,125 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ffbdd38f/56bd6edbd63945f8827e40e41928b257 [2019-11-28 00:21:09,128 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 00:21:09,130 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 00:21:09,131 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 00:21:09,131 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 00:21:09,135 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 00:21:09,136 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:21:09" (1/1) ... [2019-11-28 00:21:09,139 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f6826a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:09, skipping insertion in model container [2019-11-28 00:21:09,139 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:21:09" (1/1) ... [2019-11-28 00:21:09,147 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 00:21:09,188 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 00:21:09,686 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:21:09,708 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 00:21:09,801 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 00:21:09,839 INFO L208 MainTranslator]: Completed translation [2019-11-28 00:21:09,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:09 WrapperNode [2019-11-28 00:21:09,841 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 00:21:09,842 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 00:21:09,842 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 00:21:09,842 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 00:21:09,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:09" (1/1) ... [2019-11-28 00:21:09,869 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:09" (1/1) ... [2019-11-28 00:21:09,918 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 00:21:09,918 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 00:21:09,918 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 00:21:09,918 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 00:21:09,935 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:09" (1/1) ... [2019-11-28 00:21:09,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:09" (1/1) ... [2019-11-28 00:21:09,940 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:09" (1/1) ... [2019-11-28 00:21:09,940 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:09" (1/1) ... [2019-11-28 00:21:09,954 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:09" (1/1) ... [2019-11-28 00:21:09,969 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:09" (1/1) ... [2019-11-28 00:21:09,973 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:09" (1/1) ... [2019-11-28 00:21:09,978 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 00:21:09,979 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 00:21:09,979 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 00:21:09,979 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 00:21:09,980 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:09" (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 [2019-11-28 00:21:10,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 00:21:10,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 00:21:10,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 00:21:10,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 00:21:10,996 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 00:21:10,997 INFO L297 CfgBuilder]: Removed 160 assume(true) statements. [2019-11-28 00:21:10,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:21:10 BoogieIcfgContainer [2019-11-28 00:21:10,998 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 00:21:11,001 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 00:21:11,001 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 00:21:11,007 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 00:21:11,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:21:09" (1/3) ... [2019-11-28 00:21:11,009 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f9de545 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:21:11, skipping insertion in model container [2019-11-28 00:21:11,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:21:09" (2/3) ... [2019-11-28 00:21:11,010 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f9de545 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:21:11, skipping insertion in model container [2019-11-28 00:21:11,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:21:10" (3/3) ... [2019-11-28 00:21:11,015 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product50.cil.c [2019-11-28 00:21:11,026 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 00:21:11,034 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-28 00:21:11,048 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-28 00:21:11,073 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 00:21:11,074 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 00:21:11,074 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 00:21:11,074 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 00:21:11,074 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 00:21:11,075 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 00:21:11,075 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 00:21:11,075 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 00:21:11,096 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states. [2019-11-28 00:21:11,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-28 00:21:11,105 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:11,106 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:11,106 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:11,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:11,112 INFO L82 PathProgramCache]: Analyzing trace with hash -458581887, now seen corresponding path program 1 times [2019-11-28 00:21:11,119 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:11,119 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243580069] [2019-11-28 00:21:11,120 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:11,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:11,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:21:11,358 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243580069] [2019-11-28 00:21:11,359 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:11,359 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:21:11,360 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333283468] [2019-11-28 00:21:11,366 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-28 00:21:11,366 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:11,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-28 00:21:11,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 00:21:11,384 INFO L87 Difference]: Start difference. First operand 121 states. Second operand 2 states. [2019-11-28 00:21:11,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:11,422 INFO L93 Difference]: Finished difference Result 235 states and 360 transitions. [2019-11-28 00:21:11,422 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 00:21:11,424 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-11-28 00:21:11,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:11,438 INFO L225 Difference]: With dead ends: 235 [2019-11-28 00:21:11,438 INFO L226 Difference]: Without dead ends: 117 [2019-11-28 00:21:11,442 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-28 00:21:11,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2019-11-28 00:21:11,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2019-11-28 00:21:11,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2019-11-28 00:21:11,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 172 transitions. [2019-11-28 00:21:11,495 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 172 transitions. Word has length 18 [2019-11-28 00:21:11,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:11,495 INFO L462 AbstractCegarLoop]: Abstraction has 117 states and 172 transitions. [2019-11-28 00:21:11,496 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-28 00:21:11,496 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 172 transitions. [2019-11-28 00:21:11,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-28 00:21:11,497 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:11,497 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:11,498 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:11,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:11,498 INFO L82 PathProgramCache]: Analyzing trace with hash -356027389, now seen corresponding path program 1 times [2019-11-28 00:21:11,499 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:11,499 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915870555] [2019-11-28 00:21:11,499 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:11,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:11,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:21:11,674 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915870555] [2019-11-28 00:21:11,674 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:11,674 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:21:11,675 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761256837] [2019-11-28 00:21:11,677 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:11,677 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:11,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:11,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:11,679 INFO L87 Difference]: Start difference. First operand 117 states and 172 transitions. Second operand 3 states. [2019-11-28 00:21:11,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:11,698 INFO L93 Difference]: Finished difference Result 117 states and 172 transitions. [2019-11-28 00:21:11,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:11,699 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-28 00:21:11,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:11,700 INFO L225 Difference]: With dead ends: 117 [2019-11-28 00:21:11,700 INFO L226 Difference]: Without dead ends: 49 [2019-11-28 00:21:11,701 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:11,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-11-28 00:21:11,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2019-11-28 00:21:11,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-11-28 00:21:11,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2019-11-28 00:21:11,708 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2019-11-28 00:21:11,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:11,708 INFO L462 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2019-11-28 00:21:11,709 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:11,709 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2019-11-28 00:21:11,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-28 00:21:11,710 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:11,710 INFO L410 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] [2019-11-28 00:21:11,710 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:11,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:11,711 INFO L82 PathProgramCache]: Analyzing trace with hash 988842679, now seen corresponding path program 1 times [2019-11-28 00:21:11,711 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:11,711 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878843638] [2019-11-28 00:21:11,713 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:11,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:11,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:21:11,808 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878843638] [2019-11-28 00:21:11,809 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:11,809 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:21:11,809 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793923913] [2019-11-28 00:21:11,809 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:11,810 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:11,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:11,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:11,810 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand 3 states. [2019-11-28 00:21:11,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:11,844 INFO L93 Difference]: Finished difference Result 91 states and 135 transitions. [2019-11-28 00:21:11,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:11,845 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-11-28 00:21:11,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:11,846 INFO L225 Difference]: With dead ends: 91 [2019-11-28 00:21:11,846 INFO L226 Difference]: Without dead ends: 49 [2019-11-28 00:21:11,847 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:11,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-11-28 00:21:11,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2019-11-28 00:21:11,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-11-28 00:21:11,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2019-11-28 00:21:11,862 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 24 [2019-11-28 00:21:11,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:11,863 INFO L462 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2019-11-28 00:21:11,863 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:11,863 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2019-11-28 00:21:11,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-11-28 00:21:11,864 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:11,865 INFO L410 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] [2019-11-28 00:21:11,865 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:11,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:11,866 INFO L82 PathProgramCache]: Analyzing trace with hash -524841611, now seen corresponding path program 1 times [2019-11-28 00:21:11,866 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:11,866 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80520116] [2019-11-28 00:21:11,866 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:11,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:11,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:21:11,974 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80520116] [2019-11-28 00:21:11,975 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:11,975 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:21:11,975 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621499438] [2019-11-28 00:21:11,976 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:11,977 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:11,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:11,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:11,978 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand 3 states. [2019-11-28 00:21:12,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:12,027 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2019-11-28 00:21:12,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:12,029 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-11-28 00:21:12,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:12,030 INFO L225 Difference]: With dead ends: 113 [2019-11-28 00:21:12,030 INFO L226 Difference]: Without dead ends: 71 [2019-11-28 00:21:12,031 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:12,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-11-28 00:21:12,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 69. [2019-11-28 00:21:12,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2019-11-28 00:21:12,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 98 transitions. [2019-11-28 00:21:12,041 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 98 transitions. Word has length 26 [2019-11-28 00:21:12,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:12,042 INFO L462 AbstractCegarLoop]: Abstraction has 69 states and 98 transitions. [2019-11-28 00:21:12,042 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:12,042 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 98 transitions. [2019-11-28 00:21:12,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-28 00:21:12,043 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:12,043 INFO L410 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] [2019-11-28 00:21:12,044 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:12,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:12,044 INFO L82 PathProgramCache]: Analyzing trace with hash -65166556, now seen corresponding path program 1 times [2019-11-28 00:21:12,044 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:12,045 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184883703] [2019-11-28 00:21:12,045 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:12,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:12,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:21:12,123 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184883703] [2019-11-28 00:21:12,123 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:12,123 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 00:21:12,124 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359731332] [2019-11-28 00:21:12,124 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:21:12,124 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:12,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:21:12,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:12,125 INFO L87 Difference]: Start difference. First operand 69 states and 98 transitions. Second operand 5 states. [2019-11-28 00:21:12,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:12,253 INFO L93 Difference]: Finished difference Result 182 states and 258 transitions. [2019-11-28 00:21:12,253 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 00:21:12,254 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-28 00:21:12,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:12,255 INFO L225 Difference]: With dead ends: 182 [2019-11-28 00:21:12,255 INFO L226 Difference]: Without dead ends: 120 [2019-11-28 00:21:12,257 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-28 00:21:12,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2019-11-28 00:21:12,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 75. [2019-11-28 00:21:12,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2019-11-28 00:21:12,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 104 transitions. [2019-11-28 00:21:12,275 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 104 transitions. Word has length 32 [2019-11-28 00:21:12,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:12,281 INFO L462 AbstractCegarLoop]: Abstraction has 75 states and 104 transitions. [2019-11-28 00:21:12,281 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:21:12,281 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 104 transitions. [2019-11-28 00:21:12,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-28 00:21:12,284 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:12,285 INFO L410 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] [2019-11-28 00:21:12,285 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:12,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:12,286 INFO L82 PathProgramCache]: Analyzing trace with hash 868297153, now seen corresponding path program 1 times [2019-11-28 00:21:12,287 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:12,287 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988000994] [2019-11-28 00:21:12,287 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:12,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:12,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:21:12,406 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988000994] [2019-11-28 00:21:12,406 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:12,406 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:21:12,407 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970062687] [2019-11-28 00:21:12,408 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:21:12,408 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:12,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:21:12,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:12,409 INFO L87 Difference]: Start difference. First operand 75 states and 104 transitions. Second operand 5 states. [2019-11-28 00:21:12,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:12,506 INFO L93 Difference]: Finished difference Result 387 states and 547 transitions. [2019-11-28 00:21:12,507 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 00:21:12,507 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-11-28 00:21:12,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:12,509 INFO L225 Difference]: With dead ends: 387 [2019-11-28 00:21:12,510 INFO L226 Difference]: Without dead ends: 319 [2019-11-28 00:21:12,511 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-28 00:21:12,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2019-11-28 00:21:12,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 135. [2019-11-28 00:21:12,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2019-11-28 00:21:12,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 186 transitions. [2019-11-28 00:21:12,529 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 186 transitions. Word has length 32 [2019-11-28 00:21:12,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:12,530 INFO L462 AbstractCegarLoop]: Abstraction has 135 states and 186 transitions. [2019-11-28 00:21:12,530 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:21:12,530 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 186 transitions. [2019-11-28 00:21:12,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 00:21:12,532 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:12,532 INFO L410 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] [2019-11-28 00:21:12,532 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:12,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:12,533 INFO L82 PathProgramCache]: Analyzing trace with hash 868140617, now seen corresponding path program 1 times [2019-11-28 00:21:12,533 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:12,534 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089456419] [2019-11-28 00:21:12,534 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:12,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:12,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:21:12,594 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089456419] [2019-11-28 00:21:12,594 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:12,595 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-28 00:21:12,595 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281320816] [2019-11-28 00:21:12,595 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:21:12,596 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:12,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:21:12,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:12,597 INFO L87 Difference]: Start difference. First operand 135 states and 186 transitions. Second operand 5 states. [2019-11-28 00:21:12,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:12,760 INFO L93 Difference]: Finished difference Result 506 states and 701 transitions. [2019-11-28 00:21:12,761 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-28 00:21:12,761 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-11-28 00:21:12,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:12,763 INFO L225 Difference]: With dead ends: 506 [2019-11-28 00:21:12,764 INFO L226 Difference]: Without dead ends: 378 [2019-11-28 00:21:12,765 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-11-28 00:21:12,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2019-11-28 00:21:12,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 134. [2019-11-28 00:21:12,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-11-28 00:21:12,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 183 transitions. [2019-11-28 00:21:12,791 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 183 transitions. Word has length 33 [2019-11-28 00:21:12,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:12,793 INFO L462 AbstractCegarLoop]: Abstraction has 134 states and 183 transitions. [2019-11-28 00:21:12,793 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:21:12,793 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 183 transitions. [2019-11-28 00:21:12,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 00:21:12,798 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:12,799 INFO L410 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] [2019-11-28 00:21:12,799 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:12,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:12,800 INFO L82 PathProgramCache]: Analyzing trace with hash 635741486, now seen corresponding path program 1 times [2019-11-28 00:21:12,800 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:12,801 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625945291] [2019-11-28 00:21:12,801 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:12,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:12,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:21:12,862 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625945291] [2019-11-28 00:21:12,862 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:12,862 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 00:21:12,864 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165449653] [2019-11-28 00:21:12,864 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:21:12,865 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:12,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:21:12,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:12,866 INFO L87 Difference]: Start difference. First operand 134 states and 183 transitions. Second operand 5 states. [2019-11-28 00:21:12,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:12,963 INFO L93 Difference]: Finished difference Result 357 states and 483 transitions. [2019-11-28 00:21:12,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 00:21:12,963 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-11-28 00:21:12,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:12,965 INFO L225 Difference]: With dead ends: 357 [2019-11-28 00:21:12,965 INFO L226 Difference]: Without dead ends: 230 [2019-11-28 00:21:12,966 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-28 00:21:12,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2019-11-28 00:21:12,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 142. [2019-11-28 00:21:12,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2019-11-28 00:21:12,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 191 transitions. [2019-11-28 00:21:12,979 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 191 transitions. Word has length 33 [2019-11-28 00:21:12,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:12,980 INFO L462 AbstractCegarLoop]: Abstraction has 142 states and 191 transitions. [2019-11-28 00:21:12,980 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:21:12,980 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 191 transitions. [2019-11-28 00:21:12,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-28 00:21:12,981 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:12,981 INFO L410 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] [2019-11-28 00:21:12,981 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:12,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:12,982 INFO L82 PathProgramCache]: Analyzing trace with hash 48935472, now seen corresponding path program 1 times [2019-11-28 00:21:12,982 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:12,982 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065902144] [2019-11-28 00:21:12,982 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:12,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:13,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:21:13,020 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065902144] [2019-11-28 00:21:13,020 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:13,020 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 00:21:13,020 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895674080] [2019-11-28 00:21:13,021 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:13,021 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:13,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:13,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:13,022 INFO L87 Difference]: Start difference. First operand 142 states and 191 transitions. Second operand 3 states. [2019-11-28 00:21:13,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:13,057 INFO L93 Difference]: Finished difference Result 327 states and 439 transitions. [2019-11-28 00:21:13,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:13,058 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2019-11-28 00:21:13,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:13,059 INFO L225 Difference]: With dead ends: 327 [2019-11-28 00:21:13,059 INFO L226 Difference]: Without dead ends: 192 [2019-11-28 00:21:13,060 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:13,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2019-11-28 00:21:13,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192. [2019-11-28 00:21:13,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2019-11-28 00:21:13,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 251 transitions. [2019-11-28 00:21:13,080 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 251 transitions. Word has length 33 [2019-11-28 00:21:13,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:13,081 INFO L462 AbstractCegarLoop]: Abstraction has 192 states and 251 transitions. [2019-11-28 00:21:13,081 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:13,081 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 251 transitions. [2019-11-28 00:21:13,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-28 00:21:13,082 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:13,082 INFO L410 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] [2019-11-28 00:21:13,082 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:13,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:13,083 INFO L82 PathProgramCache]: Analyzing trace with hash 1943567600, now seen corresponding path program 1 times [2019-11-28 00:21:13,083 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:13,083 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164482358] [2019-11-28 00:21:13,083 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:13,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:13,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:21:13,130 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164482358] [2019-11-28 00:21:13,130 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:13,130 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 00:21:13,130 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368966845] [2019-11-28 00:21:13,131 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:13,131 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:13,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:13,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:13,132 INFO L87 Difference]: Start difference. First operand 192 states and 251 transitions. Second operand 3 states. [2019-11-28 00:21:13,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:13,182 INFO L93 Difference]: Finished difference Result 295 states and 389 transitions. [2019-11-28 00:21:13,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:13,183 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-11-28 00:21:13,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:13,185 INFO L225 Difference]: With dead ends: 295 [2019-11-28 00:21:13,185 INFO L226 Difference]: Without dead ends: 293 [2019-11-28 00:21:13,186 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 00:21:13,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2019-11-28 00:21:13,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 234. [2019-11-28 00:21:13,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2019-11-28 00:21:13,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 313 transitions. [2019-11-28 00:21:13,237 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 313 transitions. Word has length 34 [2019-11-28 00:21:13,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:13,237 INFO L462 AbstractCegarLoop]: Abstraction has 234 states and 313 transitions. [2019-11-28 00:21:13,237 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:13,238 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 313 transitions. [2019-11-28 00:21:13,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-28 00:21:13,239 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:13,239 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:13,239 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:13,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:13,240 INFO L82 PathProgramCache]: Analyzing trace with hash 496339190, now seen corresponding path program 1 times [2019-11-28 00:21:13,240 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:13,240 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494596161] [2019-11-28 00:21:13,240 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:13,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:13,304 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 23 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:21:13,304 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494596161] [2019-11-28 00:21:13,305 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1571819201] [2019-11-28 00:21:13,305 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 00:21:13,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:13,456 INFO L255 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 00:21:13,464 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 00:21:13,499 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:21:13,499 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-28 00:21:13,499 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2019-11-28 00:21:13,500 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875148873] [2019-11-28 00:21:13,500 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-28 00:21:13,500 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:13,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 00:21:13,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:13,501 INFO L87 Difference]: Start difference. First operand 234 states and 313 transitions. Second operand 3 states. [2019-11-28 00:21:13,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:13,568 INFO L93 Difference]: Finished difference Result 374 states and 510 transitions. [2019-11-28 00:21:13,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 00:21:13,569 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2019-11-28 00:21:13,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:13,570 INFO L225 Difference]: With dead ends: 374 [2019-11-28 00:21:13,570 INFO L226 Difference]: Without dead ends: 197 [2019-11-28 00:21:13,571 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-28 00:21:13,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2019-11-28 00:21:13,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2019-11-28 00:21:13,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2019-11-28 00:21:13,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 255 transitions. [2019-11-28 00:21:13,589 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 255 transitions. Word has length 58 [2019-11-28 00:21:13,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:13,589 INFO L462 AbstractCegarLoop]: Abstraction has 197 states and 255 transitions. [2019-11-28 00:21:13,589 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-28 00:21:13,589 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 255 transitions. [2019-11-28 00:21:13,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-28 00:21:13,590 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:13,590 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:13,804 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 00:21:13,805 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:13,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:13,805 INFO L82 PathProgramCache]: Analyzing trace with hash 985757466, now seen corresponding path program 1 times [2019-11-28 00:21:13,806 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:13,806 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65148563] [2019-11-28 00:21:13,806 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:13,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:13,882 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-28 00:21:13,883 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65148563] [2019-11-28 00:21:13,883 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [538625046] [2019-11-28 00:21:13,883 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 00:21:14,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:14,013 INFO L255 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 00:21:14,027 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 00:21:14,065 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-28 00:21:14,066 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-28 00:21:14,066 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2019-11-28 00:21:14,066 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064844534] [2019-11-28 00:21:14,067 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-28 00:21:14,067 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:14,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 00:21:14,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2019-11-28 00:21:14,068 INFO L87 Difference]: Start difference. First operand 197 states and 255 transitions. Second operand 5 states. [2019-11-28 00:21:14,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:14,132 INFO L93 Difference]: Finished difference Result 494 states and 655 transitions. [2019-11-28 00:21:14,133 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 00:21:14,133 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2019-11-28 00:21:14,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:14,135 INFO L225 Difference]: With dead ends: 494 [2019-11-28 00:21:14,135 INFO L226 Difference]: Without dead ends: 354 [2019-11-28 00:21:14,136 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-11-28 00:21:14,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2019-11-28 00:21:14,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 203. [2019-11-28 00:21:14,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2019-11-28 00:21:14,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 261 transitions. [2019-11-28 00:21:14,154 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 261 transitions. Word has length 58 [2019-11-28 00:21:14,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:14,154 INFO L462 AbstractCegarLoop]: Abstraction has 203 states and 261 transitions. [2019-11-28 00:21:14,154 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-28 00:21:14,155 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 261 transitions. [2019-11-28 00:21:14,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-28 00:21:14,156 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 00:21:14,156 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 00:21:14,361 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 00:21:14,362 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-28 00:21:14,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 00:21:14,362 INFO L82 PathProgramCache]: Analyzing trace with hash 727592028, now seen corresponding path program 1 times [2019-11-28 00:21:14,362 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 00:21:14,362 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310342790] [2019-11-28 00:21:14,362 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 00:21:14,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 00:21:14,491 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 00:21:14,494 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310342790] [2019-11-28 00:21:14,498 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 00:21:14,499 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-28 00:21:14,499 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819811204] [2019-11-28 00:21:14,500 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-28 00:21:14,500 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 00:21:14,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 00:21:14,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 00:21:14,502 INFO L87 Difference]: Start difference. First operand 203 states and 261 transitions. Second operand 6 states. [2019-11-28 00:21:14,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 00:21:14,673 INFO L93 Difference]: Finished difference Result 585 states and 768 transitions. [2019-11-28 00:21:14,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 00:21:14,674 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2019-11-28 00:21:14,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 00:21:14,674 INFO L225 Difference]: With dead ends: 585 [2019-11-28 00:21:14,675 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 00:21:14,676 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2019-11-28 00:21:14,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 00:21:14,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 00:21:14,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 00:21:14,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 00:21:14,677 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2019-11-28 00:21:14,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 00:21:14,677 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 00:21:14,677 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-28 00:21:14,677 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 00:21:14,677 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 00:21:14,682 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 00:21:14,821 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 70 [2019-11-28 00:21:15,058 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 81 [2019-11-28 00:21:15,196 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 79 [2019-11-28 00:21:15,421 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 71 [2019-11-28 00:21:15,610 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 79 [2019-11-28 00:21:15,781 WARN L192 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 78 [2019-11-28 00:21:16,098 WARN L192 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 18 [2019-11-28 00:21:16,371 WARN L192 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 18 [2019-11-28 00:21:16,629 WARN L192 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 22 [2019-11-28 00:21:16,882 WARN L192 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 19 [2019-11-28 00:21:17,096 WARN L192 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 24 [2019-11-28 00:21:17,370 WARN L192 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 22 [2019-11-28 00:21:17,486 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 19 [2019-11-28 00:21:17,725 WARN L192 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 19 [2019-11-28 00:21:17,988 WARN L192 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 22 [2019-11-28 00:21:18,371 WARN L192 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 28 [2019-11-28 00:21:18,376 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 976) no Hoare annotation was computed. [2019-11-28 00:21:18,376 INFO L242 CegarLoopResult]: At program point L597(lines 548 598) the Hoare annotation is: false [2019-11-28 00:21:18,377 INFO L246 CegarLoopResult]: For program point L399(lines 399 416) no Hoare annotation was computed. [2019-11-28 00:21:18,377 INFO L246 CegarLoopResult]: For program point L399-1(lines 399 416) no Hoare annotation was computed. [2019-11-28 00:21:18,377 INFO L246 CegarLoopResult]: For program point L399-2(lines 399 416) no Hoare annotation was computed. [2019-11-28 00:21:18,377 INFO L246 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2019-11-28 00:21:18,377 INFO L246 CegarLoopResult]: For program point L201(lines 201 218) no Hoare annotation was computed. [2019-11-28 00:21:18,377 INFO L242 CegarLoopResult]: At program point L201-1(lines 1 979) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 (= 0 ~methAndRunningLastTime~0)) (and .cse0 (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse1))) [2019-11-28 00:21:18,378 INFO L246 CegarLoopResult]: For program point L234-3(lines 234 238) no Hoare annotation was computed. [2019-11-28 00:21:18,378 INFO L246 CegarLoopResult]: For program point L201-2(lines 201 218) no Hoare annotation was computed. [2019-11-28 00:21:18,378 INFO L242 CegarLoopResult]: At program point L201-3(lines 1 979) the Hoare annotation is: false [2019-11-28 00:21:18,378 INFO L246 CegarLoopResult]: For program point L201-4(lines 201 218) no Hoare annotation was computed. [2019-11-28 00:21:18,378 INFO L246 CegarLoopResult]: For program point L234-6(lines 234 238) no Hoare annotation was computed. [2019-11-28 00:21:18,379 INFO L242 CegarLoopResult]: At program point L201-5(lines 1 979) the Hoare annotation is: false [2019-11-28 00:21:18,379 INFO L246 CegarLoopResult]: For program point L501(lines 501 505) no Hoare annotation was computed. [2019-11-28 00:21:18,379 INFO L246 CegarLoopResult]: For program point L501-2(lines 501 505) no Hoare annotation was computed. [2019-11-28 00:21:18,379 INFO L246 CegarLoopResult]: For program point L501-3(lines 501 505) no Hoare annotation was computed. [2019-11-28 00:21:18,379 INFO L246 CegarLoopResult]: For program point L501-5(lines 501 505) no Hoare annotation was computed. [2019-11-28 00:21:18,379 INFO L246 CegarLoopResult]: For program point L501-6(lines 501 505) no Hoare annotation was computed. [2019-11-28 00:21:18,380 INFO L246 CegarLoopResult]: For program point L501-8(lines 501 505) no Hoare annotation was computed. [2019-11-28 00:21:18,380 INFO L246 CegarLoopResult]: For program point L501-9(lines 501 505) no Hoare annotation was computed. [2019-11-28 00:21:18,380 INFO L246 CegarLoopResult]: For program point L501-11(lines 501 505) no Hoare annotation was computed. [2019-11-28 00:21:18,380 INFO L246 CegarLoopResult]: For program point L501-12(lines 501 505) no Hoare annotation was computed. [2019-11-28 00:21:18,380 INFO L246 CegarLoopResult]: For program point L501-14(lines 501 505) no Hoare annotation was computed. [2019-11-28 00:21:18,381 INFO L246 CegarLoopResult]: For program point L501-15(lines 501 505) no Hoare annotation was computed. [2019-11-28 00:21:18,381 INFO L246 CegarLoopResult]: For program point L501-17(lines 501 505) no Hoare annotation was computed. [2019-11-28 00:21:18,381 INFO L246 CegarLoopResult]: For program point L403(lines 403 411) no Hoare annotation was computed. [2019-11-28 00:21:18,381 INFO L246 CegarLoopResult]: For program point L403-1(lines 403 411) no Hoare annotation was computed. [2019-11-28 00:21:18,381 INFO L246 CegarLoopResult]: For program point L403-2(lines 403 411) no Hoare annotation was computed. [2019-11-28 00:21:18,382 INFO L242 CegarLoopResult]: At program point L271(lines 266 274) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= 0 ~methAndRunningLastTime~0)) (and .cse0 (= ~pumpRunning~0 0) .cse3) (and .cse0 .cse1 (= 0 ~methaneLevelCritical~0) .cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3))) [2019-11-28 00:21:18,382 INFO L242 CegarLoopResult]: At program point L271-1(lines 266 274) the Hoare annotation is: false [2019-11-28 00:21:18,382 INFO L246 CegarLoopResult]: For program point L205(lines 205 215) no Hoare annotation was computed. [2019-11-28 00:21:18,382 INFO L242 CegarLoopResult]: At program point L271-2(lines 266 274) the Hoare annotation is: false [2019-11-28 00:21:18,383 INFO L246 CegarLoopResult]: For program point L205-2(lines 205 215) no Hoare annotation was computed. [2019-11-28 00:21:18,383 INFO L242 CegarLoopResult]: At program point L73(lines 68 76) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 00:21:18,383 INFO L246 CegarLoopResult]: For program point L205-4(lines 205 215) no Hoare annotation was computed. [2019-11-28 00:21:18,383 INFO L246 CegarLoopResult]: For program point L569(lines 569 575) no Hoare annotation was computed. [2019-11-28 00:21:18,384 INFO L242 CegarLoopResult]: At program point L569-1(lines 569 575) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 (= 0 ~methAndRunningLastTime~0)) (and .cse0 (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse1))) [2019-11-28 00:21:18,384 INFO L246 CegarLoopResult]: For program point L206(lines 206 212) no Hoare annotation was computed. [2019-11-28 00:21:18,384 INFO L246 CegarLoopResult]: For program point L206-2(lines 206 212) no Hoare annotation was computed. [2019-11-28 00:21:18,384 INFO L246 CegarLoopResult]: For program point L206-4(lines 206 212) no Hoare annotation was computed. [2019-11-28 00:21:18,384 INFO L242 CegarLoopResult]: At program point L141(lines 137 143) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 00:21:18,385 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 976) no Hoare annotation was computed. [2019-11-28 00:21:18,385 INFO L246 CegarLoopResult]: For program point L373(lines 373 390) no Hoare annotation was computed. [2019-11-28 00:21:18,385 INFO L246 CegarLoopResult]: For program point L373-1(lines 373 390) no Hoare annotation was computed. [2019-11-28 00:21:18,385 INFO L246 CegarLoopResult]: For program point L373-2(lines 373 390) no Hoare annotation was computed. [2019-11-28 00:21:18,385 INFO L246 CegarLoopResult]: For program point L373-3(lines 373 390) no Hoare annotation was computed. [2019-11-28 00:21:18,386 INFO L246 CegarLoopResult]: For program point L373-4(lines 373 390) no Hoare annotation was computed. [2019-11-28 00:21:18,386 INFO L246 CegarLoopResult]: For program point L373-5(lines 373 390) no Hoare annotation was computed. [2019-11-28 00:21:18,386 INFO L242 CegarLoopResult]: At program point L341(lines 340 359) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2) (and .cse0 .cse1 .cse2 (= 0 ~methAndRunningLastTime~0)) (and .cse0 (<= 1 ~pumpRunning~0) (not (= 0 ~waterLevel~0)) .cse2))) [2019-11-28 00:21:18,386 INFO L246 CegarLoopResult]: For program point L341-1(lines 341 347) no Hoare annotation was computed. [2019-11-28 00:21:18,387 INFO L242 CegarLoopResult]: At program point L341-2(lines 340 359) the Hoare annotation is: false [2019-11-28 00:21:18,387 INFO L242 CegarLoopResult]: At program point L341-3(lines 340 359) the Hoare annotation is: false [2019-11-28 00:21:18,387 INFO L249 CegarLoopResult]: At program point L176(lines 157 179) the Hoare annotation is: true [2019-11-28 00:21:18,387 INFO L242 CegarLoopResult]: At program point L507(lines 492 510) the Hoare annotation is: false [2019-11-28 00:21:18,388 INFO L242 CegarLoopResult]: At program point L507-1(lines 492 510) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2 .cse3) (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~4)) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) .cse2 .cse3) (and .cse0 .cse1 .cse2 (= 0 ~methAndRunningLastTime~0) .cse3))) [2019-11-28 00:21:18,388 INFO L242 CegarLoopResult]: At program point L507-2(lines 492 510) the Hoare annotation is: false [2019-11-28 00:21:18,388 INFO L242 CegarLoopResult]: At program point L507-3(lines 492 510) the Hoare annotation is: false [2019-11-28 00:21:18,388 INFO L242 CegarLoopResult]: At program point L507-4(lines 492 510) the Hoare annotation is: false [2019-11-28 00:21:18,389 INFO L242 CegarLoopResult]: At program point L507-5(lines 492 510) the Hoare annotation is: false [2019-11-28 00:21:18,389 INFO L246 CegarLoopResult]: For program point L377(lines 377 385) no Hoare annotation was computed. [2019-11-28 00:21:18,389 INFO L246 CegarLoopResult]: For program point L377-1(lines 377 385) no Hoare annotation was computed. [2019-11-28 00:21:18,389 INFO L246 CegarLoopResult]: For program point L311(lines 311 317) no Hoare annotation was computed. [2019-11-28 00:21:18,389 INFO L246 CegarLoopResult]: For program point L377-2(lines 377 385) no Hoare annotation was computed. [2019-11-28 00:21:18,390 INFO L246 CegarLoopResult]: For program point L311-1(lines 311 317) no Hoare annotation was computed. [2019-11-28 00:21:18,390 INFO L246 CegarLoopResult]: For program point L377-3(lines 377 385) no Hoare annotation was computed. [2019-11-28 00:21:18,390 INFO L246 CegarLoopResult]: For program point L311-2(lines 311 317) no Hoare annotation was computed. [2019-11-28 00:21:18,390 INFO L246 CegarLoopResult]: For program point L377-4(lines 377 385) no Hoare annotation was computed. [2019-11-28 00:21:18,390 INFO L246 CegarLoopResult]: For program point L311-3(lines 311 317) no Hoare annotation was computed. [2019-11-28 00:21:18,391 INFO L246 CegarLoopResult]: For program point L377-5(lines 377 385) no Hoare annotation was computed. [2019-11-28 00:21:18,391 INFO L246 CegarLoopResult]: For program point L311-4(lines 311 317) no Hoare annotation was computed. [2019-11-28 00:21:18,391 INFO L246 CegarLoopResult]: For program point L311-5(lines 311 317) no Hoare annotation was computed. [2019-11-28 00:21:18,391 INFO L246 CegarLoopResult]: For program point L246(lines 246 250) no Hoare annotation was computed. [2019-11-28 00:21:18,391 INFO L246 CegarLoopResult]: For program point L579(lines 579 592) no Hoare annotation was computed. [2019-11-28 00:21:18,392 INFO L242 CegarLoopResult]: At program point L348(lines 348 354) the Hoare annotation is: (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= 0 ~methaneLevelCritical~0) .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (= 0 ~methAndRunningLastTime~0)) (and .cse0 (= ~pumpRunning~0 0) .cse3))) [2019-11-28 00:21:18,392 INFO L242 CegarLoopResult]: At program point L348-1(lines 348 354) the Hoare annotation is: false [2019-11-28 00:21:18,392 INFO L242 CegarLoopResult]: At program point L348-2(lines 348 354) the Hoare annotation is: false [2019-11-28 00:21:18,392 INFO L246 CegarLoopResult]: For program point L976(line 976) no Hoare annotation was computed. [2019-11-28 00:21:18,393 INFO L246 CegarLoopResult]: For program point L976-1(line 976) no Hoare annotation was computed. [2019-11-28 00:21:18,393 INFO L246 CegarLoopResult]: For program point L976-2(line 976) no Hoare annotation was computed. [2019-11-28 00:21:18,393 INFO L242 CegarLoopResult]: At program point L316(lines 307 320) the Hoare annotation is: false [2019-11-28 00:21:18,393 INFO L242 CegarLoopResult]: At program point L316-1(lines 307 320) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2 .cse3) (and .cse0 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse2 .cse3) (and .cse0 .cse1 .cse2 (= 0 ~methAndRunningLastTime~0) .cse3))) [2019-11-28 00:21:18,394 INFO L242 CegarLoopResult]: At program point L316-2(lines 307 320) the Hoare annotation is: false [2019-11-28 00:21:18,394 INFO L242 CegarLoopResult]: At program point L316-3(lines 307 320) the Hoare annotation is: false [2019-11-28 00:21:18,394 INFO L242 CegarLoopResult]: At program point L316-4(lines 307 320) the Hoare annotation is: false [2019-11-28 00:21:18,394 INFO L242 CegarLoopResult]: At program point L316-5(lines 307 320) the Hoare annotation is: false [2019-11-28 00:21:18,395 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 00:21:18,395 INFO L246 CegarLoopResult]: For program point L550(lines 549 596) no Hoare annotation was computed. [2019-11-28 00:21:18,395 INFO L246 CegarLoopResult]: For program point L551(lines 551 555) no Hoare annotation was computed. [2019-11-28 00:21:18,395 INFO L242 CegarLoopResult]: At program point L452(lines 447 455) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1) (and .cse0 (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse1 (= 0 ~methAndRunningLastTime~0)))) [2019-11-28 00:21:18,396 INFO L242 CegarLoopResult]: At program point L452-1(lines 447 455) the Hoare annotation is: false [2019-11-28 00:21:18,396 INFO L242 CegarLoopResult]: At program point L452-2(lines 447 455) the Hoare annotation is: false [2019-11-28 00:21:18,396 INFO L242 CegarLoopResult]: At program point L90-2(lines 90 104) the Hoare annotation is: false [2019-11-28 00:21:18,396 INFO L246 CegarLoopResult]: For program point L520(lines 520 524) no Hoare annotation was computed. [2019-11-28 00:21:18,396 INFO L246 CegarLoopResult]: For program point L520-2(lines 520 524) no Hoare annotation was computed. [2019-11-28 00:21:18,397 INFO L246 CegarLoopResult]: For program point L520-3(lines 520 524) no Hoare annotation was computed. [2019-11-28 00:21:18,397 INFO L246 CegarLoopResult]: For program point L520-5(lines 520 524) no Hoare annotation was computed. [2019-11-28 00:21:18,397 INFO L246 CegarLoopResult]: For program point L520-6(lines 520 524) no Hoare annotation was computed. [2019-11-28 00:21:18,397 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 00:21:18,397 INFO L246 CegarLoopResult]: For program point L520-8(lines 520 524) no Hoare annotation was computed. [2019-11-28 00:21:18,398 INFO L242 CegarLoopResult]: At program point L190(lines 185 192) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 00:21:18,398 INFO L246 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2019-11-28 00:21:18,398 INFO L246 CegarLoopResult]: For program point L587(lines 587 591) no Hoare annotation was computed. [2019-11-28 00:21:18,398 INFO L242 CegarLoopResult]: At program point L587-2(lines 341 347) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 (= 0 ~methAndRunningLastTime~0)) (and .cse0 (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse1))) [2019-11-28 00:21:18,398 INFO L246 CegarLoopResult]: For program point L258(lines 258 262) no Hoare annotation was computed. [2019-11-28 00:21:18,399 INFO L246 CegarLoopResult]: For program point L94(lines 94 98) no Hoare annotation was computed. [2019-11-28 00:21:18,399 INFO L246 CegarLoopResult]: For program point L94-1(lines 341 347) no Hoare annotation was computed. [2019-11-28 00:21:18,399 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 00:21:18,399 INFO L242 CegarLoopResult]: At program point L326(lines 321 329) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~pumpRunning~0) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (not (= 0 ~waterLevel~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:21:18,400 INFO L242 CegarLoopResult]: At program point L326-1(lines 321 329) the Hoare annotation is: false [2019-11-28 00:21:18,400 INFO L242 CegarLoopResult]: At program point L326-2(lines 321 329) the Hoare annotation is: false [2019-11-28 00:21:18,400 INFO L246 CegarLoopResult]: For program point L559(lines 559 565) no Hoare annotation was computed. [2019-11-28 00:21:18,400 INFO L242 CegarLoopResult]: At program point L559-1(lines 559 565) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 (= 0 ~methAndRunningLastTime~0)) (and .cse0 (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse1))) [2019-11-28 00:21:18,400 INFO L242 CegarLoopResult]: At program point L526(lines 511 529) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~pumpRunning~0) (<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~2) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (not (= 0 ~waterLevel~0)) (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5) (<= 1 |ULTIMATE.start_isLowWaterLevel_#res|) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-11-28 00:21:18,401 INFO L242 CegarLoopResult]: At program point L526-1(lines 511 529) the Hoare annotation is: false [2019-11-28 00:21:18,401 INFO L242 CegarLoopResult]: At program point L526-2(lines 511 529) the Hoare annotation is: false [2019-11-28 00:21:18,401 INFO L242 CegarLoopResult]: At program point L65(lines 1 979) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-28 00:21:18,401 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 00:21:18,402 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 976) no Hoare annotation was computed. [2019-11-28 00:21:18,402 INFO L246 CegarLoopResult]: For program point L167(lines 167 174) no Hoare annotation was computed. [2019-11-28 00:21:18,402 INFO L249 CegarLoopResult]: At program point L167-1(lines 167 174) the Hoare annotation is: true [2019-11-28 00:21:18,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:21:18 BoogieIcfgContainer [2019-11-28 00:21:18,431 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 00:21:18,432 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 00:21:18,432 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 00:21:18,432 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 00:21:18,433 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:21:10" (3/4) ... [2019-11-28 00:21:18,437 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 00:21:18,460 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-11-28 00:21:18,462 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-28 00:21:18,463 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-28 00:21:18,464 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 00:21:18,465 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 00:21:18,466 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:21:18,468 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 00:21:18,503 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && 0 == splverifierCounter) [2019-11-28 00:21:18,504 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 1 <= pumpRunning) && 0 == \result) && !(0 == waterLevel)) && 0 == splverifierCounter [2019-11-28 00:21:18,505 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && !(\result == 0)) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 == splverifierCounter) [2019-11-28 00:21:18,505 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-11-28 00:21:18,506 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 1 <= pumpRunning) && 1 <= tmp___0) && 0 == \result) && !(0 == waterLevel)) && 0 == tmp) && 1 <= \result) && 0 == splverifierCounter [2019-11-28 00:21:18,506 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || (((((0 == \result && 1 == systemActive) && !(0 == tmp)) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 == splverifierCounter) [2019-11-28 00:21:18,595 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 00:21:18,595 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 00:21:18,597 INFO L168 Benchmark]: Toolchain (without parser) took 9467.57 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 325.6 MB). Free memory was 955.0 MB in the beginning and 872.2 MB in the end (delta: 82.8 MB). Peak memory consumption was 408.4 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:18,597 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:21:18,598 INFO L168 Benchmark]: CACSL2BoogieTranslator took 710.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -179.1 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:18,599 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.87 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:18,599 INFO L168 Benchmark]: Boogie Preprocessor took 60.47 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 00:21:18,600 INFO L168 Benchmark]: RCFGBuilder took 1019.80 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: 69.9 MB). Peak memory consumption was 69.9 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:18,600 INFO L168 Benchmark]: TraceAbstraction took 7430.70 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 173.5 MB). Free memory was 1.1 GB in the beginning and 881.5 MB in the end (delta: 176.1 MB). Peak memory consumption was 356.8 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:18,601 INFO L168 Benchmark]: Witness Printer took 163.56 ms. Allocated memory is still 1.4 GB. Free memory was 881.5 MB in the beginning and 872.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 11.5 GB. [2019-11-28 00:21:18,603 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 710.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -179.1 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 75.87 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 60.47 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1019.80 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: 69.9 MB). Peak memory consumption was 69.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7430.70 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 173.5 MB). Free memory was 1.1 GB in the beginning and 881.5 MB in the end (delta: 176.1 MB). Peak memory consumption was 356.8 MB. Max. memory is 11.5 GB. * Witness Printer took 163.56 ms. Allocated memory is still 1.4 GB. Free memory was 881.5 MB in the beginning and 872.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 976]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 976]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 976]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && 0 == splverifierCounter) - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 1 <= pumpRunning) && 1 <= tmp___0) && 0 == \result) && !(0 == waterLevel)) && 0 == tmp) && 1 <= \result) && 0 == splverifierCounter - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && 0 == splverifierCounter) - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 548]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((1 == systemActive && 1 <= pumpRunning) && !(0 == waterLevel)) && 0 == splverifierCounter) - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 341]: Loop Invariant Derived loop invariant: (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && !(\result == 0)) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 == splverifierCounter) - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter)) || (((((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && 0 == splverifierCounter) - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: (((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && 0 == splverifierCounter) - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == splverifierCounter) || ((((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: (((1 == systemActive && 1 <= pumpRunning) && 0 == \result) && !(0 == waterLevel)) && 0 == splverifierCounter - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 321]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || (((((0 == \result && 1 == systemActive) && !(0 == tmp)) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 == splverifierCounter) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 121 locations, 3 error locations. Result: SAFE, OverallTime: 3.6s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.6s, HoareTripleCheckerStatistics: 1243 SDtfs, 1443 SDslu, 1709 SDs, 0 SdLazy, 216 SolverSat, 48 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 194 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=234occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 773 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 209 NumberOfFragments, 503 HoareAnnotationTreeSize, 44 FomulaSimplifications, 404129 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 44 FomulaSimplificationsInter, 14981 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 574 NumberOfCodeBlocks, 574 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 559 ConstructedInterpolants, 0 QuantifiedInterpolants, 40871 SizeOfPredicates, 5 NumberOfNonLiveVariables, 850 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 96/99 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...