./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product51.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_317433ac-4887-4de6-a439-d41d05daba8b/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_317433ac-4887-4de6-a439-d41d05daba8b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_317433ac-4887-4de6-a439-d41d05daba8b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_317433ac-4887-4de6-a439-d41d05daba8b/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product51.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_317433ac-4887-4de6-a439-d41d05daba8b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_317433ac-4887-4de6-a439-d41d05daba8b/bin/uautomizer --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 38d3472c1eb8f4a8d30b3059a3484ecd66f7fba4 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 11:26:43,768 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 11:26:43,769 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 11:26:43,776 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 11:26:43,777 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 11:26:43,777 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 11:26:43,778 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 11:26:43,779 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 11:26:43,781 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 11:26:43,781 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 11:26:43,782 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 11:26:43,783 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 11:26:43,783 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 11:26:43,784 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 11:26:43,784 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 11:26:43,785 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 11:26:43,786 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 11:26:43,786 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 11:26:43,788 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 11:26:43,789 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 11:26:43,790 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 11:26:43,791 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 11:26:43,791 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 11:26:43,792 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 11:26:43,794 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 11:26:43,794 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 11:26:43,794 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 11:26:43,794 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 11:26:43,795 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 11:26:43,795 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 11:26:43,795 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 11:26:43,796 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 11:26:43,796 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 11:26:43,797 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 11:26:43,797 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 11:26:43,797 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 11:26:43,798 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 11:26:43,798 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 11:26:43,798 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 11:26:43,798 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 11:26:43,799 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 11:26:43,799 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_317433ac-4887-4de6-a439-d41d05daba8b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 11:26:43,808 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 11:26:43,808 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 11:26:43,809 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 11:26:43,809 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 11:26:43,809 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 11:26:43,809 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 11:26:43,810 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 11:26:43,810 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 11:26:43,810 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 11:26:43,810 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 11:26:43,810 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 11:26:43,810 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 11:26:43,810 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 11:26:43,810 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 11:26:43,810 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 11:26:43,811 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 11:26:43,811 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 11:26:43,811 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 11:26:43,811 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 11:26:43,811 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 11:26:43,811 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 11:26:43,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 11:26:43,811 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 11:26:43,812 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 11:26:43,812 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 11:26:43,812 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 11:26:43,812 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 11:26:43,812 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 11:26:43,812 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 11:26:43,812 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_317433ac-4887-4de6-a439-d41d05daba8b/bin/uautomizer 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 -> 38d3472c1eb8f4a8d30b3059a3484ecd66f7fba4 [2019-12-07 11:26:43,911 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 11:26:43,919 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 11:26:43,921 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 11:26:43,922 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 11:26:43,922 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 11:26:43,922 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_317433ac-4887-4de6-a439-d41d05daba8b/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product51.cil.c [2019-12-07 11:26:43,959 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_317433ac-4887-4de6-a439-d41d05daba8b/bin/uautomizer/data/631af2261/84f0065434864d71a2cd63906f78af74/FLAG11933fed9 [2019-12-07 11:26:44,364 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 11:26:44,365 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_317433ac-4887-4de6-a439-d41d05daba8b/sv-benchmarks/c/product-lines/minepump_spec2_product51.cil.c [2019-12-07 11:26:44,374 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_317433ac-4887-4de6-a439-d41d05daba8b/bin/uautomizer/data/631af2261/84f0065434864d71a2cd63906f78af74/FLAG11933fed9 [2019-12-07 11:26:44,726 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_317433ac-4887-4de6-a439-d41d05daba8b/bin/uautomizer/data/631af2261/84f0065434864d71a2cd63906f78af74 [2019-12-07 11:26:44,732 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 11:26:44,735 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 11:26:44,737 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 11:26:44,738 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 11:26:44,743 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 11:26:44,744 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:26:44" (1/1) ... [2019-12-07 11:26:44,746 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71d9507b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:26:44, skipping insertion in model container [2019-12-07 11:26:44,746 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:26:44" (1/1) ... [2019-12-07 11:26:44,750 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 11:26:44,778 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:26:44,982 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:26:44,990 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 11:26:45,037 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:26:45,057 INFO L208 MainTranslator]: Completed translation [2019-12-07 11:26:45,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:26:45 WrapperNode [2019-12-07 11:26:45,058 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 11:26:45,058 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 11:26:45,058 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 11:26:45,058 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 11:26:45,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:26:45" (1/1) ... [2019-12-07 11:26:45,076 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:26:45" (1/1) ... [2019-12-07 11:26:45,103 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 11:26:45,103 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 11:26:45,103 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 11:26:45,103 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 11:26:45,110 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:26:45" (1/1) ... [2019-12-07 11:26:45,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:26:45" (1/1) ... [2019-12-07 11:26:45,113 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:26:45" (1/1) ... [2019-12-07 11:26:45,113 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:26:45" (1/1) ... [2019-12-07 11:26:45,122 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:26:45" (1/1) ... [2019-12-07 11:26:45,128 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:26:45" (1/1) ... [2019-12-07 11:26:45,130 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:26:45" (1/1) ... [2019-12-07 11:26:45,134 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 11:26:45,134 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 11:26:45,134 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 11:26:45,134 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 11:26:45,135 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:26:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_317433ac-4887-4de6-a439-d41d05daba8b/bin/uautomizer/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 [2019-12-07 11:26:45,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 11:26:45,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 11:26:45,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 11:26:45,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 11:26:45,642 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 11:26:45,643 INFO L287 CfgBuilder]: Removed 162 assume(true) statements. [2019-12-07 11:26:45,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:26:45 BoogieIcfgContainer [2019-12-07 11:26:45,644 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 11:26:45,645 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 11:26:45,645 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 11:26:45,648 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 11:26:45,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 11:26:44" (1/3) ... [2019-12-07 11:26:45,649 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c287a34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:26:45, skipping insertion in model container [2019-12-07 11:26:45,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:26:45" (2/3) ... [2019-12-07 11:26:45,649 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c287a34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:26:45, skipping insertion in model container [2019-12-07 11:26:45,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:26:45" (3/3) ... [2019-12-07 11:26:45,651 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product51.cil.c [2019-12-07 11:26:45,660 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 11:26:45,666 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 11:26:45,676 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 11:26:45,697 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 11:26:45,698 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 11:26:45,698 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 11:26:45,698 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 11:26:45,698 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 11:26:45,698 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 11:26:45,698 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 11:26:45,698 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 11:26:45,712 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states. [2019-12-07 11:26:45,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 11:26:45,717 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:26:45,717 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:26:45,718 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:26:45,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:26:45,721 INFO L82 PathProgramCache]: Analyzing trace with hash 815277316, now seen corresponding path program 1 times [2019-12-07 11:26:45,727 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:26:45,727 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828386756] [2019-12-07 11:26:45,727 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:26:45,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:26:45,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:26:45,891 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828386756] [2019-12-07 11:26:45,891 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:26:45,891 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 11:26:45,892 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933432468] [2019-12-07 11:26:45,895 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 11:26:45,895 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:26:45,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 11:26:45,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 11:26:45,905 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 2 states. [2019-12-07 11:26:45,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:26:45,926 INFO L93 Difference]: Finished difference Result 239 states and 366 transitions. [2019-12-07 11:26:45,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 11:26:45,927 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-12-07 11:26:45,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:26:45,934 INFO L225 Difference]: With dead ends: 239 [2019-12-07 11:26:45,934 INFO L226 Difference]: Without dead ends: 119 [2019-12-07 11:26:45,936 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 [2019-12-07 11:26:45,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2019-12-07 11:26:45,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2019-12-07 11:26:45,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-12-07 11:26:45,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 175 transitions. [2019-12-07 11:26:45,966 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 175 transitions. Word has length 18 [2019-12-07 11:26:45,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:26:45,966 INFO L462 AbstractCegarLoop]: Abstraction has 119 states and 175 transitions. [2019-12-07 11:26:45,966 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 11:26:45,966 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 175 transitions. [2019-12-07 11:26:45,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 11:26:45,967 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:26:45,967 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:26:45,967 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:26:45,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:26:45,968 INFO L82 PathProgramCache]: Analyzing trace with hash 596441347, now seen corresponding path program 1 times [2019-12-07 11:26:45,968 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:26:45,968 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815077633] [2019-12-07 11:26:45,968 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:26:45,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:26:46,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:26:46,024 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815077633] [2019-12-07 11:26:46,024 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:26:46,025 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 11:26:46,025 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390151305] [2019-12-07 11:26:46,026 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 11:26:46,026 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:26:46,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 11:26:46,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:26:46,026 INFO L87 Difference]: Start difference. First operand 119 states and 175 transitions. Second operand 3 states. [2019-12-07 11:26:46,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:26:46,035 INFO L93 Difference]: Finished difference Result 119 states and 175 transitions. [2019-12-07 11:26:46,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:26:46,035 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-12-07 11:26:46,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:26:46,036 INFO L225 Difference]: With dead ends: 119 [2019-12-07 11:26:46,036 INFO L226 Difference]: Without dead ends: 51 [2019-12-07 11:26:46,037 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 [2019-12-07 11:26:46,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2019-12-07 11:26:46,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2019-12-07 11:26:46,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-12-07 11:26:46,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 74 transitions. [2019-12-07 11:26:46,041 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 74 transitions. Word has length 19 [2019-12-07 11:26:46,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:26:46,042 INFO L462 AbstractCegarLoop]: Abstraction has 51 states and 74 transitions. [2019-12-07 11:26:46,042 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 11:26:46,042 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 74 transitions. [2019-12-07 11:26:46,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 11:26:46,042 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:26:46,042 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] [2019-12-07 11:26:46,043 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:26:46,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:26:46,043 INFO L82 PathProgramCache]: Analyzing trace with hash -781547841, now seen corresponding path program 1 times [2019-12-07 11:26:46,043 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:26:46,043 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180121094] [2019-12-07 11:26:46,043 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:26:46,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:26:46,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:26:46,099 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180121094] [2019-12-07 11:26:46,099 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:26:46,099 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 11:26:46,099 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044412473] [2019-12-07 11:26:46,100 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 11:26:46,100 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:26:46,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 11:26:46,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-07 11:26:46,100 INFO L87 Difference]: Start difference. First operand 51 states and 74 transitions. Second operand 6 states. [2019-12-07 11:26:46,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:26:46,196 INFO L93 Difference]: Finished difference Result 163 states and 244 transitions. [2019-12-07 11:26:46,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 11:26:46,197 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2019-12-07 11:26:46,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:26:46,198 INFO L225 Difference]: With dead ends: 163 [2019-12-07 11:26:46,199 INFO L226 Difference]: Without dead ends: 119 [2019-12-07 11:26:46,199 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-12-07 11:26:46,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2019-12-07 11:26:46,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 71. [2019-12-07 11:26:46,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-12-07 11:26:46,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 105 transitions. [2019-12-07 11:26:46,210 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 105 transitions. Word has length 24 [2019-12-07 11:26:46,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:26:46,210 INFO L462 AbstractCegarLoop]: Abstraction has 71 states and 105 transitions. [2019-12-07 11:26:46,211 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 11:26:46,211 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 105 transitions. [2019-12-07 11:26:46,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 11:26:46,211 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:26:46,212 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] [2019-12-07 11:26:46,212 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:26:46,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:26:46,212 INFO L82 PathProgramCache]: Analyzing trace with hash -1063081859, now seen corresponding path program 1 times [2019-12-07 11:26:46,212 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:26:46,212 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477085234] [2019-12-07 11:26:46,212 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:26:46,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:26:46,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:26:46,256 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477085234] [2019-12-07 11:26:46,257 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:26:46,257 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 11:26:46,257 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839978429] [2019-12-07 11:26:46,257 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 11:26:46,258 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:26:46,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 11:26:46,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:26:46,258 INFO L87 Difference]: Start difference. First operand 71 states and 105 transitions. Second operand 3 states. [2019-12-07 11:26:46,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:26:46,286 INFO L93 Difference]: Finished difference Result 157 states and 235 transitions. [2019-12-07 11:26:46,286 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:26:46,286 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-12-07 11:26:46,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:26:46,287 INFO L225 Difference]: With dead ends: 157 [2019-12-07 11:26:46,288 INFO L226 Difference]: Without dead ends: 93 [2019-12-07 11:26:46,288 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 [2019-12-07 11:26:46,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2019-12-07 11:26:46,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 91. [2019-12-07 11:26:46,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2019-12-07 11:26:46,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 131 transitions. [2019-12-07 11:26:46,298 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 131 transitions. Word has length 26 [2019-12-07 11:26:46,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:26:46,298 INFO L462 AbstractCegarLoop]: Abstraction has 91 states and 131 transitions. [2019-12-07 11:26:46,298 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 11:26:46,298 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 131 transitions. [2019-12-07 11:26:46,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-07 11:26:46,299 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:26:46,299 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] [2019-12-07 11:26:46,299 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:26:46,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:26:46,300 INFO L82 PathProgramCache]: Analyzing trace with hash -460039864, now seen corresponding path program 1 times [2019-12-07 11:26:46,300 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:26:46,300 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791314915] [2019-12-07 11:26:46,300 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:26:46,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:26:46,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:26:46,350 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791314915] [2019-12-07 11:26:46,350 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:26:46,350 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 11:26:46,350 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917029472] [2019-12-07 11:26:46,350 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 11:26:46,350 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:26:46,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 11:26:46,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 11:26:46,351 INFO L87 Difference]: Start difference. First operand 91 states and 131 transitions. Second operand 5 states. [2019-12-07 11:26:46,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:26:46,407 INFO L93 Difference]: Finished difference Result 452 states and 663 transitions. [2019-12-07 11:26:46,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 11:26:46,408 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2019-12-07 11:26:46,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:26:46,410 INFO L225 Difference]: With dead ends: 452 [2019-12-07 11:26:46,410 INFO L226 Difference]: Without dead ends: 368 [2019-12-07 11:26:46,411 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 [2019-12-07 11:26:46,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2019-12-07 11:26:46,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 164. [2019-12-07 11:26:46,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2019-12-07 11:26:46,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 233 transitions. [2019-12-07 11:26:46,426 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 233 transitions. Word has length 27 [2019-12-07 11:26:46,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:26:46,426 INFO L462 AbstractCegarLoop]: Abstraction has 164 states and 233 transitions. [2019-12-07 11:26:46,426 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 11:26:46,426 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 233 transitions. [2019-12-07 11:26:46,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-07 11:26:46,427 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:26:46,427 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] [2019-12-07 11:26:46,428 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:26:46,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:26:46,428 INFO L82 PathProgramCache]: Analyzing trace with hash -1894185024, now seen corresponding path program 1 times [2019-12-07 11:26:46,428 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:26:46,428 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603326840] [2019-12-07 11:26:46,428 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:26:46,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:26:46,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:26:46,466 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603326840] [2019-12-07 11:26:46,466 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:26:46,466 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 11:26:46,466 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429040256] [2019-12-07 11:26:46,467 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 11:26:46,467 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:26:46,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 11:26:46,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 11:26:46,467 INFO L87 Difference]: Start difference. First operand 164 states and 233 transitions. Second operand 5 states. [2019-12-07 11:26:46,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:26:46,577 INFO L93 Difference]: Finished difference Result 605 states and 865 transitions. [2019-12-07 11:26:46,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 11:26:46,578 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2019-12-07 11:26:46,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:26:46,580 INFO L225 Difference]: With dead ends: 605 [2019-12-07 11:26:46,580 INFO L226 Difference]: Without dead ends: 448 [2019-12-07 11:26:46,581 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 [2019-12-07 11:26:46,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2019-12-07 11:26:46,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 162. [2019-12-07 11:26:46,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2019-12-07 11:26:46,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 227 transitions. [2019-12-07 11:26:46,594 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 227 transitions. Word has length 28 [2019-12-07 11:26:46,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:26:46,595 INFO L462 AbstractCegarLoop]: Abstraction has 162 states and 227 transitions. [2019-12-07 11:26:46,595 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 11:26:46,595 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 227 transitions. [2019-12-07 11:26:46,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 11:26:46,596 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:26:46,596 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] [2019-12-07 11:26:46,596 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:26:46,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:26:46,597 INFO L82 PathProgramCache]: Analyzing trace with hash -44877900, now seen corresponding path program 1 times [2019-12-07 11:26:46,597 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:26:46,597 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875964603] [2019-12-07 11:26:46,597 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:26:46,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:26:46,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:26:46,631 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875964603] [2019-12-07 11:26:46,631 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:26:46,631 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 11:26:46,631 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234223175] [2019-12-07 11:26:46,631 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 11:26:46,632 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:26:46,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 11:26:46,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 11:26:46,632 INFO L87 Difference]: Start difference. First operand 162 states and 227 transitions. Second operand 5 states. [2019-12-07 11:26:46,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:26:46,689 INFO L93 Difference]: Finished difference Result 479 states and 665 transitions. [2019-12-07 11:26:46,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 11:26:46,690 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-12-07 11:26:46,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:26:46,691 INFO L225 Difference]: With dead ends: 479 [2019-12-07 11:26:46,692 INFO L226 Difference]: Without dead ends: 324 [2019-12-07 11:26:46,692 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 [2019-12-07 11:26:46,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2019-12-07 11:26:46,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 174. [2019-12-07 11:26:46,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2019-12-07 11:26:46,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 239 transitions. [2019-12-07 11:26:46,705 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 239 transitions. Word has length 33 [2019-12-07 11:26:46,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:26:46,705 INFO L462 AbstractCegarLoop]: Abstraction has 174 states and 239 transitions. [2019-12-07 11:26:46,705 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 11:26:46,705 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 239 transitions. [2019-12-07 11:26:46,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 11:26:46,706 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:26:46,706 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] [2019-12-07 11:26:46,707 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:26:46,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:26:46,707 INFO L82 PathProgramCache]: Analyzing trace with hash 656186678, now seen corresponding path program 1 times [2019-12-07 11:26:46,707 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:26:46,707 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224420489] [2019-12-07 11:26:46,707 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:26:46,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:26:46,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:26:46,761 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224420489] [2019-12-07 11:26:46,761 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:26:46,762 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-07 11:26:46,762 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840009325] [2019-12-07 11:26:46,762 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 11:26:46,762 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:26:46,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 11:26:46,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-07 11:26:46,763 INFO L87 Difference]: Start difference. First operand 174 states and 239 transitions. Second operand 6 states. [2019-12-07 11:26:46,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:26:46,836 INFO L93 Difference]: Finished difference Result 513 states and 699 transitions. [2019-12-07 11:26:46,836 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 11:26:46,836 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-12-07 11:26:46,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:26:46,838 INFO L225 Difference]: With dead ends: 513 [2019-12-07 11:26:46,838 INFO L226 Difference]: Without dead ends: 346 [2019-12-07 11:26:46,838 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2019-12-07 11:26:46,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2019-12-07 11:26:46,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 182. [2019-12-07 11:26:46,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2019-12-07 11:26:46,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 247 transitions. [2019-12-07 11:26:46,850 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 247 transitions. Word has length 33 [2019-12-07 11:26:46,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:26:46,850 INFO L462 AbstractCegarLoop]: Abstraction has 182 states and 247 transitions. [2019-12-07 11:26:46,850 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 11:26:46,850 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 247 transitions. [2019-12-07 11:26:46,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 11:26:46,851 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:26:46,851 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] [2019-12-07 11:26:46,851 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:26:46,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:26:46,852 INFO L82 PathProgramCache]: Analyzing trace with hash 69380664, now seen corresponding path program 1 times [2019-12-07 11:26:46,852 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:26:46,852 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812998862] [2019-12-07 11:26:46,852 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:26:46,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:26:46,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:26:46,876 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812998862] [2019-12-07 11:26:46,876 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:26:46,876 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 11:26:46,877 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415843727] [2019-12-07 11:26:46,877 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 11:26:46,877 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:26:46,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 11:26:46,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:26:46,877 INFO L87 Difference]: Start difference. First operand 182 states and 247 transitions. Second operand 3 states. [2019-12-07 11:26:46,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:26:46,908 INFO L93 Difference]: Finished difference Result 445 states and 603 transitions. [2019-12-07 11:26:46,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:26:46,909 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2019-12-07 11:26:46,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:26:46,911 INFO L225 Difference]: With dead ends: 445 [2019-12-07 11:26:46,911 INFO L226 Difference]: Without dead ends: 270 [2019-12-07 11:26:46,911 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 [2019-12-07 11:26:46,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2019-12-07 11:26:46,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 270. [2019-12-07 11:26:46,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2019-12-07 11:26:46,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 357 transitions. [2019-12-07 11:26:46,933 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 357 transitions. Word has length 33 [2019-12-07 11:26:46,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:26:46,933 INFO L462 AbstractCegarLoop]: Abstraction has 270 states and 357 transitions. [2019-12-07 11:26:46,933 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 11:26:46,934 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 357 transitions. [2019-12-07 11:26:46,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-07 11:26:46,934 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:26:46,934 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] [2019-12-07 11:26:46,935 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:26:46,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:26:46,935 INFO L82 PathProgramCache]: Analyzing trace with hash 1964012792, now seen corresponding path program 1 times [2019-12-07 11:26:46,935 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:26:46,935 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089541909] [2019-12-07 11:26:46,935 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:26:46,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:26:46,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:26:46,961 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089541909] [2019-12-07 11:26:46,961 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:26:46,961 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 11:26:46,961 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121187377] [2019-12-07 11:26:46,962 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 11:26:46,962 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:26:46,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 11:26:46,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:26:46,962 INFO L87 Difference]: Start difference. First operand 270 states and 357 transitions. Second operand 3 states. [2019-12-07 11:26:47,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:26:47,007 INFO L93 Difference]: Finished difference Result 389 states and 516 transitions. [2019-12-07 11:26:47,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:26:47,008 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-12-07 11:26:47,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:26:47,010 INFO L225 Difference]: With dead ends: 389 [2019-12-07 11:26:47,010 INFO L226 Difference]: Without dead ends: 387 [2019-12-07 11:26:47,011 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 [2019-12-07 11:26:47,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2019-12-07 11:26:47,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 316. [2019-12-07 11:26:47,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2019-12-07 11:26:47,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 425 transitions. [2019-12-07 11:26:47,034 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 425 transitions. Word has length 34 [2019-12-07 11:26:47,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:26:47,034 INFO L462 AbstractCegarLoop]: Abstraction has 316 states and 425 transitions. [2019-12-07 11:26:47,035 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 11:26:47,035 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 425 transitions. [2019-12-07 11:26:47,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-07 11:26:47,036 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:26:47,036 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] [2019-12-07 11:26:47,036 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:26:47,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:26:47,036 INFO L82 PathProgramCache]: Analyzing trace with hash -2090460060, now seen corresponding path program 1 times [2019-12-07 11:26:47,037 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:26:47,037 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867285201] [2019-12-07 11:26:47,037 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:26:47,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:26:47,108 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:26:47,108 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867285201] [2019-12-07 11:26:47,109 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:26:47,109 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-07 11:26:47,109 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888801063] [2019-12-07 11:26:47,109 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 11:26:47,109 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:26:47,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 11:26:47,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-07 11:26:47,110 INFO L87 Difference]: Start difference. First operand 316 states and 425 transitions. Second operand 6 states. [2019-12-07 11:26:47,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:26:47,303 INFO L93 Difference]: Finished difference Result 1761 states and 2425 transitions. [2019-12-07 11:26:47,304 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-12-07 11:26:47,304 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2019-12-07 11:26:47,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:26:47,310 INFO L225 Difference]: With dead ends: 1761 [2019-12-07 11:26:47,310 INFO L226 Difference]: Without dead ends: 1540 [2019-12-07 11:26:47,311 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2019-12-07 11:26:47,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1540 states. [2019-12-07 11:26:47,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1540 to 545. [2019-12-07 11:26:47,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 545 states. [2019-12-07 11:26:47,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 736 transitions. [2019-12-07 11:26:47,346 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 736 transitions. Word has length 58 [2019-12-07 11:26:47,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:26:47,346 INFO L462 AbstractCegarLoop]: Abstraction has 545 states and 736 transitions. [2019-12-07 11:26:47,346 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 11:26:47,346 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 736 transitions. [2019-12-07 11:26:47,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-07 11:26:47,347 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:26:47,347 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] [2019-12-07 11:26:47,347 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:26:47,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:26:47,347 INFO L82 PathProgramCache]: Analyzing trace with hash -1832294622, now seen corresponding path program 1 times [2019-12-07 11:26:47,348 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:26:47,348 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945709705] [2019-12-07 11:26:47,348 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:26:47,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:26:47,394 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-07 11:26:47,395 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945709705] [2019-12-07 11:26:47,395 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:26:47,395 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-07 11:26:47,395 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327436828] [2019-12-07 11:26:47,396 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-07 11:26:47,396 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:26:47,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-07 11:26:47,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-07 11:26:47,396 INFO L87 Difference]: Start difference. First operand 545 states and 736 transitions. Second operand 7 states. [2019-12-07 11:26:47,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:26:47,498 INFO L93 Difference]: Finished difference Result 1208 states and 1617 transitions. [2019-12-07 11:26:47,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 11:26:47,499 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2019-12-07 11:26:47,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:26:47,501 INFO L225 Difference]: With dead ends: 1208 [2019-12-07 11:26:47,502 INFO L226 Difference]: Without dead ends: 758 [2019-12-07 11:26:47,502 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-12-07 11:26:47,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 758 states. [2019-12-07 11:26:47,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 758 to 366. [2019-12-07 11:26:47,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2019-12-07 11:26:47,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 473 transitions. [2019-12-07 11:26:47,526 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 473 transitions. Word has length 58 [2019-12-07 11:26:47,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:26:47,526 INFO L462 AbstractCegarLoop]: Abstraction has 366 states and 473 transitions. [2019-12-07 11:26:47,526 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-07 11:26:47,526 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 473 transitions. [2019-12-07 11:26:47,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-07 11:26:47,527 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:26:47,527 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] [2019-12-07 11:26:47,527 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:26:47,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:26:47,527 INFO L82 PathProgramCache]: Analyzing trace with hash 1973254398, now seen corresponding path program 1 times [2019-12-07 11:26:47,527 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:26:47,527 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137956873] [2019-12-07 11:26:47,527 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:26:47,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:26:47,559 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:26:47,559 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137956873] [2019-12-07 11:26:47,559 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:26:47,559 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 11:26:47,560 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223314899] [2019-12-07 11:26:47,560 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 11:26:47,560 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:26:47,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 11:26:47,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 11:26:47,560 INFO L87 Difference]: Start difference. First operand 366 states and 473 transitions. Second operand 5 states. [2019-12-07 11:26:47,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:26:47,635 INFO L93 Difference]: Finished difference Result 634 states and 825 transitions. [2019-12-07 11:26:47,635 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 11:26:47,635 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2019-12-07 11:26:47,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:26:47,637 INFO L225 Difference]: With dead ends: 634 [2019-12-07 11:26:47,637 INFO L226 Difference]: Without dead ends: 363 [2019-12-07 11:26:47,637 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 11:26:47,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2019-12-07 11:26:47,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 359. [2019-12-07 11:26:47,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2019-12-07 11:26:47,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 456 transitions. [2019-12-07 11:26:47,658 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 456 transitions. Word has length 58 [2019-12-07 11:26:47,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:26:47,659 INFO L462 AbstractCegarLoop]: Abstraction has 359 states and 456 transitions. [2019-12-07 11:26:47,659 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 11:26:47,659 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 456 transitions. [2019-12-07 11:26:47,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-12-07 11:26:47,660 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:26:47,660 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:26:47,660 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:26:47,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:26:47,660 INFO L82 PathProgramCache]: Analyzing trace with hash -1655944216, now seen corresponding path program 1 times [2019-12-07 11:26:47,660 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:26:47,660 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992257366] [2019-12-07 11:26:47,660 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:26:47,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:26:47,684 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-07 11:26:47,685 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992257366] [2019-12-07 11:26:47,685 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:26:47,685 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 11:26:47,685 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493189071] [2019-12-07 11:26:47,685 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 11:26:47,685 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:26:47,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 11:26:47,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 11:26:47,686 INFO L87 Difference]: Start difference. First operand 359 states and 456 transitions. Second operand 3 states. [2019-12-07 11:26:47,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:26:47,742 INFO L93 Difference]: Finished difference Result 707 states and 897 transitions. [2019-12-07 11:26:47,742 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 11:26:47,742 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2019-12-07 11:26:47,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:26:47,742 INFO L225 Difference]: With dead ends: 707 [2019-12-07 11:26:47,742 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 11:26:47,743 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 [2019-12-07 11:26:47,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 11:26:47,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 11:26:47,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 11:26:47,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 11:26:47,744 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2019-12-07 11:26:47,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:26:47,744 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 11:26:47,744 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 11:26:47,744 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 11:26:47,744 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 11:26:47,745 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 11:26:47,948 WARN L192 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 214 [2019-12-07 11:26:48,082 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 190 [2019-12-07 11:26:48,271 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 192 [2019-12-07 11:26:48,438 WARN L192 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 214 [2019-12-07 11:26:48,764 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 212 [2019-12-07 11:26:48,889 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 211 [2019-12-07 11:26:50,046 WARN L192 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 206 DAG size of output: 32 [2019-12-07 11:26:51,633 WARN L192 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 182 DAG size of output: 25 [2019-12-07 11:26:51,875 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 30 [2019-12-07 11:26:53,009 WARN L192 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 184 DAG size of output: 25 [2019-12-07 11:26:54,491 WARN L192 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 206 DAG size of output: 33 [2019-12-07 11:26:54,936 WARN L192 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 26 [2019-12-07 11:26:55,366 WARN L192 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 34 [2019-12-07 11:26:55,835 WARN L192 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 24 [2019-12-07 11:26:57,060 WARN L192 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 205 DAG size of output: 28 [2019-12-07 11:26:57,892 WARN L192 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 26 [2019-12-07 11:26:59,046 WARN L192 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 180 DAG size of output: 30 [2019-12-07 11:26:59,070 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 617) no Hoare annotation was computed. [2019-12-07 11:26:59,070 INFO L246 CegarLoopResult]: For program point L531(lines 531 535) no Hoare annotation was computed. [2019-12-07 11:26:59,070 INFO L246 CegarLoopResult]: For program point L531-1(lines 129 135) no Hoare annotation was computed. [2019-12-07 11:26:59,071 INFO L242 CegarLoopResult]: At program point L399(lines 1 986) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-12-07 11:26:59,071 INFO L242 CegarLoopResult]: At program point L136(lines 136 142) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~6)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 .cse1 .cse3 .cse4 .cse2 (= 0 ~methAndRunningLastTime~0)) (and .cse0 .cse1 (= 0 ~methaneLevelCritical~0) .cse3 .cse4 .cse2))) [2019-12-07 11:26:59,071 INFO L242 CegarLoopResult]: At program point L103(lines 54 104) the Hoare annotation is: false [2019-12-07 11:26:59,071 INFO L242 CegarLoopResult]: At program point L136-1(lines 136 142) the Hoare annotation is: false [2019-12-07 11:26:59,071 INFO L242 CegarLoopResult]: At program point L136-2(lines 136 142) the Hoare annotation is: false [2019-12-07 11:26:59,071 INFO L246 CegarLoopResult]: For program point L599(lines 599 606) no Hoare annotation was computed. [2019-12-07 11:26:59,071 INFO L249 CegarLoopResult]: At program point L599-1(lines 599 606) the Hoare annotation is: true [2019-12-07 11:26:59,071 INFO L242 CegarLoopResult]: At program point L501(lines 492 505) the Hoare annotation is: false [2019-12-07 11:26:59,072 INFO L242 CegarLoopResult]: At program point L501-1(lines 492 505) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~6)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= 0 ~methaneLevelCritical~0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= 0 ~methAndRunningLastTime~0)))) [2019-12-07 11:26:59,072 INFO L242 CegarLoopResult]: At program point L501-2(lines 492 505) the Hoare annotation is: false [2019-12-07 11:26:59,072 INFO L242 CegarLoopResult]: At program point L501-3(lines 492 505) the Hoare annotation is: false [2019-12-07 11:26:59,072 INFO L242 CegarLoopResult]: At program point L501-4(lines 492 505) the Hoare annotation is: false [2019-12-07 11:26:59,072 INFO L242 CegarLoopResult]: At program point L501-5(lines 492 505) the Hoare annotation is: false [2019-12-07 11:26:59,072 INFO L242 CegarLoopResult]: At program point L240(lines 235 243) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~6)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3) (and .cse0 .cse1 (<= 2 ~waterLevel~0) (not (= 0 ~systemActive~0)) .cse3 (= 0 ~methAndRunningLastTime~0) (not .cse2)))) [2019-12-07 11:26:59,072 INFO L242 CegarLoopResult]: At program point L240-1(lines 235 243) the Hoare annotation is: false [2019-12-07 11:26:59,072 INFO L242 CegarLoopResult]: At program point L240-2(lines 235 243) the Hoare annotation is: false [2019-12-07 11:26:59,073 INFO L246 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-12-07 11:26:59,073 INFO L242 CegarLoopResult]: At program point L75-1(lines 75 81) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~6)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 (= 0 ~methAndRunningLastTime~0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) (not (= 0 ~systemActive~0)) .cse3 (not .cse2)))) [2019-12-07 11:26:59,073 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 617) no Hoare annotation was computed. [2019-12-07 11:26:59,073 INFO L242 CegarLoopResult]: At program point L407(lines 402 410) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-12-07 11:26:59,073 INFO L242 CegarLoopResult]: At program point L341(lines 336 343) the Hoare annotation is: (and (= 1 ULTIMATE.start_main_~tmp~6) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0) (= ULTIMATE.start_main_~tmp~6 ~systemActive~0)) [2019-12-07 11:26:59,073 INFO L246 CegarLoopResult]: For program point L308(lines 308 312) no Hoare annotation was computed. [2019-12-07 11:26:59,073 INFO L246 CegarLoopResult]: For program point L308-2(lines 308 312) no Hoare annotation was computed. [2019-12-07 11:26:59,073 INFO L246 CegarLoopResult]: For program point L308-3(lines 308 312) no Hoare annotation was computed. [2019-12-07 11:26:59,073 INFO L246 CegarLoopResult]: For program point L308-5(lines 308 312) no Hoare annotation was computed. [2019-12-07 11:26:59,074 INFO L246 CegarLoopResult]: For program point L308-6(lines 308 312) no Hoare annotation was computed. [2019-12-07 11:26:59,074 INFO L246 CegarLoopResult]: For program point L308-8(lines 308 312) no Hoare annotation was computed. [2019-12-07 11:26:59,074 INFO L249 CegarLoopResult]: At program point L608(lines 589 611) the Hoare annotation is: true [2019-12-07 11:26:59,074 INFO L242 CegarLoopResult]: At program point L575(lines 571 577) the Hoare annotation is: (and (= 1 ULTIMATE.start_main_~tmp~6) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0) (= ULTIMATE.start_main_~tmp~6 ~systemActive~0)) [2019-12-07 11:26:59,074 INFO L246 CegarLoopResult]: For program point L443(lines 443 447) no Hoare annotation was computed. [2019-12-07 11:26:59,074 INFO L242 CegarLoopResult]: At program point L511(lines 506 514) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~6) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (not (= 0 ~waterLevel~0)) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (not (= ~pumpRunning~0 0))) [2019-12-07 11:26:59,074 INFO L242 CegarLoopResult]: At program point L511-1(lines 506 514) the Hoare annotation is: false [2019-12-07 11:26:59,074 INFO L242 CegarLoopResult]: At program point L511-2(lines 506 514) the Hoare annotation is: false [2019-12-07 11:26:59,074 INFO L242 CegarLoopResult]: At program point L314(lines 299 317) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= 1 ULTIMATE.start_main_~tmp~6) (not (= 0 |ULTIMATE.start_isLowWaterLevel_#res|)) (= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (not (= 0 ~waterLevel~0)) (not (= 0 ULTIMATE.start_isLowWaterLevel_~tmp___0~2)) (= 0 ULTIMATE.start_isLowWaterLevel_~tmp~4) (not (= 0 ~systemActive~0)) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (not (= ~pumpRunning~0 0))) [2019-12-07 11:26:59,075 INFO L242 CegarLoopResult]: At program point L314-1(lines 299 317) the Hoare annotation is: false [2019-12-07 11:26:59,075 INFO L242 CegarLoopResult]: At program point L314-2(lines 299 317) the Hoare annotation is: false [2019-12-07 11:26:59,075 INFO L246 CegarLoopResult]: For program point L85(lines 85 98) no Hoare annotation was computed. [2019-12-07 11:26:59,075 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 11:26:59,075 INFO L246 CegarLoopResult]: For program point L352(lines 352 369) no Hoare annotation was computed. [2019-12-07 11:26:59,075 INFO L242 CegarLoopResult]: At program point L352-1(lines 1 986) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~6)) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) (not (= 0 ~systemActive~0)) .cse2 (not .cse3)) (and .cse0 .cse1 .cse3 .cse2 (= 0 ~methAndRunningLastTime~0)))) [2019-12-07 11:26:59,075 INFO L246 CegarLoopResult]: For program point L352-2(lines 352 369) no Hoare annotation was computed. [2019-12-07 11:26:59,075 INFO L242 CegarLoopResult]: At program point L352-3(lines 1 986) the Hoare annotation is: false [2019-12-07 11:26:59,075 INFO L246 CegarLoopResult]: For program point L352-4(lines 352 369) no Hoare annotation was computed. [2019-12-07 11:26:59,076 INFO L246 CegarLoopResult]: For program point L187(lines 187 204) no Hoare annotation was computed. [2019-12-07 11:26:59,076 INFO L242 CegarLoopResult]: At program point L352-5(lines 1 986) the Hoare annotation is: false [2019-12-07 11:26:59,076 INFO L246 CegarLoopResult]: For program point L187-1(lines 187 204) no Hoare annotation was computed. [2019-12-07 11:26:59,076 INFO L246 CegarLoopResult]: For program point L187-2(lines 187 204) no Hoare annotation was computed. [2019-12-07 11:26:59,076 INFO L246 CegarLoopResult]: For program point L617(line 617) no Hoare annotation was computed. [2019-12-07 11:26:59,076 INFO L246 CegarLoopResult]: For program point L617-1(line 617) no Hoare annotation was computed. [2019-12-07 11:26:59,076 INFO L246 CegarLoopResult]: For program point L617-2(line 617) no Hoare annotation was computed. [2019-12-07 11:26:59,076 INFO L246 CegarLoopResult]: For program point L419(lines 419 423) no Hoare annotation was computed. [2019-12-07 11:26:59,076 INFO L246 CegarLoopResult]: For program point L419-3(lines 419 423) no Hoare annotation was computed. [2019-12-07 11:26:59,076 INFO L246 CegarLoopResult]: For program point L419-6(lines 419 423) no Hoare annotation was computed. [2019-12-07 11:26:59,076 INFO L246 CegarLoopResult]: For program point L56(lines 55 102) no Hoare annotation was computed. [2019-12-07 11:26:59,077 INFO L246 CegarLoopResult]: For program point L57(lines 57 61) no Hoare annotation was computed. [2019-12-07 11:26:59,077 INFO L246 CegarLoopResult]: For program point L322(lines 322 328) no Hoare annotation was computed. [2019-12-07 11:26:59,077 INFO L242 CegarLoopResult]: At program point L322-1(lines 322 328) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~6)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse1 (= 0 ~methaneLevelCritical~0) .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (= 0 ~methAndRunningLastTime~0)))) [2019-12-07 11:26:59,077 INFO L246 CegarLoopResult]: For program point L289(lines 289 293) no Hoare annotation was computed. [2019-12-07 11:26:59,077 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 11:26:59,077 INFO L246 CegarLoopResult]: For program point L289-2(lines 289 293) no Hoare annotation was computed. [2019-12-07 11:26:59,077 INFO L246 CegarLoopResult]: For program point L289-3(lines 289 293) no Hoare annotation was computed. [2019-12-07 11:26:59,077 INFO L246 CegarLoopResult]: For program point L289-5(lines 289 293) no Hoare annotation was computed. [2019-12-07 11:26:59,077 INFO L246 CegarLoopResult]: For program point L91(lines 91 97) no Hoare annotation was computed. [2019-12-07 11:26:59,077 INFO L246 CegarLoopResult]: For program point L289-6(lines 289 293) no Hoare annotation was computed. [2019-12-07 11:26:59,078 INFO L242 CegarLoopResult]: At program point L91-1(lines 129 135) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~6)) (.cse5 (<= 2 ~waterLevel~0)) (.cse4 (= 0 ~systemActive~0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (= 0 ~methaneLevelCritical~0) .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 (= 0 ~methAndRunningLastTime~0)) (and .cse0 .cse1 .cse5 (not .cse4) .cse3 (not .cse2)))) [2019-12-07 11:26:59,078 INFO L246 CegarLoopResult]: For program point L289-8(lines 289 293) no Hoare annotation was computed. [2019-12-07 11:26:59,078 INFO L246 CegarLoopResult]: For program point L289-9(lines 289 293) no Hoare annotation was computed. [2019-12-07 11:26:59,078 INFO L246 CegarLoopResult]: For program point L289-11(lines 289 293) no Hoare annotation was computed. [2019-12-07 11:26:59,078 INFO L246 CegarLoopResult]: For program point L289-12(lines 289 293) no Hoare annotation was computed. [2019-12-07 11:26:59,078 INFO L246 CegarLoopResult]: For program point L289-14(lines 289 293) no Hoare annotation was computed. [2019-12-07 11:26:59,078 INFO L246 CegarLoopResult]: For program point L289-15(lines 289 293) no Hoare annotation was computed. [2019-12-07 11:26:59,078 INFO L246 CegarLoopResult]: For program point L289-17(lines 289 293) no Hoare annotation was computed. [2019-12-07 11:26:59,078 INFO L246 CegarLoopResult]: For program point L356(lines 356 366) no Hoare annotation was computed. [2019-12-07 11:26:59,078 INFO L246 CegarLoopResult]: For program point L356-2(lines 356 366) no Hoare annotation was computed. [2019-12-07 11:26:59,079 INFO L246 CegarLoopResult]: For program point L356-4(lines 356 366) no Hoare annotation was computed. [2019-12-07 11:26:59,079 INFO L246 CegarLoopResult]: For program point L191(lines 191 199) no Hoare annotation was computed. [2019-12-07 11:26:59,079 INFO L246 CegarLoopResult]: For program point L191-1(lines 191 199) no Hoare annotation was computed. [2019-12-07 11:26:59,079 INFO L246 CegarLoopResult]: For program point L191-2(lines 191 199) no Hoare annotation was computed. [2019-12-07 11:26:59,079 INFO L242 CegarLoopResult]: At program point L456(lines 451 459) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~6)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2) (and .cse0 .cse1 .cse3 .cse4 .cse2 (= 0 ~methAndRunningLastTime~0)) (and .cse0 .cse1 (= 0 ~methaneLevelCritical~0) .cse3 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse4 .cse2))) [2019-12-07 11:26:59,079 INFO L242 CegarLoopResult]: At program point L456-1(lines 451 459) the Hoare annotation is: false [2019-12-07 11:26:59,079 INFO L242 CegarLoopResult]: At program point L456-2(lines 451 459) the Hoare annotation is: false [2019-12-07 11:26:59,079 INFO L246 CegarLoopResult]: For program point L357(lines 357 363) no Hoare annotation was computed. [2019-12-07 11:26:59,079 INFO L246 CegarLoopResult]: For program point L357-2(lines 357 363) no Hoare annotation was computed. [2019-12-07 11:26:59,079 INFO L246 CegarLoopResult]: For program point L357-4(lines 357 363) no Hoare annotation was computed. [2019-12-07 11:26:59,080 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 11:26:59,080 INFO L246 CegarLoopResult]: For program point L161(lines 161 178) no Hoare annotation was computed. [2019-12-07 11:26:59,080 INFO L246 CegarLoopResult]: For program point L161-1(lines 161 178) no Hoare annotation was computed. [2019-12-07 11:26:59,080 INFO L246 CegarLoopResult]: For program point L161-2(lines 161 178) no Hoare annotation was computed. [2019-12-07 11:26:59,080 INFO L246 CegarLoopResult]: For program point L161-3(lines 161 178) no Hoare annotation was computed. [2019-12-07 11:26:59,080 INFO L246 CegarLoopResult]: For program point L161-4(lines 161 178) no Hoare annotation was computed. [2019-12-07 11:26:59,080 INFO L246 CegarLoopResult]: For program point L161-5(lines 161 178) no Hoare annotation was computed. [2019-12-07 11:26:59,080 INFO L242 CegarLoopResult]: At program point L129(lines 128 147) the Hoare annotation is: (let ((.cse4 (= 0 ~systemActive~0)) (.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~6)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= 0 ~methaneLevelCritical~0) .cse2 .cse3) (and .cse0 .cse1 (not (= 0 ~waterLevel~0)) (not .cse4) .cse3 (not .cse2)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 (= 0 ~methAndRunningLastTime~0)))) [2019-12-07 11:26:59,080 INFO L246 CegarLoopResult]: For program point L129-1(lines 129 135) no Hoare annotation was computed. [2019-12-07 11:26:59,080 INFO L242 CegarLoopResult]: At program point L129-2(lines 128 147) the Hoare annotation is: false [2019-12-07 11:26:59,081 INFO L242 CegarLoopResult]: At program point L129-3(lines 128 147) the Hoare annotation is: false [2019-12-07 11:26:59,081 INFO L242 CegarLoopResult]: At program point L295(lines 280 298) the Hoare annotation is: false [2019-12-07 11:26:59,081 INFO L242 CegarLoopResult]: At program point L295-1(lines 280 298) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~6)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= 0 ~methaneLevelCritical~0) .cse2 .cse3 .cse4 .cse5) (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 .cse1 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~1) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~3)) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= 0 ~methAndRunningLastTime~0)))) [2019-12-07 11:26:59,081 INFO L242 CegarLoopResult]: At program point L295-2(lines 280 298) the Hoare annotation is: false [2019-12-07 11:26:59,081 INFO L242 CegarLoopResult]: At program point L295-3(lines 280 298) the Hoare annotation is: false [2019-12-07 11:26:59,081 INFO L242 CegarLoopResult]: At program point L295-4(lines 280 298) the Hoare annotation is: false [2019-12-07 11:26:59,081 INFO L242 CegarLoopResult]: At program point L295-5(lines 280 298) the Hoare annotation is: false [2019-12-07 11:26:59,081 INFO L242 CegarLoopResult]: At program point L527-2(lines 527 541) the Hoare annotation is: false [2019-12-07 11:26:59,081 INFO L246 CegarLoopResult]: For program point L65(lines 65 71) no Hoare annotation was computed. [2019-12-07 11:26:59,082 INFO L242 CegarLoopResult]: At program point L65-1(lines 65 71) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~6)) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) (not (= 0 ~systemActive~0)) .cse2 (not .cse3)) (and .cse0 .cse1 .cse3 .cse2 (= 0 ~methAndRunningLastTime~0)))) [2019-12-07 11:26:59,082 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 11:26:59,082 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 617) no Hoare annotation was computed. [2019-12-07 11:26:59,082 INFO L246 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2019-12-07 11:26:59,082 INFO L246 CegarLoopResult]: For program point L165(lines 165 173) no Hoare annotation was computed. [2019-12-07 11:26:59,082 INFO L246 CegarLoopResult]: For program point L165-1(lines 165 173) no Hoare annotation was computed. [2019-12-07 11:26:59,082 INFO L246 CegarLoopResult]: For program point L165-2(lines 165 173) no Hoare annotation was computed. [2019-12-07 11:26:59,082 INFO L246 CegarLoopResult]: For program point L165-3(lines 165 173) no Hoare annotation was computed. [2019-12-07 11:26:59,082 INFO L246 CegarLoopResult]: For program point L165-4(lines 165 173) no Hoare annotation was computed. [2019-12-07 11:26:59,082 INFO L246 CegarLoopResult]: For program point L165-5(lines 165 173) no Hoare annotation was computed. [2019-12-07 11:26:59,082 INFO L246 CegarLoopResult]: For program point L496(lines 496 502) no Hoare annotation was computed. [2019-12-07 11:26:59,083 INFO L246 CegarLoopResult]: For program point L496-1(lines 496 502) no Hoare annotation was computed. [2019-12-07 11:26:59,083 INFO L246 CegarLoopResult]: For program point L496-2(lines 496 502) no Hoare annotation was computed. [2019-12-07 11:26:59,083 INFO L246 CegarLoopResult]: For program point L496-3(lines 496 502) no Hoare annotation was computed. [2019-12-07 11:26:59,083 INFO L246 CegarLoopResult]: For program point L496-4(lines 496 502) no Hoare annotation was computed. [2019-12-07 11:26:59,083 INFO L246 CegarLoopResult]: For program point L496-5(lines 496 502) no Hoare annotation was computed. [2019-12-07 11:26:59,083 INFO L246 CegarLoopResult]: For program point L431(lines 431 435) no Hoare annotation was computed. [2019-12-07 11:26:59,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 11:26:59 BoogieIcfgContainer [2019-12-07 11:26:59,110 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 11:26:59,110 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 11:26:59,110 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 11:26:59,110 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 11:26:59,111 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:26:45" (3/4) ... [2019-12-07 11:26:59,113 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 11:26:59,125 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 11:26:59,126 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 11:26:59,127 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 11:26:59,127 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 11:26:59,128 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 11:26:59,129 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 11:26:59,129 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 11:26:59,148 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime [2019-12-07 11:26:59,148 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == tmp && 0 == methaneLevelCritical) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime) && tmp == systemActive [2019-12-07 11:26:59,148 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == tmp && 0 == methaneLevelCritical) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime) && tmp == systemActive [2019-12-07 11:26:59,149 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0)) || ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-12-07 11:26:59,149 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0)) || ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-12-07 11:26:59,149 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0)) [2019-12-07 11:26:59,149 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0)) [2019-12-07 11:26:59,150 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || (((((\result == 1 && 1 == tmp) && !(0 == waterLevel)) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0))) || (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-12-07 11:26:59,150 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) || (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-12-07 11:26:59,150 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || ((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-12-07 11:26:59,151 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) || (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && !(0 == systemActive)) && 0 == splverifierCounter) [2019-12-07 11:26:59,151 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && 1 == tmp) && 0 == \result) && !(0 == waterLevel)) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0) [2019-12-07 11:26:59,152 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == 1 && 1 == tmp) && !(\result == 0)) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-12-07 11:26:59,152 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && 1 == tmp) && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && !(pumpRunning == 0)) [2019-12-07 11:26:59,152 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 1 && 1 == tmp) && !(0 == \result)) && 0 == \result) && !(0 == waterLevel)) && !(0 == tmp___0)) && 0 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0) [2019-12-07 11:26:59,152 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((((0 == \result && \result == 1) && 1 == tmp) && 0 == tmp___0) && !(0 == tmp)) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-12-07 11:26:59,188 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_317433ac-4887-4de6-a439-d41d05daba8b/bin/uautomizer/witness.graphml [2019-12-07 11:26:59,188 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 11:26:59,189 INFO L168 Benchmark]: Toolchain (without parser) took 14455.62 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 401.6 MB). Free memory was 943.5 MB in the beginning and 1.3 GB in the end (delta: -310.0 MB). Peak memory consumption was 91.6 MB. Max. memory is 11.5 GB. [2019-12-07 11:26:59,189 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:26:59,189 INFO L168 Benchmark]: CACSL2BoogieTranslator took 320.71 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.4 MB). Free memory was 938.1 MB in the beginning and 1.1 GB in the end (delta: -139.2 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-12-07 11:26:59,190 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 11:26:59,190 INFO L168 Benchmark]: Boogie Preprocessor took 30.48 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:26:59,190 INFO L168 Benchmark]: RCFGBuilder took 510.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.9 MB). Peak memory consumption was 65.9 MB. Max. memory is 11.5 GB. [2019-12-07 11:26:59,190 INFO L168 Benchmark]: TraceAbstraction took 13464.82 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 307.2 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -263.3 MB). Peak memory consumption was 452.8 MB. Max. memory is 11.5 GB. [2019-12-07 11:26:59,190 INFO L168 Benchmark]: Witness Printer took 78.03 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 15.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. [2019-12-07 11:26:59,192 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 320.71 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.4 MB). Free memory was 938.1 MB in the beginning and 1.1 GB in the end (delta: -139.2 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.48 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 510.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.9 MB). Peak memory consumption was 65.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 13464.82 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 307.2 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -263.3 MB). Peak memory consumption was 452.8 MB. Max. memory is 11.5 GB. * Witness Printer took 78.03 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 15.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 617]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 617]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 617]: 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: 299]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: (((((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0)) - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 599]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 589]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 336]: Loop Invariant Derived loop invariant: (((((1 == tmp && 0 == methaneLevelCritical) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime) && tmp == systemActive - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: (((((1 == tmp && 0 == methaneLevelCritical) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime) && tmp == systemActive - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: (((((\result == 1 && 1 == tmp) && 0 == \result) && !(0 == waterLevel)) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0)) || ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: (((((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((\result == 1 && 1 == tmp) && !(\result == 0)) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0)) || ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || (((((\result == 1 && 1 == tmp) && !(0 == waterLevel)) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0))) || (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: ((((((((\result == 1 && 1 == tmp) && !(0 == \result)) && 0 == \result) && !(0 == waterLevel)) && !(0 == tmp___0)) && 0 == tmp) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0) - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: ((((\result == 1 && 1 == tmp) && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && !(pumpRunning == 0)) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: (((((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) || (((((((0 == \result && \result == 1) && 1 == tmp) && 0 == tmp___0) && !(0 == tmp)) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter)) || ((((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && pumpRunning == 0) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 527]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 322]: Loop Invariant Derived loop invariant: (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) || ((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) || (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 492]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && !(pumpRunning == 0)) - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: ((((\result == 1 && 1 == tmp) && pumpRunning == 0) && 0 == splverifierCounter) || (((((\result == 1 && 1 == tmp) && 2 <= waterLevel) && !(0 == systemActive)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((((\result == 1 && 1 == tmp) && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == \result) && !(0 == systemActive)) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 123 locations, 3 error locations. Result: SAFE, OverallTime: 2.0s, OverallIterations: 14, TraceHistogramMax: 2, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.3s, HoareTripleCheckerStatistics: 1407 SDtfs, 2194 SDslu, 2403 SDs, 0 SdLazy, 278 SolverSat, 58 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 103 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=545occurred in iteration=11, 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, 14 MinimizatonAttempts, 2316 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 188 NumberOfFragments, 775 HoareAnnotationTreeSize, 45 FomulaSimplifications, 1746399 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 45 FomulaSimplificationsInter, 964553 FormulaSimplificationTreeSizeReductionInter, 10.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 510 NumberOfCodeBlocks, 510 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 496 ConstructedInterpolants, 0 QuantifiedInterpolants, 35470 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 82/82 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...