./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product61.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_23014c9b-303e-48fa-bf1b-3a7c9d609d7e/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_23014c9b-303e-48fa-bf1b-3a7c9d609d7e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_23014c9b-303e-48fa-bf1b-3a7c9d609d7e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_23014c9b-303e-48fa-bf1b-3a7c9d609d7e/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product61.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_23014c9b-303e-48fa-bf1b-3a7c9d609d7e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_23014c9b-303e-48fa-bf1b-3a7c9d609d7e/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 0a6118f2b5d6b5aa5216f9e2bec3bfdc8db33c9f .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:56:36,116 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:56:36,118 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:56:36,127 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:56:36,128 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:56:36,128 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:56:36,129 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:56:36,131 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:56:36,132 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:56:36,133 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:56:36,134 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:56:36,135 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:56:36,135 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:56:36,136 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:56:36,137 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:56:36,138 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:56:36,138 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:56:36,139 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:56:36,141 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:56:36,142 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:56:36,143 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:56:36,145 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:56:36,145 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:56:36,146 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:56:36,148 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:56:36,149 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:56:36,149 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:56:36,149 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:56:36,150 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:56:36,151 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:56:36,151 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:56:36,151 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:56:36,152 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:56:36,153 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:56:36,154 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:56:36,154 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:56:36,155 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:56:36,155 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:56:36,155 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:56:36,156 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:56:36,156 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:56:36,157 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_23014c9b-303e-48fa-bf1b-3a7c9d609d7e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 08:56:36,168 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:56:36,168 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:56:36,169 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:56:36,169 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:56:36,169 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:56:36,169 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:56:36,170 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:56:36,170 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:56:36,170 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:56:36,170 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:56:36,170 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:56:36,170 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:56:36,171 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:56:36,171 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:56:36,171 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:56:36,171 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:56:36,171 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:56:36,172 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:56:36,172 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:56:36,172 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:56:36,172 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:56:36,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:56:36,173 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:56:36,173 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:56:36,173 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:56:36,173 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:56:36,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:56:36,174 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:56:36,174 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/working_dir_23014c9b-303e-48fa-bf1b-3a7c9d609d7e/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 -> 0a6118f2b5d6b5aa5216f9e2bec3bfdc8db33c9f [2019-10-22 08:56:36,198 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:56:36,208 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:56:36,215 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:56:36,218 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:56:36,224 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:56:36,225 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_23014c9b-303e-48fa-bf1b-3a7c9d609d7e/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product61.cil.c [2019-10-22 08:56:36,287 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_23014c9b-303e-48fa-bf1b-3a7c9d609d7e/bin/uautomizer/data/fc0b48a16/a8462c7a63b242d590afb5f885a9fe61/FLAG8fa0f7acc [2019-10-22 08:56:36,793 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:56:36,793 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_23014c9b-303e-48fa-bf1b-3a7c9d609d7e/sv-benchmarks/c/product-lines/minepump_spec2_product61.cil.c [2019-10-22 08:56:36,811 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_23014c9b-303e-48fa-bf1b-3a7c9d609d7e/bin/uautomizer/data/fc0b48a16/a8462c7a63b242d590afb5f885a9fe61/FLAG8fa0f7acc [2019-10-22 08:56:37,094 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_23014c9b-303e-48fa-bf1b-3a7c9d609d7e/bin/uautomizer/data/fc0b48a16/a8462c7a63b242d590afb5f885a9fe61 [2019-10-22 08:56:37,096 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:56:37,097 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:56:37,097 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:56:37,097 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:56:37,100 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:56:37,100 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:56:37" (1/1) ... [2019-10-22 08:56:37,102 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64fee1ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:37, skipping insertion in model container [2019-10-22 08:56:37,103 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:56:37" (1/1) ... [2019-10-22 08:56:37,109 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:56:37,155 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:56:37,507 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:56:37,524 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:56:37,600 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:56:37,629 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:56:37,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:37 WrapperNode [2019-10-22 08:56:37,630 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:56:37,630 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:56:37,631 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:56:37,631 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:56:37,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:37" (1/1) ... [2019-10-22 08:56:37,650 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:37" (1/1) ... [2019-10-22 08:56:37,716 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:56:37,716 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:56:37,716 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:56:37,716 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:56:37,731 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:37" (1/1) ... [2019-10-22 08:56:37,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:37" (1/1) ... [2019-10-22 08:56:37,736 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:37" (1/1) ... [2019-10-22 08:56:37,736 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:37" (1/1) ... [2019-10-22 08:56:37,752 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:37" (1/1) ... [2019-10-22 08:56:37,761 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:37" (1/1) ... [2019-10-22 08:56:37,765 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:37" (1/1) ... [2019-10-22 08:56:37,771 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:56:37,771 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:56:37,771 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:56:37,771 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:56:37,772 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_23014c9b-303e-48fa-bf1b-3a7c9d609d7e/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 [2019-10-22 08:56:37,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:56:37,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 08:56:37,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:56:37,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:56:38,840 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:56:38,841 INFO L284 CfgBuilder]: Removed 350 assume(true) statements. [2019-10-22 08:56:38,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:38 BoogieIcfgContainer [2019-10-22 08:56:38,842 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:56:38,843 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:56:38,843 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:56:38,847 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:56:38,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:56:37" (1/3) ... [2019-10-22 08:56:38,848 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32dac56e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:56:38, skipping insertion in model container [2019-10-22 08:56:38,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:56:37" (2/3) ... [2019-10-22 08:56:38,848 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32dac56e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:56:38, skipping insertion in model container [2019-10-22 08:56:38,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:38" (3/3) ... [2019-10-22 08:56:38,850 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product61.cil.c [2019-10-22 08:56:38,859 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:56:38,869 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 08:56:38,879 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 08:56:38,904 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:56:38,905 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:56:38,905 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:56:38,905 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:56:38,905 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:56:38,905 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:56:38,905 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:56:38,906 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:56:38,924 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states. [2019-10-22 08:56:38,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 08:56:38,931 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:38,932 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:38,934 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:38,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:38,938 INFO L82 PathProgramCache]: Analyzing trace with hash 1680546116, now seen corresponding path program 1 times [2019-10-22 08:56:38,944 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:38,945 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637296748] [2019-10-22 08:56:38,945 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:38,945 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:38,945 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:39,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:39,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:39,154 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637296748] [2019-10-22 08:56:39,155 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:39,155 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:56:39,155 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425320352] [2019-10-22 08:56:39,160 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 08:56:39,160 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:39,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 08:56:39,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 08:56:39,173 INFO L87 Difference]: Start difference. First operand 229 states. Second operand 2 states. [2019-10-22 08:56:39,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:39,210 INFO L93 Difference]: Finished difference Result 451 states and 678 transitions. [2019-10-22 08:56:39,211 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 08:56:39,212 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-10-22 08:56:39,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:39,223 INFO L225 Difference]: With dead ends: 451 [2019-10-22 08:56:39,224 INFO L226 Difference]: Without dead ends: 225 [2019-10-22 08:56:39,227 INFO L600 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 [2019-10-22 08:56:39,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2019-10-22 08:56:39,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225. [2019-10-22 08:56:39,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2019-10-22 08:56:39,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 331 transitions. [2019-10-22 08:56:39,282 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 331 transitions. Word has length 18 [2019-10-22 08:56:39,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:39,282 INFO L462 AbstractCegarLoop]: Abstraction has 225 states and 331 transitions. [2019-10-22 08:56:39,282 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 08:56:39,282 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 331 transitions. [2019-10-22 08:56:39,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 08:56:39,283 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:39,283 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:39,284 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:39,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:39,284 INFO L82 PathProgramCache]: Analyzing trace with hash 1461710147, now seen corresponding path program 1 times [2019-10-22 08:56:39,284 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:39,284 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335604701] [2019-10-22 08:56:39,285 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:39,285 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:39,285 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:39,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:39,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:39,383 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335604701] [2019-10-22 08:56:39,383 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:39,383 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:56:39,383 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38360591] [2019-10-22 08:56:39,385 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:56:39,385 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:39,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:56:39,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:56:39,385 INFO L87 Difference]: Start difference. First operand 225 states and 331 transitions. Second operand 3 states. [2019-10-22 08:56:39,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:39,401 INFO L93 Difference]: Finished difference Result 225 states and 331 transitions. [2019-10-22 08:56:39,404 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:56:39,404 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-10-22 08:56:39,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:39,405 INFO L225 Difference]: With dead ends: 225 [2019-10-22 08:56:39,405 INFO L226 Difference]: Without dead ends: 85 [2019-10-22 08:56:39,406 INFO L600 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 [2019-10-22 08:56:39,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2019-10-22 08:56:39,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2019-10-22 08:56:39,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2019-10-22 08:56:39,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 124 transitions. [2019-10-22 08:56:39,412 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 124 transitions. Word has length 19 [2019-10-22 08:56:39,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:39,412 INFO L462 AbstractCegarLoop]: Abstraction has 85 states and 124 transitions. [2019-10-22 08:56:39,412 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:56:39,413 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 124 transitions. [2019-10-22 08:56:39,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 08:56:39,413 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:39,413 INFO L380 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] [2019-10-22 08:56:39,414 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:39,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:39,417 INFO L82 PathProgramCache]: Analyzing trace with hash -1946007882, now seen corresponding path program 1 times [2019-10-22 08:56:39,417 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:39,417 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761346762] [2019-10-22 08:56:39,417 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:39,417 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:39,418 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:39,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:39,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:39,567 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761346762] [2019-10-22 08:56:39,567 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:39,567 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 08:56:39,567 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433232635] [2019-10-22 08:56:39,568 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 08:56:39,568 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:39,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 08:56:39,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:56:39,569 INFO L87 Difference]: Start difference. First operand 85 states and 124 transitions. Second operand 6 states. [2019-10-22 08:56:39,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:39,640 INFO L93 Difference]: Finished difference Result 163 states and 241 transitions. [2019-10-22 08:56:39,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 08:56:39,640 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2019-10-22 08:56:39,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:39,641 INFO L225 Difference]: With dead ends: 163 [2019-10-22 08:56:39,641 INFO L226 Difference]: Without dead ends: 85 [2019-10-22 08:56:39,642 INFO L600 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 [2019-10-22 08:56:39,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2019-10-22 08:56:39,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2019-10-22 08:56:39,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2019-10-22 08:56:39,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 123 transitions. [2019-10-22 08:56:39,650 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 123 transitions. Word has length 24 [2019-10-22 08:56:39,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:39,651 INFO L462 AbstractCegarLoop]: Abstraction has 85 states and 123 transitions. [2019-10-22 08:56:39,651 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 08:56:39,651 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 123 transitions. [2019-10-22 08:56:39,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 08:56:39,652 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:39,652 INFO L380 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] [2019-10-22 08:56:39,652 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:39,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:39,653 INFO L82 PathProgramCache]: Analyzing trace with hash -427711681, now seen corresponding path program 1 times [2019-10-22 08:56:39,653 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:39,653 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949933919] [2019-10-22 08:56:39,653 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:39,654 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:39,654 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:39,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:39,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:39,705 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949933919] [2019-10-22 08:56:39,705 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:39,705 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:56:39,706 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528284473] [2019-10-22 08:56:39,706 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:56:39,706 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:39,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:56:39,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:56:39,707 INFO L87 Difference]: Start difference. First operand 85 states and 123 transitions. Second operand 3 states. [2019-10-22 08:56:39,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:39,746 INFO L93 Difference]: Finished difference Result 170 states and 249 transitions. [2019-10-22 08:56:39,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:56:39,747 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2019-10-22 08:56:39,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:39,748 INFO L225 Difference]: With dead ends: 170 [2019-10-22 08:56:39,748 INFO L226 Difference]: Without dead ends: 92 [2019-10-22 08:56:39,748 INFO L600 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 [2019-10-22 08:56:39,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2019-10-22 08:56:39,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 90. [2019-10-22 08:56:39,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2019-10-22 08:56:39,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 127 transitions. [2019-10-22 08:56:39,757 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 127 transitions. Word has length 27 [2019-10-22 08:56:39,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:39,758 INFO L462 AbstractCegarLoop]: Abstraction has 90 states and 127 transitions. [2019-10-22 08:56:39,758 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:56:39,758 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 127 transitions. [2019-10-22 08:56:39,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 08:56:39,759 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:39,759 INFO L380 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] [2019-10-22 08:56:39,759 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:39,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:39,760 INFO L82 PathProgramCache]: Analyzing trace with hash 1598633195, now seen corresponding path program 1 times [2019-10-22 08:56:39,760 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:39,760 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217808367] [2019-10-22 08:56:39,760 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:39,760 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:39,761 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:39,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:39,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:39,827 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217808367] [2019-10-22 08:56:39,827 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:39,827 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:56:39,827 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791256659] [2019-10-22 08:56:39,828 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:56:39,828 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:39,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:56:39,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:56:39,829 INFO L87 Difference]: Start difference. First operand 90 states and 127 transitions. Second operand 5 states. [2019-10-22 08:56:39,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:39,954 INFO L93 Difference]: Finished difference Result 333 states and 476 transitions. [2019-10-22 08:56:39,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 08:56:39,955 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2019-10-22 08:56:39,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:39,956 INFO L225 Difference]: With dead ends: 333 [2019-10-22 08:56:39,956 INFO L226 Difference]: Without dead ends: 250 [2019-10-22 08:56:39,957 INFO L600 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 [2019-10-22 08:56:39,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2019-10-22 08:56:39,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 89. [2019-10-22 08:56:39,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2019-10-22 08:56:39,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 124 transitions. [2019-10-22 08:56:39,968 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 124 transitions. Word has length 33 [2019-10-22 08:56:39,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:39,968 INFO L462 AbstractCegarLoop]: Abstraction has 89 states and 124 transitions. [2019-10-22 08:56:39,968 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:56:39,968 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 124 transitions. [2019-10-22 08:56:39,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-22 08:56:39,969 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:39,969 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:39,970 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:39,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:39,970 INFO L82 PathProgramCache]: Analyzing trace with hash 1464711159, now seen corresponding path program 1 times [2019-10-22 08:56:39,970 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:39,971 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216369613] [2019-10-22 08:56:39,971 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:39,971 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:39,971 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:39,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:40,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:40,053 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216369613] [2019-10-22 08:56:40,053 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:40,053 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 08:56:40,053 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651939806] [2019-10-22 08:56:40,054 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:56:40,054 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:40,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:56:40,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:56:40,054 INFO L87 Difference]: Start difference. First operand 89 states and 124 transitions. Second operand 5 states. [2019-10-22 08:56:40,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:40,140 INFO L93 Difference]: Finished difference Result 221 states and 308 transitions. [2019-10-22 08:56:40,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 08:56:40,141 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2019-10-22 08:56:40,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:40,142 INFO L225 Difference]: With dead ends: 221 [2019-10-22 08:56:40,142 INFO L226 Difference]: Without dead ends: 139 [2019-10-22 08:56:40,142 INFO L600 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 [2019-10-22 08:56:40,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2019-10-22 08:56:40,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 98. [2019-10-22 08:56:40,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2019-10-22 08:56:40,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 133 transitions. [2019-10-22 08:56:40,158 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 133 transitions. Word has length 36 [2019-10-22 08:56:40,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:40,158 INFO L462 AbstractCegarLoop]: Abstraction has 98 states and 133 transitions. [2019-10-22 08:56:40,158 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:56:40,158 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 133 transitions. [2019-10-22 08:56:40,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-22 08:56:40,159 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:40,159 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:40,159 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:40,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:40,164 INFO L82 PathProgramCache]: Analyzing trace with hash 453593909, now seen corresponding path program 1 times [2019-10-22 08:56:40,165 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:40,165 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180005134] [2019-10-22 08:56:40,165 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:40,165 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:40,165 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:40,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:40,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:40,210 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180005134] [2019-10-22 08:56:40,210 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:40,210 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:56:40,210 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376998826] [2019-10-22 08:56:40,211 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:56:40,211 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:40,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:56:40,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:56:40,211 INFO L87 Difference]: Start difference. First operand 98 states and 133 transitions. Second operand 4 states. [2019-10-22 08:56:40,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:40,269 INFO L93 Difference]: Finished difference Result 225 states and 305 transitions. [2019-10-22 08:56:40,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:56:40,269 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 36 [2019-10-22 08:56:40,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:40,270 INFO L225 Difference]: With dead ends: 225 [2019-10-22 08:56:40,270 INFO L226 Difference]: Without dead ends: 134 [2019-10-22 08:56:40,271 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:56:40,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2019-10-22 08:56:40,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 104. [2019-10-22 08:56:40,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2019-10-22 08:56:40,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 139 transitions. [2019-10-22 08:56:40,286 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 139 transitions. Word has length 36 [2019-10-22 08:56:40,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:40,286 INFO L462 AbstractCegarLoop]: Abstraction has 104 states and 139 transitions. [2019-10-22 08:56:40,286 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:56:40,287 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 139 transitions. [2019-10-22 08:56:40,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-22 08:56:40,287 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:40,287 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:40,291 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:40,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:40,292 INFO L82 PathProgramCache]: Analyzing trace with hash -567474445, now seen corresponding path program 1 times [2019-10-22 08:56:40,292 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:40,292 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42164989] [2019-10-22 08:56:40,292 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:40,293 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:40,293 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:40,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:40,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:40,347 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42164989] [2019-10-22 08:56:40,347 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:40,347 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:56:40,347 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228530141] [2019-10-22 08:56:40,348 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:56:40,348 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:40,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:56:40,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:56:40,349 INFO L87 Difference]: Start difference. First operand 104 states and 139 transitions. Second operand 3 states. [2019-10-22 08:56:40,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:40,376 INFO L93 Difference]: Finished difference Result 228 states and 306 transitions. [2019-10-22 08:56:40,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:56:40,377 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2019-10-22 08:56:40,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:40,378 INFO L225 Difference]: With dead ends: 228 [2019-10-22 08:56:40,378 INFO L226 Difference]: Without dead ends: 131 [2019-10-22 08:56:40,379 INFO L600 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 [2019-10-22 08:56:40,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2019-10-22 08:56:40,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2019-10-22 08:56:40,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-10-22 08:56:40,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 172 transitions. [2019-10-22 08:56:40,395 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 172 transitions. Word has length 36 [2019-10-22 08:56:40,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:40,396 INFO L462 AbstractCegarLoop]: Abstraction has 131 states and 172 transitions. [2019-10-22 08:56:40,396 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:56:40,396 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 172 transitions. [2019-10-22 08:56:40,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-10-22 08:56:40,397 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:40,397 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:40,397 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:40,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:40,398 INFO L82 PathProgramCache]: Analyzing trace with hash -2041953229, now seen corresponding path program 1 times [2019-10-22 08:56:40,398 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:40,398 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046663398] [2019-10-22 08:56:40,398 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:40,398 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:40,398 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:40,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:40,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:40,447 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046663398] [2019-10-22 08:56:40,447 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:40,447 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:56:40,447 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144144681] [2019-10-22 08:56:40,448 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:56:40,448 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:40,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:56:40,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:56:40,448 INFO L87 Difference]: Start difference. First operand 131 states and 172 transitions. Second operand 3 states. [2019-10-22 08:56:40,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:40,489 INFO L93 Difference]: Finished difference Result 216 states and 286 transitions. [2019-10-22 08:56:40,489 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:56:40,489 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2019-10-22 08:56:40,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:40,490 INFO L225 Difference]: With dead ends: 216 [2019-10-22 08:56:40,490 INFO L226 Difference]: Without dead ends: 214 [2019-10-22 08:56:40,491 INFO L600 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 [2019-10-22 08:56:40,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2019-10-22 08:56:40,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 194. [2019-10-22 08:56:40,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2019-10-22 08:56:40,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 263 transitions. [2019-10-22 08:56:40,537 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 263 transitions. Word has length 37 [2019-10-22 08:56:40,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:40,537 INFO L462 AbstractCegarLoop]: Abstraction has 194 states and 263 transitions. [2019-10-22 08:56:40,537 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:56:40,537 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 263 transitions. [2019-10-22 08:56:40,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-10-22 08:56:40,538 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:40,539 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:40,539 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:40,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:40,545 INFO L82 PathProgramCache]: Analyzing trace with hash 1650021486, now seen corresponding path program 1 times [2019-10-22 08:56:40,545 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:40,545 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307404812] [2019-10-22 08:56:40,545 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:40,545 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:40,545 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:40,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:40,606 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:40,606 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307404812] [2019-10-22 08:56:40,607 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:40,607 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 08:56:40,607 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096358552] [2019-10-22 08:56:40,607 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:56:40,607 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:40,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:56:40,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:56:40,613 INFO L87 Difference]: Start difference. First operand 194 states and 263 transitions. Second operand 5 states. [2019-10-22 08:56:40,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:40,679 INFO L93 Difference]: Finished difference Result 293 states and 405 transitions. [2019-10-22 08:56:40,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 08:56:40,679 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2019-10-22 08:56:40,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:40,680 INFO L225 Difference]: With dead ends: 293 [2019-10-22 08:56:40,680 INFO L226 Difference]: Without dead ends: 133 [2019-10-22 08:56:40,680 INFO L600 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 [2019-10-22 08:56:40,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2019-10-22 08:56:40,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2019-10-22 08:56:40,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2019-10-22 08:56:40,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 174 transitions. [2019-10-22 08:56:40,690 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 174 transitions. Word has length 65 [2019-10-22 08:56:40,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:40,690 INFO L462 AbstractCegarLoop]: Abstraction has 133 states and 174 transitions. [2019-10-22 08:56:40,690 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:56:40,690 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 174 transitions. [2019-10-22 08:56:40,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-10-22 08:56:40,691 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:40,691 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:40,691 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:40,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:40,692 INFO L82 PathProgramCache]: Analyzing trace with hash 1389045519, now seen corresponding path program 1 times [2019-10-22 08:56:40,694 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:40,694 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948685470] [2019-10-22 08:56:40,694 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:40,694 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:40,694 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:40,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:40,780 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:56:40,780 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948685470] [2019-10-22 08:56:40,780 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:40,780 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-22 08:56:40,780 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731583787] [2019-10-22 08:56:40,781 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 08:56:40,781 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:40,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 08:56:40,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-22 08:56:40,781 INFO L87 Difference]: Start difference. First operand 133 states and 174 transitions. Second operand 8 states. [2019-10-22 08:56:41,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:41,273 INFO L93 Difference]: Finished difference Result 716 states and 943 transitions. [2019-10-22 08:56:41,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-10-22 08:56:41,274 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 65 [2019-10-22 08:56:41,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:41,276 INFO L225 Difference]: With dead ends: 716 [2019-10-22 08:56:41,276 INFO L226 Difference]: Without dead ends: 590 [2019-10-22 08:56:41,277 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=154, Invalid=446, Unknown=0, NotChecked=0, Total=600 [2019-10-22 08:56:41,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2019-10-22 08:56:41,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 212. [2019-10-22 08:56:41,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2019-10-22 08:56:41,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 271 transitions. [2019-10-22 08:56:41,300 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 271 transitions. Word has length 65 [2019-10-22 08:56:41,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:41,301 INFO L462 AbstractCegarLoop]: Abstraction has 212 states and 271 transitions. [2019-10-22 08:56:41,302 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 08:56:41,302 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 271 transitions. [2019-10-22 08:56:41,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-10-22 08:56:41,302 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:41,303 INFO L380 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:41,303 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:41,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:41,303 INFO L82 PathProgramCache]: Analyzing trace with hash 793065027, now seen corresponding path program 1 times [2019-10-22 08:56:41,303 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:41,303 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635267989] [2019-10-22 08:56:41,304 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:41,304 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:41,304 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:41,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:41,362 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-22 08:56:41,362 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635267989] [2019-10-22 08:56:41,363 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:41,363 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:56:41,363 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230385444] [2019-10-22 08:56:41,363 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:56:41,363 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:41,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:56:41,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:56:41,364 INFO L87 Difference]: Start difference. First operand 212 states and 271 transitions. Second operand 3 states. [2019-10-22 08:56:41,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:41,399 INFO L93 Difference]: Finished difference Result 511 states and 652 transitions. [2019-10-22 08:56:41,400 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:56:41,400 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2019-10-22 08:56:41,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:41,401 INFO L225 Difference]: With dead ends: 511 [2019-10-22 08:56:41,401 INFO L226 Difference]: Without dead ends: 212 [2019-10-22 08:56:41,402 INFO L600 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 [2019-10-22 08:56:41,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2019-10-22 08:56:41,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2019-10-22 08:56:41,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2019-10-22 08:56:41,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 263 transitions. [2019-10-22 08:56:41,419 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 263 transitions. Word has length 66 [2019-10-22 08:56:41,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:41,419 INFO L462 AbstractCegarLoop]: Abstraction has 212 states and 263 transitions. [2019-10-22 08:56:41,419 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:56:41,419 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 263 transitions. [2019-10-22 08:56:41,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-10-22 08:56:41,420 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:56:41,420 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:56:41,421 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:56:41,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:56:41,421 INFO L82 PathProgramCache]: Analyzing trace with hash -1484845765, now seen corresponding path program 1 times [2019-10-22 08:56:41,421 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:56:41,421 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432329011] [2019-10-22 08:56:41,422 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:41,422 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:56:41,422 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:56:41,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:56:41,475 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-22 08:56:41,476 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432329011] [2019-10-22 08:56:41,476 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:56:41,476 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 08:56:41,476 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474331664] [2019-10-22 08:56:41,477 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 08:56:41,477 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:56:41,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 08:56:41,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:56:41,477 INFO L87 Difference]: Start difference. First operand 212 states and 263 transitions. Second operand 6 states. [2019-10-22 08:56:41,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:56:41,681 INFO L93 Difference]: Finished difference Result 592 states and 739 transitions. [2019-10-22 08:56:41,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-22 08:56:41,682 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 67 [2019-10-22 08:56:41,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:56:41,682 INFO L225 Difference]: With dead ends: 592 [2019-10-22 08:56:41,682 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 08:56:41,683 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2019-10-22 08:56:41,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 08:56:41,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 08:56:41,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 08:56:41,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:56:41,684 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 67 [2019-10-22 08:56:41,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:56:41,686 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:56:41,686 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 08:56:41,686 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:56:41,687 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 08:56:41,691 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 08:56:41,868 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 96 [2019-10-22 08:56:41,994 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 101 [2019-10-22 08:56:42,175 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 100 [2019-10-22 08:56:42,430 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 93 [2019-10-22 08:56:42,536 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 84 [2019-10-22 08:56:42,897 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 25 [2019-10-22 08:56:43,266 WARN L191 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 29 [2019-10-22 08:56:43,474 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 27 [2019-10-22 08:56:43,974 WARN L191 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 37 [2019-10-22 08:56:44,182 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 28 [2019-10-22 08:56:44,449 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 30 [2019-10-22 08:56:44,948 WARN L191 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 36 [2019-10-22 08:56:45,276 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 26 [2019-10-22 08:56:45,561 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 28 [2019-10-22 08:56:45,715 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 30 [2019-10-22 08:56:45,717 INFO L443 ceAbstractionStarter]: For program point L697(lines 697 701) no Hoare annotation was computed. [2019-10-22 08:56:45,718 INFO L439 ceAbstractionStarter]: At program point L765(lines 760 768) the Hoare annotation is: (and (= 1 ULTIMATE.start_main_~tmp~1) (= 0 ~methaneLevelCritical~0) (= ~methaneLevelCritical~0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (not (= ~pumpRunning~0 0)) (= 0 ~methAndRunningLastTime~0)) [2019-10-22 08:56:45,718 INFO L439 ceAbstractionStarter]: At program point L765-1(lines 760 768) the Hoare annotation is: false [2019-10-22 08:56:45,718 INFO L439 ceAbstractionStarter]: At program point L765-2(lines 760 768) the Hoare annotation is: false [2019-10-22 08:56:45,718 INFO L439 ceAbstractionStarter]: At program point L765-3(lines 760 768) the Hoare annotation is: false [2019-10-22 08:56:45,718 INFO L439 ceAbstractionStarter]: At program point L765-4(lines 760 768) the Hoare annotation is: false [2019-10-22 08:56:45,718 INFO L439 ceAbstractionStarter]: At program point L765-5(lines 760 768) the Hoare annotation is: false [2019-10-22 08:56:45,718 INFO L443 ceAbstractionStarter]: For program point L899(lines 899 905) no Hoare annotation was computed. [2019-10-22 08:56:45,718 INFO L443 ceAbstractionStarter]: For program point L899-2(lines 899 905) no Hoare annotation was computed. [2019-10-22 08:56:45,718 INFO L443 ceAbstractionStarter]: For program point L899-4(lines 899 905) no Hoare annotation was computed. [2019-10-22 08:56:45,718 INFO L443 ceAbstractionStarter]: For program point L899-6(lines 899 905) no Hoare annotation was computed. [2019-10-22 08:56:45,718 INFO L443 ceAbstractionStarter]: For program point L899-8(lines 899 905) no Hoare annotation was computed. [2019-10-22 08:56:45,719 INFO L443 ceAbstractionStarter]: For program point L899-10(lines 899 905) no Hoare annotation was computed. [2019-10-22 08:56:45,719 INFO L443 ceAbstractionStarter]: For program point L899-12(lines 899 905) no Hoare annotation was computed. [2019-10-22 08:56:45,719 INFO L443 ceAbstractionStarter]: For program point L899-14(lines 899 905) no Hoare annotation was computed. [2019-10-22 08:56:45,719 INFO L443 ceAbstractionStarter]: For program point L899-16(lines 899 905) no Hoare annotation was computed. [2019-10-22 08:56:45,719 INFO L443 ceAbstractionStarter]: For program point L899-18(lines 899 905) no Hoare annotation was computed. [2019-10-22 08:56:45,719 INFO L443 ceAbstractionStarter]: For program point L899-20(lines 899 905) no Hoare annotation was computed. [2019-10-22 08:56:45,719 INFO L443 ceAbstractionStarter]: For program point L173(lines 173 180) no Hoare annotation was computed. [2019-10-22 08:56:45,719 INFO L443 ceAbstractionStarter]: For program point L899-22(lines 899 905) no Hoare annotation was computed. [2019-10-22 08:56:45,719 INFO L446 ceAbstractionStarter]: At program point L173-1(lines 173 180) the Hoare annotation is: true [2019-10-22 08:56:45,719 INFO L443 ceAbstractionStarter]: For program point L637(lines 637 648) no Hoare annotation was computed. [2019-10-22 08:56:45,719 INFO L443 ceAbstractionStarter]: For program point L837(lines 837 854) no Hoare annotation was computed. [2019-10-22 08:56:45,719 INFO L443 ceAbstractionStarter]: For program point L837-1(lines 837 854) no Hoare annotation was computed. [2019-10-22 08:56:45,719 INFO L443 ceAbstractionStarter]: For program point L837-2(lines 837 854) no Hoare annotation was computed. [2019-10-22 08:56:45,719 INFO L443 ceAbstractionStarter]: For program point L837-3(lines 837 854) no Hoare annotation was computed. [2019-10-22 08:56:45,719 INFO L443 ceAbstractionStarter]: For program point L837-4(lines 837 854) no Hoare annotation was computed. [2019-10-22 08:56:45,719 INFO L443 ceAbstractionStarter]: For program point L837-5(lines 837 854) no Hoare annotation was computed. [2019-10-22 08:56:45,720 INFO L443 ceAbstractionStarter]: For program point L841(lines 841 849) no Hoare annotation was computed. [2019-10-22 08:56:45,720 INFO L443 ceAbstractionStarter]: For program point L841-1(lines 841 849) no Hoare annotation was computed. [2019-10-22 08:56:45,723 INFO L443 ceAbstractionStarter]: For program point L841-2(lines 841 849) no Hoare annotation was computed. [2019-10-22 08:56:45,723 INFO L443 ceAbstractionStarter]: For program point L841-3(lines 841 849) no Hoare annotation was computed. [2019-10-22 08:56:45,723 INFO L443 ceAbstractionStarter]: For program point L841-4(lines 841 849) no Hoare annotation was computed. [2019-10-22 08:56:45,723 INFO L443 ceAbstractionStarter]: For program point L841-5(lines 841 849) no Hoare annotation was computed. [2019-10-22 08:56:45,723 INFO L443 ceAbstractionStarter]: For program point L643(lines 643 647) no Hoare annotation was computed. [2019-10-22 08:56:45,723 INFO L443 ceAbstractionStarter]: For program point L643-2(lines 779 785) no Hoare annotation was computed. [2019-10-22 08:56:45,723 INFO L439 ceAbstractionStarter]: At program point L49(lines 44 51) the Hoare annotation is: (and (= 1 ULTIMATE.start_main_~tmp~1) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-10-22 08:56:45,724 INFO L439 ceAbstractionStarter]: At program point L710(lines 705 713) the Hoare annotation is: (let ((.cse0 (= 1 ULTIMATE.start_main_~tmp~1)) (.cse1 (= ~methaneLevelCritical~0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse2 (= ULTIMATE.start_main_~tmp~1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse5 (not (= ~pumpRunning~0 0))) (.cse6 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (or (and .cse0 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~0 ~methaneLevelCritical~0) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6)) (= 1 ~methaneLevelCritical~0)))) [2019-10-22 08:56:45,724 INFO L439 ceAbstractionStarter]: At program point L710-1(lines 705 713) the Hoare annotation is: false [2019-10-22 08:56:45,724 INFO L439 ceAbstractionStarter]: At program point L710-2(lines 705 713) the Hoare annotation is: false [2019-10-22 08:56:45,724 INFO L439 ceAbstractionStarter]: At program point L710-3(lines 705 713) the Hoare annotation is: false [2019-10-22 08:56:45,724 INFO L439 ceAbstractionStarter]: At program point L710-4(lines 705 713) the Hoare annotation is: (let ((.cse0 (= 1 ULTIMATE.start_main_~tmp~1)) (.cse1 (= ULTIMATE.start_main_~tmp~1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse5 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2 .cse3 .cse4 .cse5 (= 1 ~methaneLevelCritical~0)) (and .cse0 (= ~methaneLevelCritical~0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= 0 ~methaneLevelCritical~0) .cse1 .cse2 .cse3 .cse4 .cse5))) [2019-10-22 08:56:45,724 INFO L439 ceAbstractionStarter]: At program point L710-5(lines 705 713) the Hoare annotation is: (let ((.cse2 (= ULTIMATE.start_main_~tmp~1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= ~methaneLevelCritical~0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse5 (and (= 1 ~systemActive~0) .cse2 .cse3 (= ~pumpRunning~0 0) .cse4))) (or (and (= 1 ULTIMATE.start_main_~tmp~1) .cse0 .cse1 .cse2 .cse3 .cse4 (= 0 ~methAndRunningLastTime~0)) (and .cse5 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= 1 ~methaneLevelCritical~0)) (and .cse0 (and .cse1 .cse5))))) [2019-10-22 08:56:45,724 INFO L439 ceAbstractionStarter]: At program point L710-6(lines 705 713) the Hoare annotation is: false [2019-10-22 08:56:45,724 INFO L439 ceAbstractionStarter]: At program point L710-7(lines 705 713) the Hoare annotation is: false [2019-10-22 08:56:45,724 INFO L439 ceAbstractionStarter]: At program point L710-8(lines 705 713) the Hoare annotation is: false [2019-10-22 08:56:45,725 INFO L439 ceAbstractionStarter]: At program point L710-9(lines 705 713) the Hoare annotation is: false [2019-10-22 08:56:45,725 INFO L439 ceAbstractionStarter]: At program point L710-10(lines 705 713) the Hoare annotation is: false [2019-10-22 08:56:45,725 INFO L439 ceAbstractionStarter]: At program point L710-11(lines 705 713) the Hoare annotation is: false [2019-10-22 08:56:45,725 INFO L439 ceAbstractionStarter]: At program point L710-12(lines 705 713) the Hoare annotation is: false [2019-10-22 08:56:45,725 INFO L439 ceAbstractionStarter]: At program point L710-13(lines 705 713) the Hoare annotation is: false [2019-10-22 08:56:45,725 INFO L439 ceAbstractionStarter]: At program point L710-14(lines 705 713) the Hoare annotation is: false [2019-10-22 08:56:45,725 INFO L439 ceAbstractionStarter]: At program point L710-15(lines 705 713) the Hoare annotation is: false [2019-10-22 08:56:45,725 INFO L439 ceAbstractionStarter]: At program point L710-16(lines 705 713) the Hoare annotation is: false [2019-10-22 08:56:45,725 INFO L446 ceAbstractionStarter]: At program point L182(lines 163 185) the Hoare annotation is: true [2019-10-22 08:56:45,725 INFO L439 ceAbstractionStarter]: At program point L710-17(lines 705 713) the Hoare annotation is: false [2019-10-22 08:56:45,726 INFO L439 ceAbstractionStarter]: At program point L779(lines 778 797) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse6 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~1)) (.cse2 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~0 ~methaneLevelCritical~0)) (.cse3 (= ULTIMATE.start_main_~tmp~1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse7 (= ~pumpRunning~0 0))) (or (and .cse0 (or (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse3 .cse4 (not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) .cse5 .cse6))) (and .cse0 (and (and (= 1 ~systemActive~0) .cse3 .cse4 .cse7 .cse5) .cse6)) (and (or (and .cse1 .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse2 (= ~methaneLevelCritical~0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3 .cse4 .cse5 (not .cse7))) (= 1 ~methaneLevelCritical~0)))) [2019-10-22 08:56:45,726 INFO L443 ceAbstractionStarter]: For program point L779-1(lines 779 785) no Hoare annotation was computed. [2019-10-22 08:56:45,726 INFO L439 ceAbstractionStarter]: At program point L779-2(lines 778 797) the Hoare annotation is: false [2019-10-22 08:56:45,726 INFO L439 ceAbstractionStarter]: At program point L779-3(lines 778 797) the Hoare annotation is: false [2019-10-22 08:56:45,726 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 557) no Hoare annotation was computed. [2019-10-22 08:56:45,726 INFO L439 ceAbstractionStarter]: At program point L584(lines 1 1010) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-10-22 08:56:45,726 INFO L443 ceAbstractionStarter]: For program point L982(lines 982 986) no Hoare annotation was computed. [2019-10-22 08:56:45,726 INFO L443 ceAbstractionStarter]: For program point L982-2(lines 982 986) no Hoare annotation was computed. [2019-10-22 08:56:45,726 INFO L443 ceAbstractionStarter]: For program point L982-3(lines 982 986) no Hoare annotation was computed. [2019-10-22 08:56:45,726 INFO L443 ceAbstractionStarter]: For program point L982-5(lines 982 986) no Hoare annotation was computed. [2019-10-22 08:56:45,727 INFO L443 ceAbstractionStarter]: For program point L982-6(lines 982 986) no Hoare annotation was computed. [2019-10-22 08:56:45,727 INFO L443 ceAbstractionStarter]: For program point L982-8(lines 982 986) no Hoare annotation was computed. [2019-10-22 08:56:45,727 INFO L443 ceAbstractionStarter]: For program point L982-9(lines 982 986) no Hoare annotation was computed. [2019-10-22 08:56:45,727 INFO L443 ceAbstractionStarter]: For program point L982-11(lines 982 986) no Hoare annotation was computed. [2019-10-22 08:56:45,727 INFO L443 ceAbstractionStarter]: For program point L982-12(lines 982 986) no Hoare annotation was computed. [2019-10-22 08:56:45,727 INFO L443 ceAbstractionStarter]: For program point L982-14(lines 982 986) no Hoare annotation was computed. [2019-10-22 08:56:45,727 INFO L443 ceAbstractionStarter]: For program point L982-15(lines 982 986) no Hoare annotation was computed. [2019-10-22 08:56:45,727 INFO L443 ceAbstractionStarter]: For program point L982-17(lines 982 986) no Hoare annotation was computed. [2019-10-22 08:56:45,727 INFO L443 ceAbstractionStarter]: For program point L982-18(lines 982 986) no Hoare annotation was computed. [2019-10-22 08:56:45,727 INFO L443 ceAbstractionStarter]: For program point L982-20(lines 982 986) no Hoare annotation was computed. [2019-10-22 08:56:45,727 INFO L443 ceAbstractionStarter]: For program point L982-21(lines 982 986) no Hoare annotation was computed. [2019-10-22 08:56:45,728 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 08:56:45,728 INFO L443 ceAbstractionStarter]: For program point L982-23(lines 982 986) no Hoare annotation was computed. [2019-10-22 08:56:45,729 INFO L443 ceAbstractionStarter]: For program point L982-24(lines 982 986) no Hoare annotation was computed. [2019-10-22 08:56:45,729 INFO L443 ceAbstractionStarter]: For program point L982-26(lines 982 986) no Hoare annotation was computed. [2019-10-22 08:56:45,730 INFO L443 ceAbstractionStarter]: For program point L982-27(lines 982 986) no Hoare annotation was computed. [2019-10-22 08:56:45,730 INFO L443 ceAbstractionStarter]: For program point L982-29(lines 982 986) no Hoare annotation was computed. [2019-10-22 08:56:45,730 INFO L443 ceAbstractionStarter]: For program point L982-30(lines 982 986) no Hoare annotation was computed. [2019-10-22 08:56:45,730 INFO L443 ceAbstractionStarter]: For program point L982-32(lines 982 986) no Hoare annotation was computed. [2019-10-22 08:56:45,730 INFO L443 ceAbstractionStarter]: For program point L982-33(lines 982 986) no Hoare annotation was computed. [2019-10-22 08:56:45,730 INFO L443 ceAbstractionStarter]: For program point L982-35(lines 982 986) no Hoare annotation was computed. [2019-10-22 08:56:45,730 INFO L439 ceAbstractionStarter]: At program point L653(lines 606 654) the Hoare annotation is: false [2019-10-22 08:56:45,730 INFO L439 ceAbstractionStarter]: At program point L786(lines 786 792) the Hoare annotation is: (let ((.cse2 (= ULTIMATE.start_main_~tmp~1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (and (= 1 ~systemActive~0) .cse2 .cse3 (= ~pumpRunning~0 0) .cse4))) (or (and .cse0 .cse1) (and (= 1 ULTIMATE.start_main_~tmp~1) (= ~methaneLevelCritical~0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse0 .cse2 .cse3 .cse4 (= 0 ~methAndRunningLastTime~0)) (and .cse1 (= 1 ~methaneLevelCritical~0))))) [2019-10-22 08:56:45,730 INFO L439 ceAbstractionStarter]: At program point L786-1(lines 786 792) the Hoare annotation is: false [2019-10-22 08:56:45,730 INFO L439 ceAbstractionStarter]: At program point L786-2(lines 786 792) the Hoare annotation is: false [2019-10-22 08:56:45,731 INFO L443 ceAbstractionStarter]: For program point L60(lines 60 77) no Hoare annotation was computed. [2019-10-22 08:56:45,731 INFO L439 ceAbstractionStarter]: At program point L60-1(lines 1 1010) the Hoare annotation is: (let ((.cse3 (= ULTIMATE.start_main_~tmp~1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse0 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~0 ~methaneLevelCritical~0)) (.cse2 (= ~methaneLevelCritical~0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse7 (and (= 1 ~systemActive~0) .cse3 .cse4 (= ~pumpRunning~0 0) .cse5)) (.cse6 (= 0 ~methAndRunningLastTime~0))) (or (and (= 1 ULTIMATE.start_main_~tmp~1) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (and .cse0 .cse2 .cse7 .cse6) (= 1 ~methaneLevelCritical~0)) (and .cse1 (= 1 ~waterLevel~0) .cse7 .cse6)))) [2019-10-22 08:56:45,731 INFO L443 ceAbstractionStarter]: For program point L60-2(lines 60 77) no Hoare annotation was computed. [2019-10-22 08:56:45,731 INFO L439 ceAbstractionStarter]: At program point L60-3(lines 1 1010) the Hoare annotation is: false [2019-10-22 08:56:45,731 INFO L443 ceAbstractionStarter]: For program point L60-4(lines 60 77) no Hoare annotation was computed. [2019-10-22 08:56:45,731 INFO L439 ceAbstractionStarter]: At program point L60-5(lines 1 1010) the Hoare annotation is: false [2019-10-22 08:56:45,731 INFO L439 ceAbstractionStarter]: At program point L988(lines 973 991) the Hoare annotation is: false [2019-10-22 08:56:45,731 INFO L439 ceAbstractionStarter]: At program point L988-1(lines 973 991) the Hoare annotation is: false [2019-10-22 08:56:45,731 INFO L439 ceAbstractionStarter]: At program point L988-2(lines 973 991) the Hoare annotation is: false [2019-10-22 08:56:45,731 INFO L439 ceAbstractionStarter]: At program point L988-3(lines 973 991) the Hoare annotation is: (let ((.cse4 (= ULTIMATE.start_main_~tmp~1 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse1 (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) (= 1 ~systemActive~0) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2) .cse4 .cse5 .cse6 .cse7)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 1 ULTIMATE.start_main_~tmp~1)) (.cse8 (= 0 ~methAndRunningLastTime~0)) (.cse2 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1) (and .cse1 .cse2) (and .cse3 .cse0 .cse4 .cse5 .cse6 .cse7 .cse8) (and (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) .cse2)))) [2019-10-22 08:56:45,732 INFO L439 ceAbstractionStarter]: At program point L988-4(lines 973 991) the Hoare annotation is: false [2019-10-22 08:56:45,732 INFO L439 ceAbstractionStarter]: At program point L988-5(lines 973 991) the Hoare annotation is: false [2019-10-22 08:56:45,732 INFO L439 ceAbstractionStarter]: At program point L988-6(lines 973 991) the Hoare annotation is: false [2019-10-22 08:56:45,732 INFO L439 ceAbstractionStarter]: At program point L988-7(lines 973 991) the Hoare annotation is: false [2019-10-22 08:56:45,732 INFO L439 ceAbstractionStarter]: At program point L988-8(lines 973 991) the Hoare annotation is: false [2019-10-22 08:56:45,732 INFO L439 ceAbstractionStarter]: At program point L988-9(lines 973 991) the Hoare annotation is: false [2019-10-22 08:56:45,732 INFO L439 ceAbstractionStarter]: At program point L988-10(lines 973 991) the Hoare annotation is: false [2019-10-22 08:56:45,732 INFO L439 ceAbstractionStarter]: At program point L988-11(lines 973 991) the Hoare annotation is: false [2019-10-22 08:56:45,732 INFO L439 ceAbstractionStarter]: At program point L592(lines 587 595) 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)) [2019-10-22 08:56:45,732 INFO L443 ceAbstractionStarter]: For program point L64(lines 64 74) no Hoare annotation was computed. [2019-10-22 08:56:45,732 INFO L443 ceAbstractionStarter]: For program point L64-2(lines 64 74) no Hoare annotation was computed. [2019-10-22 08:56:45,733 INFO L443 ceAbstractionStarter]: For program point L64-4(lines 64 74) no Hoare annotation was computed. [2019-10-22 08:56:45,733 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2019-10-22 08:56:45,733 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 08:56:45,733 INFO L443 ceAbstractionStarter]: For program point L65-2(lines 65 71) no Hoare annotation was computed. [2019-10-22 08:56:45,734 INFO L443 ceAbstractionStarter]: For program point L65-4(lines 65 71) no Hoare annotation was computed. [2019-10-22 08:56:45,734 INFO L439 ceAbstractionStarter]: At program point L924(lines 917 927) the Hoare annotation is: (let ((.cse0 (= 1 ULTIMATE.start_main_~tmp~1)) (.cse1 (= ~methaneLevelCritical~0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse2 (= ULTIMATE.start_main_~tmp~1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse5 (not (= ~pumpRunning~0 0))) (.cse6 (= 0 ~methAndRunningLastTime~0))) (or (and (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~0 ~methaneLevelCritical~0) .cse1 .cse2 .cse3 .cse4 .cse5)) (= 1 |ULTIMATE.start_isMethaneAlarm_#res|) (= 1 ~methaneLevelCritical~0)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6))) [2019-10-22 08:56:45,734 INFO L439 ceAbstractionStarter]: At program point L924-1(lines 917 927) the Hoare annotation is: false [2019-10-22 08:56:45,734 INFO L439 ceAbstractionStarter]: At program point L924-2(lines 917 927) the Hoare annotation is: false [2019-10-22 08:56:45,734 INFO L439 ceAbstractionStarter]: At program point L924-3(lines 917 927) the Hoare annotation is: false [2019-10-22 08:56:45,734 INFO L439 ceAbstractionStarter]: At program point L924-4(lines 917 927) the Hoare annotation is: (let ((.cse0 (= 1 ULTIMATE.start_main_~tmp~1)) (.cse1 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and (= 1 |ULTIMATE.start_isMethaneAlarm_#res|) (= 1 ~systemActive~0) .cse0 (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 .cse2 (= 1 ~methaneLevelCritical~0) .cse3 .cse4) (and .cse0 (= ~methaneLevelCritical~0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= 0 ~methaneLevelCritical~0) (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) .cse1 .cse2 .cse3 .cse4))) [2019-10-22 08:56:45,734 INFO L439 ceAbstractionStarter]: At program point L924-5(lines 917 927) the Hoare annotation is: false [2019-10-22 08:56:45,734 INFO L439 ceAbstractionStarter]: At program point L924-6(lines 917 927) the Hoare annotation is: false [2019-10-22 08:56:45,734 INFO L439 ceAbstractionStarter]: At program point L924-7(lines 917 927) the Hoare annotation is: false [2019-10-22 08:56:45,734 INFO L439 ceAbstractionStarter]: At program point L924-8(lines 917 927) the Hoare annotation is: false [2019-10-22 08:56:45,735 INFO L439 ceAbstractionStarter]: At program point L924-9(lines 917 927) the Hoare annotation is: false [2019-10-22 08:56:45,735 INFO L439 ceAbstractionStarter]: At program point L924-10(lines 917 927) the Hoare annotation is: false [2019-10-22 08:56:45,735 INFO L439 ceAbstractionStarter]: At program point L924-11(lines 917 927) the Hoare annotation is: false [2019-10-22 08:56:45,735 INFO L439 ceAbstractionStarter]: At program point L924-12(lines 917 927) the Hoare annotation is: false [2019-10-22 08:56:45,735 INFO L439 ceAbstractionStarter]: At program point L924-13(lines 917 927) the Hoare annotation is: false [2019-10-22 08:56:45,735 INFO L439 ceAbstractionStarter]: At program point L924-14(lines 917 927) the Hoare annotation is: false [2019-10-22 08:56:45,735 INFO L443 ceAbstractionStarter]: For program point L863(lines 863 880) no Hoare annotation was computed. [2019-10-22 08:56:45,735 INFO L443 ceAbstractionStarter]: For program point L863-1(lines 863 880) no Hoare annotation was computed. [2019-10-22 08:56:45,735 INFO L443 ceAbstractionStarter]: For program point L863-2(lines 863 880) no Hoare annotation was computed. [2019-10-22 08:56:45,735 INFO L439 ceAbstractionStarter]: At program point L933(lines 928 936) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~0 ~methaneLevelCritical~0) (= 1 ULTIMATE.start_main_~tmp~1) (= |ULTIMATE.start_isPumpRunning_#res| 0) (= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (= 1 ~methaneLevelCritical~0)) [2019-10-22 08:56:45,735 INFO L439 ceAbstractionStarter]: At program point L933-1(lines 928 936) the Hoare annotation is: false [2019-10-22 08:56:45,735 INFO L443 ceAbstractionStarter]: For program point L867(lines 867 875) no Hoare annotation was computed. [2019-10-22 08:56:45,736 INFO L439 ceAbstractionStarter]: At program point L933-2(lines 928 936) the Hoare annotation is: false [2019-10-22 08:56:45,736 INFO L443 ceAbstractionStarter]: For program point L867-1(lines 867 875) no Hoare annotation was computed. [2019-10-22 08:56:45,736 INFO L443 ceAbstractionStarter]: For program point L867-2(lines 867 875) no Hoare annotation was computed. [2019-10-22 08:56:45,736 INFO L443 ceAbstractionStarter]: For program point L1001(lines 1001 1005) no Hoare annotation was computed. [2019-10-22 08:56:45,736 INFO L443 ceAbstractionStarter]: For program point L1001-2(lines 1001 1005) no Hoare annotation was computed. [2019-10-22 08:56:45,736 INFO L443 ceAbstractionStarter]: For program point L1001-3(lines 1001 1005) no Hoare annotation was computed. [2019-10-22 08:56:45,736 INFO L443 ceAbstractionStarter]: For program point L1001-5(lines 1001 1005) no Hoare annotation was computed. [2019-10-22 08:56:45,736 INFO L443 ceAbstractionStarter]: For program point L1001-6(lines 1001 1005) no Hoare annotation was computed. [2019-10-22 08:56:45,736 INFO L443 ceAbstractionStarter]: For program point L1001-8(lines 1001 1005) no Hoare annotation was computed. [2019-10-22 08:56:45,736 INFO L443 ceAbstractionStarter]: For program point L1001-9(lines 1001 1005) no Hoare annotation was computed. [2019-10-22 08:56:45,736 INFO L443 ceAbstractionStarter]: For program point L1001-11(lines 1001 1005) no Hoare annotation was computed. [2019-10-22 08:56:45,736 INFO L443 ceAbstractionStarter]: For program point L1001-12(lines 1001 1005) no Hoare annotation was computed. [2019-10-22 08:56:45,736 INFO L443 ceAbstractionStarter]: For program point L1001-14(lines 1001 1005) no Hoare annotation was computed. [2019-10-22 08:56:45,737 INFO L443 ceAbstractionStarter]: For program point L1001-15(lines 1001 1005) no Hoare annotation was computed. [2019-10-22 08:56:45,737 INFO L443 ceAbstractionStarter]: For program point L1001-17(lines 1001 1005) no Hoare annotation was computed. [2019-10-22 08:56:45,737 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 557) no Hoare annotation was computed. [2019-10-22 08:56:45,737 INFO L443 ceAbstractionStarter]: For program point L673(lines 673 677) no Hoare annotation was computed. [2019-10-22 08:56:45,737 INFO L443 ceAbstractionStarter]: For program point L673-3(lines 673 677) no Hoare annotation was computed. [2019-10-22 08:56:45,737 INFO L443 ceAbstractionStarter]: For program point L673-6(lines 673 677) no Hoare annotation was computed. [2019-10-22 08:56:45,737 INFO L439 ceAbstractionStarter]: At program point L145(lines 141 147) the Hoare annotation is: (and (= 1 ULTIMATE.start_main_~tmp~1) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-10-22 08:56:45,737 INFO L443 ceAbstractionStarter]: For program point L608(lines 607 652) no Hoare annotation was computed. [2019-10-22 08:56:45,737 INFO L443 ceAbstractionStarter]: For program point L609(lines 609 613) no Hoare annotation was computed. [2019-10-22 08:56:45,737 INFO L439 ceAbstractionStarter]: At program point L1007(lines 992 1010) the Hoare annotation is: (and (= 1 ULTIMATE.start_main_~tmp~1) (= 0 ~methaneLevelCritical~0) (= ~methaneLevelCritical~0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ULTIMATE.start_main_~tmp~1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (not (= ~pumpRunning~0 0)) (= 0 ~methAndRunningLastTime~0)) [2019-10-22 08:56:45,738 INFO L439 ceAbstractionStarter]: At program point L1007-1(lines 992 1010) the Hoare annotation is: false [2019-10-22 08:56:45,738 INFO L439 ceAbstractionStarter]: At program point L1007-2(lines 992 1010) the Hoare annotation is: false [2019-10-22 08:56:45,738 INFO L439 ceAbstractionStarter]: At program point L1007-3(lines 992 1010) the Hoare annotation is: false [2019-10-22 08:56:45,738 INFO L439 ceAbstractionStarter]: At program point L1007-4(lines 992 1010) the Hoare annotation is: false [2019-10-22 08:56:45,738 INFO L439 ceAbstractionStarter]: At program point L1007-5(lines 992 1010) the Hoare annotation is: false [2019-10-22 08:56:45,738 INFO L443 ceAbstractionStarter]: For program point L811(lines 811 828) no Hoare annotation was computed. [2019-10-22 08:56:45,738 INFO L443 ceAbstractionStarter]: For program point L811-1(lines 811 828) no Hoare annotation was computed. [2019-10-22 08:56:45,738 INFO L443 ceAbstractionStarter]: For program point L811-2(lines 811 828) no Hoare annotation was computed. [2019-10-22 08:56:45,738 INFO L443 ceAbstractionStarter]: For program point L811-3(lines 811 828) no Hoare annotation was computed. [2019-10-22 08:56:45,738 INFO L443 ceAbstractionStarter]: For program point L811-4(lines 811 828) no Hoare annotation was computed. [2019-10-22 08:56:45,738 INFO L443 ceAbstractionStarter]: For program point L811-5(lines 811 828) no Hoare annotation was computed. [2019-10-22 08:56:45,738 INFO L443 ceAbstractionStarter]: For program point L811-6(lines 811 828) no Hoare annotation was computed. [2019-10-22 08:56:45,739 INFO L443 ceAbstractionStarter]: For program point L811-7(lines 811 828) no Hoare annotation was computed. [2019-10-22 08:56:45,739 INFO L443 ceAbstractionStarter]: For program point L811-8(lines 811 828) no Hoare annotation was computed. [2019-10-22 08:56:45,739 INFO L443 ceAbstractionStarter]: For program point L811-9(lines 811 828) no Hoare annotation was computed. [2019-10-22 08:56:45,739 INFO L443 ceAbstractionStarter]: For program point L811-10(lines 811 828) no Hoare annotation was computed. [2019-10-22 08:56:45,739 INFO L443 ceAbstractionStarter]: For program point L811-11(lines 811 828) no Hoare annotation was computed. [2019-10-22 08:56:45,739 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 08:56:45,739 INFO L443 ceAbstractionStarter]: For program point L815(lines 815 823) no Hoare annotation was computed. [2019-10-22 08:56:45,739 INFO L443 ceAbstractionStarter]: For program point L815-1(lines 815 823) no Hoare annotation was computed. [2019-10-22 08:56:45,739 INFO L443 ceAbstractionStarter]: For program point L815-2(lines 815 823) no Hoare annotation was computed. [2019-10-22 08:56:45,739 INFO L443 ceAbstractionStarter]: For program point L815-3(lines 815 823) no Hoare annotation was computed. [2019-10-22 08:56:45,739 INFO L443 ceAbstractionStarter]: For program point L815-4(lines 815 823) no Hoare annotation was computed. [2019-10-22 08:56:45,739 INFO L443 ceAbstractionStarter]: For program point L815-5(lines 815 823) no Hoare annotation was computed. [2019-10-22 08:56:45,739 INFO L443 ceAbstractionStarter]: For program point L617(lines 617 623) no Hoare annotation was computed. [2019-10-22 08:56:45,740 INFO L443 ceAbstractionStarter]: For program point L815-6(lines 815 823) no Hoare annotation was computed. [2019-10-22 08:56:45,742 INFO L439 ceAbstractionStarter]: At program point L617-1(lines 617 623) the Hoare annotation is: (let ((.cse3 (= ULTIMATE.start_main_~tmp~1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse0 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~0 ~methaneLevelCritical~0)) (.cse2 (= ~methaneLevelCritical~0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse7 (and (= 1 ~systemActive~0) .cse3 .cse4 (= ~pumpRunning~0 0) .cse5)) (.cse6 (= 0 ~methAndRunningLastTime~0))) (or (and (= 1 ULTIMATE.start_main_~tmp~1) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (and .cse0 .cse2 .cse7 .cse6) (= 1 ~methaneLevelCritical~0)) (and .cse1 .cse7 .cse6)))) [2019-10-22 08:56:45,742 INFO L443 ceAbstractionStarter]: For program point L815-7(lines 815 823) no Hoare annotation was computed. [2019-10-22 08:56:45,742 INFO L443 ceAbstractionStarter]: For program point L815-8(lines 815 823) no Hoare annotation was computed. [2019-10-22 08:56:45,742 INFO L443 ceAbstractionStarter]: For program point L815-9(lines 815 823) no Hoare annotation was computed. [2019-10-22 08:56:45,743 INFO L443 ceAbstractionStarter]: For program point L815-10(lines 815 823) no Hoare annotation was computed. [2019-10-22 08:56:45,743 INFO L443 ceAbstractionStarter]: For program point L815-11(lines 815 823) no Hoare annotation was computed. [2019-10-22 08:56:45,743 INFO L443 ceAbstractionStarter]: For program point L750(lines 750 756) no Hoare annotation was computed. [2019-10-22 08:56:45,743 INFO L443 ceAbstractionStarter]: For program point L750-1(lines 750 756) no Hoare annotation was computed. [2019-10-22 08:56:45,743 INFO L443 ceAbstractionStarter]: For program point L750-2(lines 750 756) no Hoare annotation was computed. [2019-10-22 08:56:45,743 INFO L443 ceAbstractionStarter]: For program point L750-3(lines 750 756) no Hoare annotation was computed. [2019-10-22 08:56:45,743 INFO L443 ceAbstractionStarter]: For program point L750-4(lines 750 756) no Hoare annotation was computed. [2019-10-22 08:56:45,744 INFO L443 ceAbstractionStarter]: For program point L750-5(lines 750 756) no Hoare annotation was computed. [2019-10-22 08:56:45,744 INFO L443 ceAbstractionStarter]: For program point L750-6(lines 750 756) no Hoare annotation was computed. [2019-10-22 08:56:45,744 INFO L443 ceAbstractionStarter]: For program point L750-7(lines 750 756) no Hoare annotation was computed. [2019-10-22 08:56:45,744 INFO L443 ceAbstractionStarter]: For program point L750-8(lines 750 756) no Hoare annotation was computed. [2019-10-22 08:56:45,744 INFO L443 ceAbstractionStarter]: For program point L750-9(lines 750 756) no Hoare annotation was computed. [2019-10-22 08:56:45,744 INFO L443 ceAbstractionStarter]: For program point L750-10(lines 750 756) no Hoare annotation was computed. [2019-10-22 08:56:45,744 INFO L443 ceAbstractionStarter]: For program point L750-11(lines 750 756) no Hoare annotation was computed. [2019-10-22 08:56:45,745 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 557) no Hoare annotation was computed. [2019-10-22 08:56:45,745 INFO L443 ceAbstractionStarter]: For program point L685(lines 685 689) no Hoare annotation was computed. [2019-10-22 08:56:45,745 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 08:56:45,745 INFO L439 ceAbstractionStarter]: At program point L94-2(lines 94 108) the Hoare annotation is: false [2019-10-22 08:56:45,745 INFO L439 ceAbstractionStarter]: At program point L755(lines 746 759) the Hoare annotation is: false [2019-10-22 08:56:45,745 INFO L439 ceAbstractionStarter]: At program point L755-1(lines 746 759) the Hoare annotation is: false [2019-10-22 08:56:45,745 INFO L439 ceAbstractionStarter]: At program point L755-2(lines 746 759) the Hoare annotation is: false [2019-10-22 08:56:45,745 INFO L439 ceAbstractionStarter]: At program point L755-3(lines 746 759) the Hoare annotation is: (let ((.cse3 (= 1 ULTIMATE.start_main_~tmp~1)) (.cse4 (= ULTIMATE.start_main_~tmp~1 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse0 (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse3 .cse4 .cse5 .cse6 .cse7)) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse8 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1) (and .cse2 .cse0) (and .cse3 .cse2 .cse4 .cse5 .cse6 .cse7 .cse8) (and (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) .cse1)))) [2019-10-22 08:56:45,745 INFO L439 ceAbstractionStarter]: At program point L755-4(lines 746 759) the Hoare annotation is: false [2019-10-22 08:56:45,745 INFO L439 ceAbstractionStarter]: At program point L755-5(lines 746 759) the Hoare annotation is: false [2019-10-22 08:56:45,746 INFO L443 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2019-10-22 08:56:45,746 INFO L439 ceAbstractionStarter]: At program point L755-6(lines 746 759) the Hoare annotation is: false [2019-10-22 08:56:45,746 INFO L439 ceAbstractionStarter]: At program point L755-7(lines 746 759) the Hoare annotation is: false [2019-10-22 08:56:45,746 INFO L443 ceAbstractionStarter]: For program point L557-1(line 557) no Hoare annotation was computed. [2019-10-22 08:56:45,746 INFO L439 ceAbstractionStarter]: At program point L755-8(lines 746 759) the Hoare annotation is: false [2019-10-22 08:56:45,746 INFO L443 ceAbstractionStarter]: For program point L557-2(line 557) no Hoare annotation was computed. [2019-10-22 08:56:45,746 INFO L439 ceAbstractionStarter]: At program point L755-9(lines 746 759) the Hoare annotation is: false [2019-10-22 08:56:45,746 INFO L439 ceAbstractionStarter]: At program point L755-10(lines 746 759) the Hoare annotation is: false [2019-10-22 08:56:45,746 INFO L439 ceAbstractionStarter]: At program point L755-11(lines 746 759) the Hoare annotation is: false [2019-10-22 08:56:45,746 INFO L443 ceAbstractionStarter]: For program point L95(line 95) no Hoare annotation was computed. [2019-10-22 08:56:45,746 INFO L443 ceAbstractionStarter]: For program point L98(lines 98 102) no Hoare annotation was computed. [2019-10-22 08:56:45,747 INFO L443 ceAbstractionStarter]: For program point L98-1(lines 779 785) no Hoare annotation was computed. [2019-10-22 08:56:45,747 INFO L443 ceAbstractionStarter]: For program point L627(lines 627 633) no Hoare annotation was computed. [2019-10-22 08:56:45,747 INFO L439 ceAbstractionStarter]: At program point L627-1(lines 627 633) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse6 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= 1 ULTIMATE.start_main_~tmp~1)) (.cse2 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~0 ~methaneLevelCritical~0)) (.cse3 (= ULTIMATE.start_main_~tmp~1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse5 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse7 (= ~pumpRunning~0 0))) (or (and .cse0 (or (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse3 .cse4 (not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) .cse5 .cse6))) (and .cse0 (and (= 1 ~systemActive~0) .cse3 .cse4 .cse7 .cse5) .cse6) (and (or (and .cse1 .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse2 (= ~methaneLevelCritical~0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3 .cse4 .cse5 (not .cse7))) (= 1 ~methaneLevelCritical~0)))) [2019-10-22 08:56:45,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:56:45 BoogieIcfgContainer [2019-10-22 08:56:45,814 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:56:45,815 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:56:45,815 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:56:45,815 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:56:45,815 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:56:38" (3/4) ... [2019-10-22 08:56:45,819 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 08:56:45,853 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 08:56:45,854 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-10-22 08:56:45,855 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-10-22 08:56:45,857 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 08:56:45,858 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 08:56:45,859 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 08:56:45,892 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime [2019-10-22 08:56:45,895 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == tmp && 0 == methaneLevelCritical) && 1 == waterLevel) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime [2019-10-22 08:56:45,895 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == tmp && 0 == methaneLevelCritical) && 1 == waterLevel) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime [2019-10-22 08:56:45,895 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 == tmp && tmp == methaneLevelCritical) && 0 == methaneLevelCritical) && methaneLevelCritical == \result) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((((tmp == methaneLevelCritical && methaneLevelCritical == \result) && (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 1 == methaneLevelCritical)) || (((0 == methaneLevelCritical && 1 == waterLevel) && (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-10-22 08:56:45,895 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 == tmp && tmp == methaneLevelCritical) && 0 == methaneLevelCritical) && methaneLevelCritical == \result) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((((tmp == methaneLevelCritical && methaneLevelCritical == \result) && (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 1 == methaneLevelCritical)) || ((0 == methaneLevelCritical && (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-10-22 08:56:45,896 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 == methaneLevelCritical && ((((((1 == tmp && tmp == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((((1 == tmp && tmp == systemActive) && \result == systemActive) && !(0 == \result)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime))) || ((0 == methaneLevelCritical && (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((((1 == tmp && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((((((1 == tmp && tmp == methaneLevelCritical) && methaneLevelCritical == \result) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0))) && 1 == methaneLevelCritical) [2019-10-22 08:56:45,896 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 == methaneLevelCritical && ((((((1 == tmp && tmp == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((((1 == tmp && tmp == systemActive) && \result == systemActive) && !(0 == \result)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime))) || (0 == methaneLevelCritical && ((((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((((1 == tmp && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((((((1 == tmp && tmp == methaneLevelCritical) && methaneLevelCritical == \result) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0))) && 1 == methaneLevelCritical) [2019-10-22 08:56:45,896 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0 == methaneLevelCritical && (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((1 == tmp && methaneLevelCritical == \result) && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-10-22 08:56:45,897 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == tmp && 0 == methaneLevelCritical) && methaneLevelCritical == \result) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((((((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == \result) && 1 == methaneLevelCritical)) || (0 == methaneLevelCritical && methaneLevelCritical == \result && (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) [2019-10-22 08:56:45,897 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == tmp && 0 == methaneLevelCritical) && methaneLevelCritical == \result) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && 0 == methAndRunningLastTime) || ((((((((1 == tmp && tmp == methaneLevelCritical) && methaneLevelCritical == \result) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) || ((((((1 == tmp && methaneLevelCritical == \result) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && 0 == methAndRunningLastTime)) && 1 == methaneLevelCritical) [2019-10-22 08:56:45,898 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((1 == tmp && methaneLevelCritical == \result) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && 0 == methAndRunningLastTime) || ((((((1 == tmp && tmp == methaneLevelCritical) && methaneLevelCritical == \result) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0))) && 1 == \result) && 1 == methaneLevelCritical) || (((((((1 == tmp && 0 == methaneLevelCritical) && methaneLevelCritical == \result) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && 0 == methAndRunningLastTime) [2019-10-22 08:56:45,899 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && tmp == methaneLevelCritical) && 1 == tmp) && \result == 0) && 1 == \result) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical [2019-10-22 08:56:45,899 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\result == 1 && 1 == tmp) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (0 == methaneLevelCritical && ((((\result == 1 && 1 == tmp) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((((1 == tmp && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((((1 == tmp && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 1 == methaneLevelCritical) [2019-10-22 08:56:45,902 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((0 == methaneLevelCritical && (((((0 == \result && 1 == systemActive) && 0 == tmp___0) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((0 == \result && 1 == systemActive) && 0 == tmp___0) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((((1 == tmp && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((((1 == tmp && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 1 == methaneLevelCritical) [2019-10-22 08:56:45,904 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == tmp && 0 == methaneLevelCritical) && methaneLevelCritical == \result) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && 0 == methAndRunningLastTime [2019-10-22 08:56:45,905 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == tmp && 0 == methaneLevelCritical) && methaneLevelCritical == \result) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && 0 == methAndRunningLastTime [2019-10-22 08:56:45,905 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == tmp && tmp == systemActive) && 1 == \result) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 1 == methaneLevelCritical) || (((((((1 == tmp && methaneLevelCritical == \result) && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-10-22 08:56:45,905 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 == \result && 1 == systemActive) && 1 == tmp) && 1 == \result) && \result == systemActive) && pumpRunning == 0) && 1 == methaneLevelCritical) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((((((1 == tmp && methaneLevelCritical == \result) && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-10-22 08:56:46,032 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_23014c9b-303e-48fa-bf1b-3a7c9d609d7e/bin/uautomizer/witness.graphml [2019-10-22 08:56:46,032 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:56:46,033 INFO L168 Benchmark]: Toolchain (without parser) took 8936.46 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 290.5 MB). Free memory was 940.5 MB in the beginning and 1.1 GB in the end (delta: -118.0 MB). Peak memory consumption was 172.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:46,033 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:56:46,033 INFO L168 Benchmark]: CACSL2BoogieTranslator took 532.87 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 940.5 MB in the beginning and 1.1 GB in the end (delta: -143.1 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:46,034 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.57 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:46,034 INFO L168 Benchmark]: Boogie Preprocessor took 54.64 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. [2019-10-22 08:56:46,034 INFO L168 Benchmark]: RCFGBuilder took 1071.13 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 979.5 MB in the end (delta: 97.2 MB). Peak memory consumption was 97.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:46,034 INFO L168 Benchmark]: TraceAbstraction took 6971.58 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 182.5 MB). Free memory was 979.5 MB in the beginning and 1.1 GB in the end (delta: -111.0 MB). Peak memory consumption was 373.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:46,035 INFO L168 Benchmark]: Witness Printer took 217.26 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:56:46,036 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 532.87 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 940.5 MB in the beginning and 1.1 GB in the end (delta: -143.1 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 85.57 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 54.64 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 1071.13 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 979.5 MB in the end (delta: 97.2 MB). Peak memory consumption was 97.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6971.58 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 182.5 MB). Free memory was 979.5 MB in the beginning and 1.1 GB in the end (delta: -111.0 MB). Peak memory consumption was 373.0 MB. Max. memory is 11.5 GB. * Witness Printer took 217.26 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 557]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 557]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 557]: 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: 705]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 973]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 973]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 786]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || ((((((1 == tmp && methaneLevelCritical == \result) && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 973]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 786]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 973]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 786]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 973]: Loop Invariant Derived loop invariant: (((0 == methaneLevelCritical && (((((0 == \result && 1 == systemActive) && 0 == tmp___0) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) || (((((((0 == \result && 1 == systemActive) && 0 == tmp___0) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((((((1 == tmp && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((((1 == tmp && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 1 == methaneLevelCritical) - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 973]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: (((((((1 == tmp && tmp == systemActive) && 1 == \result) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 1 == methaneLevelCritical) || (((((((1 == tmp && methaneLevelCritical == \result) && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 973]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: (((((((1 == tmp && 0 == methaneLevelCritical) && methaneLevelCritical == \result) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((((((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == \result) && 1 == methaneLevelCritical)) || (0 == methaneLevelCritical && methaneLevelCritical == \result && (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 973]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 778]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && ((((((1 == tmp && tmp == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((((1 == tmp && tmp == systemActive) && \result == systemActive) && !(0 == \result)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime))) || (0 == methaneLevelCritical && ((((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((((1 == tmp && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((((((1 == tmp && tmp == methaneLevelCritical) && methaneLevelCritical == \result) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0))) && 1 == methaneLevelCritical) - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 973]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: ((((((1 == tmp && 0 == methaneLevelCritical) && methaneLevelCritical == \result) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && 0 == methAndRunningLastTime - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 973]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: (((((((1 == tmp && 0 == methaneLevelCritical) && methaneLevelCritical == \result) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && 0 == methAndRunningLastTime) || ((((((((1 == tmp && tmp == methaneLevelCritical) && methaneLevelCritical == \result) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) || ((((((1 == tmp && methaneLevelCritical == \result) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && 0 == methAndRunningLastTime)) && 1 == methaneLevelCritical) - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 973]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: (((((((\result == 1 && tmp == methaneLevelCritical) && 1 == tmp) && \result == 0) && 1 == \result) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 973]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((1 == tmp && tmp == methaneLevelCritical) && 0 == methaneLevelCritical) && methaneLevelCritical == \result) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((((tmp == methaneLevelCritical && methaneLevelCritical == \result) && (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 1 == methaneLevelCritical)) || (((0 == methaneLevelCritical && 1 == waterLevel) && (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: (((((1 == tmp && 0 == methaneLevelCritical) && 1 == waterLevel) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 627]: Loop Invariant Derived loop invariant: ((0 == methaneLevelCritical && ((((((1 == tmp && tmp == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((((1 == tmp && tmp == systemActive) && \result == systemActive) && !(0 == \result)) && 0 == splverifierCounter) && 0 == methAndRunningLastTime))) || ((0 == methaneLevelCritical && (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((((1 == tmp && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((((((1 == tmp && tmp == methaneLevelCritical) && methaneLevelCritical == \result) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0))) && 1 == methaneLevelCritical) - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: ((((((((\result == 1 && 1 == tmp) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (0 == methaneLevelCritical && ((((\result == 1 && 1 == tmp) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((((1 == tmp && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((((1 == tmp && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 1 == methaneLevelCritical) - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: ((((((1 == tmp && 0 == methaneLevelCritical) && methaneLevelCritical == \result) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && 0 == methAndRunningLastTime - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: ((((((((1 == \result && 1 == systemActive) && 1 == tmp) && 1 == \result) && \result == systemActive) && pumpRunning == 0) && 1 == methaneLevelCritical) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((((((1 == tmp && methaneLevelCritical == \result) && 0 == methaneLevelCritical) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: (((((1 == tmp && 0 == methaneLevelCritical) && 1 == waterLevel) && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 917]: 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: 617]: Loop Invariant Derived loop invariant: ((((((((1 == tmp && tmp == methaneLevelCritical) && 0 == methaneLevelCritical) && methaneLevelCritical == \result) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((((tmp == methaneLevelCritical && methaneLevelCritical == \result) && (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 1 == methaneLevelCritical)) || ((0 == methaneLevelCritical && (((1 == systemActive && tmp == systemActive) && \result == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: (((((((((1 == tmp && methaneLevelCritical == \result) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && 0 == methAndRunningLastTime) || ((((((1 == tmp && tmp == methaneLevelCritical) && methaneLevelCritical == \result) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0))) && 1 == \result) && 1 == methaneLevelCritical) || (((((((1 == tmp && 0 == methaneLevelCritical) && methaneLevelCritical == \result) && tmp == systemActive) && \result == systemActive) && 0 == splverifierCounter) && !(pumpRunning == 0)) && 0 == methAndRunningLastTime) - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 229 locations, 3 error locations. Result: SAFE, OverallTime: 6.8s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.0s, HoareTripleCheckerStatistics: 1878 SDtfs, 2121 SDslu, 2742 SDs, 0 SdLazy, 503 SolverSat, 80 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 111 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=229occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 632 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 91 LocationsWithAnnotation, 91 PreInvPairs, 276 NumberOfFragments, 1204 HoareAnnotationTreeSize, 91 FomulaSimplifications, 245215 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 91 FomulaSimplificationsInter, 50474 FormulaSimplificationTreeSizeReductionInter, 3.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 529 NumberOfCodeBlocks, 529 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 516 ConstructedInterpolants, 0 QuantifiedInterpolants, 46908 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 80/80 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...