./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_148049ce-c9f8-46c5-a6e1-9bd903cfc255/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_148049ce-c9f8-46c5-a6e1-9bd903cfc255/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_148049ce-c9f8-46c5-a6e1-9bd903cfc255/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_148049ce-c9f8-46c5-a6e1-9bd903cfc255/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_148049ce-c9f8-46c5-a6e1-9bd903cfc255/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_148049ce-c9f8-46c5-a6e1-9bd903cfc255/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 9c111f83061d8c18367444893b685a787d8ca976 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 17:42:56,236 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:42:56,237 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:42:56,245 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:42:56,245 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:42:56,246 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:42:56,247 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:42:56,248 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:42:56,249 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:42:56,250 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:42:56,250 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:42:56,251 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:42:56,251 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:42:56,252 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:42:56,253 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:42:56,253 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:42:56,254 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:42:56,255 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:42:56,256 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:42:56,257 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:42:56,258 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:42:56,259 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:42:56,260 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:42:56,260 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:42:56,262 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:42:56,262 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:42:56,262 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:42:56,263 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:42:56,263 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:42:56,263 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:42:56,264 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:42:56,264 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:42:56,264 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:42:56,265 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:42:56,265 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:42:56,266 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:42:56,266 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:42:56,266 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:42:56,266 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:42:56,267 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:42:56,267 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:42:56,267 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_148049ce-c9f8-46c5-a6e1-9bd903cfc255/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 17:42:56,277 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:42:56,277 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:42:56,277 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:42:56,277 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:42:56,278 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:42:56,278 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:42:56,278 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 17:42:56,278 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 17:42:56,278 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 17:42:56,278 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:42:56,278 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 17:42:56,278 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 17:42:56,278 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 17:42:56,279 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 17:42:56,279 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:42:56,279 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:42:56,279 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 17:42:56,279 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:42:56,279 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:42:56,279 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 17:42:56,279 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 17:42:56,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 17:42:56,280 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:42:56,280 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 17:42:56,280 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 17:42:56,280 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 17:42:56,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 17:42:56,280 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 17:42:56,280 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:42:56,280 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_148049ce-c9f8-46c5-a6e1-9bd903cfc255/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 -> 9c111f83061d8c18367444893b685a787d8ca976 [2019-12-07 17:42:56,379 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:42:56,387 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:42:56,390 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:42:56,391 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:42:56,391 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:42:56,392 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_148049ce-c9f8-46c5-a6e1-9bd903cfc255/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c [2019-12-07 17:42:56,431 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_148049ce-c9f8-46c5-a6e1-9bd903cfc255/bin/uautomizer/data/ee16fc4d3/592308ab69ef4b76829667a1c481e1f6/FLAG2821f52b2 [2019-12-07 17:42:56,841 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:42:56,841 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_148049ce-c9f8-46c5-a6e1-9bd903cfc255/sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c [2019-12-07 17:42:56,849 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_148049ce-c9f8-46c5-a6e1-9bd903cfc255/bin/uautomizer/data/ee16fc4d3/592308ab69ef4b76829667a1c481e1f6/FLAG2821f52b2 [2019-12-07 17:42:57,209 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_148049ce-c9f8-46c5-a6e1-9bd903cfc255/bin/uautomizer/data/ee16fc4d3/592308ab69ef4b76829667a1c481e1f6 [2019-12-07 17:42:57,211 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:42:57,212 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:42:57,213 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:42:57,213 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:42:57,215 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:42:57,216 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:42:57" (1/1) ... [2019-12-07 17:42:57,218 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@155c7db3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:42:57, skipping insertion in model container [2019-12-07 17:42:57,218 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:42:57" (1/1) ... [2019-12-07 17:42:57,223 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:42:57,258 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:42:57,468 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:42:57,475 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:42:57,524 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:42:57,547 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:42:57,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:42:57 WrapperNode [2019-12-07 17:42:57,547 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:42:57,548 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:42:57,548 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:42:57,548 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:42:57,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:42:57" (1/1) ... [2019-12-07 17:42:57,566 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:42:57" (1/1) ... [2019-12-07 17:42:57,592 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:42:57,593 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:42:57,593 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:42:57,593 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:42:57,599 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:42:57" (1/1) ... [2019-12-07 17:42:57,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:42:57" (1/1) ... [2019-12-07 17:42:57,603 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:42:57" (1/1) ... [2019-12-07 17:42:57,603 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:42:57" (1/1) ... [2019-12-07 17:42:57,611 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:42:57" (1/1) ... [2019-12-07 17:42:57,617 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:42:57" (1/1) ... [2019-12-07 17:42:57,620 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:42:57" (1/1) ... [2019-12-07 17:42:57,623 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:42:57,623 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:42:57,623 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:42:57,624 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:42:57,624 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:42:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_148049ce-c9f8-46c5-a6e1-9bd903cfc255/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 17:42:57,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 17:42:57,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 17:42:57,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:42:57,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:42:58,096 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:42:58,096 INFO L287 CfgBuilder]: Removed 164 assume(true) statements. [2019-12-07 17:42:58,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:42:58 BoogieIcfgContainer [2019-12-07 17:42:58,097 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:42:58,098 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 17:42:58,098 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 17:42:58,101 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 17:42:58,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 05:42:57" (1/3) ... [2019-12-07 17:42:58,102 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ad6289f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:42:58, skipping insertion in model container [2019-12-07 17:42:58,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:42:57" (2/3) ... [2019-12-07 17:42:58,102 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ad6289f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:42:58, skipping insertion in model container [2019-12-07 17:42:58,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:42:58" (3/3) ... [2019-12-07 17:42:58,104 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product40.cil.c [2019-12-07 17:42:58,113 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 17:42:58,119 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-12-07 17:42:58,130 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 17:42:58,152 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 17:42:58,152 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 17:42:58,152 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 17:42:58,152 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:42:58,152 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:42:58,152 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 17:42:58,152 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:42:58,153 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 17:42:58,166 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2019-12-07 17:42:58,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 17:42:58,172 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:42:58,172 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:42:58,172 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:42:58,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:42:58,176 INFO L82 PathProgramCache]: Analyzing trace with hash 114928579, now seen corresponding path program 1 times [2019-12-07 17:42:58,182 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:42:58,182 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489022319] [2019-12-07 17:42:58,182 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:42:58,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:42:58,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:42:58,353 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489022319] [2019-12-07 17:42:58,353 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:42:58,353 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 17:42:58,354 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322354417] [2019-12-07 17:42:58,357 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 17:42:58,357 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:42:58,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 17:42:58,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 17:42:58,367 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2019-12-07 17:42:58,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:42:58,388 INFO L93 Difference]: Finished difference Result 227 states and 348 transitions. [2019-12-07 17:42:58,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 17:42:58,389 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-12-07 17:42:58,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:42:58,398 INFO L225 Difference]: With dead ends: 227 [2019-12-07 17:42:58,398 INFO L226 Difference]: Without dead ends: 113 [2019-12-07 17:42:58,400 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 17:42:58,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2019-12-07 17:42:58,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2019-12-07 17:42:58,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-12-07 17:42:58,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 166 transitions. [2019-12-07 17:42:58,436 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 166 transitions. Word has length 18 [2019-12-07 17:42:58,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:42:58,436 INFO L462 AbstractCegarLoop]: Abstraction has 113 states and 166 transitions. [2019-12-07 17:42:58,436 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 17:42:58,436 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 166 transitions. [2019-12-07 17:42:58,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-07 17:42:58,437 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:42:58,437 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:42:58,437 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:42:58,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:42:58,438 INFO L82 PathProgramCache]: Analyzing trace with hash -483581501, now seen corresponding path program 1 times [2019-12-07 17:42:58,438 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:42:58,438 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255176704] [2019-12-07 17:42:58,438 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:42:58,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:42:58,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:42:58,509 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255176704] [2019-12-07 17:42:58,509 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:42:58,509 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 17:42:58,510 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670097661] [2019-12-07 17:42:58,511 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:42:58,511 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:42:58,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:42:58,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:42:58,512 INFO L87 Difference]: Start difference. First operand 113 states and 166 transitions. Second operand 3 states. [2019-12-07 17:42:58,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:42:58,522 INFO L93 Difference]: Finished difference Result 113 states and 166 transitions. [2019-12-07 17:42:58,523 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:42:58,523 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-12-07 17:42:58,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:42:58,523 INFO L225 Difference]: With dead ends: 113 [2019-12-07 17:42:58,524 INFO L226 Difference]: Without dead ends: 49 [2019-12-07 17:42:58,524 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:42:58,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-12-07 17:42:58,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2019-12-07 17:42:58,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-12-07 17:42:58,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2019-12-07 17:42:58,529 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2019-12-07 17:42:58,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:42:58,529 INFO L462 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2019-12-07 17:42:58,529 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:42:58,529 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2019-12-07 17:42:58,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 17:42:58,530 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:42:58,530 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:42:58,530 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:42:58,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:42:58,530 INFO L82 PathProgramCache]: Analyzing trace with hash -1368517952, now seen corresponding path program 1 times [2019-12-07 17:42:58,530 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:42:58,531 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156834502] [2019-12-07 17:42:58,531 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:42:58,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:42:58,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:42:58,583 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156834502] [2019-12-07 17:42:58,583 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:42:58,583 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 17:42:58,584 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622077660] [2019-12-07 17:42:58,584 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:42:58,584 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:42:58,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:42:58,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:42:58,585 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand 3 states. [2019-12-07 17:42:58,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:42:58,613 INFO L93 Difference]: Finished difference Result 133 states and 199 transitions. [2019-12-07 17:42:58,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:42:58,614 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-12-07 17:42:58,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:42:58,615 INFO L225 Difference]: With dead ends: 133 [2019-12-07 17:42:58,615 INFO L226 Difference]: Without dead ends: 91 [2019-12-07 17:42:58,615 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:42:58,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2019-12-07 17:42:58,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 87. [2019-12-07 17:42:58,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2019-12-07 17:42:58,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 130 transitions. [2019-12-07 17:42:58,623 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 130 transitions. Word has length 24 [2019-12-07 17:42:58,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:42:58,623 INFO L462 AbstractCegarLoop]: Abstraction has 87 states and 130 transitions. [2019-12-07 17:42:58,623 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:42:58,623 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 130 transitions. [2019-12-07 17:42:58,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-07 17:42:58,624 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:42:58,624 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:42:58,624 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:42:58,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:42:58,625 INFO L82 PathProgramCache]: Analyzing trace with hash 418729815, now seen corresponding path program 1 times [2019-12-07 17:42:58,625 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:42:58,625 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681608580] [2019-12-07 17:42:58,625 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:42:58,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:42:58,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:42:58,657 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681608580] [2019-12-07 17:42:58,657 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:42:58,657 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 17:42:58,657 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971330104] [2019-12-07 17:42:58,657 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:42:58,658 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:42:58,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:42:58,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:42:58,658 INFO L87 Difference]: Start difference. First operand 87 states and 130 transitions. Second operand 3 states. [2019-12-07 17:42:58,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:42:58,684 INFO L93 Difference]: Finished difference Result 210 states and 319 transitions. [2019-12-07 17:42:58,685 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:42:58,685 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-12-07 17:42:58,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:42:58,686 INFO L225 Difference]: With dead ends: 210 [2019-12-07 17:42:58,686 INFO L226 Difference]: Without dead ends: 130 [2019-12-07 17:42:58,687 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:42:58,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2019-12-07 17:42:58,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 128. [2019-12-07 17:42:58,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2019-12-07 17:42:58,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 188 transitions. [2019-12-07 17:42:58,697 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 188 transitions. Word has length 26 [2019-12-07 17:42:58,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:42:58,697 INFO L462 AbstractCegarLoop]: Abstraction has 128 states and 188 transitions. [2019-12-07 17:42:58,697 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:42:58,697 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 188 transitions. [2019-12-07 17:42:58,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-07 17:42:58,698 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:42:58,698 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:42:58,699 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:42:58,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:42:58,699 INFO L82 PathProgramCache]: Analyzing trace with hash 1090172169, now seen corresponding path program 1 times [2019-12-07 17:42:58,699 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:42:58,699 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180121094] [2019-12-07 17:42:58,699 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:42:58,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:42:58,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:42:58,739 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180121094] [2019-12-07 17:42:58,739 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:42:58,739 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 17:42:58,739 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555568991] [2019-12-07 17:42:58,740 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 17:42:58,740 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:42:58,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 17:42:58,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 17:42:58,740 INFO L87 Difference]: Start difference. First operand 128 states and 188 transitions. Second operand 5 states. [2019-12-07 17:42:58,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:42:58,829 INFO L93 Difference]: Finished difference Result 477 states and 704 transitions. [2019-12-07 17:42:58,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 17:42:58,829 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2019-12-07 17:42:58,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:42:58,831 INFO L225 Difference]: With dead ends: 477 [2019-12-07 17:42:58,832 INFO L226 Difference]: Without dead ends: 356 [2019-12-07 17:42:58,833 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-07 17:42:58,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2019-12-07 17:42:58,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 126. [2019-12-07 17:42:58,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2019-12-07 17:42:58,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 182 transitions. [2019-12-07 17:42:58,847 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 182 transitions. Word has length 27 [2019-12-07 17:42:58,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:42:58,847 INFO L462 AbstractCegarLoop]: Abstraction has 126 states and 182 transitions. [2019-12-07 17:42:58,847 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 17:42:58,847 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 182 transitions. [2019-12-07 17:42:58,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-07 17:42:58,848 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:42:58,848 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:42:58,848 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:42:58,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:42:58,849 INFO L82 PathProgramCache]: Analyzing trace with hash -1676819386, now seen corresponding path program 1 times [2019-12-07 17:42:58,849 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:42:58,849 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001836483] [2019-12-07 17:42:58,849 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:42:58,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:42:58,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:42:58,891 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001836483] [2019-12-07 17:42:58,891 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:42:58,891 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 17:42:58,892 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659820393] [2019-12-07 17:42:58,892 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 17:42:58,892 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:42:58,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 17:42:58,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-07 17:42:58,893 INFO L87 Difference]: Start difference. First operand 126 states and 182 transitions. Second operand 5 states. [2019-12-07 17:42:58,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:42:58,954 INFO L93 Difference]: Finished difference Result 339 states and 485 transitions. [2019-12-07 17:42:58,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 17:42:58,954 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-12-07 17:42:58,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:42:58,955 INFO L225 Difference]: With dead ends: 339 [2019-12-07 17:42:58,956 INFO L226 Difference]: Without dead ends: 220 [2019-12-07 17:42:58,956 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 17:42:58,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2019-12-07 17:42:58,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 138. [2019-12-07 17:42:58,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2019-12-07 17:42:58,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 194 transitions. [2019-12-07 17:42:58,967 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 194 transitions. Word has length 32 [2019-12-07 17:42:58,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:42:58,967 INFO L462 AbstractCegarLoop]: Abstraction has 138 states and 194 transitions. [2019-12-07 17:42:58,967 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 17:42:58,967 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 194 transitions. [2019-12-07 17:42:58,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-07 17:42:58,968 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:42:58,969 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:42:58,969 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:42:58,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:42:58,969 INFO L82 PathProgramCache]: Analyzing trace with hash -975754808, now seen corresponding path program 1 times [2019-12-07 17:42:58,969 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:42:58,969 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816601737] [2019-12-07 17:42:58,970 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:42:58,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:42:59,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:42:59,001 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816601737] [2019-12-07 17:42:59,001 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:42:59,001 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 17:42:59,001 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616666728] [2019-12-07 17:42:59,002 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 17:42:59,002 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:42:59,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 17:42:59,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 17:42:59,003 INFO L87 Difference]: Start difference. First operand 138 states and 194 transitions. Second operand 4 states. [2019-12-07 17:42:59,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:42:59,038 INFO L93 Difference]: Finished difference Result 331 states and 462 transitions. [2019-12-07 17:42:59,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 17:42:59,039 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2019-12-07 17:42:59,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:42:59,040 INFO L225 Difference]: With dead ends: 331 [2019-12-07 17:42:59,040 INFO L226 Difference]: Without dead ends: 200 [2019-12-07 17:42:59,041 INFO L630 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 [2019-12-07 17:42:59,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2019-12-07 17:42:59,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 146. [2019-12-07 17:42:59,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-12-07 17:42:59,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 202 transitions. [2019-12-07 17:42:59,051 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 202 transitions. Word has length 32 [2019-12-07 17:42:59,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:42:59,051 INFO L462 AbstractCegarLoop]: Abstraction has 146 states and 202 transitions. [2019-12-07 17:42:59,051 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 17:42:59,051 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 202 transitions. [2019-12-07 17:42:59,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-12-07 17:42:59,052 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:42:59,052 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:42:59,052 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:42:59,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:42:59,053 INFO L82 PathProgramCache]: Analyzing trace with hash -1562560822, now seen corresponding path program 1 times [2019-12-07 17:42:59,053 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:42:59,053 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320694898] [2019-12-07 17:42:59,053 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:42:59,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:42:59,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:42:59,079 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320694898] [2019-12-07 17:42:59,079 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:42:59,079 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 17:42:59,079 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718205483] [2019-12-07 17:42:59,080 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:42:59,080 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:42:59,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:42:59,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:42:59,080 INFO L87 Difference]: Start difference. First operand 146 states and 202 transitions. Second operand 3 states. [2019-12-07 17:42:59,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:42:59,104 INFO L93 Difference]: Finished difference Result 339 states and 468 transitions. [2019-12-07 17:42:59,104 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:42:59,105 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2019-12-07 17:42:59,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:42:59,106 INFO L225 Difference]: With dead ends: 339 [2019-12-07 17:42:59,106 INFO L226 Difference]: Without dead ends: 200 [2019-12-07 17:42:59,107 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:42:59,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2019-12-07 17:42:59,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 200. [2019-12-07 17:42:59,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2019-12-07 17:42:59,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 269 transitions. [2019-12-07 17:42:59,123 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 269 transitions. Word has length 32 [2019-12-07 17:42:59,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:42:59,124 INFO L462 AbstractCegarLoop]: Abstraction has 200 states and 269 transitions. [2019-12-07 17:42:59,124 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:42:59,124 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 269 transitions. [2019-12-07 17:42:59,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-07 17:42:59,125 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:42:59,125 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:42:59,125 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:42:59,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:42:59,126 INFO L82 PathProgramCache]: Analyzing trace with hash 1269502986, now seen corresponding path program 1 times [2019-12-07 17:42:59,126 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:42:59,126 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520223082] [2019-12-07 17:42:59,126 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:42:59,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:42:59,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:42:59,164 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520223082] [2019-12-07 17:42:59,164 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:42:59,164 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 17:42:59,164 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351816937] [2019-12-07 17:42:59,165 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:42:59,165 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:42:59,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:42:59,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:42:59,165 INFO L87 Difference]: Start difference. First operand 200 states and 269 transitions. Second operand 3 states. [2019-12-07 17:42:59,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:42:59,204 INFO L93 Difference]: Finished difference Result 315 states and 428 transitions. [2019-12-07 17:42:59,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:42:59,205 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2019-12-07 17:42:59,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:42:59,206 INFO L225 Difference]: With dead ends: 315 [2019-12-07 17:42:59,206 INFO L226 Difference]: Without dead ends: 313 [2019-12-07 17:42:59,207 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:42:59,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2019-12-07 17:42:59,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 283. [2019-12-07 17:42:59,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2019-12-07 17:42:59,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 393 transitions. [2019-12-07 17:42:59,219 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 393 transitions. Word has length 33 [2019-12-07 17:42:59,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:42:59,219 INFO L462 AbstractCegarLoop]: Abstraction has 283 states and 393 transitions. [2019-12-07 17:42:59,219 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:42:59,220 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 393 transitions. [2019-12-07 17:42:59,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-07 17:42:59,220 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:42:59,220 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:42:59,221 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:42:59,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:42:59,221 INFO L82 PathProgramCache]: Analyzing trace with hash 1703005794, now seen corresponding path program 1 times [2019-12-07 17:42:59,221 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:42:59,221 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224420489] [2019-12-07 17:42:59,221 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:42:59,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:42:59,245 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 17:42:59,246 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224420489] [2019-12-07 17:42:59,246 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:42:59,246 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 17:42:59,246 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498832969] [2019-12-07 17:42:59,246 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:42:59,247 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:42:59,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:42:59,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:42:59,247 INFO L87 Difference]: Start difference. First operand 283 states and 393 transitions. Second operand 3 states. [2019-12-07 17:42:59,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:42:59,290 INFO L93 Difference]: Finished difference Result 467 states and 646 transitions. [2019-12-07 17:42:59,290 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:42:59,290 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2019-12-07 17:42:59,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:42:59,291 INFO L225 Difference]: With dead ends: 467 [2019-12-07 17:42:59,291 INFO L226 Difference]: Without dead ends: 191 [2019-12-07 17:42:59,292 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:42:59,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2019-12-07 17:42:59,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 183. [2019-12-07 17:42:59,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2019-12-07 17:42:59,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 248 transitions. [2019-12-07 17:42:59,300 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 248 transitions. Word has length 54 [2019-12-07 17:42:59,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:42:59,300 INFO L462 AbstractCegarLoop]: Abstraction has 183 states and 248 transitions. [2019-12-07 17:42:59,300 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:42:59,300 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 248 transitions. [2019-12-07 17:42:59,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-12-07 17:42:59,301 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:42:59,301 INFO L410 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] [2019-12-07 17:42:59,301 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:42:59,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:42:59,302 INFO L82 PathProgramCache]: Analyzing trace with hash -495715879, now seen corresponding path program 1 times [2019-12-07 17:42:59,302 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:42:59,302 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555765465] [2019-12-07 17:42:59,302 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:42:59,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:42:59,355 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-07 17:42:59,355 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555765465] [2019-12-07 17:42:59,355 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:42:59,355 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-07 17:42:59,356 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656636332] [2019-12-07 17:42:59,356 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 17:42:59,356 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:42:59,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 17:42:59,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-12-07 17:42:59,357 INFO L87 Difference]: Start difference. First operand 183 states and 248 transitions. Second operand 8 states. [2019-12-07 17:42:59,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:42:59,728 INFO L93 Difference]: Finished difference Result 1268 states and 1725 transitions. [2019-12-07 17:42:59,728 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-12-07 17:42:59,728 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 55 [2019-12-07 17:42:59,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:42:59,733 INFO L225 Difference]: With dead ends: 1268 [2019-12-07 17:42:59,733 INFO L226 Difference]: Without dead ends: 1092 [2019-12-07 17:42:59,734 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2019-12-07 17:42:59,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2019-12-07 17:42:59,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 284. [2019-12-07 17:42:59,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2019-12-07 17:42:59,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 374 transitions. [2019-12-07 17:42:59,751 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 374 transitions. Word has length 55 [2019-12-07 17:42:59,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:42:59,751 INFO L462 AbstractCegarLoop]: Abstraction has 284 states and 374 transitions. [2019-12-07 17:42:59,751 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 17:42:59,751 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 374 transitions. [2019-12-07 17:42:59,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-07 17:42:59,752 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:42:59,752 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:42:59,752 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:42:59,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:42:59,752 INFO L82 PathProgramCache]: Analyzing trace with hash 1298950968, now seen corresponding path program 1 times [2019-12-07 17:42:59,753 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:42:59,753 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642463421] [2019-12-07 17:42:59,753 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:42:59,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:42:59,783 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 23 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:42:59,783 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642463421] [2019-12-07 17:42:59,783 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [729483495] [2019-12-07 17:42:59,783 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_148049ce-c9f8-46c5-a6e1-9bd903cfc255/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:42:59,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:42:59,872 INFO L264 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 17:42:59,877 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:42:59,896 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:42:59,896 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 17:42:59,896 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2019-12-07 17:42:59,897 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187066413] [2019-12-07 17:42:59,897 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:42:59,897 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:42:59,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:42:59,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-07 17:42:59,897 INFO L87 Difference]: Start difference. First operand 284 states and 374 transitions. Second operand 3 states. [2019-12-07 17:42:59,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:42:59,957 INFO L93 Difference]: Finished difference Result 445 states and 597 transitions. [2019-12-07 17:42:59,957 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:42:59,957 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2019-12-07 17:42:59,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:42:59,958 INFO L225 Difference]: With dead ends: 445 [2019-12-07 17:42:59,958 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 17:42:59,959 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-07 17:42:59,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 17:42:59,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 17:42:59,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 17:42:59,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 17:42:59,960 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2019-12-07 17:42:59,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:42:59,960 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:42:59,960 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:42:59,960 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 17:42:59,960 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 17:43:00,161 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:43:00,162 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 17:43:00,777 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 20 [2019-12-07 17:43:00,932 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 21 [2019-12-07 17:43:01,041 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 26 [2019-12-07 17:43:01,292 WARN L192 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 28 [2019-12-07 17:43:01,467 WARN L192 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 29 [2019-12-07 17:43:01,985 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 30 [2019-12-07 17:43:01,989 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 829) no Hoare annotation was computed. [2019-12-07 17:43:01,989 INFO L246 CegarLoopResult]: For program point L234(lines 234 240) no Hoare annotation was computed. [2019-12-07 17:43:01,989 INFO L242 CegarLoopResult]: At program point L234-1(lines 265 271) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= 0 ~systemActive~0)) (and (or (and .cse2 (= ~methaneLevelCritical~0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1) (and .cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1)) .cse3) (and .cse2 .cse3 (= 0 ~methaneLevelCritical~0) .cse1) (and .cse2 .cse0 .cse1 (= 0 ~methAndRunningLastTime~0)))) [2019-12-07 17:43:01,989 INFO L246 CegarLoopResult]: For program point L829(line 829) no Hoare annotation was computed. [2019-12-07 17:43:01,990 INFO L246 CegarLoopResult]: For program point L829-1(line 829) no Hoare annotation was computed. [2019-12-07 17:43:01,990 INFO L246 CegarLoopResult]: For program point L829-2(line 829) no Hoare annotation was computed. [2019-12-07 17:43:01,990 INFO L242 CegarLoopResult]: At program point L367(lines 360 370) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_isMethaneAlarm_#res| ~methaneLevelCritical~0) (<= 1 ~pumpRunning~0) (= ~methaneLevelCritical~0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 17:43:01,990 INFO L242 CegarLoopResult]: At program point L367-1(lines 360 370) the Hoare annotation is: false [2019-12-07 17:43:01,990 INFO L246 CegarLoopResult]: For program point L301(lines 301 309) no Hoare annotation was computed. [2019-12-07 17:43:01,990 INFO L242 CegarLoopResult]: At program point L367-2(lines 360 370) the Hoare annotation is: false [2019-12-07 17:43:01,990 INFO L246 CegarLoopResult]: For program point L301-1(lines 301 309) no Hoare annotation was computed. [2019-12-07 17:43:01,990 INFO L246 CegarLoopResult]: For program point L301-2(lines 301 309) no Hoare annotation was computed. [2019-12-07 17:43:01,990 INFO L246 CegarLoopResult]: For program point L301-3(lines 301 309) no Hoare annotation was computed. [2019-12-07 17:43:01,990 INFO L246 CegarLoopResult]: For program point L301-4(lines 301 309) no Hoare annotation was computed. [2019-12-07 17:43:01,990 INFO L246 CegarLoopResult]: For program point L301-5(lines 301 309) no Hoare annotation was computed. [2019-12-07 17:43:01,991 INFO L249 CegarLoopResult]: At program point L929(lines 910 932) the Hoare annotation is: true [2019-12-07 17:43:01,991 INFO L246 CegarLoopResult]: For program point L171(lines 171 177) no Hoare annotation was computed. [2019-12-07 17:43:01,991 INFO L246 CegarLoopResult]: For program point L171-1(lines 171 177) no Hoare annotation was computed. [2019-12-07 17:43:01,991 INFO L246 CegarLoopResult]: For program point L171-2(lines 171 177) no Hoare annotation was computed. [2019-12-07 17:43:01,991 INFO L246 CegarLoopResult]: For program point L171-3(lines 171 177) no Hoare annotation was computed. [2019-12-07 17:43:01,991 INFO L246 CegarLoopResult]: For program point L171-4(lines 171 177) no Hoare annotation was computed. [2019-12-07 17:43:01,991 INFO L246 CegarLoopResult]: For program point L171-5(lines 171 177) no Hoare annotation was computed. [2019-12-07 17:43:01,991 INFO L242 CegarLoopResult]: At program point L964(lines 959 967) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-12-07 17:43:01,991 INFO L246 CegarLoopResult]: For program point L106(lines 106 110) no Hoare annotation was computed. [2019-12-07 17:43:01,992 INFO L242 CegarLoopResult]: At program point L272(lines 272 278) the Hoare annotation is: (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 (= 0 ~methAndRunningLastTime~0)) (and .cse3 .cse2 (= 0 ~systemActive~0)) (and .cse0 .cse1 (= 0 ~methaneLevelCritical~0) .cse2) (and .cse0 .cse3 .cse2))) [2019-12-07 17:43:01,992 INFO L242 CegarLoopResult]: At program point L272-1(lines 272 278) the Hoare annotation is: false [2019-12-07 17:43:01,992 INFO L246 CegarLoopResult]: For program point L206(lines 206 212) no Hoare annotation was computed. [2019-12-07 17:43:01,992 INFO L242 CegarLoopResult]: At program point L272-2(lines 272 278) the Hoare annotation is: false [2019-12-07 17:43:01,992 INFO L242 CegarLoopResult]: At program point L206-1(lines 206 212) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~methaneLevelCritical~0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse2 .cse3 .cse4) (and .cse0 (<= 1 ~pumpRunning~0) .cse1 .cse3) (and .cse1 .cse2 .cse3 .cse4 (= 0 ~systemActive~0)))) [2019-12-07 17:43:01,992 INFO L246 CegarLoopResult]: For program point L439(lines 439 445) no Hoare annotation was computed. [2019-12-07 17:43:01,992 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 829) no Hoare annotation was computed. [2019-12-07 17:43:01,992 INFO L242 CegarLoopResult]: At program point L439-1(lines 439 445) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 17:43:01,992 INFO L242 CegarLoopResult]: At program point L176(lines 167 180) the Hoare annotation is: false [2019-12-07 17:43:01,993 INFO L242 CegarLoopResult]: At program point L176-1(lines 167 180) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2) (and .cse0 .cse1 .cse2 (= 0 ~methAndRunningLastTime~0)) (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse0 .cse1 .cse2))) [2019-12-07 17:43:01,993 INFO L242 CegarLoopResult]: At program point L176-2(lines 167 180) the Hoare annotation is: false [2019-12-07 17:43:01,993 INFO L242 CegarLoopResult]: At program point L176-3(lines 167 180) the Hoare annotation is: false [2019-12-07 17:43:01,993 INFO L242 CegarLoopResult]: At program point L176-4(lines 167 180) the Hoare annotation is: false [2019-12-07 17:43:01,993 INFO L242 CegarLoopResult]: At program point L176-5(lines 167 180) the Hoare annotation is: false [2019-12-07 17:43:01,993 INFO L242 CegarLoopResult]: At program point L376(lines 371 379) the Hoare annotation is: (let ((.cse4 (= 1 ~systemActive~0)) (.cse0 (= ~methaneLevelCritical~0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= 0 ~systemActive~0)) (and .cse4 (<= 1 ~pumpRunning~0) .cse0 .cse3 (= 0 ~methAndRunningLastTime~0)) (and .cse4 .cse0 .cse1 .cse2 .cse3))) [2019-12-07 17:43:01,993 INFO L242 CegarLoopResult]: At program point L376-1(lines 371 379) the Hoare annotation is: false [2019-12-07 17:43:01,993 INFO L242 CegarLoopResult]: At program point L376-2(lines 371 379) the Hoare annotation is: false [2019-12-07 17:43:01,993 INFO L242 CegarLoopResult]: At program point L246(lines 195 247) the Hoare annotation is: false [2019-12-07 17:43:01,993 INFO L242 CegarLoopResult]: At program point L49(lines 44 51) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-12-07 17:43:01,994 INFO L246 CegarLoopResult]: For program point L216(lines 216 222) no Hoare annotation was computed. [2019-12-07 17:43:01,994 INFO L242 CegarLoopResult]: At program point L216-1(lines 216 222) the Hoare annotation is: (let ((.cse3 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse0 (= 1 ~systemActive~0)) (.cse8 (= 0 ~methaneLevelCritical~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse6 (= 0 ~methAndRunningLastTime~0)) (.cse7 (= 0 ~systemActive~0))) (or (and (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse2)) .cse4) (and .cse3 .cse5 .cse2 .cse6 .cse7) (and .cse0 .cse4 .cse8 .cse2) (and .cse1 .cse5 .cse2 .cse6 .cse7) (and .cse0 .cse5 .cse2 .cse6) (and .cse8 .cse5 .cse2 .cse6 .cse7))) [2019-12-07 17:43:01,994 INFO L246 CegarLoopResult]: For program point L118(lines 118 122) no Hoare annotation was computed. [2019-12-07 17:43:01,994 INFO L242 CegarLoopResult]: At program point L845-2(lines 845 859) the Hoare annotation is: false [2019-12-07 17:43:01,994 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 17:43:01,994 INFO L246 CegarLoopResult]: For program point L846(line 846) no Hoare annotation was computed. [2019-12-07 17:43:01,994 INFO L246 CegarLoopResult]: For program point L849(lines 849 853) no Hoare annotation was computed. [2019-12-07 17:43:01,994 INFO L246 CegarLoopResult]: For program point L849-1(lines 265 271) no Hoare annotation was computed. [2019-12-07 17:43:01,994 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 17:43:01,994 INFO L246 CegarLoopResult]: For program point L323(lines 323 340) no Hoare annotation was computed. [2019-12-07 17:43:01,994 INFO L246 CegarLoopResult]: For program point L323-1(lines 323 340) no Hoare annotation was computed. [2019-12-07 17:43:01,995 INFO L246 CegarLoopResult]: For program point L323-2(lines 323 340) no Hoare annotation was computed. [2019-12-07 17:43:01,995 INFO L246 CegarLoopResult]: For program point L60(lines 60 77) no Hoare annotation was computed. [2019-12-07 17:43:01,995 INFO L242 CegarLoopResult]: At program point L60-1(lines 1 967) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (<= 1 ~pumpRunning~0) .cse1 .cse3) (and .cse1 .cse2 .cse3 .cse4 (= 0 ~systemActive~0)) (and .cse0 (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) .cse2 .cse3 .cse4))) [2019-12-07 17:43:01,995 INFO L246 CegarLoopResult]: For program point L60-2(lines 60 77) no Hoare annotation was computed. [2019-12-07 17:43:01,995 INFO L242 CegarLoopResult]: At program point L60-3(lines 1 967) the Hoare annotation is: false [2019-12-07 17:43:01,995 INFO L246 CegarLoopResult]: For program point L60-4(lines 60 77) no Hoare annotation was computed. [2019-12-07 17:43:01,995 INFO L242 CegarLoopResult]: At program point L60-5(lines 1 967) the Hoare annotation is: false [2019-12-07 17:43:01,995 INFO L246 CegarLoopResult]: For program point L226(lines 226 241) no Hoare annotation was computed. [2019-12-07 17:43:01,995 INFO L246 CegarLoopResult]: For program point L94(lines 94 98) no Hoare annotation was computed. [2019-12-07 17:43:01,995 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 17:43:01,995 INFO L246 CegarLoopResult]: For program point L94-3(lines 94 98) no Hoare annotation was computed. [2019-12-07 17:43:01,996 INFO L246 CegarLoopResult]: For program point L920(lines 920 927) no Hoare annotation was computed. [2019-12-07 17:43:01,996 INFO L246 CegarLoopResult]: For program point L94-6(lines 94 98) no Hoare annotation was computed. [2019-12-07 17:43:01,996 INFO L249 CegarLoopResult]: At program point L920-1(lines 920 927) the Hoare annotation is: true [2019-12-07 17:43:01,996 INFO L246 CegarLoopResult]: For program point L425(lines 425 429) no Hoare annotation was computed. [2019-12-07 17:43:01,996 INFO L246 CegarLoopResult]: For program point L425-2(lines 425 429) no Hoare annotation was computed. [2019-12-07 17:43:01,996 INFO L246 CegarLoopResult]: For program point L425-3(lines 425 429) no Hoare annotation was computed. [2019-12-07 17:43:01,996 INFO L246 CegarLoopResult]: For program point L425-5(lines 425 429) no Hoare annotation was computed. [2019-12-07 17:43:01,996 INFO L246 CegarLoopResult]: For program point L425-6(lines 425 429) no Hoare annotation was computed. [2019-12-07 17:43:01,996 INFO L246 CegarLoopResult]: For program point L425-8(lines 425 429) no Hoare annotation was computed. [2019-12-07 17:43:01,996 INFO L246 CegarLoopResult]: For program point L425-9(lines 425 429) no Hoare annotation was computed. [2019-12-07 17:43:01,996 INFO L246 CegarLoopResult]: For program point L425-11(lines 425 429) no Hoare annotation was computed. [2019-12-07 17:43:01,996 INFO L246 CegarLoopResult]: For program point L425-12(lines 425 429) no Hoare annotation was computed. [2019-12-07 17:43:01,996 INFO L246 CegarLoopResult]: For program point L425-14(lines 425 429) no Hoare annotation was computed. [2019-12-07 17:43:01,997 INFO L246 CegarLoopResult]: For program point L425-15(lines 425 429) no Hoare annotation was computed. [2019-12-07 17:43:01,997 INFO L246 CegarLoopResult]: For program point L425-17(lines 425 429) no Hoare annotation was computed. [2019-12-07 17:43:01,997 INFO L246 CegarLoopResult]: For program point L327(lines 327 335) no Hoare annotation was computed. [2019-12-07 17:43:01,997 INFO L246 CegarLoopResult]: For program point L327-1(lines 327 335) no Hoare annotation was computed. [2019-12-07 17:43:01,997 INFO L246 CegarLoopResult]: For program point L327-2(lines 327 335) no Hoare annotation was computed. [2019-12-07 17:43:01,997 INFO L246 CegarLoopResult]: For program point L64(lines 64 74) no Hoare annotation was computed. [2019-12-07 17:43:01,997 INFO L246 CegarLoopResult]: For program point L64-2(lines 64 74) no Hoare annotation was computed. [2019-12-07 17:43:01,997 INFO L242 CegarLoopResult]: At program point L956(lines 1 967) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-12-07 17:43:01,997 INFO L246 CegarLoopResult]: For program point L64-4(lines 64 74) no Hoare annotation was computed. [2019-12-07 17:43:01,997 INFO L246 CegarLoopResult]: For program point L197(lines 196 245) no Hoare annotation was computed. [2019-12-07 17:43:01,997 INFO L242 CegarLoopResult]: At program point L131(lines 126 134) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= 1 ~pumpRunning~0) (= ~methaneLevelCritical~0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-12-07 17:43:01,998 INFO L242 CegarLoopResult]: At program point L131-1(lines 126 134) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse4 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 .cse3 (= 0 ~methAndRunningLastTime~0)) (and .cse0 .cse2 .cse4 .cse3) (and .cse0 .cse1 .cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3) (and .cse2 .cse4 .cse3 (= 0 ~systemActive~0)))) [2019-12-07 17:43:01,998 INFO L246 CegarLoopResult]: For program point L65(lines 65 71) no Hoare annotation was computed. [2019-12-07 17:43:01,998 INFO L242 CegarLoopResult]: At program point L131-2(lines 126 134) the Hoare annotation is: false [2019-12-07 17:43:01,998 INFO L242 CegarLoopResult]: At program point L131-3(lines 126 134) the Hoare annotation is: false [2019-12-07 17:43:01,998 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 17:43:01,998 INFO L246 CegarLoopResult]: For program point L65-2(lines 65 71) no Hoare annotation was computed. [2019-12-07 17:43:01,998 INFO L242 CegarLoopResult]: At program point L131-4(lines 126 134) the Hoare annotation is: false [2019-12-07 17:43:01,998 INFO L242 CegarLoopResult]: At program point L131-5(lines 126 134) the Hoare annotation is: false [2019-12-07 17:43:01,998 INFO L246 CegarLoopResult]: For program point L65-4(lines 65 71) no Hoare annotation was computed. [2019-12-07 17:43:01,998 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 829) no Hoare annotation was computed. [2019-12-07 17:43:01,998 INFO L246 CegarLoopResult]: For program point L297(lines 297 314) no Hoare annotation was computed. [2019-12-07 17:43:01,998 INFO L246 CegarLoopResult]: For program point L297-1(lines 297 314) no Hoare annotation was computed. [2019-12-07 17:43:01,999 INFO L246 CegarLoopResult]: For program point L297-2(lines 297 314) no Hoare annotation was computed. [2019-12-07 17:43:01,999 INFO L246 CegarLoopResult]: For program point L198(lines 198 202) no Hoare annotation was computed. [2019-12-07 17:43:01,999 INFO L246 CegarLoopResult]: For program point L297-3(lines 297 314) no Hoare annotation was computed. [2019-12-07 17:43:01,999 INFO L246 CegarLoopResult]: For program point L297-4(lines 297 314) no Hoare annotation was computed. [2019-12-07 17:43:01,999 INFO L246 CegarLoopResult]: For program point L297-5(lines 297 314) no Hoare annotation was computed. [2019-12-07 17:43:01,999 INFO L242 CegarLoopResult]: At program point L265(lines 264 283) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 1 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 (= 0 ~systemActive~0)) (and (or (and .cse2 (= ~methaneLevelCritical~0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1) (and .cse2 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1)) .cse3) (and .cse2 .cse4 .cse0 .cse1) (and .cse2 .cse3 .cse4 .cse1) (and .cse2 .cse0 .cse1 (= 0 ~methAndRunningLastTime~0)))) [2019-12-07 17:43:01,999 INFO L246 CegarLoopResult]: For program point L265-1(lines 265 271) no Hoare annotation was computed. [2019-12-07 17:43:01,999 INFO L242 CegarLoopResult]: At program point L265-2(lines 264 283) the Hoare annotation is: false [2019-12-07 17:43:01,999 INFO L242 CegarLoopResult]: At program point L265-3(lines 264 283) the Hoare annotation is: false [2019-12-07 17:43:01,999 INFO L242 CegarLoopResult]: At program point L893(lines 889 895) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-12-07 17:43:02,000 INFO L242 CegarLoopResult]: At program point L431(lines 416 434) the Hoare annotation is: false [2019-12-07 17:43:02,000 INFO L242 CegarLoopResult]: At program point L431-1(lines 416 434) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (= 0 |ULTIMATE.start_isHighWaterLevel_#res|) .cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~2) .cse1 .cse2) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2) (and .cse0 .cse1 .cse2 (= 0 ~methAndRunningLastTime~0)))) [2019-12-07 17:43:02,000 INFO L242 CegarLoopResult]: At program point L431-2(lines 416 434) the Hoare annotation is: false [2019-12-07 17:43:02,000 INFO L242 CegarLoopResult]: At program point L431-3(lines 416 434) the Hoare annotation is: false [2019-12-07 17:43:02,000 INFO L242 CegarLoopResult]: At program point L431-4(lines 416 434) the Hoare annotation is: false [2019-12-07 17:43:02,000 INFO L242 CegarLoopResult]: At program point L431-5(lines 416 434) the Hoare annotation is: false [2019-12-07 17:43:02,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 05:43:02 BoogieIcfgContainer [2019-12-07 17:43:02,024 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 17:43:02,024 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:43:02,024 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:43:02,025 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:43:02,025 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:42:58" (3/4) ... [2019-12-07 17:43:02,027 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 17:43:02,041 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-12-07 17:43:02,041 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 17:43:02,042 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-07 17:43:02,043 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 17:43:02,044 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 17:43:02,044 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 17:43:02,045 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 17:43:02,065 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && methaneLevelCritical == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((1 == systemActive && 1 <= pumpRunning) && methaneLevelCritical == \result) && 0 == splverifierCounter)) || ((((methaneLevelCritical == \result && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive)) || (((((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-12-07 17:43:02,065 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && methaneLevelCritical == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((1 == systemActive && 1 <= pumpRunning) && methaneLevelCritical == \result) && 0 == splverifierCounter)) || ((((methaneLevelCritical == \result && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive) [2019-12-07 17:43:02,065 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 == systemActive && methaneLevelCritical == \result) && 0 == splverifierCounter) || ((1 == systemActive && 0 == \result) && 0 == splverifierCounter)) && 1 <= pumpRunning) || ((((0 == \result && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive)) || (((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == splverifierCounter)) || ((((methaneLevelCritical == \result && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((0 == methaneLevelCritical && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive) [2019-12-07 17:43:02,066 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive) || ((((1 == systemActive && methaneLevelCritical == \result) && 0 == splverifierCounter) || ((1 == systemActive && 0 == \result) && 0 == splverifierCounter)) && 1 <= pumpRunning)) || (((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-12-07 17:43:02,066 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive) || ((((1 == systemActive && methaneLevelCritical == \result) && 0 == splverifierCounter) || ((1 == systemActive && 0 == \result) && 0 == splverifierCounter)) && 1 <= pumpRunning)) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || (((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-12-07 17:43:02,067 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && 1 <= pumpRunning) && methaneLevelCritical == \result) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((1 == systemActive && methaneLevelCritical == \result) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= pumpRunning) && methaneLevelCritical == \result) && 0 == \result) && 0 == splverifierCounter)) || (((methaneLevelCritical == \result && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) [2019-12-07 17:43:02,067 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && 1 <= pumpRunning) && methaneLevelCritical == \result) && 0 == splverifierCounter [2019-12-07 17:43:02,068 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && \result == methaneLevelCritical) && 1 <= pumpRunning) && methaneLevelCritical == \result) && 0 == splverifierCounter [2019-12-07 17:43:02,068 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((\result == 1 && 1 == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) [2019-12-07 17:43:02,068 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((methaneLevelCritical == \result && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || ((((1 == systemActive && 1 <= pumpRunning) && methaneLevelCritical == \result) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && methaneLevelCritical == \result) && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) [2019-12-07 17:43:02,068 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == \result && 1 == systemActive) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) [2019-12-07 17:43:02,117 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_148049ce-c9f8-46c5-a6e1-9bd903cfc255/bin/uautomizer/witness.graphml [2019-12-07 17:43:02,117 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:43:02,118 INFO L168 Benchmark]: Toolchain (without parser) took 4905.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 188.2 MB). Free memory was 938.1 MB in the beginning and 942.8 MB in the end (delta: -4.6 MB). Peak memory consumption was 183.6 MB. Max. memory is 11.5 GB. [2019-12-07 17:43:02,118 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:43:02,118 INFO L168 Benchmark]: CACSL2BoogieTranslator took 334.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 938.1 MB in the beginning and 1.1 GB in the end (delta: -171.7 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-12-07 17:43:02,118 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 17:43:02,119 INFO L168 Benchmark]: Boogie Preprocessor took 30.42 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:43:02,119 INFO L168 Benchmark]: RCFGBuilder took 474.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.9 MB). Peak memory consumption was 65.9 MB. Max. memory is 11.5 GB. [2019-12-07 17:43:02,119 INFO L168 Benchmark]: TraceAbstraction took 3925.92 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 61.3 MB). Free memory was 1.0 GB in the beginning and 957.9 MB in the end (delta: 80.7 MB). Peak memory consumption was 247.5 MB. Max. memory is 11.5 GB. [2019-12-07 17:43:02,119 INFO L168 Benchmark]: Witness Printer took 92.39 ms. Allocated memory is still 1.2 GB. Free memory was 957.9 MB in the beginning and 942.8 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2019-12-07 17:43:02,121 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 334.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 938.1 MB in the beginning and 1.1 GB in the end (delta: -171.7 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.42 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 474.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.9 MB). Peak memory consumption was 65.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3925.92 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 61.3 MB). Free memory was 1.0 GB in the beginning and 957.9 MB in the end (delta: 80.7 MB). Peak memory consumption was 247.5 MB. Max. memory is 11.5 GB. * Witness Printer took 92.39 ms. Allocated memory is still 1.2 GB. Free memory was 957.9 MB in the beginning and 942.8 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 829]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 829]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 829]: 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: 272]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 360]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: (((((0 == \result && 1 == systemActive) && 0 == tmp___0) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: (((((1 == systemActive && 1 <= pumpRunning) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive)) || (((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == splverifierCounter)) || ((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: (((((methaneLevelCritical == \result && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || ((((1 == systemActive && 1 <= pumpRunning) && methaneLevelCritical == \result) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((1 == systemActive && methaneLevelCritical == \result) && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && methaneLevelCritical == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((1 == systemActive && 1 <= pumpRunning) && methaneLevelCritical == \result) && 0 == splverifierCounter)) || ((((methaneLevelCritical == \result && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive)) || (((((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 360]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive) || ((((1 == systemActive && methaneLevelCritical == \result) && 0 == splverifierCounter) || ((1 == systemActive && 0 == \result) && 0 == splverifierCounter)) && 1 <= pumpRunning)) || (((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && 0 == splverifierCounter) && 0 == systemActive) || ((((1 == systemActive && methaneLevelCritical == \result) && 0 == splverifierCounter) || ((1 == systemActive && 0 == \result) && 0 == splverifierCounter)) && 1 <= pumpRunning)) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || (((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: 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: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 1 <= pumpRunning) && methaneLevelCritical == \result) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || (((1 == systemActive && methaneLevelCritical == \result) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && 1 <= pumpRunning) && methaneLevelCritical == \result) && 0 == \result) && 0 == splverifierCounter)) || (((methaneLevelCritical == \result && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && methaneLevelCritical == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) || ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((1 == systemActive && 1 <= pumpRunning) && methaneLevelCritical == \result) && 0 == splverifierCounter)) || ((((methaneLevelCritical == \result && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive) - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: ((1 == systemActive && 1 <= pumpRunning) && methaneLevelCritical == \result) && 0 == splverifierCounter - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 360]: Loop Invariant Derived loop invariant: (((1 == systemActive && \result == methaneLevelCritical) && 1 <= pumpRunning) && methaneLevelCritical == \result) && 0 == splverifierCounter - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 959]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || (((\result == 1 && 1 == systemActive) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 910]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 0 == splverifierCounter - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 889]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: ((((((((1 == systemActive && methaneLevelCritical == \result) && 0 == splverifierCounter) || ((1 == systemActive && 0 == \result) && 0 == splverifierCounter)) && 1 <= pumpRunning) || ((((0 == \result && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive)) || (((1 == systemActive && 1 <= pumpRunning) && 0 == methaneLevelCritical) && 0 == splverifierCounter)) || ((((methaneLevelCritical == \result && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime)) || ((((0 == methaneLevelCritical && pumpRunning == 0) && 0 == splverifierCounter) && 0 == methAndRunningLastTime) && 0 == systemActive) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 117 locations, 3 error locations. Result: SAFE, OverallTime: 2.0s, OverallIterations: 12, TraceHistogramMax: 2, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.8s, HoareTripleCheckerStatistics: 1167 SDtfs, 1427 SDslu, 1754 SDs, 0 SdLazy, 266 SolverSat, 64 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 137 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=284occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 1218 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 147 NumberOfFragments, 730 HoareAnnotationTreeSize, 45 FomulaSimplifications, 114172 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 45 FomulaSimplificationsInter, 15017 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 468 NumberOfCodeBlocks, 468 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 455 ConstructedInterpolants, 0 QuantifiedInterpolants, 29508 SizeOfPredicates, 1 NumberOfNonLiveVariables, 426 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 13 InterpolantComputations, 12 PerfectInterpolantSequences, 81/82 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...