./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product54.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_be2d24d1-f0f2-48d7-9768-073357b4c2d5/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_be2d24d1-f0f2-48d7-9768-073357b4c2d5/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_be2d24d1-f0f2-48d7-9768-073357b4c2d5/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_be2d24d1-f0f2-48d7-9768-073357b4c2d5/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product54.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_be2d24d1-f0f2-48d7-9768-073357b4c2d5/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_be2d24d1-f0f2-48d7-9768-073357b4c2d5/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 72143491ca2c2fc320c541f4b8cb53fa1b067619 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 20:19:44,227 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 20:19:44,229 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 20:19:44,315 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 20:19:44,316 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 20:19:44,318 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 20:19:44,319 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 20:19:44,322 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 20:19:44,324 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 20:19:44,325 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 20:19:44,327 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 20:19:44,328 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 20:19:44,329 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 20:19:44,330 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 20:19:44,331 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 20:19:44,333 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 20:19:44,334 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 20:19:44,335 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 20:19:44,337 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 20:19:44,339 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 20:19:44,341 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 20:19:44,342 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 20:19:44,344 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 20:19:44,345 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 20:19:44,348 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 20:19:44,349 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 20:19:44,349 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 20:19:44,350 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 20:19:44,351 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 20:19:44,352 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 20:19:44,353 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 20:19:44,354 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 20:19:44,355 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 20:19:44,356 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 20:19:44,357 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 20:19:44,357 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 20:19:44,358 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 20:19:44,358 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 20:19:44,359 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 20:19:44,360 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 20:19:44,360 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 20:19:44,361 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_be2d24d1-f0f2-48d7-9768-073357b4c2d5/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 20:19:44,383 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 20:19:44,383 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 20:19:44,384 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 20:19:44,385 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 20:19:44,385 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 20:19:44,385 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 20:19:44,385 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 20:19:44,386 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 20:19:44,386 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 20:19:44,386 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 20:19:44,386 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 20:19:44,386 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 20:19:44,387 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 20:19:44,387 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 20:19:44,387 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 20:19:44,387 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 20:19:44,388 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 20:19:44,388 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 20:19:44,388 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 20:19:44,388 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 20:19:44,388 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 20:19:44,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 20:19:44,389 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 20:19:44,389 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 20:19:44,389 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 20:19:44,390 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 20:19:44,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 20:19:44,390 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 20:19:44,390 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 20:19:44,391 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_be2d24d1-f0f2-48d7-9768-073357b4c2d5/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_be2d24d1-f0f2-48d7-9768-073357b4c2d5/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72143491ca2c2fc320c541f4b8cb53fa1b067619 [2020-11-29 20:19:44,619 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 20:19:44,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 20:19:44,658 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 20:19:44,659 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 20:19:44,660 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 20:19:44,661 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_be2d24d1-f0f2-48d7-9768-073357b4c2d5/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product54.cil.c [2020-11-29 20:19:44,729 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_be2d24d1-f0f2-48d7-9768-073357b4c2d5/bin/uautomizer/data/adc7cd7da/894397cb6d4c487fbc5ca19976e18b32/FLAG095b41785 [2020-11-29 20:19:45,247 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 20:19:45,248 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_be2d24d1-f0f2-48d7-9768-073357b4c2d5/sv-benchmarks/c/product-lines/minepump_spec2_product54.cil.c [2020-11-29 20:19:45,262 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_be2d24d1-f0f2-48d7-9768-073357b4c2d5/bin/uautomizer/data/adc7cd7da/894397cb6d4c487fbc5ca19976e18b32/FLAG095b41785 [2020-11-29 20:19:45,571 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_be2d24d1-f0f2-48d7-9768-073357b4c2d5/bin/uautomizer/data/adc7cd7da/894397cb6d4c487fbc5ca19976e18b32 [2020-11-29 20:19:45,574 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 20:19:45,575 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 20:19:45,577 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 20:19:45,577 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 20:19:45,580 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 20:19:45,582 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:19:45" (1/1) ... [2020-11-29 20:19:45,586 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12c8f9ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:19:45, skipping insertion in model container [2020-11-29 20:19:45,587 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:19:45" (1/1) ... [2020-11-29 20:19:45,592 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 20:19:45,642 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 20:19:46,000 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:19:46,010 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 20:19:46,112 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:19:46,148 INFO L208 MainTranslator]: Completed translation [2020-11-29 20:19:46,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:19:46 WrapperNode [2020-11-29 20:19:46,149 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 20:19:46,150 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 20:19:46,150 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 20:19:46,151 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 20:19:46,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:19:46" (1/1) ... [2020-11-29 20:19:46,174 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:19:46" (1/1) ... [2020-11-29 20:19:46,238 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 20:19:46,239 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 20:19:46,239 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 20:19:46,240 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 20:19:46,248 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:19:46" (1/1) ... [2020-11-29 20:19:46,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:19:46" (1/1) ... [2020-11-29 20:19:46,256 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:19:46" (1/1) ... [2020-11-29 20:19:46,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:19:46" (1/1) ... [2020-11-29 20:19:46,288 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:19:46" (1/1) ... [2020-11-29 20:19:46,314 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:19:46" (1/1) ... [2020-11-29 20:19:46,318 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:19:46" (1/1) ... [2020-11-29 20:19:46,324 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 20:19:46,325 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 20:19:46,326 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 20:19:46,326 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 20:19:46,336 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:19:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_be2d24d1-f0f2-48d7-9768-073357b4c2d5/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 [2020-11-29 20:19:46,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 20:19:46,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 20:19:46,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 20:19:46,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 20:19:47,718 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 20:19:47,718 INFO L298 CfgBuilder]: Removed 286 assume(true) statements. [2020-11-29 20:19:47,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:19:47 BoogieIcfgContainer [2020-11-29 20:19:47,721 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 20:19:47,723 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 20:19:47,723 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 20:19:47,731 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 20:19:47,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 08:19:45" (1/3) ... [2020-11-29 20:19:47,732 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@692060e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 08:19:47, skipping insertion in model container [2020-11-29 20:19:47,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:19:46" (2/3) ... [2020-11-29 20:19:47,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@692060e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 08:19:47, skipping insertion in model container [2020-11-29 20:19:47,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:19:47" (3/3) ... [2020-11-29 20:19:47,734 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product54.cil.c [2020-11-29 20:19:47,747 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 20:19:47,775 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-29 20:19:47,790 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-29 20:19:47,819 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 20:19:47,819 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 20:19:47,819 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 20:19:47,819 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 20:19:47,820 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 20:19:47,820 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 20:19:47,820 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 20:19:47,820 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 20:19:47,841 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states. [2020-11-29 20:19:47,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 20:19:47,849 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:19:47,849 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:19:47,850 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:19:47,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:19:47,856 INFO L82 PathProgramCache]: Analyzing trace with hash -514131548, now seen corresponding path program 1 times [2020-11-29 20:19:47,866 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:19:47,867 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684971625] [2020-11-29 20:19:47,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:19:48,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:19:48,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:19:48,197 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684971625] [2020-11-29 20:19:48,198 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:19:48,199 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 20:19:48,199 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101747721] [2020-11-29 20:19:48,204 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 20:19:48,204 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:19:48,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 20:19:48,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 20:19:48,225 INFO L87 Difference]: Start difference. First operand 196 states. Second operand 2 states. [2020-11-29 20:19:48,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:19:48,300 INFO L93 Difference]: Finished difference Result 382 states and 585 transitions. [2020-11-29 20:19:48,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 20:19:48,302 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-29 20:19:48,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:19:48,328 INFO L225 Difference]: With dead ends: 382 [2020-11-29 20:19:48,328 INFO L226 Difference]: Without dead ends: 189 [2020-11-29 20:19:48,338 INFO L677 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 [2020-11-29 20:19:48,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2020-11-29 20:19:48,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2020-11-29 20:19:48,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2020-11-29 20:19:48,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 283 transitions. [2020-11-29 20:19:48,409 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 283 transitions. Word has length 18 [2020-11-29 20:19:48,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:19:48,409 INFO L481 AbstractCegarLoop]: Abstraction has 189 states and 283 transitions. [2020-11-29 20:19:48,409 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 20:19:48,409 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 283 transitions. [2020-11-29 20:19:48,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-29 20:19:48,411 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:19:48,411 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:19:48,411 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 20:19:48,412 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:19:48,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:19:48,413 INFO L82 PathProgramCache]: Analyzing trace with hash -732967517, now seen corresponding path program 1 times [2020-11-29 20:19:48,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:19:48,413 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711988190] [2020-11-29 20:19:48,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:19:48,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:19:48,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:19:48,566 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711988190] [2020-11-29 20:19:48,566 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:19:48,567 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:19:48,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217786206] [2020-11-29 20:19:48,568 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:19:48,568 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:19:48,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:19:48,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:19:48,570 INFO L87 Difference]: Start difference. First operand 189 states and 283 transitions. Second operand 3 states. [2020-11-29 20:19:48,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:19:48,596 INFO L93 Difference]: Finished difference Result 189 states and 283 transitions. [2020-11-29 20:19:48,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:19:48,603 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-11-29 20:19:48,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:19:48,604 INFO L225 Difference]: With dead ends: 189 [2020-11-29 20:19:48,604 INFO L226 Difference]: Without dead ends: 73 [2020-11-29 20:19:48,606 INFO L677 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 [2020-11-29 20:19:48,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-11-29 20:19:48,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2020-11-29 20:19:48,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-11-29 20:19:48,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 108 transitions. [2020-11-29 20:19:48,613 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 108 transitions. Word has length 19 [2020-11-29 20:19:48,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:19:48,614 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 108 transitions. [2020-11-29 20:19:48,614 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:19:48,614 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 108 transitions. [2020-11-29 20:19:48,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 20:19:48,615 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:19:48,616 INFO L422 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] [2020-11-29 20:19:48,616 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 20:19:48,616 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:19:48,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:19:48,617 INFO L82 PathProgramCache]: Analyzing trace with hash 2130030647, now seen corresponding path program 1 times [2020-11-29 20:19:48,617 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:19:48,617 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128602567] [2020-11-29 20:19:48,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:19:48,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:19:48,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:19:48,759 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128602567] [2020-11-29 20:19:48,760 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:19:48,760 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:19:48,760 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671543847] [2020-11-29 20:19:48,760 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:19:48,761 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:19:48,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:19:48,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:19:48,762 INFO L87 Difference]: Start difference. First operand 73 states and 108 transitions. Second operand 3 states. [2020-11-29 20:19:48,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:19:48,794 INFO L93 Difference]: Finished difference Result 139 states and 209 transitions. [2020-11-29 20:19:48,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:19:48,794 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-29 20:19:48,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:19:48,795 INFO L225 Difference]: With dead ends: 139 [2020-11-29 20:19:48,796 INFO L226 Difference]: Without dead ends: 73 [2020-11-29 20:19:48,796 INFO L677 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 [2020-11-29 20:19:48,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-11-29 20:19:48,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2020-11-29 20:19:48,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-11-29 20:19:48,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 107 transitions. [2020-11-29 20:19:48,804 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 107 transitions. Word has length 24 [2020-11-29 20:19:48,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:19:48,805 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 107 transitions. [2020-11-29 20:19:48,805 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:19:48,805 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 107 transitions. [2020-11-29 20:19:48,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-29 20:19:48,806 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:19:48,807 INFO L422 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] [2020-11-29 20:19:48,807 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 20:19:48,807 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:19:48,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:19:48,808 INFO L82 PathProgramCache]: Analyzing trace with hash 1328729652, now seen corresponding path program 1 times [2020-11-29 20:19:48,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:19:48,808 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972777760] [2020-11-29 20:19:48,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:19:48,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:19:48,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:19:48,954 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972777760] [2020-11-29 20:19:48,955 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:19:48,955 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 20:19:48,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987608812] [2020-11-29 20:19:48,955 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:19:48,956 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:19:48,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:19:48,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:19:48,957 INFO L87 Difference]: Start difference. First operand 73 states and 107 transitions. Second operand 3 states. [2020-11-29 20:19:49,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:19:49,038 INFO L93 Difference]: Finished difference Result 149 states and 221 transitions. [2020-11-29 20:19:49,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:19:49,039 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-11-29 20:19:49,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:19:49,041 INFO L225 Difference]: With dead ends: 149 [2020-11-29 20:19:49,041 INFO L226 Difference]: Without dead ends: 83 [2020-11-29 20:19:49,042 INFO L677 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 [2020-11-29 20:19:49,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-11-29 20:19:49,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 81. [2020-11-29 20:19:49,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-11-29 20:19:49,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 115 transitions. [2020-11-29 20:19:49,063 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 115 transitions. Word has length 27 [2020-11-29 20:19:49,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:19:49,064 INFO L481 AbstractCegarLoop]: Abstraction has 81 states and 115 transitions. [2020-11-29 20:19:49,065 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:19:49,065 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 115 transitions. [2020-11-29 20:19:49,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 20:19:49,071 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:19:49,071 INFO L422 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] [2020-11-29 20:19:49,071 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-29 20:19:49,072 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:19:49,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:19:49,073 INFO L82 PathProgramCache]: Analyzing trace with hash 1714317344, now seen corresponding path program 1 times [2020-11-29 20:19:49,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:19:49,074 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992752169] [2020-11-29 20:19:49,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:19:49,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:19:49,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:19:49,225 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992752169] [2020-11-29 20:19:49,226 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:19:49,226 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 20:19:49,226 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282000574] [2020-11-29 20:19:49,227 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 20:19:49,227 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:19:49,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 20:19:49,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 20:19:49,228 INFO L87 Difference]: Start difference. First operand 81 states and 115 transitions. Second operand 5 states. [2020-11-29 20:19:49,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:19:49,335 INFO L93 Difference]: Finished difference Result 385 states and 558 transitions. [2020-11-29 20:19:49,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-29 20:19:49,336 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-11-29 20:19:49,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:19:49,339 INFO L225 Difference]: With dead ends: 385 [2020-11-29 20:19:49,339 INFO L226 Difference]: Without dead ends: 311 [2020-11-29 20:19:49,340 INFO L677 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 [2020-11-29 20:19:49,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2020-11-29 20:19:49,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 147. [2020-11-29 20:19:49,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2020-11-29 20:19:49,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 208 transitions. [2020-11-29 20:19:49,366 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 208 transitions. Word has length 33 [2020-11-29 20:19:49,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:19:49,367 INFO L481 AbstractCegarLoop]: Abstraction has 147 states and 208 transitions. [2020-11-29 20:19:49,367 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 20:19:49,367 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 208 transitions. [2020-11-29 20:19:49,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-29 20:19:49,376 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:19:49,376 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:19:49,376 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-29 20:19:49,377 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:19:49,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:19:49,378 INFO L82 PathProgramCache]: Analyzing trace with hash 1709464728, now seen corresponding path program 1 times [2020-11-29 20:19:49,378 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:19:49,378 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507218933] [2020-11-29 20:19:49,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:19:49,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:19:49,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:19:49,500 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507218933] [2020-11-29 20:19:49,500 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:19:49,500 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 20:19:49,500 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853980512] [2020-11-29 20:19:49,501 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 20:19:49,501 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:19:49,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 20:19:49,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 20:19:49,501 INFO L87 Difference]: Start difference. First operand 147 states and 208 transitions. Second operand 5 states. [2020-11-29 20:19:49,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:19:49,678 INFO L93 Difference]: Finished difference Result 550 states and 785 transitions. [2020-11-29 20:19:49,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-29 20:19:49,678 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-11-29 20:19:49,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:19:49,681 INFO L225 Difference]: With dead ends: 550 [2020-11-29 20:19:49,681 INFO L226 Difference]: Without dead ends: 410 [2020-11-29 20:19:49,682 INFO L677 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 [2020-11-29 20:19:49,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2020-11-29 20:19:49,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 146. [2020-11-29 20:19:49,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2020-11-29 20:19:49,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 205 transitions. [2020-11-29 20:19:49,713 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 205 transitions. Word has length 34 [2020-11-29 20:19:49,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:19:49,721 INFO L481 AbstractCegarLoop]: Abstraction has 146 states and 205 transitions. [2020-11-29 20:19:49,721 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 20:19:49,721 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 205 transitions. [2020-11-29 20:19:49,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-29 20:19:49,722 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:19:49,722 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:19:49,722 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-29 20:19:49,722 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:19:49,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:19:49,722 INFO L82 PathProgramCache]: Analyzing trace with hash 776001019, now seen corresponding path program 1 times [2020-11-29 20:19:49,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:19:49,723 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746146865] [2020-11-29 20:19:49,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:19:49,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:19:49,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:19:49,788 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746146865] [2020-11-29 20:19:49,788 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:19:49,789 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-29 20:19:49,789 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762288911] [2020-11-29 20:19:49,789 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-29 20:19:49,789 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:19:49,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 20:19:49,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 20:19:49,790 INFO L87 Difference]: Start difference. First operand 146 states and 205 transitions. Second operand 5 states. [2020-11-29 20:19:49,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:19:49,894 INFO L93 Difference]: Finished difference Result 381 states and 529 transitions. [2020-11-29 20:19:49,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-29 20:19:49,894 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-11-29 20:19:49,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:19:49,896 INFO L225 Difference]: With dead ends: 381 [2020-11-29 20:19:49,897 INFO L226 Difference]: Without dead ends: 242 [2020-11-29 20:19:49,897 INFO L677 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 [2020-11-29 20:19:49,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2020-11-29 20:19:49,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 164. [2020-11-29 20:19:49,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2020-11-29 20:19:49,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 223 transitions. [2020-11-29 20:19:49,916 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 223 transitions. Word has length 34 [2020-11-29 20:19:49,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:19:49,917 INFO L481 AbstractCegarLoop]: Abstraction has 164 states and 223 transitions. [2020-11-29 20:19:49,918 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-29 20:19:49,918 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 223 transitions. [2020-11-29 20:19:49,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-29 20:19:49,920 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:19:49,920 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:19:49,921 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-29 20:19:49,921 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:19:49,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:19:49,921 INFO L82 PathProgramCache]: Analyzing trace with hash 1477065597, now seen corresponding path program 1 times [2020-11-29 20:19:49,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:19:49,922 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54978355] [2020-11-29 20:19:49,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:19:49,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:19:49,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:19:49,982 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54978355] [2020-11-29 20:19:49,982 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:19:49,982 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 20:19:49,982 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859356696] [2020-11-29 20:19:49,983 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 20:19:49,983 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:19:49,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 20:19:49,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-29 20:19:49,984 INFO L87 Difference]: Start difference. First operand 164 states and 223 transitions. Second operand 4 states. [2020-11-29 20:19:50,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:19:50,051 INFO L93 Difference]: Finished difference Result 391 states and 527 transitions. [2020-11-29 20:19:50,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 20:19:50,052 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2020-11-29 20:19:50,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:19:50,054 INFO L225 Difference]: With dead ends: 391 [2020-11-29 20:19:50,054 INFO L226 Difference]: Without dead ends: 234 [2020-11-29 20:19:50,055 INFO L677 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 [2020-11-29 20:19:50,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2020-11-29 20:19:50,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 176. [2020-11-29 20:19:50,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2020-11-29 20:19:50,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 235 transitions. [2020-11-29 20:19:50,078 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 235 transitions. Word has length 34 [2020-11-29 20:19:50,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:19:50,080 INFO L481 AbstractCegarLoop]: Abstraction has 176 states and 235 transitions. [2020-11-29 20:19:50,080 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 20:19:50,080 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 235 transitions. [2020-11-29 20:19:50,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-29 20:19:50,082 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:19:50,082 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:19:50,082 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-29 20:19:50,083 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:19:50,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:19:50,084 INFO L82 PathProgramCache]: Analyzing trace with hash 890259583, now seen corresponding path program 1 times [2020-11-29 20:19:50,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:19:50,085 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866580648] [2020-11-29 20:19:50,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:19:50,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:19:50,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:19:50,158 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866580648] [2020-11-29 20:19:50,158 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:19:50,159 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 20:19:50,159 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624331934] [2020-11-29 20:19:50,159 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:19:50,159 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:19:50,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:19:50,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:19:50,160 INFO L87 Difference]: Start difference. First operand 176 states and 235 transitions. Second operand 3 states. [2020-11-29 20:19:50,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:19:50,206 INFO L93 Difference]: Finished difference Result 397 states and 529 transitions. [2020-11-29 20:19:50,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:19:50,206 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-11-29 20:19:50,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:19:50,208 INFO L225 Difference]: With dead ends: 397 [2020-11-29 20:19:50,208 INFO L226 Difference]: Without dead ends: 228 [2020-11-29 20:19:50,209 INFO L677 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 [2020-11-29 20:19:50,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2020-11-29 20:19:50,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2020-11-29 20:19:50,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2020-11-29 20:19:50,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 297 transitions. [2020-11-29 20:19:50,233 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 297 transitions. Word has length 34 [2020-11-29 20:19:50,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:19:50,234 INFO L481 AbstractCegarLoop]: Abstraction has 228 states and 297 transitions. [2020-11-29 20:19:50,234 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:19:50,234 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 297 transitions. [2020-11-29 20:19:50,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-29 20:19:50,235 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:19:50,236 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:19:50,236 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-29 20:19:50,236 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:19:50,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:19:50,237 INFO L82 PathProgramCache]: Analyzing trace with hash -505686593, now seen corresponding path program 1 times [2020-11-29 20:19:50,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:19:50,237 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758141896] [2020-11-29 20:19:50,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:19:50,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:19:50,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:19:50,312 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758141896] [2020-11-29 20:19:50,312 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:19:50,313 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:19:50,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519240302] [2020-11-29 20:19:50,313 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:19:50,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:19:50,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:19:50,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:19:50,314 INFO L87 Difference]: Start difference. First operand 228 states and 297 transitions. Second operand 3 states. [2020-11-29 20:19:50,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:19:50,367 INFO L93 Difference]: Finished difference Result 365 states and 479 transitions. [2020-11-29 20:19:50,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:19:50,373 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35 [2020-11-29 20:19:50,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:19:50,375 INFO L225 Difference]: With dead ends: 365 [2020-11-29 20:19:50,376 INFO L226 Difference]: Without dead ends: 363 [2020-11-29 20:19:50,376 INFO L677 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 [2020-11-29 20:19:50,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2020-11-29 20:19:50,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 282. [2020-11-29 20:19:50,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-11-29 20:19:50,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 376 transitions. [2020-11-29 20:19:50,407 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 376 transitions. Word has length 35 [2020-11-29 20:19:50,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:19:50,407 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 376 transitions. [2020-11-29 20:19:50,407 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:19:50,407 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 376 transitions. [2020-11-29 20:19:50,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-29 20:19:50,409 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:19:50,409 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:19:50,409 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-29 20:19:50,410 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:19:50,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:19:50,410 INFO L82 PathProgramCache]: Analyzing trace with hash -1690924009, now seen corresponding path program 1 times [2020-11-29 20:19:50,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:19:50,411 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386178195] [2020-11-29 20:19:50,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:19:50,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:19:50,493 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:19:50,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386178195] [2020-11-29 20:19:50,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1181671004] [2020-11-29 20:19:50,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_be2d24d1-f0f2-48d7-9768-073357b4c2d5/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 [2020-11-29 20:19:50,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:19:50,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 20:19:50,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:19:50,753 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:19:50,756 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 20:19:50,756 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-11-29 20:19:50,757 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326434916] [2020-11-29 20:19:50,757 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-29 20:19:50,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:19:50,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:19:50,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 20:19:50,764 INFO L87 Difference]: Start difference. First operand 282 states and 376 transitions. Second operand 3 states. [2020-11-29 20:19:50,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:19:50,885 INFO L93 Difference]: Finished difference Result 436 states and 593 transitions. [2020-11-29 20:19:50,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:19:50,886 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-11-29 20:19:50,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:19:50,887 INFO L225 Difference]: With dead ends: 436 [2020-11-29 20:19:50,888 INFO L226 Difference]: Without dead ends: 213 [2020-11-29 20:19:50,888 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-29 20:19:50,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2020-11-29 20:19:50,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2020-11-29 20:19:50,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2020-11-29 20:19:50,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 274 transitions. [2020-11-29 20:19:50,929 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 274 transitions. Word has length 60 [2020-11-29 20:19:50,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:19:50,931 INFO L481 AbstractCegarLoop]: Abstraction has 213 states and 274 transitions. [2020-11-29 20:19:50,931 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-29 20:19:50,931 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 274 transitions. [2020-11-29 20:19:50,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-11-29 20:19:50,932 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 20:19:50,932 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:19:51,147 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-11-29 20:19:51,148 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 20:19:51,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:19:51,148 INFO L82 PathProgramCache]: Analyzing trace with hash 797436164, now seen corresponding path program 1 times [2020-11-29 20:19:51,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:19:51,148 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286336037] [2020-11-29 20:19:51,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:19:51,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:19:51,259 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 20:19:51,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286336037] [2020-11-29 20:19:51,260 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [214156662] [2020-11-29 20:19:51,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_be2d24d1-f0f2-48d7-9768-073357b4c2d5/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-29 20:19:51,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:19:51,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-29 20:19:51,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 20:19:51,553 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-29 20:19:51,554 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-29 20:19:51,554 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2020-11-29 20:19:51,554 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273845294] [2020-11-29 20:19:51,554 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-29 20:19:51,555 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:19:51,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-29 20:19:51,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2020-11-29 20:19:51,555 INFO L87 Difference]: Start difference. First operand 213 states and 274 transitions. Second operand 6 states. [2020-11-29 20:19:51,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:19:51,883 INFO L93 Difference]: Finished difference Result 678 states and 879 transitions. [2020-11-29 20:19:51,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-29 20:19:51,884 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2020-11-29 20:19:51,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 20:19:51,884 INFO L225 Difference]: With dead ends: 678 [2020-11-29 20:19:51,885 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 20:19:51,886 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2020-11-29 20:19:51,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 20:19:51,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 20:19:51,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 20:19:51,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 20:19:51,887 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2020-11-29 20:19:51,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 20:19:51,887 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 20:19:51,887 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-29 20:19:51,888 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 20:19:51,888 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 20:19:52,111 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-11-29 20:19:52,113 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 20:19:52,398 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 72 [2020-11-29 20:19:52,531 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 78 [2020-11-29 20:19:53,180 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 27 [2020-11-29 20:19:53,472 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 27 [2020-11-29 20:19:53,866 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 21 [2020-11-29 20:19:54,272 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 24 [2020-11-29 20:19:54,699 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 23 [2020-11-29 20:19:54,909 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 24 [2020-11-29 20:19:55,132 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 24 [2020-11-29 20:19:55,389 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 19 [2020-11-29 20:19:55,778 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 22 [2020-11-29 20:19:55,782 INFO L270 CegarLoopResult]: At program point L960(lines 955 963) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 20:19:55,782 INFO L270 CegarLoopResult]: At program point L960-1(lines 955 963) the Hoare annotation is: false [2020-11-29 20:19:55,782 INFO L270 CegarLoopResult]: At program point L960-2(lines 955 963) the Hoare annotation is: false [2020-11-29 20:19:55,782 INFO L270 CegarLoopResult]: At program point L960-3(lines 955 963) the Hoare annotation is: false [2020-11-29 20:19:55,782 INFO L270 CegarLoopResult]: At program point L960-4(lines 955 963) the Hoare annotation is: false [2020-11-29 20:19:55,782 INFO L270 CegarLoopResult]: At program point L960-5(lines 955 963) the Hoare annotation is: false [2020-11-29 20:19:55,782 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 20:19:55,783 INFO L274 CegarLoopResult]: For program point L597(lines 597 610) no Hoare annotation was computed. [2020-11-29 20:19:55,783 INFO L274 CegarLoopResult]: For program point L168(lines 168 185) no Hoare annotation was computed. [2020-11-29 20:19:55,783 INFO L270 CegarLoopResult]: At program point L168-1(lines 1 1007) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= ~methAndRunningLastTime~0 0))) (or (and (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~1 0) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse3 .cse4) (and .cse0 .cse1 .cse3 .cse5 .cse6) (and .cse1 .cse2 .cse7 .cse3 .cse4) (and .cse1 .cse7 .cse3 .cse5 .cse6 .cse4))) [2020-11-29 20:19:55,783 INFO L274 CegarLoopResult]: For program point L168-2(lines 168 185) no Hoare annotation was computed. [2020-11-29 20:19:55,783 INFO L270 CegarLoopResult]: At program point L168-3(lines 1 1007) the Hoare annotation is: false [2020-11-29 20:19:55,783 INFO L274 CegarLoopResult]: For program point L168-4(lines 168 185) no Hoare annotation was computed. [2020-11-29 20:19:55,783 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-29 20:19:55,783 INFO L270 CegarLoopResult]: At program point L168-5(lines 1 1007) the Hoare annotation is: false [2020-11-29 20:19:55,783 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-29 20:19:55,784 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-29 20:19:55,784 INFO L270 CegarLoopResult]: At program point L829(lines 814 832) the Hoare annotation is: false [2020-11-29 20:19:55,784 INFO L270 CegarLoopResult]: At program point L829-1(lines 814 832) the Hoare annotation is: false [2020-11-29 20:19:55,784 INFO L270 CegarLoopResult]: At program point L829-2(lines 814 832) the Hoare annotation is: false [2020-11-29 20:19:55,784 INFO L270 CegarLoopResult]: At program point L829-3(lines 814 832) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~methaneLevelCritical~0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2) (and (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 0) .cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (= ~methAndRunningLastTime~0 0)))) [2020-11-29 20:19:55,784 INFO L270 CegarLoopResult]: At program point L829-4(lines 814 832) the Hoare annotation is: false [2020-11-29 20:19:55,784 INFO L270 CegarLoopResult]: At program point L829-5(lines 814 832) the Hoare annotation is: false [2020-11-29 20:19:55,784 INFO L270 CegarLoopResult]: At program point L829-6(lines 814 832) the Hoare annotation is: false [2020-11-29 20:19:55,784 INFO L270 CegarLoopResult]: At program point L829-7(lines 814 832) the Hoare annotation is: false [2020-11-29 20:19:55,784 INFO L270 CegarLoopResult]: At program point L829-8(lines 814 832) the Hoare annotation is: false [2020-11-29 20:19:55,785 INFO L270 CegarLoopResult]: At program point L829-9(lines 814 832) the Hoare annotation is: false [2020-11-29 20:19:55,785 INFO L270 CegarLoopResult]: At program point L829-10(lines 814 832) the Hoare annotation is: false [2020-11-29 20:19:55,785 INFO L270 CegarLoopResult]: At program point L829-11(lines 814 832) the Hoare annotation is: false [2020-11-29 20:19:55,785 INFO L270 CegarLoopResult]: At program point L995(lines 990 998) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-11-29 20:19:55,785 INFO L270 CegarLoopResult]: At program point L765(lines 758 768) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse2) (and .cse0 (<= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse1 .cse2 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= 1 ~methaneLevelCritical~0)))) [2020-11-29 20:19:55,785 INFO L270 CegarLoopResult]: At program point L765-1(lines 758 768) the Hoare annotation is: false [2020-11-29 20:19:55,785 INFO L274 CegarLoopResult]: For program point L699(lines 699 707) no Hoare annotation was computed. [2020-11-29 20:19:55,785 INFO L270 CegarLoopResult]: At program point L765-2(lines 758 768) the Hoare annotation is: false [2020-11-29 20:19:55,786 INFO L274 CegarLoopResult]: For program point L699-1(lines 699 707) no Hoare annotation was computed. [2020-11-29 20:19:55,786 INFO L274 CegarLoopResult]: For program point L699-2(lines 699 707) no Hoare annotation was computed. [2020-11-29 20:19:55,786 INFO L274 CegarLoopResult]: For program point L699-3(lines 699 707) no Hoare annotation was computed. [2020-11-29 20:19:55,786 INFO L274 CegarLoopResult]: For program point L699-4(lines 699 707) no Hoare annotation was computed. [2020-11-29 20:19:55,786 INFO L274 CegarLoopResult]: For program point L699-5(lines 699 707) no Hoare annotation was computed. [2020-11-29 20:19:55,786 INFO L270 CegarLoopResult]: At program point L105(lines 101 107) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-11-29 20:19:55,786 INFO L274 CegarLoopResult]: For program point L568(lines 567 614) no Hoare annotation was computed. [2020-11-29 20:19:55,786 INFO L274 CegarLoopResult]: For program point L172(lines 172 182) no Hoare annotation was computed. [2020-11-29 20:19:55,786 INFO L274 CegarLoopResult]: For program point L172-2(lines 172 182) no Hoare annotation was computed. [2020-11-29 20:19:55,786 INFO L274 CegarLoopResult]: For program point L172-4(lines 172 182) no Hoare annotation was computed. [2020-11-29 20:19:55,786 INFO L274 CegarLoopResult]: For program point L569(lines 569 573) no Hoare annotation was computed. [2020-11-29 20:19:55,787 INFO L274 CegarLoopResult]: For program point L173(lines 173 179) no Hoare annotation was computed. [2020-11-29 20:19:55,787 INFO L274 CegarLoopResult]: For program point L173-2(lines 173 179) no Hoare annotation was computed. [2020-11-29 20:19:55,787 INFO L274 CegarLoopResult]: For program point L173-4(lines 173 179) no Hoare annotation was computed. [2020-11-29 20:19:55,787 INFO L274 CegarLoopResult]: For program point L669(lines 669 686) no Hoare annotation was computed. [2020-11-29 20:19:55,787 INFO L274 CegarLoopResult]: For program point L669-1(lines 669 686) no Hoare annotation was computed. [2020-11-29 20:19:55,787 INFO L274 CegarLoopResult]: For program point L669-2(lines 669 686) no Hoare annotation was computed. [2020-11-29 20:19:55,787 INFO L274 CegarLoopResult]: For program point L669-3(lines 669 686) no Hoare annotation was computed. [2020-11-29 20:19:55,787 INFO L274 CegarLoopResult]: For program point L669-4(lines 669 686) no Hoare annotation was computed. [2020-11-29 20:19:55,787 INFO L274 CegarLoopResult]: For program point L669-5(lines 669 686) no Hoare annotation was computed. [2020-11-29 20:19:55,787 INFO L274 CegarLoopResult]: For program point L669-6(lines 669 686) no Hoare annotation was computed. [2020-11-29 20:19:55,787 INFO L274 CegarLoopResult]: For program point L669-7(lines 669 686) no Hoare annotation was computed. [2020-11-29 20:19:55,787 INFO L274 CegarLoopResult]: For program point L669-8(lines 669 686) no Hoare annotation was computed. [2020-11-29 20:19:55,788 INFO L274 CegarLoopResult]: For program point L669-9(lines 669 686) no Hoare annotation was computed. [2020-11-29 20:19:55,788 INFO L274 CegarLoopResult]: For program point L669-10(lines 669 686) no Hoare annotation was computed. [2020-11-29 20:19:55,788 INFO L274 CegarLoopResult]: For program point L669-11(lines 669 686) no Hoare annotation was computed. [2020-11-29 20:19:55,788 INFO L274 CegarLoopResult]: For program point L868(lines 868 872) no Hoare annotation was computed. [2020-11-29 20:19:55,788 INFO L274 CegarLoopResult]: For program point L868-3(lines 868 872) no Hoare annotation was computed. [2020-11-29 20:19:55,788 INFO L274 CegarLoopResult]: For program point L868-6(lines 868 872) no Hoare annotation was computed. [2020-11-29 20:19:55,788 INFO L270 CegarLoopResult]: At program point L637(lines 636 655) the Hoare annotation is: (let ((.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse3 .cse5 .cse6) (and .cse4 .cse0 .cse3 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse5) (and .cse4 .cse0 .cse1 .cse3) (and .cse0 .cse2 .cse3 .cse5 .cse6))) [2020-11-29 20:19:55,788 INFO L274 CegarLoopResult]: For program point L637-1(lines 637 643) no Hoare annotation was computed. [2020-11-29 20:19:55,788 INFO L270 CegarLoopResult]: At program point L637-2(lines 636 655) the Hoare annotation is: false [2020-11-29 20:19:55,788 INFO L270 CegarLoopResult]: At program point L637-3(lines 636 655) the Hoare annotation is: false [2020-11-29 20:19:55,789 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 20:19:55,789 INFO L274 CegarLoopResult]: For program point L605(lines 605 609) no Hoare annotation was computed. [2020-11-29 20:19:55,789 INFO L270 CegarLoopResult]: At program point L605-2(lines 637 643) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3) (and .cse0 .cse1 .cse5 .cse2) (and .cse1 .cse5 .cse6 .cse2 .cse4) (and .cse1 .cse6 .cse2 .cse3 .cse4))) [2020-11-29 20:19:55,789 INFO L277 CegarLoopResult]: At program point L143(lines 124 146) the Hoare annotation is: true [2020-11-29 20:19:55,789 INFO L274 CegarLoopResult]: For program point L673(lines 673 681) no Hoare annotation was computed. [2020-11-29 20:19:55,789 INFO L274 CegarLoopResult]: For program point L673-1(lines 673 681) no Hoare annotation was computed. [2020-11-29 20:19:55,789 INFO L274 CegarLoopResult]: For program point L673-2(lines 673 681) no Hoare annotation was computed. [2020-11-29 20:19:55,789 INFO L274 CegarLoopResult]: For program point L673-3(lines 673 681) no Hoare annotation was computed. [2020-11-29 20:19:55,789 INFO L274 CegarLoopResult]: For program point L673-4(lines 673 681) no Hoare annotation was computed. [2020-11-29 20:19:55,789 INFO L274 CegarLoopResult]: For program point L673-5(lines 673 681) no Hoare annotation was computed. [2020-11-29 20:19:55,790 INFO L274 CegarLoopResult]: For program point L673-6(lines 673 681) no Hoare annotation was computed. [2020-11-29 20:19:55,790 INFO L274 CegarLoopResult]: For program point L673-7(lines 673 681) no Hoare annotation was computed. [2020-11-29 20:19:55,790 INFO L274 CegarLoopResult]: For program point L673-8(lines 673 681) no Hoare annotation was computed. [2020-11-29 20:19:55,790 INFO L274 CegarLoopResult]: For program point L673-9(lines 673 681) no Hoare annotation was computed. [2020-11-29 20:19:55,790 INFO L274 CegarLoopResult]: For program point L673-10(lines 673 681) no Hoare annotation was computed. [2020-11-29 20:19:55,790 INFO L274 CegarLoopResult]: For program point L673-11(lines 673 681) no Hoare annotation was computed. [2020-11-29 20:19:55,790 INFO L274 CegarLoopResult]: For program point L1004(line 1004) no Hoare annotation was computed. [2020-11-29 20:19:55,790 INFO L274 CegarLoopResult]: For program point L1004-1(line 1004) no Hoare annotation was computed. [2020-11-29 20:19:55,790 INFO L274 CegarLoopResult]: For program point L1004-2(line 1004) no Hoare annotation was computed. [2020-11-29 20:19:55,790 INFO L270 CegarLoopResult]: At program point L905(lines 900 908) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse2) (and .cse0 .cse1 .cse2 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= 1 ~methaneLevelCritical~0)))) [2020-11-29 20:19:55,791 INFO L270 CegarLoopResult]: At program point L905-1(lines 900 908) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse6 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse4 .cse6 .cse7) (and .cse0 .cse1 .cse4 .cse6 .cse7 (= ~methAndRunningLastTime~0 0)) (and .cse1 .cse2 .cse3 .cse5 .cse4))) [2020-11-29 20:19:55,791 INFO L270 CegarLoopResult]: At program point L905-2(lines 900 908) the Hoare annotation is: false [2020-11-29 20:19:55,791 INFO L270 CegarLoopResult]: At program point L905-3(lines 900 908) the Hoare annotation is: false [2020-11-29 20:19:55,791 INFO L270 CegarLoopResult]: At program point L905-4(lines 900 908) the Hoare annotation is: false [2020-11-29 20:19:55,791 INFO L270 CegarLoopResult]: At program point L905-5(lines 900 908) the Hoare annotation is: false [2020-11-29 20:19:55,791 INFO L270 CegarLoopResult]: At program point L774(lines 769 777) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse3 (<= 1 ~methaneLevelCritical~0))) (or (and .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1 .cse2 .cse3) (and (<= 1 ~pumpRunning~0) .cse0 .cse1 .cse2 .cse3 (= ~methAndRunningLastTime~0 0)))) [2020-11-29 20:19:55,791 INFO L270 CegarLoopResult]: At program point L774-1(lines 769 777) the Hoare annotation is: false [2020-11-29 20:19:55,791 INFO L270 CegarLoopResult]: At program point L774-2(lines 769 777) the Hoare annotation is: false [2020-11-29 20:19:55,791 INFO L274 CegarLoopResult]: For program point L577(lines 577 583) no Hoare annotation was computed. [2020-11-29 20:19:55,791 INFO L270 CegarLoopResult]: At program point L577-1(lines 577 583) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= ~methAndRunningLastTime~0 0))) (or (and (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~1 0) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse3 .cse4) (and .cse0 .cse1 .cse3 .cse5 .cse6) (and .cse1 .cse2 .cse7 .cse3 .cse4) (and .cse1 .cse7 .cse3 .cse5 .cse6 .cse4))) [2020-11-29 20:19:55,792 INFO L274 CegarLoopResult]: For program point L842(lines 842 846) no Hoare annotation was computed. [2020-11-29 20:19:55,792 INFO L274 CegarLoopResult]: For program point L842-2(lines 842 846) no Hoare annotation was computed. [2020-11-29 20:19:55,792 INFO L274 CegarLoopResult]: For program point L842-3(lines 842 846) no Hoare annotation was computed. [2020-11-29 20:19:55,792 INFO L274 CegarLoopResult]: For program point L842-5(lines 842 846) no Hoare annotation was computed. [2020-11-29 20:19:55,792 INFO L270 CegarLoopResult]: At program point L644(lines 644 650) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse3 .cse5 (= ~methAndRunningLastTime~0 0)) (and .cse0 .cse2 .cse3 .cse5) (and .cse4 .cse0 .cse1 .cse3))) [2020-11-29 20:19:55,792 INFO L274 CegarLoopResult]: For program point L842-6(lines 842 846) no Hoare annotation was computed. [2020-11-29 20:19:55,792 INFO L270 CegarLoopResult]: At program point L644-1(lines 644 650) the Hoare annotation is: false [2020-11-29 20:19:55,792 INFO L274 CegarLoopResult]: For program point L842-8(lines 842 846) no Hoare annotation was computed. [2020-11-29 20:19:55,792 INFO L270 CegarLoopResult]: At program point L644-2(lines 644 650) the Hoare annotation is: false [2020-11-29 20:19:55,792 INFO L274 CegarLoopResult]: For program point L842-9(lines 842 846) no Hoare annotation was computed. [2020-11-29 20:19:55,792 INFO L274 CegarLoopResult]: For program point L842-11(lines 842 846) no Hoare annotation was computed. [2020-11-29 20:19:55,792 INFO L274 CegarLoopResult]: For program point L842-12(lines 842 846) no Hoare annotation was computed. [2020-11-29 20:19:55,792 INFO L274 CegarLoopResult]: For program point L842-14(lines 842 846) no Hoare annotation was computed. [2020-11-29 20:19:55,792 INFO L274 CegarLoopResult]: For program point L842-15(lines 842 846) no Hoare annotation was computed. [2020-11-29 20:19:55,792 INFO L274 CegarLoopResult]: For program point L842-17(lines 842 846) no Hoare annotation was computed. [2020-11-29 20:19:55,793 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 20:19:55,793 INFO L274 CegarLoopResult]: For program point L945(lines 945 951) no Hoare annotation was computed. [2020-11-29 20:19:55,793 INFO L274 CegarLoopResult]: For program point L945-1(lines 945 951) no Hoare annotation was computed. [2020-11-29 20:19:55,793 INFO L274 CegarLoopResult]: For program point L945-2(lines 945 951) no Hoare annotation was computed. [2020-11-29 20:19:55,793 INFO L274 CegarLoopResult]: For program point L945-3(lines 945 951) no Hoare annotation was computed. [2020-11-29 20:19:55,793 INFO L274 CegarLoopResult]: For program point L945-4(lines 945 951) no Hoare annotation was computed. [2020-11-29 20:19:55,793 INFO L274 CegarLoopResult]: For program point L945-5(lines 945 951) no Hoare annotation was computed. [2020-11-29 20:19:55,793 INFO L274 CegarLoopResult]: For program point L945-6(lines 945 951) no Hoare annotation was computed. [2020-11-29 20:19:55,793 INFO L274 CegarLoopResult]: For program point L945-7(lines 945 951) no Hoare annotation was computed. [2020-11-29 20:19:55,793 INFO L274 CegarLoopResult]: For program point L945-8(lines 945 951) no Hoare annotation was computed. [2020-11-29 20:19:55,793 INFO L274 CegarLoopResult]: For program point L945-9(lines 945 951) no Hoare annotation was computed. [2020-11-29 20:19:55,794 INFO L270 CegarLoopResult]: At program point L615(lines 566 616) the Hoare annotation is: false [2020-11-29 20:19:55,794 INFO L274 CegarLoopResult]: For program point L945-10(lines 945 951) no Hoare annotation was computed. [2020-11-29 20:19:55,794 INFO L274 CegarLoopResult]: For program point L945-11(lines 945 951) no Hoare annotation was computed. [2020-11-29 20:19:55,794 INFO L270 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2020-11-29 20:19:55,794 INFO L274 CegarLoopResult]: For program point L880(lines 880 884) no Hoare annotation was computed. [2020-11-29 20:19:55,794 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-11-29 20:19:55,794 INFO L270 CegarLoopResult]: At program point L848(lines 833 851) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-29 20:19:55,794 INFO L270 CegarLoopResult]: At program point L848-1(lines 833 851) the Hoare annotation is: false [2020-11-29 20:19:55,794 INFO L270 CegarLoopResult]: At program point L848-2(lines 833 851) the Hoare annotation is: false [2020-11-29 20:19:55,794 INFO L270 CegarLoopResult]: At program point L848-3(lines 833 851) the Hoare annotation is: false [2020-11-29 20:19:55,794 INFO L270 CegarLoopResult]: At program point L848-4(lines 833 851) the Hoare annotation is: false [2020-11-29 20:19:55,794 INFO L270 CegarLoopResult]: At program point L848-5(lines 833 851) the Hoare annotation is: false [2020-11-29 20:19:55,794 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 20:19:55,794 INFO L270 CegarLoopResult]: At program point L157(lines 152 159) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-11-29 20:19:55,795 INFO L274 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-11-29 20:19:55,795 INFO L274 CegarLoopResult]: For program point L58-1(lines 637 643) no Hoare annotation was computed. [2020-11-29 20:19:55,795 INFO L270 CegarLoopResult]: At program point L950(lines 941 954) the Hoare annotation is: false [2020-11-29 20:19:55,795 INFO L270 CegarLoopResult]: At program point L950-1(lines 941 954) the Hoare annotation is: false [2020-11-29 20:19:55,795 INFO L270 CegarLoopResult]: At program point L950-2(lines 941 954) the Hoare annotation is: false [2020-11-29 20:19:55,795 INFO L270 CegarLoopResult]: At program point L950-3(lines 941 954) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~methaneLevelCritical~0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2) (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1)) (and .cse0 .cse1 .cse2 .cse3 (= ~methAndRunningLastTime~0 0)))) [2020-11-29 20:19:55,799 INFO L270 CegarLoopResult]: At program point L950-4(lines 941 954) the Hoare annotation is: false [2020-11-29 20:19:55,799 INFO L270 CegarLoopResult]: At program point L950-5(lines 941 954) the Hoare annotation is: false [2020-11-29 20:19:55,799 INFO L270 CegarLoopResult]: At program point L950-6(lines 941 954) the Hoare annotation is: false [2020-11-29 20:19:55,800 INFO L270 CegarLoopResult]: At program point L950-7(lines 941 954) the Hoare annotation is: false [2020-11-29 20:19:55,800 INFO L270 CegarLoopResult]: At program point L950-8(lines 941 954) the Hoare annotation is: false [2020-11-29 20:19:55,800 INFO L270 CegarLoopResult]: At program point L950-9(lines 941 954) the Hoare annotation is: false [2020-11-29 20:19:55,800 INFO L270 CegarLoopResult]: At program point L950-10(lines 941 954) the Hoare annotation is: false [2020-11-29 20:19:55,800 INFO L274 CegarLoopResult]: For program point L587(lines 587 593) no Hoare annotation was computed. [2020-11-29 20:19:55,800 INFO L270 CegarLoopResult]: At program point L950-11(lines 941 954) the Hoare annotation is: false [2020-11-29 20:19:55,801 INFO L270 CegarLoopResult]: At program point L587-1(lines 587 593) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3) (and .cse0 .cse1 .cse5 .cse2) (and .cse1 .cse5 .cse6 .cse2 .cse4) (and .cse1 .cse6 .cse2 .cse3 .cse4))) [2020-11-29 20:19:55,801 INFO L274 CegarLoopResult]: For program point L721(lines 721 738) no Hoare annotation was computed. [2020-11-29 20:19:55,801 INFO L274 CegarLoopResult]: For program point L721-1(lines 721 738) no Hoare annotation was computed. [2020-11-29 20:19:55,801 INFO L274 CegarLoopResult]: For program point L721-2(lines 721 738) no Hoare annotation was computed. [2020-11-29 20:19:55,801 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 20:19:55,801 INFO L270 CegarLoopResult]: At program point L987(lines 1 1007) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-11-29 20:19:55,801 INFO L274 CegarLoopResult]: For program point L823(lines 823 827) no Hoare annotation was computed. [2020-11-29 20:19:55,802 INFO L274 CegarLoopResult]: For program point L823-2(lines 823 827) no Hoare annotation was computed. [2020-11-29 20:19:55,802 INFO L274 CegarLoopResult]: For program point L823-3(lines 823 827) no Hoare annotation was computed. [2020-11-29 20:19:55,802 INFO L274 CegarLoopResult]: For program point L823-5(lines 823 827) no Hoare annotation was computed. [2020-11-29 20:19:55,802 INFO L274 CegarLoopResult]: For program point L823-6(lines 823 827) no Hoare annotation was computed. [2020-11-29 20:19:55,802 INFO L274 CegarLoopResult]: For program point L823-8(lines 823 827) no Hoare annotation was computed. [2020-11-29 20:19:55,802 INFO L274 CegarLoopResult]: For program point L823-9(lines 823 827) no Hoare annotation was computed. [2020-11-29 20:19:55,802 INFO L274 CegarLoopResult]: For program point L823-11(lines 823 827) no Hoare annotation was computed. [2020-11-29 20:19:55,802 INFO L274 CegarLoopResult]: For program point L823-12(lines 823 827) no Hoare annotation was computed. [2020-11-29 20:19:55,803 INFO L274 CegarLoopResult]: For program point L823-14(lines 823 827) no Hoare annotation was computed. [2020-11-29 20:19:55,803 INFO L274 CegarLoopResult]: For program point L823-15(lines 823 827) no Hoare annotation was computed. [2020-11-29 20:19:55,803 INFO L274 CegarLoopResult]: For program point L823-17(lines 823 827) no Hoare annotation was computed. [2020-11-29 20:19:55,803 INFO L274 CegarLoopResult]: For program point L823-18(lines 823 827) no Hoare annotation was computed. [2020-11-29 20:19:55,803 INFO L274 CegarLoopResult]: For program point L823-20(lines 823 827) no Hoare annotation was computed. [2020-11-29 20:19:55,803 INFO L274 CegarLoopResult]: For program point L823-21(lines 823 827) no Hoare annotation was computed. [2020-11-29 20:19:55,803 INFO L274 CegarLoopResult]: For program point L823-23(lines 823 827) no Hoare annotation was computed. [2020-11-29 20:19:55,804 INFO L274 CegarLoopResult]: For program point L823-24(lines 823 827) no Hoare annotation was computed. [2020-11-29 20:19:55,804 INFO L274 CegarLoopResult]: For program point L823-26(lines 823 827) no Hoare annotation was computed. [2020-11-29 20:19:55,804 INFO L274 CegarLoopResult]: For program point L823-27(lines 823 827) no Hoare annotation was computed. [2020-11-29 20:19:55,804 INFO L274 CegarLoopResult]: For program point L823-29(lines 823 827) no Hoare annotation was computed. [2020-11-29 20:19:55,804 INFO L274 CegarLoopResult]: For program point L823-30(lines 823 827) no Hoare annotation was computed. [2020-11-29 20:19:55,804 INFO L274 CegarLoopResult]: For program point L823-32(lines 823 827) no Hoare annotation was computed. [2020-11-29 20:19:55,804 INFO L274 CegarLoopResult]: For program point L823-33(lines 823 827) no Hoare annotation was computed. [2020-11-29 20:19:55,804 INFO L274 CegarLoopResult]: For program point L725(lines 725 733) no Hoare annotation was computed. [2020-11-29 20:19:55,805 INFO L274 CegarLoopResult]: For program point L725-1(lines 725 733) no Hoare annotation was computed. [2020-11-29 20:19:55,805 INFO L274 CegarLoopResult]: For program point L823-35(lines 823 827) no Hoare annotation was computed. [2020-11-29 20:19:55,805 INFO L274 CegarLoopResult]: For program point L725-2(lines 725 733) no Hoare annotation was computed. [2020-11-29 20:19:55,805 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 20:19:55,805 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-29 20:19:55,806 INFO L274 CegarLoopResult]: For program point L892(lines 892 896) no Hoare annotation was computed. [2020-11-29 20:19:55,806 INFO L274 CegarLoopResult]: For program point L695(lines 695 712) no Hoare annotation was computed. [2020-11-29 20:19:55,806 INFO L274 CegarLoopResult]: For program point L695-1(lines 695 712) no Hoare annotation was computed. [2020-11-29 20:19:55,806 INFO L274 CegarLoopResult]: For program point L695-2(lines 695 712) no Hoare annotation was computed. [2020-11-29 20:19:55,806 INFO L274 CegarLoopResult]: For program point L695-3(lines 695 712) no Hoare annotation was computed. [2020-11-29 20:19:55,807 INFO L274 CegarLoopResult]: For program point L695-4(lines 695 712) no Hoare annotation was computed. [2020-11-29 20:19:55,807 INFO L274 CegarLoopResult]: For program point L695-5(lines 695 712) no Hoare annotation was computed. [2020-11-29 20:19:55,807 INFO L274 CegarLoopResult]: For program point L134(lines 134 141) no Hoare annotation was computed. [2020-11-29 20:19:55,807 INFO L277 CegarLoopResult]: At program point L134-1(lines 134 141) the Hoare annotation is: true [2020-11-29 20:19:55,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 08:19:55 BoogieIcfgContainer [2020-11-29 20:19:55,855 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 20:19:55,856 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 20:19:55,856 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 20:19:55,856 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 20:19:55,857 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:19:47" (3/4) ... [2020-11-29 20:19:55,861 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 20:19:55,892 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-29 20:19:55,894 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-29 20:19:55,896 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-29 20:19:55,898 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-29 20:19:55,900 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-29 20:19:55,901 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 20:19:55,903 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 20:19:55,931 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 0 && 1 <= pumpRunning) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) [2020-11-29 20:19:55,932 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 0 && 1 <= pumpRunning) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) [2020-11-29 20:19:55,933 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical)) || (((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) [2020-11-29 20:19:55,935 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical)) || (((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) [2020-11-29 20:19:55,935 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical)) || (((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) [2020-11-29 20:19:55,937 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical)) || (((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-29 20:19:55,938 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) [2020-11-29 20:19:55,945 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) || (((((1 <= pumpRunning && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) [2020-11-29 20:19:55,946 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) || (((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) [2020-11-29 20:19:55,946 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && \result == 1)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) [2020-11-29 20:19:55,949 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((tmp___0 == 0 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) [2020-11-29 20:19:55,950 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0 [2020-11-29 20:19:55,950 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0 [2020-11-29 20:19:56,070 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_be2d24d1-f0f2-48d7-9768-073357b4c2d5/bin/uautomizer/witness.graphml [2020-11-29 20:19:56,070 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 20:19:56,071 INFO L168 Benchmark]: Toolchain (without parser) took 10495.68 ms. Allocated memory was 115.3 MB in the beginning and 192.9 MB in the end (delta: 77.6 MB). Free memory was 84.8 MB in the beginning and 122.9 MB in the end (delta: -38.1 MB). Peak memory consumption was 39.5 MB. Max. memory is 16.1 GB. [2020-11-29 20:19:56,072 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 86.0 MB. Free memory is still 46.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:19:56,072 INFO L168 Benchmark]: CACSL2BoogieTranslator took 572.68 ms. Allocated memory is still 115.3 MB. Free memory was 84.5 MB in the beginning and 81.2 MB in the end (delta: 3.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 20:19:56,073 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.44 ms. Allocated memory is still 115.3 MB. Free memory was 81.2 MB in the beginning and 76.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 20:19:56,073 INFO L168 Benchmark]: Boogie Preprocessor took 85.40 ms. Allocated memory is still 115.3 MB. Free memory was 76.4 MB in the beginning and 72.9 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:19:56,073 INFO L168 Benchmark]: RCFGBuilder took 1395.39 ms. Allocated memory is still 115.3 MB. Free memory was 72.2 MB in the beginning and 46.6 MB in the end (delta: 25.6 MB). Peak memory consumption was 44.5 MB. Max. memory is 16.1 GB. [2020-11-29 20:19:56,074 INFO L168 Benchmark]: TraceAbstraction took 8133.10 ms. Allocated memory was 115.3 MB in the beginning and 192.9 MB in the end (delta: 77.6 MB). Free memory was 45.9 MB in the beginning and 138.7 MB in the end (delta: -92.7 MB). Peak memory consumption was 72.7 MB. Max. memory is 16.1 GB. [2020-11-29 20:19:56,074 INFO L168 Benchmark]: Witness Printer took 214.05 ms. Allocated memory is still 192.9 MB. Free memory was 138.7 MB in the beginning and 122.9 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-29 20:19:56,076 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 86.0 MB. Free memory is still 46.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 572.68 ms. Allocated memory is still 115.3 MB. Free memory was 84.5 MB in the beginning and 81.2 MB in the end (delta: 3.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 88.44 ms. Allocated memory is still 115.3 MB. Free memory was 81.2 MB in the beginning and 76.4 MB in the end (delta: 4.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 85.40 ms. Allocated memory is still 115.3 MB. Free memory was 76.4 MB in the beginning and 72.9 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1395.39 ms. Allocated memory is still 115.3 MB. Free memory was 72.2 MB in the beginning and 46.6 MB in the end (delta: 25.6 MB). Peak memory consumption was 44.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 8133.10 ms. Allocated memory was 115.3 MB in the beginning and 192.9 MB in the end (delta: 77.6 MB). Free memory was 45.9 MB in the beginning and 138.7 MB in the end (delta: -92.7 MB). Peak memory consumption was 72.7 MB. Max. memory is 16.1 GB. * Witness Printer took 214.05 ms. Allocated memory is still 192.9 MB. Free memory was 138.7 MB in the beginning and 122.9 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 3]: 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: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 833]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 833]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 833]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((tmp == 0 && 1 <= pumpRunning) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 833]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: ((((((((tmp == 0 && 1 <= pumpRunning) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 833]: Loop Invariant Derived loop invariant: (((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0 - InvariantResult [Line: 833]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 644]: Loop Invariant Derived loop invariant: (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0)) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical)) || (((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) - InvariantResult [Line: 990]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 644]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 644]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 636]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical)) || (((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) || (((((1 <= pumpRunning && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) - InvariantResult [Line: 566]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 636]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 636]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 900]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 900]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) - InvariantResult [Line: 955]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 900]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical)) || (((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 955]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 900]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 955]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 900]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 637]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical)) || (((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) - InvariantResult [Line: 955]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 900]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 769]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 955]: Loop Invariant Derived loop invariant: (((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0 - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical)) || (((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) - InvariantResult [Line: 955]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && \result == 1)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 769]: Loop Invariant Derived loop invariant: (((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) || (((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 769]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((tmp___0 == 0 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 196 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.2s, OverallIterations: 12, TraceHistogramMax: 2, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1483 SDtfs, 1398 SDslu, 1887 SDs, 0 SdLazy, 269 SolverSat, 65 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 189 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=282occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 647 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 68 LocationsWithAnnotation, 68 PreInvPairs, 254 NumberOfFragments, 852 HoareAnnotationTreeSize, 68 FomulaSimplifications, 105862 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 68 FomulaSimplificationsInter, 17195 FormulaSimplificationTreeSizeReductionInter, 2.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 538 NumberOfCodeBlocks, 538 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 524 ConstructedInterpolants, 0 QuantifiedInterpolants, 46567 SizeOfPredicates, 7 NumberOfNonLiveVariables, 916 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 79/84 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...