./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product60.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_4b4cb2af-c0ba-4961-975d-a10438f17b81/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_4b4cb2af-c0ba-4961-975d-a10438f17b81/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4b4cb2af-c0ba-4961-975d-a10438f17b81/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4b4cb2af-c0ba-4961-975d-a10438f17b81/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4b4cb2af-c0ba-4961-975d-a10438f17b81/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4b4cb2af-c0ba-4961-975d-a10438f17b81/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 d3ca886cbb93ac9ab3a93e98b7567227967813c9 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 02:56:28,233 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 02:56:28,236 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 02:56:28,316 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 02:56:28,317 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 02:56:28,323 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 02:56:28,326 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 02:56:28,331 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 02:56:28,334 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 02:56:28,341 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 02:56:28,342 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 02:56:28,345 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 02:56:28,345 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 02:56:28,348 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 02:56:28,350 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 02:56:28,351 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 02:56:28,352 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 02:56:28,353 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 02:56:28,355 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 02:56:28,366 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 02:56:28,368 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 02:56:28,369 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 02:56:28,372 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 02:56:28,373 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 02:56:28,382 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 02:56:28,383 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 02:56:28,383 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 02:56:28,385 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 02:56:28,386 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 02:56:28,387 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 02:56:28,388 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 02:56:28,389 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 02:56:28,391 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 02:56:28,392 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 02:56:28,393 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 02:56:28,393 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 02:56:28,394 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 02:56:28,394 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 02:56:28,395 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 02:56:28,396 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 02:56:28,398 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 02:56:28,400 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4b4cb2af-c0ba-4961-975d-a10438f17b81/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 02:56:28,435 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 02:56:28,435 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 02:56:28,437 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 02:56:28,437 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 02:56:28,437 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 02:56:28,438 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 02:56:28,438 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 02:56:28,438 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 02:56:28,439 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 02:56:28,439 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 02:56:28,439 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 02:56:28,439 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 02:56:28,439 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 02:56:28,440 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 02:56:28,440 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 02:56:28,440 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 02:56:28,440 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 02:56:28,441 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 02:56:28,441 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 02:56:28,441 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 02:56:28,441 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 02:56:28,442 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 02:56:28,442 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 02:56:28,442 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 02:56:28,442 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 02:56:28,443 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 02:56:28,443 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 02:56:28,443 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 02:56:28,443 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 02:56:28,444 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_4b4cb2af-c0ba-4961-975d-a10438f17b81/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4b4cb2af-c0ba-4961-975d-a10438f17b81/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3ca886cbb93ac9ab3a93e98b7567227967813c9 [2020-11-28 02:56:28,761 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 02:56:28,785 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 02:56:28,788 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 02:56:28,790 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 02:56:28,796 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 02:56:28,797 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4b4cb2af-c0ba-4961-975d-a10438f17b81/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c [2020-11-28 02:56:28,888 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4b4cb2af-c0ba-4961-975d-a10438f17b81/bin/uautomizer/data/5b5c4a741/a861463dd32347aa8c0b0f4caa7d475a/FLAGab8e0083d [2020-11-28 02:56:29,517 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 02:56:29,518 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4b4cb2af-c0ba-4961-975d-a10438f17b81/sv-benchmarks/c/product-lines/minepump_spec2_product60.cil.c [2020-11-28 02:56:29,532 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4b4cb2af-c0ba-4961-975d-a10438f17b81/bin/uautomizer/data/5b5c4a741/a861463dd32347aa8c0b0f4caa7d475a/FLAGab8e0083d [2020-11-28 02:56:29,833 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4b4cb2af-c0ba-4961-975d-a10438f17b81/bin/uautomizer/data/5b5c4a741/a861463dd32347aa8c0b0f4caa7d475a [2020-11-28 02:56:29,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 02:56:29,838 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 02:56:29,852 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 02:56:29,852 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 02:56:29,855 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 02:56:29,856 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:56:29" (1/1) ... [2020-11-28 02:56:29,859 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50e74f28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:29, skipping insertion in model container [2020-11-28 02:56:29,859 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:56:29" (1/1) ... [2020-11-28 02:56:29,867 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 02:56:29,936 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 02:56:30,287 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:56:30,297 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 02:56:30,379 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:56:30,417 INFO L208 MainTranslator]: Completed translation [2020-11-28 02:56:30,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:30 WrapperNode [2020-11-28 02:56:30,418 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 02:56:30,422 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 02:56:30,422 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 02:56:30,422 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 02:56:30,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:30" (1/1) ... [2020-11-28 02:56:30,447 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:30" (1/1) ... [2020-11-28 02:56:30,517 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 02:56:30,527 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 02:56:30,528 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 02:56:30,529 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 02:56:30,537 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:30" (1/1) ... [2020-11-28 02:56:30,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:30" (1/1) ... [2020-11-28 02:56:30,559 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:30" (1/1) ... [2020-11-28 02:56:30,567 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:30" (1/1) ... [2020-11-28 02:56:30,586 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:30" (1/1) ... [2020-11-28 02:56:30,607 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:30" (1/1) ... [2020-11-28 02:56:30,622 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:30" (1/1) ... [2020-11-28 02:56:30,627 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 02:56:30,628 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 02:56:30,628 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 02:56:30,629 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 02:56:30,632 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4b4cb2af-c0ba-4961-975d-a10438f17b81/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 [2020-11-28 02:56:30,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 02:56:30,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 02:56:30,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 02:56:30,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 02:56:32,120 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 02:56:32,121 INFO L298 CfgBuilder]: Removed 206 assume(true) statements. [2020-11-28 02:56:32,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:56:32 BoogieIcfgContainer [2020-11-28 02:56:32,123 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 02:56:32,125 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 02:56:32,125 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 02:56:32,128 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 02:56:32,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:56:29" (1/3) ... [2020-11-28 02:56:32,129 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bf3a80b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:56:32, skipping insertion in model container [2020-11-28 02:56:32,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:56:30" (2/3) ... [2020-11-28 02:56:32,130 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bf3a80b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:56:32, skipping insertion in model container [2020-11-28 02:56:32,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:56:32" (3/3) ... [2020-11-28 02:56:32,131 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product60.cil.c [2020-11-28 02:56:32,142 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 02:56:32,147 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-28 02:56:32,158 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 02:56:32,178 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 02:56:32,178 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 02:56:32,178 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 02:56:32,178 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 02:56:32,178 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 02:56:32,178 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 02:56:32,178 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 02:56:32,179 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 02:56:32,196 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states. [2020-11-28 02:56:32,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 02:56:32,201 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:32,202 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:56:32,202 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:32,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:32,206 INFO L82 PathProgramCache]: Analyzing trace with hash -1069395198, now seen corresponding path program 1 times [2020-11-28 02:56:32,213 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:32,213 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922982241] [2020-11-28 02:56:32,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:32,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:32,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:56:32,433 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922982241] [2020-11-28 02:56:32,434 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:32,434 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:56:32,435 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123683159] [2020-11-28 02:56:32,439 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 02:56:32,439 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:32,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 02:56:32,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 02:56:32,454 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 2 states. [2020-11-28 02:56:32,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:32,488 INFO L93 Difference]: Finished difference Result 278 states and 417 transitions. [2020-11-28 02:56:32,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 02:56:32,490 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-28 02:56:32,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:32,500 INFO L225 Difference]: With dead ends: 278 [2020-11-28 02:56:32,501 INFO L226 Difference]: Without dead ends: 137 [2020-11-28 02:56:32,504 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 [2020-11-28 02:56:32,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-11-28 02:56:32,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2020-11-28 02:56:32,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2020-11-28 02:56:32,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 199 transitions. [2020-11-28 02:56:32,549 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 199 transitions. Word has length 18 [2020-11-28 02:56:32,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:32,550 INFO L481 AbstractCegarLoop]: Abstraction has 137 states and 199 transitions. [2020-11-28 02:56:32,550 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 02:56:32,550 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 199 transitions. [2020-11-28 02:56:32,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-28 02:56:32,551 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:32,551 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:56:32,552 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 02:56:32,552 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:32,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:32,553 INFO L82 PathProgramCache]: Analyzing trace with hash -1796987997, now seen corresponding path program 1 times [2020-11-28 02:56:32,553 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:32,553 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711604462] [2020-11-28 02:56:32,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:32,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:32,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:56:32,720 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711604462] [2020-11-28 02:56:32,720 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:32,720 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:56:32,720 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518414561] [2020-11-28 02:56:32,721 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:56:32,722 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:32,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:56:32,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:56:32,723 INFO L87 Difference]: Start difference. First operand 137 states and 199 transitions. Second operand 3 states. [2020-11-28 02:56:32,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:32,744 INFO L93 Difference]: Finished difference Result 137 states and 199 transitions. [2020-11-28 02:56:32,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:56:32,745 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-11-28 02:56:32,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:32,749 INFO L225 Difference]: With dead ends: 137 [2020-11-28 02:56:32,749 INFO L226 Difference]: Without dead ends: 57 [2020-11-28 02:56:32,751 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 [2020-11-28 02:56:32,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-11-28 02:56:32,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2020-11-28 02:56:32,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-11-28 02:56:32,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 82 transitions. [2020-11-28 02:56:32,757 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 82 transitions. Word has length 19 [2020-11-28 02:56:32,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:32,758 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 82 transitions. [2020-11-28 02:56:32,758 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:56:32,758 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 82 transitions. [2020-11-28 02:56:32,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 02:56:32,761 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:32,762 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] [2020-11-28 02:56:32,762 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 02:56:32,763 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:32,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:32,765 INFO L82 PathProgramCache]: Analyzing trace with hash -1540902592, now seen corresponding path program 1 times [2020-11-28 02:56:32,766 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:32,767 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531871834] [2020-11-28 02:56:32,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:32,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:32,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:56:32,911 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531871834] [2020-11-28 02:56:32,911 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:32,911 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:56:32,912 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478834203] [2020-11-28 02:56:32,912 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:56:32,912 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:32,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:56:32,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:56:32,913 INFO L87 Difference]: Start difference. First operand 57 states and 82 transitions. Second operand 3 states. [2020-11-28 02:56:32,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:32,962 INFO L93 Difference]: Finished difference Result 157 states and 232 transitions. [2020-11-28 02:56:32,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:56:32,964 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-28 02:56:32,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:32,966 INFO L225 Difference]: With dead ends: 157 [2020-11-28 02:56:32,966 INFO L226 Difference]: Without dead ends: 107 [2020-11-28 02:56:32,966 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 [2020-11-28 02:56:32,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-11-28 02:56:32,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 103. [2020-11-28 02:56:32,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-11-28 02:56:32,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 152 transitions. [2020-11-28 02:56:32,984 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 152 transitions. Word has length 24 [2020-11-28 02:56:32,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:32,985 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 152 transitions. [2020-11-28 02:56:32,985 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:56:32,985 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 152 transitions. [2020-11-28 02:56:32,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 02:56:32,986 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:32,986 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] [2020-11-28 02:56:32,987 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 02:56:32,987 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:32,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:32,987 INFO L82 PathProgramCache]: Analyzing trace with hash 2071903209, now seen corresponding path program 1 times [2020-11-28 02:56:32,988 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:32,988 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574931883] [2020-11-28 02:56:32,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:33,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:33,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:56:33,081 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574931883] [2020-11-28 02:56:33,081 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:33,081 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:56:33,082 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443157458] [2020-11-28 02:56:33,082 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:56:33,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:33,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:56:33,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:56:33,083 INFO L87 Difference]: Start difference. First operand 103 states and 152 transitions. Second operand 3 states. [2020-11-28 02:56:33,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:33,144 INFO L93 Difference]: Finished difference Result 242 states and 363 transitions. [2020-11-28 02:56:33,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:56:33,147 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-11-28 02:56:33,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:33,149 INFO L225 Difference]: With dead ends: 242 [2020-11-28 02:56:33,149 INFO L226 Difference]: Without dead ends: 146 [2020-11-28 02:56:33,150 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 [2020-11-28 02:56:33,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-11-28 02:56:33,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 144. [2020-11-28 02:56:33,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-11-28 02:56:33,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 210 transitions. [2020-11-28 02:56:33,179 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 210 transitions. Word has length 26 [2020-11-28 02:56:33,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:33,180 INFO L481 AbstractCegarLoop]: Abstraction has 144 states and 210 transitions. [2020-11-28 02:56:33,180 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:56:33,180 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 210 transitions. [2020-11-28 02:56:33,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 02:56:33,181 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:33,181 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] [2020-11-28 02:56:33,181 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 02:56:33,182 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:33,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:33,182 INFO L82 PathProgramCache]: Analyzing trace with hash 917787529, now seen corresponding path program 1 times [2020-11-28 02:56:33,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:33,183 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230145157] [2020-11-28 02:56:33,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:33,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:33,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:56:33,315 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230145157] [2020-11-28 02:56:33,315 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:33,315 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 02:56:33,315 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683564407] [2020-11-28 02:56:33,316 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 02:56:33,316 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:33,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 02:56:33,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:56:33,317 INFO L87 Difference]: Start difference. First operand 144 states and 210 transitions. Second operand 5 states. [2020-11-28 02:56:33,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:33,492 INFO L93 Difference]: Finished difference Result 756 states and 1115 transitions. [2020-11-28 02:56:33,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-28 02:56:33,495 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-11-28 02:56:33,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:33,500 INFO L225 Difference]: With dead ends: 756 [2020-11-28 02:56:33,500 INFO L226 Difference]: Without dead ends: 619 [2020-11-28 02:56:33,502 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 [2020-11-28 02:56:33,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2020-11-28 02:56:33,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 267. [2020-11-28 02:56:33,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states. [2020-11-28 02:56:33,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 384 transitions. [2020-11-28 02:56:33,571 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 384 transitions. Word has length 27 [2020-11-28 02:56:33,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:33,571 INFO L481 AbstractCegarLoop]: Abstraction has 267 states and 384 transitions. [2020-11-28 02:56:33,572 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 02:56:33,572 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 384 transitions. [2020-11-28 02:56:33,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-28 02:56:33,573 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:33,573 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] [2020-11-28 02:56:33,574 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 02:56:33,574 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:33,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:33,574 INFO L82 PathProgramCache]: Analyzing trace with hash -516357631, now seen corresponding path program 1 times [2020-11-28 02:56:33,575 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:33,575 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83838182] [2020-11-28 02:56:33,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:33,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:33,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:56:33,651 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83838182] [2020-11-28 02:56:33,651 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:33,651 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 02:56:33,651 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964844651] [2020-11-28 02:56:33,651 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 02:56:33,652 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:33,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 02:56:33,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:56:33,653 INFO L87 Difference]: Start difference. First operand 267 states and 384 transitions. Second operand 5 states. [2020-11-28 02:56:33,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:33,837 INFO L93 Difference]: Finished difference Result 1029 states and 1483 transitions. [2020-11-28 02:56:33,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-28 02:56:33,837 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2020-11-28 02:56:33,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:33,842 INFO L225 Difference]: With dead ends: 1029 [2020-11-28 02:56:33,842 INFO L226 Difference]: Without dead ends: 769 [2020-11-28 02:56:33,844 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 [2020-11-28 02:56:33,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2020-11-28 02:56:33,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 265. [2020-11-28 02:56:33,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2020-11-28 02:56:33,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 378 transitions. [2020-11-28 02:56:33,873 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 378 transitions. Word has length 28 [2020-11-28 02:56:33,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:33,873 INFO L481 AbstractCegarLoop]: Abstraction has 265 states and 378 transitions. [2020-11-28 02:56:33,873 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 02:56:33,873 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 378 transitions. [2020-11-28 02:56:33,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-28 02:56:33,875 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:33,875 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, 1] [2020-11-28 02:56:33,875 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-28 02:56:33,876 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:33,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:33,876 INFO L82 PathProgramCache]: Analyzing trace with hash 1801944586, now seen corresponding path program 1 times [2020-11-28 02:56:33,876 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:33,877 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848384959] [2020-11-28 02:56:33,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:33,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:33,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:56:33,972 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848384959] [2020-11-28 02:56:33,972 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:33,972 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 02:56:33,973 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735719859] [2020-11-28 02:56:33,973 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 02:56:33,973 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:33,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 02:56:33,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:56:33,974 INFO L87 Difference]: Start difference. First operand 265 states and 378 transitions. Second operand 5 states. [2020-11-28 02:56:34,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:34,140 INFO L93 Difference]: Finished difference Result 1031 states and 1462 transitions. [2020-11-28 02:56:34,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-28 02:56:34,141 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-11-28 02:56:34,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:34,147 INFO L225 Difference]: With dead ends: 1031 [2020-11-28 02:56:34,148 INFO L226 Difference]: Without dead ends: 773 [2020-11-28 02:56:34,150 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-11-28 02:56:34,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2020-11-28 02:56:34,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 281. [2020-11-28 02:56:34,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2020-11-28 02:56:34,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 394 transitions. [2020-11-28 02:56:34,189 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 394 transitions. Word has length 36 [2020-11-28 02:56:34,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:34,189 INFO L481 AbstractCegarLoop]: Abstraction has 281 states and 394 transitions. [2020-11-28 02:56:34,190 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 02:56:34,190 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 394 transitions. [2020-11-28 02:56:34,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-28 02:56:34,194 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:34,194 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, 1] [2020-11-28 02:56:34,194 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-28 02:56:34,195 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:34,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:34,196 INFO L82 PathProgramCache]: Analyzing trace with hash -1481905460, now seen corresponding path program 1 times [2020-11-28 02:56:34,196 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:34,197 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318105479] [2020-11-28 02:56:34,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:34,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:34,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:56:34,301 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318105479] [2020-11-28 02:56:34,301 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:34,301 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 02:56:34,302 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925768535] [2020-11-28 02:56:34,302 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 02:56:34,302 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:34,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 02:56:34,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:56:34,303 INFO L87 Difference]: Start difference. First operand 281 states and 394 transitions. Second operand 5 states. [2020-11-28 02:56:34,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:34,394 INFO L93 Difference]: Finished difference Result 735 states and 1021 transitions. [2020-11-28 02:56:34,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 02:56:34,394 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-11-28 02:56:34,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:34,397 INFO L225 Difference]: With dead ends: 735 [2020-11-28 02:56:34,397 INFO L226 Difference]: Without dead ends: 461 [2020-11-28 02:56:34,397 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 [2020-11-28 02:56:34,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2020-11-28 02:56:34,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 305. [2020-11-28 02:56:34,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2020-11-28 02:56:34,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 418 transitions. [2020-11-28 02:56:34,426 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 418 transitions. Word has length 36 [2020-11-28 02:56:34,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:34,426 INFO L481 AbstractCegarLoop]: Abstraction has 305 states and 418 transitions. [2020-11-28 02:56:34,427 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 02:56:34,427 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 418 transitions. [2020-11-28 02:56:34,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-28 02:56:34,429 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:34,429 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, 1] [2020-11-28 02:56:34,429 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-28 02:56:34,429 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:34,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:34,430 INFO L82 PathProgramCache]: Analyzing trace with hash 780876232, now seen corresponding path program 1 times [2020-11-28 02:56:34,430 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:34,430 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436805799] [2020-11-28 02:56:34,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:34,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:34,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:56:34,504 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436805799] [2020-11-28 02:56:34,504 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:34,504 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 02:56:34,504 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388641355] [2020-11-28 02:56:34,504 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:56:34,505 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:34,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:56:34,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:56:34,505 INFO L87 Difference]: Start difference. First operand 305 states and 418 transitions. Second operand 3 states. [2020-11-28 02:56:34,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:34,561 INFO L93 Difference]: Finished difference Result 707 states and 963 transitions. [2020-11-28 02:56:34,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:56:34,562 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2020-11-28 02:56:34,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:34,564 INFO L225 Difference]: With dead ends: 707 [2020-11-28 02:56:34,565 INFO L226 Difference]: Without dead ends: 409 [2020-11-28 02:56:34,566 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 [2020-11-28 02:56:34,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2020-11-28 02:56:34,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 409. [2020-11-28 02:56:34,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2020-11-28 02:56:34,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 544 transitions. [2020-11-28 02:56:34,605 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 544 transitions. Word has length 36 [2020-11-28 02:56:34,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:34,607 INFO L481 AbstractCegarLoop]: Abstraction has 409 states and 544 transitions. [2020-11-28 02:56:34,607 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:56:34,607 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 544 transitions. [2020-11-28 02:56:34,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-28 02:56:34,609 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:34,609 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, 1, 1] [2020-11-28 02:56:34,610 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-28 02:56:34,610 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:34,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:34,610 INFO L82 PathProgramCache]: Analyzing trace with hash -693602552, now seen corresponding path program 1 times [2020-11-28 02:56:34,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:34,611 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326180086] [2020-11-28 02:56:34,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:34,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:34,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:56:34,710 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326180086] [2020-11-28 02:56:34,710 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:34,711 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 02:56:34,711 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914601784] [2020-11-28 02:56:34,711 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 02:56:34,711 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:34,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 02:56:34,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-28 02:56:34,712 INFO L87 Difference]: Start difference. First operand 409 states and 544 transitions. Second operand 6 states. [2020-11-28 02:56:35,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:35,014 INFO L93 Difference]: Finished difference Result 1257 states and 1667 transitions. [2020-11-28 02:56:35,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-28 02:56:35,015 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2020-11-28 02:56:35,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:35,020 INFO L225 Difference]: With dead ends: 1257 [2020-11-28 02:56:35,020 INFO L226 Difference]: Without dead ends: 855 [2020-11-28 02:56:35,021 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-11-28 02:56:35,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2020-11-28 02:56:35,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 409. [2020-11-28 02:56:35,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2020-11-28 02:56:35,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 534 transitions. [2020-11-28 02:56:35,069 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 534 transitions. Word has length 37 [2020-11-28 02:56:35,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:35,070 INFO L481 AbstractCegarLoop]: Abstraction has 409 states and 534 transitions. [2020-11-28 02:56:35,070 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 02:56:35,070 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 534 transitions. [2020-11-28 02:56:35,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-11-28 02:56:35,071 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:35,071 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-11-28 02:56:35,072 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-28 02:56:35,072 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:35,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:35,072 INFO L82 PathProgramCache]: Analyzing trace with hash 1077697388, now seen corresponding path program 1 times [2020-11-28 02:56:35,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:35,073 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965101700] [2020-11-28 02:56:35,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:35,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:35,131 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 02:56:35,131 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965101700] [2020-11-28 02:56:35,131 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:35,132 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:56:35,132 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280903771] [2020-11-28 02:56:35,132 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:56:35,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:35,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:56:35,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:56:35,133 INFO L87 Difference]: Start difference. First operand 409 states and 534 transitions. Second operand 3 states. [2020-11-28 02:56:35,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:35,287 INFO L93 Difference]: Finished difference Result 692 states and 901 transitions. [2020-11-28 02:56:35,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:56:35,288 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2020-11-28 02:56:35,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:35,291 INFO L225 Difference]: With dead ends: 692 [2020-11-28 02:56:35,291 INFO L226 Difference]: Without dead ends: 290 [2020-11-28 02:56:35,292 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 [2020-11-28 02:56:35,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2020-11-28 02:56:35,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 282. [2020-11-28 02:56:35,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2020-11-28 02:56:35,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 362 transitions. [2020-11-28 02:56:35,333 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 362 transitions. Word has length 55 [2020-11-28 02:56:35,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:35,334 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 362 transitions. [2020-11-28 02:56:35,334 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:56:35,334 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 362 transitions. [2020-11-28 02:56:35,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-28 02:56:35,336 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:35,336 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:56:35,337 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-28 02:56:35,337 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:35,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:35,337 INFO L82 PathProgramCache]: Analyzing trace with hash 1117244772, now seen corresponding path program 1 times [2020-11-28 02:56:35,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:35,338 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808390994] [2020-11-28 02:56:35,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:35,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:35,409 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:56:35,410 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808390994] [2020-11-28 02:56:35,410 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:35,410 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 02:56:35,410 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086435574] [2020-11-28 02:56:35,412 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 02:56:35,412 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:35,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 02:56:35,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 02:56:35,413 INFO L87 Difference]: Start difference. First operand 282 states and 362 transitions. Second operand 3 states. [2020-11-28 02:56:35,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:35,484 INFO L93 Difference]: Finished difference Result 413 states and 532 transitions. [2020-11-28 02:56:35,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 02:56:35,485 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2020-11-28 02:56:35,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:35,487 INFO L225 Difference]: With dead ends: 413 [2020-11-28 02:56:35,488 INFO L226 Difference]: Without dead ends: 411 [2020-11-28 02:56:35,488 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 [2020-11-28 02:56:35,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2020-11-28 02:56:35,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 308. [2020-11-28 02:56:35,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2020-11-28 02:56:35,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 401 transitions. [2020-11-28 02:56:35,530 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 401 transitions. Word has length 58 [2020-11-28 02:56:35,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:35,531 INFO L481 AbstractCegarLoop]: Abstraction has 308 states and 401 transitions. [2020-11-28 02:56:35,531 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 02:56:35,532 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 401 transitions. [2020-11-28 02:56:35,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-11-28 02:56:35,533 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:35,533 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:56:35,533 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-28 02:56:35,534 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:35,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:35,534 INFO L82 PathProgramCache]: Analyzing trace with hash -1215715229, now seen corresponding path program 1 times [2020-11-28 02:56:35,534 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:35,535 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418486625] [2020-11-28 02:56:35,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:35,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:35,712 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 02:56:35,712 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418486625] [2020-11-28 02:56:35,713 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:35,713 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 02:56:35,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088622229] [2020-11-28 02:56:35,713 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 02:56:35,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:35,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 02:56:35,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-28 02:56:35,714 INFO L87 Difference]: Start difference. First operand 308 states and 401 transitions. Second operand 5 states. [2020-11-28 02:56:35,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:35,963 INFO L93 Difference]: Finished difference Result 845 states and 1129 transitions. [2020-11-28 02:56:35,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 02:56:35,964 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2020-11-28 02:56:35,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:35,968 INFO L225 Difference]: With dead ends: 845 [2020-11-28 02:56:35,968 INFO L226 Difference]: Without dead ends: 632 [2020-11-28 02:56:35,969 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-11-28 02:56:35,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2020-11-28 02:56:36,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 399. [2020-11-28 02:56:36,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2020-11-28 02:56:36,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 526 transitions. [2020-11-28 02:56:36,014 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 526 transitions. Word has length 82 [2020-11-28 02:56:36,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:36,015 INFO L481 AbstractCegarLoop]: Abstraction has 399 states and 526 transitions. [2020-11-28 02:56:36,015 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 02:56:36,015 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 526 transitions. [2020-11-28 02:56:36,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-11-28 02:56:36,016 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:36,016 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:56:36,016 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-28 02:56:36,017 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:36,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:36,017 INFO L82 PathProgramCache]: Analyzing trace with hash 2058183713, now seen corresponding path program 1 times [2020-11-28 02:56:36,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:36,017 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476757128] [2020-11-28 02:56:36,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:36,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:36,100 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:56:36,102 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476757128] [2020-11-28 02:56:36,102 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1517907165] [2020-11-28 02:56:36,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4b4cb2af-c0ba-4961-975d-a10438f17b81/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 [2020-11-28 02:56:36,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:36,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-28 02:56:36,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:56:36,350 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 02:56:36,350 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-28 02:56:36,351 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-11-28 02:56:36,351 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506370470] [2020-11-28 02:56:36,352 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 02:56:36,352 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:36,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 02:56:36,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 02:56:36,353 INFO L87 Difference]: Start difference. First operand 399 states and 526 transitions. Second operand 4 states. [2020-11-28 02:56:36,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:36,715 INFO L93 Difference]: Finished difference Result 1262 states and 1670 transitions. [2020-11-28 02:56:36,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 02:56:36,715 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 82 [2020-11-28 02:56:36,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:36,720 INFO L225 Difference]: With dead ends: 1262 [2020-11-28 02:56:36,721 INFO L226 Difference]: Without dead ends: 867 [2020-11-28 02:56:36,722 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 02:56:36,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 867 states. [2020-11-28 02:56:36,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 867 to 857. [2020-11-28 02:56:36,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 857 states. [2020-11-28 02:56:36,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 857 states and 1120 transitions. [2020-11-28 02:56:36,864 INFO L78 Accepts]: Start accepts. Automaton has 857 states and 1120 transitions. Word has length 82 [2020-11-28 02:56:36,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:36,864 INFO L481 AbstractCegarLoop]: Abstraction has 857 states and 1120 transitions. [2020-11-28 02:56:36,864 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 02:56:36,864 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1120 transitions. [2020-11-28 02:56:36,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-11-28 02:56:36,872 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:36,872 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:56:37,087 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-11-28 02:56:37,087 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:37,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:37,088 INFO L82 PathProgramCache]: Analyzing trace with hash -1610082015, now seen corresponding path program 1 times [2020-11-28 02:56:37,088 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:37,088 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884643436] [2020-11-28 02:56:37,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:37,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:37,168 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-11-28 02:56:37,169 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884643436] [2020-11-28 02:56:37,169 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1759491441] [2020-11-28 02:56:37,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4b4cb2af-c0ba-4961-975d-a10438f17b81/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 [2020-11-28 02:56:37,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:37,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 02:56:37,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 02:56:37,408 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-11-28 02:56:37,408 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 02:56:37,408 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2020-11-28 02:56:37,411 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525526815] [2020-11-28 02:56:37,411 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 02:56:37,412 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:37,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 02:56:37,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-11-28 02:56:37,413 INFO L87 Difference]: Start difference. First operand 857 states and 1120 transitions. Second operand 5 states. [2020-11-28 02:56:37,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:37,561 INFO L93 Difference]: Finished difference Result 1598 states and 2067 transitions. [2020-11-28 02:56:37,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 02:56:37,562 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2020-11-28 02:56:37,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:37,567 INFO L225 Difference]: With dead ends: 1598 [2020-11-28 02:56:37,567 INFO L226 Difference]: Without dead ends: 748 [2020-11-28 02:56:37,571 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-11-28 02:56:37,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2020-11-28 02:56:37,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 404. [2020-11-28 02:56:37,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 404 states. [2020-11-28 02:56:37,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 511 transitions. [2020-11-28 02:56:37,632 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 511 transitions. Word has length 82 [2020-11-28 02:56:37,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:37,632 INFO L481 AbstractCegarLoop]: Abstraction has 404 states and 511 transitions. [2020-11-28 02:56:37,632 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 02:56:37,632 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 511 transitions. [2020-11-28 02:56:37,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-11-28 02:56:37,634 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 02:56:37,634 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 02:56:37,863 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-11-28 02:56:37,863 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 02:56:37,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:56:37,864 INFO L82 PathProgramCache]: Analyzing trace with hash 779021313, now seen corresponding path program 2 times [2020-11-28 02:56:37,864 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:56:37,864 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112480240] [2020-11-28 02:56:37,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:56:37,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 02:56:38,045 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-28 02:56:38,046 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112480240] [2020-11-28 02:56:38,046 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 02:56:38,046 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 02:56:38,046 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475601311] [2020-11-28 02:56:38,047 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 02:56:38,047 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 02:56:38,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 02:56:38,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-28 02:56:38,048 INFO L87 Difference]: Start difference. First operand 404 states and 511 transitions. Second operand 6 states. [2020-11-28 02:56:38,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 02:56:38,284 INFO L93 Difference]: Finished difference Result 932 states and 1177 transitions. [2020-11-28 02:56:38,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-28 02:56:38,284 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2020-11-28 02:56:38,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 02:56:38,285 INFO L225 Difference]: With dead ends: 932 [2020-11-28 02:56:38,285 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 02:56:38,286 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-11-28 02:56:38,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 02:56:38,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 02:56:38,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 02:56:38,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 02:56:38,287 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 83 [2020-11-28 02:56:38,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 02:56:38,287 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 02:56:38,287 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 02:56:38,287 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 02:56:38,287 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 02:56:38,288 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-11-28 02:56:38,289 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 02:56:39,046 WARN L193 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 204 [2020-11-28 02:56:39,537 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 200 [2020-11-28 02:56:39,771 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 119 [2020-11-28 02:56:40,274 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 175 [2020-11-28 02:56:40,534 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 163 [2020-11-28 02:56:40,814 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 157 [2020-11-28 02:56:41,132 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 154 [2020-11-28 02:56:41,287 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 94 [2020-11-28 02:56:41,593 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 133 [2020-11-28 02:56:42,055 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 173 [2020-11-28 02:56:43,599 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 199 DAG size of output: 32 [2020-11-28 02:56:44,845 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 192 DAG size of output: 38 [2020-11-28 02:56:45,270 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 29 [2020-11-28 02:56:45,668 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 25 [2020-11-28 02:56:46,504 WARN L193 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 38 [2020-11-28 02:56:47,284 WARN L193 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 33 [2020-11-28 02:56:47,388 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 25 [2020-11-28 02:56:48,051 WARN L193 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 39 [2020-11-28 02:56:48,188 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 23 [2020-11-28 02:56:48,410 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 25 [2020-11-28 02:56:48,999 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 38 [2020-11-28 02:56:49,298 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 28 [2020-11-28 02:56:49,866 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 17 [2020-11-28 02:56:50,768 WARN L193 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 31 [2020-11-28 02:56:50,794 INFO L274 CegarLoopResult]: For program point L960(lines 960 966) no Hoare annotation was computed. [2020-11-28 02:56:50,794 INFO L270 CegarLoopResult]: At program point L960-1(lines 960 966) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~waterLevel~0))) (or (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2))) [2020-11-28 02:56:50,794 INFO L274 CegarLoopResult]: For program point L927(lines 927 931) no Hoare annotation was computed. [2020-11-28 02:56:50,794 INFO L274 CegarLoopResult]: For program point L927-2(lines 927 931) no Hoare annotation was computed. [2020-11-28 02:56:50,794 INFO L274 CegarLoopResult]: For program point L927-3(lines 927 931) no Hoare annotation was computed. [2020-11-28 02:56:50,794 INFO L274 CegarLoopResult]: For program point L927-5(lines 927 931) no Hoare annotation was computed. [2020-11-28 02:56:50,795 INFO L274 CegarLoopResult]: For program point L927-6(lines 927 931) no Hoare annotation was computed. [2020-11-28 02:56:50,795 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 02:56:50,795 INFO L274 CegarLoopResult]: For program point L927-8(lines 927 931) no Hoare annotation was computed. [2020-11-28 02:56:50,795 INFO L274 CegarLoopResult]: For program point L927-9(lines 927 931) no Hoare annotation was computed. [2020-11-28 02:56:50,795 INFO L274 CegarLoopResult]: For program point L927-11(lines 927 931) no Hoare annotation was computed. [2020-11-28 02:56:50,795 INFO L274 CegarLoopResult]: For program point L927-12(lines 927 931) no Hoare annotation was computed. [2020-11-28 02:56:50,795 INFO L274 CegarLoopResult]: For program point L927-14(lines 927 931) no Hoare annotation was computed. [2020-11-28 02:56:50,795 INFO L274 CegarLoopResult]: For program point L927-15(lines 927 931) no Hoare annotation was computed. [2020-11-28 02:56:50,795 INFO L274 CegarLoopResult]: For program point L927-17(lines 927 931) no Hoare annotation was computed. [2020-11-28 02:56:50,796 INFO L274 CegarLoopResult]: For program point L333(lines 333 339) no Hoare annotation was computed. [2020-11-28 02:56:50,796 INFO L270 CegarLoopResult]: At program point L333-1(lines 333 339) the Hoare annotation is: (let ((.cse6 (= 0 ~systemActive~0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse7 (= ~pumpRunning~0 0)) (.cse8 (<= 1 ~waterLevel~0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse3 .cse8 .cse4) (and .cse0 .cse6 .cse7 .cse3 .cse8 .cse4) (and .cse0 .cse1 .cse7 .cse3 .cse8 .cse4) (and .cse1 .cse5 .cse7 .cse3 .cse8 .cse4) (and .cse5 .cse1 .cse2 .cse3))) [2020-11-28 02:56:50,796 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 02:56:50,796 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 02:56:50,796 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-28 02:56:50,796 INFO L270 CegarLoopResult]: At program point L138(lines 129 142) the Hoare annotation is: false [2020-11-28 02:56:50,797 INFO L270 CegarLoopResult]: At program point L138-1(lines 129 142) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 1)) (.cse6 (<= 2 ~waterLevel~0)) (.cse0 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (.cse2 (= 1 ~systemActive~0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse2 .cse6 .cse3 .cse4) (and .cse2 .cse7 .cse6 .cse3 .cse4) (and .cse0 .cse2 .cse7 .cse3 .cse4 .cse5))) [2020-11-28 02:56:50,797 INFO L270 CegarLoopResult]: At program point L138-2(lines 129 142) the Hoare annotation is: false [2020-11-28 02:56:50,797 INFO L270 CegarLoopResult]: At program point L138-3(lines 129 142) the Hoare annotation is: false [2020-11-28 02:56:50,797 INFO L270 CegarLoopResult]: At program point L138-4(lines 129 142) the Hoare annotation is: false [2020-11-28 02:56:50,797 INFO L274 CegarLoopResult]: For program point L997(lines 997 1014) no Hoare annotation was computed. [2020-11-28 02:56:50,797 INFO L270 CegarLoopResult]: At program point L138-5(lines 129 142) the Hoare annotation is: false [2020-11-28 02:56:50,798 INFO L270 CegarLoopResult]: At program point L997-1(lines 1 1017) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse9 (= 0 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse7 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~10 0)) (.cse2 (= 1 ~systemActive~0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse10 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse9 .cse10 .cse3 .cse4 .cse5 .cse6) (and .cse2 .cse8 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse9 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse2 .cse8 .cse10 (<= 2 ~waterLevel~0) .cse4 .cse6))) [2020-11-28 02:56:50,798 INFO L274 CegarLoopResult]: For program point L997-2(lines 997 1014) no Hoare annotation was computed. [2020-11-28 02:56:50,798 INFO L270 CegarLoopResult]: At program point L997-3(lines 1 1017) the Hoare annotation is: false [2020-11-28 02:56:50,798 INFO L274 CegarLoopResult]: For program point L997-4(lines 997 1014) no Hoare annotation was computed. [2020-11-28 02:56:50,798 INFO L270 CegarLoopResult]: At program point L997-5(lines 1 1017) the Hoare annotation is: false [2020-11-28 02:56:50,798 INFO L270 CegarLoopResult]: At program point L933(lines 918 936) the Hoare annotation is: false [2020-11-28 02:56:50,798 INFO L270 CegarLoopResult]: At program point L933-1(lines 918 936) the Hoare annotation is: (let ((.cse6 (= ~methaneLevelCritical~0 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse7 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse6 .cse7 .cse3 .cse4 .cse8) (and .cse1 .cse6 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse7 .cse3 .cse4 .cse8))) [2020-11-28 02:56:50,799 INFO L270 CegarLoopResult]: At program point L933-2(lines 918 936) the Hoare annotation is: false [2020-11-28 02:56:50,799 INFO L270 CegarLoopResult]: At program point L933-3(lines 918 936) the Hoare annotation is: false [2020-11-28 02:56:50,799 INFO L270 CegarLoopResult]: At program point L933-4(lines 918 936) the Hoare annotation is: false [2020-11-28 02:56:50,799 INFO L270 CegarLoopResult]: At program point L933-5(lines 918 936) the Hoare annotation is: false [2020-11-28 02:56:50,799 INFO L270 CegarLoopResult]: At program point L174-2(lines 174 188) the Hoare annotation is: false [2020-11-28 02:56:50,799 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 02:56:50,799 INFO L274 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-11-28 02:56:50,799 INFO L274 CegarLoopResult]: For program point L1001(lines 1001 1011) no Hoare annotation was computed. [2020-11-28 02:56:50,799 INFO L274 CegarLoopResult]: For program point L1001-2(lines 1001 1011) no Hoare annotation was computed. [2020-11-28 02:56:50,799 INFO L270 CegarLoopResult]: At program point L869(lines 862 872) the Hoare annotation is: false [2020-11-28 02:56:50,800 INFO L274 CegarLoopResult]: For program point L1001-4(lines 1001 1011) no Hoare annotation was computed. [2020-11-28 02:56:50,800 INFO L270 CegarLoopResult]: At program point L869-1(lines 862 872) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2 .cse3) (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 (= |ULTIMATE.start_isMethaneAlarm_#res| 1) .cse1 .cse2 .cse3))) [2020-11-28 02:56:50,800 INFO L270 CegarLoopResult]: At program point L869-2(lines 862 872) the Hoare annotation is: false [2020-11-28 02:56:50,800 INFO L270 CegarLoopResult]: At program point L869-3(lines 862 872) the Hoare annotation is: false [2020-11-28 02:56:50,800 INFO L270 CegarLoopResult]: At program point L869-4(lines 862 872) the Hoare annotation is: false [2020-11-28 02:56:50,800 INFO L270 CegarLoopResult]: At program point L869-5(lines 862 872) the Hoare annotation is: false [2020-11-28 02:56:50,800 INFO L274 CegarLoopResult]: For program point L1002(lines 1002 1008) no Hoare annotation was computed. [2020-11-28 02:56:50,800 INFO L274 CegarLoopResult]: For program point L1002-2(lines 1002 1008) no Hoare annotation was computed. [2020-11-28 02:56:50,801 INFO L274 CegarLoopResult]: For program point L1002-4(lines 1002 1008) no Hoare annotation was computed. [2020-11-28 02:56:50,801 INFO L274 CegarLoopResult]: For program point L343(lines 343 358) no Hoare annotation was computed. [2020-11-28 02:56:50,801 INFO L274 CegarLoopResult]: For program point L178(lines 178 182) no Hoare annotation was computed. [2020-11-28 02:56:50,801 INFO L274 CegarLoopResult]: For program point L178-1(lines 749 755) no Hoare annotation was computed. [2020-11-28 02:56:50,801 INFO L274 CegarLoopResult]: For program point L80(lines 80 84) no Hoare annotation was computed. [2020-11-28 02:56:50,801 INFO L274 CegarLoopResult]: For program point L807(lines 807 824) no Hoare annotation was computed. [2020-11-28 02:56:50,801 INFO L274 CegarLoopResult]: For program point L807-1(lines 807 824) no Hoare annotation was computed. [2020-11-28 02:56:50,801 INFO L274 CegarLoopResult]: For program point L807-2(lines 807 824) no Hoare annotation was computed. [2020-11-28 02:56:50,801 INFO L270 CegarLoopResult]: At program point L148(lines 143 151) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3) (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse3 .cse2 (= ~methAndRunningLastTime~0 0)))) [2020-11-28 02:56:50,802 INFO L270 CegarLoopResult]: At program point L148-1(lines 143 151) the Hoare annotation is: false [2020-11-28 02:56:50,802 INFO L270 CegarLoopResult]: At program point L148-2(lines 143 151) the Hoare annotation is: false [2020-11-28 02:56:50,802 INFO L274 CegarLoopResult]: For program point L314(lines 313 362) no Hoare annotation was computed. [2020-11-28 02:56:50,802 INFO L274 CegarLoopResult]: For program point L315(lines 315 319) no Hoare annotation was computed. [2020-11-28 02:56:50,802 INFO L274 CegarLoopResult]: For program point L844(lines 844 850) no Hoare annotation was computed. [2020-11-28 02:56:50,802 INFO L274 CegarLoopResult]: For program point L811(lines 811 819) no Hoare annotation was computed. [2020-11-28 02:56:50,802 INFO L274 CegarLoopResult]: For program point L844-2(lines 844 850) no Hoare annotation was computed. [2020-11-28 02:56:50,802 INFO L274 CegarLoopResult]: For program point L811-1(lines 811 819) no Hoare annotation was computed. [2020-11-28 02:56:50,802 INFO L274 CegarLoopResult]: For program point L811-2(lines 811 819) no Hoare annotation was computed. [2020-11-28 02:56:50,802 INFO L274 CegarLoopResult]: For program point L844-4(lines 844 850) no Hoare annotation was computed. [2020-11-28 02:56:50,803 INFO L274 CegarLoopResult]: For program point L844-6(lines 844 850) no Hoare annotation was computed. [2020-11-28 02:56:50,803 INFO L274 CegarLoopResult]: For program point L844-8(lines 844 850) no Hoare annotation was computed. [2020-11-28 02:56:50,803 INFO L274 CegarLoopResult]: For program point L844-10(lines 844 850) no Hoare annotation was computed. [2020-11-28 02:56:50,803 INFO L270 CegarLoopResult]: At program point L878(lines 873 881) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 (= 0 ~systemActive~0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (= 1 ~systemActive~0) .cse2 .cse3 .cse4 .cse5))) [2020-11-28 02:56:50,803 INFO L270 CegarLoopResult]: At program point L878-1(lines 873 881) the Hoare annotation is: false [2020-11-28 02:56:50,803 INFO L270 CegarLoopResult]: At program point L878-2(lines 873 881) the Hoare annotation is: false [2020-11-28 02:56:50,803 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 02:56:50,803 INFO L274 CegarLoopResult]: For program point L351(lines 351 357) no Hoare annotation was computed. [2020-11-28 02:56:50,804 INFO L270 CegarLoopResult]: At program point L351-1(lines 749 755) the Hoare annotation is: (let ((.cse4 (= ~methAndRunningLastTime~0 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse6 (= 0 ~systemActive~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse3 .cse8) (and .cse0 .cse1 .cse7 .cse3 .cse8 .cse4) (and .cse1 .cse5 .cse7 .cse3 .cse8 .cse4) (and .cse5 .cse1 .cse2 .cse3) (and .cse0 .cse6 .cse7 .cse3 .cse8))) [2020-11-28 02:56:50,804 INFO L274 CegarLoopResult]: For program point L252(lines 252 259) no Hoare annotation was computed. [2020-11-28 02:56:50,804 INFO L277 CegarLoopResult]: At program point L252-1(lines 252 259) the Hoare annotation is: true [2020-11-28 02:56:50,804 INFO L274 CegarLoopResult]: For program point L946(lines 946 950) no Hoare annotation was computed. [2020-11-28 02:56:50,804 INFO L274 CegarLoopResult]: For program point L946-2(lines 946 950) no Hoare annotation was computed. [2020-11-28 02:56:50,804 INFO L274 CegarLoopResult]: For program point L946-3(lines 946 950) no Hoare annotation was computed. [2020-11-28 02:56:50,804 INFO L274 CegarLoopResult]: For program point L781(lines 781 798) no Hoare annotation was computed. [2020-11-28 02:56:50,804 INFO L274 CegarLoopResult]: For program point L946-5(lines 946 950) no Hoare annotation was computed. [2020-11-28 02:56:50,805 INFO L274 CegarLoopResult]: For program point L781-1(lines 781 798) no Hoare annotation was computed. [2020-11-28 02:56:50,805 INFO L274 CegarLoopResult]: For program point L946-6(lines 946 950) no Hoare annotation was computed. [2020-11-28 02:56:50,805 INFO L274 CegarLoopResult]: For program point L781-2(lines 781 798) no Hoare annotation was computed. [2020-11-28 02:56:50,805 INFO L274 CegarLoopResult]: For program point L781-3(lines 781 798) no Hoare annotation was computed. [2020-11-28 02:56:50,805 INFO L274 CegarLoopResult]: For program point L946-8(lines 946 950) no Hoare annotation was computed. [2020-11-28 02:56:50,805 INFO L274 CegarLoopResult]: For program point L781-4(lines 781 798) no Hoare annotation was computed. [2020-11-28 02:56:50,805 INFO L274 CegarLoopResult]: For program point L781-5(lines 781 798) no Hoare annotation was computed. [2020-11-28 02:56:50,805 INFO L270 CegarLoopResult]: At program point L749(lines 748 767) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse5 (= 0 ~systemActive~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse3 .cse2 (= ~methAndRunningLastTime~0 0)) (and .cse0 .cse5 .cse6 .cse3 .cse2) (and .cse4 .cse1 .cse6 .cse3 .cse2) (and .cse4 .cse5 .cse6 .cse3 .cse2))) [2020-11-28 02:56:50,806 INFO L274 CegarLoopResult]: For program point L749-1(lines 749 755) no Hoare annotation was computed. [2020-11-28 02:56:50,806 INFO L270 CegarLoopResult]: At program point L749-2(lines 748 767) the Hoare annotation is: false [2020-11-28 02:56:50,806 INFO L270 CegarLoopResult]: At program point L749-3(lines 748 767) the Hoare annotation is: false [2020-11-28 02:56:50,806 INFO L274 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-11-28 02:56:50,806 INFO L274 CegarLoopResult]: For program point L56-3(lines 56 60) no Hoare annotation was computed. [2020-11-28 02:56:50,806 INFO L274 CegarLoopResult]: For program point L56-6(lines 56 60) no Hoare annotation was computed. [2020-11-28 02:56:50,806 INFO L270 CegarLoopResult]: At program point L288(lines 1 1017) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-11-28 02:56:50,806 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 02:56:50,807 INFO L270 CegarLoopResult]: At program point L223(lines 219 225) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-11-28 02:56:50,807 INFO L274 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-11-28 02:56:50,807 INFO L274 CegarLoopResult]: For program point L157-1(line 157) no Hoare annotation was computed. [2020-11-28 02:56:50,807 INFO L274 CegarLoopResult]: For program point L157-2(line 157) no Hoare annotation was computed. [2020-11-28 02:56:50,807 INFO L274 CegarLoopResult]: For program point L785(lines 785 793) no Hoare annotation was computed. [2020-11-28 02:56:50,807 INFO L274 CegarLoopResult]: For program point L785-1(lines 785 793) no Hoare annotation was computed. [2020-11-28 02:56:50,807 INFO L274 CegarLoopResult]: For program point L785-2(lines 785 793) no Hoare annotation was computed. [2020-11-28 02:56:50,807 INFO L274 CegarLoopResult]: For program point L785-3(lines 785 793) no Hoare annotation was computed. [2020-11-28 02:56:50,807 INFO L274 CegarLoopResult]: For program point L785-4(lines 785 793) no Hoare annotation was computed. [2020-11-28 02:56:50,807 INFO L274 CegarLoopResult]: For program point L785-5(lines 785 793) no Hoare annotation was computed. [2020-11-28 02:56:50,808 INFO L274 CegarLoopResult]: For program point L323(lines 323 329) no Hoare annotation was computed. [2020-11-28 02:56:50,808 INFO L270 CegarLoopResult]: At program point L323-1(lines 323 329) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse9 (= 0 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse7 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~10 0)) (.cse2 (= 1 ~systemActive~0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse10 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse9 .cse10 .cse3 .cse4 .cse5 .cse6) (and .cse2 .cse8 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse9 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse2 .cse8 .cse10 (<= 2 ~waterLevel~0) .cse4 .cse6))) [2020-11-28 02:56:50,808 INFO L270 CegarLoopResult]: At program point L93(lines 88 96) the Hoare annotation is: false [2020-11-28 02:56:50,808 INFO L270 CegarLoopResult]: At program point L93-1(lines 88 96) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3) (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2 .cse3))) [2020-11-28 02:56:50,808 INFO L270 CegarLoopResult]: At program point L93-2(lines 88 96) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse6 (= 0 ~systemActive~0)) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse8 (= ~methaneLevelCritical~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3) (and .cse1 .cse0 .cse2 .cse4 .cse3 .cse5) (and .cse0 .cse6 .cse2 .cse4 .cse3 .cse5) (and .cse7 .cse8 .cse6 .cse4 .cse5 .cse3) (and .cse7 .cse8 .cse1 .cse4 .cse3 .cse5))) [2020-11-28 02:56:50,809 INFO L270 CegarLoopResult]: At program point L93-3(lines 88 96) the Hoare annotation is: false [2020-11-28 02:56:50,809 INFO L270 CegarLoopResult]: At program point L93-4(lines 88 96) the Hoare annotation is: false [2020-11-28 02:56:50,809 INFO L270 CegarLoopResult]: At program point L952(lines 937 955) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse2 (= ULTIMATE.start_isLowWaterLevel_~tmp~9 0)) (.cse3 (<= 1 ULTIMATE.start_isLowWaterLevel_~tmp___0~2)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse4 (<= 1 |ULTIMATE.start_isLowWaterLevel_#res|))) (or (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3 .cse5 .cse6 .cse4))) [2020-11-28 02:56:50,809 INFO L270 CegarLoopResult]: At program point L93-5(lines 88 96) the Hoare annotation is: false [2020-11-28 02:56:50,809 INFO L270 CegarLoopResult]: At program point L952-1(lines 937 955) the Hoare annotation is: false [2020-11-28 02:56:50,809 INFO L270 CegarLoopResult]: At program point L93-6(lines 88 96) the Hoare annotation is: false [2020-11-28 02:56:50,809 INFO L270 CegarLoopResult]: At program point L952-2(lines 937 955) the Hoare annotation is: false [2020-11-28 02:56:50,809 INFO L270 CegarLoopResult]: At program point L93-7(lines 88 96) the Hoare annotation is: false [2020-11-28 02:56:50,809 INFO L270 CegarLoopResult]: At program point L93-8(lines 88 96) the Hoare annotation is: false [2020-11-28 02:56:50,810 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 02:56:50,810 INFO L270 CegarLoopResult]: At program point L986(lines 981 988) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-11-28 02:56:50,810 INFO L270 CegarLoopResult]: At program point L756(lines 756 762) the Hoare annotation is: (let ((.cse6 (= 1 ~systemActive~0)) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse2 .cse3 .cse4) (and .cse6 .cse0 (<= 2 ~waterLevel~0) .cse3) (and .cse6 .cse0 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse3 .cse4))) [2020-11-28 02:56:50,810 INFO L270 CegarLoopResult]: At program point L756-1(lines 756 762) the Hoare annotation is: false [2020-11-28 02:56:50,810 INFO L270 CegarLoopResult]: At program point L756-2(lines 756 762) the Hoare annotation is: false [2020-11-28 02:56:50,810 INFO L277 CegarLoopResult]: At program point L261(lines 242 264) the Hoare annotation is: true [2020-11-28 02:56:50,810 INFO L270 CegarLoopResult]: At program point L296(lines 291 299) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-11-28 02:56:50,810 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 02:56:50,811 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 02:56:50,811 INFO L270 CegarLoopResult]: At program point L363(lines 312 364) the Hoare annotation is: false [2020-11-28 02:56:50,811 INFO L274 CegarLoopResult]: For program point L133(lines 133 139) no Hoare annotation was computed. [2020-11-28 02:56:50,811 INFO L274 CegarLoopResult]: For program point L133-1(lines 133 139) no Hoare annotation was computed. [2020-11-28 02:56:50,811 INFO L274 CegarLoopResult]: For program point L133-2(lines 133 139) no Hoare annotation was computed. [2020-11-28 02:56:50,811 INFO L274 CegarLoopResult]: For program point L133-3(lines 133 139) no Hoare annotation was computed. [2020-11-28 02:56:50,811 INFO L274 CegarLoopResult]: For program point L133-4(lines 133 139) no Hoare annotation was computed. [2020-11-28 02:56:50,811 INFO L274 CegarLoopResult]: For program point L133-5(lines 133 139) no Hoare annotation was computed. [2020-11-28 02:56:50,812 INFO L274 CegarLoopResult]: For program point L68(lines 68 72) no Hoare annotation was computed. [2020-11-28 02:56:50,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:56:50 BoogieIcfgContainer [2020-11-28 02:56:50,857 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 02:56:50,857 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 02:56:50,857 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 02:56:50,858 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 02:56:50,858 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:56:32" (3/4) ... [2020-11-28 02:56:50,861 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 02:56:50,886 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-28 02:56:50,888 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 02:56:50,890 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 02:56:50,891 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 02:56:50,893 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 02:56:50,894 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 02:56:50,896 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 02:56:50,926 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) || (((((((tmp == 0 && methaneLevelCritical == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) [2020-11-28 02:56:50,926 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) || (((((((tmp == 0 && methaneLevelCritical == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) [2020-11-28 02:56:50,929 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((methaneLevelCritical == 0 && 1 == systemActive) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((methaneLevelCritical == 0 && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0)) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-11-28 02:56:50,930 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((methaneLevelCritical == 0 && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((((methaneLevelCritical == 1 && 1 == systemActive) && \result == 0) && 1 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) [2020-11-28 02:56:50,931 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\result == 0) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((((!(\result == 0) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-11-28 02:56:50,931 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-11-28 02:56:50,932 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((methaneLevelCritical == 1 && 1 == systemActive) && \result == 0) && tmp == 0) && 1 <= tmp___0) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) || (((((((methaneLevelCritical == 0 && 1 == systemActive) && \result == 0) && tmp == 0) && 1 <= tmp___0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) [2020-11-28 02:56:50,932 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((tmp___0 == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((tmp___0 == 0 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2020-11-28 02:56:50,935 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-28 02:56:50,935 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-28 02:56:51,032 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4b4cb2af-c0ba-4961-975d-a10438f17b81/bin/uautomizer/witness.graphml [2020-11-28 02:56:51,032 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 02:56:51,033 INFO L168 Benchmark]: Toolchain (without parser) took 21195.98 ms. Allocated memory was 88.1 MB in the beginning and 331.4 MB in the end (delta: 243.3 MB). Free memory was 55.4 MB in the beginning and 264.9 MB in the end (delta: -209.6 MB). Peak memory consumption was 32.9 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:51,034 INFO L168 Benchmark]: CDTParser took 0.55 ms. Allocated memory is still 88.1 MB. Free memory was 46.8 MB in the beginning and 46.8 MB in the end (delta: 41.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:56:51,034 INFO L168 Benchmark]: CACSL2BoogieTranslator took 566.71 ms. Allocated memory is still 88.1 MB. Free memory was 55.2 MB in the beginning and 52.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:51,035 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.05 ms. Allocated memory is still 88.1 MB. Free memory was 52.8 MB in the beginning and 48.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:51,035 INFO L168 Benchmark]: Boogie Preprocessor took 100.11 ms. Allocated memory is still 88.1 MB. Free memory was 48.6 MB in the beginning and 45.4 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:51,035 INFO L168 Benchmark]: RCFGBuilder took 1494.85 ms. Allocated memory was 88.1 MB in the beginning and 111.1 MB in the end (delta: 23.1 MB). Free memory was 45.4 MB in the beginning and 68.9 MB in the end (delta: -23.5 MB). Peak memory consumption was 26.9 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:51,036 INFO L168 Benchmark]: TraceAbstraction took 18732.20 ms. Allocated memory was 111.1 MB in the beginning and 331.4 MB in the end (delta: 220.2 MB). Free memory was 68.9 MB in the beginning and 277.5 MB in the end (delta: -208.6 MB). Peak memory consumption was 186.9 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:51,036 INFO L168 Benchmark]: Witness Printer took 175.39 ms. Allocated memory is still 331.4 MB. Free memory was 277.5 MB in the beginning and 264.9 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 02:56:51,039 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55 ms. Allocated memory is still 88.1 MB. Free memory was 46.8 MB in the beginning and 46.8 MB in the end (delta: 41.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 566.71 ms. Allocated memory is still 88.1 MB. Free memory was 55.2 MB in the beginning and 52.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 105.05 ms. Allocated memory is still 88.1 MB. Free memory was 52.8 MB in the beginning and 48.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 100.11 ms. Allocated memory is still 88.1 MB. Free memory was 48.6 MB in the beginning and 45.4 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1494.85 ms. Allocated memory was 88.1 MB in the beginning and 111.1 MB in the end (delta: 23.1 MB). Free memory was 45.4 MB in the beginning and 68.9 MB in the end (delta: -23.5 MB). Peak memory consumption was 26.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 18732.20 ms. Allocated memory was 111.1 MB in the beginning and 331.4 MB in the end (delta: 220.2 MB). Free memory was 68.9 MB in the beginning and 277.5 MB in the end (delta: -208.6 MB). Peak memory consumption was 186.9 MB. Max. memory is 16.1 GB. * Witness Printer took 175.39 ms. Allocated memory is still 331.4 MB. Free memory was 277.5 MB in the beginning and 264.9 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 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: 252]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == 0 && 1 == systemActive) && 1 <= waterLevel) && splverifierCounter == 0) || ((((methaneLevelCritical == 1 && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 748]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 749]: Loop Invariant Derived loop invariant: ((((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) || ((((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((methaneLevelCritical == 0 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((tmp___0 == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((tmp___0 == 0 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: ((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 333]: Loop Invariant Derived loop invariant: ((((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) || (((((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((methaneLevelCritical == 0 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 242]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 0 && 1 == systemActive) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((methaneLevelCritical == 0 && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && 1 <= waterLevel) && splverifierCounter == 0)) || (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 1 && 1 == systemActive) && \result == 0) && tmp == 0) && 1 <= tmp___0) && 1 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) || (((((((methaneLevelCritical == 0 && 1 == systemActive) && \result == 0) && tmp == 0) && 1 <= tmp___0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: (((((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) || (((((((tmp == 0 && methaneLevelCritical == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: (((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: ((((methaneLevelCritical == 0 && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((((methaneLevelCritical == 1 && 1 == systemActive) && \result == 0) && 1 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && \result == 1) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((\result == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) || (((((((tmp == 0 && methaneLevelCritical == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((((\result == 1 && methaneLevelCritical == 1) && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0)) || ((((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && methAndRunningLastTime == 0) - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: (((((((!(\result == 0) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((((!(\result == 0) && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: (((methaneLevelCritical == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((methaneLevelCritical == 0 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 981]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 144 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.1s, OverallIterations: 16, TraceHistogramMax: 3, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 12.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1900 SDtfs, 2603 SDslu, 3053 SDs, 0 SdLazy, 380 SolverSat, 88 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 266 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=857occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 16 MinimizatonAttempts, 2654 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 57 PreInvPairs, 275 NumberOfFragments, 1169 HoareAnnotationTreeSize, 57 FomulaSimplifications, 8489006 FormulaSimplificationTreeSizeReduction, 3.7s HoareSimplificationTime, 57 FomulaSimplificationsInter, 847955 FormulaSimplificationTreeSizeReductionInter, 8.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 893 NumberOfCodeBlocks, 893 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 875 ConstructedInterpolants, 0 QuantifiedInterpolants, 88420 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1043 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 18 InterpolantComputations, 15 PerfectInterpolantSequences, 313/341 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...