./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product50.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_bb5c281a-9e79-41be-92d6-aad06b35ee3b/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_bb5c281a-9e79-41be-92d6-aad06b35ee3b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bb5c281a-9e79-41be-92d6-aad06b35ee3b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bb5c281a-9e79-41be-92d6-aad06b35ee3b/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_bb5c281a-9e79-41be-92d6-aad06b35ee3b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bb5c281a-9e79-41be-92d6-aad06b35ee3b/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 9f33e15e0937d430cb63c24d59de4b6438b3be32 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 03:19:11,648 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:19:11,652 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:19:11,792 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:19:11,793 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:19:11,795 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:19:11,797 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:19:11,800 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:19:11,806 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:19:11,808 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:19:11,810 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:19:11,814 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:19:11,815 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:19:11,823 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:19:11,826 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:19:11,828 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:19:11,830 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:19:11,836 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:19:11,841 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:19:11,846 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:19:11,849 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:19:11,851 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:19:11,853 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:19:11,854 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:19:11,858 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:19:11,859 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:19:11,860 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:19:11,861 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:19:11,862 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:19:11,863 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:19:11,864 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:19:11,865 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:19:11,867 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:19:11,868 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:19:11,869 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:19:11,870 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:19:11,871 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:19:11,871 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:19:11,872 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:19:11,873 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:19:11,874 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:19:11,875 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bb5c281a-9e79-41be-92d6-aad06b35ee3b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:19:11,902 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:19:11,906 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:19:11,908 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:19:11,908 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:19:11,909 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:19:11,909 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:19:11,909 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:19:11,910 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:19:11,910 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:19:11,910 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:19:11,911 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:19:11,912 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:19:11,912 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:19:11,912 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:19:11,912 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:19:11,913 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:19:11,913 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:19:11,913 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:19:11,913 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:19:11,914 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:19:11,914 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:19:11,914 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:19:11,914 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:19:11,915 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:19:11,915 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:19:11,915 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:19:11,915 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:19:11,916 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:19:11,916 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:19:11,916 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_bb5c281a-9e79-41be-92d6-aad06b35ee3b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_bb5c281a-9e79-41be-92d6-aad06b35ee3b/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f33e15e0937d430cb63c24d59de4b6438b3be32 [2020-11-28 03:19:12,274 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:19:12,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:19:12,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:19:12,303 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:19:12,304 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:19:12,305 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bb5c281a-9e79-41be-92d6-aad06b35ee3b/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c [2020-11-28 03:19:12,396 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bb5c281a-9e79-41be-92d6-aad06b35ee3b/bin/uautomizer/data/98a85a045/b8415d560c3e495e87d60b8476ebdaef/FLAGa5eb079a7 [2020-11-28 03:19:13,061 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:19:13,062 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bb5c281a-9e79-41be-92d6-aad06b35ee3b/sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c [2020-11-28 03:19:13,075 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bb5c281a-9e79-41be-92d6-aad06b35ee3b/bin/uautomizer/data/98a85a045/b8415d560c3e495e87d60b8476ebdaef/FLAGa5eb079a7 [2020-11-28 03:19:13,312 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bb5c281a-9e79-41be-92d6-aad06b35ee3b/bin/uautomizer/data/98a85a045/b8415d560c3e495e87d60b8476ebdaef [2020-11-28 03:19:13,314 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:19:13,317 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:19:13,321 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:19:13,322 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:19:13,330 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:19:13,331 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:19:13" (1/1) ... [2020-11-28 03:19:13,333 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d2576e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:13, skipping insertion in model container [2020-11-28 03:19:13,334 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:19:13" (1/1) ... [2020-11-28 03:19:13,343 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:19:13,403 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:19:13,799 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:19:13,809 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:19:13,932 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:19:13,970 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:19:13,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:13 WrapperNode [2020-11-28 03:19:13,971 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:19:13,972 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:19:13,972 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:19:13,973 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:19:13,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:13" (1/1) ... [2020-11-28 03:19:14,000 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:13" (1/1) ... [2020-11-28 03:19:14,076 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:19:14,079 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:19:14,079 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:19:14,079 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:19:14,092 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:13" (1/1) ... [2020-11-28 03:19:14,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:13" (1/1) ... [2020-11-28 03:19:14,098 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:13" (1/1) ... [2020-11-28 03:19:14,098 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:13" (1/1) ... [2020-11-28 03:19:14,112 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:13" (1/1) ... [2020-11-28 03:19:14,120 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:13" (1/1) ... [2020-11-28 03:19:14,124 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:13" (1/1) ... [2020-11-28 03:19:14,130 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:19:14,131 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:19:14,131 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:19:14,131 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:19:14,132 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bb5c281a-9e79-41be-92d6-aad06b35ee3b/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 03:19:14,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:19:14,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:19:14,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:19:14,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:19:15,299 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:19:15,301 INFO L298 CfgBuilder]: Removed 166 assume(true) statements. [2020-11-28 03:19:15,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:19:15 BoogieIcfgContainer [2020-11-28 03:19:15,305 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:19:15,309 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:19:15,313 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:19:15,319 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:19:15,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:19:13" (1/3) ... [2020-11-28 03:19:15,320 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@626b8357 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:19:15, skipping insertion in model container [2020-11-28 03:19:15,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:19:13" (2/3) ... [2020-11-28 03:19:15,321 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@626b8357 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:19:15, skipping insertion in model container [2020-11-28 03:19:15,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:19:15" (3/3) ... [2020-11-28 03:19:15,323 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product50.cil.c [2020-11-28 03:19:15,334 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:19:15,339 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-28 03:19:15,352 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 03:19:15,383 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:19:15,383 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:19:15,384 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:19:15,384 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:19:15,384 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:19:15,384 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:19:15,384 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:19:15,384 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:19:15,401 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2020-11-28 03:19:15,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 03:19:15,406 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:15,407 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 03:19:15,407 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:15,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:15,413 INFO L82 PathProgramCache]: Analyzing trace with hash 1554341699, now seen corresponding path program 1 times [2020-11-28 03:19:15,423 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:15,423 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676953548] [2020-11-28 03:19:15,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:15,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:15,667 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 03:19:15,667 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676953548] [2020-11-28 03:19:15,672 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:15,672 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:19:15,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326226193] [2020-11-28 03:19:15,679 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 03:19:15,679 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:15,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 03:19:15,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:19:15,701 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 2 states. [2020-11-28 03:19:15,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:15,760 INFO L93 Difference]: Finished difference Result 238 states and 363 transitions. [2020-11-28 03:19:15,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:19:15,761 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-28 03:19:15,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:15,786 INFO L225 Difference]: With dead ends: 238 [2020-11-28 03:19:15,786 INFO L226 Difference]: Without dead ends: 117 [2020-11-28 03:19:15,790 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 03:19:15,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2020-11-28 03:19:15,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2020-11-28 03:19:15,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-11-28 03:19:15,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 172 transitions. [2020-11-28 03:19:15,871 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 172 transitions. Word has length 18 [2020-11-28 03:19:15,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:15,872 INFO L481 AbstractCegarLoop]: Abstraction has 117 states and 172 transitions. [2020-11-28 03:19:15,872 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 03:19:15,873 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 172 transitions. [2020-11-28 03:19:15,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-28 03:19:15,876 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:15,876 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 03:19:15,876 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:19:15,877 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:15,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:15,880 INFO L82 PathProgramCache]: Analyzing trace with hash 955831619, now seen corresponding path program 1 times [2020-11-28 03:19:15,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:15,881 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739057507] [2020-11-28 03:19:15,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:15,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:16,071 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 03:19:16,072 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739057507] [2020-11-28 03:19:16,072 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:16,072 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:19:16,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990847798] [2020-11-28 03:19:16,074 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:19:16,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:16,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:19:16,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:19:16,075 INFO L87 Difference]: Start difference. First operand 117 states and 172 transitions. Second operand 3 states. [2020-11-28 03:19:16,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:16,092 INFO L93 Difference]: Finished difference Result 117 states and 172 transitions. [2020-11-28 03:19:16,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:19:16,097 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-11-28 03:19:16,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:16,098 INFO L225 Difference]: With dead ends: 117 [2020-11-28 03:19:16,098 INFO L226 Difference]: Without dead ends: 49 [2020-11-28 03:19:16,099 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 03:19:16,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-11-28 03:19:16,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-11-28 03:19:16,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-11-28 03:19:16,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2020-11-28 03:19:16,112 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2020-11-28 03:19:16,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:16,112 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2020-11-28 03:19:16,112 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:19:16,113 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2020-11-28 03:19:16,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 03:19:16,114 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:16,115 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 03:19:16,116 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:19:16,116 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:16,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:16,117 INFO L82 PathProgramCache]: Analyzing trace with hash 988842679, now seen corresponding path program 1 times [2020-11-28 03:19:16,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:16,118 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144015006] [2020-11-28 03:19:16,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:16,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:16,273 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 03:19:16,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144015006] [2020-11-28 03:19:16,274 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:16,274 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:19:16,274 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798082525] [2020-11-28 03:19:16,275 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:19:16,275 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:16,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:19:16,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:19:16,276 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand 5 states. [2020-11-28 03:19:16,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:16,342 INFO L93 Difference]: Finished difference Result 91 states and 135 transitions. [2020-11-28 03:19:16,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:19:16,347 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-11-28 03:19:16,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:16,348 INFO L225 Difference]: With dead ends: 91 [2020-11-28 03:19:16,348 INFO L226 Difference]: Without dead ends: 49 [2020-11-28 03:19:16,349 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 03:19:16,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-11-28 03:19:16,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-11-28 03:19:16,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-11-28 03:19:16,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2020-11-28 03:19:16,364 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 24 [2020-11-28 03:19:16,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:16,364 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2020-11-28 03:19:16,365 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:19:16,365 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2020-11-28 03:19:16,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 03:19:16,366 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:16,366 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 03:19:16,366 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:19:16,366 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:16,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:16,367 INFO L82 PathProgramCache]: Analyzing trace with hash -524841611, now seen corresponding path program 1 times [2020-11-28 03:19:16,367 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:16,367 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571628522] [2020-11-28 03:19:16,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:16,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:16,474 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 03:19:16,474 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571628522] [2020-11-28 03:19:16,475 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:16,475 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:19:16,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31977442] [2020-11-28 03:19:16,475 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:19:16,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:16,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:19:16,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:19:16,477 INFO L87 Difference]: Start difference. First operand 49 states and 70 transitions. Second operand 3 states. [2020-11-28 03:19:16,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:16,535 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2020-11-28 03:19:16,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:19:16,536 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-11-28 03:19:16,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:16,537 INFO L225 Difference]: With dead ends: 113 [2020-11-28 03:19:16,537 INFO L226 Difference]: Without dead ends: 71 [2020-11-28 03:19:16,538 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 03:19:16,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-11-28 03:19:16,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 69. [2020-11-28 03:19:16,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-11-28 03:19:16,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 98 transitions. [2020-11-28 03:19:16,554 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 98 transitions. Word has length 26 [2020-11-28 03:19:16,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:16,554 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 98 transitions. [2020-11-28 03:19:16,554 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:19:16,555 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 98 transitions. [2020-11-28 03:19:16,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-28 03:19:16,556 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:16,556 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] [2020-11-28 03:19:16,556 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:19:16,558 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:16,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:16,559 INFO L82 PathProgramCache]: Analyzing trace with hash -65166556, now seen corresponding path program 1 times [2020-11-28 03:19:16,559 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:16,559 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643494987] [2020-11-28 03:19:16,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:16,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:16,648 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 03:19:16,649 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643494987] [2020-11-28 03:19:16,649 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:16,649 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:19:16,649 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720220481] [2020-11-28 03:19:16,650 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:19:16,650 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:16,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:19:16,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:19:16,651 INFO L87 Difference]: Start difference. First operand 69 states and 98 transitions. Second operand 5 states. [2020-11-28 03:19:16,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:16,755 INFO L93 Difference]: Finished difference Result 182 states and 258 transitions. [2020-11-28 03:19:16,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 03:19:16,756 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-11-28 03:19:16,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:16,758 INFO L225 Difference]: With dead ends: 182 [2020-11-28 03:19:16,758 INFO L226 Difference]: Without dead ends: 120 [2020-11-28 03:19:16,759 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 03:19:16,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-11-28 03:19:16,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 75. [2020-11-28 03:19:16,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-11-28 03:19:16,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 104 transitions. [2020-11-28 03:19:16,779 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 104 transitions. Word has length 32 [2020-11-28 03:19:16,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:16,780 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 104 transitions. [2020-11-28 03:19:16,780 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:19:16,781 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 104 transitions. [2020-11-28 03:19:16,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-28 03:19:16,784 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:16,784 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] [2020-11-28 03:19:16,785 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 03:19:16,785 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:16,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:16,786 INFO L82 PathProgramCache]: Analyzing trace with hash 868297153, now seen corresponding path program 1 times [2020-11-28 03:19:16,786 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:16,786 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921485779] [2020-11-28 03:19:16,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:16,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:16,868 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 03:19:16,868 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921485779] [2020-11-28 03:19:16,868 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:16,869 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:19:16,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811545368] [2020-11-28 03:19:16,869 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:19:16,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:16,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:19:16,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:19:16,871 INFO L87 Difference]: Start difference. First operand 75 states and 104 transitions. Second operand 5 states. [2020-11-28 03:19:16,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:16,979 INFO L93 Difference]: Finished difference Result 387 states and 547 transitions. [2020-11-28 03:19:16,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-28 03:19:16,980 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-11-28 03:19:16,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:16,982 INFO L225 Difference]: With dead ends: 387 [2020-11-28 03:19:16,982 INFO L226 Difference]: Without dead ends: 319 [2020-11-28 03:19:16,984 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 03:19:16,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2020-11-28 03:19:17,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 135. [2020-11-28 03:19:17,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-11-28 03:19:17,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 186 transitions. [2020-11-28 03:19:17,017 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 186 transitions. Word has length 32 [2020-11-28 03:19:17,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:17,018 INFO L481 AbstractCegarLoop]: Abstraction has 135 states and 186 transitions. [2020-11-28 03:19:17,018 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:19:17,018 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 186 transitions. [2020-11-28 03:19:17,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 03:19:17,019 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:17,020 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:17,020 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-28 03:19:17,020 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:17,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:17,021 INFO L82 PathProgramCache]: Analyzing trace with hash 868140617, now seen corresponding path program 1 times [2020-11-28 03:19:17,021 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:17,021 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555369667] [2020-11-28 03:19:17,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:17,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:17,103 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 03:19:17,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555369667] [2020-11-28 03:19:17,103 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:17,103 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:19:17,104 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382034594] [2020-11-28 03:19:17,104 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:19:17,104 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:17,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:19:17,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:19:17,105 INFO L87 Difference]: Start difference. First operand 135 states and 186 transitions. Second operand 5 states. [2020-11-28 03:19:17,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:17,271 INFO L93 Difference]: Finished difference Result 506 states and 701 transitions. [2020-11-28 03:19:17,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-28 03:19:17,272 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-11-28 03:19:17,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:17,275 INFO L225 Difference]: With dead ends: 506 [2020-11-28 03:19:17,275 INFO L226 Difference]: Without dead ends: 378 [2020-11-28 03:19:17,276 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 03:19:17,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2020-11-28 03:19:17,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 134. [2020-11-28 03:19:17,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-11-28 03:19:17,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 183 transitions. [2020-11-28 03:19:17,303 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 183 transitions. Word has length 33 [2020-11-28 03:19:17,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:17,305 INFO L481 AbstractCegarLoop]: Abstraction has 134 states and 183 transitions. [2020-11-28 03:19:17,305 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:19:17,306 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 183 transitions. [2020-11-28 03:19:17,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 03:19:17,309 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:17,309 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:17,309 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-28 03:19:17,310 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:17,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:17,310 INFO L82 PathProgramCache]: Analyzing trace with hash 635741486, now seen corresponding path program 1 times [2020-11-28 03:19:17,310 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:17,311 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615889827] [2020-11-28 03:19:17,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:17,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:17,399 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 03:19:17,400 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615889827] [2020-11-28 03:19:17,400 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:17,400 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 03:19:17,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977529748] [2020-11-28 03:19:17,400 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 03:19:17,401 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:17,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 03:19:17,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:19:17,401 INFO L87 Difference]: Start difference. First operand 134 states and 183 transitions. Second operand 6 states. [2020-11-28 03:19:17,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:17,522 INFO L93 Difference]: Finished difference Result 357 states and 483 transitions. [2020-11-28 03:19:17,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-28 03:19:17,523 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2020-11-28 03:19:17,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:17,524 INFO L225 Difference]: With dead ends: 357 [2020-11-28 03:19:17,524 INFO L226 Difference]: Without dead ends: 230 [2020-11-28 03:19:17,526 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-11-28 03:19:17,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2020-11-28 03:19:17,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 142. [2020-11-28 03:19:17,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2020-11-28 03:19:17,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 191 transitions. [2020-11-28 03:19:17,552 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 191 transitions. Word has length 33 [2020-11-28 03:19:17,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:17,553 INFO L481 AbstractCegarLoop]: Abstraction has 142 states and 191 transitions. [2020-11-28 03:19:17,553 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 03:19:17,553 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 191 transitions. [2020-11-28 03:19:17,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 03:19:17,556 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:17,556 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:17,556 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-28 03:19:17,558 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:17,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:17,558 INFO L82 PathProgramCache]: Analyzing trace with hash 48935472, now seen corresponding path program 1 times [2020-11-28 03:19:17,558 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:17,559 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168732045] [2020-11-28 03:19:17,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:17,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:17,618 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 03:19:17,619 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168732045] [2020-11-28 03:19:17,619 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:17,619 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:19:17,619 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271713001] [2020-11-28 03:19:17,620 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:19:17,620 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:17,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:19:17,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:19:17,621 INFO L87 Difference]: Start difference. First operand 142 states and 191 transitions. Second operand 3 states. [2020-11-28 03:19:17,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:17,662 INFO L93 Difference]: Finished difference Result 327 states and 439 transitions. [2020-11-28 03:19:17,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:19:17,662 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-11-28 03:19:17,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:17,664 INFO L225 Difference]: With dead ends: 327 [2020-11-28 03:19:17,664 INFO L226 Difference]: Without dead ends: 192 [2020-11-28 03:19:17,665 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 03:19:17,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2020-11-28 03:19:17,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192. [2020-11-28 03:19:17,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2020-11-28 03:19:17,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 251 transitions. [2020-11-28 03:19:17,689 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 251 transitions. Word has length 33 [2020-11-28 03:19:17,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:17,690 INFO L481 AbstractCegarLoop]: Abstraction has 192 states and 251 transitions. [2020-11-28 03:19:17,690 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:19:17,690 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 251 transitions. [2020-11-28 03:19:17,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-11-28 03:19:17,692 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:17,692 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:17,692 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-28 03:19:17,692 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:17,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:17,693 INFO L82 PathProgramCache]: Analyzing trace with hash 1943567600, now seen corresponding path program 1 times [2020-11-28 03:19:17,693 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:17,693 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306090572] [2020-11-28 03:19:17,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:17,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:17,772 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 03:19:17,772 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306090572] [2020-11-28 03:19:17,772 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:17,772 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:19:17,773 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776262799] [2020-11-28 03:19:17,773 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:19:17,773 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:17,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:19:17,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:19:17,774 INFO L87 Difference]: Start difference. First operand 192 states and 251 transitions. Second operand 3 states. [2020-11-28 03:19:17,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:17,834 INFO L93 Difference]: Finished difference Result 295 states and 389 transitions. [2020-11-28 03:19:17,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:19:17,834 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-11-28 03:19:17,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:17,836 INFO L225 Difference]: With dead ends: 295 [2020-11-28 03:19:17,836 INFO L226 Difference]: Without dead ends: 293 [2020-11-28 03:19:17,837 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 03:19:17,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2020-11-28 03:19:17,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 234. [2020-11-28 03:19:17,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2020-11-28 03:19:17,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 313 transitions. [2020-11-28 03:19:17,860 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 313 transitions. Word has length 34 [2020-11-28 03:19:17,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:17,860 INFO L481 AbstractCegarLoop]: Abstraction has 234 states and 313 transitions. [2020-11-28 03:19:17,861 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:19:17,861 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 313 transitions. [2020-11-28 03:19:17,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-28 03:19:17,862 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:17,862 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:17,862 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-28 03:19:17,862 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:17,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:17,863 INFO L82 PathProgramCache]: Analyzing trace with hash 558378804, now seen corresponding path program 1 times [2020-11-28 03:19:17,863 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:17,863 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18914779] [2020-11-28 03:19:17,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:17,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:17,933 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:17,934 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18914779] [2020-11-28 03:19:17,934 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:17,934 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:19:17,934 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342489311] [2020-11-28 03:19:17,935 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:19:17,935 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:17,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:19:17,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:19:17,936 INFO L87 Difference]: Start difference. First operand 234 states and 313 transitions. Second operand 5 states. [2020-11-28 03:19:18,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:18,099 INFO L93 Difference]: Finished difference Result 374 states and 510 transitions. [2020-11-28 03:19:18,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:19:18,100 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2020-11-28 03:19:18,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:18,102 INFO L225 Difference]: With dead ends: 374 [2020-11-28 03:19:18,102 INFO L226 Difference]: Without dead ends: 197 [2020-11-28 03:19:18,102 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:19:18,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2020-11-28 03:19:18,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2020-11-28 03:19:18,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2020-11-28 03:19:18,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 255 transitions. [2020-11-28 03:19:18,145 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 255 transitions. Word has length 58 [2020-11-28 03:19:18,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:18,146 INFO L481 AbstractCegarLoop]: Abstraction has 197 states and 255 transitions. [2020-11-28 03:19:18,146 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:19:18,146 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 255 transitions. [2020-11-28 03:19:18,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-28 03:19:18,147 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:18,147 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:18,147 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-28 03:19:18,147 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:18,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:18,148 INFO L82 PathProgramCache]: Analyzing trace with hash 1047797080, now seen corresponding path program 1 times [2020-11-28 03:19:18,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:18,148 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253561450] [2020-11-28 03:19:18,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:18,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:18,269 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-28 03:19:18,270 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253561450] [2020-11-28 03:19:18,270 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:18,270 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-28 03:19:18,270 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857528535] [2020-11-28 03:19:18,271 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-28 03:19:18,271 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:18,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-28 03:19:18,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:19:18,272 INFO L87 Difference]: Start difference. First operand 197 states and 255 transitions. Second operand 7 states. [2020-11-28 03:19:18,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:18,420 INFO L93 Difference]: Finished difference Result 528 states and 701 transitions. [2020-11-28 03:19:18,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-28 03:19:18,421 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2020-11-28 03:19:18,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:18,423 INFO L225 Difference]: With dead ends: 528 [2020-11-28 03:19:18,424 INFO L226 Difference]: Without dead ends: 388 [2020-11-28 03:19:18,424 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-11-28 03:19:18,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2020-11-28 03:19:18,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 203. [2020-11-28 03:19:18,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2020-11-28 03:19:18,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 261 transitions. [2020-11-28 03:19:18,471 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 261 transitions. Word has length 58 [2020-11-28 03:19:18,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:18,472 INFO L481 AbstractCegarLoop]: Abstraction has 203 states and 261 transitions. [2020-11-28 03:19:18,472 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-28 03:19:18,472 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 261 transitions. [2020-11-28 03:19:18,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-11-28 03:19:18,473 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:19:18,473 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:19:18,473 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-28 03:19:18,473 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:19:18,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:19:18,474 INFO L82 PathProgramCache]: Analyzing trace with hash 789631642, now seen corresponding path program 1 times [2020-11-28 03:19:18,474 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:19:18,475 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434762240] [2020-11-28 03:19:18,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:19:18,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:19:18,629 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:19:18,630 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434762240] [2020-11-28 03:19:18,630 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:19:18,630 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-28 03:19:18,630 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563445583] [2020-11-28 03:19:18,630 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 03:19:18,631 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:19:18,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 03:19:18,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:19:18,631 INFO L87 Difference]: Start difference. First operand 203 states and 261 transitions. Second operand 6 states. [2020-11-28 03:19:18,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:19:18,846 INFO L93 Difference]: Finished difference Result 485 states and 640 transitions. [2020-11-28 03:19:18,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-28 03:19:18,846 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2020-11-28 03:19:18,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:19:18,847 INFO L225 Difference]: With dead ends: 485 [2020-11-28 03:19:18,847 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:19:18,848 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 03:19:18,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:19:18,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:19:18,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:19:18,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:19:18,848 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2020-11-28 03:19:18,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:19:18,849 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:19:18,849 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 03:19:18,849 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:19:18,849 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:19:18,849 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-28 03:19:18,851 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:19:19,060 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 80 [2020-11-28 03:19:19,260 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 77 [2020-11-28 03:19:19,486 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 69 [2020-11-28 03:19:19,705 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 83 [2020-11-28 03:19:20,330 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 36 [2020-11-28 03:19:20,553 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 35 [2020-11-28 03:19:20,767 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 24 [2020-11-28 03:19:20,885 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 29 [2020-11-28 03:19:21,200 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 36 [2020-11-28 03:19:21,459 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 24 [2020-11-28 03:19:21,690 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 24 [2020-11-28 03:19:22,007 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 36 [2020-11-28 03:19:22,432 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 42 [2020-11-28 03:19:22,625 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 35 [2020-11-28 03:19:22,782 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 24 [2020-11-28 03:19:22,785 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:19:22,785 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 03:19:22,785 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 03:19:22,785 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-28 03:19:22,785 INFO L274 CegarLoopResult]: For program point L169(lines 169 176) no Hoare annotation was computed. [2020-11-28 03:19:22,785 INFO L277 CegarLoopResult]: At program point L169-1(lines 169 176) the Hoare annotation is: true [2020-11-28 03:19:22,785 INFO L270 CegarLoopResult]: At program point L599(lines 550 600) the Hoare annotation is: false [2020-11-28 03:19:22,785 INFO L274 CegarLoopResult]: For program point L401(lines 401 418) no Hoare annotation was computed. [2020-11-28 03:19:22,785 INFO L274 CegarLoopResult]: For program point L401-1(lines 401 418) no Hoare annotation was computed. [2020-11-28 03:19:22,786 INFO L274 CegarLoopResult]: For program point L401-2(lines 401 418) no Hoare annotation was computed. [2020-11-28 03:19:22,786 INFO L274 CegarLoopResult]: For program point L236(lines 236 240) no Hoare annotation was computed. [2020-11-28 03:19:22,786 INFO L274 CegarLoopResult]: For program point L203(lines 203 220) no Hoare annotation was computed. [2020-11-28 03:19:22,786 INFO L270 CegarLoopResult]: At program point L203-1(lines 1 981) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0) .cse4 (= ~methAndRunningLastTime~0 0)) (and .cse0 (not .cse2) .cse1 (<= 2 ~waterLevel~0) .cse3 .cse4))) [2020-11-28 03:19:22,786 INFO L274 CegarLoopResult]: For program point L236-3(lines 236 240) no Hoare annotation was computed. [2020-11-28 03:19:22,786 INFO L274 CegarLoopResult]: For program point L203-2(lines 203 220) no Hoare annotation was computed. [2020-11-28 03:19:22,786 INFO L270 CegarLoopResult]: At program point L203-3(lines 1 981) the Hoare annotation is: false [2020-11-28 03:19:22,786 INFO L274 CegarLoopResult]: For program point L203-4(lines 203 220) no Hoare annotation was computed. [2020-11-28 03:19:22,786 INFO L274 CegarLoopResult]: For program point L236-6(lines 236 240) no Hoare annotation was computed. [2020-11-28 03:19:22,786 INFO L270 CegarLoopResult]: At program point L203-5(lines 1 981) the Hoare annotation is: false [2020-11-28 03:19:22,786 INFO L274 CegarLoopResult]: For program point L503(lines 503 507) no Hoare annotation was computed. [2020-11-28 03:19:22,787 INFO L274 CegarLoopResult]: For program point L503-2(lines 503 507) no Hoare annotation was computed. [2020-11-28 03:19:22,787 INFO L274 CegarLoopResult]: For program point L503-3(lines 503 507) no Hoare annotation was computed. [2020-11-28 03:19:22,787 INFO L274 CegarLoopResult]: For program point L503-5(lines 503 507) no Hoare annotation was computed. [2020-11-28 03:19:22,787 INFO L274 CegarLoopResult]: For program point L503-6(lines 503 507) no Hoare annotation was computed. [2020-11-28 03:19:22,787 INFO L274 CegarLoopResult]: For program point L503-8(lines 503 507) no Hoare annotation was computed. [2020-11-28 03:19:22,787 INFO L274 CegarLoopResult]: For program point L503-9(lines 503 507) no Hoare annotation was computed. [2020-11-28 03:19:22,787 INFO L274 CegarLoopResult]: For program point L503-11(lines 503 507) no Hoare annotation was computed. [2020-11-28 03:19:22,787 INFO L274 CegarLoopResult]: For program point L503-12(lines 503 507) no Hoare annotation was computed. [2020-11-28 03:19:22,787 INFO L274 CegarLoopResult]: For program point L503-14(lines 503 507) no Hoare annotation was computed. [2020-11-28 03:19:22,787 INFO L274 CegarLoopResult]: For program point L503-15(lines 503 507) no Hoare annotation was computed. [2020-11-28 03:19:22,787 INFO L274 CegarLoopResult]: For program point L503-17(lines 503 507) no Hoare annotation was computed. [2020-11-28 03:19:22,787 INFO L274 CegarLoopResult]: For program point L405(lines 405 413) no Hoare annotation was computed. [2020-11-28 03:19:22,788 INFO L274 CegarLoopResult]: For program point L405-1(lines 405 413) no Hoare annotation was computed. [2020-11-28 03:19:22,788 INFO L274 CegarLoopResult]: For program point L405-2(lines 405 413) no Hoare annotation was computed. [2020-11-28 03:19:22,788 INFO L270 CegarLoopResult]: At program point L273(lines 268 276) the Hoare annotation is: (let ((.cse4 (<= 1 ~waterLevel~0)) (.cse7 (= ~methAndRunningLastTime~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse6 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse0 (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) .cse1 (<= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5) .cse2 (<= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse3 .cse5 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse7) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse6 .cse3 .cse5) (and .cse0 .cse1 .cse6 .cse2 .cse3 .cse5))) [2020-11-28 03:19:22,788 INFO L270 CegarLoopResult]: At program point L273-1(lines 268 276) the Hoare annotation is: false [2020-11-28 03:19:22,788 INFO L274 CegarLoopResult]: For program point L207(lines 207 217) no Hoare annotation was computed. [2020-11-28 03:19:22,788 INFO L270 CegarLoopResult]: At program point L273-2(lines 268 276) the Hoare annotation is: false [2020-11-28 03:19:22,788 INFO L274 CegarLoopResult]: For program point L207-2(lines 207 217) no Hoare annotation was computed. [2020-11-28 03:19:22,788 INFO L270 CegarLoopResult]: At program point L75(lines 70 78) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-11-28 03:19:22,788 INFO L274 CegarLoopResult]: For program point L207-4(lines 207 217) no Hoare annotation was computed. [2020-11-28 03:19:22,788 INFO L274 CegarLoopResult]: For program point L571(lines 571 577) no Hoare annotation was computed. [2020-11-28 03:19:22,789 INFO L270 CegarLoopResult]: At program point L571-1(lines 571 577) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0) .cse4 (= ~methAndRunningLastTime~0 0)) (and .cse0 (not .cse2) .cse1 (<= 2 ~waterLevel~0) .cse3 .cse4))) [2020-11-28 03:19:22,789 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:19:22,789 INFO L274 CegarLoopResult]: For program point L208(lines 208 214) no Hoare annotation was computed. [2020-11-28 03:19:22,789 INFO L274 CegarLoopResult]: For program point L208-2(lines 208 214) no Hoare annotation was computed. [2020-11-28 03:19:22,789 INFO L274 CegarLoopResult]: For program point L208-4(lines 208 214) no Hoare annotation was computed. [2020-11-28 03:19:22,789 INFO L270 CegarLoopResult]: At program point L143(lines 139 145) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-11-28 03:19:22,789 INFO L274 CegarLoopResult]: For program point L375(lines 375 392) no Hoare annotation was computed. [2020-11-28 03:19:22,789 INFO L274 CegarLoopResult]: For program point L375-1(lines 375 392) no Hoare annotation was computed. [2020-11-28 03:19:22,789 INFO L274 CegarLoopResult]: For program point L375-2(lines 375 392) no Hoare annotation was computed. [2020-11-28 03:19:22,789 INFO L274 CegarLoopResult]: For program point L375-3(lines 375 392) no Hoare annotation was computed. [2020-11-28 03:19:22,790 INFO L274 CegarLoopResult]: For program point L375-4(lines 375 392) no Hoare annotation was computed. [2020-11-28 03:19:22,790 INFO L274 CegarLoopResult]: For program point L375-5(lines 375 392) no Hoare annotation was computed. [2020-11-28 03:19:22,790 INFO L270 CegarLoopResult]: At program point L343(lines 342 361) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (not (= 0 ~systemActive~0))) (.cse6 (<= 1 ~waterLevel~0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse4 .cse6 .cse5 (= ~methAndRunningLastTime~0 0)) (and (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse0 .cse1 (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) .cse2 (<= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5) .cse3 (<= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) .cse4 .cse6 .cse5) (and .cse0 (not .cse3) .cse2 .cse6 .cse4 .cse5))) [2020-11-28 03:19:22,790 INFO L274 CegarLoopResult]: For program point L343-1(lines 343 349) no Hoare annotation was computed. [2020-11-28 03:19:22,790 INFO L270 CegarLoopResult]: At program point L343-2(lines 342 361) the Hoare annotation is: false [2020-11-28 03:19:22,790 INFO L270 CegarLoopResult]: At program point L343-3(lines 342 361) the Hoare annotation is: false [2020-11-28 03:19:22,790 INFO L277 CegarLoopResult]: At program point L178(lines 159 181) the Hoare annotation is: true [2020-11-28 03:19:22,790 INFO L270 CegarLoopResult]: At program point L509(lines 494 512) the Hoare annotation is: false [2020-11-28 03:19:22,791 INFO L270 CegarLoopResult]: At program point L509-1(lines 494 512) the Hoare annotation is: (let ((.cse9 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (.cse1 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0))) (.cse7 (= ULTIMATE.start_main_~tmp~0 1)) (.cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse8 (not (= 0 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse10 (= ~methAndRunningLastTime~0 0))) (or (and (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse0 .cse1 (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) .cse2 .cse3 (<= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) .cse4 .cse5 .cse6 .cse7 (<= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5) .cse8) (and .cse7 (= ~methaneLevelCritical~0 0) .cse8 .cse9 .cse3 .cse4 .cse6) (and .cse0 .cse1 .cse7 .cse2 .cse8 .cse9 .cse3 .cse4 .cse6) (and .cse7 .cse8 .cse9 .cse3 .cse4 .cse6 .cse10) (and .cse0 .cse1 .cse7 .cse2 .cse8 .cse3 .cse4 .cse5 .cse6 .cse10))) [2020-11-28 03:19:22,791 INFO L270 CegarLoopResult]: At program point L509-2(lines 494 512) the Hoare annotation is: false [2020-11-28 03:19:22,791 INFO L270 CegarLoopResult]: At program point L509-3(lines 494 512) the Hoare annotation is: false [2020-11-28 03:19:22,791 INFO L270 CegarLoopResult]: At program point L509-4(lines 494 512) the Hoare annotation is: false [2020-11-28 03:19:22,791 INFO L270 CegarLoopResult]: At program point L509-5(lines 494 512) the Hoare annotation is: false [2020-11-28 03:19:22,791 INFO L274 CegarLoopResult]: For program point L379(lines 379 387) no Hoare annotation was computed. [2020-11-28 03:19:22,791 INFO L274 CegarLoopResult]: For program point L379-1(lines 379 387) no Hoare annotation was computed. [2020-11-28 03:19:22,791 INFO L274 CegarLoopResult]: For program point L313(lines 313 319) no Hoare annotation was computed. [2020-11-28 03:19:22,791 INFO L274 CegarLoopResult]: For program point L379-2(lines 379 387) no Hoare annotation was computed. [2020-11-28 03:19:22,791 INFO L274 CegarLoopResult]: For program point L313-1(lines 313 319) no Hoare annotation was computed. [2020-11-28 03:19:22,791 INFO L274 CegarLoopResult]: For program point L379-3(lines 379 387) no Hoare annotation was computed. [2020-11-28 03:19:22,791 INFO L274 CegarLoopResult]: For program point L313-2(lines 313 319) no Hoare annotation was computed. [2020-11-28 03:19:22,791 INFO L274 CegarLoopResult]: For program point L379-4(lines 379 387) no Hoare annotation was computed. [2020-11-28 03:19:22,792 INFO L274 CegarLoopResult]: For program point L313-3(lines 313 319) no Hoare annotation was computed. [2020-11-28 03:19:22,792 INFO L274 CegarLoopResult]: For program point L379-5(lines 379 387) no Hoare annotation was computed. [2020-11-28 03:19:22,792 INFO L274 CegarLoopResult]: For program point L313-4(lines 313 319) no Hoare annotation was computed. [2020-11-28 03:19:22,792 INFO L274 CegarLoopResult]: For program point L313-5(lines 313 319) no Hoare annotation was computed. [2020-11-28 03:19:22,792 INFO L274 CegarLoopResult]: For program point L248(lines 248 252) no Hoare annotation was computed. [2020-11-28 03:19:22,792 INFO L274 CegarLoopResult]: For program point L581(lines 581 594) no Hoare annotation was computed. [2020-11-28 03:19:22,792 INFO L270 CegarLoopResult]: At program point L350(lines 350 356) the Hoare annotation is: (let ((.cse4 (<= 1 ~waterLevel~0)) (.cse7 (= ~methAndRunningLastTime~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse6 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse0 (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) .cse1 (<= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5) .cse2 (<= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse3 .cse5 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse7) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse6 .cse3 .cse5) (and .cse0 .cse1 .cse6 .cse2 .cse3 .cse5))) [2020-11-28 03:19:22,792 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:19:22,792 INFO L270 CegarLoopResult]: At program point L350-1(lines 350 356) the Hoare annotation is: false [2020-11-28 03:19:22,792 INFO L270 CegarLoopResult]: At program point L350-2(lines 350 356) the Hoare annotation is: false [2020-11-28 03:19:22,793 INFO L274 CegarLoopResult]: For program point L978(line 978) no Hoare annotation was computed. [2020-11-28 03:19:22,793 INFO L274 CegarLoopResult]: For program point L978-1(line 978) no Hoare annotation was computed. [2020-11-28 03:19:22,793 INFO L274 CegarLoopResult]: For program point L978-2(line 978) no Hoare annotation was computed. [2020-11-28 03:19:22,793 INFO L270 CegarLoopResult]: At program point L318(lines 309 322) the Hoare annotation is: false [2020-11-28 03:19:22,793 INFO L270 CegarLoopResult]: At program point L318-1(lines 309 322) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse6 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse7 (<= 1 ~waterLevel~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse8 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse0 (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) .cse1 (<= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5) .cse3 (<= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) .cse4 .cse7 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse8) (and .cse6 .cse0 .cse1 .cse3 .cse4 .cse7 .cse5 .cse8))) [2020-11-28 03:19:22,793 INFO L270 CegarLoopResult]: At program point L318-2(lines 309 322) the Hoare annotation is: false [2020-11-28 03:19:22,793 INFO L270 CegarLoopResult]: At program point L318-3(lines 309 322) the Hoare annotation is: false [2020-11-28 03:19:22,793 INFO L270 CegarLoopResult]: At program point L318-4(lines 309 322) the Hoare annotation is: false [2020-11-28 03:19:22,793 INFO L270 CegarLoopResult]: At program point L318-5(lines 309 322) the Hoare annotation is: false [2020-11-28 03:19:22,793 INFO L274 CegarLoopResult]: For program point L552(lines 551 598) no Hoare annotation was computed. [2020-11-28 03:19:22,794 INFO L274 CegarLoopResult]: For program point L553(lines 553 557) no Hoare annotation was computed. [2020-11-28 03:19:22,794 INFO L270 CegarLoopResult]: At program point L454(lines 449 457) the Hoare annotation is: (let ((.cse3 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (<= 1 ~waterLevel~0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse7 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 (not .cse4) .cse1 .cse3 .cse5 .cse6 .cse7) (and (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse0 (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) .cse1 (<= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5) .cse2 .cse4 (<= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) .cse5 .cse8 .cse6) (and .cse0 .cse1 .cse2 .cse4 .cse5 .cse8 .cse6 .cse7))) [2020-11-28 03:19:22,794 INFO L270 CegarLoopResult]: At program point L454-1(lines 449 457) the Hoare annotation is: false [2020-11-28 03:19:22,794 INFO L270 CegarLoopResult]: At program point L454-2(lines 449 457) the Hoare annotation is: false [2020-11-28 03:19:22,794 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:19:22,794 INFO L270 CegarLoopResult]: At program point L92-2(lines 92 106) the Hoare annotation is: false [2020-11-28 03:19:22,794 INFO L274 CegarLoopResult]: For program point L522(lines 522 526) no Hoare annotation was computed. [2020-11-28 03:19:22,794 INFO L274 CegarLoopResult]: For program point L522-2(lines 522 526) no Hoare annotation was computed. [2020-11-28 03:19:22,794 INFO L274 CegarLoopResult]: For program point L522-3(lines 522 526) no Hoare annotation was computed. [2020-11-28 03:19:22,794 INFO L274 CegarLoopResult]: For program point L522-5(lines 522 526) no Hoare annotation was computed. [2020-11-28 03:19:22,794 INFO L274 CegarLoopResult]: For program point L522-6(lines 522 526) no Hoare annotation was computed. [2020-11-28 03:19:22,794 INFO L274 CegarLoopResult]: For program point L522-8(lines 522 526) no Hoare annotation was computed. [2020-11-28 03:19:22,795 INFO L270 CegarLoopResult]: At program point L192(lines 187 194) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-11-28 03:19:22,795 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-11-28 03:19:22,795 INFO L274 CegarLoopResult]: For program point L589(lines 589 593) no Hoare annotation was computed. [2020-11-28 03:19:22,795 INFO L270 CegarLoopResult]: At program point L589-2(lines 343 349) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0) .cse4 (= ~methAndRunningLastTime~0 0)) (and .cse0 (not .cse2) .cse1 (<= 2 ~waterLevel~0) .cse3 .cse4))) [2020-11-28 03:19:22,795 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:19:22,795 INFO L274 CegarLoopResult]: For program point L260(lines 260 264) no Hoare annotation was computed. [2020-11-28 03:19:22,795 INFO L274 CegarLoopResult]: For program point L96(lines 96 100) no Hoare annotation was computed. [2020-11-28 03:19:22,795 INFO L274 CegarLoopResult]: For program point L96-1(lines 343 349) no Hoare annotation was computed. [2020-11-28 03:19:22,795 INFO L270 CegarLoopResult]: At program point L328(lines 323 331) the Hoare annotation is: (and (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_main_~tmp~0 1) (not (= ~pumpRunning~0 0)) (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 03:19:22,795 INFO L270 CegarLoopResult]: At program point L328-1(lines 323 331) the Hoare annotation is: false [2020-11-28 03:19:22,796 INFO L270 CegarLoopResult]: At program point L328-2(lines 323 331) the Hoare annotation is: false [2020-11-28 03:19:22,796 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:19:22,796 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:19:22,796 INFO L274 CegarLoopResult]: For program point L561(lines 561 567) no Hoare annotation was computed. [2020-11-28 03:19:22,796 INFO L270 CegarLoopResult]: At program point L561-1(lines 561 567) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (not (= 0 ~systemActive~0))) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0) .cse4 (= ~methAndRunningLastTime~0 0)) (and .cse0 (not .cse2) .cse1 (<= 2 ~waterLevel~0) .cse3 .cse4))) [2020-11-28 03:19:22,796 INFO L270 CegarLoopResult]: At program point L528(lines 513 531) the Hoare annotation is: (and (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (not (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 0)) (= ULTIMATE.start_main_~tmp~0 1) (not (= |ULTIMATE.start_isLowWaterLevel_#res| 0)) (not (= ~pumpRunning~0 0)) (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (not (= 0 ~systemActive~0)) (<= 0 ULTIMATE.start_isLowWaterLevel_~tmp~5) (<= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-11-28 03:19:22,796 INFO L270 CegarLoopResult]: At program point L528-1(lines 513 531) the Hoare annotation is: false [2020-11-28 03:19:22,796 INFO L270 CegarLoopResult]: At program point L528-2(lines 513 531) the Hoare annotation is: false [2020-11-28 03:19:22,797 INFO L270 CegarLoopResult]: At program point L67(lines 1 981) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-11-28 03:19:22,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:19:22 BoogieIcfgContainer [2020-11-28 03:19:22,833 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:19:22,833 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:19:22,833 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:19:22,834 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:19:22,834 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:19:15" (3/4) ... [2020-11-28 03:19:22,837 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:19:22,857 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-28 03:19:22,858 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 03:19:22,859 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 03:19:22,860 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 03:19:22,862 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 03:19:22,863 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:19:22,864 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:19:22,889 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2020-11-28 03:19:22,889 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2020-11-28 03:19:22,889 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2020-11-28 03:19:22,889 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || (((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) [2020-11-28 03:19:22,890 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || (((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) [2020-11-28 03:19:22,890 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || (((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) [2020-11-28 03:19:22,891 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || (((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) [2020-11-28 03:19:22,891 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0)) || ((((((((((\result <= 0 && tmp == 1) && methaneLevelCritical == 0) && 0 <= \result) && !(0 == systemActive)) && 0 <= tmp) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) [2020-11-28 03:19:22,892 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((\result <= 0 && tmp == 1) && 0 <= \result) && !(0 == systemActive)) && 0 <= tmp) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0)) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-11-28 03:19:22,893 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((\result <= 0 && tmp == 1) && 0 <= \result) && !(0 == systemActive)) && 0 <= tmp) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0)) || ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) [2020-11-28 03:19:22,894 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result <= 0 && tmp == 1) && !(pumpRunning == 0)) && 0 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 [2020-11-28 03:19:22,894 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((((((!(\result == 0) && \result <= 0) && tmp == 1) && 0 <= \result) && !(0 == systemActive)) && 0 <= tmp) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((((!(\result == 0) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) [2020-11-28 03:19:22,894 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1 && !(0 == systemActive)) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || ((((((((((\result <= 0 && tmp == 1) && 0 <= \result) && !(0 == systemActive)) && 0 <= tmp) && \result == 0) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((((tmp == 1 && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) [2020-11-28 03:19:22,895 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((\result <= 0 && !(tmp___0 == 0)) && tmp == 1) && !(\result == 0)) && !(pumpRunning == 0)) && 0 <= \result) && !(0 == systemActive)) && 0 <= tmp) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 [2020-11-28 03:19:22,895 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((\result <= 0 && tmp___0 == 0) && !(tmp == 0)) && 0 <= \result) && \result == 0) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1) && 0 <= tmp) && !(0 == systemActive)) || ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((((tmp___0 == 0 && !(tmp == 0)) && tmp == 1) && \result == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((((((tmp___0 == 0 && !(tmp == 0)) && tmp == 1) && \result == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) [2020-11-28 03:19:22,988 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_bb5c281a-9e79-41be-92d6-aad06b35ee3b/bin/uautomizer/witness.graphml [2020-11-28 03:19:22,988 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:19:22,990 INFO L168 Benchmark]: Toolchain (without parser) took 9672.56 ms. Allocated memory was 117.4 MB in the beginning and 188.7 MB in the end (delta: 71.3 MB). Free memory was 85.0 MB in the beginning and 128.9 MB in the end (delta: -44.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:22,990 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 79.7 MB. Free memory was 50.3 MB in the beginning and 50.3 MB in the end (delta: 25.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:19:22,990 INFO L168 Benchmark]: CACSL2BoogieTranslator took 650.58 ms. Allocated memory is still 117.4 MB. Free memory was 84.3 MB in the beginning and 83.8 MB in the end (delta: 498.2 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:22,991 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.86 ms. Allocated memory is still 117.4 MB. Free memory was 83.8 MB in the beginning and 80.1 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:22,991 INFO L168 Benchmark]: Boogie Preprocessor took 51.44 ms. Allocated memory is still 117.4 MB. Free memory was 80.1 MB in the beginning and 77.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:22,991 INFO L168 Benchmark]: RCFGBuilder took 1174.06 ms. Allocated memory is still 117.4 MB. Free memory was 76.9 MB in the beginning and 63.4 MB in the end (delta: 13.5 MB). Peak memory consumption was 35.0 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:22,992 INFO L168 Benchmark]: TraceAbstraction took 7524.37 ms. Allocated memory was 117.4 MB in the beginning and 188.7 MB in the end (delta: 71.3 MB). Free memory was 62.7 MB in the beginning and 139.4 MB in the end (delta: -76.7 MB). Peak memory consumption was 82.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:22,992 INFO L168 Benchmark]: Witness Printer took 155.14 ms. Allocated memory is still 188.7 MB. Free memory was 139.4 MB in the beginning and 128.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:19:23,002 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 79.7 MB. Free memory was 50.3 MB in the beginning and 50.3 MB in the end (delta: 25.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 650.58 ms. Allocated memory is still 117.4 MB. Free memory was 84.3 MB in the beginning and 83.8 MB in the end (delta: 498.2 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 105.86 ms. Allocated memory is still 117.4 MB. Free memory was 83.8 MB in the beginning and 80.1 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 51.44 ms. Allocated memory is still 117.4 MB. Free memory was 80.1 MB in the beginning and 77.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1174.06 ms. Allocated memory is still 117.4 MB. Free memory was 76.9 MB in the beginning and 63.4 MB in the end (delta: 13.5 MB). Peak memory consumption was 35.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7524.37 ms. Allocated memory was 117.4 MB in the beginning and 188.7 MB in the end (delta: 71.3 MB). Free memory was 62.7 MB in the beginning and 139.4 MB in the end (delta: -76.7 MB). Peak memory consumption was 82.7 MB. Max. memory is 16.1 GB. * Witness Printer took 155.14 ms. Allocated memory is still 188.7 MB. Free memory was 139.4 MB in the beginning and 128.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 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: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 550]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: ((((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0)) || ((((((((((\result <= 0 && tmp == 1) && methaneLevelCritical == 0) && 0 <= \result) && !(0 == systemActive)) && 0 <= tmp) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 1 <= waterLevel) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: ((((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((((((!(\result == 0) && \result <= 0) && tmp == 1) && 0 <= \result) && !(0 == systemActive)) && 0 <= tmp) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((((!(\result == 0) && tmp == 1) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || (((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: ((((((((((\result <= 0 && !(tmp___0 == 0)) && tmp == 1) && !(\result == 0)) && !(pumpRunning == 0)) && 0 <= \result) && !(0 == systemActive)) && 0 <= tmp) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: ((((((((((((\result <= 0 && tmp == 1) && 0 <= \result) && !(0 == systemActive)) && 0 <= tmp) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0)) || ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 343]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || (((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || (((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: ((((((((((((\result <= 0 && tmp == 1) && 0 <= \result) && !(0 == systemActive)) && 0 <= tmp) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0)) || (((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1)) || (((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 && tmp == 1) && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((((waterLevel == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: ((((((\result <= 0 && tmp == 1) && !(pumpRunning == 0)) && 0 <= \result) && !(0 == systemActive)) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: (((((((((((((((\result <= 0 && tmp___0 == 0) && !(tmp == 0)) && 0 <= \result) && \result == 0) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1) && 0 <= tmp) && !(0 == systemActive)) || ((((((tmp == 1 && methaneLevelCritical == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((((tmp___0 == 0 && !(tmp == 0)) && tmp == 1) && \result == 0) && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1)) || ((((((tmp == 1 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || (((((((((tmp___0 == 0 && !(tmp == 0)) && tmp == 1) && \result == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: ((((((((tmp == 1 && !(0 == systemActive)) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || ((((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && methAndRunningLastTime == 0)) || ((((((((((\result <= 0 && tmp == 1) && 0 <= \result) && !(0 == systemActive)) && 0 <= tmp) && \result == 0) && pumpRunning == 0) && tmp <= 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((((tmp == 1 && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && methAndRunningLastTime == 0) || (((((tmp == 1 && !(pumpRunning == 0)) && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 124 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.4s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1235 SDtfs, 1858 SDslu, 1702 SDs, 0 SdLazy, 228 SolverSat, 48 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 98 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=234occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 807 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 171 NumberOfFragments, 1065 HoareAnnotationTreeSize, 44 FomulaSimplifications, 463335 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 44 FomulaSimplificationsInter, 9569 FormulaSimplificationTreeSizeReductionInter, 2.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 458 NumberOfCodeBlocks, 458 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 445 ConstructedInterpolants, 0 QuantifiedInterpolants, 32801 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 58/58 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...