./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product64.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_e7b40c13-ec0d-4d26-9a27-3d3bc7b67bdc/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e7b40c13-ec0d-4d26-9a27-3d3bc7b67bdc/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e7b40c13-ec0d-4d26-9a27-3d3bc7b67bdc/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e7b40c13-ec0d-4d26-9a27-3d3bc7b67bdc/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product64.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e7b40c13-ec0d-4d26-9a27-3d3bc7b67bdc/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e7b40c13-ec0d-4d26-9a27-3d3bc7b67bdc/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 e54df5218807ebc1aaf13f5cda92067864bfb3d3 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 03:12:04,931 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:12:04,934 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:12:04,997 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:12:04,997 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:12:04,999 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:12:05,001 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:12:05,003 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:12:05,014 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:12:05,022 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:12:05,024 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:12:05,027 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:12:05,028 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:12:05,032 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:12:05,034 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:12:05,037 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:12:05,038 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:12:05,042 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:12:05,049 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:12:05,057 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:12:05,061 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:12:05,062 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:12:05,065 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:12:05,066 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:12:05,076 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:12:05,076 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:12:05,077 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:12:05,079 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:12:05,080 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:12:05,081 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:12:05,081 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:12:05,083 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:12:05,085 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:12:05,086 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:12:05,088 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:12:05,088 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:12:05,089 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:12:05,089 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:12:05,089 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:12:05,090 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:12:05,093 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:12:05,097 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e7b40c13-ec0d-4d26-9a27-3d3bc7b67bdc/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:12:05,143 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:12:05,148 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:12:05,151 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:12:05,151 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:12:05,151 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:12:05,152 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:12:05,152 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:12:05,152 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:12:05,152 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:12:05,153 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:12:05,154 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:12:05,154 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:12:05,154 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:12:05,155 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:12:05,155 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:12:05,155 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:12:05,155 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:12:05,156 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:12:05,156 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:12:05,156 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:12:05,156 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:12:05,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:12:05,157 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:12:05,157 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:12:05,157 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:12:05,158 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:12:05,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:12:05,158 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:12:05,158 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:12:05,159 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_e7b40c13-ec0d-4d26-9a27-3d3bc7b67bdc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e7b40c13-ec0d-4d26-9a27-3d3bc7b67bdc/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e54df5218807ebc1aaf13f5cda92067864bfb3d3 [2020-11-28 03:12:05,454 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:12:05,492 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:12:05,495 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:12:05,496 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:12:05,497 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:12:05,498 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e7b40c13-ec0d-4d26-9a27-3d3bc7b67bdc/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product64.cil.c [2020-11-28 03:12:05,576 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e7b40c13-ec0d-4d26-9a27-3d3bc7b67bdc/bin/uautomizer/data/8b37f5d87/2ea6506a2a634870909b7536768380e2/FLAG0e6a6d6a7 [2020-11-28 03:12:06,289 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:12:06,290 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e7b40c13-ec0d-4d26-9a27-3d3bc7b67bdc/sv-benchmarks/c/product-lines/minepump_spec2_product64.cil.c [2020-11-28 03:12:06,318 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e7b40c13-ec0d-4d26-9a27-3d3bc7b67bdc/bin/uautomizer/data/8b37f5d87/2ea6506a2a634870909b7536768380e2/FLAG0e6a6d6a7 [2020-11-28 03:12:06,578 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e7b40c13-ec0d-4d26-9a27-3d3bc7b67bdc/bin/uautomizer/data/8b37f5d87/2ea6506a2a634870909b7536768380e2 [2020-11-28 03:12:06,581 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:12:06,585 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:12:06,590 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:12:06,590 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:12:06,594 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:12:06,596 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:12:06" (1/1) ... [2020-11-28 03:12:06,600 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d876ed5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:12:06, skipping insertion in model container [2020-11-28 03:12:06,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:12:06" (1/1) ... [2020-11-28 03:12:06,609 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:12:06,688 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:12:07,134 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:12:07,155 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:12:07,279 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:12:07,323 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:12:07,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:12:07 WrapperNode [2020-11-28 03:12:07,323 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:12:07,325 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:12:07,325 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:12:07,325 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:12:07,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:12:07" (1/1) ... [2020-11-28 03:12:07,352 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:12:07" (1/1) ... [2020-11-28 03:12:07,432 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:12:07,433 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:12:07,433 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:12:07,433 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:12:07,443 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:12:07" (1/1) ... [2020-11-28 03:12:07,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:12:07" (1/1) ... [2020-11-28 03:12:07,452 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:12:07" (1/1) ... [2020-11-28 03:12:07,453 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:12:07" (1/1) ... [2020-11-28 03:12:07,479 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:12:07" (1/1) ... [2020-11-28 03:12:07,493 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:12:07" (1/1) ... [2020-11-28 03:12:07,500 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:12:07" (1/1) ... [2020-11-28 03:12:07,515 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:12:07,516 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:12:07,517 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:12:07,517 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:12:07,532 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:12:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e7b40c13-ec0d-4d26-9a27-3d3bc7b67bdc/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 03:12:07,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:12:07,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:12:07,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:12:07,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:12:09,199 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:12:09,199 INFO L298 CfgBuilder]: Removed 362 assume(true) statements. [2020-11-28 03:12:09,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:12:09 BoogieIcfgContainer [2020-11-28 03:12:09,204 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:12:09,206 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:12:09,207 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:12:09,211 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:12:09,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:12:06" (1/3) ... [2020-11-28 03:12:09,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ab65ede and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:12:09, skipping insertion in model container [2020-11-28 03:12:09,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:12:07" (2/3) ... [2020-11-28 03:12:09,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ab65ede and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:12:09, skipping insertion in model container [2020-11-28 03:12:09,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:12:09" (3/3) ... [2020-11-28 03:12:09,214 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product64.cil.c [2020-11-28 03:12:09,226 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:12:09,231 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-11-28 03:12:09,242 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-28 03:12:09,266 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:12:09,267 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:12:09,267 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:12:09,267 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:12:09,267 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:12:09,267 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:12:09,267 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:12:09,267 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:12:09,289 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states. [2020-11-28 03:12:09,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 03:12:09,300 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:12:09,301 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 03:12:09,301 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:12:09,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:12:09,308 INFO L82 PathProgramCache]: Analyzing trace with hash 1592031075, now seen corresponding path program 1 times [2020-11-28 03:12:09,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:12:09,317 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638818215] [2020-11-28 03:12:09,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:12:09,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:12:09,682 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 03:12:09,684 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638818215] [2020-11-28 03:12:09,685 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:12:09,685 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:12:09,687 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349010073] [2020-11-28 03:12:09,692 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 03:12:09,693 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:12:09,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 03:12:09,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:12:09,714 INFO L87 Difference]: Start difference. First operand 234 states. Second operand 2 states. [2020-11-28 03:12:09,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:12:09,795 INFO L93 Difference]: Finished difference Result 458 states and 687 transitions. [2020-11-28 03:12:09,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:12:09,797 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-11-28 03:12:09,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:12:09,821 INFO L225 Difference]: With dead ends: 458 [2020-11-28 03:12:09,821 INFO L226 Difference]: Without dead ends: 227 [2020-11-28 03:12:09,830 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 03:12:09,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2020-11-28 03:12:09,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2020-11-28 03:12:09,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2020-11-28 03:12:09,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 334 transitions. [2020-11-28 03:12:09,928 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 334 transitions. Word has length 18 [2020-11-28 03:12:09,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:12:09,929 INFO L481 AbstractCegarLoop]: Abstraction has 227 states and 334 transitions. [2020-11-28 03:12:09,929 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 03:12:09,930 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 334 transitions. [2020-11-28 03:12:09,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-28 03:12:09,932 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:12:09,932 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 03:12:09,933 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:12:09,933 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:12:09,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:12:09,936 INFO L82 PathProgramCache]: Analyzing trace with hash 742929603, now seen corresponding path program 1 times [2020-11-28 03:12:09,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:12:09,937 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906097835] [2020-11-28 03:12:09,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:12:10,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:12:10,071 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 03:12:10,072 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906097835] [2020-11-28 03:12:10,072 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:12:10,072 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:12:10,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903679377] [2020-11-28 03:12:10,074 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:12:10,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:12:10,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:12:10,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:12:10,075 INFO L87 Difference]: Start difference. First operand 227 states and 334 transitions. Second operand 3 states. [2020-11-28 03:12:10,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:12:10,108 INFO L93 Difference]: Finished difference Result 227 states and 334 transitions. [2020-11-28 03:12:10,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:12:10,109 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-11-28 03:12:10,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:12:10,111 INFO L225 Difference]: With dead ends: 227 [2020-11-28 03:12:10,111 INFO L226 Difference]: Without dead ends: 87 [2020-11-28 03:12:10,113 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 03:12:10,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-11-28 03:12:10,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2020-11-28 03:12:10,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-11-28 03:12:10,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 127 transitions. [2020-11-28 03:12:10,121 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 127 transitions. Word has length 19 [2020-11-28 03:12:10,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:12:10,122 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 127 transitions. [2020-11-28 03:12:10,122 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:12:10,122 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 127 transitions. [2020-11-28 03:12:10,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 03:12:10,124 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:12:10,124 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 03:12:10,124 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:12:10,125 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:12:10,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:12:10,126 INFO L82 PathProgramCache]: Analyzing trace with hash -2011512384, now seen corresponding path program 1 times [2020-11-28 03:12:10,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:12:10,126 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408849925] [2020-11-28 03:12:10,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:12:10,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:12:10,247 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 03:12:10,248 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408849925] [2020-11-28 03:12:10,248 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:12:10,248 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:12:10,248 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530620497] [2020-11-28 03:12:10,249 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:12:10,249 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:12:10,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:12:10,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:12:10,250 INFO L87 Difference]: Start difference. First operand 87 states and 127 transitions. Second operand 3 states. [2020-11-28 03:12:10,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:12:10,294 INFO L93 Difference]: Finished difference Result 247 states and 367 transitions. [2020-11-28 03:12:10,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:12:10,295 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-11-28 03:12:10,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:12:10,300 INFO L225 Difference]: With dead ends: 247 [2020-11-28 03:12:10,300 INFO L226 Difference]: Without dead ends: 167 [2020-11-28 03:12:10,301 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 03:12:10,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2020-11-28 03:12:10,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 163. [2020-11-28 03:12:10,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-11-28 03:12:10,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 242 transitions. [2020-11-28 03:12:10,334 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 242 transitions. Word has length 24 [2020-11-28 03:12:10,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:12:10,334 INFO L481 AbstractCegarLoop]: Abstraction has 163 states and 242 transitions. [2020-11-28 03:12:10,334 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:12:10,335 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 242 transitions. [2020-11-28 03:12:10,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 03:12:10,336 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:12:10,337 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:12:10,337 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:12:10,337 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:12:10,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:12:10,338 INFO L82 PathProgramCache]: Analyzing trace with hash 1543064518, now seen corresponding path program 1 times [2020-11-28 03:12:10,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:12:10,339 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722287038] [2020-11-28 03:12:10,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:12:10,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:12:10,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:12:10,501 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722287038] [2020-11-28 03:12:10,501 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:12:10,501 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:12:10,502 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116140378] [2020-11-28 03:12:10,502 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:12:10,502 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:12:10,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:12:10,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:12:10,504 INFO L87 Difference]: Start difference. First operand 163 states and 242 transitions. Second operand 3 states. [2020-11-28 03:12:10,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:12:10,582 INFO L93 Difference]: Finished difference Result 332 states and 499 transitions. [2020-11-28 03:12:10,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:12:10,582 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-11-28 03:12:10,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:12:10,584 INFO L225 Difference]: With dead ends: 332 [2020-11-28 03:12:10,584 INFO L226 Difference]: Without dead ends: 176 [2020-11-28 03:12:10,586 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 03:12:10,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2020-11-28 03:12:10,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 174. [2020-11-28 03:12:10,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2020-11-28 03:12:10,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 252 transitions. [2020-11-28 03:12:10,616 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 252 transitions. Word has length 27 [2020-11-28 03:12:10,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:12:10,617 INFO L481 AbstractCegarLoop]: Abstraction has 174 states and 252 transitions. [2020-11-28 03:12:10,618 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:12:10,618 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 252 transitions. [2020-11-28 03:12:10,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 03:12:10,620 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:12:10,621 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:12:10,621 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-28 03:12:10,621 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:12:10,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:12:10,622 INFO L82 PathProgramCache]: Analyzing trace with hash 447177737, now seen corresponding path program 1 times [2020-11-28 03:12:10,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:12:10,624 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232737868] [2020-11-28 03:12:10,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:12:10,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:12:10,777 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 03:12:10,777 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232737868] [2020-11-28 03:12:10,778 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:12:10,778 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:12:10,778 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036682495] [2020-11-28 03:12:10,779 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:12:10,779 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:12:10,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:12:10,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:12:10,780 INFO L87 Difference]: Start difference. First operand 174 states and 252 transitions. Second operand 5 states. [2020-11-28 03:12:11,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:12:11,012 INFO L93 Difference]: Finished difference Result 859 states and 1254 transitions. [2020-11-28 03:12:11,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-28 03:12:11,013 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-11-28 03:12:11,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:12:11,018 INFO L225 Difference]: With dead ends: 859 [2020-11-28 03:12:11,018 INFO L226 Difference]: Without dead ends: 692 [2020-11-28 03:12:11,019 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 03:12:11,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 692 states. [2020-11-28 03:12:11,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 692 to 327. [2020-11-28 03:12:11,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2020-11-28 03:12:11,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 468 transitions. [2020-11-28 03:12:11,099 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 468 transitions. Word has length 27 [2020-11-28 03:12:11,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:12:11,100 INFO L481 AbstractCegarLoop]: Abstraction has 327 states and 468 transitions. [2020-11-28 03:12:11,100 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:12:11,100 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 468 transitions. [2020-11-28 03:12:11,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-28 03:12:11,105 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:12:11,105 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:12:11,105 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-28 03:12:11,106 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:12:11,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:12:11,107 INFO L82 PathProgramCache]: Analyzing trace with hash -986967423, now seen corresponding path program 1 times [2020-11-28 03:12:11,107 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:12:11,107 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429711692] [2020-11-28 03:12:11,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:12:11,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:12:11,219 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 03:12:11,219 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429711692] [2020-11-28 03:12:11,220 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:12:11,222 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:12:11,222 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267682491] [2020-11-28 03:12:11,222 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:12:11,223 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:12:11,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:12:11,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:12:11,223 INFO L87 Difference]: Start difference. First operand 327 states and 468 transitions. Second operand 5 states. [2020-11-28 03:12:11,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:12:11,514 INFO L93 Difference]: Finished difference Result 1273 states and 1823 transitions. [2020-11-28 03:12:11,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-28 03:12:11,515 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2020-11-28 03:12:11,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:12:11,521 INFO L225 Difference]: With dead ends: 1273 [2020-11-28 03:12:11,522 INFO L226 Difference]: Without dead ends: 953 [2020-11-28 03:12:11,523 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 03:12:11,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 953 states. [2020-11-28 03:12:11,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 953 to 325. [2020-11-28 03:12:11,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2020-11-28 03:12:11,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 462 transitions. [2020-11-28 03:12:11,560 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 462 transitions. Word has length 28 [2020-11-28 03:12:11,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:12:11,564 INFO L481 AbstractCegarLoop]: Abstraction has 325 states and 462 transitions. [2020-11-28 03:12:11,564 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:12:11,564 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 462 transitions. [2020-11-28 03:12:11,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-28 03:12:11,569 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:12:11,570 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:12:11,570 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-28 03:12:11,570 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:12:11,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:12:11,572 INFO L82 PathProgramCache]: Analyzing trace with hash -192809145, now seen corresponding path program 1 times [2020-11-28 03:12:11,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:12:11,573 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795137812] [2020-11-28 03:12:11,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:12:11,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:12:11,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:12:11,650 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795137812] [2020-11-28 03:12:11,650 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:12:11,650 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:12:11,651 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443654655] [2020-11-28 03:12:11,651 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:12:11,651 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:12:11,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:12:11,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:12:11,652 INFO L87 Difference]: Start difference. First operand 325 states and 462 transitions. Second operand 4 states. [2020-11-28 03:12:11,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:12:11,761 INFO L93 Difference]: Finished difference Result 949 states and 1348 transitions. [2020-11-28 03:12:11,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:12:11,762 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2020-11-28 03:12:11,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:12:11,767 INFO L225 Difference]: With dead ends: 949 [2020-11-28 03:12:11,767 INFO L226 Difference]: Without dead ends: 631 [2020-11-28 03:12:11,768 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:12:11,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2020-11-28 03:12:11,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 349. [2020-11-28 03:12:11,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2020-11-28 03:12:11,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 486 transitions. [2020-11-28 03:12:11,827 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 486 transitions. Word has length 37 [2020-11-28 03:12:11,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:12:11,828 INFO L481 AbstractCegarLoop]: Abstraction has 349 states and 486 transitions. [2020-11-28 03:12:11,828 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:12:11,828 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 486 transitions. [2020-11-28 03:12:11,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-28 03:12:11,829 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:12:11,829 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:12:11,830 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-28 03:12:11,830 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:12:11,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:12:11,831 INFO L82 PathProgramCache]: Analyzing trace with hash 818308105, now seen corresponding path program 1 times [2020-11-28 03:12:11,831 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:12:11,832 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447331775] [2020-11-28 03:12:11,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:12:11,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:12:11,914 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 03:12:11,915 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447331775] [2020-11-28 03:12:11,915 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:12:11,915 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-28 03:12:11,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049776706] [2020-11-28 03:12:11,916 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:12:11,916 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:12:11,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:12:11,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:12:11,917 INFO L87 Difference]: Start difference. First operand 349 states and 486 transitions. Second operand 5 states. [2020-11-28 03:12:12,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:12:12,082 INFO L93 Difference]: Finished difference Result 891 states and 1229 transitions. [2020-11-28 03:12:12,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 03:12:12,083 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2020-11-28 03:12:12,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:12:12,086 INFO L225 Difference]: With dead ends: 891 [2020-11-28 03:12:12,086 INFO L226 Difference]: Without dead ends: 549 [2020-11-28 03:12:12,087 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 03:12:12,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2020-11-28 03:12:12,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 385. [2020-11-28 03:12:12,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2020-11-28 03:12:12,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 522 transitions. [2020-11-28 03:12:12,127 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 522 transitions. Word has length 37 [2020-11-28 03:12:12,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:12:12,128 INFO L481 AbstractCegarLoop]: Abstraction has 385 states and 522 transitions. [2020-11-28 03:12:12,128 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:12:12,128 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 522 transitions. [2020-11-28 03:12:12,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-28 03:12:12,129 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:12:12,129 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:12:12,129 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-28 03:12:12,130 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:12:12,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:12:12,131 INFO L82 PathProgramCache]: Analyzing trace with hash -1213877499, now seen corresponding path program 1 times [2020-11-28 03:12:12,131 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:12:12,132 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588407106] [2020-11-28 03:12:12,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:12:12,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:12:12,208 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 03:12:12,208 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588407106] [2020-11-28 03:12:12,208 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:12:12,208 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:12:12,208 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775041973] [2020-11-28 03:12:12,209 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:12:12,209 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:12:12,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:12:12,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:12:12,210 INFO L87 Difference]: Start difference. First operand 385 states and 522 transitions. Second operand 3 states. [2020-11-28 03:12:12,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:12:12,283 INFO L93 Difference]: Finished difference Result 871 states and 1175 transitions. [2020-11-28 03:12:12,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:12:12,284 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2020-11-28 03:12:12,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:12:12,287 INFO L225 Difference]: With dead ends: 871 [2020-11-28 03:12:12,288 INFO L226 Difference]: Without dead ends: 493 [2020-11-28 03:12:12,289 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 03:12:12,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2020-11-28 03:12:12,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 493. [2020-11-28 03:12:12,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 493 states. [2020-11-28 03:12:12,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 652 transitions. [2020-11-28 03:12:12,334 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 652 transitions. Word has length 37 [2020-11-28 03:12:12,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:12:12,336 INFO L481 AbstractCegarLoop]: Abstraction has 493 states and 652 transitions. [2020-11-28 03:12:12,336 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:12:12,336 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 652 transitions. [2020-11-28 03:12:12,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-28 03:12:12,338 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:12:12,339 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:12:12,339 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-28 03:12:12,339 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:12:12,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:12:12,340 INFO L82 PathProgramCache]: Analyzing trace with hash 321920453, now seen corresponding path program 1 times [2020-11-28 03:12:12,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:12:12,340 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646323038] [2020-11-28 03:12:12,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:12:12,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:12:12,445 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 03:12:12,445 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646323038] [2020-11-28 03:12:12,446 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:12:12,446 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:12:12,446 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471377235] [2020-11-28 03:12:12,446 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:12:12,446 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:12:12,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:12:12,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:12:12,447 INFO L87 Difference]: Start difference. First operand 493 states and 652 transitions. Second operand 3 states. [2020-11-28 03:12:12,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:12:12,548 INFO L93 Difference]: Finished difference Result 807 states and 1075 transitions. [2020-11-28 03:12:12,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:12:12,549 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2020-11-28 03:12:12,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:12:12,556 INFO L225 Difference]: With dead ends: 807 [2020-11-28 03:12:12,557 INFO L226 Difference]: Without dead ends: 805 [2020-11-28 03:12:12,557 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 03:12:12,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 805 states. [2020-11-28 03:12:12,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 805 to 622. [2020-11-28 03:12:12,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 622 states. [2020-11-28 03:12:12,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 840 transitions. [2020-11-28 03:12:12,616 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 840 transitions. Word has length 38 [2020-11-28 03:12:12,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:12:12,616 INFO L481 AbstractCegarLoop]: Abstraction has 622 states and 840 transitions. [2020-11-28 03:12:12,616 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:12:12,616 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 840 transitions. [2020-11-28 03:12:12,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-11-28 03:12:12,619 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:12:12,619 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:12:12,619 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-28 03:12:12,619 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:12:12,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:12:12,620 INFO L82 PathProgramCache]: Analyzing trace with hash -1740565395, now seen corresponding path program 1 times [2020-11-28 03:12:12,620 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:12:12,620 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433585299] [2020-11-28 03:12:12,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:12:12,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:12:12,689 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-28 03:12:12,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433585299] [2020-11-28 03:12:12,690 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:12:12,690 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:12:12,690 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175785808] [2020-11-28 03:12:12,690 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-28 03:12:12,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:12:12,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:12:12,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:12:12,691 INFO L87 Difference]: Start difference. First operand 622 states and 840 transitions. Second operand 3 states. [2020-11-28 03:12:12,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:12:12,831 INFO L93 Difference]: Finished difference Result 1014 states and 1365 transitions. [2020-11-28 03:12:12,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:12:12,832 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2020-11-28 03:12:12,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:12:12,835 INFO L225 Difference]: With dead ends: 1014 [2020-11-28 03:12:12,836 INFO L226 Difference]: Without dead ends: 399 [2020-11-28 03:12:12,839 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 03:12:12,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2020-11-28 03:12:12,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 387. [2020-11-28 03:12:12,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 387 states. [2020-11-28 03:12:12,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 514 transitions. [2020-11-28 03:12:12,876 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 514 transitions. Word has length 59 [2020-11-28 03:12:12,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:12:12,877 INFO L481 AbstractCegarLoop]: Abstraction has 387 states and 514 transitions. [2020-11-28 03:12:12,877 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-28 03:12:12,877 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 514 transitions. [2020-11-28 03:12:12,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-11-28 03:12:12,878 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:12:12,879 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:12:12,879 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-28 03:12:12,879 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:12:12,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:12:12,880 INFO L82 PathProgramCache]: Analyzing trace with hash 1960365919, now seen corresponding path program 1 times [2020-11-28 03:12:12,880 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:12:12,880 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534787999] [2020-11-28 03:12:12,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:12:12,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:12:13,029 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-28 03:12:13,030 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534787999] [2020-11-28 03:12:13,031 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [59987705] [2020-11-28 03:12:13,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e7b40c13-ec0d-4d26-9a27-3d3bc7b67bdc/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:12:13,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:12:13,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-28 03:12:13,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:12:13,502 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-28 03:12:13,502 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:12:13,503 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2020-11-28 03:12:13,503 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242316039] [2020-11-28 03:12:13,504 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 03:12:13,504 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:12:13,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 03:12:13,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-11-28 03:12:13,505 INFO L87 Difference]: Start difference. First operand 387 states and 514 transitions. Second operand 6 states. [2020-11-28 03:12:14,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:12:14,014 INFO L93 Difference]: Finished difference Result 1197 states and 1573 transitions. [2020-11-28 03:12:14,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-28 03:12:14,014 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2020-11-28 03:12:14,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:12:14,020 INFO L225 Difference]: With dead ends: 1197 [2020-11-28 03:12:14,020 INFO L226 Difference]: Without dead ends: 817 [2020-11-28 03:12:14,022 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=94, Invalid=286, Unknown=0, NotChecked=0, Total=380 [2020-11-28 03:12:14,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 817 states. [2020-11-28 03:12:14,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 817 to 354. [2020-11-28 03:12:14,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 354 states. [2020-11-28 03:12:14,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 460 transitions. [2020-11-28 03:12:14,087 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 460 transitions. Word has length 66 [2020-11-28 03:12:14,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:12:14,089 INFO L481 AbstractCegarLoop]: Abstraction has 354 states and 460 transitions. [2020-11-28 03:12:14,089 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 03:12:14,089 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 460 transitions. [2020-11-28 03:12:14,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-11-28 03:12:14,091 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:12:14,091 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-28 03:12:14,304 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-11-28 03:12:14,304 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:12:14,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:12:14,305 INFO L82 PathProgramCache]: Analyzing trace with hash -1257155385, now seen corresponding path program 1 times [2020-11-28 03:12:14,305 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:12:14,305 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900123182] [2020-11-28 03:12:14,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:12:14,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:12:14,458 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 35 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-28 03:12:14,459 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900123182] [2020-11-28 03:12:14,460 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [628116178] [2020-11-28 03:12:14,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e7b40c13-ec0d-4d26-9a27-3d3bc7b67bdc/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:12:14,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:12:14,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-28 03:12:14,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:12:14,772 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-28 03:12:14,777 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-28 03:12:14,778 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2020-11-28 03:12:14,778 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570750331] [2020-11-28 03:12:14,779 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 03:12:14,779 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:12:14,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 03:12:14,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-11-28 03:12:14,781 INFO L87 Difference]: Start difference. First operand 354 states and 460 transitions. Second operand 6 states. [2020-11-28 03:12:15,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:12:15,203 INFO L93 Difference]: Finished difference Result 868 states and 1119 transitions. [2020-11-28 03:12:15,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-11-28 03:12:15,203 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 91 [2020-11-28 03:12:15,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:12:15,203 INFO L225 Difference]: With dead ends: 868 [2020-11-28 03:12:15,203 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 03:12:15,206 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2020-11-28 03:12:15,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 03:12:15,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 03:12:15,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 03:12:15,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 03:12:15,207 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 91 [2020-11-28 03:12:15,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:12:15,207 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:12:15,207 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 03:12:15,207 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:12:15,208 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 03:12:15,424 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-11-28 03:12:15,426 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 03:12:15,747 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 92 [2020-11-28 03:12:15,902 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 85 [2020-11-28 03:12:16,078 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 78 [2020-11-28 03:12:16,499 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 141 [2020-11-28 03:12:16,923 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 154 [2020-11-28 03:12:17,618 WARN L193 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 136 [2020-11-28 03:12:17,827 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 68 [2020-11-28 03:12:18,039 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 102 [2020-11-28 03:12:18,525 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 158 [2020-11-28 03:12:18,813 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 21 [2020-11-28 03:12:19,465 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 13 [2020-11-28 03:12:19,681 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 18 [2020-11-28 03:12:20,199 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 25 [2020-11-28 03:12:20,850 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 28 [2020-11-28 03:12:21,573 WARN L193 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 24 [2020-11-28 03:12:22,428 WARN L193 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 24 [2020-11-28 03:12:22,545 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 19 [2020-11-28 03:12:23,696 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 131 DAG size of output: 24 [2020-11-28 03:12:23,985 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 27 [2020-11-28 03:12:24,421 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 30 [2020-11-28 03:12:25,315 WARN L193 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 31 [2020-11-28 03:12:25,679 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 28 [2020-11-28 03:12:25,689 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:12:25,689 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-11-28 03:12:25,689 INFO L274 CegarLoopResult]: For program point L432-1(line 432) no Hoare annotation was computed. [2020-11-28 03:12:25,689 INFO L274 CegarLoopResult]: For program point L432-2(line 432) no Hoare annotation was computed. [2020-11-28 03:12:25,690 INFO L270 CegarLoopResult]: At program point L565(lines 556 569) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:12:25,690 INFO L270 CegarLoopResult]: At program point L565-1(lines 556 569) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:12:25,690 INFO L270 CegarLoopResult]: At program point L565-2(lines 556 569) the Hoare annotation is: false [2020-11-28 03:12:25,690 INFO L270 CegarLoopResult]: At program point L565-3(lines 556 569) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~methaneLevelCritical~0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2) (and .cse3 (or (and .cse0 .cse1 .cse2 (= ~methAndRunningLastTime~0 0)) (and (<= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse0 .cse1 .cse2 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)))) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse3))) [2020-11-28 03:12:25,690 INFO L270 CegarLoopResult]: At program point L565-4(lines 556 569) the Hoare annotation is: false [2020-11-28 03:12:25,690 INFO L270 CegarLoopResult]: At program point L565-5(lines 556 569) the Hoare annotation is: false [2020-11-28 03:12:25,690 INFO L270 CegarLoopResult]: At program point L565-6(lines 556 569) the Hoare annotation is: false [2020-11-28 03:12:25,690 INFO L270 CegarLoopResult]: At program point L565-7(lines 556 569) the Hoare annotation is: false [2020-11-28 03:12:25,691 INFO L270 CegarLoopResult]: At program point L565-8(lines 556 569) the Hoare annotation is: false [2020-11-28 03:12:25,691 INFO L270 CegarLoopResult]: At program point L565-9(lines 556 569) the Hoare annotation is: false [2020-11-28 03:12:25,691 INFO L270 CegarLoopResult]: At program point L565-10(lines 556 569) the Hoare annotation is: false [2020-11-28 03:12:25,691 INFO L270 CegarLoopResult]: At program point L565-11(lines 556 569) the Hoare annotation is: false [2020-11-28 03:12:25,692 INFO L274 CegarLoopResult]: For program point L303(lines 303 307) no Hoare annotation was computed. [2020-11-28 03:12:25,692 INFO L274 CegarLoopResult]: For program point L303-2(lines 303 307) no Hoare annotation was computed. [2020-11-28 03:12:25,692 INFO L274 CegarLoopResult]: For program point L303-3(lines 303 307) no Hoare annotation was computed. [2020-11-28 03:12:25,692 INFO L274 CegarLoopResult]: For program point L303-5(lines 303 307) no Hoare annotation was computed. [2020-11-28 03:12:25,692 INFO L274 CegarLoopResult]: For program point L303-6(lines 303 307) no Hoare annotation was computed. [2020-11-28 03:12:25,692 INFO L274 CegarLoopResult]: For program point L303-8(lines 303 307) no Hoare annotation was computed. [2020-11-28 03:12:25,692 INFO L274 CegarLoopResult]: For program point L303-9(lines 303 307) no Hoare annotation was computed. [2020-11-28 03:12:25,693 INFO L274 CegarLoopResult]: For program point L303-11(lines 303 307) no Hoare annotation was computed. [2020-11-28 03:12:25,693 INFO L274 CegarLoopResult]: For program point L303-12(lines 303 307) no Hoare annotation was computed. [2020-11-28 03:12:25,693 INFO L274 CegarLoopResult]: For program point L303-14(lines 303 307) no Hoare annotation was computed. [2020-11-28 03:12:25,693 INFO L274 CegarLoopResult]: For program point L303-15(lines 303 307) no Hoare annotation was computed. [2020-11-28 03:12:25,693 INFO L274 CegarLoopResult]: For program point L303-17(lines 303 307) no Hoare annotation was computed. [2020-11-28 03:12:25,693 INFO L274 CegarLoopResult]: For program point L303-18(lines 303 307) no Hoare annotation was computed. [2020-11-28 03:12:25,693 INFO L274 CegarLoopResult]: For program point L303-20(lines 303 307) no Hoare annotation was computed. [2020-11-28 03:12:25,694 INFO L274 CegarLoopResult]: For program point L303-21(lines 303 307) no Hoare annotation was computed. [2020-11-28 03:12:25,694 INFO L274 CegarLoopResult]: For program point L303-23(lines 303 307) no Hoare annotation was computed. [2020-11-28 03:12:25,694 INFO L274 CegarLoopResult]: For program point L303-24(lines 303 307) no Hoare annotation was computed. [2020-11-28 03:12:25,694 INFO L274 CegarLoopResult]: For program point L303-26(lines 303 307) no Hoare annotation was computed. [2020-11-28 03:12:25,694 INFO L274 CegarLoopResult]: For program point L303-27(lines 303 307) no Hoare annotation was computed. [2020-11-28 03:12:25,694 INFO L274 CegarLoopResult]: For program point L370(lines 369 418) no Hoare annotation was computed. [2020-11-28 03:12:25,694 INFO L274 CegarLoopResult]: For program point L303-29(lines 303 307) no Hoare annotation was computed. [2020-11-28 03:12:25,695 INFO L274 CegarLoopResult]: For program point L303-30(lines 303 307) no Hoare annotation was computed. [2020-11-28 03:12:25,695 INFO L274 CegarLoopResult]: For program point L303-32(lines 303 307) no Hoare annotation was computed. [2020-11-28 03:12:25,695 INFO L274 CegarLoopResult]: For program point L303-33(lines 303 307) no Hoare annotation was computed. [2020-11-28 03:12:25,695 INFO L274 CegarLoopResult]: For program point L303-35(lines 303 307) no Hoare annotation was computed. [2020-11-28 03:12:25,695 INFO L274 CegarLoopResult]: For program point L371(lines 371 375) no Hoare annotation was computed. [2020-11-28 03:12:25,695 INFO L270 CegarLoopResult]: At program point L107(lines 107 113) the Hoare annotation is: (let ((.cse4 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse5 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse3 .cse4) (and .cse5 .cse2 .cse3 .cse4) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse3) (and .cse1 .cse5 .cse2 .cse3))) [2020-11-28 03:12:25,696 INFO L270 CegarLoopResult]: At program point L107-1(lines 107 113) the Hoare annotation is: false [2020-11-28 03:12:25,696 INFO L270 CegarLoopResult]: At program point L107-2(lines 107 113) the Hoare annotation is: false [2020-11-28 03:12:25,696 INFO L270 CegarLoopResult]: At program point L639(lines 635 641) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-11-28 03:12:25,696 INFO L274 CegarLoopResult]: For program point L507(lines 507 511) no Hoare annotation was computed. [2020-11-28 03:12:25,696 INFO L270 CegarLoopResult]: At program point L309(lines 294 312) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:12:25,696 INFO L270 CegarLoopResult]: At program point L309-1(lines 294 312) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:12:25,696 INFO L270 CegarLoopResult]: At program point L309-2(lines 294 312) the Hoare annotation is: false [2020-11-28 03:12:25,697 INFO L270 CegarLoopResult]: At program point L309-3(lines 294 312) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~methaneLevelCritical~0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2) (and (or (and .cse0 .cse1 .cse2 (= ~methAndRunningLastTime~0 0)) (and (<= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse0 .cse1 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2)) .cse3) (and .cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0) .cse2 .cse3))) [2020-11-28 03:12:25,697 INFO L270 CegarLoopResult]: At program point L309-4(lines 294 312) the Hoare annotation is: false [2020-11-28 03:12:25,697 INFO L270 CegarLoopResult]: At program point L309-5(lines 294 312) the Hoare annotation is: false [2020-11-28 03:12:25,697 INFO L270 CegarLoopResult]: At program point L309-6(lines 294 312) the Hoare annotation is: false [2020-11-28 03:12:25,697 INFO L270 CegarLoopResult]: At program point L309-7(lines 294 312) the Hoare annotation is: false [2020-11-28 03:12:25,697 INFO L270 CegarLoopResult]: At program point L309-8(lines 294 312) the Hoare annotation is: false [2020-11-28 03:12:25,698 INFO L270 CegarLoopResult]: At program point L309-9(lines 294 312) the Hoare annotation is: false [2020-11-28 03:12:25,698 INFO L270 CegarLoopResult]: At program point L309-10(lines 294 312) the Hoare annotation is: false [2020-11-28 03:12:25,698 INFO L270 CegarLoopResult]: At program point L309-11(lines 294 312) the Hoare annotation is: false [2020-11-28 03:12:25,698 INFO L270 CegarLoopResult]: At program point L575(lines 570 578) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:12:25,698 INFO L270 CegarLoopResult]: At program point L575-1(lines 570 578) the Hoare annotation is: false [2020-11-28 03:12:25,698 INFO L270 CegarLoopResult]: At program point L575-2(lines 570 578) the Hoare annotation is: false [2020-11-28 03:12:25,698 INFO L270 CegarLoopResult]: At program point L575-3(lines 570 578) the Hoare annotation is: false [2020-11-28 03:12:25,699 INFO L270 CegarLoopResult]: At program point L443(lines 438 445) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-11-28 03:12:25,699 INFO L270 CegarLoopResult]: At program point L575-4(lines 570 578) the Hoare annotation is: false [2020-11-28 03:12:25,699 INFO L270 CegarLoopResult]: At program point L575-5(lines 570 578) the Hoare annotation is: false [2020-11-28 03:12:25,699 INFO L270 CegarLoopResult]: At program point L245(lines 238 248) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse0 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 (<= 1 ~methaneLevelCritical~0) (= ~methAndRunningLastTime~0 0)) (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1))) [2020-11-28 03:12:25,699 INFO L270 CegarLoopResult]: At program point L245-1(lines 238 248) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:12:25,699 INFO L270 CegarLoopResult]: At program point L245-2(lines 238 248) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:12:25,700 INFO L270 CegarLoopResult]: At program point L245-3(lines 238 248) the Hoare annotation is: false [2020-11-28 03:12:25,700 INFO L270 CegarLoopResult]: At program point L245-4(lines 238 248) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse0 .cse1 .cse2 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= 1 ~methaneLevelCritical~0)) (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2))) [2020-11-28 03:12:25,700 INFO L270 CegarLoopResult]: At program point L245-5(lines 238 248) the Hoare annotation is: false [2020-11-28 03:12:25,700 INFO L270 CegarLoopResult]: At program point L245-6(lines 238 248) the Hoare annotation is: false [2020-11-28 03:12:25,700 INFO L270 CegarLoopResult]: At program point L245-7(lines 238 248) the Hoare annotation is: false [2020-11-28 03:12:25,700 INFO L270 CegarLoopResult]: At program point L245-8(lines 238 248) the Hoare annotation is: false [2020-11-28 03:12:25,700 INFO L270 CegarLoopResult]: At program point L245-9(lines 238 248) the Hoare annotation is: false [2020-11-28 03:12:25,701 INFO L270 CegarLoopResult]: At program point L245-10(lines 238 248) the Hoare annotation is: false [2020-11-28 03:12:25,701 INFO L270 CegarLoopResult]: At program point L245-11(lines 238 248) the Hoare annotation is: false [2020-11-28 03:12:25,701 INFO L270 CegarLoopResult]: At program point L245-12(lines 238 248) the Hoare annotation is: false [2020-11-28 03:12:25,701 INFO L270 CegarLoopResult]: At program point L245-13(lines 238 248) the Hoare annotation is: false [2020-11-28 03:12:25,701 INFO L270 CegarLoopResult]: At program point L245-14(lines 238 248) the Hoare annotation is: false [2020-11-28 03:12:25,701 INFO L274 CegarLoopResult]: For program point L379(lines 379 385) no Hoare annotation was computed. [2020-11-28 03:12:25,702 INFO L270 CegarLoopResult]: At program point L379-1(lines 379 385) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~7 0)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse2 (= 0 ~systemActive~0)) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse7 (= 1 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse9 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse1 .cse3 .cse5 .cse6) (and .cse2 .cse4 .cse5 .cse8 .cse9 .cse6) (and .cse7 .cse0 .cse4 .cse5 .cse6) (and .cse7 .cse4 .cse5 .cse8 .cse9 .cse6))) [2020-11-28 03:12:25,702 INFO L274 CegarLoopResult]: For program point L184(lines 184 201) no Hoare annotation was computed. [2020-11-28 03:12:25,702 INFO L274 CegarLoopResult]: For program point L184-1(lines 184 201) no Hoare annotation was computed. [2020-11-28 03:12:25,702 INFO L274 CegarLoopResult]: For program point L184-2(lines 184 201) no Hoare annotation was computed. [2020-11-28 03:12:25,702 INFO L270 CegarLoopResult]: At program point L254(lines 249 257) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse4 (<= 1 ~methaneLevelCritical~0))) (or (and (= 1 ~systemActive~0) .cse0 .cse1 .cse2 .cse3 .cse4) (and (= 0 ~systemActive~0) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-11-28 03:12:25,702 INFO L270 CegarLoopResult]: At program point L254-1(lines 249 257) the Hoare annotation is: false [2020-11-28 03:12:25,702 INFO L274 CegarLoopResult]: For program point L188(lines 188 196) no Hoare annotation was computed. [2020-11-28 03:12:25,703 INFO L270 CegarLoopResult]: At program point L254-2(lines 249 257) the Hoare annotation is: false [2020-11-28 03:12:25,703 INFO L274 CegarLoopResult]: For program point L188-1(lines 188 196) no Hoare annotation was computed. [2020-11-28 03:12:25,703 INFO L274 CegarLoopResult]: For program point L188-2(lines 188 196) no Hoare annotation was computed. [2020-11-28 03:12:25,703 INFO L270 CegarLoopResult]: At program point L520(lines 515 523) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 (<= 1 ~methaneLevelCritical~0) (= ~methAndRunningLastTime~0 0)) (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1))) [2020-11-28 03:12:25,703 INFO L270 CegarLoopResult]: At program point L520-1(lines 515 523) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:12:25,703 INFO L270 CegarLoopResult]: At program point L520-2(lines 515 523) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:12:25,703 INFO L274 CegarLoopResult]: For program point L454(lines 454 471) no Hoare annotation was computed. [2020-11-28 03:12:25,704 INFO L270 CegarLoopResult]: At program point L520-3(lines 515 523) the Hoare annotation is: false [2020-11-28 03:12:25,704 INFO L270 CegarLoopResult]: At program point L454-1(lines 1 1041) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~7 0)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse2 (= 0 ~systemActive~0)) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse7 (= 1 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse9 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse1 .cse3 .cse5 .cse6) (and .cse2 .cse4 .cse5 .cse8 .cse9 .cse6) (and .cse7 .cse0 .cse4 .cse5 .cse6) (and .cse7 .cse4 .cse5 .cse8 .cse9 .cse6))) [2020-11-28 03:12:25,704 INFO L270 CegarLoopResult]: At program point L520-4(lines 515 523) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2) (and .cse0 .cse1 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2 (<= 1 ~methaneLevelCritical~0)))) [2020-11-28 03:12:25,704 INFO L274 CegarLoopResult]: For program point L454-2(lines 454 471) no Hoare annotation was computed. [2020-11-28 03:12:25,705 INFO L270 CegarLoopResult]: At program point L520-5(lines 515 523) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse6 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse4 (<= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse1 .cse2) (and .cse0 .cse5 .cse7 .cse2) (and .cse6 .cse1 .cse2 .cse3 .cse4))) [2020-11-28 03:12:25,705 INFO L270 CegarLoopResult]: At program point L454-3(lines 1 1041) the Hoare annotation is: false [2020-11-28 03:12:25,705 INFO L274 CegarLoopResult]: For program point L322(lines 322 326) no Hoare annotation was computed. [2020-11-28 03:12:25,705 INFO L270 CegarLoopResult]: At program point L520-6(lines 515 523) the Hoare annotation is: false [2020-11-28 03:12:25,705 INFO L274 CegarLoopResult]: For program point L454-4(lines 454 471) no Hoare annotation was computed. [2020-11-28 03:12:25,705 INFO L270 CegarLoopResult]: At program point L520-7(lines 515 523) the Hoare annotation is: false [2020-11-28 03:12:25,705 INFO L270 CegarLoopResult]: At program point L454-5(lines 1 1041) the Hoare annotation is: false [2020-11-28 03:12:25,706 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 03:12:25,706 INFO L274 CegarLoopResult]: For program point L322-2(lines 322 326) no Hoare annotation was computed. [2020-11-28 03:12:25,706 INFO L270 CegarLoopResult]: At program point L520-8(lines 515 523) the Hoare annotation is: false [2020-11-28 03:12:25,706 INFO L274 CegarLoopResult]: For program point L322-3(lines 322 326) no Hoare annotation was computed. [2020-11-28 03:12:25,706 INFO L270 CegarLoopResult]: At program point L520-9(lines 515 523) the Hoare annotation is: false [2020-11-28 03:12:25,706 INFO L270 CegarLoopResult]: At program point L520-10(lines 515 523) the Hoare annotation is: false [2020-11-28 03:12:25,706 INFO L274 CegarLoopResult]: For program point L322-5(lines 322 326) no Hoare annotation was computed. [2020-11-28 03:12:25,707 INFO L270 CegarLoopResult]: At program point L520-11(lines 515 523) the Hoare annotation is: false [2020-11-28 03:12:25,707 INFO L274 CegarLoopResult]: For program point L322-6(lines 322 326) no Hoare annotation was computed. [2020-11-28 03:12:25,707 INFO L270 CegarLoopResult]: At program point L520-12(lines 515 523) the Hoare annotation is: false [2020-11-28 03:12:25,707 INFO L270 CegarLoopResult]: At program point L520-13(lines 515 523) the Hoare annotation is: false [2020-11-28 03:12:25,707 INFO L274 CegarLoopResult]: For program point L322-8(lines 322 326) no Hoare annotation was computed. [2020-11-28 03:12:25,707 INFO L270 CegarLoopResult]: At program point L520-14(lines 515 523) the Hoare annotation is: false [2020-11-28 03:12:25,707 INFO L274 CegarLoopResult]: For program point L322-9(lines 322 326) no Hoare annotation was computed. [2020-11-28 03:12:25,708 INFO L270 CegarLoopResult]: At program point L520-15(lines 515 523) the Hoare annotation is: false [2020-11-28 03:12:25,708 INFO L270 CegarLoopResult]: At program point L520-16(lines 515 523) the Hoare annotation is: false [2020-11-28 03:12:25,708 INFO L274 CegarLoopResult]: For program point L322-11(lines 322 326) no Hoare annotation was computed. [2020-11-28 03:12:25,708 INFO L270 CegarLoopResult]: At program point L520-17(lines 515 523) the Hoare annotation is: false [2020-11-28 03:12:25,708 INFO L274 CegarLoopResult]: For program point L322-12(lines 322 326) no Hoare annotation was computed. [2020-11-28 03:12:25,708 INFO L274 CegarLoopResult]: For program point L322-14(lines 322 326) no Hoare annotation was computed. [2020-11-28 03:12:25,708 INFO L274 CegarLoopResult]: For program point L322-15(lines 322 326) no Hoare annotation was computed. [2020-11-28 03:12:25,708 INFO L274 CegarLoopResult]: For program point L322-17(lines 322 326) no Hoare annotation was computed. [2020-11-28 03:12:25,709 INFO L274 CegarLoopResult]: For program point L389(lines 389 395) no Hoare annotation was computed. [2020-11-28 03:12:25,709 INFO L270 CegarLoopResult]: At program point L389-1(lines 389 395) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse3 .cse6 .cse4) (and .cse1 .cse2 .cse3 .cse6 .cse4) (and .cse5 .cse0 .cse3))) [2020-11-28 03:12:25,709 INFO L274 CegarLoopResult]: For program point L458(lines 458 468) no Hoare annotation was computed. [2020-11-28 03:12:25,709 INFO L274 CegarLoopResult]: For program point L458-2(lines 458 468) no Hoare annotation was computed. [2020-11-28 03:12:25,709 INFO L274 CegarLoopResult]: For program point L458-4(lines 458 468) no Hoare annotation was computed. [2020-11-28 03:12:25,709 INFO L270 CegarLoopResult]: At program point L591-2(lines 591 605) the Hoare annotation is: false [2020-11-28 03:12:25,709 INFO L274 CegarLoopResult]: For program point L459(lines 459 465) no Hoare annotation was computed. [2020-11-28 03:12:25,710 INFO L274 CegarLoopResult]: For program point L459-2(lines 459 465) no Hoare annotation was computed. [2020-11-28 03:12:25,710 INFO L274 CegarLoopResult]: For program point L459-4(lines 459 465) no Hoare annotation was computed. [2020-11-28 03:12:25,710 INFO L274 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-11-28 03:12:25,710 INFO L270 CegarLoopResult]: At program point L328(lines 313 331) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2020-11-28 03:12:25,710 INFO L270 CegarLoopResult]: At program point L328-1(lines 313 331) the Hoare annotation is: false [2020-11-28 03:12:25,710 INFO L270 CegarLoopResult]: At program point L328-2(lines 313 331) the Hoare annotation is: false [2020-11-28 03:12:25,710 INFO L270 CegarLoopResult]: At program point L328-3(lines 313 331) the Hoare annotation is: false [2020-11-28 03:12:25,711 INFO L270 CegarLoopResult]: At program point L328-4(lines 313 331) the Hoare annotation is: false [2020-11-28 03:12:25,711 INFO L270 CegarLoopResult]: At program point L328-5(lines 313 331) the Hoare annotation is: false [2020-11-28 03:12:25,711 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 03:12:25,711 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:12:25,711 INFO L274 CegarLoopResult]: For program point L132(lines 132 149) no Hoare annotation was computed. [2020-11-28 03:12:25,711 INFO L274 CegarLoopResult]: For program point L132-1(lines 132 149) no Hoare annotation was computed. [2020-11-28 03:12:25,711 INFO L274 CegarLoopResult]: For program point L132-2(lines 132 149) no Hoare annotation was computed. [2020-11-28 03:12:25,712 INFO L274 CegarLoopResult]: For program point L132-3(lines 132 149) no Hoare annotation was computed. [2020-11-28 03:12:25,712 INFO L274 CegarLoopResult]: For program point L132-4(lines 132 149) no Hoare annotation was computed. [2020-11-28 03:12:25,712 INFO L274 CegarLoopResult]: For program point L132-5(lines 132 149) no Hoare annotation was computed. [2020-11-28 03:12:25,712 INFO L274 CegarLoopResult]: For program point L132-6(lines 132 149) no Hoare annotation was computed. [2020-11-28 03:12:25,712 INFO L274 CegarLoopResult]: For program point L132-7(lines 132 149) no Hoare annotation was computed. [2020-11-28 03:12:25,712 INFO L274 CegarLoopResult]: For program point L132-8(lines 132 149) no Hoare annotation was computed. [2020-11-28 03:12:25,712 INFO L274 CegarLoopResult]: For program point L132-9(lines 132 149) no Hoare annotation was computed. [2020-11-28 03:12:25,713 INFO L274 CegarLoopResult]: For program point L132-10(lines 132 149) no Hoare annotation was computed. [2020-11-28 03:12:25,713 INFO L274 CegarLoopResult]: For program point L132-11(lines 132 149) no Hoare annotation was computed. [2020-11-28 03:12:25,713 INFO L274 CegarLoopResult]: For program point L595(lines 595 599) no Hoare annotation was computed. [2020-11-28 03:12:25,713 INFO L274 CegarLoopResult]: For program point L595-1(lines 100 106) no Hoare annotation was computed. [2020-11-28 03:12:25,713 INFO L270 CegarLoopResult]: At program point L67(lines 1 1041) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-11-28 03:12:25,713 INFO L274 CegarLoopResult]: For program point L663(lines 663 670) no Hoare annotation was computed. [2020-11-28 03:12:25,713 INFO L277 CegarLoopResult]: At program point L663-1(lines 663 670) the Hoare annotation is: true [2020-11-28 03:12:25,714 INFO L274 CegarLoopResult]: For program point L399(lines 399 414) no Hoare annotation was computed. [2020-11-28 03:12:25,714 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 03:12:25,714 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 03:12:25,714 INFO L274 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-11-28 03:12:25,714 INFO L274 CegarLoopResult]: For program point L136(lines 136 144) no Hoare annotation was computed. [2020-11-28 03:12:25,714 INFO L274 CegarLoopResult]: For program point L136-1(lines 136 144) no Hoare annotation was computed. [2020-11-28 03:12:25,714 INFO L274 CegarLoopResult]: For program point L136-2(lines 136 144) no Hoare annotation was computed. [2020-11-28 03:12:25,714 INFO L274 CegarLoopResult]: For program point L136-3(lines 136 144) no Hoare annotation was computed. [2020-11-28 03:12:25,715 INFO L274 CegarLoopResult]: For program point L136-4(lines 136 144) no Hoare annotation was computed. [2020-11-28 03:12:25,715 INFO L274 CegarLoopResult]: For program point L136-5(lines 136 144) no Hoare annotation was computed. [2020-11-28 03:12:25,715 INFO L274 CegarLoopResult]: For program point L136-6(lines 136 144) no Hoare annotation was computed. [2020-11-28 03:12:25,715 INFO L274 CegarLoopResult]: For program point L136-7(lines 136 144) no Hoare annotation was computed. [2020-11-28 03:12:25,715 INFO L274 CegarLoopResult]: For program point L136-8(lines 136 144) no Hoare annotation was computed. [2020-11-28 03:12:25,715 INFO L274 CegarLoopResult]: For program point L136-9(lines 136 144) no Hoare annotation was computed. [2020-11-28 03:12:25,715 INFO L274 CegarLoopResult]: For program point L136-10(lines 136 144) no Hoare annotation was computed. [2020-11-28 03:12:25,715 INFO L274 CegarLoopResult]: For program point L136-11(lines 136 144) no Hoare annotation was computed. [2020-11-28 03:12:25,716 INFO L274 CegarLoopResult]: For program point L336(lines 336 342) no Hoare annotation was computed. [2020-11-28 03:12:25,716 INFO L270 CegarLoopResult]: At program point L336-1(lines 336 342) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0)) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1))) [2020-11-28 03:12:25,716 INFO L270 CegarLoopResult]: At program point L75(lines 70 78) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-11-28 03:12:25,716 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 03:12:25,716 INFO L274 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-11-28 03:12:25,717 INFO L270 CegarLoopResult]: At program point L407-1(lines 100 106) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse4 (= 0 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 (= ~methAndRunningLastTime~0 0)) (and .cse0 .cse3 .cse1) (and .cse4 .cse5 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse1))) [2020-11-28 03:12:25,717 INFO L277 CegarLoopResult]: At program point L672(lines 653 675) the Hoare annotation is: true [2020-11-28 03:12:25,717 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 03:12:25,717 INFO L274 CegarLoopResult]: For program point L483(lines 483 487) no Hoare annotation was computed. [2020-11-28 03:12:25,717 INFO L274 CegarLoopResult]: For program point L483-3(lines 483 487) no Hoare annotation was computed. [2020-11-28 03:12:25,717 INFO L274 CegarLoopResult]: For program point L483-6(lines 483 487) no Hoare annotation was computed. [2020-11-28 03:12:25,717 INFO L274 CegarLoopResult]: For program point L220(lines 220 226) no Hoare annotation was computed. [2020-11-28 03:12:25,717 INFO L274 CegarLoopResult]: For program point L220-2(lines 220 226) no Hoare annotation was computed. [2020-11-28 03:12:25,718 INFO L274 CegarLoopResult]: For program point L220-4(lines 220 226) no Hoare annotation was computed. [2020-11-28 03:12:25,718 INFO L274 CegarLoopResult]: For program point L220-6(lines 220 226) no Hoare annotation was computed. [2020-11-28 03:12:25,718 INFO L274 CegarLoopResult]: For program point L220-8(lines 220 226) no Hoare annotation was computed. [2020-11-28 03:12:25,718 INFO L274 CegarLoopResult]: For program point L220-10(lines 220 226) no Hoare annotation was computed. [2020-11-28 03:12:25,718 INFO L274 CegarLoopResult]: For program point L220-12(lines 220 226) no Hoare annotation was computed. [2020-11-28 03:12:25,718 INFO L274 CegarLoopResult]: For program point L220-14(lines 220 226) no Hoare annotation was computed. [2020-11-28 03:12:25,718 INFO L274 CegarLoopResult]: For program point L220-16(lines 220 226) no Hoare annotation was computed. [2020-11-28 03:12:25,719 INFO L274 CegarLoopResult]: For program point L220-18(lines 220 226) no Hoare annotation was computed. [2020-11-28 03:12:25,719 INFO L274 CegarLoopResult]: For program point L220-20(lines 220 226) no Hoare annotation was computed. [2020-11-28 03:12:25,719 INFO L274 CegarLoopResult]: For program point L220-22(lines 220 226) no Hoare annotation was computed. [2020-11-28 03:12:25,719 INFO L270 CegarLoopResult]: At program point L419(lines 368 420) the Hoare annotation is: false [2020-11-28 03:12:25,719 INFO L274 CegarLoopResult]: For program point L158(lines 158 175) no Hoare annotation was computed. [2020-11-28 03:12:25,719 INFO L274 CegarLoopResult]: For program point L158-1(lines 158 175) no Hoare annotation was computed. [2020-11-28 03:12:25,719 INFO L274 CegarLoopResult]: For program point L158-2(lines 158 175) no Hoare annotation was computed. [2020-11-28 03:12:25,719 INFO L274 CegarLoopResult]: For program point L158-3(lines 158 175) no Hoare annotation was computed. [2020-11-28 03:12:25,720 INFO L274 CegarLoopResult]: For program point L158-4(lines 158 175) no Hoare annotation was computed. [2020-11-28 03:12:25,720 INFO L274 CegarLoopResult]: For program point L158-5(lines 158 175) no Hoare annotation was computed. [2020-11-28 03:12:25,720 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 03:12:25,720 INFO L274 CegarLoopResult]: For program point L162(lines 162 170) no Hoare annotation was computed. [2020-11-28 03:12:25,720 INFO L274 CegarLoopResult]: For program point L162-1(lines 162 170) no Hoare annotation was computed. [2020-11-28 03:12:25,720 INFO L274 CegarLoopResult]: For program point L162-2(lines 162 170) no Hoare annotation was computed. [2020-11-28 03:12:25,720 INFO L274 CegarLoopResult]: For program point L162-3(lines 162 170) no Hoare annotation was computed. [2020-11-28 03:12:25,721 INFO L274 CegarLoopResult]: For program point L162-4(lines 162 170) no Hoare annotation was computed. [2020-11-28 03:12:25,721 INFO L274 CegarLoopResult]: For program point L162-5(lines 162 170) no Hoare annotation was computed. [2020-11-28 03:12:25,721 INFO L274 CegarLoopResult]: For program point L560(lines 560 566) no Hoare annotation was computed. [2020-11-28 03:12:25,721 INFO L274 CegarLoopResult]: For program point L560-1(lines 560 566) no Hoare annotation was computed. [2020-11-28 03:12:25,721 INFO L274 CegarLoopResult]: For program point L560-2(lines 560 566) no Hoare annotation was computed. [2020-11-28 03:12:25,721 INFO L274 CegarLoopResult]: For program point L560-3(lines 560 566) no Hoare annotation was computed. [2020-11-28 03:12:25,721 INFO L274 CegarLoopResult]: For program point L560-4(lines 560 566) no Hoare annotation was computed. [2020-11-28 03:12:25,721 INFO L274 CegarLoopResult]: For program point L560-5(lines 560 566) no Hoare annotation was computed. [2020-11-28 03:12:25,722 INFO L274 CegarLoopResult]: For program point L560-6(lines 560 566) no Hoare annotation was computed. [2020-11-28 03:12:25,722 INFO L274 CegarLoopResult]: For program point L560-7(lines 560 566) no Hoare annotation was computed. [2020-11-28 03:12:25,722 INFO L274 CegarLoopResult]: For program point L560-8(lines 560 566) no Hoare annotation was computed. [2020-11-28 03:12:25,722 INFO L274 CegarLoopResult]: For program point L560-9(lines 560 566) no Hoare annotation was computed. [2020-11-28 03:12:25,722 INFO L274 CegarLoopResult]: For program point L560-10(lines 560 566) no Hoare annotation was computed. [2020-11-28 03:12:25,722 INFO L274 CegarLoopResult]: For program point L560-11(lines 560 566) no Hoare annotation was computed. [2020-11-28 03:12:25,722 INFO L274 CegarLoopResult]: For program point L495(lines 495 499) no Hoare annotation was computed. [2020-11-28 03:12:25,723 INFO L270 CegarLoopResult]: At program point L100(lines 99 118) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse5 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (<= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse0 .cse1 .cse2 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse3) (and .cse0 .cse2 .cse3 (= ~methAndRunningLastTime~0 0)) (and .cse0 .cse4 .cse2) (and .cse5 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse1 .cse2))) [2020-11-28 03:12:25,723 INFO L274 CegarLoopResult]: For program point L100-1(lines 100 106) no Hoare annotation was computed. [2020-11-28 03:12:25,723 INFO L270 CegarLoopResult]: At program point L100-2(lines 99 118) the Hoare annotation is: false [2020-11-28 03:12:25,723 INFO L270 CegarLoopResult]: At program point L100-3(lines 99 118) the Hoare annotation is: false [2020-11-28 03:12:25,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:12:25 BoogieIcfgContainer [2020-11-28 03:12:25,762 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:12:25,763 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:12:25,763 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:12:25,763 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:12:25,764 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:12:09" (3/4) ... [2020-11-28 03:12:25,767 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 03:12:25,813 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-11-28 03:12:25,816 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-11-28 03:12:25,819 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 03:12:25,821 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 03:12:25,824 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 03:12:25,827 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:12:25,829 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 03:12:25,859 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((methaneLevelCritical == 0 && tmp == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && tmp == 0) && \result == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) [2020-11-28 03:12:25,860 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((methaneLevelCritical == 0 && tmp == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && tmp == 0) && \result == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) [2020-11-28 03:12:25,861 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= \result && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) || (((1 == systemActive && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0)) || ((1 == systemActive && methaneLevelCritical == 0) && splverifierCounter == 0)) || (((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical)) || (((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-28 03:12:25,861 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical)) || (((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical)) || (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0)) || (((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-28 03:12:25,863 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) || ((((methaneLevelCritical == 0 && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0)) || ((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) [2020-11-28 03:12:25,864 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 1 <= \result) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) || (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) [2020-11-28 03:12:25,865 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= \result && 1 == systemActive) && 1 <= \result) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) || (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) [2020-11-28 03:12:25,866 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) || (((((0 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) [2020-11-28 03:12:25,866 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || (1 <= methaneLevelCritical && ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) || ((((1 <= \result && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result)))) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && 1 <= methaneLevelCritical) [2020-11-28 03:12:25,868 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) || ((((1 <= \result && 1 == systemActive) && pumpRunning == 0) && 1 <= \result) && splverifierCounter == 0)) && 1 <= methaneLevelCritical)) || (((((1 == systemActive && \result == 0) && pumpRunning == 0) && tmp___0 == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical) [2020-11-28 03:12:25,870 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0 [2020-11-28 03:12:25,871 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-11-28 03:12:25,871 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0 [2020-11-28 03:12:25,872 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && pumpRunning == 0) && 1 <= \result) && splverifierCounter == 0) && 1 <= methaneLevelCritical) [2020-11-28 03:12:25,872 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-11-28 03:12:25,873 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= \result && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) || ((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2020-11-28 03:12:25,874 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-11-28 03:12:25,875 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-11-28 03:12:25,875 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-11-28 03:12:25,875 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-11-28 03:12:25,876 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-11-28 03:12:25,876 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 [2020-11-28 03:12:26,008 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e7b40c13-ec0d-4d26-9a27-3d3bc7b67bdc/bin/uautomizer/witness.graphml [2020-11-28 03:12:26,008 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:12:26,009 INFO L168 Benchmark]: Toolchain (without parser) took 19424.14 ms. Allocated memory was 132.1 MB in the beginning and 343.9 MB in the end (delta: 211.8 MB). Free memory was 103.8 MB in the beginning and 230.7 MB in the end (delta: -126.8 MB). Peak memory consumption was 83.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:12:26,009 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 88.1 MB. Free memory is still 47.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:12:26,010 INFO L168 Benchmark]: CACSL2BoogieTranslator took 734.14 ms. Allocated memory is still 132.1 MB. Free memory was 103.4 MB in the beginning and 97.2 MB in the end (delta: 6.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:12:26,010 INFO L168 Benchmark]: Boogie Procedure Inliner took 107.55 ms. Allocated memory is still 132.1 MB. Free memory was 97.2 MB in the beginning and 91.3 MB in the end (delta: 5.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:12:26,010 INFO L168 Benchmark]: Boogie Preprocessor took 82.64 ms. Allocated memory is still 132.1 MB. Free memory was 91.3 MB in the beginning and 87.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:12:26,011 INFO L168 Benchmark]: RCFGBuilder took 1688.04 ms. Allocated memory is still 132.1 MB. Free memory was 87.1 MB in the beginning and 88.3 MB in the end (delta: -1.2 MB). Peak memory consumption was 38.0 MB. Max. memory is 16.1 GB. [2020-11-28 03:12:26,011 INFO L168 Benchmark]: TraceAbstraction took 16556.27 ms. Allocated memory was 132.1 MB in the beginning and 343.9 MB in the end (delta: 211.8 MB). Free memory was 88.3 MB in the beginning and 250.6 MB in the end (delta: -162.3 MB). Peak memory consumption was 193.0 MB. Max. memory is 16.1 GB. [2020-11-28 03:12:26,011 INFO L168 Benchmark]: Witness Printer took 245.23 ms. Allocated memory is still 343.9 MB. Free memory was 250.6 MB in the beginning and 230.7 MB in the end (delta: 19.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-11-28 03:12:26,014 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 88.1 MB. Free memory is still 47.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 734.14 ms. Allocated memory is still 132.1 MB. Free memory was 103.4 MB in the beginning and 97.2 MB in the end (delta: 6.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 107.55 ms. Allocated memory is still 132.1 MB. Free memory was 97.2 MB in the beginning and 91.3 MB in the end (delta: 5.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 82.64 ms. Allocated memory is still 132.1 MB. Free memory was 91.3 MB in the beginning and 87.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1688.04 ms. Allocated memory is still 132.1 MB. Free memory was 87.1 MB in the beginning and 88.3 MB in the end (delta: -1.2 MB). Peak memory consumption was 38.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 16556.27 ms. Allocated memory was 132.1 MB in the beginning and 343.9 MB in the end (delta: 211.8 MB). Free memory was 88.3 MB in the beginning and 250.6 MB in the end (delta: -162.3 MB). Peak memory consumption was 193.0 MB. Max. memory is 16.1 GB. * Witness Printer took 245.23 ms. Allocated memory is still 343.9 MB. Free memory was 250.6 MB in the beginning and 230.7 MB in the end (delta: 19.9 MB). Peak memory consumption was 18.9 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: 238]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: (((((1 <= \result && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) || ((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 653]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 635]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 336]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && splverifierCounter == 0) && 1 <= methaneLevelCritical) || ((methaneLevelCritical == 0 && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: ((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && pumpRunning == 0) && 1 <= \result) && splverifierCounter == 0) && 1 <= methaneLevelCritical) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) || ((((methaneLevelCritical == 0 && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0)) || ((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: (((((1 <= \result && 1 == systemActive) && 1 <= \result) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) || (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 1 <= \result) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) || (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 515]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((methaneLevelCritical == 0 && tmp == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && tmp == 0) && \result == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) || (((1 == systemActive && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0)) || ((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0)) || ((1 == systemActive && methaneLevelCritical == 0) && splverifierCounter == 0) - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 663]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: (((((1 == systemActive && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) || ((1 == systemActive && methaneLevelCritical == 0) && splverifierCounter == 0)) || (((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical)) || (((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: (((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) || (((((0 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: ((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical)) || (((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical)) || (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0)) || (((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || (1 <= methaneLevelCritical && ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) || ((((1 <= \result && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result)))) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && 1 <= methaneLevelCritical) - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) || ((((1 <= \result && 1 == systemActive) && pumpRunning == 0) && 1 <= \result) && splverifierCounter == 0)) && 1 <= methaneLevelCritical)) || (((((1 == systemActive && \result == 0) && pumpRunning == 0) && tmp___0 == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical) - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: ((((((((1 <= \result && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) || (((1 == systemActive && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0)) || ((1 == systemActive && methaneLevelCritical == 0) && splverifierCounter == 0)) || (((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical)) || (((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 591]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: ((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0 - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: (((((((((methaneLevelCritical == 0 && tmp == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && tmp == 0) && \result == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 234 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.1s, OverallIterations: 13, TraceHistogramMax: 3, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2056 SDtfs, 2257 SDslu, 3169 SDs, 0 SdLazy, 440 SolverSat, 98 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 248 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=622occurred 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: 0.5s AutomataMinimizationTime, 13 MinimizatonAttempts, 2103 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 93 LocationsWithAnnotation, 93 PreInvPairs, 359 NumberOfFragments, 1100 HoareAnnotationTreeSize, 93 FomulaSimplifications, 1486736 FormulaSimplificationTreeSizeReduction, 3.2s HoareSimplificationTime, 93 FomulaSimplificationsInter, 192350 FormulaSimplificationTreeSizeReductionInter, 7.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 665 NumberOfCodeBlocks, 665 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 650 ConstructedInterpolants, 0 QuantifiedInterpolants, 57827 SizeOfPredicates, 12 NumberOfNonLiveVariables, 1038 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 157/163 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...