./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3facb855-fc18-4482-a72d-7c8448dcf186/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3facb855-fc18-4482-a72d-7c8448dcf186/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3facb855-fc18-4482-a72d-7c8448dcf186/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3facb855-fc18-4482-a72d-7c8448dcf186/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3facb855-fc18-4482-a72d-7c8448dcf186/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3facb855-fc18-4482-a72d-7c8448dcf186/bin/uautomizer-WNIpwEf4Nt --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 1fc4b6513d54dfae6e097800b1200a0f44455272 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:44:42,082 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:44:42,084 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:44:42,115 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:44:42,116 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:44:42,117 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:44:42,119 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:44:42,121 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:44:42,123 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:44:42,124 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:44:42,125 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:44:42,127 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:44:42,127 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:44:42,128 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:44:42,130 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:44:42,132 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:44:42,133 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:44:42,134 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:44:42,136 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:44:42,139 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:44:42,141 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:44:42,142 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:44:42,144 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:44:42,145 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:44:42,149 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:44:42,149 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:44:42,150 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:44:42,151 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:44:42,151 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:44:42,153 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:44:42,153 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:44:42,154 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:44:42,155 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:44:42,156 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:44:42,157 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:44:42,158 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:44:42,158 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:44:42,159 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:44:42,159 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:44:42,160 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:44:42,161 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:44:42,170 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3facb855-fc18-4482-a72d-7c8448dcf186/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-13 00:44:42,204 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:44:42,204 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:44:42,204 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:44:42,205 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:44:42,206 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:44:42,206 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:44:42,206 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:44:42,207 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:44:42,207 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:44:42,207 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:44:42,207 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:44:42,208 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:44:42,208 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 00:44:42,208 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:44:42,208 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 00:44:42,209 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:44:42,209 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:44:42,209 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:44:42,209 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 00:44:42,210 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:44:42,210 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:44:42,210 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:44:42,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:44:42,210 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:44:42,211 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:44:42,211 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 00:44:42,211 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:44:42,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 00:44:42,211 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 00:44:42,212 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:44:42,212 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_worker_vcloud-master_on_vcloud-master/run_dir_3facb855-fc18-4482-a72d-7c8448dcf186/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3facb855-fc18-4482-a72d-7c8448dcf186/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1fc4b6513d54dfae6e097800b1200a0f44455272 [2021-10-13 00:44:42,439 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:44:42,463 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:44:42,467 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:44:42,469 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:44:42,470 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:44:42,470 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3facb855-fc18-4482-a72d-7c8448dcf186/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c [2021-10-13 00:44:42,530 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3facb855-fc18-4482-a72d-7c8448dcf186/bin/uautomizer-WNIpwEf4Nt/data/12fdc7623/fda8ea05e9b2492086645545326c35df/FLAGdb293c77b [2021-10-13 00:44:43,050 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:44:43,051 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3facb855-fc18-4482-a72d-7c8448dcf186/sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c [2021-10-13 00:44:43,075 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3facb855-fc18-4482-a72d-7c8448dcf186/bin/uautomizer-WNIpwEf4Nt/data/12fdc7623/fda8ea05e9b2492086645545326c35df/FLAGdb293c77b [2021-10-13 00:44:43,385 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3facb855-fc18-4482-a72d-7c8448dcf186/bin/uautomizer-WNIpwEf4Nt/data/12fdc7623/fda8ea05e9b2492086645545326c35df [2021-10-13 00:44:43,387 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:44:43,389 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:44:43,397 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:44:43,397 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:44:43,400 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:44:43,400 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:44:43" (1/1) ... [2021-10-13 00:44:43,401 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75846521 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:44:43, skipping insertion in model container [2021-10-13 00:44:43,401 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:44:43" (1/1) ... [2021-10-13 00:44:43,408 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:44:43,456 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:44:43,772 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3facb855-fc18-4482-a72d-7c8448dcf186/sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c[17654,17667] [2021-10-13 00:44:43,779 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:44:43,787 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:44:43,898 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3facb855-fc18-4482-a72d-7c8448dcf186/sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c[17654,17667] [2021-10-13 00:44:43,899 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:44:43,928 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:44:43,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:44:43 WrapperNode [2021-10-13 00:44:43,929 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:44:43,930 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:44:43,931 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:44:43,931 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:44:43,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:44:43" (1/1) ... [2021-10-13 00:44:43,964 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:44:43" (1/1) ... [2021-10-13 00:44:44,018 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:44:44,019 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:44:44,019 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:44:44,019 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:44:44,028 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:44:43" (1/1) ... [2021-10-13 00:44:44,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:44:43" (1/1) ... [2021-10-13 00:44:44,033 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:44:43" (1/1) ... [2021-10-13 00:44:44,033 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:44:43" (1/1) ... [2021-10-13 00:44:44,050 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:44:43" (1/1) ... [2021-10-13 00:44:44,067 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:44:43" (1/1) ... [2021-10-13 00:44:44,069 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:44:43" (1/1) ... [2021-10-13 00:44:44,073 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:44:44,074 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:44:44,075 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:44:44,075 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:44:44,076 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:44:43" (1/1) ... [2021-10-13 00:44:44,084 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:44:44,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3facb855-fc18-4482-a72d-7c8448dcf186/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:44:44,113 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3facb855-fc18-4482-a72d-7c8448dcf186/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 00:44:44,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3facb855-fc18-4482-a72d-7c8448dcf186/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 00:44:44,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:44:44,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 00:44:44,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:44:44,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:44:45,151 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:44:45,159 INFO L299 CfgBuilder]: Removed 120 assume(true) statements. [2021-10-13 00:44:45,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:44:45 BoogieIcfgContainer [2021-10-13 00:44:45,162 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:44:45,164 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 00:44:45,164 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 00:44:45,173 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 00:44:45,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:44:43" (1/3) ... [2021-10-13 00:44:45,175 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b600a75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:44:45, skipping insertion in model container [2021-10-13 00:44:45,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:44:43" (2/3) ... [2021-10-13 00:44:45,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b600a75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:44:45, skipping insertion in model container [2021-10-13 00:44:45,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:44:45" (3/3) ... [2021-10-13 00:44:45,178 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product41.cil.c [2021-10-13 00:44:45,187 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 00:44:45,187 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-13 00:44:45,253 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 00:44:45,263 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 00:44:45,264 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-13 00:44:45,285 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 89 states have (on average 1.550561797752809) internal successors, (138), 92 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:44:45,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-13 00:44:45,294 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:44:45,295 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:44:45,295 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:44:45,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:44:45,303 INFO L82 PathProgramCache]: Analyzing trace with hash -611333278, now seen corresponding path program 1 times [2021-10-13 00:44:45,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:44:45,313 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365138814] [2021-10-13 00:44:45,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:44:45,314 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:44:45,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:44:45,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:44:45,661 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:44:45,661 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365138814] [2021-10-13 00:44:45,662 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365138814] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:44:45,662 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:44:45,662 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:44:45,671 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241588124] [2021-10-13 00:44:45,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 00:44:45,681 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:44:45,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 00:44:45,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 00:44:45,703 INFO L87 Difference]: Start difference. First operand has 93 states, 89 states have (on average 1.550561797752809) internal successors, (138), 92 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:44:45,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:44:45,741 INFO L93 Difference]: Finished difference Result 180 states and 269 transitions. [2021-10-13 00:44:45,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 00:44:45,743 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-13 00:44:45,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:44:45,753 INFO L225 Difference]: With dead ends: 180 [2021-10-13 00:44:45,753 INFO L226 Difference]: Without dead ends: 89 [2021-10-13 00:44:45,755 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 00:44:45,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2021-10-13 00:44:45,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2021-10-13 00:44:45,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 86 states have (on average 1.4651162790697674) internal successors, (126), 88 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:44:45,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 126 transitions. [2021-10-13 00:44:45,795 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 126 transitions. Word has length 18 [2021-10-13 00:44:45,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:44:45,796 INFO L470 AbstractCegarLoop]: Abstraction has 89 states and 126 transitions. [2021-10-13 00:44:45,796 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:44:45,796 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 126 transitions. [2021-10-13 00:44:45,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-13 00:44:45,797 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:44:45,798 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:44:45,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 00:44:45,798 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:44:45,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:44:45,799 INFO L82 PathProgramCache]: Analyzing trace with hash 1493643632, now seen corresponding path program 1 times [2021-10-13 00:44:45,799 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:44:45,800 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141463108] [2021-10-13 00:44:45,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:44:45,800 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:44:45,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:44:45,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:44:45,894 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:44:45,895 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141463108] [2021-10-13 00:44:45,895 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141463108] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:44:45,895 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:44:45,895 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:44:45,896 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375798011] [2021-10-13 00:44:45,897 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:44:45,897 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:44:45,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:44:45,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:44:45,898 INFO L87 Difference]: Start difference. First operand 89 states and 126 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:44:45,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:44:45,909 INFO L93 Difference]: Finished difference Result 89 states and 126 transitions. [2021-10-13 00:44:45,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:44:45,910 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-13 00:44:45,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:44:45,911 INFO L225 Difference]: With dead ends: 89 [2021-10-13 00:44:45,911 INFO L226 Difference]: Without dead ends: 39 [2021-10-13 00:44:45,912 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:44:45,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2021-10-13 00:44:45,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2021-10-13 00:44:45,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.4473684210526316) internal successors, (55), 38 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:44:45,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 55 transitions. [2021-10-13 00:44:45,918 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 55 transitions. Word has length 19 [2021-10-13 00:44:45,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:44:45,919 INFO L470 AbstractCegarLoop]: Abstraction has 39 states and 55 transitions. [2021-10-13 00:44:45,919 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:44:45,919 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2021-10-13 00:44:45,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 00:44:45,921 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:44:45,921 INFO L512 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] [2021-10-13 00:44:45,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 00:44:45,921 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:44:45,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:44:45,922 INFO L82 PathProgramCache]: Analyzing trace with hash 590350463, now seen corresponding path program 1 times [2021-10-13 00:44:45,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:44:45,923 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092643574] [2021-10-13 00:44:45,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:44:45,923 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:44:45,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:44:46,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:44:46,029 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:44:46,029 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092643574] [2021-10-13 00:44:46,030 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092643574] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:44:46,030 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:44:46,031 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:44:46,031 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067447905] [2021-10-13 00:44:46,032 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:44:46,037 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:44:46,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:44:46,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:44:46,038 INFO L87 Difference]: Start difference. First operand 39 states and 55 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:44:46,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:44:46,054 INFO L93 Difference]: Finished difference Result 72 states and 104 transitions. [2021-10-13 00:44:46,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:44:46,057 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-13 00:44:46,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:44:46,058 INFO L225 Difference]: With dead ends: 72 [2021-10-13 00:44:46,058 INFO L226 Difference]: Without dead ends: 39 [2021-10-13 00:44:46,059 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:44:46,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2021-10-13 00:44:46,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2021-10-13 00:44:46,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 38 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:44:46,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions. [2021-10-13 00:44:46,067 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 54 transitions. Word has length 24 [2021-10-13 00:44:46,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:44:46,068 INFO L470 AbstractCegarLoop]: Abstraction has 39 states and 54 transitions. [2021-10-13 00:44:46,068 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:44:46,068 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2021-10-13 00:44:46,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-13 00:44:46,070 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:44:46,070 INFO L512 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] [2021-10-13 00:44:46,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-13 00:44:46,071 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:44:46,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:44:46,072 INFO L82 PathProgramCache]: Analyzing trace with hash 1748150010, now seen corresponding path program 1 times [2021-10-13 00:44:46,072 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:44:46,073 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10857180] [2021-10-13 00:44:46,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:44:46,074 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:44:46,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:44:46,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:44:46,170 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:44:46,171 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10857180] [2021-10-13 00:44:46,171 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10857180] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:44:46,171 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:44:46,172 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:44:46,172 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86716758] [2021-10-13 00:44:46,172 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:44:46,173 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:44:46,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:44:46,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:44:46,174 INFO L87 Difference]: Start difference. First operand 39 states and 54 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:44:46,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:44:46,197 INFO L93 Difference]: Finished difference Result 95 states and 135 transitions. [2021-10-13 00:44:46,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:44:46,198 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-10-13 00:44:46,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:44:46,199 INFO L225 Difference]: With dead ends: 95 [2021-10-13 00:44:46,199 INFO L226 Difference]: Without dead ends: 62 [2021-10-13 00:44:46,200 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:44:46,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2021-10-13 00:44:46,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 60. [2021-10-13 00:44:46,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 59 states have (on average 1.423728813559322) internal successors, (84), 59 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:44:46,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 84 transitions. [2021-10-13 00:44:46,227 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 84 transitions. Word has length 25 [2021-10-13 00:44:46,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:44:46,228 INFO L470 AbstractCegarLoop]: Abstraction has 60 states and 84 transitions. [2021-10-13 00:44:46,228 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:44:46,228 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 84 transitions. [2021-10-13 00:44:46,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-13 00:44:46,229 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:44:46,230 INFO L512 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] [2021-10-13 00:44:46,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-13 00:44:46,230 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:44:46,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:44:46,231 INFO L82 PathProgramCache]: Analyzing trace with hash 787955310, now seen corresponding path program 1 times [2021-10-13 00:44:46,231 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:44:46,232 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058869331] [2021-10-13 00:44:46,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:44:46,232 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:44:46,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:44:46,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:44:46,321 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:44:46,321 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058869331] [2021-10-13 00:44:46,321 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058869331] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:44:46,321 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:44:46,322 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 00:44:46,322 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364901144] [2021-10-13 00:44:46,323 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 00:44:46,323 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:44:46,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:44:46,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:44:46,324 INFO L87 Difference]: Start difference. First operand 60 states and 84 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:44:46,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:44:46,486 INFO L93 Difference]: Finished difference Result 314 states and 458 transitions. [2021-10-13 00:44:46,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 00:44:46,487 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-10-13 00:44:46,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:44:46,490 INFO L225 Difference]: With dead ends: 314 [2021-10-13 00:44:46,490 INFO L226 Difference]: Without dead ends: 260 [2021-10-13 00:44:46,491 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 32.3ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-13 00:44:46,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2021-10-13 00:44:46,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 106. [2021-10-13 00:44:46,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 105 states have (on average 1.3904761904761904) internal successors, (146), 105 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:44:46,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 146 transitions. [2021-10-13 00:44:46,511 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 146 transitions. Word has length 31 [2021-10-13 00:44:46,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:44:46,511 INFO L470 AbstractCegarLoop]: Abstraction has 106 states and 146 transitions. [2021-10-13 00:44:46,511 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:44:46,512 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 146 transitions. [2021-10-13 00:44:46,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-13 00:44:46,513 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:44:46,513 INFO L512 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] [2021-10-13 00:44:46,513 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-13 00:44:46,514 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:44:46,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:44:46,514 INFO L82 PathProgramCache]: Analyzing trace with hash -1324804560, now seen corresponding path program 1 times [2021-10-13 00:44:46,514 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:44:46,515 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897674607] [2021-10-13 00:44:46,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:44:46,515 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:44:46,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:44:46,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:44:46,576 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:44:46,576 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897674607] [2021-10-13 00:44:46,577 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897674607] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:44:46,577 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:44:46,577 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:44:46,577 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538115263] [2021-10-13 00:44:46,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 00:44:46,578 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:44:46,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:44:46,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:44:46,579 INFO L87 Difference]: Start difference. First operand 106 states and 146 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:44:46,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:44:46,686 INFO L93 Difference]: Finished difference Result 212 states and 299 transitions. [2021-10-13 00:44:46,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 00:44:46,687 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-10-13 00:44:46,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:44:46,688 INFO L225 Difference]: With dead ends: 212 [2021-10-13 00:44:46,688 INFO L226 Difference]: Without dead ends: 158 [2021-10-13 00:44:46,689 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.8ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:44:46,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2021-10-13 00:44:46,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 155. [2021-10-13 00:44:46,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 154 states have (on average 1.396103896103896) internal successors, (215), 154 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:44:46,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 215 transitions. [2021-10-13 00:44:46,708 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 215 transitions. Word has length 32 [2021-10-13 00:44:46,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:44:46,709 INFO L470 AbstractCegarLoop]: Abstraction has 155 states and 215 transitions. [2021-10-13 00:44:46,709 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:44:46,709 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 215 transitions. [2021-10-13 00:44:46,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-13 00:44:46,710 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:44:46,711 INFO L512 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] [2021-10-13 00:44:46,711 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-13 00:44:46,711 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:44:46,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:44:46,712 INFO L82 PathProgramCache]: Analyzing trace with hash 1959045486, now seen corresponding path program 1 times [2021-10-13 00:44:46,712 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:44:46,712 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552862828] [2021-10-13 00:44:46,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:44:46,713 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:44:46,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:44:46,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:44:46,790 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:44:46,791 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552862828] [2021-10-13 00:44:46,791 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552862828] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:44:46,791 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:44:46,792 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 00:44:46,792 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435772055] [2021-10-13 00:44:46,792 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 00:44:46,793 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:44:46,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:44:46,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:44:46,795 INFO L87 Difference]: Start difference. First operand 155 states and 215 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:44:46,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:44:46,840 INFO L93 Difference]: Finished difference Result 412 states and 582 transitions. [2021-10-13 00:44:46,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 00:44:46,840 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-10-13 00:44:46,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:44:46,844 INFO L225 Difference]: With dead ends: 412 [2021-10-13 00:44:46,844 INFO L226 Difference]: Without dead ends: 308 [2021-10-13 00:44:46,848 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.9ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:44:46,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2021-10-13 00:44:46,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 155. [2021-10-13 00:44:46,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 154 states have (on average 1.3896103896103895) internal successors, (214), 154 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:44:46,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 214 transitions. [2021-10-13 00:44:46,897 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 214 transitions. Word has length 32 [2021-10-13 00:44:46,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:44:46,898 INFO L470 AbstractCegarLoop]: Abstraction has 155 states and 214 transitions. [2021-10-13 00:44:46,898 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:44:46,898 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 214 transitions. [2021-10-13 00:44:46,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-13 00:44:46,899 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:44:46,900 INFO L512 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] [2021-10-13 00:44:46,900 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-13 00:44:46,900 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:44:46,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:44:46,901 INFO L82 PathProgramCache]: Analyzing trace with hash -2077756372, now seen corresponding path program 1 times [2021-10-13 00:44:46,901 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:44:46,907 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54822193] [2021-10-13 00:44:46,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:44:46,908 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:44:46,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:44:47,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:44:47,011 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:44:47,011 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54822193] [2021-10-13 00:44:47,011 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54822193] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:44:47,011 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:44:47,011 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-13 00:44:47,012 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164377783] [2021-10-13 00:44:47,014 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 00:44:47,014 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:44:47,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 00:44:47,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-13 00:44:47,015 INFO L87 Difference]: Start difference. First operand 155 states and 214 transitions. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:44:47,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:44:47,113 INFO L93 Difference]: Finished difference Result 524 states and 737 transitions. [2021-10-13 00:44:47,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 00:44:47,114 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-10-13 00:44:47,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:44:47,117 INFO L225 Difference]: With dead ends: 524 [2021-10-13 00:44:47,117 INFO L226 Difference]: Without dead ends: 375 [2021-10-13 00:44:47,119 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 45.6ms TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-10-13 00:44:47,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2021-10-13 00:44:47,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 161. [2021-10-13 00:44:47,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 160 states have (on average 1.36875) internal successors, (219), 160 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:44:47,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 219 transitions. [2021-10-13 00:44:47,141 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 219 transitions. Word has length 32 [2021-10-13 00:44:47,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:44:47,142 INFO L470 AbstractCegarLoop]: Abstraction has 161 states and 219 transitions. [2021-10-13 00:44:47,142 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:44:47,142 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 219 transitions. [2021-10-13 00:44:47,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-13 00:44:47,150 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:44:47,150 INFO L512 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] [2021-10-13 00:44:47,150 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-13 00:44:47,151 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:44:47,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:44:47,152 INFO L82 PathProgramCache]: Analyzing trace with hash 662884577, now seen corresponding path program 1 times [2021-10-13 00:44:47,152 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:44:47,152 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641374326] [2021-10-13 00:44:47,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:44:47,152 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:44:47,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:44:47,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:44:47,240 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:44:47,240 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641374326] [2021-10-13 00:44:47,241 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641374326] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:44:47,241 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:44:47,241 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 00:44:47,242 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112469267] [2021-10-13 00:44:47,243 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 00:44:47,243 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:44:47,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 00:44:47,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-13 00:44:47,244 INFO L87 Difference]: Start difference. First operand 161 states and 219 transitions. Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:44:47,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:44:47,463 INFO L93 Difference]: Finished difference Result 1154 states and 1559 transitions. [2021-10-13 00:44:47,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-13 00:44:47,466 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-10-13 00:44:47,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:44:47,473 INFO L225 Difference]: With dead ends: 1154 [2021-10-13 00:44:47,474 INFO L226 Difference]: Without dead ends: 999 [2021-10-13 00:44:47,478 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 70.5ms TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-10-13 00:44:47,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 999 states. [2021-10-13 00:44:47,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 999 to 302. [2021-10-13 00:44:47,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 301 states have (on average 1.3488372093023255) internal successors, (406), 301 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:44:47,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 406 transitions. [2021-10-13 00:44:47,526 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 406 transitions. Word has length 35 [2021-10-13 00:44:47,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:44:47,529 INFO L470 AbstractCegarLoop]: Abstraction has 302 states and 406 transitions. [2021-10-13 00:44:47,529 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:44:47,529 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 406 transitions. [2021-10-13 00:44:47,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-13 00:44:47,533 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:44:47,533 INFO L512 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] [2021-10-13 00:44:47,533 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-13 00:44:47,533 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:44:47,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:44:47,534 INFO L82 PathProgramCache]: Analyzing trace with hash 1342942947, now seen corresponding path program 1 times [2021-10-13 00:44:47,534 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:44:47,535 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949191951] [2021-10-13 00:44:47,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:44:47,536 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:44:47,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:44:47,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:44:47,616 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:44:47,616 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949191951] [2021-10-13 00:44:47,617 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949191951] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:44:47,617 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:44:47,617 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-13 00:44:47,619 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726554342] [2021-10-13 00:44:47,620 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 00:44:47,620 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:44:47,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 00:44:47,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-13 00:44:47,622 INFO L87 Difference]: Start difference. First operand 302 states and 406 transitions. Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:44:47,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:44:47,814 INFO L93 Difference]: Finished difference Result 687 states and 937 transitions. [2021-10-13 00:44:47,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-13 00:44:47,815 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-10-13 00:44:47,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:44:47,816 INFO L225 Difference]: With dead ends: 687 [2021-10-13 00:44:47,816 INFO L226 Difference]: Without dead ends: 121 [2021-10-13 00:44:47,817 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 62.9ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-10-13 00:44:47,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2021-10-13 00:44:47,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 96. [2021-10-13 00:44:47,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 95 states have (on average 1.2105263157894737) internal successors, (115), 95 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:44:47,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 115 transitions. [2021-10-13 00:44:47,827 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 115 transitions. Word has length 35 [2021-10-13 00:44:47,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:44:47,827 INFO L470 AbstractCegarLoop]: Abstraction has 96 states and 115 transitions. [2021-10-13 00:44:47,828 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:44:47,828 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 115 transitions. [2021-10-13 00:44:47,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-13 00:44:47,828 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:44:47,828 INFO L512 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] [2021-10-13 00:44:47,829 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-13 00:44:47,829 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:44:47,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:44:47,830 INFO L82 PathProgramCache]: Analyzing trace with hash 384013147, now seen corresponding path program 1 times [2021-10-13 00:44:47,830 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:44:47,832 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315803411] [2021-10-13 00:44:47,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:44:47,832 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:44:47,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:44:47,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:44:47,917 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:44:47,917 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315803411] [2021-10-13 00:44:47,918 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315803411] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:44:47,918 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:44:47,918 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-13 00:44:47,918 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608321839] [2021-10-13 00:44:47,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-13 00:44:47,919 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:44:47,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-13 00:44:47,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-13 00:44:47,921 INFO L87 Difference]: Start difference. First operand 96 states and 115 transitions. Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:44:48,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:44:48,179 INFO L93 Difference]: Finished difference Result 280 states and 335 transitions. [2021-10-13 00:44:48,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-13 00:44:48,180 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-10-13 00:44:48,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:44:48,181 INFO L225 Difference]: With dead ends: 280 [2021-10-13 00:44:48,181 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 00:44:48,182 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 95.4ms TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-10-13 00:44:48,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 00:44:48,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 00:44:48,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:44:48,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 00:44:48,183 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2021-10-13 00:44:48,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:44:48,183 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:44:48,184 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:44:48,184 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 00:44:48,184 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 00:44:48,186 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:44:48,187 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:44:48,187 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:44:48,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-13 00:44:48,189 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 00:44:48,194 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:48,196 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:48,197 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:48,197 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:48,198 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:48,241 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:48,481 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:48,482 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:48,620 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:48,625 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:48,681 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:48,810 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:48,811 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:48,812 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:48,813 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:48,867 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:48,889 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:48,915 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:48,915 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:48,916 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:48,916 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:48,918 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:48,997 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:48,998 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:48,999 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:49,088 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:49,089 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:49,090 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:49,090 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:49,091 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:49,121 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:49,122 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:49,122 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:49,123 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:49,162 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:49,163 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:49,164 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:49,164 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:49,165 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:44:50,922 INFO L857 garLoopResultBuilder]: For program point L382(lines 382 386) no Hoare annotation was computed. [2021-10-13 00:44:50,922 INFO L857 garLoopResultBuilder]: For program point L349(lines 349 355) no Hoare annotation was computed. [2021-10-13 00:44:50,923 INFO L857 garLoopResultBuilder]: For program point L283(lines 283 289) no Hoare annotation was computed. [2021-10-13 00:44:50,923 INFO L857 garLoopResultBuilder]: For program point L349-2(lines 349 355) no Hoare annotation was computed. [2021-10-13 00:44:50,923 INFO L853 garLoopResultBuilder]: At program point L283-1(lines 283 289) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse0 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse8 (<= 2 ~waterLevel~0)) (.cse3 (not (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (.cse4 (= 1 ~systemActive~0)) (.cse5 (not (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~4 0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse1 (not .cse2) (= ULTIMATE.start_activatePump_~tmp~1 0) .cse4) (and .cse1 .cse2 .cse7 .cse4 .cse6) (and .cse1 .cse2 .cse7 .cse8 .cse4) (and .cse0 .cse1 .cse2 .cse8 .cse3 .cse4 .cse5))) [2021-10-13 00:44:50,923 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 924) no Hoare annotation was computed. [2021-10-13 00:44:50,923 INFO L857 garLoopResultBuilder]: For program point L349-4(lines 349 355) no Hoare annotation was computed. [2021-10-13 00:44:50,923 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 00:44:50,923 INFO L860 garLoopResultBuilder]: At program point L549(lines 530 552) the Hoare annotation is: true [2021-10-13 00:44:50,923 INFO L853 garLoopResultBuilder]: At program point L104(lines 104 110) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ~waterLevel~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (not (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) .cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0)) (not (= ULTIMATE.start_processEnvironment_~tmp~0 0))) (and .cse1 (not .cse2) (= ULTIMATE.start_activatePump_~tmp~1 0) .cse3) (and .cse1 .cse2 (= ~methaneLevelCritical~0 0) .cse3 .cse4))) [2021-10-13 00:44:50,924 INFO L853 garLoopResultBuilder]: At program point L104-1(lines 104 110) the Hoare annotation is: false [2021-10-13 00:44:50,924 INFO L853 garLoopResultBuilder]: At program point L104-2(lines 104 110) the Hoare annotation is: false [2021-10-13 00:44:50,924 INFO L853 garLoopResultBuilder]: At program point L517(lines 513 519) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-13 00:44:50,924 INFO L853 garLoopResultBuilder]: At program point L319(lines 272 320) the Hoare annotation is: false [2021-10-13 00:44:50,924 INFO L857 garLoopResultBuilder]: For program point L303(lines 303 314) no Hoare annotation was computed. [2021-10-13 00:44:50,924 INFO L853 garLoopResultBuilder]: At program point L452(lines 443 456) the Hoare annotation is: (let ((.cse5 (= ~methaneLevelCritical~0 0)) (.cse4 (= ~waterLevel~0 1)) (.cse0 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse3 (= 1 ~systemActive~0)) (.cse7 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse5 .cse6 .cse3 .cse7) (and .cse1 .cse2 .cse5 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse6 .cse3 .cse7))) [2021-10-13 00:44:50,924 INFO L853 garLoopResultBuilder]: At program point L452-1(lines 443 456) the Hoare annotation is: false [2021-10-13 00:44:50,924 INFO L853 garLoopResultBuilder]: At program point L452-2(lines 443 456) the Hoare annotation is: false [2021-10-13 00:44:50,924 INFO L853 garLoopResultBuilder]: At program point L469-2(lines 469 483) the Hoare annotation is: false [2021-10-13 00:44:50,924 INFO L857 garLoopResultBuilder]: For program point L370(lines 370 374) no Hoare annotation was computed. [2021-10-13 00:44:50,924 INFO L857 garLoopResultBuilder]: For program point L370-3(lines 370 374) no Hoare annotation was computed. [2021-10-13 00:44:50,925 INFO L857 garLoopResultBuilder]: For program point L370-6(lines 370 374) no Hoare annotation was computed. [2021-10-13 00:44:50,925 INFO L853 garLoopResultBuilder]: At program point L255(lines 240 258) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse6 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0)) (.cse8 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse9 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse10 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ~waterLevel~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse5 .cse6 .cse3 .cse7 .cse8 .cse9) (and .cse1 .cse2 .cse10 .cse5 .cse6 .cse3 .cse7 .cse8 .cse9) (and .cse1 .cse2 .cse10 .cse3 .cse4))) [2021-10-13 00:44:50,925 INFO L853 garLoopResultBuilder]: At program point L255-1(lines 240 258) the Hoare annotation is: false [2021-10-13 00:44:50,925 INFO L853 garLoopResultBuilder]: At program point L255-2(lines 240 258) the Hoare annotation is: false [2021-10-13 00:44:50,925 INFO L857 garLoopResultBuilder]: For program point L470(line 470) no Hoare annotation was computed. [2021-10-13 00:44:50,925 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 00:44:50,925 INFO L857 garLoopResultBuilder]: For program point L339(lines 339 359) no Hoare annotation was computed. [2021-10-13 00:44:50,925 INFO L857 garLoopResultBuilder]: For program point L339-2(lines 339 359) no Hoare annotation was computed. [2021-10-13 00:44:50,925 INFO L857 garLoopResultBuilder]: For program point L339-4(lines 339 359) no Hoare annotation was computed. [2021-10-13 00:44:50,925 INFO L853 garLoopResultBuilder]: At program point L75(lines 70 78) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-13 00:44:50,926 INFO L853 garLoopResultBuilder]: At program point L191(lines 184 194) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (let ((.cse4 (<= 2 ~waterLevel~0)) (.cse5 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0)) (.cse8 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse10 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0))) (.cse12 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse13 (not .cse2)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse6 (= 1 ~systemActive~0)) (.cse14 (= ~waterLevel~0 1)) (.cse9 (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) (.cse11 (not (= ULTIMATE.start_processEnvironment_~tmp~0 0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) (and .cse12 .cse0 .cse1 .cse4 .cse5 .cse13 .cse6 .cse7 .cse8 .cse10 .cse11) (and .cse12 .cse0 .cse1 .cse13 .cse6 .cse14 .cse11) (and .cse0 .cse1 .cse2 .cse3 .cse6 .cse14 .cse9 .cse11)))) [2021-10-13 00:44:50,926 INFO L853 garLoopResultBuilder]: At program point L191-1(lines 184 194) the Hoare annotation is: false [2021-10-13 00:44:50,926 INFO L853 garLoopResultBuilder]: At program point L191-2(lines 184 194) the Hoare annotation is: false [2021-10-13 00:44:50,926 INFO L853 garLoopResultBuilder]: At program point L439(lines 434 442) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 (not .cse1) (= ULTIMATE.start_activatePump_~tmp~1 0) .cse2) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse2 (= |ULTIMATE.start_getWaterLevel_#res| 1) (= ~waterLevel~0 1)))) [2021-10-13 00:44:50,926 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 924) no Hoare annotation was computed. [2021-10-13 00:44:50,926 INFO L853 garLoopResultBuilder]: At program point L439-1(lines 434 442) the Hoare annotation is: false [2021-10-13 00:44:50,926 INFO L853 garLoopResultBuilder]: At program point L439-2(lines 434 442) the Hoare annotation is: false [2021-10-13 00:44:50,926 INFO L857 garLoopResultBuilder]: For program point L274(lines 273 318) no Hoare annotation was computed. [2021-10-13 00:44:50,926 INFO L857 garLoopResultBuilder]: For program point L473(lines 473 477) no Hoare annotation was computed. [2021-10-13 00:44:50,926 INFO L857 garLoopResultBuilder]: For program point L473-1(lines 97 103) no Hoare annotation was computed. [2021-10-13 00:44:50,927 INFO L853 garLoopResultBuilder]: At program point L407(lines 402 410) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (let ((.cse7 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse10 (not .cse2)) (.cse5 (= ~waterLevel~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse8 (<= 2 ~waterLevel~0)) (.cse9 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse4 (= 1 ~systemActive~0)) (.cse11 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0)) (.cse12 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse13 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0))) (.cse6 (not (= ULTIMATE.start_processEnvironment_~tmp~0 0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse1 .cse8 .cse9 .cse10 .cse4 .cse11 .cse12 .cse13 .cse6) (and .cse7 .cse0 .cse1 .cse10 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 .cse8 .cse9 .cse4 .cse11 .cse12 .cse13 .cse6)))) [2021-10-13 00:44:50,927 INFO L853 garLoopResultBuilder]: At program point L407-1(lines 402 410) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (let ((.cse5 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse6 (not .cse2)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ~waterLevel~0 1))) (or (and .cse0 .cse1 .cse2 (= ~methaneLevelCritical~0 0) .cse3 .cse4) (and .cse5 .cse0 .cse1 (<= 2 ~waterLevel~0) (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) .cse6 .cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0)) (not (= ULTIMATE.start_processEnvironment_~tmp~0 0))) (and .cse0 (not .cse1) (= ULTIMATE.start_activatePump_~tmp~1 0) .cse3) (and .cse5 .cse0 .cse1 .cse6 .cse3 .cse4)))) [2021-10-13 00:44:50,927 INFO L853 garLoopResultBuilder]: At program point L407-2(lines 402 410) the Hoare annotation is: false [2021-10-13 00:44:50,927 INFO L853 garLoopResultBuilder]: At program point L407-3(lines 402 410) the Hoare annotation is: false [2021-10-13 00:44:50,927 INFO L857 garLoopResultBuilder]: For program point L275(lines 275 279) no Hoare annotation was computed. [2021-10-13 00:44:50,927 INFO L853 garLoopResultBuilder]: At program point L407-4(lines 402 410) the Hoare annotation is: false [2021-10-13 00:44:50,927 INFO L853 garLoopResultBuilder]: At program point L407-5(lines 402 410) the Hoare annotation is: false [2021-10-13 00:44:50,927 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 00:44:50,927 INFO L857 garLoopResultBuilder]: For program point L540(lines 540 547) no Hoare annotation was computed. [2021-10-13 00:44:50,927 INFO L860 garLoopResultBuilder]: At program point L540-1(lines 540 547) the Hoare annotation is: true [2021-10-13 00:44:50,927 INFO L857 garLoopResultBuilder]: For program point L309(lines 309 313) no Hoare annotation was computed. [2021-10-13 00:44:50,928 INFO L857 garLoopResultBuilder]: For program point L309-2(lines 97 103) no Hoare annotation was computed. [2021-10-13 00:44:50,928 INFO L857 garLoopResultBuilder]: For program point L293(lines 293 299) no Hoare annotation was computed. [2021-10-13 00:44:50,928 INFO L853 garLoopResultBuilder]: At program point L293-1(lines 293 299) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse4 (= ~waterLevel~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 (not .cse2) (= ULTIMATE.start_activatePump_~tmp~1 0) .cse3) (and .cse0 .cse1 .cse2 .cse5 .cse3) (and .cse1 .cse2 .cse6 .cse3 .cse4) (and .cse1 .cse2 .cse6 .cse5 .cse3))) [2021-10-13 00:44:50,928 INFO L857 garLoopResultBuilder]: For program point L129(lines 129 146) no Hoare annotation was computed. [2021-10-13 00:44:50,928 INFO L857 garLoopResultBuilder]: For program point L129-1(lines 129 146) no Hoare annotation was computed. [2021-10-13 00:44:50,928 INFO L857 garLoopResultBuilder]: For program point L129-2(lines 129 146) no Hoare annotation was computed. [2021-10-13 00:44:50,928 INFO L857 garLoopResultBuilder]: For program point L394(lines 394 398) no Hoare annotation was computed. [2021-10-13 00:44:50,928 INFO L853 garLoopResultBuilder]: At program point L97(lines 96 115) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse4 (= ~waterLevel~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 (not .cse2) (= ULTIMATE.start_activatePump_~tmp~1 0) .cse3) (and .cse0 .cse1 .cse2 .cse5 .cse3) (and .cse1 .cse2 .cse6 .cse3 .cse4) (and .cse1 .cse2 .cse6 .cse5 .cse3))) [2021-10-13 00:44:50,928 INFO L857 garLoopResultBuilder]: For program point L97-1(lines 97 103) no Hoare annotation was computed. [2021-10-13 00:44:50,928 INFO L853 garLoopResultBuilder]: At program point L97-2(lines 96 115) the Hoare annotation is: false [2021-10-13 00:44:50,928 INFO L853 garLoopResultBuilder]: At program point L97-3(lines 96 115) the Hoare annotation is: false [2021-10-13 00:44:50,929 INFO L857 garLoopResultBuilder]: For program point L345(lines 345 358) no Hoare annotation was computed. [2021-10-13 00:44:50,929 INFO L853 garLoopResultBuilder]: At program point L345-1(lines 1 927) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse3 (not (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (.cse5 (not (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~4 0))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse6 (= ~waterLevel~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse1 (not .cse2) (= ULTIMATE.start_activatePump_~tmp~1 0) .cse4) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) .cse3 .cse4 .cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0)) (not (= ULTIMATE.start_processEnvironment_~tmp~0 0))) (and .cse1 .cse2 (= ~methaneLevelCritical~0 0) .cse4 .cse6))) [2021-10-13 00:44:50,929 INFO L857 garLoopResultBuilder]: For program point L345-2(lines 345 358) no Hoare annotation was computed. [2021-10-13 00:44:50,929 INFO L853 garLoopResultBuilder]: At program point L345-3(lines 1 927) the Hoare annotation is: false [2021-10-13 00:44:50,929 INFO L857 garLoopResultBuilder]: For program point L345-4(lines 345 358) no Hoare annotation was computed. [2021-10-13 00:44:50,929 INFO L853 garLoopResultBuilder]: At program point L345-5(lines 1 927) the Hoare annotation is: false [2021-10-13 00:44:50,929 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 00:44:50,929 INFO L857 garLoopResultBuilder]: For program point L924(line 924) no Hoare annotation was computed. [2021-10-13 00:44:50,929 INFO L857 garLoopResultBuilder]: For program point L924-1(line 924) no Hoare annotation was computed. [2021-10-13 00:44:50,929 INFO L857 garLoopResultBuilder]: For program point L924-2(line 924) no Hoare annotation was computed. [2021-10-13 00:44:50,929 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 924) no Hoare annotation was computed. [2021-10-13 00:44:50,930 INFO L857 garLoopResultBuilder]: For program point L166(lines 166 172) no Hoare annotation was computed. [2021-10-13 00:44:50,930 INFO L857 garLoopResultBuilder]: For program point L133(lines 133 141) no Hoare annotation was computed. [2021-10-13 00:44:50,930 INFO L857 garLoopResultBuilder]: For program point L133-1(lines 133 141) no Hoare annotation was computed. [2021-10-13 00:44:50,930 INFO L857 garLoopResultBuilder]: For program point L166-2(lines 166 172) no Hoare annotation was computed. [2021-10-13 00:44:50,937 INFO L853 garLoopResultBuilder]: At program point L67(lines 1 927) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-13 00:44:50,937 INFO L857 garLoopResultBuilder]: For program point L133-2(lines 133 141) no Hoare annotation was computed. [2021-10-13 00:44:50,938 INFO L857 garLoopResultBuilder]: For program point L166-4(lines 166 172) no Hoare annotation was computed. [2021-10-13 00:44:50,938 INFO L857 garLoopResultBuilder]: For program point L447(lines 447 453) no Hoare annotation was computed. [2021-10-13 00:44:50,938 INFO L857 garLoopResultBuilder]: For program point L447-1(lines 447 453) no Hoare annotation was computed. [2021-10-13 00:44:50,938 INFO L857 garLoopResultBuilder]: For program point L447-2(lines 447 453) no Hoare annotation was computed. [2021-10-13 00:44:50,938 INFO L857 garLoopResultBuilder]: For program point L249(lines 249 253) no Hoare annotation was computed. [2021-10-13 00:44:50,938 INFO L857 garLoopResultBuilder]: For program point L249-2(lines 249 253) no Hoare annotation was computed. [2021-10-13 00:44:50,939 INFO L857 garLoopResultBuilder]: For program point L249-3(lines 249 253) no Hoare annotation was computed. [2021-10-13 00:44:50,939 INFO L857 garLoopResultBuilder]: For program point L249-5(lines 249 253) no Hoare annotation was computed. [2021-10-13 00:44:50,939 INFO L857 garLoopResultBuilder]: For program point L249-6(lines 249 253) no Hoare annotation was computed. [2021-10-13 00:44:50,939 INFO L857 garLoopResultBuilder]: For program point L249-8(lines 249 253) no Hoare annotation was computed. [2021-10-13 00:44:50,939 INFO L853 garLoopResultBuilder]: At program point L200(lines 195 203) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (not (= ~pumpRunning~0 0)) (not (= |ULTIMATE.start_isPumpRunning_#res| 0)) (= ULTIMATE.start_activatePump_~tmp~1 0) (= 1 ~systemActive~0)) [2021-10-13 00:44:50,939 INFO L853 garLoopResultBuilder]: At program point L200-1(lines 195 203) the Hoare annotation is: false [2021-10-13 00:44:50,940 INFO L853 garLoopResultBuilder]: At program point L200-2(lines 195 203) the Hoare annotation is: false [2021-10-13 00:44:50,944 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 00:44:50,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:44:50 BoogieIcfgContainer [2021-10-13 00:44:50,974 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 00:44:50,975 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:44:50,975 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:44:50,975 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:44:50,976 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:44:45" (3/4) ... [2021-10-13 00:44:50,979 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 00:44:50,996 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-13 00:44:50,997 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-13 00:44:50,998 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-13 00:44:50,998 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-13 00:44:50,999 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 00:44:51,000 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 00:44:51,001 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 00:44:51,025 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && !(\result == 0)) && 1 == systemActive) && !(tmp == 0)) && waterLevel == 1) || (((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive)) || (((((((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && !(\result == 0)) && 1 == systemActive) && !(tmp == 0)) && tmp == 0) && \result == 0) && !(tmp___0 == 0)) && !(tmp == 0))) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) [2021-10-13 00:44:51,026 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && !(\result == 0)) && 1 == systemActive) && !(tmp == 0)) && waterLevel == 1) || (((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive)) || ((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && !(tmp == 0)) [2021-10-13 00:44:51,027 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1) || ((((((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && !(\result == 0)) && 1 == systemActive) && tmp == 0) && \result == 0) && !(tmp___0 == 0)) && !(tmp == 0))) || (((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) [2021-10-13 00:44:51,028 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) || ((((((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && !(\result == 0)) && 1 == systemActive) && tmp == 0) && \result == 0) && !(tmp___0 == 0)) && !(tmp == 0))) || (((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive)) || (((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && !(\result == 0)) && 1 == systemActive) && waterLevel == 1) [2021-10-13 00:44:51,029 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1)) || (((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0) [2021-10-13 00:44:51,029 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1) [2021-10-13 00:44:51,030 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1) || ((((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && tmp == 0) && \result == 0) && !(tmp___0 == 0))) || ((((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && tmp == 0) && \result == 0) && !(tmp___0 == 0))) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) [2021-10-13 00:44:51,030 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0 && !(pumpRunning == 0)) && !(\result == 0)) && tmp == 0) && 1 == systemActive [2021-10-13 00:44:51,031 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) && !(tmp == 0)) || ((((((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && !(\result == 0)) && 1 == systemActive) && tmp == 0) && \result == 0) && !(tmp___0 == 0)) && !(tmp == 0))) || ((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && !(\result == 0)) && 1 == systemActive) && waterLevel == 1) && !(tmp == 0))) || ((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && tmp == 0) && \result == 0) && !(tmp___0 == 0)) && !(tmp == 0)) [2021-10-13 00:44:51,031 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && tmp == 0) && \result == 0) && \result == 0) && !(tmp___0 == 0)) && !(tmp == 0)) || ((((((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && !(\result == 0)) && 1 == systemActive) && tmp == 0) && \result == 0) && !(tmp___0 == 0)) && !(tmp == 0))) || ((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && !(\result == 0)) && 1 == systemActive) && waterLevel == 1) && !(tmp == 0))) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) && \result == 0) && !(tmp == 0)) [2021-10-13 00:44:51,071 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3facb855-fc18-4482-a72d-7c8448dcf186/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 00:44:51,071 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:44:51,073 INFO L168 Benchmark]: Toolchain (without parser) took 7683.49 ms. Allocated memory was 102.8 MB in the beginning and 148.9 MB in the end (delta: 46.1 MB). Free memory was 70.1 MB in the beginning and 111.4 MB in the end (delta: -41.3 MB). Peak memory consumption was 4.0 MB. Max. memory is 16.1 GB. [2021-10-13 00:44:51,073 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 102.8 MB. Free memory is still 58.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:44:51,074 INFO L168 Benchmark]: CACSL2BoogieTranslator took 532.80 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 69.8 MB in the beginning and 90.3 MB in the end (delta: -20.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:44:51,074 INFO L168 Benchmark]: Boogie Procedure Inliner took 88.17 ms. Allocated memory is still 123.7 MB. Free memory was 90.3 MB in the beginning and 87.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:44:51,075 INFO L168 Benchmark]: Boogie Preprocessor took 54.67 ms. Allocated memory is still 123.7 MB. Free memory was 87.4 MB in the beginning and 84.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:44:51,075 INFO L168 Benchmark]: RCFGBuilder took 1087.57 ms. Allocated memory is still 123.7 MB. Free memory was 84.7 MB in the beginning and 97.7 MB in the end (delta: -13.0 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.1 GB. [2021-10-13 00:44:51,075 INFO L168 Benchmark]: TraceAbstraction took 5810.81 ms. Allocated memory was 123.7 MB in the beginning and 148.9 MB in the end (delta: 25.2 MB). Free memory was 97.0 MB in the beginning and 120.0 MB in the end (delta: -23.0 MB). Peak memory consumption was 87.8 MB. Max. memory is 16.1 GB. [2021-10-13 00:44:51,076 INFO L168 Benchmark]: Witness Printer took 96.50 ms. Allocated memory is still 148.9 MB. Free memory was 119.9 MB in the beginning and 111.4 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:44:51,078 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 102.8 MB. Free memory is still 58.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 532.80 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 69.8 MB in the beginning and 90.3 MB in the end (delta: -20.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 88.17 ms. Allocated memory is still 123.7 MB. Free memory was 90.3 MB in the beginning and 87.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 54.67 ms. Allocated memory is still 123.7 MB. Free memory was 87.4 MB in the beginning and 84.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1087.57 ms. Allocated memory is still 123.7 MB. Free memory was 84.7 MB in the beginning and 97.7 MB in the end (delta: -13.0 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5810.81 ms. Allocated memory was 123.7 MB in the beginning and 148.9 MB in the end (delta: 25.2 MB). Free memory was 97.0 MB in the beginning and 120.0 MB in the end (delta: -23.0 MB). Peak memory consumption was 87.8 MB. Max. memory is 16.1 GB. * Witness Printer took 96.50 ms. Allocated memory is still 148.9 MB. Free memory was 119.9 MB in the beginning and 111.4 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 924]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 924]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 924]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 93 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 5693.0ms, OverallIterations: 11, TraceHistogramMax: 1, EmptinessCheckTime: 34.4ms, AutomataDifference: 1267.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 2733.7ms, InitialAbstractionConstructionTime: 16.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1028 SDtfs, 1366 SDslu, 1800 SDs, 0 SdLazy, 263 SolverSat, 37 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 421.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 77 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 333.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=302occurred in iteration=9, InterpolantAutomatonStates: 65, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 234.2ms AutomataMinimizationTime, 11 MinimizatonAttempts, 1248 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 39 LocationsWithAnnotation, 39 PreInvPairs, 204 NumberOfFragments, 1061 HoareAnnotationTreeSize, 39 FomulaSimplifications, 189890 FormulaSimplificationTreeSizeReduction, 971.6ms HoareSimplificationTime, 39 FomulaSimplificationsInter, 8055 FormulaSimplificationTreeSizeReductionInter, 1746.7ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 67.1ms SsaConstructionTime, 338.8ms SatisfiabilityAnalysisTime, 705.5ms InterpolantComputationTime, 319 NumberOfCodeBlocks, 319 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 308 ConstructedInterpolants, 0 QuantifiedInterpolants, 687 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 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 - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 469]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1) || (((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive)) || ((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && !(pumpRunning == 0)) && !(\result == 0)) && tmp == 0) && 1 == systemActive - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: (((((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && !(\result == 0)) && 1 == systemActive) && !(tmp == 0)) && waterLevel == 1) || (((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive)) || ((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && !(tmp == 0)) - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1) || (((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive)) || ((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1)) || (((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0) - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: (((((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && tmp == 0) && \result == 0) && \result == 0) && !(tmp___0 == 0)) && !(tmp == 0)) || ((((((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && !(\result == 0)) && 1 == systemActive) && tmp == 0) && \result == 0) && !(tmp___0 == 0)) && !(tmp == 0))) || ((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && !(\result == 0)) && 1 == systemActive) && waterLevel == 1) && !(tmp == 0))) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) && \result == 0) && !(tmp == 0)) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && !(\result == 0)) && 1 == systemActive) && !(tmp == 0)) && waterLevel == 1) || (((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive)) || (((((((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && !(\result == 0)) && 1 == systemActive) && !(tmp == 0)) && tmp == 0) && \result == 0) && !(tmp___0 == 0)) && !(tmp == 0))) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) && !(tmp == 0)) || ((((((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && !(\result == 0)) && 1 == systemActive) && tmp == 0) && \result == 0) && !(tmp___0 == 0)) && !(tmp == 0))) || ((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && !(\result == 0)) && 1 == systemActive) && waterLevel == 1) && !(tmp == 0))) || ((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && tmp == 0) && \result == 0) && !(tmp___0 == 0)) && !(tmp == 0)) - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1) || ((((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && tmp == 0) && \result == 0) && !(tmp___0 == 0))) || ((((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && !(\result == 0)) && 1 == systemActive) && tmp == 0) && \result == 0) && !(tmp___0 == 0))) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1) || ((((((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && !(\result == 0)) && 1 == systemActive) && tmp == 0) && \result == 0) && !(tmp___0 == 0)) && !(tmp == 0))) || (((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive)) || ((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1) - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) || ((((((((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && !(\result == 0)) && 1 == systemActive) && tmp == 0) && \result == 0) && !(tmp___0 == 0)) && !(tmp == 0))) || (((splverifierCounter == 0 && !(pumpRunning == 0)) && tmp == 0) && 1 == systemActive)) || (((((methaneLevelCritical == systemActive && splverifierCounter == 0) && pumpRunning == 0) && !(\result == 0)) && 1 == systemActive) && waterLevel == 1) - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-13 00:44:51,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3facb855-fc18-4482-a72d-7c8448dcf186/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...