./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product54.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645a52d0-e59c-4c9c-bef1-0b123204aeac/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645a52d0-e59c-4c9c-bef1-0b123204aeac/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645a52d0-e59c-4c9c-bef1-0b123204aeac/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645a52d0-e59c-4c9c-bef1-0b123204aeac/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product54.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645a52d0-e59c-4c9c-bef1-0b123204aeac/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645a52d0-e59c-4c9c-bef1-0b123204aeac/bin/utaipan-EQgc7hIp5V --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 88f09ec5af0f641c9edfe2f7047937341e46c7f8baabeed0fd38f069cd3b5278 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:34:58,036 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:34:58,038 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:34:58,089 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:34:58,090 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:34:58,091 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:34:58,093 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:34:58,095 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:34:58,097 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:34:58,098 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:34:58,099 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:34:58,100 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:34:58,101 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:34:58,102 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:34:58,104 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:34:58,105 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:34:58,107 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:34:58,108 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:34:58,110 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:34:58,112 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:34:58,114 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:34:58,116 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:34:58,117 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:34:58,118 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:34:58,122 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:34:58,123 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:34:58,123 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:34:58,124 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:34:58,125 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:34:58,126 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:34:58,126 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:34:58,127 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:34:58,128 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:34:58,129 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:34:58,130 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:34:58,130 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:34:58,131 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:34:58,131 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:34:58,132 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:34:58,133 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:34:58,133 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:34:58,134 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645a52d0-e59c-4c9c-bef1-0b123204aeac/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 02:34:58,160 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:34:58,161 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:34:58,161 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:34:58,161 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:34:58,162 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:34:58,162 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:34:58,162 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:34:58,163 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:34:58,163 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:34:58,163 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:34:58,163 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:34:58,163 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:34:58,164 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:34:58,164 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:34:58,164 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:34:58,164 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:34:58,164 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:34:58,165 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:34:58,165 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:34:58,166 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 02:34:58,166 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:34:58,166 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 02:34:58,166 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:34:58,166 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:34:58,166 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:34:58,167 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:34:58,167 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 02:34:58,167 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:34:58,167 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:34:58,168 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:34:58,168 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:34:58,168 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:34:58,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:34:58,168 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:34:58,169 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:34:58,169 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:34:58,169 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:34:58,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:34:58,169 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:34:58,170 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:34:58,170 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:34:58,170 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_645a52d0-e59c-4c9c-bef1-0b123204aeac/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645a52d0-e59c-4c9c-bef1-0b123204aeac/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 88f09ec5af0f641c9edfe2f7047937341e46c7f8baabeed0fd38f069cd3b5278 [2021-11-23 02:34:58,414 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:34:58,445 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:34:58,449 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:34:58,450 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:34:58,451 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:34:58,452 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645a52d0-e59c-4c9c-bef1-0b123204aeac/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/product-lines/minepump_spec5_product54.cil.c [2021-11-23 02:34:58,555 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645a52d0-e59c-4c9c-bef1-0b123204aeac/bin/utaipan-EQgc7hIp5V/data/55429f53b/93d4e2139db74266a0fd400725925cfd/FLAG09be65d0c [2021-11-23 02:34:59,026 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:34:59,026 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645a52d0-e59c-4c9c-bef1-0b123204aeac/sv-benchmarks/c/product-lines/minepump_spec5_product54.cil.c [2021-11-23 02:34:59,042 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645a52d0-e59c-4c9c-bef1-0b123204aeac/bin/utaipan-EQgc7hIp5V/data/55429f53b/93d4e2139db74266a0fd400725925cfd/FLAG09be65d0c [2021-11-23 02:34:59,379 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645a52d0-e59c-4c9c-bef1-0b123204aeac/bin/utaipan-EQgc7hIp5V/data/55429f53b/93d4e2139db74266a0fd400725925cfd [2021-11-23 02:34:59,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:34:59,383 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:34:59,385 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:34:59,385 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:34:59,389 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:34:59,389 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:34:59" (1/1) ... [2021-11-23 02:34:59,390 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@412e2174 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:59, skipping insertion in model container [2021-11-23 02:34:59,390 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:34:59" (1/1) ... [2021-11-23 02:34:59,398 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:34:59,452 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:34:59,658 WARN L230 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_645a52d0-e59c-4c9c-bef1-0b123204aeac/sv-benchmarks/c/product-lines/minepump_spec5_product54.cil.c[3971,3984] [2021-11-23 02:34:59,834 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:34:59,846 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:34:59,893 WARN L230 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_645a52d0-e59c-4c9c-bef1-0b123204aeac/sv-benchmarks/c/product-lines/minepump_spec5_product54.cil.c[3971,3984] [2021-11-23 02:34:59,972 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:34:59,997 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:34:59,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:59 WrapperNode [2021-11-23 02:34:59,998 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:35:00,000 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:35:00,000 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:35:00,000 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:35:00,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:59" (1/1) ... [2021-11-23 02:35:00,035 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:59" (1/1) ... [2021-11-23 02:35:00,091 INFO L137 Inliner]: procedures = 59, calls = 162, calls flagged for inlining = 26, calls inlined = 23, statements flattened = 289 [2021-11-23 02:35:00,092 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:35:00,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:35:00,093 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:35:00,094 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:35:00,102 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:59" (1/1) ... [2021-11-23 02:35:00,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:59" (1/1) ... [2021-11-23 02:35:00,116 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:59" (1/1) ... [2021-11-23 02:35:00,123 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:59" (1/1) ... [2021-11-23 02:35:00,130 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:59" (1/1) ... [2021-11-23 02:35:00,149 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:59" (1/1) ... [2021-11-23 02:35:00,151 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:59" (1/1) ... [2021-11-23 02:35:00,153 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:35:00,154 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:35:00,160 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:35:00,161 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:35:00,162 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:59" (1/1) ... [2021-11-23 02:35:00,171 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:35:00,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645a52d0-e59c-4c9c-bef1-0b123204aeac/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:35:00,197 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645a52d0-e59c-4c9c-bef1-0b123204aeac/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:35:00,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645a52d0-e59c-4c9c-bef1-0b123204aeac/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:35:00,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:35:00,251 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-11-23 02:35:00,251 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-11-23 02:35:00,251 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-23 02:35:00,252 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-23 02:35:00,252 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-23 02:35:00,252 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-23 02:35:00,252 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-11-23 02:35:00,252 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-11-23 02:35:00,252 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-23 02:35:00,253 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-23 02:35:00,253 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2021-11-23 02:35:00,253 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2021-11-23 02:35:00,253 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-11-23 02:35:00,253 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-11-23 02:35:00,254 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-11-23 02:35:00,254 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-11-23 02:35:00,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:35:00,254 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-23 02:35:00,254 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-23 02:35:00,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:35:00,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:35:00,334 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:35:00,336 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:35:00,695 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:35:00,799 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:35:00,799 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 02:35:00,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:35:00 BoogieIcfgContainer [2021-11-23 02:35:00,810 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:35:00,813 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:35:00,813 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:35:00,817 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:35:00,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:34:59" (1/3) ... [2021-11-23 02:35:00,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@679e6057 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:35:00, skipping insertion in model container [2021-11-23 02:35:00,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:34:59" (2/3) ... [2021-11-23 02:35:00,820 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@679e6057 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:35:00, skipping insertion in model container [2021-11-23 02:35:00,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:35:00" (3/3) ... [2021-11-23 02:35:00,821 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product54.cil.c [2021-11-23 02:35:00,829 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:35:00,830 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 02:35:00,888 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:35:00,894 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, mAutomataTypeConcurrency=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 [2021-11-23 02:35:00,894 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 02:35:00,912 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 42 states have (on average 1.4285714285714286) internal successors, (60), 52 states have internal predecessors, (60), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2021-11-23 02:35:00,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 02:35:00,919 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:35:00,919 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:35:00,920 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:35:00,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:35:00,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1377510126, now seen corresponding path program 1 times [2021-11-23 02:35:00,934 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:35:00,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696921209] [2021-11-23 02:35:00,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:35:00,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:35:01,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:35:01,206 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 02:35:01,210 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:35:01,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696921209] [2021-11-23 02:35:01,211 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696921209] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:35:01,211 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:35:01,211 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 02:35:01,213 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360295531] [2021-11-23 02:35:01,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:35:01,218 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 02:35:01,218 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:35:01,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 02:35:01,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 02:35:01,260 INFO L87 Difference]: Start difference. First operand has 69 states, 42 states have (on average 1.4285714285714286) internal successors, (60), 52 states have internal predecessors, (60), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 02:35:01,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:35:01,340 INFO L93 Difference]: Finished difference Result 136 states and 185 transitions. [2021-11-23 02:35:01,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 02:35:01,343 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2021-11-23 02:35:01,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:35:01,352 INFO L225 Difference]: With dead ends: 136 [2021-11-23 02:35:01,353 INFO L226 Difference]: Without dead ends: 64 [2021-11-23 02:35:01,358 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 02:35:01,364 INFO L933 BasicCegarLoop]: 71 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:35:01,365 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 71 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 02:35:01,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2021-11-23 02:35:01,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2021-11-23 02:35:01,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 39 states have (on average 1.3333333333333333) internal successors, (52), 48 states have internal predecessors, (52), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15) [2021-11-23 02:35:01,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 83 transitions. [2021-11-23 02:35:01,422 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 83 transitions. Word has length 21 [2021-11-23 02:35:01,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:35:01,423 INFO L470 AbstractCegarLoop]: Abstraction has 64 states and 83 transitions. [2021-11-23 02:35:01,423 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 02:35:01,423 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 83 transitions. [2021-11-23 02:35:01,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 02:35:01,426 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:35:01,426 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:35:01,426 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 02:35:01,427 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:35:01,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:35:01,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1985979574, now seen corresponding path program 1 times [2021-11-23 02:35:01,428 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:35:01,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951940871] [2021-11-23 02:35:01,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:35:01,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:35:01,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:35:01,570 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 02:35:01,571 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:35:01,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951940871] [2021-11-23 02:35:01,571 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951940871] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:35:01,571 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:35:01,572 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-23 02:35:01,572 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149889960] [2021-11-23 02:35:01,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:35:01,573 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 02:35:01,574 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:35:01,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 02:35:01,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-23 02:35:01,575 INFO L87 Difference]: Start difference. First operand 64 states and 83 transitions. Second operand has 6 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 02:35:01,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:35:01,876 INFO L93 Difference]: Finished difference Result 176 states and 252 transitions. [2021-11-23 02:35:01,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-23 02:35:01,877 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2021-11-23 02:35:01,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:35:01,885 INFO L225 Difference]: With dead ends: 176 [2021-11-23 02:35:01,888 INFO L226 Difference]: Without dead ends: 114 [2021-11-23 02:35:01,891 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-23 02:35:01,892 INFO L933 BasicCegarLoop]: 93 mSDtfsCounter, 51 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 02:35:01,893 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 393 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-23 02:35:01,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2021-11-23 02:35:01,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 110. [2021-11-23 02:35:01,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 70 states have (on average 1.2571428571428571) internal successors, (88), 78 states have internal predecessors, (88), 24 states have call successors, (24), 17 states have call predecessors, (24), 15 states have return successors, (32), 20 states have call predecessors, (32), 22 states have call successors, (32) [2021-11-23 02:35:01,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 144 transitions. [2021-11-23 02:35:01,920 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 144 transitions. Word has length 24 [2021-11-23 02:35:01,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:35:01,921 INFO L470 AbstractCegarLoop]: Abstraction has 110 states and 144 transitions. [2021-11-23 02:35:01,921 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-23 02:35:01,921 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 144 transitions. [2021-11-23 02:35:01,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 02:35:01,923 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:35:01,924 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:35:01,924 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 02:35:01,924 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:35:01,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:35:01,925 INFO L85 PathProgramCache]: Analyzing trace with hash 998528266, now seen corresponding path program 1 times [2021-11-23 02:35:01,925 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:35:01,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226573869] [2021-11-23 02:35:01,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:35:01,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:35:01,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:35:02,040 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 02:35:02,040 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:35:02,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226573869] [2021-11-23 02:35:02,040 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226573869] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:35:02,041 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:35:02,041 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:35:02,041 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864199749] [2021-11-23 02:35:02,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:35:02,042 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:35:02,042 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:35:02,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:35:02,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:35:02,043 INFO L87 Difference]: Start difference. First operand 110 states and 144 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-23 02:35:02,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:35:02,099 INFO L93 Difference]: Finished difference Result 176 states and 226 transitions. [2021-11-23 02:35:02,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:35:02,100 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 35 [2021-11-23 02:35:02,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:35:02,104 INFO L225 Difference]: With dead ends: 176 [2021-11-23 02:35:02,104 INFO L226 Difference]: Without dead ends: 94 [2021-11-23 02:35:02,105 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:35:02,107 INFO L933 BasicCegarLoop]: 57 mSDtfsCounter, 7 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:35:02,107 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 105 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 02:35:02,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2021-11-23 02:35:02,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2021-11-23 02:35:02,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 60 states have (on average 1.2666666666666666) internal successors, (76), 68 states have internal predecessors, (76), 18 states have call successors, (18), 15 states have call predecessors, (18), 15 states have return successors, (24), 16 states have call predecessors, (24), 18 states have call successors, (24) [2021-11-23 02:35:02,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 118 transitions. [2021-11-23 02:35:02,136 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 118 transitions. Word has length 35 [2021-11-23 02:35:02,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:35:02,136 INFO L470 AbstractCegarLoop]: Abstraction has 94 states and 118 transitions. [2021-11-23 02:35:02,137 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-23 02:35:02,137 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 118 transitions. [2021-11-23 02:35:02,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 02:35:02,148 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:35:02,148 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:35:02,149 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 02:35:02,149 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:35:02,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:35:02,150 INFO L85 PathProgramCache]: Analyzing trace with hash 1279318241, now seen corresponding path program 1 times [2021-11-23 02:35:02,150 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:35:02,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486094183] [2021-11-23 02:35:02,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:35:02,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:35:02,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:35:02,359 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 02:35:02,359 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:35:02,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486094183] [2021-11-23 02:35:02,359 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486094183] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:35:02,360 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:35:02,360 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-23 02:35:02,360 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462160444] [2021-11-23 02:35:02,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:35:02,361 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 02:35:02,361 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:35:02,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 02:35:02,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-23 02:35:02,362 INFO L87 Difference]: Start difference. First operand 94 states and 118 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-23 02:35:02,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:35:02,532 INFO L93 Difference]: Finished difference Result 272 states and 341 transitions. [2021-11-23 02:35:02,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 02:35:02,533 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 37 [2021-11-23 02:35:02,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:35:02,535 INFO L225 Difference]: With dead ends: 272 [2021-11-23 02:35:02,536 INFO L226 Difference]: Without dead ends: 180 [2021-11-23 02:35:02,536 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-23 02:35:02,538 INFO L933 BasicCegarLoop]: 91 mSDtfsCounter, 126 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:35:02,539 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [127 Valid, 197 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 02:35:02,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2021-11-23 02:35:02,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 174. [2021-11-23 02:35:02,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 111 states have (on average 1.2342342342342343) internal successors, (137), 123 states have internal predecessors, (137), 33 states have call successors, (33), 28 states have call predecessors, (33), 29 states have return successors, (45), 30 states have call predecessors, (45), 33 states have call successors, (45) [2021-11-23 02:35:02,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 215 transitions. [2021-11-23 02:35:02,565 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 215 transitions. Word has length 37 [2021-11-23 02:35:02,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:35:02,566 INFO L470 AbstractCegarLoop]: Abstraction has 174 states and 215 transitions. [2021-11-23 02:35:02,566 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 4 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-23 02:35:02,566 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 215 transitions. [2021-11-23 02:35:02,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 02:35:02,568 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:35:02,568 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:35:02,569 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 02:35:02,569 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:35:02,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:35:02,570 INFO L85 PathProgramCache]: Analyzing trace with hash -637786689, now seen corresponding path program 1 times [2021-11-23 02:35:02,570 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:35:02,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529374767] [2021-11-23 02:35:02,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:35:02,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:35:02,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:35:02,723 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 02:35:02,723 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:35:02,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529374767] [2021-11-23 02:35:02,725 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529374767] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:35:02,725 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:35:02,726 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-23 02:35:02,729 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418879899] [2021-11-23 02:35:02,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:35:02,732 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-23 02:35:02,733 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:35:02,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-23 02:35:02,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-23 02:35:02,734 INFO L87 Difference]: Start difference. First operand 174 states and 215 transitions. Second operand has 8 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 5 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-23 02:35:03,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:35:03,332 INFO L93 Difference]: Finished difference Result 418 states and 534 transitions. [2021-11-23 02:35:03,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-23 02:35:03,337 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 5 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Word has length 40 [2021-11-23 02:35:03,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:35:03,344 INFO L225 Difference]: With dead ends: 418 [2021-11-23 02:35:03,344 INFO L226 Difference]: Without dead ends: 299 [2021-11-23 02:35:03,346 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-11-23 02:35:03,352 INFO L933 BasicCegarLoop]: 86 mSDtfsCounter, 226 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-23 02:35:03,353 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [234 Valid, 257 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-23 02:35:03,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2021-11-23 02:35:03,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 258. [2021-11-23 02:35:03,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 169 states have (on average 1.242603550295858) internal successors, (210), 186 states have internal predecessors, (210), 46 states have call successors, (46), 35 states have call predecessors, (46), 42 states have return successors, (65), 47 states have call predecessors, (65), 46 states have call successors, (65) [2021-11-23 02:35:03,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 321 transitions. [2021-11-23 02:35:03,416 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 321 transitions. Word has length 40 [2021-11-23 02:35:03,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:35:03,417 INFO L470 AbstractCegarLoop]: Abstraction has 258 states and 321 transitions. [2021-11-23 02:35:03,417 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.0) internal successors, (28), 7 states have internal predecessors, (28), 5 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-23 02:35:03,417 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 321 transitions. [2021-11-23 02:35:03,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 02:35:03,422 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:35:03,423 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:35:03,423 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 02:35:03,423 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:35:03,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:35:03,424 INFO L85 PathProgramCache]: Analyzing trace with hash 1585403647, now seen corresponding path program 1 times [2021-11-23 02:35:03,424 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:35:03,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061646613] [2021-11-23 02:35:03,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:35:03,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:35:03,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:35:03,532 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 02:35:03,533 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:35:03,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061646613] [2021-11-23 02:35:03,533 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061646613] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:35:03,533 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:35:03,533 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 02:35:03,534 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125438424] [2021-11-23 02:35:03,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:35:03,534 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 02:35:03,534 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:35:03,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 02:35:03,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:35:03,535 INFO L87 Difference]: Start difference. First operand 258 states and 321 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 3 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2021-11-23 02:35:03,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:35:03,599 INFO L93 Difference]: Finished difference Result 514 states and 646 transitions. [2021-11-23 02:35:03,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 02:35:03,600 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 3 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 57 [2021-11-23 02:35:03,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:35:03,603 INFO L225 Difference]: With dead ends: 514 [2021-11-23 02:35:03,603 INFO L226 Difference]: Without dead ends: 258 [2021-11-23 02:35:03,604 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:35:03,605 INFO L933 BasicCegarLoop]: 54 mSDtfsCounter, 54 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:35:03,606 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [55 Valid, 107 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 02:35:03,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2021-11-23 02:35:03,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 258. [2021-11-23 02:35:03,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 169 states have (on average 1.21301775147929) internal successors, (205), 186 states have internal predecessors, (205), 46 states have call successors, (46), 35 states have call predecessors, (46), 42 states have return successors, (65), 47 states have call predecessors, (65), 46 states have call successors, (65) [2021-11-23 02:35:03,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 316 transitions. [2021-11-23 02:35:03,635 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 316 transitions. Word has length 57 [2021-11-23 02:35:03,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:35:03,636 INFO L470 AbstractCegarLoop]: Abstraction has 258 states and 316 transitions. [2021-11-23 02:35:03,636 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 3 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2021-11-23 02:35:03,636 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 316 transitions. [2021-11-23 02:35:03,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-23 02:35:03,639 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:35:03,639 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:35:03,639 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-23 02:35:03,639 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:35:03,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:35:03,640 INFO L85 PathProgramCache]: Analyzing trace with hash -157201588, now seen corresponding path program 1 times [2021-11-23 02:35:03,640 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:35:03,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146980290] [2021-11-23 02:35:03,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:35:03,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:35:03,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:35:03,692 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 02:35:03,693 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:35:03,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146980290] [2021-11-23 02:35:03,693 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146980290] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 02:35:03,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [880694013] [2021-11-23 02:35:03,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:35:03,694 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:35:03,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645a52d0-e59c-4c9c-bef1-0b123204aeac/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:35:03,699 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645a52d0-e59c-4c9c-bef1-0b123204aeac/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:35:03,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645a52d0-e59c-4c9c-bef1-0b123204aeac/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 02:35:03,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:35:03,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 02:35:03,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:35:03,988 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:35:03,988 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 02:35:03,988 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [880694013] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:35:03,989 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-23 02:35:03,989 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2021-11-23 02:35:03,989 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441926566] [2021-11-23 02:35:03,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:35:03,990 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:35:03,990 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:35:03,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:35:03,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:35:03,991 INFO L87 Difference]: Start difference. First operand 258 states and 316 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2021-11-23 02:35:04,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:35:04,056 INFO L93 Difference]: Finished difference Result 385 states and 480 transitions. [2021-11-23 02:35:04,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:35:04,057 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 70 [2021-11-23 02:35:04,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:35:04,059 INFO L225 Difference]: With dead ends: 385 [2021-11-23 02:35:04,059 INFO L226 Difference]: Without dead ends: 248 [2021-11-23 02:35:04,060 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 02:35:04,061 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 35 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:35:04,061 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 119 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 02:35:04,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2021-11-23 02:35:04,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 248. [2021-11-23 02:35:04,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 162 states have (on average 1.1790123456790123) internal successors, (191), 178 states have internal predecessors, (191), 44 states have call successors, (44), 35 states have call predecessors, (44), 41 states have return successors, (55), 45 states have call predecessors, (55), 44 states have call successors, (55) [2021-11-23 02:35:04,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 290 transitions. [2021-11-23 02:35:04,101 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 290 transitions. Word has length 70 [2021-11-23 02:35:04,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:35:04,101 INFO L470 AbstractCegarLoop]: Abstraction has 248 states and 290 transitions. [2021-11-23 02:35:04,102 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2021-11-23 02:35:04,102 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 290 transitions. [2021-11-23 02:35:04,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-23 02:35:04,103 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:35:04,104 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:35:04,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645a52d0-e59c-4c9c-bef1-0b123204aeac/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 02:35:04,322 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645a52d0-e59c-4c9c-bef1-0b123204aeac/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:35:04,322 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:35:04,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:35:04,323 INFO L85 PathProgramCache]: Analyzing trace with hash -1304573635, now seen corresponding path program 1 times [2021-11-23 02:35:04,323 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:35:04,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587698990] [2021-11-23 02:35:04,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:35:04,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:35:04,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:35:04,422 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 02:35:04,423 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:35:04,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587698990] [2021-11-23 02:35:04,423 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587698990] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 02:35:04,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [889531129] [2021-11-23 02:35:04,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:35:04,423 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:35:04,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645a52d0-e59c-4c9c-bef1-0b123204aeac/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:35:04,432 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645a52d0-e59c-4c9c-bef1-0b123204aeac/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:35:04,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645a52d0-e59c-4c9c-bef1-0b123204aeac/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 02:35:04,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:35:04,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 02:35:04,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:35:04,733 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 20 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:35:04,734 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:35:04,999 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 13 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 02:35:04,999 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [889531129] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 02:35:04,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1729547320] [2021-11-23 02:35:05,022 INFO L159 IcfgInterpreter]: Started Sifa with 48 locations of interest [2021-11-23 02:35:05,022 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 02:35:05,031 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 02:35:05,037 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 02:35:05,037 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 02:35:13,926 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 306 for LOIs [2021-11-23 02:35:14,004 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 29 for LOIs [2021-11-23 02:35:14,414 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__lowWaterSensor with input of size 65 for LOIs [2021-11-23 02:35:14,943 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 57 for LOIs [2021-11-23 02:35:15,038 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 53 for LOIs [2021-11-23 02:35:15,052 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 39 for LOIs [2021-11-23 02:35:15,060 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-23 02:35:26,636 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '5935#(and (= |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| |timeShift_getWaterLevel_#res#1|) (not (= |timeShift___utac_acc__Specification5_spec__3_~tmp___0~0#1| 0)) (= ~pumpRunning~0 |timeShift___utac_acc__Specification5_spec__3_~tmp___0~0#1|) (= |timeShift_getWaterLevel_~retValue_acc~1#1| ~waterLevel~0) (<= 0 (+ 2147483648 |old(~pumpRunning~0)|)) (= ~head~0.offset 0) (<= |old(~pumpRunning~0)| 2147483647) (= 1 ~systemActive~0) (= |timeShift_getWaterLevel_~retValue_acc~1#1| |timeShift_getWaterLevel_#res#1|) (<= ~methaneLevelCritical~0 0) (<= 0 ~head~0.base) (<= 0 ~methaneLevelCritical~0) (<= 0 (+ |timeShift___utac_acc__Specification5_spec__3_~tmp___0~0#1| 2147483648)) (<= |timeShift___utac_acc__Specification5_spec__3_~tmp___0~0#1| 2147483647) (<= ~head~0.base 0) (= |#NULL.offset| 0) (not (= |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| 2)) (= ~switchedOnBeforeTS~0 0) (<= 0 |#StackHeapBarrier|) (<= |timeShift_getWaterLevel_~retValue_acc~1#1| 2147483647) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0) (<= 0 (+ |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| 2147483648)))' at error location [2021-11-23 02:35:26,637 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-23 02:35:26,637 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 02:35:26,637 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2021-11-23 02:35:26,637 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849432320] [2021-11-23 02:35:26,637 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 02:35:26,638 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-23 02:35:26,638 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:35:26,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-23 02:35:26,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=217, Invalid=1763, Unknown=0, NotChecked=0, Total=1980 [2021-11-23 02:35:26,640 INFO L87 Difference]: Start difference. First operand 248 states and 290 transitions. Second operand has 11 states, 8 states have (on average 9.625) internal successors, (77), 9 states have internal predecessors, (77), 4 states have call successors, (18), 3 states have call predecessors, (18), 6 states have return successors, (21), 6 states have call predecessors, (21), 4 states have call successors, (21) [2021-11-23 02:35:27,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:35:27,378 INFO L93 Difference]: Finished difference Result 354 states and 416 transitions. [2021-11-23 02:35:27,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-23 02:35:27,379 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 9.625) internal successors, (77), 9 states have internal predecessors, (77), 4 states have call successors, (18), 3 states have call predecessors, (18), 6 states have return successors, (21), 6 states have call predecessors, (21), 4 states have call successors, (21) Word has length 74 [2021-11-23 02:35:27,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:35:27,382 INFO L225 Difference]: With dead ends: 354 [2021-11-23 02:35:27,382 INFO L226 Difference]: Without dead ends: 352 [2021-11-23 02:35:27,384 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 174 SyntacticMatches, 12 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1249 ImplicationChecksByTransitivity, 12.0s TimeCoverageRelationStatistics Valid=321, Invalid=3101, Unknown=0, NotChecked=0, Total=3422 [2021-11-23 02:35:27,385 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 174 mSDsluCounter, 611 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 604 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-23 02:35:27,385 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [180 Valid, 604 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-23 02:35:27,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2021-11-23 02:35:27,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 308. [2021-11-23 02:35:27,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 199 states have (on average 1.170854271356784) internal successors, (233), 221 states have internal predecessors, (233), 56 states have call successors, (56), 46 states have call predecessors, (56), 52 states have return successors, (71), 55 states have call predecessors, (71), 56 states have call successors, (71) [2021-11-23 02:35:27,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 360 transitions. [2021-11-23 02:35:27,424 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 360 transitions. Word has length 74 [2021-11-23 02:35:27,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:35:27,425 INFO L470 AbstractCegarLoop]: Abstraction has 308 states and 360 transitions. [2021-11-23 02:35:27,426 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 9.625) internal successors, (77), 9 states have internal predecessors, (77), 4 states have call successors, (18), 3 states have call predecessors, (18), 6 states have return successors, (21), 6 states have call predecessors, (21), 4 states have call successors, (21) [2021-11-23 02:35:27,426 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 360 transitions. [2021-11-23 02:35:27,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-23 02:35:27,430 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:35:27,430 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:35:27,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645a52d0-e59c-4c9c-bef1-0b123204aeac/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-23 02:35:27,654 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645a52d0-e59c-4c9c-bef1-0b123204aeac/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:35:27,654 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:35:27,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:35:27,655 INFO L85 PathProgramCache]: Analyzing trace with hash 167762817, now seen corresponding path program 1 times [2021-11-23 02:35:27,655 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:35:27,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017028390] [2021-11-23 02:35:27,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:35:27,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:35:27,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:35:27,710 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-23 02:35:27,714 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:35:27,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017028390] [2021-11-23 02:35:27,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017028390] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:35:27,714 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:35:27,714 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 02:35:27,715 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126899080] [2021-11-23 02:35:27,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:35:27,715 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 02:35:27,715 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:35:27,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 02:35:27,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:35:27,716 INFO L87 Difference]: Start difference. First operand 308 states and 360 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 4 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2021-11-23 02:35:27,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:35:27,894 INFO L93 Difference]: Finished difference Result 741 states and 876 transitions. [2021-11-23 02:35:27,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 02:35:27,895 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 4 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 93 [2021-11-23 02:35:27,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:35:27,901 INFO L225 Difference]: With dead ends: 741 [2021-11-23 02:35:27,901 INFO L226 Difference]: Without dead ends: 557 [2021-11-23 02:35:27,902 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-23 02:35:27,906 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 125 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:35:27,906 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 221 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 02:35:27,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2021-11-23 02:35:27,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 546. [2021-11-23 02:35:27,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 355 states have (on average 1.1549295774647887) internal successors, (410), 389 states have internal predecessors, (410), 97 states have call successors, (97), 83 states have call predecessors, (97), 93 states have return successors, (121), 98 states have call predecessors, (121), 97 states have call successors, (121) [2021-11-23 02:35:27,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 628 transitions. [2021-11-23 02:35:27,961 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 628 transitions. Word has length 93 [2021-11-23 02:35:27,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:35:27,961 INFO L470 AbstractCegarLoop]: Abstraction has 546 states and 628 transitions. [2021-11-23 02:35:27,962 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 4 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2021-11-23 02:35:27,962 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 628 transitions. [2021-11-23 02:35:27,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-23 02:35:27,967 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:35:27,968 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:35:27,968 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-23 02:35:27,968 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:35:27,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:35:27,969 INFO L85 PathProgramCache]: Analyzing trace with hash 1773303535, now seen corresponding path program 1 times [2021-11-23 02:35:27,969 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:35:27,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419946504] [2021-11-23 02:35:27,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:35:27,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:35:28,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:35:28,108 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 33 proven. 3 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-23 02:35:28,109 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:35:28,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419946504] [2021-11-23 02:35:28,109 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419946504] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 02:35:28,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1976420502] [2021-11-23 02:35:28,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:35:28,109 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:35:28,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645a52d0-e59c-4c9c-bef1-0b123204aeac/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:35:28,114 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645a52d0-e59c-4c9c-bef1-0b123204aeac/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:35:28,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645a52d0-e59c-4c9c-bef1-0b123204aeac/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 02:35:28,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:35:28,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 02:35:28,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:35:28,551 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 63 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 02:35:28,551 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:35:28,955 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 02:35:28,956 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1976420502] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 02:35:28,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1064214147] [2021-11-23 02:35:28,965 INFO L159 IcfgInterpreter]: Started Sifa with 48 locations of interest [2021-11-23 02:35:28,965 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 02:35:28,966 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 02:35:28,967 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 02:35:28,967 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 02:35:36,424 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 310 for LOIs [2021-11-23 02:35:36,503 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 48 for LOIs [2021-11-23 02:35:37,364 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__lowWaterSensor with input of size 42 for LOIs [2021-11-23 02:35:37,426 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 27 for LOIs [2021-11-23 02:35:37,457 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 23 for LOIs [2021-11-23 02:35:37,460 INFO L197 IcfgInterpreter]: Interpreting procedure changeMethaneLevel with input of size 50 for LOIs [2021-11-23 02:35:37,473 INFO L197 IcfgInterpreter]: Interpreting procedure deactivatePump with input of size 46 for LOIs [2021-11-23 02:35:37,478 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-23 02:35:48,968 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '9645#(and (= |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| |timeShift_getWaterLevel_#res#1|) (not (= |timeShift___utac_acc__Specification5_spec__3_~tmp___0~0#1| 0)) (<= ~methaneLevelCritical~0 1) (<= 0 |old(~pumpRunning~0)|) (<= |timeShift___utac_acc__Specification5_spec__3_~tmp___0~0#1| 1) (= ~pumpRunning~0 |timeShift___utac_acc__Specification5_spec__3_~tmp___0~0#1|) (= |timeShift_getWaterLevel_~retValue_acc~1#1| ~waterLevel~0) (= ~head~0.offset 0) (<= |old(~pumpRunning~0)| 2147483647) (= 1 ~systemActive~0) (= |timeShift_getWaterLevel_~retValue_acc~1#1| |timeShift_getWaterLevel_#res#1|) (<= 0 ~methaneLevelCritical~0) (<= 0 ~pumpRunning~0) (= ~head~0.base 0) (= |#NULL.offset| 0) (not (= |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| 2)) (= ~switchedOnBeforeTS~0 0) (<= 0 |#StackHeapBarrier|) (<= |timeShift_getWaterLevel_~retValue_acc~1#1| 2147483647) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0) (<= 0 (+ |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| 2147483648)))' at error location [2021-11-23 02:35:48,968 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-23 02:35:48,968 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 02:35:48,968 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9, 9] total 20 [2021-11-23 02:35:48,968 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41696422] [2021-11-23 02:35:48,969 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 02:35:48,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-23 02:35:48,969 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:35:48,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-23 02:35:48,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=299, Invalid=2671, Unknown=0, NotChecked=0, Total=2970 [2021-11-23 02:35:48,971 INFO L87 Difference]: Start difference. First operand 546 states and 628 transitions. Second operand has 20 states, 20 states have (on average 5.5) internal successors, (110), 20 states have internal predecessors, (110), 9 states have call successors, (24), 5 states have call predecessors, (24), 8 states have return successors, (25), 10 states have call predecessors, (25), 9 states have call successors, (25) [2021-11-23 02:35:50,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:35:50,617 INFO L93 Difference]: Finished difference Result 1596 states and 1997 transitions. [2021-11-23 02:35:50,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-23 02:35:50,617 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 5.5) internal successors, (110), 20 states have internal predecessors, (110), 9 states have call successors, (24), 5 states have call predecessors, (24), 8 states have return successors, (25), 10 states have call predecessors, (25), 9 states have call successors, (25) Word has length 96 [2021-11-23 02:35:50,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:35:50,627 INFO L225 Difference]: With dead ends: 1596 [2021-11-23 02:35:50,627 INFO L226 Difference]: Without dead ends: 1060 [2021-11-23 02:35:50,632 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 247 SyntacticMatches, 6 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2345 ImplicationChecksByTransitivity, 12.4s TimeCoverageRelationStatistics Valid=671, Invalid=5971, Unknown=0, NotChecked=0, Total=6642 [2021-11-23 02:35:50,634 INFO L933 BasicCegarLoop]: 86 mSDtfsCounter, 476 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 1061 mSolverCounterSat, 371 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 479 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 1432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 371 IncrementalHoareTripleChecker+Valid, 1061 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-23 02:35:50,635 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [479 Valid, 423 Invalid, 1432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [371 Valid, 1061 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-23 02:35:50,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1060 states. [2021-11-23 02:35:50,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1060 to 652. [2021-11-23 02:35:50,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 652 states, 425 states have (on average 1.1247058823529412) internal successors, (478), 460 states have internal predecessors, (478), 107 states have call successors, (107), 101 states have call predecessors, (107), 119 states have return successors, (142), 119 states have call predecessors, (142), 107 states have call successors, (142) [2021-11-23 02:35:50,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 727 transitions. [2021-11-23 02:35:50,728 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 727 transitions. Word has length 96 [2021-11-23 02:35:50,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:35:50,729 INFO L470 AbstractCegarLoop]: Abstraction has 652 states and 727 transitions. [2021-11-23 02:35:50,730 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 5.5) internal successors, (110), 20 states have internal predecessors, (110), 9 states have call successors, (24), 5 states have call predecessors, (24), 8 states have return successors, (25), 10 states have call predecessors, (25), 9 states have call successors, (25) [2021-11-23 02:35:50,730 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 727 transitions. [2021-11-23 02:35:50,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-23 02:35:50,733 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:35:50,733 INFO L514 BasicCegarLoop]: trace histogram [5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:35:50,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645a52d0-e59c-4c9c-bef1-0b123204aeac/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-23 02:35:50,954 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645a52d0-e59c-4c9c-bef1-0b123204aeac/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-23 02:35:50,954 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 02:35:50,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:35:50,954 INFO L85 PathProgramCache]: Analyzing trace with hash 333350692, now seen corresponding path program 1 times [2021-11-23 02:35:50,954 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:35:50,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353200126] [2021-11-23 02:35:50,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:35:50,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:35:50,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:35:51,333 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 9 proven. 44 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 02:35:51,333 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:35:51,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353200126] [2021-11-23 02:35:51,334 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353200126] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 02:35:51,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1347463931] [2021-11-23 02:35:51,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:35:51,334 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:35:51,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645a52d0-e59c-4c9c-bef1-0b123204aeac/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:35:51,336 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645a52d0-e59c-4c9c-bef1-0b123204aeac/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 02:35:51,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645a52d0-e59c-4c9c-bef1-0b123204aeac/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-23 02:35:51,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:35:51,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-23 02:35:51,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 02:35:51,864 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 60 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 02:35:51,864 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-23 02:35:52,510 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 51 proven. 5 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-23 02:35:52,510 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1347463931] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-23 02:35:52,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [361609909] [2021-11-23 02:35:52,514 INFO L159 IcfgInterpreter]: Started Sifa with 48 locations of interest [2021-11-23 02:35:52,514 INFO L166 IcfgInterpreter]: Building call graph [2021-11-23 02:35:52,515 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-23 02:35:52,515 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-23 02:35:52,515 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-23 02:35:57,480 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 54 for LOIs [2021-11-23 02:35:57,489 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 48 for LOIs [2021-11-23 02:35:58,303 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__lowWaterSensor with input of size 42 for LOIs [2021-11-23 02:35:58,364 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 30 for LOIs [2021-11-23 02:35:58,402 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 23 for LOIs [2021-11-23 02:35:58,404 INFO L197 IcfgInterpreter]: Interpreting procedure changeMethaneLevel with input of size 50 for LOIs [2021-11-23 02:35:58,413 INFO L197 IcfgInterpreter]: Interpreting procedure deactivatePump with input of size 54 for LOIs [2021-11-23 02:35:58,421 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-23 02:36:05,069 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '13892#(and (= |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| |timeShift_getWaterLevel_#res#1|) (not (= |timeShift___utac_acc__Specification5_spec__3_~tmp___0~0#1| 0)) (<= ~methaneLevelCritical~0 1) (<= 0 |old(~pumpRunning~0)|) (<= |timeShift___utac_acc__Specification5_spec__3_~tmp___0~0#1| 1) (= ~pumpRunning~0 |timeShift___utac_acc__Specification5_spec__3_~tmp___0~0#1|) (= |timeShift_getWaterLevel_~retValue_acc~1#1| ~waterLevel~0) (= ~head~0.offset 0) (<= |old(~pumpRunning~0)| 2147483647) (= 1 ~systemActive~0) (= |timeShift_getWaterLevel_~retValue_acc~1#1| |timeShift_getWaterLevel_#res#1|) (<= 0 ~methaneLevelCritical~0) (<= 0 ~pumpRunning~0) (= ~head~0.base 0) (= |#NULL.offset| 0) (not (= |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| 2)) (= ~switchedOnBeforeTS~0 0) (<= 0 |#StackHeapBarrier|) (<= |timeShift_getWaterLevel_~retValue_acc~1#1| 2147483647) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0) (<= 0 (+ |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| 2147483648)))' at error location [2021-11-23 02:36:05,069 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-23 02:36:05,069 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-23 02:36:05,069 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 11, 11] total 34 [2021-11-23 02:36:05,069 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927630785] [2021-11-23 02:36:05,070 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-23 02:36:05,070 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2021-11-23 02:36:05,070 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:36:05,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-11-23 02:36:05,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=431, Invalid=4261, Unknown=0, NotChecked=0, Total=4692 [2021-11-23 02:36:05,073 INFO L87 Difference]: Start difference. First operand 652 states and 727 transitions. Second operand has 34 states, 32 states have (on average 4.71875) internal successors, (151), 33 states have internal predecessors, (151), 18 states have call successors, (33), 8 states have call predecessors, (33), 13 states have return successors, (33), 18 states have call predecessors, (33), 17 states have call successors, (33) [2021-11-23 02:36:08,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:36:08,512 INFO L93 Difference]: Finished difference Result 1597 states and 1853 transitions. [2021-11-23 02:36:08,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-11-23 02:36:08,513 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 32 states have (on average 4.71875) internal successors, (151), 33 states have internal predecessors, (151), 18 states have call successors, (33), 8 states have call predecessors, (33), 13 states have return successors, (33), 18 states have call predecessors, (33), 17 states have call successors, (33) Word has length 101 [2021-11-23 02:36:08,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:36:08,514 INFO L225 Difference]: With dead ends: 1597 [2021-11-23 02:36:08,514 INFO L226 Difference]: Without dead ends: 0 [2021-11-23 02:36:08,523 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 387 GetRequests, 266 SyntacticMatches, 13 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4710 ImplicationChecksByTransitivity, 8.8s TimeCoverageRelationStatistics Valid=1298, Invalid=10692, Unknown=0, NotChecked=0, Total=11990 [2021-11-23 02:36:08,524 INFO L933 BasicCegarLoop]: 153 mSDtfsCounter, 1795 mSDsluCounter, 1003 mSDsCounter, 0 mSdLazyCounter, 2075 mSolverCounterSat, 1373 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1798 SdHoareTripleChecker+Valid, 956 SdHoareTripleChecker+Invalid, 3448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1373 IncrementalHoareTripleChecker+Valid, 2075 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-23 02:36:08,524 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1798 Valid, 956 Invalid, 3448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1373 Valid, 2075 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-23 02:36:08,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-23 02:36:08,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-23 02:36:08,525 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) [2021-11-23 02:36:08,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-23 02:36:08,526 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 101 [2021-11-23 02:36:08,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:36:08,526 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 02:36:08,527 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 32 states have (on average 4.71875) internal successors, (151), 33 states have internal predecessors, (151), 18 states have call successors, (33), 8 states have call predecessors, (33), 13 states have return successors, (33), 18 states have call predecessors, (33), 17 states have call successors, (33) [2021-11-23 02:36:08,527 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-23 02:36:08,527 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 02:36:08,530 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-23 02:36:08,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645a52d0-e59c-4c9c-bef1-0b123204aeac/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-23 02:36:08,745 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645a52d0-e59c-4c9c-bef1-0b123204aeac/bin/utaipan-EQgc7hIp5V/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 02:36:08,748 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-23 02:36:23,914 INFO L854 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 450 457) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse2 (not (<= 1 ~switchedOnBeforeTS~0))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3) (or (not (<= ~waterLevel~0 0)) .cse0 .cse1 .cse2 .cse3))) [2021-11-23 02:36:23,914 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 450 457) no Hoare annotation was computed. [2021-11-23 02:36:23,914 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 357 363) no Hoare annotation was computed. [2021-11-23 02:36:23,914 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 357 363) the Hoare annotation is: true [2021-11-23 02:36:23,915 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 135 146) the Hoare annotation is: (let ((.cse7 (= ~methaneLevelCritical~0 0)) (.cse1 (= |old(~methaneLevelCritical~0)| 0))) (let ((.cse8 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse9 (not (< ~waterLevel~0 3))) (.cse10 (not (<= ~waterLevel~0 1))) (.cse11 (not (<= 1 ~switchedOnBeforeTS~0))) (.cse6 (not .cse1)) (.cse0 (not (= ~pumpRunning~0 0))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (not .cse7)) (.cse12 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= ~waterLevel~0 2))) (.cse5 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse7 .cse8 .cse5 .cse9) (or .cse6 .cse0 .cse7 .cse10 .cse5 .cse11) (or .cse0 .cse1 .cse3 .cse8 .cse5 .cse9) (or (not (= ~waterLevel~0 1)) .cse6 .cse0 .cse7 .cse5) (or .cse6 .cse7 .cse12 .cse5 .cse9) (or .cse0 .cse1 .cse3 .cse10 .cse5 .cse11) (or .cse6 .cse0 .cse7 .cse2 .cse4 .cse5) (or .cse1 .cse2 .cse3 .cse12 .cse4 .cse5)))) [2021-11-23 02:36:23,915 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 135 146) no Hoare annotation was computed. [2021-11-23 02:36:23,915 INFO L858 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2021-11-23 02:36:23,915 INFO L854 garLoopResultBuilder]: At program point L436(line 436) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0)) (.cse7 (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (let ((.cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse3 (not (< |old(~waterLevel~0)| 3))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (not (<= |old(~waterLevel~0)| 2))) (.cse10 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (and .cse6 (= |old(~waterLevel~0)| ~waterLevel~0) .cse7)) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (= ~methaneLevelCritical~0 0) .cse4 .cse1 .cse3) (or .cse5 (not (= |old(~waterLevel~0)| 1)) .cse1 (and .cse6 (= ~waterLevel~0 1) .cse7)) (or .cse5 .cse8 .cse1 .cse9 .cse10) (or .cse0 .cse5 .cse8 .cse1 .cse3) (or .cse4 .cse1 .cse9 .cse10) (or (not (<= |old(~waterLevel~0)| 1)) .cse5 .cse8 .cse1 .cse2)))) [2021-11-23 02:36:23,916 INFO L854 garLoopResultBuilder]: At program point L436-1(lines 417 441) the Hoare annotation is: (let ((.cse5 (= 0 ~systemActive~0)) (.cse7 (= ~methaneLevelCritical~0 0))) (let ((.cse12 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (not .cse7)) (.cse25 (<= 1 ~pumpRunning~0)) (.cse26 (<= 2 ~waterLevel~0)) (.cse24 (= |old(~pumpRunning~0)| 0)) (.cse27 (not .cse5)) (.cse10 (= ~pumpRunning~0 0)) (.cse22 (= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse23 (< 0 |old(~waterLevel~0)|)) (.cse19 (<= |old(~waterLevel~0)| 0)) (.cse18 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse14 (<= 1 ~switchedOnBeforeTS~0)) (.cse15 (= |timeShift_processEnvironment_~tmp~4#1| ~methaneLevelCritical~0))) (let ((.cse11 (= ~waterLevel~0 1)) (.cse13 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (< |old(~waterLevel~0)| 3))) (.cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse9 (not (= |old(~waterLevel~0)| 1))) (.cse21 (and .cse10 (or (and .cse22 .cse23) (and .cse19 .cse18)) .cse14 .cse15)) (.cse2 (and .cse25 .cse7 .cse26 .cse24 .cse18 .cse27)) (.cse16 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (and .cse25 .cse26 .cse24 .cse4 .cse18 .cse27)) (.cse17 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not .cse24)) (.cse3 (and .cse10 .cse18 .cse12)) (.cse20 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse0 .cse1 .cse7 .cse3 .cse5 .cse8 .cse6) (or .cse1 .cse9 .cse5 (and .cse10 .cse11 .cse12)) (or .cse13 (and .cse10 .cse11 .cse14 .cse15) .cse5 .cse16 (and .cse11 .cse14 .cse12 .cse15) .cse17) (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse18 .cse12 .cse15) (and .cse10 .cse18 .cse14 .cse15) .cse5 (not .cse19) .cse20) (or .cse7 .cse13 .cse5 .cse21 .cse6) (or .cse0 .cse9 (and .cse22 .cse23 .cse14 .cse12 .cse15) .cse5 .cse21 .cse20) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse16 .cse17) (or .cse1 .cse7 .cse3 .cse5 .cse16 .cse8 .cse17) (or (not (<= |old(~waterLevel~0)| 1)) .cse1 .cse3 .cse5 .cse20))))) [2021-11-23 02:36:23,916 INFO L858 garLoopResultBuilder]: For program point L337-2(lines 333 355) no Hoare annotation was computed. [2021-11-23 02:36:23,916 INFO L854 garLoopResultBuilder]: At program point L82(line 82) the Hoare annotation is: (let ((.cse4 (= 0 ~systemActive~0)) (.cse15 (= ~methaneLevelCritical~0 0))) (let ((.cse18 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not .cse15)) (.cse10 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse23 (not .cse4)) (.cse13 (= ~pumpRunning~0 0)) (.cse7 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| ~waterLevel~0)) (.cse21 (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) (< 0 |old(~waterLevel~0)|))) (.cse19 (<= |old(~waterLevel~0)| 0)) (.cse22 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (<= 1 ~switchedOnBeforeTS~0)) (.cse11 (= |timeShift_processEnvironment_~tmp~4#1| ~methaneLevelCritical~0))) (let ((.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse17 (and .cse13 .cse7 (or .cse21 (and .cse19 .cse22)) .cse9 .cse11)) (.cse8 (= ~waterLevel~0 1)) (.cse16 (and .cse18 .cse13 .cse7 (<= ~waterLevel~0 1) .cse3 .cse22 .cse10 .cse23)) (.cse2 (and .cse18 .cse13 .cse7 .cse15 .cse22 .cse10 .cse23)) (.cse20 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse5 (not (< |old(~waterLevel~0)| 3))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse12 (not (<= |old(~waterLevel~0)| 2))) (.cse14 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 (and .cse7 .cse8 .cse9 .cse10 .cse11) .cse4 .cse12 (and .cse13 .cse7 .cse8 .cse9 .cse11) .cse14) (or .cse0 .cse1 .cse15 .cse16 .cse4 .cse5) (or .cse15 .cse6 .cse4 .cse17 .cse5) (or .cse0 .cse18 .cse13 .cse4 (not .cse19) .cse20) (or .cse0 (not (<= |old(~waterLevel~0)| 1)) (and .cse7 (<= ~waterLevel~0 0) (or .cse21 .cse22) .cse9 .cse10 .cse11) .cse4 .cse17 .cse20) (or .cse1 (not (= |old(~waterLevel~0)| 1)) .cse4 (and .cse13 .cse7 .cse8 .cse10)) (or .cse1 .cse15 .cse16 .cse4 .cse20 .cse5) (or .cse1 .cse2 .cse3 .cse4 .cse20 .cse5) (or .cse1 .cse4 .cse12 .cse14))))) [2021-11-23 02:36:23,917 INFO L858 garLoopResultBuilder]: For program point L82-1(line 82) no Hoare annotation was computed. [2021-11-23 02:36:23,917 INFO L858 garLoopResultBuilder]: For program point L425(lines 425 433) no Hoare annotation was computed. [2021-11-23 02:36:23,917 INFO L854 garLoopResultBuilder]: At program point L421(lines 421 438) the Hoare annotation is: (let ((.cse12 (= ~pumpRunning~0 0)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse20 (<= |old(~waterLevel~0)| 0))) (let ((.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse13 (= ~waterLevel~0 1)) (.cse15 (not (<= |old(~waterLevel~0)| 2))) (.cse16 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (not .cse20)) (.cse11 (not (= |old(~pumpRunning~0)| 0))) (.cse14 (and .cse12 .cse2 .cse3)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse19 (= ~methaneLevelCritical~0 0)) (.cse18 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse9 (< 0 |old(~waterLevel~0)|)) (.cse10 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (= 0 ~systemActive~0)) (.cse17 (not (< |old(~waterLevel~0)| 3)))) (and (or .cse0 (and .cse1 .cse2 .cse3) .cse4 .cse5 .cse6) (or .cse0 .cse7 (and .cse8 .cse9 .cse10 .cse3) .cse4 .cse6) (or .cse11 .cse7 .cse4 (and .cse12 .cse13 .cse3)) (or .cse11 .cse14 .cse4 .cse15 .cse16) (or .cse0 .cse11 .cse14 .cse4 .cse17) (or .cse18 (and .cse13 .cse10 .cse3) .cse4 .cse15 .cse16) (or .cse1 .cse19 .cse18 .cse4 .cse5 .cse17) (or (not (<= |old(~waterLevel~0)| 1)) .cse11 .cse14 .cse4 .cse6) (or .cse19 .cse18 (and (or (and .cse8 .cse9) (and .cse20 .cse2)) .cse10 .cse3) .cse4 .cse17)))) [2021-11-23 02:36:23,917 INFO L854 garLoopResultBuilder]: At program point L67(line 67) the Hoare annotation is: (let ((.cse14 (= ~pumpRunning~0 0)) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse6 (= ~methaneLevelCritical~0 0)) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (and .cse7 .cse8)) (.cse5 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse9 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse13 (and .cse14 .cse8)) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse10 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse11 (not (< |old(~waterLevel~0)| 3))) (.cse12 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 (not .cse6) (and .cse7 .cse8 .cse9) .cse2 .cse10 .cse11) (or .cse6 .cse0 .cse1 .cse2 .cse11) (or (not (<= |old(~waterLevel~0)| 1)) .cse12 .cse13 .cse2 .cse10) (or .cse5 .cse12 (and .cse14 .cse8 .cse9) .cse2 .cse11) (or .cse12 .cse13 .cse2 .cse3 .cse4) (or .cse12 .cse2 (<= 1 ~switchedOnBeforeTS~0) .cse10 .cse11) (or .cse12 (not (= |old(~waterLevel~0)| 1)) (and .cse14 (= ~waterLevel~0 1)) .cse2)))) [2021-11-23 02:36:23,917 INFO L854 garLoopResultBuilder]: At program point L67-1(line 67) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0))) (let ((.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= |timeShift___utac_acc__Specification5_spec__2_#t~ret4#1| ~pumpRunning~0)) (.cse14 (not .cse1)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse7 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse10 (and (or (and .cse2 (<= 1 ~switchedOnBeforeTS~0) .cse3 .cse14) (and .cse2 (= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse3 .cse14)) .cse5)) (.cse11 (not (< |old(~waterLevel~0)| 3))) (.cse9 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse12 (and .cse4 (<= 1 |timeShift___utac_acc__Specification5_spec__2_#t~ret4#1|) .cse5 .cse3 .cse14)) (.cse13 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (and .cse2 (= ~waterLevel~0 1) .cse3)) (or (and .cse4 .cse5 .cse3) .cse6 .cse1 .cse7 .cse8) (or .cse0 (and .cse2 .cse5 .cse3) .cse1 .cse7 .cse8) (or .cse9 .cse0 .cse10 .cse1 .cse11) (or (= ~methaneLevelCritical~0 0) .cse6 .cse12 .cse1 .cse11) (or .cse0 .cse10 .cse1 .cse13 .cse11) (or .cse9 (not (<= |old(~waterLevel~0)| 1)) .cse12 .cse1 .cse13))))) [2021-11-23 02:36:23,918 INFO L854 garLoopResultBuilder]: At program point L216(line 216) the Hoare annotation is: (let ((.cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse3 (not (< |old(~waterLevel~0)| 3))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or (= ~methaneLevelCritical~0 0) .cse4 .cse1 .cse3) (or .cse5 .cse1 .cse2 .cse3) (or .cse0 .cse5 .cse1 .cse3) (or .cse4 .cse1 .cse6 .cse7) (or .cse5 .cse1 .cse6 .cse7) (or .cse5 (not (= |old(~waterLevel~0)| 1)) .cse1))) [2021-11-23 02:36:23,918 INFO L854 garLoopResultBuilder]: At program point L344-1(lines 344 350) the Hoare annotation is: (let ((.cse5 (= 0 ~systemActive~0)) (.cse7 (= ~methaneLevelCritical~0 0))) (let ((.cse12 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (not .cse7)) (.cse25 (<= 1 ~pumpRunning~0)) (.cse26 (<= 2 ~waterLevel~0)) (.cse24 (= |old(~pumpRunning~0)| 0)) (.cse27 (not .cse5)) (.cse10 (= ~pumpRunning~0 0)) (.cse22 (= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse23 (< 0 |old(~waterLevel~0)|)) (.cse19 (<= |old(~waterLevel~0)| 0)) (.cse18 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse14 (<= 1 ~switchedOnBeforeTS~0)) (.cse15 (= |timeShift_processEnvironment_~tmp~4#1| ~methaneLevelCritical~0))) (let ((.cse11 (= ~waterLevel~0 1)) (.cse13 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (< |old(~waterLevel~0)| 3))) (.cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse9 (not (= |old(~waterLevel~0)| 1))) (.cse21 (and .cse10 (or (and .cse22 .cse23) (and .cse19 .cse18)) .cse14 .cse15)) (.cse2 (and .cse25 .cse7 .cse26 .cse24 .cse18 .cse27)) (.cse16 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (and .cse25 .cse26 .cse24 .cse4 .cse18 .cse27)) (.cse17 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not .cse24)) (.cse3 (and .cse10 .cse18 .cse12)) (.cse20 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse0 .cse1 .cse7 .cse3 .cse5 .cse8 .cse6) (or .cse1 .cse9 .cse5 (and .cse10 .cse11 .cse12)) (or .cse13 (and .cse10 .cse11 .cse14 .cse15) .cse5 .cse16 (and .cse11 .cse14 .cse12 .cse15) .cse17) (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse18 .cse12 .cse15) (and .cse10 .cse18 .cse14 .cse15) .cse5 (not .cse19) .cse20) (or .cse7 .cse13 .cse5 .cse21 .cse6) (or .cse0 .cse9 (and .cse22 .cse23 .cse14 .cse12 .cse15) .cse5 .cse21 .cse20) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse16 .cse17) (or .cse1 .cse7 .cse3 .cse5 .cse16 .cse8 .cse17) (or (not (<= |old(~waterLevel~0)| 1)) .cse1 .cse3 .cse5 .cse20))))) [2021-11-23 02:36:23,918 INFO L858 garLoopResultBuilder]: For program point L84(lines 84 94) no Hoare annotation was computed. [2021-11-23 02:36:23,918 INFO L858 garLoopResultBuilder]: For program point L80(lines 80 97) no Hoare annotation was computed. [2021-11-23 02:36:23,918 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 330 356) the Hoare annotation is: (let ((.cse14 (= ~pumpRunning~0 0)) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse6 (= ~methaneLevelCritical~0 0)) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (and .cse7 .cse8)) (.cse5 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse9 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse13 (and .cse14 .cse8)) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse10 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse11 (not (< |old(~waterLevel~0)| 3))) (.cse12 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 (not .cse6) (and .cse7 .cse8 .cse9) .cse2 .cse10 .cse11) (or .cse6 .cse0 .cse1 .cse2 .cse11) (or (not (<= |old(~waterLevel~0)| 1)) .cse12 .cse13 .cse2 .cse10) (or .cse5 .cse12 (and .cse14 .cse8 .cse9) .cse2 .cse11) (or .cse12 .cse13 .cse2 .cse3 .cse4) (or .cse12 .cse2 (<= 1 ~switchedOnBeforeTS~0) .cse10 .cse11) (or .cse12 (not (= |old(~waterLevel~0)| 1)) (and .cse14 (= ~waterLevel~0 1)) .cse2)))) [2021-11-23 02:36:23,919 INFO L854 garLoopResultBuilder]: At program point L431(line 431) the Hoare annotation is: (let ((.cse2 (not (< |old(~waterLevel~0)| 3))) (.cse5 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse4 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (<= 1 ~switchedOnBeforeTS~0)) (.cse7 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse8 (= |timeShift_processEnvironment_~tmp~4#1| ~methaneLevelCritical~0)) (.cse10 (not (<= 2 |old(~waterLevel~0)|))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0))) (and (or (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse4 .cse2) (or .cse5 .cse3 .cse1 .cse2) (or .cse5 (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 0) (or (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) (< 0 |old(~waterLevel~0)|)) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse6 .cse7 .cse8) .cse1 .cse4) (or .cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 (not (<= |old(~waterLevel~0)| 0)) .cse4) (or .cse3 .cse1 .cse9 .cse10) (or .cse0 .cse1 .cse9 (and (= ~waterLevel~0 1) .cse6 .cse7 .cse8) .cse10) (or .cse3 (not (= |old(~waterLevel~0)| 1)) .cse1))) [2021-11-23 02:36:23,919 INFO L854 garLoopResultBuilder]: At program point L80-1(lines 72 100) the Hoare annotation is: (let ((.cse4 (= 0 ~systemActive~0)) (.cse13 (= ~methaneLevelCritical~0 0))) (let ((.cse22 (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) (< 0 |old(~waterLevel~0)|))) (.cse21 (<= |old(~waterLevel~0)| 0)) (.cse17 (<= 1 ~switchedOnBeforeTS~0)) (.cse18 (= |timeShift_processEnvironment_~tmp~4#1| ~methaneLevelCritical~0)) (.cse2 (not .cse13)) (.cse20 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse9 (= ~pumpRunning~0 0)) (.cse6 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| ~waterLevel~0)) (.cse23 (<= ~waterLevel~0 1)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse10 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse24 (not .cse4))) (let ((.cse3 (and .cse20 .cse9 .cse6 .cse13 .cse23 .cse7 .cse10 .cse24)) (.cse8 (not (<= |old(~waterLevel~0)| 2))) (.cse11 (not (<= 2 |old(~waterLevel~0)|))) (.cse15 (not (<= 1 |old(~pumpRunning~0)|))) (.cse14 (and .cse20 .cse9 .cse6 .cse23 .cse2 .cse7 .cse10 .cse24)) (.cse12 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse19 (and .cse9 .cse6 (or .cse22 (and .cse21 .cse7)) .cse17 .cse18)) (.cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse16 (= ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 (and (<= 1 ~pumpRunning~0) .cse6 .cse7) .cse4 .cse8 (and .cse9 .cse6 .cse7 .cse10) .cse11) (or .cse12 .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse13 .cse14 .cse4 .cse5) (or .cse15 (and .cse6 .cse16 .cse17 .cse10 .cse18) .cse4 .cse8 (and .cse9 .cse6 .cse16 .cse17 .cse18) .cse11) (or .cse13 .cse15 .cse4 .cse19 (not (< |old(~waterLevel~0)| 3))) (or .cse12 .cse20 .cse9 .cse4 (not .cse21) .cse5) (or .cse12 .cse0 .cse1 .cse13 .cse14 .cse4) (or .cse12 .cse0 (and .cse6 (<= ~waterLevel~0 0) (or .cse22 .cse7) .cse17 .cse10 .cse18) .cse4 .cse19 .cse5) (or .cse1 (not (= |old(~waterLevel~0)| 1)) .cse4 (and .cse9 .cse6 .cse16 .cse10)))))) [2021-11-23 02:36:23,919 INFO L854 garLoopResultBuilder]: At program point L427(line 427) the Hoare annotation is: (let ((.cse5 (= ~methaneLevelCritical~0 0))) (let ((.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (<= |old(~waterLevel~0)| 0)) (.cse4 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse8 (not .cse5)) (.cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse3 (not (< |old(~waterLevel~0)| 3))) (.cse9 (not (<= |old(~waterLevel~0)| 2))) (.cse10 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse3) (or .cse5 .cse6 (and (or (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) (< 0 |old(~waterLevel~0)|)) (and .cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (<= 1 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= |timeShift_processEnvironment_~tmp~4#1| ~methaneLevelCritical~0)) .cse1 .cse3) (or .cse6 .cse8 .cse1 .cse9 .cse10) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse5 .cse6 .cse1 (not .cse7) .cse3) (or .cse4 .cse8 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse9 .cse10) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1)))) [2021-11-23 02:36:23,919 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 330 356) no Hoare annotation was computed. [2021-11-23 02:36:23,919 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 216) no Hoare annotation was computed. [2021-11-23 02:36:23,919 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 223 252) no Hoare annotation was computed. [2021-11-23 02:36:23,920 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 223 252) the Hoare annotation is: true [2021-11-23 02:36:23,920 INFO L861 garLoopResultBuilder]: At program point L248(lines 223 252) the Hoare annotation is: true [2021-11-23 02:36:23,920 INFO L858 garLoopResultBuilder]: For program point L244(line 244) no Hoare annotation was computed. [2021-11-23 02:36:23,920 INFO L858 garLoopResultBuilder]: For program point L237(lines 237 241) no Hoare annotation was computed. [2021-11-23 02:36:23,920 INFO L861 garLoopResultBuilder]: At program point L237-1(lines 237 241) the Hoare annotation is: true [2021-11-23 02:36:23,920 INFO L861 garLoopResultBuilder]: At program point L233-2(lines 233 247) the Hoare annotation is: true [2021-11-23 02:36:23,920 INFO L861 garLoopResultBuilder]: At program point L229(line 229) the Hoare annotation is: true [2021-11-23 02:36:23,920 INFO L858 garLoopResultBuilder]: For program point L229-1(line 229) no Hoare annotation was computed. [2021-11-23 02:36:23,921 INFO L854 garLoopResultBuilder]: At program point L609-2(lines 601 614) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse1 (<= 1 ~switchedOnBeforeTS~0)) (.cse2 (< ~waterLevel~0 3)) (.cse8 (<= 1 ~pumpRunning~0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse7 (<= ~waterLevel~0 2)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse2 .cse3 .cse4) (and .cse5 .cse0 (= ~waterLevel~0 1) .cse4) (and .cse5 .cse6 .cse0 .cse7 .cse4) (and .cse5 .cse0 .cse1 .cse2 .cse4) (and .cse8 (not (= ~methaneLevelCritical~0 0)) .cse0 .cse2 .cse4) (and .cse8 .cse6 .cse0 .cse7 .cse4))) [2021-11-23 02:36:23,921 INFO L858 garLoopResultBuilder]: For program point L572(lines 571 618) no Hoare annotation was computed. [2021-11-23 02:36:23,921 INFO L854 garLoopResultBuilder]: At program point L593(line 593) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse0 (= ~pumpRunning~0 0)) (.cse4 (< ~waterLevel~0 3)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse7 (<= ~waterLevel~0 2)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 1) .cse3) (and .cse0 .cse2 .cse4 (= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse3) (and .cse5 .cse1 .cse2 .cse4 .cse3) (and .cse0 .cse6 .cse2 .cse7 .cse3) (and .cse0 .cse2 (<= 1 ~switchedOnBeforeTS~0) .cse4 .cse3) (and .cse5 .cse6 .cse2 .cse7 .cse3))) [2021-11-23 02:36:23,921 INFO L861 garLoopResultBuilder]: At program point L622(lines 561 626) the Hoare annotation is: true [2021-11-23 02:36:23,921 INFO L858 garLoopResultBuilder]: For program point L581(lines 581 587) no Hoare annotation was computed. [2021-11-23 02:36:23,921 INFO L858 garLoopResultBuilder]: For program point L581-1(lines 581 587) no Hoare annotation was computed. [2021-11-23 02:36:23,922 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-11-23 02:36:23,922 INFO L854 garLoopResultBuilder]: At program point L619(lines 570 620) the Hoare annotation is: false [2021-11-23 02:36:23,922 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-23 02:36:23,922 INFO L854 garLoopResultBuilder]: At program point L310(lines 310 317) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1) (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (= 0 ~systemActive~0))) [2021-11-23 02:36:23,922 INFO L861 garLoopResultBuilder]: At program point L310-2(lines 310 317) the Hoare annotation is: true [2021-11-23 02:36:23,922 INFO L858 garLoopResultBuilder]: For program point L591(lines 591 597) no Hoare annotation was computed. [2021-11-23 02:36:23,923 INFO L854 garLoopResultBuilder]: At program point L591-1(lines 591 597) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse1 (<= 1 ~switchedOnBeforeTS~0)) (.cse2 (< ~waterLevel~0 3)) (.cse8 (<= 1 ~pumpRunning~0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse7 (<= ~waterLevel~0 2)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse2 .cse3 .cse4) (and .cse5 .cse0 (= ~waterLevel~0 1) .cse4) (and .cse5 .cse6 .cse0 .cse7 .cse4) (and .cse5 .cse0 .cse1 .cse2 .cse4) (and .cse8 (not (= ~methaneLevelCritical~0 0)) .cse0 .cse2 .cse4) (and .cse8 .cse6 .cse0 .cse7 .cse4))) [2021-11-23 02:36:23,923 INFO L854 garLoopResultBuilder]: At program point L616(lines 571 618) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse4 (<= 1 ~switchedOnBeforeTS~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse5 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (<= ~waterLevel~0 2)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 1) .cse3) (and .cse0 (<= ~waterLevel~0 1) .cse2 .cse4 .cse3) (and .cse1 .cse2 .cse4 (< ~waterLevel~0 3) .cse5 .cse3) (and .cse0 .cse2 .cse6 .cse5 .cse3) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse2 .cse6 .cse3))) [2021-11-23 02:36:23,923 INFO L854 garLoopResultBuilder]: At program point L583(line 583) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse7 (<= 1 ~switchedOnBeforeTS~0)) (.cse2 (< ~waterLevel~0 3)) (.cse3 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (<= ~waterLevel~0 2)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (or (and .cse0 .cse1 (= ~waterLevel~0 1)) (and .cse0 .cse5 .cse1 .cse6)) .cse4) (and .cse0 .cse1 .cse7 .cse2 .cse4) (and (= ~methaneLevelCritical~0 0) .cse1 .cse7 .cse2 .cse3 .cse4) (and (<= 1 ~pumpRunning~0) .cse5 .cse1 .cse6 .cse4))) [2021-11-23 02:36:23,923 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 365 389) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (not (<= 1 ~switchedOnBeforeTS~0))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1 (not (< ~waterLevel~0 3)) .cse2) (or (not (<= ~waterLevel~0 0)) .cse3 .cse0 .cse1 .cse4 .cse2) (or (not (= ~waterLevel~0 1)) .cse3 .cse0 .cse1 .cse4 .cse2))) [2021-11-23 02:36:23,924 INFO L854 garLoopResultBuilder]: At program point L384(line 384) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= 0 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (not (<= 1 ~switchedOnBeforeTS~0))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (< ~waterLevel~0 3)) .cse1) (or (not (<= ~waterLevel~0 0)) .cse2 .cse0 .cse3 .cse4 .cse1) (or (not (= ~waterLevel~0 1)) .cse2 .cse0 .cse3 .cse4 .cse1))) [2021-11-23 02:36:23,924 INFO L858 garLoopResultBuilder]: For program point L384-1(lines 365 389) no Hoare annotation was computed. [2021-11-23 02:36:23,924 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 365 389) no Hoare annotation was computed. [2021-11-23 02:36:23,924 INFO L854 garLoopResultBuilder]: At program point L379(line 379) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (<= 1 ~switchedOnBeforeTS~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (= |processEnvironment__wrappee__highWaterSensor_~tmp~2#1| 0)) (.cse1 (= 0 ~systemActive~0)) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (not (<= ~waterLevel~0 0)) .cse0 .cse1 .cse2 .cse3) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse4 (not (<= ~waterLevel~0 2)) .cse1 (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (or .cse5 (= |processEnvironment__wrappee__highWaterSensor_~tmp~2#1| 1))) .cse3) (or .cse4 .cse5 (not (<= ~waterLevel~0 1)) .cse1 .cse3))) [2021-11-23 02:36:23,924 INFO L854 garLoopResultBuilder]: At program point L373(lines 373 381) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (<= 1 ~switchedOnBeforeTS~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (= |processEnvironment__wrappee__highWaterSensor_~tmp~2#1| 0)) (.cse1 (= 0 ~systemActive~0)) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (not (<= ~waterLevel~0 0)) .cse0 .cse1 .cse2 .cse3) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse4 (not (<= ~waterLevel~0 2)) .cse1 (and (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (or .cse5 (= |processEnvironment__wrappee__highWaterSensor_~tmp~2#1| 1))) .cse3) (or .cse4 .cse5 (not (<= ~waterLevel~0 1)) .cse1 .cse3))) [2021-11-23 02:36:23,925 INFO L854 garLoopResultBuilder]: At program point L369(lines 369 386) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (not (<= 1 ~switchedOnBeforeTS~0))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1 (not (< ~waterLevel~0 3)) .cse2) (or (not (<= ~waterLevel~0 0)) .cse3 .cse0 .cse1 .cse4 .cse2) (or (not (= ~waterLevel~0 1)) .cse3 .cse0 .cse1 .cse4 .cse2))) [2021-11-23 02:36:23,925 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 123 134) no Hoare annotation was computed. [2021-11-23 02:36:23,925 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 123 134) the Hoare annotation is: (let ((.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (not (<= 1 ~switchedOnBeforeTS~0))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse5 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (= 0 ~systemActive~0)) (.cse7 (not (< |old(~waterLevel~0)| 3)))) (and (or (and (or .cse0 .cse1 .cse2) (or .cse0 (not (= |old(~waterLevel~0)| 1)))) .cse3 .cse4) (or (not (<= 1 ~pumpRunning~0)) .cse3 .cse4 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 0)) .cse5 .cse3 .cse4 .cse6 .cse7) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse3 .cse4 .cse6) (or .cse0 .cse5 .cse3 .cse4 .cse7))) [2021-11-23 02:36:23,925 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 391 415) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (not (<= 1 ~switchedOnBeforeTS~0))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1 (not (< ~waterLevel~0 3)) .cse2) (or (not (<= ~waterLevel~0 0)) .cse3 .cse0 .cse1 .cse4 .cse2) (or (not (= ~waterLevel~0 1)) .cse3 .cse0 .cse1 .cse4 .cse2))) [2021-11-23 02:36:23,925 INFO L854 garLoopResultBuilder]: At program point L405(line 405) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= 0 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (not (<= 1 ~switchedOnBeforeTS~0))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (< ~waterLevel~0 3)) .cse1) (or (not (<= ~waterLevel~0 0)) .cse2 .cse0 .cse3 .cse4 .cse1) (or (not (= ~waterLevel~0 1)) .cse2 .cse0 .cse3 .cse4 .cse1))) [2021-11-23 02:36:23,926 INFO L854 garLoopResultBuilder]: At program point L401(line 401) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= 0 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (not (<= 1 ~switchedOnBeforeTS~0))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (< ~waterLevel~0 3)) .cse1) (or (not (<= ~waterLevel~0 0)) .cse2 .cse0 .cse3 .cse4 .cse1) (or (not (= ~waterLevel~0 1)) .cse2 .cse0 .cse3 .cse4 .cse1))) [2021-11-23 02:36:23,926 INFO L858 garLoopResultBuilder]: For program point L399(lines 399 407) no Hoare annotation was computed. [2021-11-23 02:36:23,926 INFO L854 garLoopResultBuilder]: At program point L395(lines 395 412) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (not (<= 1 ~switchedOnBeforeTS~0))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1 (not (< ~waterLevel~0 3)) .cse2) (or (not (<= ~waterLevel~0 0)) .cse3 .cse0 .cse1 .cse4 .cse2) (or (not (= ~waterLevel~0 1)) .cse3 .cse0 .cse1 .cse4 .cse2))) [2021-11-23 02:36:23,926 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 391 415) no Hoare annotation was computed. [2021-11-23 02:36:23,926 INFO L854 garLoopResultBuilder]: At program point L410(line 410) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= 0 ~systemActive~0)) (.cse3 (not (<= 1 ~switchedOnBeforeTS~0))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (< ~waterLevel~0 3)) .cse1) (or (not (<= ~waterLevel~0 0)) .cse2 .cse0 .cse3 .cse1) (or (not (= ~waterLevel~0 1)) .cse2 .cse0 .cse3 .cse1))) [2021-11-23 02:36:23,927 INFO L858 garLoopResultBuilder]: For program point L410-1(lines 391 415) no Hoare annotation was computed. [2021-11-23 02:36:23,927 INFO L858 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 469 477) no Hoare annotation was computed. [2021-11-23 02:36:23,927 INFO L861 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 469 477) the Hoare annotation is: true [2021-11-23 02:36:23,930 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:36:23,932 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 02:36:24,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:36:24 BoogieIcfgContainer [2021-11-23 02:36:24,001 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 02:36:24,001 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 02:36:24,001 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 02:36:24,002 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 02:36:24,002 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:35:00" (3/4) ... [2021-11-23 02:36:24,005 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 02:36:24,010 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-11-23 02:36:24,010 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-11-23 02:36:24,011 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-11-23 02:36:24,011 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-11-23 02:36:24,011 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-11-23 02:36:24,011 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2021-11-23 02:36:24,011 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-11-23 02:36:24,012 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2021-11-23 02:36:24,012 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2021-11-23 02:36:24,021 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 84 nodes and edges [2021-11-23 02:36:24,022 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2021-11-23 02:36:24,023 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-11-23 02:36:24,023 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 02:36:24,024 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 02:36:24,025 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 02:36:24,025 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 02:36:24,050 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) || ((pumpRunning == 0 && waterLevel == 1) && aux-isPumpRunning()-aux == pumpRunning)) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && aux-isPumpRunning()-aux == pumpRunning) || !(1 <= \old(pumpRunning))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && aux-isPumpRunning()-aux == pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || (((((pumpRunning == 0 && 1 <= switchedOnBeforeTS) && aux-isPumpRunning()-aux == pumpRunning) && !(0 == systemActive)) || (((pumpRunning == 0 && pumpRunning == switchedOnBeforeTS) && aux-isPumpRunning()-aux == pumpRunning) && !(0 == systemActive))) && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) < 3))) && ((((methaneLevelCritical == 0 || !(1 <= \old(pumpRunning))) || ((((pumpRunning == \old(pumpRunning) && 1 <= aux-isPumpRunning()-aux) && \old(waterLevel) == waterLevel) && aux-isPumpRunning()-aux == pumpRunning) && !(0 == systemActive))) || 0 == systemActive) || !(\old(waterLevel) < 3))) && ((((!(\old(pumpRunning) == 0) || (((((pumpRunning == 0 && 1 <= switchedOnBeforeTS) && aux-isPumpRunning()-aux == pumpRunning) && !(0 == systemActive)) || (((pumpRunning == 0 && pumpRunning == switchedOnBeforeTS) && aux-isPumpRunning()-aux == pumpRunning) && !(0 == systemActive))) && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) || !(\old(waterLevel) < 3))) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || ((((pumpRunning == \old(pumpRunning) && 1 <= aux-isPumpRunning()-aux) && \old(waterLevel) == waterLevel) && aux-isPumpRunning()-aux == pumpRunning) && !(0 == systemActive))) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) [2021-11-23 02:36:24,051 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || (((((1 <= pumpRunning && methaneLevelCritical == 0) && 2 <= waterLevel) && \old(pumpRunning) == 0) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(\old(waterLevel) < 3)) && ((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || methaneLevelCritical == 0) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || (((((1 <= pumpRunning && 2 <= waterLevel) && \old(pumpRunning) == 0) && !(methaneLevelCritical == 0)) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(\old(waterLevel) < 3))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) || ((pumpRunning == 0 && waterLevel == 1) && pumpRunning == switchedOnBeforeTS))) && (((((!(1 <= \old(pumpRunning)) || (((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((waterLevel == 1 && 1 <= switchedOnBeforeTS) && pumpRunning == switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || (((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS) && tmp == methaneLevelCritical)) || (((pumpRunning == 0 && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((methaneLevelCritical == 0 || !(1 <= \old(pumpRunning))) || 0 == systemActive) || (((pumpRunning == 0 && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || (\old(waterLevel) <= 0 && \old(waterLevel) == waterLevel))) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(\old(waterLevel) < 3))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) == 1)) || ((((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) && 1 <= switchedOnBeforeTS) && pumpRunning == switchedOnBeforeTS) && tmp == methaneLevelCritical)) || 0 == systemActive) || (((pumpRunning == 0 && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || (\old(waterLevel) <= 0 && \old(waterLevel) == waterLevel))) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((!(\old(pumpRunning) == 0) || (((((1 <= pumpRunning && methaneLevelCritical == 0) && 2 <= waterLevel) && \old(pumpRunning) == 0) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((((1 <= pumpRunning && 2 <= waterLevel) && \old(pumpRunning) == 0) && !(methaneLevelCritical == 0)) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(2 <= \old(waterLevel)))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) [2021-11-23 02:36:24,052 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp == waterLevel) && methaneLevelCritical == 0) && waterLevel <= 1) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive))) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) && (((((!(\old(pumpRunning) == 0) || ((1 <= pumpRunning && tmp == waterLevel) && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((pumpRunning == 0 && tmp == waterLevel) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(2 <= \old(waterLevel)))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp == waterLevel) && methaneLevelCritical == 0) && waterLevel <= 1) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive))) || 0 == systemActive)) && (((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || methaneLevelCritical == 0) || (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp == waterLevel) && waterLevel <= 1) && !(methaneLevelCritical == 0)) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive))) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(1 <= \old(pumpRunning)) || ((((tmp == waterLevel && waterLevel == 1) && 1 <= switchedOnBeforeTS) && pumpRunning == switchedOnBeforeTS) && tmp == methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((((pumpRunning == 0 && tmp == waterLevel) && waterLevel == 1) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && ((((methaneLevelCritical == 0 || !(1 <= \old(pumpRunning))) || 0 == systemActive) || ((((pumpRunning == 0 && tmp == waterLevel) && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || (\old(waterLevel) <= 0 && \old(waterLevel) == waterLevel))) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(\old(waterLevel) < 3))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || pumpRunning == \old(pumpRunning)) || pumpRunning == 0) || 0 == systemActive) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || !(\old(pumpRunning) == 0)) || methaneLevelCritical == 0) || (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp == waterLevel) && waterLevel <= 1) && !(methaneLevelCritical == 0)) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive))) || 0 == systemActive)) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || (((((tmp == waterLevel && waterLevel <= 0) && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || \old(waterLevel) == waterLevel)) && 1 <= switchedOnBeforeTS) && pumpRunning == switchedOnBeforeTS) && tmp == methaneLevelCritical)) || 0 == systemActive) || ((((pumpRunning == 0 && tmp == waterLevel) && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || (\old(waterLevel) <= 0 && \old(waterLevel) == waterLevel))) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) || (((pumpRunning == 0 && tmp == waterLevel) && waterLevel == 1) && pumpRunning == switchedOnBeforeTS)) [2021-11-23 02:36:24,052 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) == 1)) || (((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) && 1 <= switchedOnBeforeTS) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) || ((pumpRunning == 0 && waterLevel == 1) && pumpRunning == switchedOnBeforeTS))) && ((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) < 3))) && ((((!(1 <= \old(pumpRunning)) || ((waterLevel == 1 && 1 <= switchedOnBeforeTS) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((pumpRunning == \old(pumpRunning) || methaneLevelCritical == 0) || !(1 <= \old(pumpRunning))) || 0 == systemActive) || !(\old(waterLevel) <= 0)) || !(\old(waterLevel) < 3))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((methaneLevelCritical == 0 || !(1 <= \old(pumpRunning))) || ((((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || (\old(waterLevel) <= 0 && \old(waterLevel) == waterLevel)) && 1 <= switchedOnBeforeTS) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) < 3)) [2021-11-23 02:36:24,052 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) || !(\old(waterLevel) < 3)) && (((methaneLevelCritical == 0 || !(1 <= \old(pumpRunning))) || 0 == systemActive) || !(\old(waterLevel) < 3))) && (((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) || !(\old(waterLevel) < 3))) && (((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || 0 == systemActive) || !(\old(waterLevel) < 3))) && (((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) [2021-11-23 02:36:24,052 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || (((((1 <= pumpRunning && methaneLevelCritical == 0) && 2 <= waterLevel) && \old(pumpRunning) == 0) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(\old(waterLevel) < 3)) && ((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || methaneLevelCritical == 0) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || (((((1 <= pumpRunning && 2 <= waterLevel) && \old(pumpRunning) == 0) && !(methaneLevelCritical == 0)) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(\old(waterLevel) < 3))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) || ((pumpRunning == 0 && waterLevel == 1) && pumpRunning == switchedOnBeforeTS))) && (((((!(1 <= \old(pumpRunning)) || (((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((waterLevel == 1 && 1 <= switchedOnBeforeTS) && pumpRunning == switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || (((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS) && tmp == methaneLevelCritical)) || (((pumpRunning == 0 && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((methaneLevelCritical == 0 || !(1 <= \old(pumpRunning))) || 0 == systemActive) || (((pumpRunning == 0 && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || (\old(waterLevel) <= 0 && \old(waterLevel) == waterLevel))) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(\old(waterLevel) < 3))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) == 1)) || ((((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) && 1 <= switchedOnBeforeTS) && pumpRunning == switchedOnBeforeTS) && tmp == methaneLevelCritical)) || 0 == systemActive) || (((pumpRunning == 0 && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || (\old(waterLevel) <= 0 && \old(waterLevel) == waterLevel))) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((!(\old(pumpRunning) == 0) || (((((1 <= pumpRunning && methaneLevelCritical == 0) && 2 <= waterLevel) && \old(pumpRunning) == 0) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((((1 <= pumpRunning && 2 <= waterLevel) && \old(pumpRunning) == 0) && !(methaneLevelCritical == 0)) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(2 <= \old(waterLevel)))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) [2021-11-23 02:36:24,053 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || 0 == systemActive) || pumpRunning == switchedOnBeforeTS) || !(waterLevel < 3)) || !(switchedOnBeforeTS == \old(pumpRunning))) && (((((!(waterLevel <= 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) || pumpRunning == switchedOnBeforeTS) || !(1 <= switchedOnBeforeTS)) || !(switchedOnBeforeTS == \old(pumpRunning)))) && (((((!(waterLevel == 1) || !(methaneLevelCritical == 0)) || 0 == systemActive) || pumpRunning == switchedOnBeforeTS) || !(1 <= switchedOnBeforeTS)) || !(switchedOnBeforeTS == \old(pumpRunning))) [2021-11-23 02:36:24,053 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || 0 == systemActive) || pumpRunning == switchedOnBeforeTS) || !(waterLevel < 3)) || !(switchedOnBeforeTS == \old(pumpRunning))) && (((((!(waterLevel <= 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) || pumpRunning == switchedOnBeforeTS) || !(1 <= switchedOnBeforeTS)) || !(switchedOnBeforeTS == \old(pumpRunning)))) && (((((!(waterLevel == 1) || !(methaneLevelCritical == 0)) || 0 == systemActive) || pumpRunning == switchedOnBeforeTS) || !(1 <= switchedOnBeforeTS)) || !(switchedOnBeforeTS == \old(pumpRunning))) [2021-11-23 02:36:24,055 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(waterLevel <= 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) || !(switchedOnBeforeTS == \old(pumpRunning))) && ((((!(waterLevel == 1) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) || !(switchedOnBeforeTS == \old(pumpRunning)))) && ((((!(\old(pumpRunning) == 0) || !(waterLevel <= 2)) || 0 == systemActive) || (pumpRunning == switchedOnBeforeTS && (tmp == 0 || tmp == 1))) || !(switchedOnBeforeTS == \old(pumpRunning)))) && ((((!(\old(pumpRunning) == 0) || tmp == 0) || !(waterLevel <= 1)) || 0 == systemActive) || !(switchedOnBeforeTS == \old(pumpRunning))) [2021-11-23 02:36:24,108 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645a52d0-e59c-4c9c-bef1-0b123204aeac/bin/utaipan-EQgc7hIp5V/witness.graphml [2021-11-23 02:36:24,108 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 02:36:24,109 INFO L158 Benchmark]: Toolchain (without parser) took 84725.72ms. Allocated memory was 98.6MB in the beginning and 541.1MB in the end (delta: 442.5MB). Free memory was 63.4MB in the beginning and 251.0MB in the end (delta: -187.6MB). Peak memory consumption was 253.5MB. Max. memory is 16.1GB. [2021-11-23 02:36:24,109 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 98.6MB. Free memory was 51.7MB in the beginning and 51.6MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:36:24,110 INFO L158 Benchmark]: CACSL2BoogieTranslator took 613.76ms. Allocated memory was 98.6MB in the beginning and 125.8MB in the end (delta: 27.3MB). Free memory was 63.2MB in the beginning and 92.0MB in the end (delta: -28.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 02:36:24,110 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.74ms. Allocated memory is still 125.8MB. Free memory was 92.0MB in the beginning and 88.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 02:36:24,111 INFO L158 Benchmark]: Boogie Preprocessor took 60.54ms. Allocated memory is still 125.8MB. Free memory was 88.8MB in the beginning and 87.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 02:36:24,111 INFO L158 Benchmark]: RCFGBuilder took 655.36ms. Allocated memory is still 125.8MB. Free memory was 87.2MB in the beginning and 64.1MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-23 02:36:24,112 INFO L158 Benchmark]: TraceAbstraction took 83187.42ms. Allocated memory was 125.8MB in the beginning and 541.1MB in the end (delta: 415.2MB). Free memory was 63.6MB in the beginning and 258.3MB in the end (delta: -194.7MB). Peak memory consumption was 302.4MB. Max. memory is 16.1GB. [2021-11-23 02:36:24,112 INFO L158 Benchmark]: Witness Printer took 106.98ms. Allocated memory is still 541.1MB. Free memory was 258.3MB in the beginning and 251.0MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 02:36:24,115 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 98.6MB. Free memory was 51.7MB in the beginning and 51.6MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 613.76ms. Allocated memory was 98.6MB in the beginning and 125.8MB in the end (delta: 27.3MB). Free memory was 63.2MB in the beginning and 92.0MB in the end (delta: -28.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.74ms. Allocated memory is still 125.8MB. Free memory was 92.0MB in the beginning and 88.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.54ms. Allocated memory is still 125.8MB. Free memory was 88.8MB in the beginning and 87.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 655.36ms. Allocated memory is still 125.8MB. Free memory was 87.2MB in the beginning and 64.1MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 83187.42ms. Allocated memory was 125.8MB in the beginning and 541.1MB in the end (delta: 415.2MB). Free memory was 63.6MB in the beginning and 258.3MB in the end (delta: -194.7MB). Peak memory consumption was 302.4MB. Max. memory is 16.1GB. * Witness Printer took 106.98ms. Allocated memory is still 541.1MB. Free memory was 258.3MB in the beginning and 251.0MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 216]: 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 10 procedures, 69 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 83.0s, OverallIterations: 11, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 7.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 15.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3095 SdHoareTripleChecker+Valid, 3.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3069 mSDsluCounter, 3453 SdHoareTripleChecker+Invalid, 2.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3032 mSDsCounter, 2008 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4551 IncrementalHoareTripleChecker+Invalid, 6559 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2008 mSolverCounterUnsat, 1024 mSDtfsCounter, 4551 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1096 GetRequests, 784 SyntacticMatches, 31 SemanticMatches, 281 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8340 ImplicationChecksByTransitivity, 33.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=652occurred in iteration=10, InterpolantAutomatonStates: 148, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 514 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 2041 PreInvPairs, 2401 NumberOfFragments, 4757 HoareAnnotationTreeSize, 2041 FomulaSimplifications, 12959 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 42 FomulaSimplificationsInter, 76042 FormulaSimplificationTreeSizeReductionInter, 13.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 989 NumberOfCodeBlocks, 989 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1242 ConstructedInterpolants, 0 QuantifiedInterpolants, 3439 SizeOfPredicates, 26 NumberOfNonLiveVariables, 2056 ConjunctsInSsa, 60 ConjunctsInUnsatCore, 18 InterpolantComputations, 8 PerfectInterpolantSequences, 608/703 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 1 specifications checked. All of them hold - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: ((((((((((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || (((((1 <= pumpRunning && methaneLevelCritical == 0) && 2 <= waterLevel) && \old(pumpRunning) == 0) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(\old(waterLevel) < 3)) && ((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || methaneLevelCritical == 0) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || (((((1 <= pumpRunning && 2 <= waterLevel) && \old(pumpRunning) == 0) && !(methaneLevelCritical == 0)) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(\old(waterLevel) < 3))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) || ((pumpRunning == 0 && waterLevel == 1) && pumpRunning == switchedOnBeforeTS))) && (((((!(1 <= \old(pumpRunning)) || (((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((waterLevel == 1 && 1 <= switchedOnBeforeTS) && pumpRunning == switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || (((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS) && tmp == methaneLevelCritical)) || (((pumpRunning == 0 && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((methaneLevelCritical == 0 || !(1 <= \old(pumpRunning))) || 0 == systemActive) || (((pumpRunning == 0 && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || (\old(waterLevel) <= 0 && \old(waterLevel) == waterLevel))) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(\old(waterLevel) < 3))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) == 1)) || ((((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) && 1 <= switchedOnBeforeTS) && pumpRunning == switchedOnBeforeTS) && tmp == methaneLevelCritical)) || 0 == systemActive) || (((pumpRunning == 0 && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || (\old(waterLevel) <= 0 && \old(waterLevel) == waterLevel))) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((!(\old(pumpRunning) == 0) || (((((1 <= pumpRunning && methaneLevelCritical == 0) && 2 <= waterLevel) && \old(pumpRunning) == 0) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((((1 <= pumpRunning && 2 <= waterLevel) && \old(pumpRunning) == 0) && !(methaneLevelCritical == 0)) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(2 <= \old(waterLevel)))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 310]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: (((((((pumpRunning == 0 && methaneLevelCritical == 0) && splverifierCounter == 0) && waterLevel == 1) && !(0 == systemActive)) || ((((pumpRunning == 0 && waterLevel <= 1) && splverifierCounter == 0) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || (((((methaneLevelCritical == 0 && splverifierCounter == 0) && 1 <= switchedOnBeforeTS) && waterLevel < 3) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive))) || ((((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive))) || ((((1 <= pumpRunning && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) - InvariantResult [Line: 310]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel == 1) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: (((((((((((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp == waterLevel) && methaneLevelCritical == 0) && waterLevel <= 1) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive))) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) && (((((!(\old(pumpRunning) == 0) || ((1 <= pumpRunning && tmp == waterLevel) && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((pumpRunning == 0 && tmp == waterLevel) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(2 <= \old(waterLevel)))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp == waterLevel) && methaneLevelCritical == 0) && waterLevel <= 1) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive))) || 0 == systemActive)) && (((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || methaneLevelCritical == 0) || (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp == waterLevel) && waterLevel <= 1) && !(methaneLevelCritical == 0)) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive))) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(1 <= \old(pumpRunning)) || ((((tmp == waterLevel && waterLevel == 1) && 1 <= switchedOnBeforeTS) && pumpRunning == switchedOnBeforeTS) && tmp == methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((((pumpRunning == 0 && tmp == waterLevel) && waterLevel == 1) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && ((((methaneLevelCritical == 0 || !(1 <= \old(pumpRunning))) || 0 == systemActive) || ((((pumpRunning == 0 && tmp == waterLevel) && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || (\old(waterLevel) <= 0 && \old(waterLevel) == waterLevel))) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(\old(waterLevel) < 3))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || pumpRunning == \old(pumpRunning)) || pumpRunning == 0) || 0 == systemActive) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || !(\old(pumpRunning) == 0)) || methaneLevelCritical == 0) || (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp == waterLevel) && waterLevel <= 1) && !(methaneLevelCritical == 0)) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive))) || 0 == systemActive)) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || (((((tmp == waterLevel && waterLevel <= 0) && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || \old(waterLevel) == waterLevel)) && 1 <= switchedOnBeforeTS) && pumpRunning == switchedOnBeforeTS) && tmp == methaneLevelCritical)) || 0 == systemActive) || ((((pumpRunning == 0 && tmp == waterLevel) && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || (\old(waterLevel) <= 0 && \old(waterLevel) == waterLevel))) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) || (((pumpRunning == 0 && tmp == waterLevel) && waterLevel == 1) && pumpRunning == switchedOnBeforeTS)) - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 369]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || 0 == systemActive) || pumpRunning == switchedOnBeforeTS) || !(waterLevel < 3)) || !(switchedOnBeforeTS == \old(pumpRunning))) && (((((!(waterLevel <= 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) || pumpRunning == switchedOnBeforeTS) || !(1 <= switchedOnBeforeTS)) || !(switchedOnBeforeTS == \old(pumpRunning)))) && (((((!(waterLevel == 1) || !(methaneLevelCritical == 0)) || 0 == systemActive) || pumpRunning == switchedOnBeforeTS) || !(1 <= switchedOnBeforeTS)) || !(switchedOnBeforeTS == \old(pumpRunning))) - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: ((((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) || ((pumpRunning == 0 && waterLevel == 1) && aux-isPumpRunning()-aux == pumpRunning)) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && aux-isPumpRunning()-aux == pumpRunning) || !(1 <= \old(pumpRunning))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && aux-isPumpRunning()-aux == pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || (((((pumpRunning == 0 && 1 <= switchedOnBeforeTS) && aux-isPumpRunning()-aux == pumpRunning) && !(0 == systemActive)) || (((pumpRunning == 0 && pumpRunning == switchedOnBeforeTS) && aux-isPumpRunning()-aux == pumpRunning) && !(0 == systemActive))) && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) < 3))) && ((((methaneLevelCritical == 0 || !(1 <= \old(pumpRunning))) || ((((pumpRunning == \old(pumpRunning) && 1 <= aux-isPumpRunning()-aux) && \old(waterLevel) == waterLevel) && aux-isPumpRunning()-aux == pumpRunning) && !(0 == systemActive))) || 0 == systemActive) || !(\old(waterLevel) < 3))) && ((((!(\old(pumpRunning) == 0) || (((((pumpRunning == 0 && 1 <= switchedOnBeforeTS) && aux-isPumpRunning()-aux == pumpRunning) && !(0 == systemActive)) || (((pumpRunning == 0 && pumpRunning == switchedOnBeforeTS) && aux-isPumpRunning()-aux == pumpRunning) && !(0 == systemActive))) && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) || !(\old(waterLevel) < 3))) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || ((((pumpRunning == \old(pumpRunning) && 1 <= aux-isPumpRunning()-aux) && \old(waterLevel) == waterLevel) && aux-isPumpRunning()-aux == pumpRunning) && !(0 == systemActive))) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 395]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || 0 == systemActive) || pumpRunning == switchedOnBeforeTS) || !(waterLevel < 3)) || !(switchedOnBeforeTS == \old(pumpRunning))) && (((((!(waterLevel <= 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) || pumpRunning == switchedOnBeforeTS) || !(1 <= switchedOnBeforeTS)) || !(switchedOnBeforeTS == \old(pumpRunning)))) && (((((!(waterLevel == 1) || !(methaneLevelCritical == 0)) || 0 == systemActive) || pumpRunning == switchedOnBeforeTS) || !(1 <= switchedOnBeforeTS)) || !(switchedOnBeforeTS == \old(pumpRunning))) - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: ((((((!(waterLevel <= 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) || !(switchedOnBeforeTS == \old(pumpRunning))) && ((((!(waterLevel == 1) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) || !(switchedOnBeforeTS == \old(pumpRunning)))) && ((((!(\old(pumpRunning) == 0) || !(waterLevel <= 2)) || 0 == systemActive) || (pumpRunning == switchedOnBeforeTS && (tmp == 0 || tmp == 1))) || !(switchedOnBeforeTS == \old(pumpRunning)))) && ((((!(\old(pumpRunning) == 0) || tmp == 0) || !(waterLevel <= 1)) || 0 == systemActive) || !(switchedOnBeforeTS == \old(pumpRunning))) - InvariantResult [Line: 591]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && 1 <= switchedOnBeforeTS) && waterLevel < 3) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive)) || ((((pumpRunning == 0 && splverifierCounter == 0) && waterLevel < 3) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive))) || (((pumpRunning == 0 && splverifierCounter == 0) && waterLevel == 1) && !(0 == systemActive))) || ((((pumpRunning == 0 && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive))) || ((((pumpRunning == 0 && splverifierCounter == 0) && 1 <= switchedOnBeforeTS) && waterLevel < 3) && !(0 == systemActive))) || ((((1 <= pumpRunning && !(methaneLevelCritical == 0)) && splverifierCounter == 0) && waterLevel < 3) && !(0 == systemActive))) || ((((1 <= pumpRunning && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) - InvariantResult [Line: 344]: Loop Invariant Derived loop invariant: ((((((((((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || (((((1 <= pumpRunning && methaneLevelCritical == 0) && 2 <= waterLevel) && \old(pumpRunning) == 0) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(\old(waterLevel) < 3)) && ((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || methaneLevelCritical == 0) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || (((((1 <= pumpRunning && 2 <= waterLevel) && \old(pumpRunning) == 0) && !(methaneLevelCritical == 0)) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(\old(waterLevel) < 3))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) || ((pumpRunning == 0 && waterLevel == 1) && pumpRunning == switchedOnBeforeTS))) && (((((!(1 <= \old(pumpRunning)) || (((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((waterLevel == 1 && 1 <= switchedOnBeforeTS) && pumpRunning == switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || (((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS) && tmp == methaneLevelCritical)) || (((pumpRunning == 0 && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || 0 == systemActive) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((methaneLevelCritical == 0 || !(1 <= \old(pumpRunning))) || 0 == systemActive) || (((pumpRunning == 0 && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || (\old(waterLevel) <= 0 && \old(waterLevel) == waterLevel))) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(\old(waterLevel) < 3))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) == 1)) || ((((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) && 1 <= switchedOnBeforeTS) && pumpRunning == switchedOnBeforeTS) && tmp == methaneLevelCritical)) || 0 == systemActive) || (((pumpRunning == 0 && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || (\old(waterLevel) <= 0 && \old(waterLevel) == waterLevel))) && 1 <= switchedOnBeforeTS) && tmp == methaneLevelCritical)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((((!(\old(pumpRunning) == 0) || (((((1 <= pumpRunning && methaneLevelCritical == 0) && 2 <= waterLevel) && \old(pumpRunning) == 0) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((((1 <= pumpRunning && 2 <= waterLevel) && \old(pumpRunning) == 0) && !(methaneLevelCritical == 0)) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(2 <= \old(waterLevel)))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 421]: Loop Invariant Derived loop invariant: (((((((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || ((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) == 1)) || (((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) && 1 <= switchedOnBeforeTS) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) || ((pumpRunning == 0 && waterLevel == 1) && pumpRunning == switchedOnBeforeTS))) && ((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) < 3))) && ((((!(1 <= \old(pumpRunning)) || ((waterLevel == 1 && 1 <= switchedOnBeforeTS) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((pumpRunning == \old(pumpRunning) || methaneLevelCritical == 0) || !(1 <= \old(pumpRunning))) || 0 == systemActive) || !(\old(waterLevel) <= 0)) || !(\old(waterLevel) < 3))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((methaneLevelCritical == 0 || !(1 <= \old(pumpRunning))) || ((((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || (\old(waterLevel) <= 0 && \old(waterLevel) == waterLevel)) && 1 <= switchedOnBeforeTS) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) < 3)) - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: ((((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) || !(\old(waterLevel) < 3)) && (((methaneLevelCritical == 0 || !(1 <= \old(pumpRunning))) || 0 == systemActive) || !(\old(waterLevel) < 3))) && (((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) || !(\old(waterLevel) < 3))) && (((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || 0 == systemActive) || !(\old(waterLevel) < 3))) && (((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-11-23 02:36:24,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_645a52d0-e59c-4c9c-bef1-0b123204aeac/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE