./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product18.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed5a17f-d9f4-43f7-a4d2-118edf9eaf36/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed5a17f-d9f4-43f7-a4d2-118edf9eaf36/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed5a17f-d9f4-43f7-a4d2-118edf9eaf36/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed5a17f-d9f4-43f7-a4d2-118edf9eaf36/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product18.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed5a17f-d9f4-43f7-a4d2-118edf9eaf36/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed5a17f-d9f4-43f7-a4d2-118edf9eaf36/bin/uautomizer-DQz5hQGWxF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0d9ebbb30768a2034911923a47ec23b508893488073d6c966da0671a59e428a3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:37:40,038 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:37:40,041 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:37:40,078 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:37:40,079 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:37:40,081 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:37:40,083 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:37:40,086 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:37:40,089 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:37:40,091 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:37:40,093 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:37:40,095 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:37:40,095 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:37:40,097 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:37:40,099 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:37:40,102 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:37:40,103 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:37:40,105 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:37:40,108 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:37:40,112 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:37:40,115 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:37:40,117 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:37:40,119 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:37:40,120 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:37:40,125 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:37:40,126 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:37:40,127 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:37:40,128 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:37:40,129 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:37:40,131 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:37:40,131 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:37:40,133 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:37:40,134 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:37:40,136 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:37:40,137 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:37:40,138 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:37:40,140 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:37:40,140 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:37:40,141 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:37:40,142 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:37:40,144 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:37:40,145 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed5a17f-d9f4-43f7-a4d2-118edf9eaf36/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-20 06:37:40,182 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:37:40,182 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:37:40,183 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:37:40,184 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:37:40,185 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 06:37:40,190 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 06:37:40,191 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:37:40,192 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:37:40,192 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:37:40,192 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:37:40,193 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 06:37:40,193 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:37:40,193 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 06:37:40,194 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:37:40,194 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 06:37:40,194 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 06:37:40,194 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 06:37:40,195 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 06:37:40,195 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:37:40,196 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:37:40,197 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 06:37:40,197 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:37:40,197 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:37:40,198 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 06:37:40,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:37:40,198 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:37:40,199 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 06:37:40,199 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 06:37:40,199 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:37:40,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 06:37:40,202 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 06:37:40,202 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 06:37:40,202 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 06:37:40,203 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:37:40,203 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed5a17f-d9f4-43f7-a4d2-118edf9eaf36/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed5a17f-d9f4-43f7-a4d2-118edf9eaf36/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d9ebbb30768a2034911923a47ec23b508893488073d6c966da0671a59e428a3 [2021-11-20 06:37:40,527 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:37:40,564 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:37:40,567 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:37:40,569 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:37:40,570 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:37:40,571 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed5a17f-d9f4-43f7-a4d2-118edf9eaf36/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/product-lines/minepump_spec1_product18.cil.c [2021-11-20 06:37:40,663 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed5a17f-d9f4-43f7-a4d2-118edf9eaf36/bin/uautomizer-DQz5hQGWxF/data/2df44e7bd/5a1deb0a890f4ac2babd768c521658fe/FLAGb8860f713 [2021-11-20 06:37:41,256 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:37:41,257 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed5a17f-d9f4-43f7-a4d2-118edf9eaf36/sv-benchmarks/c/product-lines/minepump_spec1_product18.cil.c [2021-11-20 06:37:41,276 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed5a17f-d9f4-43f7-a4d2-118edf9eaf36/bin/uautomizer-DQz5hQGWxF/data/2df44e7bd/5a1deb0a890f4ac2babd768c521658fe/FLAGb8860f713 [2021-11-20 06:37:41,575 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed5a17f-d9f4-43f7-a4d2-118edf9eaf36/bin/uautomizer-DQz5hQGWxF/data/2df44e7bd/5a1deb0a890f4ac2babd768c521658fe [2021-11-20 06:37:41,578 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:37:41,580 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:37:41,582 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:37:41,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:37:41,587 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:37:41,588 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:37:41" (1/1) ... [2021-11-20 06:37:41,589 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e80fdca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:37:41, skipping insertion in model container [2021-11-20 06:37:41,589 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:37:41" (1/1) ... [2021-11-20 06:37:41,598 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:37:41,668 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:37:42,043 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_3ed5a17f-d9f4-43f7-a4d2-118edf9eaf36/sv-benchmarks/c/product-lines/minepump_spec1_product18.cil.c[16435,16448] [2021-11-20 06:37:42,055 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:37:42,066 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:37:42,186 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_3ed5a17f-d9f4-43f7-a4d2-118edf9eaf36/sv-benchmarks/c/product-lines/minepump_spec1_product18.cil.c[16435,16448] [2021-11-20 06:37:42,194 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:37:42,217 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:37:42,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:37:42 WrapperNode [2021-11-20 06:37:42,218 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:37:42,219 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:37:42,220 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:37:42,220 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:37:42,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:37:42" (1/1) ... [2021-11-20 06:37:42,247 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:37:42" (1/1) ... [2021-11-20 06:37:42,283 INFO L137 Inliner]: procedures = 53, calls = 150, calls flagged for inlining = 20, calls inlined = 17, statements flattened = 216 [2021-11-20 06:37:42,283 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:37:42,284 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:37:42,285 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:37:42,285 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:37:42,296 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:37:42" (1/1) ... [2021-11-20 06:37:42,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:37:42" (1/1) ... [2021-11-20 06:37:42,299 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:37:42" (1/1) ... [2021-11-20 06:37:42,311 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:37:42" (1/1) ... [2021-11-20 06:37:42,318 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:37:42" (1/1) ... [2021-11-20 06:37:42,324 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:37:42" (1/1) ... [2021-11-20 06:37:42,331 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:37:42" (1/1) ... [2021-11-20 06:37:42,341 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:37:42,343 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:37:42,343 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:37:42,343 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:37:42,347 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:37:42" (1/1) ... [2021-11-20 06:37:42,365 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:37:42,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed5a17f-d9f4-43f7-a4d2-118edf9eaf36/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:37:42,392 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed5a17f-d9f4-43f7-a4d2-118edf9eaf36/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 06:37:42,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed5a17f-d9f4-43f7-a4d2-118edf9eaf36/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 06:37:42,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:37:42,441 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-11-20 06:37:42,442 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-11-20 06:37:42,442 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-11-20 06:37:42,442 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-11-20 06:37:42,443 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-11-20 06:37:42,443 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-11-20 06:37:42,443 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-11-20 06:37:42,443 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-11-20 06:37:42,443 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-11-20 06:37:42,444 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-11-20 06:37:42,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 06:37:42,444 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-11-20 06:37:42,444 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-11-20 06:37:42,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:37:42,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:37:42,533 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:37:42,535 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:37:42,935 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:37:42,944 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:37:42,944 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-20 06:37:42,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:37:42 BoogieIcfgContainer [2021-11-20 06:37:42,961 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:37:42,964 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 06:37:42,964 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 06:37:42,978 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 06:37:42,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:37:41" (1/3) ... [2021-11-20 06:37:42,979 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d25f015 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:37:42, skipping insertion in model container [2021-11-20 06:37:42,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:37:42" (2/3) ... [2021-11-20 06:37:42,980 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d25f015 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:37:42, skipping insertion in model container [2021-11-20 06:37:42,980 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:37:42" (3/3) ... [2021-11-20 06:37:42,981 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product18.cil.c [2021-11-20 06:37:43,016 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 06:37:43,016 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 06:37:43,077 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 06:37:43,086 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=PETRI_NET, 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 [2021-11-20 06:37:43,087 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 06:37:43,109 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 57 states have (on average 1.3859649122807018) internal successors, (79), 63 states have internal predecessors, (79), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2021-11-20 06:37:43,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-20 06:37:43,122 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:37:43,123 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:37:43,124 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:37:43,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:37:43,131 INFO L85 PathProgramCache]: Analyzing trace with hash 734159136, now seen corresponding path program 1 times [2021-11-20 06:37:43,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:37:43,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145935180] [2021-11-20 06:37:43,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:37:43,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:37:43,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:37:43,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 06:37:43,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:37:43,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:37:43,475 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:37:43,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145935180] [2021-11-20 06:37:43,477 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145935180] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:37:43,477 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:37:43,477 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 06:37:43,479 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838328617] [2021-11-20 06:37:43,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:37:43,485 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 06:37:43,486 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:37:43,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 06:37:43,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 06:37:43,522 INFO L87 Difference]: Start difference. First operand has 74 states, 57 states have (on average 1.3859649122807018) internal successors, (79), 63 states have internal predecessors, (79), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-20 06:37:43,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:37:43,561 INFO L93 Difference]: Finished difference Result 140 states and 189 transitions. [2021-11-20 06:37:43,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 06:37:43,565 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2021-11-20 06:37:43,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:37:43,579 INFO L225 Difference]: With dead ends: 140 [2021-11-20 06:37:43,579 INFO L226 Difference]: Without dead ends: 65 [2021-11-20 06:37:43,586 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 06:37:43,594 INFO L933 BasicCegarLoop]: 91 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 06:37:43,596 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 06:37:43,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2021-11-20 06:37:43,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2021-11-20 06:37:43,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 50 states have (on average 1.3) internal successors, (65), 55 states have internal predecessors, (65), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2021-11-20 06:37:43,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 82 transitions. [2021-11-20 06:37:43,672 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 82 transitions. Word has length 23 [2021-11-20 06:37:43,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:37:43,673 INFO L470 AbstractCegarLoop]: Abstraction has 65 states and 82 transitions. [2021-11-20 06:37:43,673 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-20 06:37:43,674 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2021-11-20 06:37:43,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-20 06:37:43,676 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:37:43,677 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:37:43,677 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 06:37:43,677 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:37:43,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:37:43,679 INFO L85 PathProgramCache]: Analyzing trace with hash 1529571606, now seen corresponding path program 1 times [2021-11-20 06:37:43,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:37:43,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902279766] [2021-11-20 06:37:43,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:37:43,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:37:43,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:37:43,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-20 06:37:43,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:37:43,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:37:43,782 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:37:43,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902279766] [2021-11-20 06:37:43,782 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902279766] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:37:43,782 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:37:43,783 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 06:37:43,783 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406311450] [2021-11-20 06:37:43,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:37:43,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:37:43,785 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:37:43,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:37:43,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:37:43,786 INFO L87 Difference]: Start difference. First operand 65 states and 82 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-20 06:37:43,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:37:43,816 INFO L93 Difference]: Finished difference Result 95 states and 119 transitions. [2021-11-20 06:37:43,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:37:43,820 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2021-11-20 06:37:43,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:37:43,827 INFO L225 Difference]: With dead ends: 95 [2021-11-20 06:37:43,827 INFO L226 Difference]: Without dead ends: 56 [2021-11-20 06:37:43,828 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:37:43,830 INFO L933 BasicCegarLoop]: 69 mSDtfsCounter, 13 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 06:37:43,831 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 121 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 06:37:43,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2021-11-20 06:37:43,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2021-11-20 06:37:43,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 44 states have (on average 1.3181818181818181) internal successors, (58), 49 states have internal predecessors, (58), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2021-11-20 06:37:43,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 70 transitions. [2021-11-20 06:37:43,859 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 70 transitions. Word has length 24 [2021-11-20 06:37:43,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:37:43,863 INFO L470 AbstractCegarLoop]: Abstraction has 56 states and 70 transitions. [2021-11-20 06:37:43,864 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-20 06:37:43,864 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 70 transitions. [2021-11-20 06:37:43,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-20 06:37:43,865 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:37:43,866 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:37:43,866 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 06:37:43,866 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:37:43,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:37:43,867 INFO L85 PathProgramCache]: Analyzing trace with hash 434754844, now seen corresponding path program 1 times [2021-11-20 06:37:43,867 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:37:43,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445890961] [2021-11-20 06:37:43,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:37:43,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:37:43,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:37:44,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 06:37:44,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:37:44,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:37:44,044 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:37:44,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445890961] [2021-11-20 06:37:44,045 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445890961] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:37:44,045 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:37:44,045 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 06:37:44,045 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375483655] [2021-11-20 06:37:44,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:37:44,046 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:37:44,046 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:37:44,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:37:44,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:37:44,047 INFO L87 Difference]: Start difference. First operand 56 states and 70 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-20 06:37:44,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:37:44,066 INFO L93 Difference]: Finished difference Result 105 states and 134 transitions. [2021-11-20 06:37:44,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:37:44,067 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2021-11-20 06:37:44,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:37:44,069 INFO L225 Difference]: With dead ends: 105 [2021-11-20 06:37:44,069 INFO L226 Difference]: Without dead ends: 56 [2021-11-20 06:37:44,070 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 06:37:44,072 INFO L933 BasicCegarLoop]: 68 mSDtfsCounter, 50 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-20 06:37:44,073 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 68 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-20 06:37:44,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2021-11-20 06:37:44,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2021-11-20 06:37:44,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 44 states have (on average 1.2954545454545454) internal successors, (57), 49 states have internal predecessors, (57), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2021-11-20 06:37:44,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 69 transitions. [2021-11-20 06:37:44,084 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 69 transitions. Word has length 29 [2021-11-20 06:37:44,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:37:44,084 INFO L470 AbstractCegarLoop]: Abstraction has 56 states and 69 transitions. [2021-11-20 06:37:44,085 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-20 06:37:44,085 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 69 transitions. [2021-11-20 06:37:44,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-20 06:37:44,092 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:37:44,092 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:37:44,093 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 06:37:44,093 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:37:44,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:37:44,094 INFO L85 PathProgramCache]: Analyzing trace with hash -863748242, now seen corresponding path program 1 times [2021-11-20 06:37:44,094 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:37:44,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527203441] [2021-11-20 06:37:44,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:37:44,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:37:44,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:37:44,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-20 06:37:44,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:37:44,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 06:37:44,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:37:44,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:37:44,249 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:37:44,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527203441] [2021-11-20 06:37:44,252 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527203441] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:37:44,252 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:37:44,252 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 06:37:44,253 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482711887] [2021-11-20 06:37:44,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:37:44,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:37:44,255 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:37:44,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:37:44,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:37:44,257 INFO L87 Difference]: Start difference. First operand 56 states and 69 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 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) [2021-11-20 06:37:44,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:37:44,441 INFO L93 Difference]: Finished difference Result 153 states and 195 transitions. [2021-11-20 06:37:44,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-20 06:37:44,442 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 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 34 [2021-11-20 06:37:44,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:37:44,445 INFO L225 Difference]: With dead ends: 153 [2021-11-20 06:37:44,445 INFO L226 Difference]: Without dead ends: 104 [2021-11-20 06:37:44,446 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-20 06:37:44,448 INFO L933 BasicCegarLoop]: 72 mSDtfsCounter, 41 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 06:37:44,449 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 326 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 06:37:44,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-11-20 06:37:44,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 101. [2021-11-20 06:37:44,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 78 states have (on average 1.294871794871795) internal successors, (101), 87 states have internal predecessors, (101), 12 states have call successors, (12), 10 states have call predecessors, (12), 10 states have return successors, (13), 10 states have call predecessors, (13), 12 states have call successors, (13) [2021-11-20 06:37:44,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 126 transitions. [2021-11-20 06:37:44,472 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 126 transitions. Word has length 34 [2021-11-20 06:37:44,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:37:44,473 INFO L470 AbstractCegarLoop]: Abstraction has 101 states and 126 transitions. [2021-11-20 06:37:44,473 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 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) [2021-11-20 06:37:44,473 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 126 transitions. [2021-11-20 06:37:44,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-20 06:37:44,476 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:37:44,476 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:37:44,477 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 06:37:44,477 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:37:44,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:37:44,478 INFO L85 PathProgramCache]: Analyzing trace with hash 263176306, now seen corresponding path program 1 times [2021-11-20 06:37:44,478 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:37:44,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411706065] [2021-11-20 06:37:44,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:37:44,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:37:44,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:37:44,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 06:37:44,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:37:44,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-20 06:37:44,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:37:44,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-20 06:37:44,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:37:44,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:37:44,628 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:37:44,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411706065] [2021-11-20 06:37:44,632 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411706065] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:37:44,633 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:37:44,633 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 06:37:44,633 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118081683] [2021-11-20 06:37:44,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:37:44,636 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:37:44,637 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:37:44,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:37:44,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:37:44,641 INFO L87 Difference]: Start difference. First operand 101 states and 126 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 06:37:44,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:37:44,872 INFO L93 Difference]: Finished difference Result 178 states and 223 transitions. [2021-11-20 06:37:44,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 06:37:44,873 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 38 [2021-11-20 06:37:44,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:37:44,874 INFO L225 Difference]: With dead ends: 178 [2021-11-20 06:37:44,874 INFO L226 Difference]: Without dead ends: 0 [2021-11-20 06:37:44,876 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-20 06:37:44,878 INFO L933 BasicCegarLoop]: 45 mSDtfsCounter, 45 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-20 06:37:44,879 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 129 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-20 06:37:44,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-20 06:37:44,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-20 06:37:44,880 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) [2021-11-20 06:37:44,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-20 06:37:44,881 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2021-11-20 06:37:44,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:37:44,881 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 06:37:44,882 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-20 06:37:44,882 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-20 06:37:44,882 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-20 06:37:44,885 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-20 06:37:44,886 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 06:37:44,889 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-20 06:37:45,481 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 251 257) no Hoare annotation was computed. [2021-11-20 06:37:45,482 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 251 257) the Hoare annotation is: true [2021-11-20 06:37:45,482 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 853 864) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2021-11-20 06:37:45,483 INFO L858 garLoopResultBuilder]: For program point L857-1(lines 853 864) no Hoare annotation was computed. [2021-11-20 06:37:45,483 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 853 864) no Hoare annotation was computed. [2021-11-20 06:37:45,483 INFO L854 garLoopResultBuilder]: At program point L316(lines 311 319) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0))) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2021-11-20 06:37:45,484 INFO L854 garLoopResultBuilder]: At program point L911(lines 906 914) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-11-20 06:37:45,484 INFO L858 garLoopResultBuilder]: For program point L238-1(lines 238 244) no Hoare annotation was computed. [2021-11-20 06:37:45,484 INFO L858 garLoopResultBuilder]: For program point L267(lines 267 275) no Hoare annotation was computed. [2021-11-20 06:37:45,485 INFO L858 garLoopResultBuilder]: For program point L263(lines 263 280) no Hoare annotation was computed. [2021-11-20 06:37:45,485 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 227 250) no Hoare annotation was computed. [2021-11-20 06:37:45,485 INFO L858 garLoopResultBuilder]: For program point L833(lines 833 837) no Hoare annotation was computed. [2021-11-20 06:37:45,485 INFO L858 garLoopResultBuilder]: For program point L65(lines 65 71) no Hoare annotation was computed. [2021-11-20 06:37:45,490 INFO L854 garLoopResultBuilder]: At program point L833-2(lines 829 840) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-11-20 06:37:45,491 INFO L858 garLoopResultBuilder]: For program point L61(lines 61 74) no Hoare annotation was computed. [2021-11-20 06:37:45,491 INFO L854 garLoopResultBuilder]: At program point L61-1(lines 53 77) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (= |timeShift___utac_acc__Specification1_spec__1_~tmp~0#1| 0) .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (= ~pumpRunning~0 0) .cse1))) [2021-11-20 06:37:45,491 INFO L858 garLoopResultBuilder]: For program point L821(line 821) no Hoare annotation was computed. [2021-11-20 06:37:45,492 INFO L854 garLoopResultBuilder]: At program point L371(lines 356 374) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-11-20 06:37:45,493 INFO L854 garLoopResultBuilder]: At program point L297(lines 292 299) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-11-20 06:37:45,493 INFO L858 garLoopResultBuilder]: For program point L231-1(lines 230 249) no Hoare annotation was computed. [2021-11-20 06:37:45,493 INFO L854 garLoopResultBuilder]: At program point L822(lines 817 824) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-11-20 06:37:45,494 INFO L854 garLoopResultBuilder]: At program point L273(line 273) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2021-11-20 06:37:45,494 INFO L854 garLoopResultBuilder]: At program point L59(line 59) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2021-11-20 06:37:45,494 INFO L858 garLoopResultBuilder]: For program point L59-1(line 59) no Hoare annotation was computed. [2021-11-20 06:37:45,495 INFO L854 garLoopResultBuilder]: At program point L278(line 278) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2021-11-20 06:37:45,495 INFO L854 garLoopResultBuilder]: At program point L278-1(lines 259 283) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2021-11-20 06:37:45,495 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 227 250) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2021-11-20 06:37:45,495 INFO L858 garLoopResultBuilder]: For program point L365(lines 365 369) no Hoare annotation was computed. [2021-11-20 06:37:45,496 INFO L858 garLoopResultBuilder]: For program point L365-2(lines 365 369) no Hoare annotation was computed. [2021-11-20 06:37:45,496 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 227 250) no Hoare annotation was computed. [2021-11-20 06:37:45,497 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 821) no Hoare annotation was computed. [2021-11-20 06:37:45,497 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 119 148) no Hoare annotation was computed. [2021-11-20 06:37:45,498 INFO L861 garLoopResultBuilder]: At program point L129-2(lines 129 143) the Hoare annotation is: true [2021-11-20 06:37:45,499 INFO L861 garLoopResultBuilder]: At program point L125(line 125) the Hoare annotation is: true [2021-11-20 06:37:45,499 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 119 148) the Hoare annotation is: true [2021-11-20 06:37:45,499 INFO L858 garLoopResultBuilder]: For program point L125-1(line 125) no Hoare annotation was computed. [2021-11-20 06:37:45,500 INFO L861 garLoopResultBuilder]: At program point L144(lines 119 148) the Hoare annotation is: true [2021-11-20 06:37:45,500 INFO L858 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-11-20 06:37:45,501 INFO L858 garLoopResultBuilder]: For program point L133(lines 133 137) no Hoare annotation was computed. [2021-11-20 06:37:45,501 INFO L861 garLoopResultBuilder]: At program point L133-1(lines 133 137) the Hoare annotation is: true [2021-11-20 06:37:45,501 INFO L858 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2021-11-20 06:37:45,506 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 865 873) the Hoare annotation is: true [2021-11-20 06:37:45,507 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 865 873) no Hoare annotation was computed. [2021-11-20 06:37:45,507 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 865 873) no Hoare annotation was computed. [2021-11-20 06:37:45,508 INFO L854 garLoopResultBuilder]: At program point L97(lines 93 99) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-11-20 06:37:45,508 INFO L861 garLoopResultBuilder]: At program point L213(lines 194 216) the Hoare annotation is: true [2021-11-20 06:37:45,511 INFO L854 garLoopResultBuilder]: At program point L180(lines 176 182) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-11-20 06:37:45,511 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 436) no Hoare annotation was computed. [2021-11-20 06:37:45,511 INFO L854 garLoopResultBuilder]: At program point L432-2(lines 424 437) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-20 06:37:45,512 INFO L858 garLoopResultBuilder]: For program point L395(lines 394 441) no Hoare annotation was computed. [2021-11-20 06:37:45,512 INFO L858 garLoopResultBuilder]: For program point L424(lines 424 437) no Hoare annotation was computed. [2021-11-20 06:37:45,512 INFO L854 garLoopResultBuilder]: At program point L416(line 416) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-20 06:37:45,512 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-20 06:37:45,513 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-20 06:37:45,513 INFO L861 garLoopResultBuilder]: At program point L445(lines 384 449) the Hoare annotation is: true [2021-11-20 06:37:45,513 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-20 06:37:45,513 INFO L858 garLoopResultBuilder]: For program point L404(lines 404 410) no Hoare annotation was computed. [2021-11-20 06:37:45,514 INFO L858 garLoopResultBuilder]: For program point L404-1(lines 404 410) no Hoare annotation was computed. [2021-11-20 06:37:45,514 INFO L858 garLoopResultBuilder]: For program point L396(lines 396 400) no Hoare annotation was computed. [2021-11-20 06:37:45,514 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-20 06:37:45,514 INFO L854 garLoopResultBuilder]: At program point L380(lines 375 382) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-20 06:37:45,515 INFO L854 garLoopResultBuilder]: At program point L442(lines 393 443) the Hoare annotation is: false [2021-11-20 06:37:45,515 INFO L854 garLoopResultBuilder]: At program point L112(lines 107 115) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-11-20 06:37:45,515 INFO L854 garLoopResultBuilder]: At program point L104(lines 100 106) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2021-11-20 06:37:45,515 INFO L861 garLoopResultBuilder]: At program point L191(lines 184 193) the Hoare annotation is: true [2021-11-20 06:37:45,516 INFO L858 garLoopResultBuilder]: For program point L414(lines 414 420) no Hoare annotation was computed. [2021-11-20 06:37:45,516 INFO L858 garLoopResultBuilder]: For program point L414-1(lines 414 420) no Hoare annotation was computed. [2021-11-20 06:37:45,516 INFO L854 garLoopResultBuilder]: At program point L439(lines 394 441) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-20 06:37:45,516 INFO L854 garLoopResultBuilder]: At program point L406(line 406) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-20 06:37:45,517 INFO L858 garLoopResultBuilder]: For program point L204(lines 204 211) no Hoare annotation was computed. [2021-11-20 06:37:45,517 INFO L858 garLoopResultBuilder]: For program point L204-2(lines 204 211) no Hoare annotation was computed. [2021-11-20 06:37:45,517 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 841 852) no Hoare annotation was computed. [2021-11-20 06:37:45,517 INFO L858 garLoopResultBuilder]: For program point L845-1(lines 841 852) no Hoare annotation was computed. [2021-11-20 06:37:45,518 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 841 852) the Hoare annotation is: true [2021-11-20 06:37:45,522 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-20 06:37:45,528 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 06:37:45,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 06:37:45 BoogieIcfgContainer [2021-11-20 06:37:45,575 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 06:37:45,576 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 06:37:45,576 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 06:37:45,577 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 06:37:45,577 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:37:42" (3/4) ... [2021-11-20 06:37:45,580 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-20 06:37:45,587 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-11-20 06:37:45,588 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-11-20 06:37:45,588 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-11-20 06:37:45,588 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-11-20 06:37:45,588 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-11-20 06:37:45,589 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-11-20 06:37:45,600 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2021-11-20 06:37:45,600 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-11-20 06:37:45,601 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-20 06:37:45,602 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-20 06:37:45,603 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-20 06:37:45,604 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-20 06:37:45,604 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-20 06:37:45,638 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2021-11-20 06:37:45,640 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) [2021-11-20 06:37:45,641 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || tmp == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) [2021-11-20 06:37:45,643 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) [2021-11-20 06:37:45,643 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2021-11-20 06:37:45,644 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2021-11-20 06:37:45,644 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2021-11-20 06:37:45,646 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || !(1 == systemActive) [2021-11-20 06:37:45,704 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed5a17f-d9f4-43f7-a4d2-118edf9eaf36/bin/uautomizer-DQz5hQGWxF/witness.graphml [2021-11-20 06:37:45,704 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 06:37:45,705 INFO L158 Benchmark]: Toolchain (without parser) took 4125.07ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 54.5MB in the beginning and 69.8MB in the end (delta: -15.3MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2021-11-20 06:37:45,706 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 90.2MB. Free memory was 71.5MB in the beginning and 71.4MB in the end (delta: 79.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:37:45,707 INFO L158 Benchmark]: CACSL2BoogieTranslator took 636.14ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 54.3MB in the beginning and 78.2MB in the end (delta: -23.9MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2021-11-20 06:37:45,707 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.35ms. Allocated memory is still 109.1MB. Free memory was 78.2MB in the beginning and 75.9MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-20 06:37:45,708 INFO L158 Benchmark]: Boogie Preprocessor took 57.43ms. Allocated memory is still 109.1MB. Free memory was 75.9MB in the beginning and 74.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:37:45,709 INFO L158 Benchmark]: RCFGBuilder took 618.76ms. Allocated memory is still 109.1MB. Free memory was 74.3MB in the beginning and 86.2MB in the end (delta: -11.9MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2021-11-20 06:37:45,709 INFO L158 Benchmark]: TraceAbstraction took 2611.74ms. Allocated memory is still 109.1MB. Free memory was 86.2MB in the beginning and 75.4MB in the end (delta: 10.7MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. [2021-11-20 06:37:45,710 INFO L158 Benchmark]: Witness Printer took 128.48ms. Allocated memory is still 109.1MB. Free memory was 75.4MB in the beginning and 69.8MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 06:37:45,717 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 90.2MB. Free memory was 71.5MB in the beginning and 71.4MB in the end (delta: 79.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 636.14ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 54.3MB in the beginning and 78.2MB in the end (delta: -23.9MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.35ms. Allocated memory is still 109.1MB. Free memory was 78.2MB in the beginning and 75.9MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.43ms. Allocated memory is still 109.1MB. Free memory was 75.9MB in the beginning and 74.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 618.76ms. Allocated memory is still 109.1MB. Free memory was 74.3MB in the beginning and 86.2MB in the end (delta: -11.9MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. * TraceAbstraction took 2611.74ms. Allocated memory is still 109.1MB. Free memory was 86.2MB in the beginning and 75.4MB in the end (delta: 10.7MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. * Witness Printer took 128.48ms. Allocated memory is still 109.1MB. Free memory was 75.4MB in the beginning and 69.8MB in the end (delta: 5.6MB). 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: 821]: 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 7 procedures, 74 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 155 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 149 mSDsluCounter, 735 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 390 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 93 IncrementalHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 345 mSDtfsCounter, 93 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=101occurred in iteration=4, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 191 PreInvPairs, 215 NumberOfFragments, 275 HoareAnnotationTreeSize, 191 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 34 FomulaSimplificationsInter, 501 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 148 NumberOfCodeBlocks, 148 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 143 ConstructedInterpolants, 0 QuantifiedInterpolants, 295 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive) - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 375]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 384]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 394]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || tmp == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 393]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || !(1 == systemActive) - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) RESULT: Ultimate proved your program to be correct! [2021-11-20 06:37:45,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ed5a17f-d9f4-43f7-a4d2-118edf9eaf36/bin/uautomizer-DQz5hQGWxF/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