./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82891c49-da2a-490a-86f6-5ba08a41ccb6/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82891c49-da2a-490a-86f6-5ba08a41ccb6/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82891c49-da2a-490a-86f6-5ba08a41ccb6/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82891c49-da2a-490a-86f6-5ba08a41ccb6/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82891c49-da2a-490a-86f6-5ba08a41ccb6/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82891c49-da2a-490a-86f6-5ba08a41ccb6/bin/uautomizer-GMMbpWq8iD --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 6e630fd4f7f92b97a7712eadcda02cdabe0d357899fc48fb3e7885213e7a8b80 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:06:56,947 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:06:56,952 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:06:57,021 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:06:57,022 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:06:57,028 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:06:57,032 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:06:57,037 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:06:57,041 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:06:57,051 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:06:57,053 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:06:57,055 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:06:57,056 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:06:57,060 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:06:57,064 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:06:57,072 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:06:57,076 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:06:57,077 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:06:57,081 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:06:57,088 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:06:57,093 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:06:57,095 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:06:57,104 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:06:57,106 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:06:57,115 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:06:57,116 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:06:57,116 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:06:57,120 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:06:57,120 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:06:57,122 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:06:57,124 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:06:57,125 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:06:57,128 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:06:57,129 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:06:57,132 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:06:57,132 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:06:57,133 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:06:57,134 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:06:57,134 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:06:57,135 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:06:57,136 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:06:57,137 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82891c49-da2a-490a-86f6-5ba08a41ccb6/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 23:06:57,202 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:06:57,202 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:06:57,203 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:06:57,204 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:06:57,206 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:06:57,206 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:06:57,207 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:06:57,207 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:06:57,207 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:06:57,208 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:06:57,209 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:06:57,210 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:06:57,210 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:06:57,210 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:06:57,211 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:06:57,211 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:06:57,211 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:06:57,212 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:06:57,212 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:06:57,212 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:06:57,213 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:06:57,213 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:06:57,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:06:57,214 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:06:57,214 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:06:57,214 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:06:57,215 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:06:57,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:06:57,215 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:06:57,217 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:06:57,218 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:06:57,218 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:06:57,218 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_82891c49-da2a-490a-86f6-5ba08a41ccb6/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82891c49-da2a-490a-86f6-5ba08a41ccb6/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e630fd4f7f92b97a7712eadcda02cdabe0d357899fc48fb3e7885213e7a8b80 [2021-10-28 23:06:57,572 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:06:57,607 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:06:57,610 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:06:57,612 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:06:57,613 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:06:57,614 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82891c49-da2a-490a-86f6-5ba08a41ccb6/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c [2021-10-28 23:06:57,723 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82891c49-da2a-490a-86f6-5ba08a41ccb6/bin/uautomizer-GMMbpWq8iD/data/d4b7d92ef/cfa72ce842664e0892942980054fe069/FLAG5394be7d9 [2021-10-28 23:06:58,392 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:06:58,393 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82891c49-da2a-490a-86f6-5ba08a41ccb6/sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c [2021-10-28 23:06:58,420 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82891c49-da2a-490a-86f6-5ba08a41ccb6/bin/uautomizer-GMMbpWq8iD/data/d4b7d92ef/cfa72ce842664e0892942980054fe069/FLAG5394be7d9 [2021-10-28 23:06:58,694 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82891c49-da2a-490a-86f6-5ba08a41ccb6/bin/uautomizer-GMMbpWq8iD/data/d4b7d92ef/cfa72ce842664e0892942980054fe069 [2021-10-28 23:06:58,698 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:06:58,700 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:06:58,702 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:06:58,702 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:06:58,707 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:06:58,708 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:06:58" (1/1) ... [2021-10-28 23:06:58,710 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fe43af7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:06:58, skipping insertion in model container [2021-10-28 23:06:58,710 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:06:58" (1/1) ... [2021-10-28 23:06:58,720 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:06:58,795 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:06:59,161 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82891c49-da2a-490a-86f6-5ba08a41ccb6/sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c[18234,18247] [2021-10-28 23:06:59,165 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:06:59,179 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:06:59,274 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82891c49-da2a-490a-86f6-5ba08a41ccb6/sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c[18234,18247] [2021-10-28 23:06:59,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:06:59,300 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:06:59,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:06:59 WrapperNode [2021-10-28 23:06:59,305 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:06:59,307 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:06:59,307 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:06:59,307 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:06:59,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:06:59" (1/1) ... [2021-10-28 23:06:59,340 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:06:59" (1/1) ... [2021-10-28 23:06:59,394 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:06:59,395 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:06:59,396 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:06:59,396 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:06:59,408 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:06:59" (1/1) ... [2021-10-28 23:06:59,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:06:59" (1/1) ... [2021-10-28 23:06:59,414 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:06:59" (1/1) ... [2021-10-28 23:06:59,415 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:06:59" (1/1) ... [2021-10-28 23:06:59,430 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:06:59" (1/1) ... [2021-10-28 23:06:59,452 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:06:59" (1/1) ... [2021-10-28 23:06:59,455 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:06:59" (1/1) ... [2021-10-28 23:06:59,460 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:06:59,472 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:06:59,472 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:06:59,472 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:06:59,474 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:06:59" (1/1) ... [2021-10-28 23:06:59,483 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:06:59,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82891c49-da2a-490a-86f6-5ba08a41ccb6/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:06:59,528 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82891c49-da2a-490a-86f6-5ba08a41ccb6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:06:59,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82891c49-da2a-490a-86f6-5ba08a41ccb6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:06:59,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:06:59,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:06:59,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:06:59,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:07:00,796 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:07:00,796 INFO L299 CfgBuilder]: Removed 128 assume(true) statements. [2021-10-28 23:07:00,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:07:00 BoogieIcfgContainer [2021-10-28 23:07:00,800 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:07:00,803 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:07:00,803 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:07:00,808 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:07:00,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:06:58" (1/3) ... [2021-10-28 23:07:00,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fbda9be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:07:00, skipping insertion in model container [2021-10-28 23:07:00,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:06:59" (2/3) ... [2021-10-28 23:07:00,812 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fbda9be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:07:00, skipping insertion in model container [2021-10-28 23:07:00,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:07:00" (3/3) ... [2021-10-28 23:07:00,817 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product41.cil.c [2021-10-28 23:07:00,824 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:07:00,825 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-28 23:07:00,914 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:07:00,930 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 [2021-10-28 23:07:00,931 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-28 23:07:00,961 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 92 states have (on average 1.5326086956521738) internal successors, (141), 95 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:07:00,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-28 23:07:00,970 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:07:00,971 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:07:00,972 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:07:00,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:07:00,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1151374926, now seen corresponding path program 1 times [2021-10-28 23:07:00,998 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:07:00,999 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343872262] [2021-10-28 23:07:00,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:07:01,000 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:07:01,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:07:01,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:07:01,447 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:07:01,447 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343872262] [2021-10-28 23:07:01,448 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343872262] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:07:01,449 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:07:01,449 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:07:01,462 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033462012] [2021-10-28 23:07:01,469 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 23:07:01,474 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:07:01,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 23:07:01,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 23:07:01,499 INFO L87 Difference]: Start difference. First operand has 96 states, 92 states have (on average 1.5326086956521738) internal successors, (141), 95 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:07:01,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:07:01,534 INFO L93 Difference]: Finished difference Result 185 states and 274 transitions. [2021-10-28 23:07:01,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 23:07:01,536 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-28 23:07:01,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:07:01,550 INFO L225 Difference]: With dead ends: 185 [2021-10-28 23:07:01,551 INFO L226 Difference]: Without dead ends: 92 [2021-10-28 23:07:01,555 INFO L786 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 [2021-10-28 23:07:01,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2021-10-28 23:07:01,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2021-10-28 23:07:01,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 89 states have (on average 1.449438202247191) internal successors, (129), 91 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:07:01,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 129 transitions. [2021-10-28 23:07:01,664 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 129 transitions. Word has length 19 [2021-10-28 23:07:01,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:07:01,664 INFO L470 AbstractCegarLoop]: Abstraction has 92 states and 129 transitions. [2021-10-28 23:07:01,665 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:07:01,665 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 129 transitions. [2021-10-28 23:07:01,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-28 23:07:01,666 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:07:01,667 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:07:01,667 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 23:07:01,667 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:07:01,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:07:01,676 INFO L85 PathProgramCache]: Analyzing trace with hash 654644627, now seen corresponding path program 1 times [2021-10-28 23:07:01,676 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:07:01,677 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935686949] [2021-10-28 23:07:01,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:07:01,677 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:07:01,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:07:01,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:07:01,871 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:07:01,871 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935686949] [2021-10-28 23:07:01,873 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935686949] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:07:01,873 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:07:01,873 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:07:01,874 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424780465] [2021-10-28 23:07:01,880 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:07:01,880 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:07:01,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:07:01,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:07:01,882 INFO L87 Difference]: Start difference. First operand 92 states and 129 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:07:01,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:07:01,909 INFO L93 Difference]: Finished difference Result 92 states and 129 transitions. [2021-10-28 23:07:01,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:07:01,910 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-10-28 23:07:01,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:07:01,912 INFO L225 Difference]: With dead ends: 92 [2021-10-28 23:07:01,912 INFO L226 Difference]: Without dead ends: 41 [2021-10-28 23:07:01,913 INFO L786 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 [2021-10-28 23:07:01,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2021-10-28 23:07:01,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2021-10-28 23:07:01,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 40 states have (on average 1.425) internal successors, (57), 40 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:07:01,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 57 transitions. [2021-10-28 23:07:01,920 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 57 transitions. Word has length 20 [2021-10-28 23:07:01,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:07:01,921 INFO L470 AbstractCegarLoop]: Abstraction has 41 states and 57 transitions. [2021-10-28 23:07:01,921 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:07:01,921 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 57 transitions. [2021-10-28 23:07:01,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-28 23:07:01,923 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:07:01,923 INFO L513 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] [2021-10-28 23:07:01,923 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 23:07:01,924 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:07:01,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:07:01,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1356458264, now seen corresponding path program 1 times [2021-10-28 23:07:01,925 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:07:01,925 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175847115] [2021-10-28 23:07:01,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:07:01,926 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:07:01,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:07:02,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:07:02,049 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:07:02,050 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175847115] [2021-10-28 23:07:02,050 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175847115] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:07:02,051 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:07:02,051 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:07:02,051 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633301135] [2021-10-28 23:07:02,052 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 23:07:02,052 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:07:02,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 23:07:02,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:07:02,054 INFO L87 Difference]: Start difference. First operand 41 states and 57 transitions. Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:07:02,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:07:02,258 INFO L93 Difference]: Finished difference Result 75 states and 107 transitions. [2021-10-28 23:07:02,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:07:02,259 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-28 23:07:02,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:07:02,261 INFO L225 Difference]: With dead ends: 75 [2021-10-28 23:07:02,261 INFO L226 Difference]: Without dead ends: 41 [2021-10-28 23:07:02,262 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-28 23:07:02,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2021-10-28 23:07:02,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2021-10-28 23:07:02,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 40 states have (on average 1.4) internal successors, (56), 40 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:07:02,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 56 transitions. [2021-10-28 23:07:02,269 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 56 transitions. Word has length 26 [2021-10-28 23:07:02,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:07:02,270 INFO L470 AbstractCegarLoop]: Abstraction has 41 states and 56 transitions. [2021-10-28 23:07:02,270 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:07:02,270 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2021-10-28 23:07:02,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-28 23:07:02,272 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:07:02,272 INFO L513 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] [2021-10-28 23:07:02,272 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 23:07:02,273 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:07:02,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:07:02,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1948968251, now seen corresponding path program 1 times [2021-10-28 23:07:02,274 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:07:02,274 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891723362] [2021-10-28 23:07:02,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:07:02,275 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:07:02,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:07:02,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:07:02,369 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:07:02,370 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891723362] [2021-10-28 23:07:02,373 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891723362] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:07:02,375 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:07:02,375 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:07:02,376 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736499678] [2021-10-28 23:07:02,377 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:07:02,377 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:07:02,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:07:02,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:07:02,380 INFO L87 Difference]: Start difference. First operand 41 states and 56 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:07:02,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:07:02,434 INFO L93 Difference]: Finished difference Result 99 states and 139 transitions. [2021-10-28 23:07:02,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:07:02,434 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-10-28 23:07:02,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:07:02,437 INFO L225 Difference]: With dead ends: 99 [2021-10-28 23:07:02,440 INFO L226 Difference]: Without dead ends: 65 [2021-10-28 23:07:02,440 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:07:02,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2021-10-28 23:07:02,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 63. [2021-10-28 23:07:02,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 62 states have (on average 1.403225806451613) internal successors, (87), 62 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:07:02,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 87 transitions. [2021-10-28 23:07:02,458 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 87 transitions. Word has length 27 [2021-10-28 23:07:02,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:07:02,459 INFO L470 AbstractCegarLoop]: Abstraction has 63 states and 87 transitions. [2021-10-28 23:07:02,459 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:07:02,459 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 87 transitions. [2021-10-28 23:07:02,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-28 23:07:02,462 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:07:02,462 INFO L513 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] [2021-10-28 23:07:02,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 23:07:02,463 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:07:02,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:07:02,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1806698503, now seen corresponding path program 1 times [2021-10-28 23:07:02,466 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:07:02,467 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206196459] [2021-10-28 23:07:02,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:07:02,471 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:07:02,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:07:02,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:07:02,628 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:07:02,628 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206196459] [2021-10-28 23:07:02,628 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206196459] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:07:02,628 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:07:02,629 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:07:02,629 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922175933] [2021-10-28 23:07:02,629 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:07:02,630 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:07:02,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:07:02,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:07:02,631 INFO L87 Difference]: Start difference. First operand 63 states and 87 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:07:02,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:07:02,785 INFO L93 Difference]: Finished difference Result 216 states and 304 transitions. [2021-10-28 23:07:02,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 23:07:02,786 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-28 23:07:02,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:07:02,793 INFO L225 Difference]: With dead ends: 216 [2021-10-28 23:07:02,793 INFO L226 Difference]: Without dead ends: 160 [2021-10-28 23:07:02,798 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-28 23:07:02,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2021-10-28 23:07:02,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 62. [2021-10-28 23:07:02,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 61 states have (on average 1.3770491803278688) internal successors, (84), 61 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:07:02,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 84 transitions. [2021-10-28 23:07:02,823 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 84 transitions. Word has length 33 [2021-10-28 23:07:02,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:07:02,824 INFO L470 AbstractCegarLoop]: Abstraction has 62 states and 84 transitions. [2021-10-28 23:07:02,825 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:07:02,826 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 84 transitions. [2021-10-28 23:07:02,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-28 23:07:02,836 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:07:02,836 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:07:02,836 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 23:07:02,837 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:07:02,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:07:02,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1255671478, now seen corresponding path program 1 times [2021-10-28 23:07:02,838 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:07:02,838 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641806320] [2021-10-28 23:07:02,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:07:02,838 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:07:02,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:07:02,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:07:02,955 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:07:02,956 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641806320] [2021-10-28 23:07:02,956 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641806320] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:07:02,956 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:07:02,956 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:07:02,957 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846075529] [2021-10-28 23:07:02,957 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:07:02,957 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:07:02,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:07:02,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:07:02,959 INFO L87 Difference]: Start difference. First operand 62 states and 84 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:07:03,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:07:03,027 INFO L93 Difference]: Finished difference Result 161 states and 220 transitions. [2021-10-28 23:07:03,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 23:07:03,028 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-10-28 23:07:03,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:07:03,034 INFO L225 Difference]: With dead ends: 161 [2021-10-28 23:07:03,034 INFO L226 Difference]: Without dead ends: 106 [2021-10-28 23:07:03,035 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:07:03,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2021-10-28 23:07:03,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 65. [2021-10-28 23:07:03,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 64 states have (on average 1.359375) internal successors, (87), 64 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:07:03,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 87 transitions. [2021-10-28 23:07:03,056 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 87 transitions. Word has length 36 [2021-10-28 23:07:03,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:07:03,059 INFO L470 AbstractCegarLoop]: Abstraction has 65 states and 87 transitions. [2021-10-28 23:07:03,060 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:07:03,060 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 87 transitions. [2021-10-28 23:07:03,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-28 23:07:03,061 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:07:03,061 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:07:03,061 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 23:07:03,061 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:07:03,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:07:03,062 INFO L85 PathProgramCache]: Analyzing trace with hash 244554228, now seen corresponding path program 1 times [2021-10-28 23:07:03,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:07:03,069 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55073276] [2021-10-28 23:07:03,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:07:03,070 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:07:03,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:07:03,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:07:03,179 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:07:03,179 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55073276] [2021-10-28 23:07:03,179 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55073276] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:07:03,180 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:07:03,181 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 23:07:03,181 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666742980] [2021-10-28 23:07:03,181 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 23:07:03,182 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:07:03,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 23:07:03,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:07:03,183 INFO L87 Difference]: Start difference. First operand 65 states and 87 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:07:03,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:07:03,291 INFO L93 Difference]: Finished difference Result 170 states and 229 transitions. [2021-10-28 23:07:03,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 23:07:03,291 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-10-28 23:07:03,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:07:03,293 INFO L225 Difference]: With dead ends: 170 [2021-10-28 23:07:03,293 INFO L226 Difference]: Without dead ends: 112 [2021-10-28 23:07:03,295 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-10-28 23:07:03,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2021-10-28 23:07:03,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 67. [2021-10-28 23:07:03,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 66 states have (on average 1.3484848484848484) internal successors, (89), 66 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:07:03,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 89 transitions. [2021-10-28 23:07:03,320 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 89 transitions. Word has length 36 [2021-10-28 23:07:03,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:07:03,320 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 89 transitions. [2021-10-28 23:07:03,321 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:07:03,321 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 89 transitions. [2021-10-28 23:07:03,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-28 23:07:03,322 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:07:03,322 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:07:03,323 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 23:07:03,323 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:07:03,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:07:03,324 INFO L85 PathProgramCache]: Analyzing trace with hash -776514126, now seen corresponding path program 1 times [2021-10-28 23:07:03,324 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:07:03,325 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775895088] [2021-10-28 23:07:03,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:07:03,325 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:07:03,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:07:03,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:07:03,405 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:07:03,405 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775895088] [2021-10-28 23:07:03,406 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775895088] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:07:03,406 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:07:03,406 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:07:03,406 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449564689] [2021-10-28 23:07:03,407 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:07:03,407 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:07:03,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:07:03,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:07:03,408 INFO L87 Difference]: Start difference. First operand 67 states and 89 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:07:03,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:07:03,447 INFO L93 Difference]: Finished difference Result 154 states and 206 transitions. [2021-10-28 23:07:03,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:07:03,447 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-10-28 23:07:03,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:07:03,449 INFO L225 Difference]: With dead ends: 154 [2021-10-28 23:07:03,449 INFO L226 Difference]: Without dead ends: 94 [2021-10-28 23:07:03,451 INFO L786 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 [2021-10-28 23:07:03,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2021-10-28 23:07:03,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2021-10-28 23:07:03,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 93 states have (on average 1.3118279569892473) internal successors, (122), 93 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:07:03,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 122 transitions. [2021-10-28 23:07:03,483 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 122 transitions. Word has length 36 [2021-10-28 23:07:03,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:07:03,484 INFO L470 AbstractCegarLoop]: Abstraction has 94 states and 122 transitions. [2021-10-28 23:07:03,484 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:07:03,484 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 122 transitions. [2021-10-28 23:07:03,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-28 23:07:03,486 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:07:03,487 INFO L513 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] [2021-10-28 23:07:03,487 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 23:07:03,487 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:07:03,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:07:03,488 INFO L85 PathProgramCache]: Analyzing trace with hash 2043974386, now seen corresponding path program 1 times [2021-10-28 23:07:03,488 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:07:03,489 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964504078] [2021-10-28 23:07:03,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:07:03,489 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:07:03,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:07:03,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:07:03,661 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:07:03,661 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964504078] [2021-10-28 23:07:03,661 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964504078] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:07:03,662 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:07:03,662 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 23:07:03,662 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598763078] [2021-10-28 23:07:03,662 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 23:07:03,663 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:07:03,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 23:07:03,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:07:03,664 INFO L87 Difference]: Start difference. First operand 94 states and 122 transitions. Second operand has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:07:04,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:07:04,061 INFO L93 Difference]: Finished difference Result 432 states and 585 transitions. [2021-10-28 23:07:04,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-28 23:07:04,063 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-10-28 23:07:04,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:07:04,069 INFO L225 Difference]: With dead ends: 432 [2021-10-28 23:07:04,070 INFO L226 Difference]: Without dead ends: 372 [2021-10-28 23:07:04,070 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2021-10-28 23:07:04,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2021-10-28 23:07:04,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 158. [2021-10-28 23:07:04,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 157 states have (on average 1.3184713375796178) internal successors, (207), 157 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:07:04,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 207 transitions. [2021-10-28 23:07:04,105 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 207 transitions. Word has length 37 [2021-10-28 23:07:04,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:07:04,106 INFO L470 AbstractCegarLoop]: Abstraction has 158 states and 207 transitions. [2021-10-28 23:07:04,106 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:07:04,106 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 207 transitions. [2021-10-28 23:07:04,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-28 23:07:04,108 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:07:04,108 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:07:04,108 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 23:07:04,109 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:07:04,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:07:04,109 INFO L85 PathProgramCache]: Analyzing trace with hash 146896004, now seen corresponding path program 1 times [2021-10-28 23:07:04,110 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:07:04,111 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182282495] [2021-10-28 23:07:04,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:07:04,112 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:07:04,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:07:04,248 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:07:04,249 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:07:04,249 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182282495] [2021-10-28 23:07:04,249 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182282495] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:07:04,249 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1231056735] [2021-10-28 23:07:04,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:07:04,250 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:07:04,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82891c49-da2a-490a-86f6-5ba08a41ccb6/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:07:04,256 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82891c49-da2a-490a-86f6-5ba08a41ccb6/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:07:04,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82891c49-da2a-490a-86f6-5ba08a41ccb6/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 23:07:04,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:07:04,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 23:07:04,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:07:04,792 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:07:04,793 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1231056735] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:07:04,793 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:07:04,793 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2021-10-28 23:07:04,793 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153468159] [2021-10-28 23:07:04,794 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-28 23:07:04,797 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:07:04,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-28 23:07:04,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-10-28 23:07:04,803 INFO L87 Difference]: Start difference. First operand 158 states and 207 transitions. Second operand has 10 states, 10 states have (on average 8.1) internal successors, (81), 10 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:07:05,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:07:05,097 INFO L93 Difference]: Finished difference Result 288 states and 383 transitions. [2021-10-28 23:07:05,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 23:07:05,098 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.1) internal successors, (81), 10 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-10-28 23:07:05,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:07:05,099 INFO L225 Difference]: With dead ends: 288 [2021-10-28 23:07:05,099 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 23:07:05,100 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2021-10-28 23:07:05,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 23:07:05,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 23:07:05,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:07:05,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 23:07:05,101 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2021-10-28 23:07:05,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:07:05,102 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:07:05,102 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.1) internal successors, (81), 10 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:07:05,102 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:07:05,102 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 23:07:05,105 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:07:05,106 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:07:05,107 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:07:05,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82891c49-da2a-490a-86f6-5ba08a41ccb6/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:07:05,320 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82891c49-da2a-490a-86f6-5ba08a41ccb6/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-10-28 23:07:05,322 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 23:07:05,327 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:07:05,329 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:07:05,330 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:07:05,333 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:07:05,450 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:07:05,451 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:07:05,521 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:07:05,523 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:07:05,573 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:07:05,574 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:07:05,576 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:07:05,578 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:07:05,579 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:07:05,581 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:07:05,594 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:07:05,635 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:07:05,673 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:07:05,730 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:07:05,731 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:07:05,762 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:07:05,764 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:07:05,765 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:07:05,816 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:07:05,819 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:07:05,820 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:07:05,821 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:07:05,830 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:07:05,831 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:07:05,833 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:07:05,834 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:07:05,835 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:07:05,836 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:07:05,837 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:07:05,838 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:07:05,863 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:07:05,864 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:07:05,938 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:07:05,954 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:07:05,955 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:07:05,955 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:07:05,956 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:07:05,958 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:07:05,959 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:07:07,992 INFO L857 garLoopResultBuilder]: For program point L349(lines 349 366) no Hoare annotation was computed. [2021-10-28 23:07:07,993 INFO L857 garLoopResultBuilder]: For program point L349-1(lines 349 366) no Hoare annotation was computed. [2021-10-28 23:07:07,993 INFO L857 garLoopResultBuilder]: For program point L349-2(lines 349 366) no Hoare annotation was computed. [2021-10-28 23:07:07,993 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 950) no Hoare annotation was computed. [2021-10-28 23:07:07,993 INFO L853 garLoopResultBuilder]: At program point L151(lines 146 154) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~1 1) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-28 23:07:07,994 INFO L853 garLoopResultBuilder]: At program point L151-1(lines 146 154) the Hoare annotation is: false [2021-10-28 23:07:07,994 INFO L857 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2021-10-28 23:07:07,994 INFO L853 garLoopResultBuilder]: At program point L151-2(lines 146 154) the Hoare annotation is: false [2021-10-28 23:07:07,994 INFO L857 garLoopResultBuilder]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2021-10-28 23:07:07,994 INFO L857 garLoopResultBuilder]: For program point L85-4(lines 85 91) no Hoare annotation was computed. [2021-10-28 23:07:07,994 INFO L860 garLoopResultBuilder]: At program point L300(lines 281 303) the Hoare annotation is: true [2021-10-28 23:07:07,995 INFO L853 garLoopResultBuilder]: At program point L69(lines 317 323) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ULTIMATE.start_main_~tmp~1 1)) (.cse6 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~waterLevel~0 1)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse6 .cse5) (and (<= 1 ~pumpRunning~0) .cse0 .cse3 .cse4 .cse6 .cse5 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0)))) [2021-10-28 23:07:07,995 INFO L853 garLoopResultBuilder]: At program point L69-1(lines 317 323) the Hoare annotation is: false [2021-10-28 23:07:07,995 INFO L853 garLoopResultBuilder]: At program point L69-2(lines 317 323) the Hoare annotation is: false [2021-10-28 23:07:07,995 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 23:07:07,995 INFO L853 garLoopResultBuilder]: At program point L317(lines 313 335) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_main_~tmp~1 1)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse5 (= ~waterLevel~0 1)) (and (<= 1 ~pumpRunning~0) .cse0 .cse2 .cse3 .cse4 .cse5 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0)))) [2021-10-28 23:07:07,996 INFO L853 garLoopResultBuilder]: At program point L317-1(lines 313 335) the Hoare annotation is: false [2021-10-28 23:07:07,996 INFO L853 garLoopResultBuilder]: At program point L317-2(lines 313 335) the Hoare annotation is: false [2021-10-28 23:07:07,996 INFO L857 garLoopResultBuilder]: For program point L218(lines 218 222) no Hoare annotation was computed. [2021-10-28 23:07:07,996 INFO L857 garLoopResultBuilder]: For program point L218-1(lines 218 222) no Hoare annotation was computed. [2021-10-28 23:07:07,996 INFO L857 garLoopResultBuilder]: For program point L500(lines 500 506) no Hoare annotation was computed. [2021-10-28 23:07:07,996 INFO L853 garLoopResultBuilder]: At program point L500-1(lines 500 506) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse8 (= ULTIMATE.start_main_~tmp~1 ~systemActive~0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ULTIMATE.start_main_~tmp~1 1)) (.cse5 (<= ~waterLevel~0 2)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse7 .cse8 .cse2 .cse3 .cse5 .cse6) (and .cse1 .cse7 .cse8 .cse3 .cse6 (= ~waterLevel~0 1)) (and .cse0 .cse1 .cse3 .cse4 .cse5 .cse6 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0)))) [2021-10-28 23:07:07,997 INFO L857 garLoopResultBuilder]: For program point L138(lines 138 142) no Hoare annotation was computed. [2021-10-28 23:07:07,997 INFO L857 garLoopResultBuilder]: For program point L386(lines 386 392) no Hoare annotation was computed. [2021-10-28 23:07:07,997 INFO L857 garLoopResultBuilder]: For program point L353(lines 353 361) no Hoare annotation was computed. [2021-10-28 23:07:07,997 INFO L857 garLoopResultBuilder]: For program point L353-1(lines 353 361) no Hoare annotation was computed. [2021-10-28 23:07:07,997 INFO L857 garLoopResultBuilder]: For program point L386-2(lines 386 392) no Hoare annotation was computed. [2021-10-28 23:07:07,997 INFO L857 garLoopResultBuilder]: For program point L353-2(lines 353 361) no Hoare annotation was computed. [2021-10-28 23:07:07,997 INFO L857 garLoopResultBuilder]: For program point L386-4(lines 386 392) no Hoare annotation was computed. [2021-10-28 23:07:07,997 INFO L857 garLoopResultBuilder]: For program point L469(lines 469 473) no Hoare annotation was computed. [2021-10-28 23:07:07,998 INFO L857 garLoopResultBuilder]: For program point L469-2(lines 469 473) no Hoare annotation was computed. [2021-10-28 23:07:07,998 INFO L857 garLoopResultBuilder]: For program point L469-3(lines 469 473) no Hoare annotation was computed. [2021-10-28 23:07:07,998 INFO L857 garLoopResultBuilder]: For program point L469-5(lines 469 473) no Hoare annotation was computed. [2021-10-28 23:07:07,998 INFO L857 garLoopResultBuilder]: For program point L469-6(lines 469 473) no Hoare annotation was computed. [2021-10-28 23:07:07,998 INFO L857 garLoopResultBuilder]: For program point L469-8(lines 469 473) no Hoare annotation was computed. [2021-10-28 23:07:07,998 INFO L853 garLoopResultBuilder]: At program point L420(lines 415 423) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse7 (<= 2 ~waterLevel~0)) (.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ULTIMATE.start_main_~tmp~1 1)) (.cse8 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse9 (<= 1 |ULTIMATE.start_isPumpRunning_#res|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~waterLevel~0 1)) (and .cse6 .cse0 .cse7 .cse3 .cse4 .cse8 .cse5 .cse9) (and .cse0 .cse1 .cse7 .cse2 .cse3 .cse4 .cse8 .cse5) (and .cse6 .cse0 .cse3 .cse4 .cse8 .cse5 .cse9 (<= 1 ~switchedOnBeforeTS~0)))) [2021-10-28 23:07:07,999 INFO L853 garLoopResultBuilder]: At program point L420-1(lines 415 423) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_main_~tmp~1 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse1 .cse2 .cse3 (= ~waterLevel~0 1)) (and (<= 1 ~pumpRunning~0) .cse0 .cse1 .cse2 (<= ~waterLevel~0 2) .cse3 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0)))) [2021-10-28 23:07:07,999 INFO L853 garLoopResultBuilder]: At program point L420-2(lines 415 423) the Hoare annotation is: false [2021-10-28 23:07:08,001 INFO L853 garLoopResultBuilder]: At program point L420-3(lines 415 423) the Hoare annotation is: false [2021-10-28 23:07:08,001 INFO L853 garLoopResultBuilder]: At program point L420-4(lines 415 423) the Hoare annotation is: false [2021-10-28 23:07:08,002 INFO L853 garLoopResultBuilder]: At program point L420-5(lines 415 423) the Hoare annotation is: false [2021-10-28 23:07:08,002 INFO L853 garLoopResultBuilder]: At program point L536(lines 489 537) the Hoare annotation is: false [2021-10-28 23:07:08,002 INFO L857 garLoopResultBuilder]: For program point L520(lines 520 531) no Hoare annotation was computed. [2021-10-28 23:07:08,003 INFO L853 garLoopResultBuilder]: At program point L933(lines 1 953) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 23:07:08,003 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 23:07:08,003 INFO L857 garLoopResultBuilder]: For program point L950(line 950) no Hoare annotation was computed. [2021-10-28 23:07:08,003 INFO L857 garLoopResultBuilder]: For program point L950-1(line 950) no Hoare annotation was computed. [2021-10-28 23:07:08,003 INFO L857 garLoopResultBuilder]: For program point L950-2(line 950) no Hoare annotation was computed. [2021-10-28 23:07:08,004 INFO L857 garLoopResultBuilder]: For program point L191(lines 191 197) no Hoare annotation was computed. [2021-10-28 23:07:08,004 INFO L857 garLoopResultBuilder]: For program point L191-1(lines 191 197) no Hoare annotation was computed. [2021-10-28 23:07:08,004 INFO L857 garLoopResultBuilder]: For program point L191-2(lines 191 197) no Hoare annotation was computed. [2021-10-28 23:07:08,012 INFO L853 garLoopResultBuilder]: At program point L59(lines 54 61) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~1 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1)) [2021-10-28 23:07:08,012 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 950) no Hoare annotation was computed. [2021-10-28 23:07:08,013 INFO L853 garLoopResultBuilder]: At program point L324(lines 324 330) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ULTIMATE.start_main_~tmp~1 1)) (.cse5 (<= ~waterLevel~0 2)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse3 .cse4 .cse6 (= ~waterLevel~0 1)) (and .cse7 .cse0 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse0 .cse3 .cse4 .cse5 .cse6 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0)))) [2021-10-28 23:07:08,013 INFO L857 garLoopResultBuilder]: For program point L291(lines 291 298) no Hoare annotation was computed. [2021-10-28 23:07:08,013 INFO L853 garLoopResultBuilder]: At program point L324-1(lines 324 330) the Hoare annotation is: false [2021-10-28 23:07:08,013 INFO L853 garLoopResultBuilder]: At program point L324-2(lines 324 330) the Hoare annotation is: false [2021-10-28 23:07:08,014 INFO L860 garLoopResultBuilder]: At program point L291-1(lines 291 298) the Hoare annotation is: true [2021-10-28 23:07:08,014 INFO L857 garLoopResultBuilder]: For program point L126(lines 126 130) no Hoare annotation was computed. [2021-10-28 23:07:08,014 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 23:07:08,014 INFO L857 garLoopResultBuilder]: For program point L491(lines 490 535) no Hoare annotation was computed. [2021-10-28 23:07:08,014 INFO L853 garLoopResultBuilder]: At program point L475(lines 460 478) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_main_~tmp~1 1)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 (<= ~waterLevel~0 2) .cse4) (and .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) (not (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0)) .cse2 .cse3 .cse4 (= ~waterLevel~0 1)))) [2021-10-28 23:07:08,014 INFO L853 garLoopResultBuilder]: At program point L475-1(lines 460 478) the Hoare annotation is: false [2021-10-28 23:07:08,015 INFO L853 garLoopResultBuilder]: At program point L475-2(lines 460 478) the Hoare annotation is: false [2021-10-28 23:07:08,015 INFO L857 garLoopResultBuilder]: For program point L492(lines 492 496) no Hoare annotation was computed. [2021-10-28 23:07:08,015 INFO L857 garLoopResultBuilder]: For program point L80(lines 80 97) no Hoare annotation was computed. [2021-10-28 23:07:08,015 INFO L853 garLoopResultBuilder]: At program point L80-1(lines 1 953) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse3 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0 2)) (.cse5 (<= |ULTIMATE.start_getWaterLevel_#res| 2)) (.cse9 (<= 2 |ULTIMATE.start_getWaterLevel_#res|)) (.cse10 (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~0)) (.cse11 (= ~pumpRunning~0 0)) (.cse12 (= ULTIMATE.start_main_~tmp~1 ~systemActive~0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse6 (= ULTIMATE.start_main_~tmp~1 1)) (.cse7 (<= ~waterLevel~0 2)) (.cse8 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse1 .cse11 .cse12 .cse2 .cse3 .cse4 .cse5 .cse7 .cse8 .cse9 .cse10) (and .cse1 .cse11 .cse12 .cse4 .cse8 (= ~waterLevel~0 1)) (and .cse0 .cse1 .cse4 .cse6 .cse7 .cse8 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0)))) [2021-10-28 23:07:08,015 INFO L857 garLoopResultBuilder]: For program point L526(lines 526 530) no Hoare annotation was computed. [2021-10-28 23:07:08,016 INFO L857 garLoopResultBuilder]: For program point L80-2(lines 80 97) no Hoare annotation was computed. [2021-10-28 23:07:08,016 INFO L853 garLoopResultBuilder]: At program point L80-3(lines 1 953) the Hoare annotation is: false [2021-10-28 23:07:08,016 INFO L857 garLoopResultBuilder]: For program point L526-2(lines 520 531) no Hoare annotation was computed. [2021-10-28 23:07:08,016 INFO L857 garLoopResultBuilder]: For program point L80-4(lines 80 97) no Hoare annotation was computed. [2021-10-28 23:07:08,016 INFO L853 garLoopResultBuilder]: At program point L80-5(lines 1 953) the Hoare annotation is: false [2021-10-28 23:07:08,017 INFO L853 garLoopResultBuilder]: At program point L196(lines 187 200) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_main_~tmp~1 1)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 (<= ~waterLevel~0 2) .cse4) (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 .cse2 .cse3 .cse4 (= ~waterLevel~0 1)))) [2021-10-28 23:07:08,017 INFO L853 garLoopResultBuilder]: At program point L196-1(lines 187 200) the Hoare annotation is: false [2021-10-28 23:07:08,017 INFO L853 garLoopResultBuilder]: At program point L196-2(lines 187 200) the Hoare annotation is: false [2021-10-28 23:07:08,017 INFO L857 garLoopResultBuilder]: For program point L510(lines 510 516) no Hoare annotation was computed. [2021-10-28 23:07:08,017 INFO L853 garLoopResultBuilder]: At program point L510-1(lines 510 516) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse8 (= ULTIMATE.start_main_~tmp~1 ~systemActive~0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ULTIMATE.start_main_~tmp~1 1)) (.cse5 (<= ~waterLevel~0 2)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse7 .cse8 .cse2 .cse3 .cse5 .cse6) (and .cse1 .cse7 .cse8 .cse3 .cse6 (= ~waterLevel~0 1)) (and .cse0 .cse1 .cse3 .cse4 .cse5 .cse6 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0)))) [2021-10-28 23:07:08,018 INFO L853 garLoopResultBuilder]: At program point L411(lines 404 414) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~1 1) (<= ~waterLevel~0 2) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-28 23:07:08,018 INFO L853 garLoopResultBuilder]: At program point L411-1(lines 404 414) the Hoare annotation is: false [2021-10-28 23:07:08,018 INFO L853 garLoopResultBuilder]: At program point L411-2(lines 404 414) the Hoare annotation is: false [2021-10-28 23:07:08,018 INFO L857 garLoopResultBuilder]: For program point L114(lines 114 118) no Hoare annotation was computed. [2021-10-28 23:07:08,018 INFO L857 garLoopResultBuilder]: For program point L114-3(lines 114 118) no Hoare annotation was computed. [2021-10-28 23:07:08,018 INFO L857 garLoopResultBuilder]: For program point L114-6(lines 114 118) no Hoare annotation was computed. [2021-10-28 23:07:08,019 INFO L853 garLoopResultBuilder]: At program point L263(lines 259 265) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ULTIMATE.start_main_~tmp~1 1) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1)) [2021-10-28 23:07:08,019 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 23:07:08,019 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 950) no Hoare annotation was computed. [2021-10-28 23:07:08,019 INFO L853 garLoopResultBuilder]: At program point L214-2(lines 214 228) the Hoare annotation is: false [2021-10-28 23:07:08,019 INFO L853 garLoopResultBuilder]: At program point L941(lines 936 944) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1)) [2021-10-28 23:07:08,019 INFO L857 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-10-28 23:07:08,020 INFO L853 garLoopResultBuilder]: At program point L183(lines 178 186) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse4 (<= |ULTIMATE.start_getWaterLevel_#res| 2)) (.cse8 (<= 2 |ULTIMATE.start_getWaterLevel_#res|)) (.cse9 (<= 1 ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse5 (= ULTIMATE.start_main_~tmp~1 1)) (.cse6 (<= ~waterLevel~0 2)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse3 .cse5 .cse7 (= ~waterLevel~0 1)) (and .cse9 .cse0 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse0 .cse3 .cse5 .cse6 .cse7 (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (<= 1 ~switchedOnBeforeTS~0)))) [2021-10-28 23:07:08,020 INFO L853 garLoopResultBuilder]: At program point L183-1(lines 178 186) the Hoare annotation is: false [2021-10-28 23:07:08,020 INFO L853 garLoopResultBuilder]: At program point L183-2(lines 178 186) the Hoare annotation is: false [2021-10-28 23:07:08,020 INFO L857 garLoopResultBuilder]: For program point L84(lines 84 94) no Hoare annotation was computed. [2021-10-28 23:07:08,020 INFO L857 garLoopResultBuilder]: For program point L84-2(lines 84 94) no Hoare annotation was computed. [2021-10-28 23:07:08,021 INFO L857 garLoopResultBuilder]: For program point L84-4(lines 84 94) no Hoare annotation was computed. [2021-10-28 23:07:08,032 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:07:08,035 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:07:08,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:07:08 BoogieIcfgContainer [2021-10-28 23:07:08,096 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:07:08,097 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:07:08,097 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:07:08,097 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:07:08,098 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:07:00" (3/4) ... [2021-10-28 23:07:08,103 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 23:07:08,136 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-28 23:07:08,137 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-28 23:07:08,138 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-28 23:07:08,139 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-28 23:07:08,141 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 23:07:08,142 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:07:08,143 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:07:08,188 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && 1 == systemActive) && \result == 1) && waterLevel == 1 [2021-10-28 23:07:08,188 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && 1 == systemActive) && tmp == 1) && \result == 1) && waterLevel == 1 [2021-10-28 23:07:08,188 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && 1 == systemActive) && tmp == 1) && \result == 1) && waterLevel == 1 [2021-10-28 23:07:08,189 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && tmp <= 2) && 1 == systemActive) && \result <= 2) && tmp == 1) && waterLevel <= 2) && \result == 1) && 2 <= \result) && 1 < tmp) || ((((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == systemActive) && 2 <= waterLevel) && tmp <= 2) && 1 == systemActive) && \result <= 2) && waterLevel <= 2) && \result == 1) && 2 <= \result) && 1 < tmp)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == systemActive) && 1 == systemActive) && \result == 1) && waterLevel == 1)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) [2021-10-28 23:07:08,190 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) || ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == systemActive) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == systemActive) && 1 == systemActive) && \result == 1) && waterLevel == 1)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) [2021-10-28 23:07:08,191 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) || ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == systemActive) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == systemActive) && 1 == systemActive) && \result == 1) && waterLevel == 1)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) [2021-10-28 23:07:08,193 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && waterLevel == 1) || (((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && \result == 0) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) [2021-10-28 23:07:08,194 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && waterLevel == 1) || (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && \result == 0) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) [2021-10-28 23:07:08,194 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && waterLevel == 1)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) [2021-10-28 23:07:08,194 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && waterLevel == 1)) || ((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) [2021-10-28 23:07:08,196 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && \result <= 2) && tmp == 1) && waterLevel <= 2) && \result == 1) && 2 <= \result) || (((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && waterLevel == 1)) || ((((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && \result <= 2) && tmp == 1) && waterLevel <= 2) && \result == 1) && 2 <= \result)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) [2021-10-28 23:07:08,197 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) || ((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && waterLevel == 1) [2021-10-28 23:07:08,198 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && waterLevel == 1) || (((((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) [2021-10-28 23:07:08,199 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) || ((((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && \result == 0) && !(tmp == 0)) && 1 == systemActive) && tmp == 1) && \result == 1) && waterLevel == 1) [2021-10-28 23:07:08,210 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1 [2021-10-28 23:07:08,210 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1 [2021-10-28 23:07:08,287 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82891c49-da2a-490a-86f6-5ba08a41ccb6/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:07:08,287 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:07:08,289 INFO L168 Benchmark]: Toolchain (without parser) took 9588.02 ms. Allocated memory was 83.9 MB in the beginning and 125.8 MB in the end (delta: 41.9 MB). Free memory was 46.2 MB in the beginning and 72.6 MB in the end (delta: -26.4 MB). Peak memory consumption was 14.9 MB. Max. memory is 16.1 GB. [2021-10-28 23:07:08,289 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 83.9 MB. Free memory is still 63.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:07:08,291 INFO L168 Benchmark]: CACSL2BoogieTranslator took 603.93 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 45.9 MB in the beginning and 68.2 MB in the end (delta: -22.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:07:08,291 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.81 ms. Allocated memory is still 100.7 MB. Free memory was 68.2 MB in the beginning and 64.9 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:07:08,291 INFO L168 Benchmark]: Boogie Preprocessor took 75.29 ms. Allocated memory is still 100.7 MB. Free memory was 64.9 MB in the beginning and 62.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:07:08,292 INFO L168 Benchmark]: RCFGBuilder took 1328.59 ms. Allocated memory is still 100.7 MB. Free memory was 62.8 MB in the beginning and 58.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 26.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:07:08,292 INFO L168 Benchmark]: TraceAbstraction took 7293.55 ms. Allocated memory was 100.7 MB in the beginning and 125.8 MB in the end (delta: 25.2 MB). Free memory was 58.3 MB in the beginning and 81.0 MB in the end (delta: -22.7 MB). Peak memory consumption was 62.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:07:08,293 INFO L168 Benchmark]: Witness Printer took 190.16 ms. Allocated memory is still 125.8 MB. Free memory was 81.0 MB in the beginning and 72.6 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:07:08,295 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 83.9 MB. Free memory is still 63.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 603.93 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 45.9 MB in the beginning and 68.2 MB in the end (delta: -22.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 87.81 ms. Allocated memory is still 100.7 MB. Free memory was 68.2 MB in the beginning and 64.9 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 75.29 ms. Allocated memory is still 100.7 MB. Free memory was 64.9 MB in the beginning and 62.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1328.59 ms. Allocated memory is still 100.7 MB. Free memory was 62.8 MB in the beginning and 58.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 26.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7293.55 ms. Allocated memory was 100.7 MB in the beginning and 125.8 MB in the end (delta: 25.2 MB). Free memory was 58.3 MB in the beginning and 81.0 MB in the end (delta: -22.7 MB). Peak memory consumption was 62.2 MB. Max. memory is 16.1 GB. * Witness Printer took 190.16 ms. Allocated memory is still 125.8 MB. Free memory was 81.0 MB in the beginning and 72.6 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s 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: 950]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 950]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 950]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 96 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 7.1s, OverallIterations: 10, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.6s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 823 SDtfs, 1329 SDslu, 1170 SDs, 0 SdLazy, 201 SolverSat, 55 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 128 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=158occurred in iteration=9, InterpolantAutomatonStates: 56, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 400 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 97 NumberOfFragments, 990 HoareAnnotationTreeSize, 43 FomulaSimplifications, 22412 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 43 FomulaSimplificationsInter, 5551 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 378 NumberOfCodeBlocks, 378 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 367 ConstructedInterpolants, 0 QuantifiedInterpolants, 802 SizeOfPredicates, 3 NumberOfNonLiveVariables, 435 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 == systemActive) && tmp == 1) && \result == 1) && waterLevel == 1 - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && waterLevel == 1)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && 1 == systemActive) && \result == 1) && waterLevel == 1 - InvariantResult [Line: 415]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && waterLevel == 1) || (((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && \result == 0) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) || ((((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && \result == 0) && !(tmp == 0)) && 1 == systemActive) && tmp == 1) && \result == 1) && waterLevel == 1) - InvariantResult [Line: 415]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 415]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && waterLevel == 1) || (((((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && waterLevel == 1) || (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && \result == 0) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && tmp <= 2) && 1 == systemActive) && \result <= 2) && tmp == 1) && waterLevel <= 2) && \result == 1) && 2 <= \result) && 1 < tmp) || ((((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == systemActive) && 2 <= waterLevel) && tmp <= 2) && 1 == systemActive) && \result <= 2) && waterLevel <= 2) && \result == 1) && 2 <= \result) && 1 < tmp)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == systemActive) && 1 == systemActive) && \result == 1) && waterLevel == 1)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && waterLevel == 1)) || ((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) - InvariantResult [Line: 415]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1 - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) || ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == systemActive) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == systemActive) && 1 == systemActive) && \result == 1) && waterLevel == 1)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1 - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 415]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 == systemActive) && tmp == 1) && \result == 1) && waterLevel == 1 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: ((((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && \result <= 2) && tmp == 1) && waterLevel <= 2) && \result == 1) && 2 <= \result) || (((((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && waterLevel == 1)) || ((((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && \result <= 2) && tmp == 1) && waterLevel <= 2) && \result == 1) && 2 <= \result)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) - InvariantResult [Line: 460]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 415]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 510]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) || ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == systemActive) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && \result == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == systemActive) && 1 == systemActive) && \result == 1) && waterLevel == 1)) || (((((((1 <= pumpRunning && splverifierCounter == 0) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) && 1 <= \result) && 1 <= switchedOnBeforeTS) - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && waterLevel <= 2) && \result == 1) || ((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && 1 == systemActive) && tmp == 1) && \result == 1) && waterLevel == 1) - InvariantResult [Line: 489]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-28 23:07:08,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82891c49-da2a-490a-86f6-5ba08a41ccb6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...