./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product40.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_f269e0fa-ac42-477b-bd81-0a4a57f48c33/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f269e0fa-ac42-477b-bd81-0a4a57f48c33/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_f269e0fa-ac42-477b-bd81-0a4a57f48c33/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f269e0fa-ac42-477b-bd81-0a4a57f48c33/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product40.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f269e0fa-ac42-477b-bd81-0a4a57f48c33/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_f269e0fa-ac42-477b-bd81-0a4a57f48c33/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 31801b0d0a8db366707af3e7371b9dc02f7c34625c63f4c3f856015d4449b4b2 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 23:29:21,377 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:29:21,381 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:29:21,448 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:29:21,449 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:29:21,456 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:29:21,460 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:29:21,465 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:29:21,468 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:29:21,477 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:29:21,479 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:29:21,481 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:29:21,482 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:29:21,485 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:29:21,488 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:29:21,492 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:29:21,494 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:29:21,496 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:29:21,505 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:29:21,509 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:29:21,517 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:29:21,520 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:29:21,521 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:29:21,525 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:29:21,533 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:29:21,533 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:29:21,534 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:29:21,537 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:29:21,537 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:29:21,539 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:29:21,540 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:29:21,541 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:29:21,543 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:29:21,545 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:29:21,548 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:29:21,548 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:29:21,549 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:29:21,550 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:29:21,550 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:29:21,551 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:29:21,553 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:29:21,554 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f269e0fa-ac42-477b-bd81-0a4a57f48c33/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 23:29:21,608 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:29:21,608 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:29:21,609 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:29:21,616 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:29:21,618 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:29:21,619 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:29:21,619 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:29:21,619 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:29:21,620 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:29:21,620 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:29:21,621 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:29:21,622 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:29:21,622 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:29:21,622 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:29:21,622 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:29:21,623 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:29:21,623 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:29:21,623 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:29:21,623 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:29:21,624 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:29:21,624 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:29:21,624 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:29:21,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:29:21,625 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:29:21,625 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:29:21,626 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:29:21,626 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:29:21,626 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:29:21,626 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:29:21,628 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:29:21,629 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:29:21,629 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:29:21,629 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_f269e0fa-ac42-477b-bd81-0a4a57f48c33/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f269e0fa-ac42-477b-bd81-0a4a57f48c33/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31801b0d0a8db366707af3e7371b9dc02f7c34625c63f4c3f856015d4449b4b2 [2021-10-28 23:29:22,003 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:29:22,047 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:29:22,050 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:29:22,051 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:29:22,052 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:29:22,053 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f269e0fa-ac42-477b-bd81-0a4a57f48c33/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/product-lines/minepump_spec5_product40.cil.c [2021-10-28 23:29:22,150 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f269e0fa-ac42-477b-bd81-0a4a57f48c33/bin/uautomizer-GMMbpWq8iD/data/c3f0f358d/da0fd932e04a4161ac48948245d2e622/FLAGf0a636fd1 [2021-10-28 23:29:22,677 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:29:22,677 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f269e0fa-ac42-477b-bd81-0a4a57f48c33/sv-benchmarks/c/product-lines/minepump_spec5_product40.cil.c [2021-10-28 23:29:22,697 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f269e0fa-ac42-477b-bd81-0a4a57f48c33/bin/uautomizer-GMMbpWq8iD/data/c3f0f358d/da0fd932e04a4161ac48948245d2e622/FLAGf0a636fd1 [2021-10-28 23:29:23,006 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f269e0fa-ac42-477b-bd81-0a4a57f48c33/bin/uautomizer-GMMbpWq8iD/data/c3f0f358d/da0fd932e04a4161ac48948245d2e622 [2021-10-28 23:29:23,010 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:29:23,012 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:29:23,017 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:29:23,017 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:29:23,021 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:29:23,022 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:29:23" (1/1) ... [2021-10-28 23:29:23,025 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c1fce7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:29:23, skipping insertion in model container [2021-10-28 23:29:23,025 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:29:23" (1/1) ... [2021-10-28 23:29:23,033 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:29:23,090 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:29:23,399 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_f269e0fa-ac42-477b-bd81-0a4a57f48c33/sv-benchmarks/c/product-lines/minepump_spec5_product40.cil.c[17098,17111] [2021-10-28 23:29:23,412 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:29:23,430 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:29:23,538 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_f269e0fa-ac42-477b-bd81-0a4a57f48c33/sv-benchmarks/c/product-lines/minepump_spec5_product40.cil.c[17098,17111] [2021-10-28 23:29:23,548 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:29:23,582 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:29:23,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:29:23 WrapperNode [2021-10-28 23:29:23,583 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:29:23,585 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:29:23,585 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:29:23,585 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:29:23,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:29:23" (1/1) ... [2021-10-28 23:29:23,614 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:29:23" (1/1) ... [2021-10-28 23:29:23,681 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:29:23,682 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:29:23,683 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:29:23,683 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:29:23,692 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:29:23" (1/1) ... [2021-10-28 23:29:23,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:29:23" (1/1) ... [2021-10-28 23:29:23,700 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:29:23" (1/1) ... [2021-10-28 23:29:23,700 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:29:23" (1/1) ... [2021-10-28 23:29:23,726 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:29:23" (1/1) ... [2021-10-28 23:29:23,740 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:29:23" (1/1) ... [2021-10-28 23:29:23,752 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:29:23" (1/1) ... [2021-10-28 23:29:23,757 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:29:23,758 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:29:23,759 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:29:23,759 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:29:23,760 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:29:23" (1/1) ... [2021-10-28 23:29:23,769 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:29:23,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f269e0fa-ac42-477b-bd81-0a4a57f48c33/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:29:23,798 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f269e0fa-ac42-477b-bd81-0a4a57f48c33/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:29:23,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f269e0fa-ac42-477b-bd81-0a4a57f48c33/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:29:23,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:29:23,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:29:23,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:29:23,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:29:25,110 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:29:25,110 INFO L299 CfgBuilder]: Removed 176 assume(true) statements. [2021-10-28 23:29:25,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:29:25 BoogieIcfgContainer [2021-10-28 23:29:25,113 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:29:25,115 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:29:25,115 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:29:25,118 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:29:25,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:29:23" (1/3) ... [2021-10-28 23:29:25,120 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30e82258 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:29:25, skipping insertion in model container [2021-10-28 23:29:25,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:29:23" (2/3) ... [2021-10-28 23:29:25,120 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30e82258 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:29:25, skipping insertion in model container [2021-10-28 23:29:25,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:29:25" (3/3) ... [2021-10-28 23:29:25,122 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product40.cil.c [2021-10-28 23:29:25,128 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:29:25,128 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-28 23:29:25,178 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:29:25,185 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 23:29:25,185 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-28 23:29:25,203 INFO L276 IsEmpty]: Start isEmpty. Operand has 122 states, 118 states have (on average 1.5508474576271187) internal successors, (183), 121 states have internal predecessors, (183), 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 23:29:25,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-28 23:29:25,210 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:29:25,211 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 23:29:25,211 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 23:29:25,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:29:25,218 INFO L85 PathProgramCache]: Analyzing trace with hash -570084669, now seen corresponding path program 1 times [2021-10-28 23:29:25,226 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:29:25,227 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884837049] [2021-10-28 23:29:25,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:29:25,228 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:29:25,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:29:25,610 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 23:29:25,611 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:29:25,611 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884837049] [2021-10-28 23:29:25,612 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884837049] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:29:25,612 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:29:25,613 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:29:25,615 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167723861] [2021-10-28 23:29:25,621 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 23:29:25,621 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:29:25,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 23:29:25,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 23:29:25,645 INFO L87 Difference]: Start difference. First operand has 122 states, 118 states have (on average 1.5508474576271187) internal successors, (183), 121 states have internal predecessors, (183), 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 23:29:25,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:29:25,709 INFO L93 Difference]: Finished difference Result 237 states and 358 transitions. [2021-10-28 23:29:25,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 23:29:25,711 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 23:29:25,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:29:25,729 INFO L225 Difference]: With dead ends: 237 [2021-10-28 23:29:25,729 INFO L226 Difference]: Without dead ends: 118 [2021-10-28 23:29:25,733 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 23:29:25,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2021-10-28 23:29:25,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2021-10-28 23:29:25,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 115 states have (on average 1.4869565217391305) internal successors, (171), 117 states have internal predecessors, (171), 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 23:29:25,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 171 transitions. [2021-10-28 23:29:25,788 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 171 transitions. Word has length 19 [2021-10-28 23:29:25,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:29:25,790 INFO L470 AbstractCegarLoop]: Abstraction has 118 states and 171 transitions. [2021-10-28 23:29:25,790 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 23:29:25,791 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 171 transitions. [2021-10-28 23:29:25,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-28 23:29:25,795 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:29:25,795 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 23:29:25,796 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 23:29:25,796 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 23:29:25,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:29:25,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1235934884, now seen corresponding path program 1 times [2021-10-28 23:29:25,801 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:29:25,801 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073039057] [2021-10-28 23:29:25,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:29:25,802 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:29:25,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:29:25,953 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 23:29:25,954 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:29:25,954 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073039057] [2021-10-28 23:29:25,954 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073039057] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:29:25,955 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:29:25,955 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:29:25,955 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872099517] [2021-10-28 23:29:25,957 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:29:25,957 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:29:25,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:29:25,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:29:25,959 INFO L87 Difference]: Start difference. First operand 118 states and 171 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 23:29:25,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:29:25,972 INFO L93 Difference]: Finished difference Result 118 states and 171 transitions. [2021-10-28 23:29:25,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:29:25,979 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 23:29:25,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:29:25,981 INFO L225 Difference]: With dead ends: 118 [2021-10-28 23:29:25,981 INFO L226 Difference]: Without dead ends: 51 [2021-10-28 23:29:25,983 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 23:29:25,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2021-10-28 23:29:25,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2021-10-28 23:29:25,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 50 states have (on average 1.46) internal successors, (73), 50 states have internal predecessors, (73), 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 23:29:25,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 73 transitions. [2021-10-28 23:29:25,991 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 73 transitions. Word has length 20 [2021-10-28 23:29:25,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:29:25,991 INFO L470 AbstractCegarLoop]: Abstraction has 51 states and 73 transitions. [2021-10-28 23:29:25,991 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 23:29:25,992 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2021-10-28 23:29:25,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-28 23:29:25,993 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:29:25,993 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 23:29:25,993 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 23:29:26,001 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 23:29:26,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:29:26,002 INFO L85 PathProgramCache]: Analyzing trace with hash -807039390, now seen corresponding path program 1 times [2021-10-28 23:29:26,003 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:29:26,003 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420266140] [2021-10-28 23:29:26,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:29:26,005 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:29:26,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:29:26,191 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 23:29:26,191 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:29:26,191 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420266140] [2021-10-28 23:29:26,192 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420266140] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:29:26,192 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:29:26,192 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:29:26,193 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466264086] [2021-10-28 23:29:26,193 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:29:26,194 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:29:26,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:29:26,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:29:26,195 INFO L87 Difference]: Start difference. First operand 51 states and 73 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 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 23:29:26,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:29:26,255 INFO L93 Difference]: Finished difference Result 139 states and 205 transitions. [2021-10-28 23:29:26,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:29:26,258 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 23:29:26,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:29:26,264 INFO L225 Difference]: With dead ends: 139 [2021-10-28 23:29:26,265 INFO L226 Difference]: Without dead ends: 95 [2021-10-28 23:29:26,266 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 23:29:26,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2021-10-28 23:29:26,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 91. [2021-10-28 23:29:26,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 90 states have (on average 1.488888888888889) internal successors, (134), 90 states have internal predecessors, (134), 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 23:29:26,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 134 transitions. [2021-10-28 23:29:26,284 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 134 transitions. Word has length 26 [2021-10-28 23:29:26,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:29:26,284 INFO L470 AbstractCegarLoop]: Abstraction has 91 states and 134 transitions. [2021-10-28 23:29:26,285 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 23:29:26,285 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 134 transitions. [2021-10-28 23:29:26,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-28 23:29:26,287 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:29:26,287 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] [2021-10-28 23:29:26,287 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 23:29:26,288 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 23:29:26,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:29:26,289 INFO L85 PathProgramCache]: Analyzing trace with hash -1166251271, now seen corresponding path program 1 times [2021-10-28 23:29:26,289 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:29:26,290 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299520968] [2021-10-28 23:29:26,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:29:26,290 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:29:26,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:29:26,364 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 23:29:26,365 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:29:26,365 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299520968] [2021-10-28 23:29:26,365 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299520968] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:29:26,366 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:29:26,366 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:29:26,366 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201224945] [2021-10-28 23:29:26,367 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:29:26,367 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:29:26,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:29:26,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:29:26,369 INFO L87 Difference]: Start difference. First operand 91 states and 134 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 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 23:29:26,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:29:26,426 INFO L93 Difference]: Finished difference Result 222 states and 331 transitions. [2021-10-28 23:29:26,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:29:26,427 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 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 28 [2021-10-28 23:29:26,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:29:26,429 INFO L225 Difference]: With dead ends: 222 [2021-10-28 23:29:26,431 INFO L226 Difference]: Without dead ends: 138 [2021-10-28 23:29:26,432 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 23:29:26,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2021-10-28 23:29:26,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 136. [2021-10-28 23:29:26,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 135 states have (on average 1.451851851851852) internal successors, (196), 135 states have internal predecessors, (196), 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 23:29:26,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 196 transitions. [2021-10-28 23:29:26,468 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 196 transitions. Word has length 28 [2021-10-28 23:29:26,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:29:26,468 INFO L470 AbstractCegarLoop]: Abstraction has 136 states and 196 transitions. [2021-10-28 23:29:26,469 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 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 23:29:26,469 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 196 transitions. [2021-10-28 23:29:26,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-28 23:29:26,476 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:29:26,476 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] [2021-10-28 23:29:26,476 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 23:29:26,477 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 23:29:26,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:29:26,479 INFO L85 PathProgramCache]: Analyzing trace with hash -237845909, now seen corresponding path program 1 times [2021-10-28 23:29:26,479 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:29:26,480 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904281966] [2021-10-28 23:29:26,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:29:26,480 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:29:26,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:29:26,634 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 23:29:26,634 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:29:26,635 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904281966] [2021-10-28 23:29:26,635 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904281966] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:29:26,635 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:29:26,636 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:29:26,636 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123783724] [2021-10-28 23:29:26,637 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:29:26,638 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:29:26,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:29:26,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:29:26,639 INFO L87 Difference]: Start difference. First operand 136 states and 196 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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 23:29:26,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:29:26,830 INFO L93 Difference]: Finished difference Result 475 states and 685 transitions. [2021-10-28 23:29:26,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 23:29:26,831 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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 29 [2021-10-28 23:29:26,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:29:26,834 INFO L225 Difference]: With dead ends: 475 [2021-10-28 23:29:26,835 INFO L226 Difference]: Without dead ends: 346 [2021-10-28 23:29:26,836 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 23:29:26,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2021-10-28 23:29:26,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 134. [2021-10-28 23:29:26,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 133 states have (on average 1.4285714285714286) internal successors, (190), 133 states have internal predecessors, (190), 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 23:29:26,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 190 transitions. [2021-10-28 23:29:26,860 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 190 transitions. Word has length 29 [2021-10-28 23:29:26,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:29:26,861 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 190 transitions. [2021-10-28 23:29:26,861 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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 23:29:26,862 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 190 transitions. [2021-10-28 23:29:26,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-28 23:29:26,863 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:29:26,864 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] [2021-10-28 23:29:26,864 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 23:29:26,864 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 23:29:26,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:29:26,865 INFO L85 PathProgramCache]: Analyzing trace with hash -2058108952, now seen corresponding path program 1 times [2021-10-28 23:29:26,865 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:29:26,866 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471970826] [2021-10-28 23:29:26,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:29:26,866 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:29:26,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:29:26,981 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 23:29:26,981 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:29:26,982 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471970826] [2021-10-28 23:29:26,982 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471970826] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:29:26,982 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:29:26,983 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:29:26,983 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713220646] [2021-10-28 23:29:26,984 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:29:26,984 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:29:26,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:29:26,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:29:26,986 INFO L87 Difference]: Start difference. First operand 134 states and 190 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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 23:29:27,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:29:27,065 INFO L93 Difference]: Finished difference Result 363 states and 509 transitions. [2021-10-28 23:29:27,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 23:29:27,066 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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 34 [2021-10-28 23:29:27,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:29:27,069 INFO L225 Difference]: With dead ends: 363 [2021-10-28 23:29:27,069 INFO L226 Difference]: Without dead ends: 236 [2021-10-28 23:29:27,070 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 23:29:27,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2021-10-28 23:29:27,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 146. [2021-10-28 23:29:27,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 145 states have (on average 1.393103448275862) internal successors, (202), 145 states have internal predecessors, (202), 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 23:29:27,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 202 transitions. [2021-10-28 23:29:27,092 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 202 transitions. Word has length 34 [2021-10-28 23:29:27,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:29:27,092 INFO L470 AbstractCegarLoop]: Abstraction has 146 states and 202 transitions. [2021-10-28 23:29:27,093 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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 23:29:27,093 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 202 transitions. [2021-10-28 23:29:27,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-28 23:29:27,094 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:29:27,095 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] [2021-10-28 23:29:27,095 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 23:29:27,096 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 23:29:27,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:29:27,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1357044374, now seen corresponding path program 1 times [2021-10-28 23:29:27,097 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:29:27,097 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010355477] [2021-10-28 23:29:27,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:29:27,098 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:29:27,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:29:27,167 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 23:29:27,167 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:29:27,168 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010355477] [2021-10-28 23:29:27,168 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010355477] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:29:27,168 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:29:27,169 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:29:27,169 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931109229] [2021-10-28 23:29:27,170 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:29:27,170 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:29:27,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:29:27,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:29:27,172 INFO L87 Difference]: Start difference. First operand 146 states and 202 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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 23:29:27,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:29:27,229 INFO L93 Difference]: Finished difference Result 351 states and 482 transitions. [2021-10-28 23:29:27,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:29:27,230 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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 34 [2021-10-28 23:29:27,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:29:27,232 INFO L225 Difference]: With dead ends: 351 [2021-10-28 23:29:27,232 INFO L226 Difference]: Without dead ends: 212 [2021-10-28 23:29:27,233 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:29:27,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-10-28 23:29:27,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 154. [2021-10-28 23:29:27,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 153 states have (on average 1.3725490196078431) internal successors, (210), 153 states have internal predecessors, (210), 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 23:29:27,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 210 transitions. [2021-10-28 23:29:27,252 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 210 transitions. Word has length 34 [2021-10-28 23:29:27,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:29:27,252 INFO L470 AbstractCegarLoop]: Abstraction has 154 states and 210 transitions. [2021-10-28 23:29:27,252 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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 23:29:27,253 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 210 transitions. [2021-10-28 23:29:27,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-28 23:29:27,254 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:29:27,254 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] [2021-10-28 23:29:27,254 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 23:29:27,255 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 23:29:27,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:29:27,256 INFO L85 PathProgramCache]: Analyzing trace with hash -1943850388, now seen corresponding path program 1 times [2021-10-28 23:29:27,256 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:29:27,256 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068967429] [2021-10-28 23:29:27,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:29:27,257 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:29:27,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:29:27,322 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 23:29:27,322 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:29:27,322 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068967429] [2021-10-28 23:29:27,323 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068967429] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:29:27,323 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:29:27,323 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:29:27,323 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065435493] [2021-10-28 23:29:27,324 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:29:27,324 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:29:27,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:29:27,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:29:27,325 INFO L87 Difference]: Start difference. First operand 154 states and 210 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 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 23:29:27,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:29:27,361 INFO L93 Difference]: Finished difference Result 359 states and 488 transitions. [2021-10-28 23:29:27,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:29:27,362 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 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 34 [2021-10-28 23:29:27,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:29:27,364 INFO L225 Difference]: With dead ends: 359 [2021-10-28 23:29:27,364 INFO L226 Difference]: Without dead ends: 212 [2021-10-28 23:29:27,365 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 23:29:27,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-10-28 23:29:27,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2021-10-28 23:29:27,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 211 states have (on average 1.3317535545023698) internal successors, (281), 211 states have internal predecessors, (281), 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 23:29:27,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 281 transitions. [2021-10-28 23:29:27,385 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 281 transitions. Word has length 34 [2021-10-28 23:29:27,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:29:27,385 INFO L470 AbstractCegarLoop]: Abstraction has 212 states and 281 transitions. [2021-10-28 23:29:27,386 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 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 23:29:27,386 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 281 transitions. [2021-10-28 23:29:27,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-28 23:29:27,387 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:29:27,387 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] [2021-10-28 23:29:27,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 23:29:27,388 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 23:29:27,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:29:27,388 INFO L85 PathProgramCache]: Analyzing trace with hash 955170732, now seen corresponding path program 1 times [2021-10-28 23:29:27,389 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:29:27,389 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375320857] [2021-10-28 23:29:27,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:29:27,389 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:29:27,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:29:27,529 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 23:29:27,529 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:29:27,530 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375320857] [2021-10-28 23:29:27,530 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375320857] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:29:27,530 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:29:27,530 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 23:29:27,531 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269143883] [2021-10-28 23:29:27,532 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 23:29:27,533 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:29:27,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 23:29:27,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:29:27,535 INFO L87 Difference]: Start difference. First operand 212 states and 281 transitions. Second operand has 7 states, 7 states have (on average 5.0) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:29:27,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:29:27,901 INFO L93 Difference]: Finished difference Result 1039 states and 1412 transitions. [2021-10-28 23:29:27,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-28 23:29:27,901 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-10-28 23:29:27,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:29:27,911 INFO L225 Difference]: With dead ends: 1039 [2021-10-28 23:29:27,911 INFO L226 Difference]: Without dead ends: 892 [2021-10-28 23:29:27,915 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2021-10-28 23:29:27,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2021-10-28 23:29:27,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 372. [2021-10-28 23:29:27,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 371 states have (on average 1.3234501347708896) internal successors, (491), 371 states have internal predecessors, (491), 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 23:29:27,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 491 transitions. [2021-10-28 23:29:27,972 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 491 transitions. Word has length 35 [2021-10-28 23:29:27,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:29:27,975 INFO L470 AbstractCegarLoop]: Abstraction has 372 states and 491 transitions. [2021-10-28 23:29:27,976 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:29:27,976 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 491 transitions. [2021-10-28 23:29:27,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-10-28 23:29:27,977 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:29:27,977 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:29:27,978 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 23:29:27,978 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 23:29:27,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:29:27,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1911482104, now seen corresponding path program 1 times [2021-10-28 23:29:27,979 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:29:27,980 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325338055] [2021-10-28 23:29:27,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:29:27,981 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:29:28,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:29:28,057 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-28 23:29:28,057 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:29:28,057 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325338055] [2021-10-28 23:29:28,058 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325338055] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:29:28,058 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:29:28,058 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:29:28,058 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003575608] [2021-10-28 23:29:28,059 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:29:28,059 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:29:28,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:29:28,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:29:28,060 INFO L87 Difference]: Start difference. First operand 372 states and 491 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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 23:29:28,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:29:28,195 INFO L93 Difference]: Finished difference Result 624 states and 822 transitions. [2021-10-28 23:29:28,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:29:28,196 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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 55 [2021-10-28 23:29:28,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:29:28,198 INFO L225 Difference]: With dead ends: 624 [2021-10-28 23:29:28,198 INFO L226 Difference]: Without dead ends: 259 [2021-10-28 23:29:28,199 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 23:29:28,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2021-10-28 23:29:28,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 253. [2021-10-28 23:29:28,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 252 states have (on average 1.3055555555555556) internal successors, (329), 252 states have internal predecessors, (329), 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 23:29:28,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 329 transitions. [2021-10-28 23:29:28,258 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 329 transitions. Word has length 55 [2021-10-28 23:29:28,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:29:28,259 INFO L470 AbstractCegarLoop]: Abstraction has 253 states and 329 transitions. [2021-10-28 23:29:28,259 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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 23:29:28,259 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 329 transitions. [2021-10-28 23:29:28,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-28 23:29:28,260 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:29:28,260 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, 1, 1] [2021-10-28 23:29:28,260 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-28 23:29:28,261 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:29:28,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:29:28,261 INFO L85 PathProgramCache]: Analyzing trace with hash 1510184545, now seen corresponding path program 1 times [2021-10-28 23:29:28,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:29:28,262 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847363149] [2021-10-28 23:29:28,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:29:28,262 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:29:28,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:29:28,338 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 23:29:28,338 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:29:28,338 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847363149] [2021-10-28 23:29:28,338 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847363149] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:29:28,339 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2054269012] [2021-10-28 23:29:28,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:29:28,339 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:29:28,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f269e0fa-ac42-477b-bd81-0a4a57f48c33/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:29:28,343 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f269e0fa-ac42-477b-bd81-0a4a57f48c33/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:29:28,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f269e0fa-ac42-477b-bd81-0a4a57f48c33/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 23:29:28,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:29:28,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 23:29:28,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:29:28,846 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 23:29:28,846 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2054269012] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:29:28,847 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:29:28,847 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-10-28 23:29:28,847 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914383860] [2021-10-28 23:29:28,848 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-28 23:29:28,848 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:29:28,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 23:29:28,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-28 23:29:28,850 INFO L87 Difference]: Start difference. First operand 253 states and 329 transitions. Second operand has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 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 23:29:29,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:29:29,310 INFO L93 Difference]: Finished difference Result 582 states and 769 transitions. [2021-10-28 23:29:29,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 23:29:29,311 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 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) Word has length 56 [2021-10-28 23:29:29,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:29:29,311 INFO L225 Difference]: With dead ends: 582 [2021-10-28 23:29:29,312 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 23:29:29,313 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-10-28 23:29:29,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 23:29:29,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 23:29:29,313 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 23:29:29,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 23:29:29,322 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2021-10-28 23:29:29,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:29:29,323 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:29:29,323 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 8 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 23:29:29,323 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:29:29,323 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 23:29:29,326 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:29:29,327 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:29:29,327 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:29:29,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f269e0fa-ac42-477b-bd81-0a4a57f48c33/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:29:29,554 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f269e0fa-ac42-477b-bd81-0a4a57f48c33/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-10-28 23:29:29,556 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 23:29:29,563 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:29:29,583 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:29:29,584 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:29:29,587 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:29:29,710 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:29:29,711 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:29:29,712 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:29:29,713 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:29:29,713 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:29:29,714 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:29:29,715 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:29:29,716 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:29:29,809 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:29:29,810 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:29:29,811 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:29:29,811 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:29:29,833 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:29:29,834 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:29:29,834 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:29:29,835 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:29:29,835 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:29:29,836 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:29:29,836 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:29:29,837 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:29:29,837 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:29:29,889 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:29:29,889 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:29:29,890 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:29:29,946 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:29:29,958 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:29:29,960 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:29:29,961 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:29:29,961 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:29:29,996 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:29:29,996 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:29:29,997 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:29:30,098 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:29:30,099 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:29:30,158 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:29:30,159 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:29:30,160 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:29:30,161 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:29:30,228 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:29:30,240 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:29:30,240 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:29:30,241 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:29:30,242 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:29:30,242 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:29:30,279 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:29:30,368 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:29:30,374 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:29:32,822 INFO L857 garLoopResultBuilder]: For program point L233-8(lines 233 237) no Hoare annotation was computed. [2021-10-28 23:29:32,822 INFO L857 garLoopResultBuilder]: For program point L233-9(lines 233 237) no Hoare annotation was computed. [2021-10-28 23:29:32,823 INFO L857 garLoopResultBuilder]: For program point L233-11(lines 233 237) no Hoare annotation was computed. [2021-10-28 23:29:32,823 INFO L857 garLoopResultBuilder]: For program point L233-12(lines 233 237) no Hoare annotation was computed. [2021-10-28 23:29:32,823 INFO L857 garLoopResultBuilder]: For program point L233-14(lines 233 237) no Hoare annotation was computed. [2021-10-28 23:29:32,823 INFO L857 garLoopResultBuilder]: For program point L233-15(lines 233 237) no Hoare annotation was computed. [2021-10-28 23:29:32,823 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 860) no Hoare annotation was computed. [2021-10-28 23:29:32,823 INFO L857 garLoopResultBuilder]: For program point L233-17(lines 233 237) no Hoare annotation was computed. [2021-10-28 23:29:32,823 INFO L857 garLoopResultBuilder]: For program point L300(lines 300 306) no Hoare annotation was computed. [2021-10-28 23:29:32,824 INFO L853 garLoopResultBuilder]: At program point L300-1(lines 300 306) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse4 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 (= 0 ~systemActive~0)) (and .cse0 .cse1 .cse3 .cse2) (and .cse0 .cse3 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4) (and .cse0 (<= 2 ~waterLevel~0) .cse3 .cse2 .cse4))) [2021-10-28 23:29:32,824 INFO L857 garLoopResultBuilder]: For program point L135(lines 135 143) no Hoare annotation was computed. [2021-10-28 23:29:32,824 INFO L857 garLoopResultBuilder]: For program point L135-1(lines 135 143) no Hoare annotation was computed. [2021-10-28 23:29:32,824 INFO L857 garLoopResultBuilder]: For program point L135-2(lines 135 143) no Hoare annotation was computed. [2021-10-28 23:29:32,824 INFO L853 garLoopResultBuilder]: At program point L895(lines 890 898) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 23:29:32,825 INFO L857 garLoopResultBuilder]: For program point L930(lines 930 934) no Hoare annotation was computed. [2021-10-28 23:29:32,825 INFO L857 garLoopResultBuilder]: For program point L105(lines 105 122) no Hoare annotation was computed. [2021-10-28 23:29:32,825 INFO L857 garLoopResultBuilder]: For program point L105-1(lines 105 122) no Hoare annotation was computed. [2021-10-28 23:29:32,825 INFO L857 garLoopResultBuilder]: For program point L105-2(lines 105 122) no Hoare annotation was computed. [2021-10-28 23:29:32,825 INFO L857 garLoopResultBuilder]: For program point L105-3(lines 105 122) no Hoare annotation was computed. [2021-10-28 23:29:32,825 INFO L857 garLoopResultBuilder]: For program point L105-4(lines 105 122) no Hoare annotation was computed. [2021-10-28 23:29:32,825 INFO L857 garLoopResultBuilder]: For program point L105-5(lines 105 122) no Hoare annotation was computed. [2021-10-28 23:29:32,826 INFO L853 garLoopResultBuilder]: At program point L73(lines 69 91) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 (= 0 ~systemActive~0)) (and .cse0 .cse1 .cse3 .cse2) (and .cse0 .cse3 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) (= ~pumpRunning~0 1)))) [2021-10-28 23:29:32,826 INFO L853 garLoopResultBuilder]: At program point L73-1(lines 69 91) the Hoare annotation is: false [2021-10-28 23:29:32,826 INFO L853 garLoopResultBuilder]: At program point L73-2(lines 69 91) the Hoare annotation is: false [2021-10-28 23:29:32,826 INFO L857 garLoopResultBuilder]: For program point L734(lines 734 751) no Hoare annotation was computed. [2021-10-28 23:29:32,826 INFO L853 garLoopResultBuilder]: At program point L734-1(lines 1 992) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse4 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 (= 0 ~systemActive~0)) (and .cse0 (<= 2 ~waterLevel~0) (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7 2) .cse3 (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse2 (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7) .cse4) (and .cse0 .cse1 .cse3 .cse2) (and .cse0 .cse3 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4))) [2021-10-28 23:29:32,827 INFO L853 garLoopResultBuilder]: At program point L767-2(lines 767 781) the Hoare annotation is: false [2021-10-28 23:29:32,827 INFO L857 garLoopResultBuilder]: For program point L734-2(lines 734 751) no Hoare annotation was computed. [2021-10-28 23:29:32,827 INFO L853 garLoopResultBuilder]: At program point L734-3(lines 1 992) the Hoare annotation is: false [2021-10-28 23:29:32,827 INFO L857 garLoopResultBuilder]: For program point L734-4(lines 734 751) no Hoare annotation was computed. [2021-10-28 23:29:32,827 INFO L853 garLoopResultBuilder]: At program point L734-5(lines 1 992) the Hoare annotation is: false [2021-10-28 23:29:32,827 INFO L853 garLoopResultBuilder]: At program point L239(lines 224 242) the Hoare annotation is: false [2021-10-28 23:29:32,828 INFO L853 garLoopResultBuilder]: At program point L239-1(lines 224 242) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse2 .cse3) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3))) [2021-10-28 23:29:32,828 INFO L853 garLoopResultBuilder]: At program point L239-2(lines 224 242) the Hoare annotation is: false [2021-10-28 23:29:32,828 INFO L853 garLoopResultBuilder]: At program point L239-3(lines 224 242) the Hoare annotation is: false [2021-10-28 23:29:32,828 INFO L853 garLoopResultBuilder]: At program point L239-4(lines 224 242) the Hoare annotation is: false [2021-10-28 23:29:32,828 INFO L853 garLoopResultBuilder]: At program point L239-5(lines 224 242) the Hoare annotation is: false [2021-10-28 23:29:32,828 INFO L857 garLoopResultBuilder]: For program point L768(line 768) no Hoare annotation was computed. [2021-10-28 23:29:32,829 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 860) no Hoare annotation was computed. [2021-10-28 23:29:32,829 INFO L853 garLoopResultBuilder]: At program point L175(lines 168 178) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~switchedOnBeforeTS~0 1) (<= ~waterLevel~0 2) (= |ULTIMATE.start_isPumpRunning_#res| 1) (= ~pumpRunning~0 1)) [2021-10-28 23:29:32,829 INFO L853 garLoopResultBuilder]: At program point L175-1(lines 168 178) the Hoare annotation is: false [2021-10-28 23:29:32,829 INFO L857 garLoopResultBuilder]: For program point L109(lines 109 117) no Hoare annotation was computed. [2021-10-28 23:29:32,829 INFO L853 garLoopResultBuilder]: At program point L175-2(lines 168 178) the Hoare annotation is: false [2021-10-28 23:29:32,829 INFO L857 garLoopResultBuilder]: For program point L109-1(lines 109 117) no Hoare annotation was computed. [2021-10-28 23:29:32,830 INFO L857 garLoopResultBuilder]: For program point L109-2(lines 109 117) no Hoare annotation was computed. [2021-10-28 23:29:32,833 INFO L857 garLoopResultBuilder]: For program point L109-3(lines 109 117) no Hoare annotation was computed. [2021-10-28 23:29:32,833 INFO L857 garLoopResultBuilder]: For program point L109-4(lines 109 117) no Hoare annotation was computed. [2021-10-28 23:29:32,833 INFO L857 garLoopResultBuilder]: For program point L109-5(lines 109 117) no Hoare annotation was computed. [2021-10-28 23:29:32,833 INFO L857 garLoopResultBuilder]: For program point L771(lines 771 775) no Hoare annotation was computed. [2021-10-28 23:29:32,834 INFO L857 garLoopResultBuilder]: For program point L738(lines 738 748) no Hoare annotation was computed. [2021-10-28 23:29:32,834 INFO L857 garLoopResultBuilder]: For program point L771-1(lines 771 775) no Hoare annotation was computed. [2021-10-28 23:29:32,834 INFO L857 garLoopResultBuilder]: For program point L738-2(lines 738 748) no Hoare annotation was computed. [2021-10-28 23:29:32,834 INFO L857 garLoopResultBuilder]: For program point L738-4(lines 738 748) no Hoare annotation was computed. [2021-10-28 23:29:32,835 INFO L857 garLoopResultBuilder]: For program point L739(lines 739 745) no Hoare annotation was computed. [2021-10-28 23:29:32,835 INFO L857 garLoopResultBuilder]: For program point L739-2(lines 739 745) no Hoare annotation was computed. [2021-10-28 23:29:32,836 INFO L857 garLoopResultBuilder]: For program point L739-4(lines 739 745) no Hoare annotation was computed. [2021-10-28 23:29:32,836 INFO L857 garLoopResultBuilder]: For program point L310(lines 310 325) no Hoare annotation was computed. [2021-10-28 23:29:32,837 INFO L853 garLoopResultBuilder]: At program point L80(lines 80 86) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse4 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 (= 0 ~systemActive~0)) (and .cse0 .cse1 .cse3 .cse2) (and .cse0 .cse3 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4) (and .cse0 (<= 2 ~waterLevel~0) .cse3 .cse2 .cse4))) [2021-10-28 23:29:32,837 INFO L853 garLoopResultBuilder]: At program point L80-1(lines 80 86) the Hoare annotation is: false [2021-10-28 23:29:32,838 INFO L853 garLoopResultBuilder]: At program point L80-2(lines 80 86) the Hoare annotation is: false [2021-10-28 23:29:32,838 INFO L857 garLoopResultBuilder]: For program point L906(lines 906 910) no Hoare annotation was computed. [2021-10-28 23:29:32,838 INFO L857 garLoopResultBuilder]: For program point L906-3(lines 906 910) no Hoare annotation was computed. [2021-10-28 23:29:32,838 INFO L857 garLoopResultBuilder]: For program point L906-6(lines 906 910) no Hoare annotation was computed. [2021-10-28 23:29:32,838 INFO L857 garLoopResultBuilder]: For program point L247(lines 247 253) no Hoare annotation was computed. [2021-10-28 23:29:32,838 INFO L853 garLoopResultBuilder]: At program point L247-1(lines 247 253) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (<= ~waterLevel~0 2)) [2021-10-28 23:29:32,839 INFO L857 garLoopResultBuilder]: For program point L842(lines 842 849) no Hoare annotation was computed. [2021-10-28 23:29:32,839 INFO L860 garLoopResultBuilder]: At program point L842-1(lines 842 849) the Hoare annotation is: true [2021-10-28 23:29:32,839 INFO L857 garLoopResultBuilder]: For program point L281(lines 280 329) no Hoare annotation was computed. [2021-10-28 23:29:32,839 INFO L853 garLoopResultBuilder]: At program point L975(lines 970 978) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse4 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 (= 0 ~systemActive~0)) (and .cse0 .cse1 .cse3 .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse3 (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse2 (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse4) (and .cse0 .cse3 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4))) [2021-10-28 23:29:32,839 INFO L853 garLoopResultBuilder]: At program point L975-1(lines 970 978) the Hoare annotation is: false [2021-10-28 23:29:32,839 INFO L853 garLoopResultBuilder]: At program point L975-2(lines 970 978) the Hoare annotation is: false [2021-10-28 23:29:32,840 INFO L857 garLoopResultBuilder]: For program point L282(lines 282 286) no Hoare annotation was computed. [2021-10-28 23:29:32,840 INFO L853 garLoopResultBuilder]: At program point L943(lines 938 946) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~switchedOnBeforeTS~0 1) (<= ~waterLevel~0 2) (= |ULTIMATE.start_isPumpRunning_#res| 1) (= ~pumpRunning~0 1)) [2021-10-28 23:29:32,840 INFO L853 garLoopResultBuilder]: At program point L943-1(lines 938 946) the Hoare annotation is: false [2021-10-28 23:29:32,840 INFO L853 garLoopResultBuilder]: At program point L943-2(lines 938 946) the Hoare annotation is: false [2021-10-28 23:29:32,840 INFO L853 garLoopResultBuilder]: At program point L184(lines 179 187) 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 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse6 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse4 (= 0 ~systemActive~0)) (and .cse0 .cse3 (= ~switchedOnBeforeTS~0 1) .cse4 .cse5 .cse6) (and .cse0 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5 .cse6))) [2021-10-28 23:29:32,840 INFO L853 garLoopResultBuilder]: At program point L184-1(lines 179 187) 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 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse4 (= 0 ~systemActive~0)) (and .cse0 .cse3 (= ~switchedOnBeforeTS~0 1) .cse4 (= |ULTIMATE.start_isPumpRunning_#res| 1) (= ~pumpRunning~0 1)))) [2021-10-28 23:29:32,841 INFO L853 garLoopResultBuilder]: At program point L184-2(lines 179 187) the Hoare annotation is: false [2021-10-28 23:29:32,841 INFO L853 garLoopResultBuilder]: At program point L184-3(lines 179 187) the Hoare annotation is: false [2021-10-28 23:29:32,841 INFO L853 garLoopResultBuilder]: At program point L184-4(lines 179 187) the Hoare annotation is: false [2021-10-28 23:29:32,841 INFO L853 garLoopResultBuilder]: At program point L184-5(lines 179 187) the Hoare annotation is: false [2021-10-28 23:29:32,841 INFO L853 garLoopResultBuilder]: At program point L713(lines 708 715) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 23:29:32,841 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 23:29:32,841 INFO L857 garLoopResultBuilder]: For program point L318(lines 318 324) no Hoare annotation was computed. [2021-10-28 23:29:32,842 INFO L853 garLoopResultBuilder]: At program point L318-1(lines 1 992) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse4 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 (= 0 ~systemActive~0)) (and .cse0 .cse1 .cse3 .cse2) (and .cse0 .cse3 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4) (and .cse0 (<= 2 ~waterLevel~0) .cse3 .cse2 .cse4))) [2021-10-28 23:29:32,842 INFO L853 garLoopResultBuilder]: At program point L815(lines 811 817) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 23:29:32,842 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 23:29:32,842 INFO L857 garLoopResultBuilder]: For program point L983(lines 983 989) no Hoare annotation was computed. [2021-10-28 23:29:32,843 INFO L857 garLoopResultBuilder]: For program point L983-1(lines 983 989) no Hoare annotation was computed. [2021-10-28 23:29:32,843 INFO L857 garLoopResultBuilder]: For program point L983-2(lines 983 989) no Hoare annotation was computed. [2021-10-28 23:29:32,843 INFO L857 garLoopResultBuilder]: For program point L983-3(lines 983 989) no Hoare annotation was computed. [2021-10-28 23:29:32,843 INFO L857 garLoopResultBuilder]: For program point L983-4(lines 983 989) no Hoare annotation was computed. [2021-10-28 23:29:32,844 INFO L860 garLoopResultBuilder]: At program point L851(lines 832 854) the Hoare annotation is: true [2021-10-28 23:29:32,845 INFO L857 garLoopResultBuilder]: For program point L983-5(lines 983 989) no Hoare annotation was computed. [2021-10-28 23:29:32,845 INFO L857 garLoopResultBuilder]: For program point L290(lines 290 296) no Hoare annotation was computed. [2021-10-28 23:29:32,845 INFO L853 garLoopResultBuilder]: At program point L290-1(lines 290 296) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse4 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 (= 0 ~systemActive~0)) (and .cse0 .cse1 .cse3 .cse2) (and .cse0 .cse3 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4) (and .cse0 (<= 2 ~waterLevel~0) .cse3 .cse2 .cse4))) [2021-10-28 23:29:32,845 INFO L857 garLoopResultBuilder]: For program point L918(lines 918 922) no Hoare annotation was computed. [2021-10-28 23:29:32,845 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 23:29:32,846 INFO L853 garLoopResultBuilder]: At program point L887(lines 1 992) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 23:29:32,846 INFO L853 garLoopResultBuilder]: At program point L723(lines 73 79) 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 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse4 (= 0 ~systemActive~0)) (and .cse0 .cse3 (= ~switchedOnBeforeTS~0 1) .cse4 (= |ULTIMATE.start_isPumpRunning_#res| 1) (= ~pumpRunning~0 1)))) [2021-10-28 23:29:32,846 INFO L853 garLoopResultBuilder]: At program point L723-1(lines 73 79) the Hoare annotation is: false [2021-10-28 23:29:32,847 INFO L853 garLoopResultBuilder]: At program point L723-2(lines 73 79) the Hoare annotation is: false [2021-10-28 23:29:32,847 INFO L853 garLoopResultBuilder]: At program point L988(lines 979 992) the Hoare annotation is: false [2021-10-28 23:29:32,847 INFO L853 garLoopResultBuilder]: At program point L988-1(lines 979 992) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse0 .cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse2 .cse3))) [2021-10-28 23:29:32,847 INFO L853 garLoopResultBuilder]: At program point L988-2(lines 979 992) the Hoare annotation is: false [2021-10-28 23:29:32,847 INFO L853 garLoopResultBuilder]: At program point L988-3(lines 979 992) the Hoare annotation is: false [2021-10-28 23:29:32,847 INFO L853 garLoopResultBuilder]: At program point L988-4(lines 979 992) the Hoare annotation is: false [2021-10-28 23:29:32,848 INFO L853 garLoopResultBuilder]: At program point L988-5(lines 979 992) the Hoare annotation is: false [2021-10-28 23:29:32,848 INFO L857 garLoopResultBuilder]: For program point L131(lines 131 148) no Hoare annotation was computed. [2021-10-28 23:29:32,848 INFO L857 garLoopResultBuilder]: For program point L131-1(lines 131 148) no Hoare annotation was computed. [2021-10-28 23:29:32,848 INFO L857 garLoopResultBuilder]: For program point L131-2(lines 131 148) no Hoare annotation was computed. [2021-10-28 23:29:32,848 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 23:29:32,850 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 860) no Hoare annotation was computed. [2021-10-28 23:29:32,850 INFO L853 garLoopResultBuilder]: At program point L330(lines 279 331) the Hoare annotation is: false [2021-10-28 23:29:32,850 INFO L857 garLoopResultBuilder]: For program point L860(line 860) no Hoare annotation was computed. [2021-10-28 23:29:32,850 INFO L857 garLoopResultBuilder]: For program point L860-1(line 860) no Hoare annotation was computed. [2021-10-28 23:29:32,850 INFO L857 garLoopResultBuilder]: For program point L860-2(line 860) no Hoare annotation was computed. [2021-10-28 23:29:32,850 INFO L857 garLoopResultBuilder]: For program point L233(lines 233 237) no Hoare annotation was computed. [2021-10-28 23:29:32,850 INFO L857 garLoopResultBuilder]: For program point L233-2(lines 233 237) no Hoare annotation was computed. [2021-10-28 23:29:32,851 INFO L857 garLoopResultBuilder]: For program point L233-3(lines 233 237) no Hoare annotation was computed. [2021-10-28 23:29:32,853 INFO L857 garLoopResultBuilder]: For program point L233-5(lines 233 237) no Hoare annotation was computed. [2021-10-28 23:29:32,853 INFO L857 garLoopResultBuilder]: For program point L233-6(lines 233 237) no Hoare annotation was computed. [2021-10-28 23:29:32,856 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:29:32,860 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:29:32,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:29:32 BoogieIcfgContainer [2021-10-28 23:29:32,912 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:29:32,913 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:29:32,913 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:29:32,913 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:29:32,914 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:29:25" (3/4) ... [2021-10-28 23:29:32,917 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 23:29:32,940 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-28 23:29:32,942 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-28 23:29:32,943 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-28 23:29:32,945 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-28 23:29:32,946 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 23:29:32,948 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:29:32,949 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:29:32,980 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 2) && 0 == systemActive) || ((((((((splverifierCounter == 0 && 2 <= waterLevel) && tmp <= 2) && 1 == systemActive) && \result <= 2) && waterLevel <= 2) && 2 <= \result) && 1 < tmp) && pumpRunning == 1)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) [2021-10-28 23:29:32,980 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 2) && 0 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) [2021-10-28 23:29:32,981 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 2) && 0 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) [2021-10-28 23:29:32,981 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 2) && 0 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) [2021-10-28 23:29:32,982 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && waterLevel <= 2) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && waterLevel <= 2) && 0 == systemActive)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1)) || (((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) [2021-10-28 23:29:32,990 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && waterLevel <= 2) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && waterLevel <= 2) && 0 == systemActive)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) [2021-10-28 23:29:32,991 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 2) && 0 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) [2021-10-28 23:29:32,991 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 2) && 0 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) [2021-10-28 23:29:32,993 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 2) && 0 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2)) || ((((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && \result <= 2) && waterLevel <= 2) && 2 <= \result) && pumpRunning == 1)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) [2021-10-28 23:29:32,994 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1 [2021-10-28 23:29:32,997 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1 [2021-10-28 23:29:32,998 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && 1 == systemActive) && waterLevel <= 2) [2021-10-28 23:29:32,998 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && waterLevel <= 2) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && waterLevel <= 2) && 0 == systemActive)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) [2021-10-28 23:29:33,000 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && \result == 0) && 1 == systemActive) && waterLevel <= 2) || ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) [2021-10-28 23:29:33,098 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f269e0fa-ac42-477b-bd81-0a4a57f48c33/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:29:33,098 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:29:33,100 INFO L168 Benchmark]: Toolchain (without parser) took 10086.35 ms. Allocated memory was 117.4 MB in the beginning and 153.1 MB in the end (delta: 35.7 MB). Free memory was 82.2 MB in the beginning and 86.8 MB in the end (delta: -4.7 MB). Peak memory consumption was 30.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:29:33,101 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 83.9 MB. Free memory was 54.6 MB in the beginning and 54.5 MB in the end (delta: 26.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:29:33,102 INFO L168 Benchmark]: CACSL2BoogieTranslator took 566.90 ms. Allocated memory is still 117.4 MB. Free memory was 81.8 MB in the beginning and 85.5 MB in the end (delta: -3.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:29:33,102 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.01 ms. Allocated memory is still 117.4 MB. Free memory was 85.5 MB in the beginning and 81.8 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:29:33,103 INFO L168 Benchmark]: Boogie Preprocessor took 75.15 ms. Allocated memory is still 117.4 MB. Free memory was 81.8 MB in the beginning and 79.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:29:33,103 INFO L168 Benchmark]: RCFGBuilder took 1354.65 ms. Allocated memory is still 117.4 MB. Free memory was 79.0 MB in the beginning and 86.5 MB in the end (delta: -7.6 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:29:33,104 INFO L168 Benchmark]: TraceAbstraction took 7797.60 ms. Allocated memory was 117.4 MB in the beginning and 153.1 MB in the end (delta: 35.7 MB). Free memory was 86.0 MB in the beginning and 97.3 MB in the end (delta: -11.3 MB). Peak memory consumption was 85.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:29:33,104 INFO L168 Benchmark]: Witness Printer took 185.41 ms. Allocated memory is still 153.1 MB. Free memory was 97.3 MB in the beginning and 86.8 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:29:33,107 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 83.9 MB. Free memory was 54.6 MB in the beginning and 54.5 MB in the end (delta: 26.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 566.90 ms. Allocated memory is still 117.4 MB. Free memory was 81.8 MB in the beginning and 85.5 MB in the end (delta: -3.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 97.01 ms. Allocated memory is still 117.4 MB. Free memory was 85.5 MB in the beginning and 81.8 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 75.15 ms. Allocated memory is still 117.4 MB. Free memory was 81.8 MB in the beginning and 79.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1354.65 ms. Allocated memory is still 117.4 MB. Free memory was 79.0 MB in the beginning and 86.5 MB in the end (delta: -7.6 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7797.60 ms. Allocated memory was 117.4 MB in the beginning and 153.1 MB in the end (delta: 35.7 MB). Free memory was 86.0 MB in the beginning and 97.3 MB in the end (delta: -11.3 MB). Peak memory consumption was 85.3 MB. Max. memory is 16.1 GB. * Witness Printer took 185.41 ms. Allocated memory is still 153.1 MB. Free memory was 97.3 MB in the beginning and 86.8 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 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: 860]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 860]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 860]: 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, 122 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 7.6s, OverallIterations: 11, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1165 SDtfs, 1307 SDslu, 1583 SDs, 0 SdLazy, 271 SolverSat, 88 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 116 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=372occurred in iteration=9, InterpolantAutomatonStates: 54, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 892 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 51 PreInvPairs, 203 NumberOfFragments, 800 HoareAnnotationTreeSize, 51 FomulaSimplifications, 62906 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 51 FomulaSimplificationsInter, 16446 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 426 NumberOfCodeBlocks, 426 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 414 ConstructedInterpolants, 0 QuantifiedInterpolants, 778 SizeOfPredicates, 3 NumberOfNonLiveVariables, 442 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 42/48 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: 168]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 811]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 2) && 0 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 979]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 970]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && waterLevel <= 2) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && waterLevel <= 2) && 0 == systemActive)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1)) || (((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 979]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && \result == 0) && 1 == systemActive) && waterLevel <= 2) || ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 979]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 970]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 2) && 0 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 2) && 0 == systemActive) || ((((((((splverifierCounter == 0 && 2 <= waterLevel) && tmp <= 2) && 1 == systemActive) && \result <= 2) && waterLevel <= 2) && 2 <= \result) && 1 < tmp) && pumpRunning == 1)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 979]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 970]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 2) && 0 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2)) || ((((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && \result <= 2) && waterLevel <= 2) && 2 <= \result) && pumpRunning == 1)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 300]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 2) && 0 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 2 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 290]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 2) && 0 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && waterLevel <= 2) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && waterLevel <= 2) && 0 == systemActive)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 842]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && waterLevel <= 2) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && waterLevel <= 2) && 0 == systemActive)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 2) && 0 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) - InvariantResult [Line: 979]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && 1 == systemActive) && waterLevel <= 2) - InvariantResult [Line: 979]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-28 23:29:33,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f269e0fa-ac42-477b-bd81-0a4a57f48c33/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...