./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product33.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7a7dd08-4a84-404b-8bb1-29745589c866/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7a7dd08-4a84-404b-8bb1-29745589c866/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7a7dd08-4a84-404b-8bb1-29745589c866/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7a7dd08-4a84-404b-8bb1-29745589c866/bin/uautomizer-w2VwFs6gM0/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product33.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7a7dd08-4a84-404b-8bb1-29745589c866/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7a7dd08-4a84-404b-8bb1-29745589c866/bin/uautomizer-w2VwFs6gM0 --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 e2e0ba6a085074e8295b6882a51ff57a646359fc725b3e12397ae540b49c1d93 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 15:20:50,161 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 15:20:50,164 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 15:20:50,208 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 15:20:50,209 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 15:20:50,211 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 15:20:50,213 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 15:20:50,217 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 15:20:50,220 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 15:20:50,222 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 15:20:50,223 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 15:20:50,225 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 15:20:50,226 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 15:20:50,228 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 15:20:50,230 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 15:20:50,232 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 15:20:50,234 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 15:20:50,236 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 15:20:50,239 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 15:20:50,242 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 15:20:50,245 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 15:20:50,248 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 15:20:50,257 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 15:20:50,258 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 15:20:50,263 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 15:20:50,269 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 15:20:50,269 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 15:20:50,271 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 15:20:50,273 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 15:20:50,275 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 15:20:50,276 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 15:20:50,278 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 15:20:50,280 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 15:20:50,282 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 15:20:50,285 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 15:20:50,286 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 15:20:50,288 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 15:20:50,288 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 15:20:50,289 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 15:20:50,290 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 15:20:50,291 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 15:20:50,293 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7a7dd08-4a84-404b-8bb1-29745589c866/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-22 15:20:50,365 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 15:20:50,365 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 15:20:50,366 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 15:20:50,366 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 15:20:50,367 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 15:20:50,368 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 15:20:50,368 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 15:20:50,369 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 15:20:50,369 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 15:20:50,369 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 15:20:50,369 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 15:20:50,370 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 15:20:50,370 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 15:20:50,370 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 15:20:50,371 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 15:20:50,371 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 15:20:50,371 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 15:20:50,371 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 15:20:50,372 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 15:20:50,372 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 15:20:50,372 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 15:20:50,373 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 15:20:50,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 15:20:50,373 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 15:20:50,374 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 15:20:50,374 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 15:20:50,374 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 15:20:50,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 15:20:50,375 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 15:20:50,375 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 15:20:50,376 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 15:20:50,376 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 15:20:50,376 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_d7a7dd08-4a84-404b-8bb1-29745589c866/bin/uautomizer-w2VwFs6gM0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7a7dd08-4a84-404b-8bb1-29745589c866/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2e0ba6a085074e8295b6882a51ff57a646359fc725b3e12397ae540b49c1d93 [2021-11-22 15:20:50,675 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 15:20:50,721 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 15:20:50,725 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 15:20:50,726 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 15:20:50,727 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 15:20:50,729 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7a7dd08-4a84-404b-8bb1-29745589c866/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/product-lines/minepump_spec3_product33.cil.c [2021-11-22 15:20:50,809 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7a7dd08-4a84-404b-8bb1-29745589c866/bin/uautomizer-w2VwFs6gM0/data/86e54a4fd/336391b34b9140d5b278140cadda915e/FLAG030c61cc1 [2021-11-22 15:20:51,429 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 15:20:51,429 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7a7dd08-4a84-404b-8bb1-29745589c866/sv-benchmarks/c/product-lines/minepump_spec3_product33.cil.c [2021-11-22 15:20:51,445 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7a7dd08-4a84-404b-8bb1-29745589c866/bin/uautomizer-w2VwFs6gM0/data/86e54a4fd/336391b34b9140d5b278140cadda915e/FLAG030c61cc1 [2021-11-22 15:20:51,738 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7a7dd08-4a84-404b-8bb1-29745589c866/bin/uautomizer-w2VwFs6gM0/data/86e54a4fd/336391b34b9140d5b278140cadda915e [2021-11-22 15:20:51,743 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 15:20:51,745 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 15:20:51,766 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 15:20:51,766 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 15:20:51,771 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 15:20:51,772 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:20:51" (1/1) ... [2021-11-22 15:20:51,773 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12f7809c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:20:51, skipping insertion in model container [2021-11-22 15:20:51,773 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 03:20:51" (1/1) ... [2021-11-22 15:20:51,782 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 15:20:51,845 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 15:20:52,283 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7a7dd08-4a84-404b-8bb1-29745589c866/sv-benchmarks/c/product-lines/minepump_spec3_product33.cil.c[13988,14001] [2021-11-22 15:20:52,335 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:20:52,354 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 15:20:52,478 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7a7dd08-4a84-404b-8bb1-29745589c866/sv-benchmarks/c/product-lines/minepump_spec3_product33.cil.c[13988,14001] [2021-11-22 15:20:52,500 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 15:20:52,523 INFO L208 MainTranslator]: Completed translation [2021-11-22 15:20:52,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:20:52 WrapperNode [2021-11-22 15:20:52,524 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 15:20:52,525 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 15:20:52,526 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 15:20:52,526 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 15:20:52,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:20:52" (1/1) ... [2021-11-22 15:20:52,555 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:20:52" (1/1) ... [2021-11-22 15:20:52,605 INFO L137 Inliner]: procedures = 52, calls = 150, calls flagged for inlining = 47, calls inlined = 50, statements flattened = 442 [2021-11-22 15:20:52,615 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 15:20:52,616 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 15:20:52,616 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 15:20:52,617 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 15:20:52,627 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:20:52" (1/1) ... [2021-11-22 15:20:52,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:20:52" (1/1) ... [2021-11-22 15:20:52,632 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:20:52" (1/1) ... [2021-11-22 15:20:52,632 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:20:52" (1/1) ... [2021-11-22 15:20:52,643 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:20:52" (1/1) ... [2021-11-22 15:20:52,652 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:20:52" (1/1) ... [2021-11-22 15:20:52,655 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:20:52" (1/1) ... [2021-11-22 15:20:52,661 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 15:20:52,662 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 15:20:52,662 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 15:20:52,662 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 15:20:52,674 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:20:52" (1/1) ... [2021-11-22 15:20:52,683 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 15:20:52,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7a7dd08-4a84-404b-8bb1-29745589c866/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 15:20:52,742 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7a7dd08-4a84-404b-8bb1-29745589c866/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 15:20:52,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7a7dd08-4a84-404b-8bb1-29745589c866/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 15:20:52,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 15:20:52,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 15:20:52,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 15:20:52,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 15:20:52,912 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 15:20:52,914 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 15:20:53,460 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 15:20:53,472 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 15:20:53,473 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-22 15:20:53,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:20:53 BoogieIcfgContainer [2021-11-22 15:20:53,475 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 15:20:53,505 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 15:20:53,506 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 15:20:53,510 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 15:20:53,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 03:20:51" (1/3) ... [2021-11-22 15:20:53,512 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@594c4c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:20:53, skipping insertion in model container [2021-11-22 15:20:53,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 03:20:52" (2/3) ... [2021-11-22 15:20:53,513 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@594c4c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 03:20:53, skipping insertion in model container [2021-11-22 15:20:53,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:20:53" (3/3) ... [2021-11-22 15:20:53,516 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product33.cil.c [2021-11-22 15:20:53,530 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 15:20:53,530 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-22 15:20:53,592 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 15:20:53,599 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-22 15:20:53,600 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-22 15:20:53,622 INFO L276 IsEmpty]: Start isEmpty. Operand has 114 states, 110 states have (on average 1.4181818181818182) internal successors, (156), 113 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:20:53,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 15:20:53,631 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:20:53,632 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:20:53,632 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:20:53,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:20:53,640 INFO L85 PathProgramCache]: Analyzing trace with hash -1293298343, now seen corresponding path program 1 times [2021-11-22 15:20:53,651 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:20:53,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94207938] [2021-11-22 15:20:53,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:20:53,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:20:53,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:20:53,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:20:53,940 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:20:53,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94207938] [2021-11-22 15:20:53,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94207938] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:20:53,942 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:20:53,942 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 15:20:53,944 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892024143] [2021-11-22 15:20:53,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:20:53,951 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-22 15:20:53,951 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:20:53,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-22 15:20:53,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-22 15:20:53,991 INFO L87 Difference]: Start difference. First operand has 114 states, 110 states have (on average 1.4181818181818182) internal successors, (156), 113 states have internal predecessors, (156), 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) [2021-11-22 15:20:54,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:20:54,031 INFO L93 Difference]: Finished difference Result 218 states and 301 transitions. [2021-11-22 15:20:54,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 15:20:54,034 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 [2021-11-22 15:20:54,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:20:54,046 INFO L225 Difference]: With dead ends: 218 [2021-11-22 15:20:54,046 INFO L226 Difference]: Without dead ends: 104 [2021-11-22 15:20:54,050 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-22 15:20:54,055 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:20:54,056 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 15:20:54,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-11-22 15:20:54,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2021-11-22 15:20:54,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 101 states have (on average 1.3663366336633664) internal successors, (138), 103 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:20:54,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 138 transitions. [2021-11-22 15:20:54,110 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 138 transitions. Word has length 19 [2021-11-22 15:20:54,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:20:54,111 INFO L470 AbstractCegarLoop]: Abstraction has 104 states and 138 transitions. [2021-11-22 15:20:54,111 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) [2021-11-22 15:20:54,112 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 138 transitions. [2021-11-22 15:20:54,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 15:20:54,114 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:20:54,114 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:20:54,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-22 15:20:54,115 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:20:54,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:20:54,116 INFO L85 PathProgramCache]: Analyzing trace with hash -2046047380, now seen corresponding path program 1 times [2021-11-22 15:20:54,116 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:20:54,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028654149] [2021-11-22 15:20:54,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:20:54,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:20:54,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:20:54,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:20:54,263 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:20:54,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028654149] [2021-11-22 15:20:54,263 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028654149] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:20:54,264 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:20:54,264 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 15:20:54,264 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844171562] [2021-11-22 15:20:54,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:20:54,266 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:20:54,267 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:20:54,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:20:54,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:20:54,268 INFO L87 Difference]: Start difference. First operand 104 states and 138 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) [2021-11-22 15:20:54,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:20:54,285 INFO L93 Difference]: Finished difference Result 104 states and 138 transitions. [2021-11-22 15:20:54,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:20:54,286 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 [2021-11-22 15:20:54,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:20:54,288 INFO L225 Difference]: With dead ends: 104 [2021-11-22 15:20:54,288 INFO L226 Difference]: Without dead ends: 47 [2021-11-22 15:20:54,289 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:20:54,291 INFO L933 BasicCegarLoop]: 61 mSDtfsCounter, 54 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:20:54,292 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [54 Valid, 67 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 15:20:54,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-11-22 15:20:54,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-11-22 15:20:54,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.3478260869565217) internal successors, (62), 46 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:20:54,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 62 transitions. [2021-11-22 15:20:54,302 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 62 transitions. Word has length 20 [2021-11-22 15:20:54,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:20:54,303 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 62 transitions. [2021-11-22 15:20:54,304 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) [2021-11-22 15:20:54,304 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2021-11-22 15:20:54,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 15:20:54,305 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:20:54,306 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:20:54,306 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-22 15:20:54,307 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:20:54,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:20:54,308 INFO L85 PathProgramCache]: Analyzing trace with hash 332649940, now seen corresponding path program 1 times [2021-11-22 15:20:54,308 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:20:54,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660516671] [2021-11-22 15:20:54,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:20:54,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:20:54,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:20:54,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:20:54,387 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:20:54,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660516671] [2021-11-22 15:20:54,388 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660516671] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:20:54,388 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:20:54,389 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 15:20:54,389 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989701501] [2021-11-22 15:20:54,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:20:54,390 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:20:54,390 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:20:54,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:20:54,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:20:54,392 INFO L87 Difference]: Start difference. First operand 47 states and 62 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 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) [2021-11-22 15:20:54,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:20:54,404 INFO L93 Difference]: Finished difference Result 87 states and 117 transitions. [2021-11-22 15:20:54,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:20:54,405 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 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 [2021-11-22 15:20:54,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:20:54,411 INFO L225 Difference]: With dead ends: 87 [2021-11-22 15:20:54,411 INFO L226 Difference]: Without dead ends: 47 [2021-11-22 15:20:54,412 INFO L932 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 [2021-11-22 15:20:54,414 INFO L933 BasicCegarLoop]: 60 mSDtfsCounter, 44 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:20:54,417 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [44 Valid, 60 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 15:20:54,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-11-22 15:20:54,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-11-22 15:20:54,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.326086956521739) internal successors, (61), 46 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:20:54,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 61 transitions. [2021-11-22 15:20:54,440 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 61 transitions. Word has length 26 [2021-11-22 15:20:54,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:20:54,441 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 61 transitions. [2021-11-22 15:20:54,441 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 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) [2021-11-22 15:20:54,441 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 61 transitions. [2021-11-22 15:20:54,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 15:20:54,443 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:20:54,443 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:20:54,443 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-22 15:20:54,444 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:20:54,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:20:54,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1042820573, now seen corresponding path program 1 times [2021-11-22 15:20:54,445 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:20:54,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987606351] [2021-11-22 15:20:54,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:20:54,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:20:54,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:20:54,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:20:54,513 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:20:54,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987606351] [2021-11-22 15:20:54,514 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987606351] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:20:54,514 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:20:54,514 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 15:20:54,514 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412062133] [2021-11-22 15:20:54,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:20:54,515 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:20:54,516 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:20:54,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:20:54,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:20:54,517 INFO L87 Difference]: Start difference. First operand 47 states and 61 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 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) [2021-11-22 15:20:54,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:20:54,586 INFO L93 Difference]: Finished difference Result 116 states and 154 transitions. [2021-11-22 15:20:54,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:20:54,593 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 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 [2021-11-22 15:20:54,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:20:54,595 INFO L225 Difference]: With dead ends: 116 [2021-11-22 15:20:54,595 INFO L226 Difference]: Without dead ends: 76 [2021-11-22 15:20:54,596 INFO L932 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 [2021-11-22 15:20:54,598 INFO L933 BasicCegarLoop]: 58 mSDtfsCounter, 35 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:20:54,599 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 97 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 15:20:54,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2021-11-22 15:20:54,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 74. [2021-11-22 15:20:54,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 73 states have (on average 1.3287671232876712) internal successors, (97), 73 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:20:54,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 97 transitions. [2021-11-22 15:20:54,625 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 97 transitions. Word has length 29 [2021-11-22 15:20:54,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:20:54,626 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 97 transitions. [2021-11-22 15:20:54,627 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 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) [2021-11-22 15:20:54,627 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 97 transitions. [2021-11-22 15:20:54,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 15:20:54,631 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:20:54,632 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:20:54,632 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-22 15:20:54,632 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:20:54,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:20:54,637 INFO L85 PathProgramCache]: Analyzing trace with hash -847467821, now seen corresponding path program 1 times [2021-11-22 15:20:54,638 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:20:54,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526922361] [2021-11-22 15:20:54,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:20:54,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:20:54,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:20:54,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:20:54,757 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:20:54,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526922361] [2021-11-22 15:20:54,758 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526922361] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:20:54,758 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:20:54,758 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 15:20:54,758 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949654353] [2021-11-22 15:20:54,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:20:54,761 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 15:20:54,763 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:20:54,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 15:20:54,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 15:20:54,766 INFO L87 Difference]: Start difference. First operand 74 states and 97 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 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) [2021-11-22 15:20:54,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:20:54,846 INFO L93 Difference]: Finished difference Result 206 states and 275 transitions. [2021-11-22 15:20:54,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 15:20:54,847 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 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 [2021-11-22 15:20:54,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:20:54,849 INFO L225 Difference]: With dead ends: 206 [2021-11-22 15:20:54,859 INFO L226 Difference]: Without dead ends: 139 [2021-11-22 15:20:54,860 INFO L932 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 [2021-11-22 15:20:54,862 INFO L933 BasicCegarLoop]: 56 mSDtfsCounter, 37 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 15:20:54,863 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 103 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 15:20:54,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2021-11-22 15:20:54,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 137. [2021-11-22 15:20:54,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 136 states have (on average 1.3308823529411764) internal successors, (181), 136 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:20:54,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 181 transitions. [2021-11-22 15:20:54,897 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 181 transitions. Word has length 35 [2021-11-22 15:20:54,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:20:54,898 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 181 transitions. [2021-11-22 15:20:54,898 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 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) [2021-11-22 15:20:54,898 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 181 transitions. [2021-11-22 15:20:54,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 15:20:54,900 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:20:54,901 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:20:54,901 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-22 15:20:54,901 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:20:54,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:20:54,902 INFO L85 PathProgramCache]: Analyzing trace with hash 173600533, now seen corresponding path program 1 times [2021-11-22 15:20:54,903 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:20:54,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691827485] [2021-11-22 15:20:54,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:20:54,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:20:54,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:20:54,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:20:54,993 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:20:54,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691827485] [2021-11-22 15:20:54,994 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691827485] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:20:54,994 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:20:54,994 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 15:20:54,994 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311260098] [2021-11-22 15:20:54,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:20:54,995 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 15:20:54,995 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:20:54,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 15:20:54,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-22 15:20:54,997 INFO L87 Difference]: Start difference. First operand 137 states and 181 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 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) [2021-11-22 15:20:55,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:20:55,183 INFO L93 Difference]: Finished difference Result 465 states and 617 transitions. [2021-11-22 15:20:55,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-22 15:20:55,184 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 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 [2021-11-22 15:20:55,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:20:55,191 INFO L225 Difference]: With dead ends: 465 [2021-11-22 15:20:55,191 INFO L226 Difference]: Without dead ends: 335 [2021-11-22 15:20:55,195 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-22 15:20:55,204 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 258 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 15:20:55,205 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [258 Valid, 331 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 15:20:55,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2021-11-22 15:20:55,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 133. [2021-11-22 15:20:55,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 132 states have (on average 1.3106060606060606) internal successors, (173), 132 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:20:55,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 173 transitions. [2021-11-22 15:20:55,249 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 173 transitions. Word has length 35 [2021-11-22 15:20:55,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:20:55,249 INFO L470 AbstractCegarLoop]: Abstraction has 133 states and 173 transitions. [2021-11-22 15:20:55,250 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 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) [2021-11-22 15:20:55,250 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 173 transitions. [2021-11-22 15:20:55,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 15:20:55,252 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:20:55,252 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:20:55,252 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-22 15:20:55,253 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:20:55,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:20:55,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1992141646, now seen corresponding path program 1 times [2021-11-22 15:20:55,254 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:20:55,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401835907] [2021-11-22 15:20:55,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:20:55,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:20:55,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:20:55,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:20:55,311 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:20:55,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401835907] [2021-11-22 15:20:55,312 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401835907] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:20:55,312 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:20:55,312 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 15:20:55,312 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446923104] [2021-11-22 15:20:55,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:20:55,313 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 15:20:55,313 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:20:55,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 15:20:55,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 15:20:55,315 INFO L87 Difference]: Start difference. First operand 133 states and 173 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:20:55,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:20:55,368 INFO L93 Difference]: Finished difference Result 432 states and 567 transitions. [2021-11-22 15:20:55,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 15:20:55,369 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-11-22 15:20:55,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:20:55,375 INFO L225 Difference]: With dead ends: 432 [2021-11-22 15:20:55,375 INFO L226 Difference]: Without dead ends: 306 [2021-11-22 15:20:55,377 INFO L932 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 [2021-11-22 15:20:55,382 INFO L933 BasicCegarLoop]: 147 mSDtfsCounter, 104 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:20:55,383 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [104 Valid, 309 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 15:20:55,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2021-11-22 15:20:55,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 133. [2021-11-22 15:20:55,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 132 states have (on average 1.303030303030303) internal successors, (172), 132 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:20:55,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 172 transitions. [2021-11-22 15:20:55,427 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 172 transitions. Word has length 37 [2021-11-22 15:20:55,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:20:55,429 INFO L470 AbstractCegarLoop]: Abstraction has 133 states and 172 transitions. [2021-11-22 15:20:55,430 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:20:55,430 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 172 transitions. [2021-11-22 15:20:55,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 15:20:55,440 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:20:55,441 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:20:55,441 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-22 15:20:55,442 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:20:55,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:20:55,444 INFO L85 PathProgramCache]: Analyzing trace with hash 981024396, now seen corresponding path program 1 times [2021-11-22 15:20:55,444 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:20:55,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592412600] [2021-11-22 15:20:55,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:20:55,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:20:55,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:20:55,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:20:55,563 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:20:55,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592412600] [2021-11-22 15:20:55,563 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592412600] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:20:55,563 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:20:55,564 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-22 15:20:55,564 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119777111] [2021-11-22 15:20:55,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:20:55,565 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 15:20:55,565 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:20:55,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 15:20:55,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-22 15:20:55,567 INFO L87 Difference]: Start difference. First operand 133 states and 172 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:20:55,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:20:55,686 INFO L93 Difference]: Finished difference Result 407 states and 533 transitions. [2021-11-22 15:20:55,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-22 15:20:55,686 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-11-22 15:20:55,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:20:55,689 INFO L225 Difference]: With dead ends: 407 [2021-11-22 15:20:55,689 INFO L226 Difference]: Without dead ends: 281 [2021-11-22 15:20:55,691 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-11-22 15:20:55,693 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 267 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:20:55,694 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [267 Valid, 389 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 15:20:55,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2021-11-22 15:20:55,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 120. [2021-11-22 15:20:55,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 119 states have (on average 1.2857142857142858) internal successors, (153), 119 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:20:55,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 153 transitions. [2021-11-22 15:20:55,717 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 153 transitions. Word has length 37 [2021-11-22 15:20:55,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:20:55,722 INFO L470 AbstractCegarLoop]: Abstraction has 120 states and 153 transitions. [2021-11-22 15:20:55,722 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:20:55,723 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 153 transitions. [2021-11-22 15:20:55,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 15:20:55,723 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 15:20:55,724 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:20:55,724 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-22 15:20:55,724 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 15:20:55,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 15:20:55,725 INFO L85 PathProgramCache]: Analyzing trace with hash 364949260, now seen corresponding path program 1 times [2021-11-22 15:20:55,725 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 15:20:55,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177588771] [2021-11-22 15:20:55,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 15:20:55,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 15:20:55,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 15:20:55,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 15:20:55,843 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 15:20:55,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177588771] [2021-11-22 15:20:55,843 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177588771] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 15:20:55,843 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 15:20:55,843 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-22 15:20:55,843 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316705726] [2021-11-22 15:20:55,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 15:20:55,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 15:20:55,844 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 15:20:55,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 15:20:55,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-22 15:20:55,844 INFO L87 Difference]: Start difference. First operand 120 states and 153 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:20:55,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 15:20:55,946 INFO L93 Difference]: Finished difference Result 316 states and 413 transitions. [2021-11-22 15:20:55,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-22 15:20:55,947 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-11-22 15:20:55,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 15:20:55,948 INFO L225 Difference]: With dead ends: 316 [2021-11-22 15:20:55,948 INFO L226 Difference]: Without dead ends: 0 [2021-11-22 15:20:55,949 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-22 15:20:55,952 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 174 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 15:20:55,952 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [174 Valid, 349 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 15:20:55,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-22 15:20:55,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-22 15:20:55,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:20:55,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-22 15:20:55,954 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2021-11-22 15:20:55,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 15:20:55,954 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-22 15:20:55,955 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 15:20:55,955 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-22 15:20:55,955 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-22 15:20:55,958 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2021-11-22 15:20:55,959 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2021-11-22 15:20:55,959 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2021-11-22 15:20:55,964 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-22 15:20:55,966 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-22 15:20:58,410 INFO L854 garLoopResultBuilder]: At program point L762(lines 757 764) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (not (= |ULTIMATE.start_processEnvironment_~tmp~5#1| 0)))) (or (and (not (= |ULTIMATE.start_isHighWaterLevel_#res#1| 0)) .cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res#1| 0) (not (= |ULTIMATE.start_isHighWaterLevel_~tmp___0~1#1| 0)) .cse1 .cse2 .cse3 (= |ULTIMATE.start_isHighWaterLevel_~tmp~6#1| 0)) (and .cse0 (<= ~waterLevel~0 1) .cse1 .cse2 .cse3))) [2021-11-22 15:20:58,410 INFO L854 garLoopResultBuilder]: At program point L762-1(lines 757 764) the Hoare annotation is: false [2021-11-22 15:20:58,411 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 623) no Hoare annotation was computed. [2021-11-22 15:20:58,411 INFO L854 garLoopResultBuilder]: At program point L762-2(lines 757 764) the Hoare annotation is: false [2021-11-22 15:20:58,411 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-22 15:20:58,411 INFO L858 garLoopResultBuilder]: For program point L648(lines 648 654) no Hoare annotation was computed. [2021-11-22 15:20:58,411 INFO L858 garLoopResultBuilder]: For program point L648-2(lines 648 654) no Hoare annotation was computed. [2021-11-22 15:20:58,412 INFO L858 garLoopResultBuilder]: For program point L87(lines 87 91) no Hoare annotation was computed. [2021-11-22 15:20:58,412 INFO L854 garLoopResultBuilder]: At program point L87-2(lines 83 94) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-22 15:20:58,412 INFO L854 garLoopResultBuilder]: At program point L913(lines 908 916) the Hoare annotation is: (and (= ~pumpRunning~0 0) (<= ~waterLevel~0 1) (= 1 ~systemActive~0)) [2021-11-22 15:20:58,412 INFO L858 garLoopResultBuilder]: For program point L864(lines 864 877) no Hoare annotation was computed. [2021-11-22 15:20:58,412 INFO L854 garLoopResultBuilder]: At program point L864-1(lines 849 881) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (<= ~waterLevel~0 1) .cse0 .cse1) (and (not (= ~pumpRunning~0 0)) .cse0 .cse1))) [2021-11-22 15:20:58,413 INFO L858 garLoopResultBuilder]: For program point L864-2(lines 864 877) no Hoare annotation was computed. [2021-11-22 15:20:58,413 INFO L854 garLoopResultBuilder]: At program point L864-3(lines 849 881) the Hoare annotation is: false [2021-11-22 15:20:58,413 INFO L858 garLoopResultBuilder]: For program point L864-4(lines 864 877) no Hoare annotation was computed. [2021-11-22 15:20:58,413 INFO L854 garLoopResultBuilder]: At program point L864-5(lines 849 881) the Hoare annotation is: false [2021-11-22 15:20:58,413 INFO L854 garLoopResultBuilder]: At program point L898(lines 894 900) the Hoare annotation is: (and (= ~pumpRunning~0 0) (<= ~waterLevel~0 1) (= 1 ~systemActive~0)) [2021-11-22 15:20:58,414 INFO L854 garLoopResultBuilder]: At program point L684(lines 637 685) the Hoare annotation is: false [2021-11-22 15:20:58,414 INFO L858 garLoopResultBuilder]: For program point L668(lines 668 679) no Hoare annotation was computed. [2021-11-22 15:20:58,414 INFO L858 garLoopResultBuilder]: For program point L239(lines 239 246) no Hoare annotation was computed. [2021-11-22 15:20:58,414 INFO L858 garLoopResultBuilder]: For program point L239-2(lines 239 246) no Hoare annotation was computed. [2021-11-22 15:20:58,414 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 146) no Hoare annotation was computed. [2021-11-22 15:20:58,415 INFO L858 garLoopResultBuilder]: For program point L140-1(lines 140 146) no Hoare annotation was computed. [2021-11-22 15:20:58,415 INFO L858 garLoopResultBuilder]: For program point L140-2(lines 140 146) no Hoare annotation was computed. [2021-11-22 15:20:58,415 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-22 15:20:58,415 INFO L861 garLoopResultBuilder]: At program point L223(lines 216 225) the Hoare annotation is: true [2021-11-22 15:20:58,415 INFO L858 garLoopResultBuilder]: For program point L75(lines 75 79) no Hoare annotation was computed. [2021-11-22 15:20:58,415 INFO L854 garLoopResultBuilder]: At program point L75-2(lines 71 82) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-22 15:20:58,416 INFO L858 garLoopResultBuilder]: For program point L868(lines 868 874) no Hoare annotation was computed. [2021-11-22 15:20:58,416 INFO L858 garLoopResultBuilder]: For program point L868-3(lines 868 874) no Hoare annotation was computed. [2021-11-22 15:20:58,416 INFO L858 garLoopResultBuilder]: For program point L736(lines 736 753) no Hoare annotation was computed. [2021-11-22 15:20:58,416 INFO L854 garLoopResultBuilder]: At program point L736-1(lines 732 756) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (<= ~waterLevel~0 1) .cse0 .cse1) (and (not (= ~pumpRunning~0 0)) .cse0 .cse1))) [2021-11-22 15:20:58,416 INFO L858 garLoopResultBuilder]: For program point L736-2(lines 736 753) no Hoare annotation was computed. [2021-11-22 15:20:58,416 INFO L858 garLoopResultBuilder]: For program point L868-6(lines 868 874) no Hoare annotation was computed. [2021-11-22 15:20:58,417 INFO L854 garLoopResultBuilder]: At program point L736-3(lines 732 756) the Hoare annotation is: false [2021-11-22 15:20:58,417 INFO L858 garLoopResultBuilder]: For program point L736-4(lines 736 753) no Hoare annotation was computed. [2021-11-22 15:20:58,417 INFO L854 garLoopResultBuilder]: At program point L736-5(lines 732 756) the Hoare annotation is: false [2021-11-22 15:20:58,417 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 623) no Hoare annotation was computed. [2021-11-22 15:20:58,417 INFO L858 garLoopResultBuilder]: For program point L704(lines 704 710) no Hoare annotation was computed. [2021-11-22 15:20:58,418 INFO L858 garLoopResultBuilder]: For program point L704-2(lines 703 722) no Hoare annotation was computed. [2021-11-22 15:20:58,418 INFO L858 garLoopResultBuilder]: For program point L704-3(lines 704 710) no Hoare annotation was computed. [2021-11-22 15:20:58,418 INFO L854 garLoopResultBuilder]: At program point L638-2(lines 638 683) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (<= ~waterLevel~0 1) .cse0 .cse1) (and (not (= ~pumpRunning~0 0)) .cse0 .cse1))) [2021-11-22 15:20:58,418 INFO L858 garLoopResultBuilder]: For program point L704-5(lines 703 722) no Hoare annotation was computed. [2021-11-22 15:20:58,418 INFO L858 garLoopResultBuilder]: For program point L704-6(lines 704 710) no Hoare annotation was computed. [2021-11-22 15:20:58,418 INFO L858 garLoopResultBuilder]: For program point L704-8(lines 703 722) no Hoare annotation was computed. [2021-11-22 15:20:58,419 INFO L854 garLoopResultBuilder]: At program point L721(lines 700 723) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (<= ~waterLevel~0 1) .cse0 .cse1) (and (not (= ~pumpRunning~0 0)) .cse0 .cse1))) [2021-11-22 15:20:58,419 INFO L854 garLoopResultBuilder]: At program point L721-1(lines 700 723) the Hoare annotation is: false [2021-11-22 15:20:58,419 INFO L854 garLoopResultBuilder]: At program point L721-2(lines 700 723) the Hoare annotation is: false [2021-11-22 15:20:58,419 INFO L858 garLoopResultBuilder]: For program point L639(lines 638 683) no Hoare annotation was computed. [2021-11-22 15:20:58,419 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-22 15:20:58,420 INFO L861 garLoopResultBuilder]: At program point L689(lines 628 691) the Hoare annotation is: true [2021-11-22 15:20:58,420 INFO L858 garLoopResultBuilder]: For program point L623(line 623) no Hoare annotation was computed. [2021-11-22 15:20:58,420 INFO L858 garLoopResultBuilder]: For program point L623-1(line 623) no Hoare annotation was computed. [2021-11-22 15:20:58,420 INFO L858 garLoopResultBuilder]: For program point L623-2(line 623) no Hoare annotation was computed. [2021-11-22 15:20:58,420 INFO L858 garLoopResultBuilder]: For program point L838(lines 838 842) no Hoare annotation was computed. [2021-11-22 15:20:58,420 INFO L858 garLoopResultBuilder]: For program point L838-2(lines 838 842) no Hoare annotation was computed. [2021-11-22 15:20:58,421 INFO L858 garLoopResultBuilder]: For program point L838-3(lines 838 842) no Hoare annotation was computed. [2021-11-22 15:20:58,421 INFO L858 garLoopResultBuilder]: For program point L838-5(lines 838 842) no Hoare annotation was computed. [2021-11-22 15:20:58,421 INFO L858 garLoopResultBuilder]: For program point L640(lines 640 644) no Hoare annotation was computed. [2021-11-22 15:20:58,421 INFO L858 garLoopResultBuilder]: For program point L838-6(lines 838 842) no Hoare annotation was computed. [2021-11-22 15:20:58,421 INFO L858 garLoopResultBuilder]: For program point L838-8(lines 838 842) no Hoare annotation was computed. [2021-11-22 15:20:58,421 INFO L854 garLoopResultBuilder]: At program point L789(lines 784 792) the Hoare annotation is: (and (not (= ~pumpRunning~0 0)) (not (= |ULTIMATE.start_isPumpRunning_#res#1| 0)) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-22 15:20:58,423 INFO L854 garLoopResultBuilder]: At program point L789-1(lines 784 792) the Hoare annotation is: false [2021-11-22 15:20:58,424 INFO L854 garLoopResultBuilder]: At program point L789-2(lines 784 792) the Hoare annotation is: false [2021-11-22 15:20:58,424 INFO L861 garLoopResultBuilder]: At program point L178(lines 153 182) the Hoare annotation is: true [2021-11-22 15:20:58,424 INFO L854 garLoopResultBuilder]: At program point L145(lines 136 149) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res#1| 0) .cse1 .cse2) (and .cse0 (<= ~waterLevel~0 1) .cse1 .cse2))) [2021-11-22 15:20:58,424 INFO L854 garLoopResultBuilder]: At program point L624(lines 619 626) the Hoare annotation is: false [2021-11-22 15:20:58,425 INFO L854 garLoopResultBuilder]: At program point L145-1(lines 136 149) the Hoare annotation is: false [2021-11-22 15:20:58,425 INFO L854 garLoopResultBuilder]: At program point L624-1(lines 619 626) the Hoare annotation is: false [2021-11-22 15:20:58,425 INFO L854 garLoopResultBuilder]: At program point L145-2(lines 136 149) the Hoare annotation is: false [2021-11-22 15:20:58,425 INFO L854 garLoopResultBuilder]: At program point L624-2(lines 619 626) the Hoare annotation is: false [2021-11-22 15:20:58,426 INFO L854 garLoopResultBuilder]: At program point L905(lines 901 907) the Hoare annotation is: (and (= ~pumpRunning~0 0) (<= ~waterLevel~0 1) (= 1 ~systemActive~0)) [2021-11-22 15:20:58,426 INFO L858 garLoopResultBuilder]: For program point L740(lines 740 748) no Hoare annotation was computed. [2021-11-22 15:20:58,426 INFO L858 garLoopResultBuilder]: For program point L674(lines 674 678) no Hoare annotation was computed. [2021-11-22 15:20:58,426 INFO L858 garLoopResultBuilder]: For program point L740-3(lines 740 748) no Hoare annotation was computed. [2021-11-22 15:20:58,427 INFO L858 garLoopResultBuilder]: For program point L674-2(lines 668 679) no Hoare annotation was computed. [2021-11-22 15:20:58,427 INFO L858 garLoopResultBuilder]: For program point L63(lines 63 67) no Hoare annotation was computed. [2021-11-22 15:20:58,427 INFO L858 garLoopResultBuilder]: For program point L740-6(lines 740 748) no Hoare annotation was computed. [2021-11-22 15:20:58,427 INFO L854 garLoopResultBuilder]: At program point L63-2(lines 59 70) the Hoare annotation is: (and (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-22 15:20:58,428 INFO L858 garLoopResultBuilder]: For program point L63-3(lines 63 67) no Hoare annotation was computed. [2021-11-22 15:20:58,428 INFO L854 garLoopResultBuilder]: At program point L63-5(lines 59 70) the Hoare annotation is: false [2021-11-22 15:20:58,428 INFO L858 garLoopResultBuilder]: For program point L63-6(lines 63 67) no Hoare annotation was computed. [2021-11-22 15:20:58,428 INFO L854 garLoopResultBuilder]: At program point L63-8(lines 59 70) the Hoare annotation is: false [2021-11-22 15:20:58,429 INFO L854 garLoopResultBuilder]: At program point L212(lines 208 214) the Hoare annotation is: (and (= ~pumpRunning~0 0) (<= ~waterLevel~0 1) (= 1 ~systemActive~0)) [2021-11-22 15:20:58,429 INFO L858 garLoopResultBuilder]: For program point L658(lines 658 664) no Hoare annotation was computed. [2021-11-22 15:20:58,429 INFO L858 garLoopResultBuilder]: For program point L658-2(lines 658 664) no Hoare annotation was computed. [2021-11-22 15:20:58,429 INFO L854 garLoopResultBuilder]: At program point L163-2(lines 163 177) the Hoare annotation is: false [2021-11-22 15:20:58,429 INFO L858 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-11-22 15:20:58,430 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-22 15:20:58,430 INFO L858 garLoopResultBuilder]: For program point L858(lines 858 878) no Hoare annotation was computed. [2021-11-22 15:20:58,430 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 623) no Hoare annotation was computed. [2021-11-22 15:20:58,431 INFO L858 garLoopResultBuilder]: For program point L858-2(lines 858 878) no Hoare annotation was computed. [2021-11-22 15:20:58,431 INFO L858 garLoopResultBuilder]: For program point L858-4(lines 858 878) no Hoare annotation was computed. [2021-11-22 15:20:58,431 INFO L854 garLoopResultBuilder]: At program point L132(lines 127 135) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (<= ~waterLevel~0 1) .cse0 .cse1 (<= |ULTIMATE.start_getWaterLevel_#res#1| 1)) (and (not (= ~pumpRunning~0 0)) .cse0 .cse1))) [2021-11-22 15:20:58,431 INFO L854 garLoopResultBuilder]: At program point L132-1(lines 127 135) the Hoare annotation is: false [2021-11-22 15:20:58,432 INFO L854 garLoopResultBuilder]: At program point L132-2(lines 127 135) the Hoare annotation is: false [2021-11-22 15:20:58,432 INFO L861 garLoopResultBuilder]: At program point L248(lines 229 251) the Hoare annotation is: true [2021-11-22 15:20:58,432 INFO L858 garLoopResultBuilder]: For program point L711-1(lines 711 717) no Hoare annotation was computed. [2021-11-22 15:20:58,432 INFO L854 garLoopResultBuilder]: At program point L100(lines 95 103) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (<= ~waterLevel~0 1) .cse0 .cse1) (and (not (= ~pumpRunning~0 0)) .cse0 .cse1))) [2021-11-22 15:20:58,433 INFO L858 garLoopResultBuilder]: For program point L711-3(lines 711 717) no Hoare annotation was computed. [2021-11-22 15:20:58,433 INFO L854 garLoopResultBuilder]: At program point L100-1(lines 95 103) the Hoare annotation is: false [2021-11-22 15:20:58,433 INFO L858 garLoopResultBuilder]: For program point L711-5(lines 711 717) no Hoare annotation was computed. [2021-11-22 15:20:58,433 INFO L854 garLoopResultBuilder]: At program point L100-2(lines 95 103) the Hoare annotation is: false [2021-11-22 15:20:58,434 INFO L854 garLoopResultBuilder]: At program point L728(lines 724 730) the Hoare annotation is: (and (= ~pumpRunning~0 0) (<= ~waterLevel~0 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-22 15:20:58,434 INFO L854 garLoopResultBuilder]: At program point L728-1(lines 724 730) the Hoare annotation is: (and (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-22 15:20:58,434 INFO L854 garLoopResultBuilder]: At program point L728-2(lines 724 730) the Hoare annotation is: false [2021-11-22 15:20:58,434 INFO L854 garLoopResultBuilder]: At program point L728-3(lines 724 730) the Hoare annotation is: false [2021-11-22 15:20:58,435 INFO L854 garLoopResultBuilder]: At program point L728-4(lines 724 730) the Hoare annotation is: false [2021-11-22 15:20:58,435 INFO L854 garLoopResultBuilder]: At program point L728-5(lines 724 730) the Hoare annotation is: false [2021-11-22 15:20:58,435 INFO L854 garLoopResultBuilder]: At program point L844(lines 829 847) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (not (= |ULTIMATE.start_isHighWaterLevel_#res#1| 0)) (= |ULTIMATE.start_isHighWaterSensorDry_#res#1| 0) (not (= |ULTIMATE.start_isHighWaterLevel_~tmp___0~1#1| 0)) .cse1 .cse2 (= |ULTIMATE.start_isHighWaterLevel_~tmp~6#1| 0)) (and .cse0 (<= ~waterLevel~0 1) .cse1 .cse2))) [2021-11-22 15:20:58,435 INFO L854 garLoopResultBuilder]: At program point L844-1(lines 829 847) the Hoare annotation is: false [2021-11-22 15:20:58,436 INFO L854 garLoopResultBuilder]: At program point L844-2(lines 829 847) the Hoare annotation is: false [2021-11-22 15:20:58,436 INFO L858 garLoopResultBuilder]: For program point L167(lines 167 171) no Hoare annotation was computed. [2021-11-22 15:20:58,436 INFO L858 garLoopResultBuilder]: For program point L167-1(lines 167 171) no Hoare annotation was computed. [2021-11-22 15:20:58,441 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 15:20:58,443 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-22 15:20:58,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 03:20:58 BoogieIcfgContainer [2021-11-22 15:20:58,473 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-22 15:20:58,473 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 15:20:58,474 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 15:20:58,474 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 15:20:58,475 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 03:20:53" (3/4) ... [2021-11-22 15:20:58,478 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-22 15:20:58,503 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 59 nodes and edges [2021-11-22 15:20:58,504 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-11-22 15:20:58,505 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-22 15:20:58,507 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-22 15:20:58,508 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-22 15:20:58,509 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-22 15:20:58,510 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-22 15:20:58,546 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 0) && 1 == systemActive) && splverifierCounter == 0) || (((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) [2021-11-22 15:20:58,547 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel <= 1 && 1 == systemActive) && splverifierCounter == 0) && \result <= 1) || ((!(pumpRunning == 0) && 1 == systemActive) && splverifierCounter == 0) [2021-11-22 15:20:58,548 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 0 && !(\result == 0)) && \result == 0) && !(tmp___0 == 0)) && 1 == systemActive) && splverifierCounter == 0) && tmp == 0) || (((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) [2021-11-22 15:20:58,549 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\result == 0) && !(pumpRunning == 0)) && \result == 0) && !(tmp___0 == 0)) && 1 == systemActive) && splverifierCounter == 0) && !(tmp == 0)) && tmp == 0) || ((((!(pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) && !(tmp == 0)) [2021-11-22 15:20:58,549 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(pumpRunning == 0) && !(\result == 0)) && 1 == systemActive) && splverifierCounter == 0 [2021-11-22 15:20:58,610 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7a7dd08-4a84-404b-8bb1-29745589c866/bin/uautomizer-w2VwFs6gM0/witness.graphml [2021-11-22 15:20:58,611 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 15:20:58,612 INFO L158 Benchmark]: Toolchain (without parser) took 6866.69ms. Allocated memory was 98.6MB in the beginning and 155.2MB in the end (delta: 56.6MB). Free memory was 65.7MB in the beginning and 99.0MB in the end (delta: -33.3MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2021-11-22 15:20:58,612 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 98.6MB. Free memory was 54.0MB in the beginning and 53.9MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 15:20:58,613 INFO L158 Benchmark]: CACSL2BoogieTranslator took 758.40ms. Allocated memory was 98.6MB in the beginning and 127.9MB in the end (delta: 29.4MB). Free memory was 65.4MB in the beginning and 92.5MB in the end (delta: -27.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-22 15:20:58,613 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.94ms. Allocated memory is still 127.9MB. Free memory was 92.5MB in the beginning and 89.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 15:20:58,614 INFO L158 Benchmark]: Boogie Preprocessor took 44.80ms. Allocated memory is still 127.9MB. Free memory was 89.6MB in the beginning and 87.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 15:20:58,614 INFO L158 Benchmark]: RCFGBuilder took 813.85ms. Allocated memory is still 127.9MB. Free memory was 87.8MB in the beginning and 69.0MB in the end (delta: 18.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-22 15:20:58,615 INFO L158 Benchmark]: TraceAbstraction took 4967.54ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 102.3MB in the beginning and 107.5MB in the end (delta: -5.2MB). Peak memory consumption was 62.7MB. Max. memory is 16.1GB. [2021-11-22 15:20:58,615 INFO L158 Benchmark]: Witness Printer took 137.43ms. Allocated memory is still 155.2MB. Free memory was 107.5MB in the beginning and 99.0MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-22 15:20:58,618 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 98.6MB. Free memory was 54.0MB in the beginning and 53.9MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 758.40ms. Allocated memory was 98.6MB in the beginning and 127.9MB in the end (delta: 29.4MB). Free memory was 65.4MB in the beginning and 92.5MB in the end (delta: -27.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.94ms. Allocated memory is still 127.9MB. Free memory was 92.5MB in the beginning and 89.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.80ms. Allocated memory is still 127.9MB. Free memory was 89.6MB in the beginning and 87.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 813.85ms. Allocated memory is still 127.9MB. Free memory was 87.8MB in the beginning and 69.0MB in the end (delta: 18.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 4967.54ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 102.3MB in the beginning and 107.5MB in the end (delta: -5.2MB). Peak memory consumption was 62.7MB. Max. memory is 16.1GB. * Witness Printer took 137.43ms. Allocated memory is still 155.2MB. Free memory was 107.5MB in the beginning and 99.0MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 623]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 623]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 623]: 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, 114 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 4.9s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 973 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 973 mSDsluCounter, 1851 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 987 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 130 IncrementalHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 864 mSDtfsCounter, 130 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=137occurred in iteration=5, InterpolantAutomatonStates: 39, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 540 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 52 PreInvPairs, 123 NumberOfFragments, 385 HoareAnnotationTreeSize, 52 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 52 FomulaSimplificationsInter, 20595 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 275 NumberOfCodeBlocks, 275 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 266 ConstructedInterpolants, 0 QuantifiedInterpolants, 556 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: ((!(pumpRunning == 0) && !(\result == 0)) && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 637]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 83]: Loop Invariant Derived loop invariant: 1 == systemActive && splverifierCounter == 0 - InvariantResult [Line: 732]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: ((waterLevel <= 1 && 1 == systemActive) && splverifierCounter == 0) || ((!(pumpRunning == 0) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 0 && !(\result == 0)) && \result == 0) && !(tmp___0 == 0)) && 1 == systemActive) && splverifierCounter == 0) && tmp == 0) || (((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: ((waterLevel <= 1 && 1 == systemActive) && splverifierCounter == 0) || ((!(pumpRunning == 0) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 628]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: ((waterLevel <= 1 && 1 == systemActive) && splverifierCounter == 0) || ((!(pumpRunning == 0) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 724]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 894]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: (((((((!(\result == 0) && !(pumpRunning == 0)) && \result == 0) && !(tmp___0 == 0)) && 1 == systemActive) && splverifierCounter == 0) && !(tmp == 0)) && tmp == 0) || ((((!(pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) && !(tmp == 0)) - InvariantResult [Line: 724]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 724]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 619]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 732]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 724]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 849]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 1 == systemActive && splverifierCounter == 0 - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive - InvariantResult [Line: 724]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: ((waterLevel <= 1 && 1 == systemActive) && splverifierCounter == 0) || ((!(pumpRunning == 0) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 0) && 1 == systemActive) && splverifierCounter == 0) || (((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: (((waterLevel <= 1 && 1 == systemActive) && splverifierCounter == 0) && \result <= 1) || ((!(pumpRunning == 0) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 732]: Loop Invariant Derived loop invariant: ((waterLevel <= 1 && 1 == systemActive) && splverifierCounter == 0) || ((!(pumpRunning == 0) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 724]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-22 15:20:58,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7a7dd08-4a84-404b-8bb1-29745589c866/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE