./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3b1c8b-6ae5-4ece-bb4e-581d95d867a2/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3b1c8b-6ae5-4ece-bb4e-581d95d867a2/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3b1c8b-6ae5-4ece-bb4e-581d95d867a2/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3b1c8b-6ae5-4ece-bb4e-581d95d867a2/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3b1c8b-6ae5-4ece-bb4e-581d95d867a2/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3b1c8b-6ae5-4ece-bb4e-581d95d867a2/bin/uautomizer-Z5i5R5N3CC --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 078eafdb571868894c038a80ec14b552193cf718 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:23:28,622 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:23:28,625 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:23:28,662 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:23:28,663 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:23:28,664 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:23:28,666 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:23:28,669 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:23:28,671 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:23:28,672 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:23:28,673 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:23:28,675 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:23:28,675 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:23:28,677 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:23:28,678 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:23:28,680 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:23:28,682 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:23:28,684 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:23:28,686 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:23:28,689 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:23:28,691 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:23:28,692 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:23:28,694 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:23:28,695 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:23:28,699 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:23:28,699 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:23:28,700 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:23:28,701 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:23:28,701 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:23:28,703 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:23:28,703 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:23:28,704 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:23:28,705 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:23:28,706 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:23:28,707 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:23:28,708 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:23:28,709 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:23:28,709 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:23:28,710 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:23:28,711 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:23:28,712 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:23:28,713 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3b1c8b-6ae5-4ece-bb4e-581d95d867a2/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:23:28,736 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:23:28,737 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:23:28,738 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:23:28,738 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:23:28,739 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:23:28,739 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:23:28,740 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:23:28,740 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:23:28,740 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:23:28,740 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:23:28,740 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:23:28,741 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:23:28,741 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:23:28,741 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:23:28,741 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:23:28,742 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:23:28,742 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:23:28,742 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:23:28,742 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:23:28,743 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:23:28,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:23:28,743 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:23:28,743 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:23:28,743 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:23:28,744 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:23:28,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:23:28,744 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:23:28,744 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:23:28,745 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_0e3b1c8b-6ae5-4ece-bb4e-581d95d867a2/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3b1c8b-6ae5-4ece-bb4e-581d95d867a2/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 078eafdb571868894c038a80ec14b552193cf718 [2021-10-11 00:23:29,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:23:29,045 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:23:29,048 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:23:29,049 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:23:29,050 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:23:29,051 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3b1c8b-6ae5-4ece-bb4e-581d95d867a2/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c [2021-10-11 00:23:29,113 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3b1c8b-6ae5-4ece-bb4e-581d95d867a2/bin/uautomizer-Z5i5R5N3CC/data/818895e87/a0e8756e64fa4946b52eb69cd18f9b45/FLAG6fd734b04 [2021-10-11 00:23:29,586 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:23:29,597 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3b1c8b-6ae5-4ece-bb4e-581d95d867a2/sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c [2021-10-11 00:23:29,612 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3b1c8b-6ae5-4ece-bb4e-581d95d867a2/bin/uautomizer-Z5i5R5N3CC/data/818895e87/a0e8756e64fa4946b52eb69cd18f9b45/FLAG6fd734b04 [2021-10-11 00:23:29,931 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3b1c8b-6ae5-4ece-bb4e-581d95d867a2/bin/uautomizer-Z5i5R5N3CC/data/818895e87/a0e8756e64fa4946b52eb69cd18f9b45 [2021-10-11 00:23:29,933 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:23:29,934 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:23:29,936 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:23:29,936 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:23:29,940 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:23:29,940 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:23:29" (1/1) ... [2021-10-11 00:23:29,942 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7680acac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:29, skipping insertion in model container [2021-10-11 00:23:29,943 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:23:29" (1/1) ... [2021-10-11 00:23:29,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:23:30,021 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:23:30,350 WARN L226 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_0e3b1c8b-6ae5-4ece-bb4e-581d95d867a2/sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c[15846,15859] [2021-10-11 00:23:30,365 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:23:30,374 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:23:30,504 WARN L226 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_0e3b1c8b-6ae5-4ece-bb4e-581d95d867a2/sv-benchmarks/c/product-lines/minepump_spec5_product33.cil.c[15846,15859] [2021-10-11 00:23:30,511 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:23:30,548 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:23:30,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:30 WrapperNode [2021-10-11 00:23:30,550 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:23:30,551 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:23:30,551 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:23:30,553 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:23:30,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:30" (1/1) ... [2021-10-11 00:23:30,578 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:30" (1/1) ... [2021-10-11 00:23:30,624 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:23:30,625 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:23:30,625 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:23:30,626 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:23:30,637 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:30" (1/1) ... [2021-10-11 00:23:30,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:30" (1/1) ... [2021-10-11 00:23:30,642 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:30" (1/1) ... [2021-10-11 00:23:30,642 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:30" (1/1) ... [2021-10-11 00:23:30,672 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:30" (1/1) ... [2021-10-11 00:23:30,679 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:30" (1/1) ... [2021-10-11 00:23:30,681 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:30" (1/1) ... [2021-10-11 00:23:30,690 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:23:30,692 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:23:30,693 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:23:30,693 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:23:30,695 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:30" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3b1c8b-6ae5-4ece-bb4e-581d95d867a2/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:23:30,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:23:30,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:23:30,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:23:30,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:23:31,672 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:23:31,672 INFO L299 CfgBuilder]: Removed 110 assume(true) statements. [2021-10-11 00:23:31,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:23:31 BoogieIcfgContainer [2021-10-11 00:23:31,674 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:23:31,676 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:23:31,676 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:23:31,680 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:23:31,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:23:29" (1/3) ... [2021-10-11 00:23:31,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fec42a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:23:31, skipping insertion in model container [2021-10-11 00:23:31,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:30" (2/3) ... [2021-10-11 00:23:31,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fec42a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:23:31, skipping insertion in model container [2021-10-11 00:23:31,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:23:31" (3/3) ... [2021-10-11 00:23:31,683 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product33.cil.c [2021-10-11 00:23:31,697 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:23:31,701 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 00:23:31,712 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 00:23:31,736 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:23:31,736 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:23:31,737 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:23:31,737 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:23:31,737 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:23:31,737 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:23:31,737 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:23:31,737 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:23:31,753 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states. [2021-10-11 00:23:31,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 00:23:31,759 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:23:31,759 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:23:31,760 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:23:31,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:23:31,766 INFO L82 PathProgramCache]: Analyzing trace with hash -679137529, now seen corresponding path program 1 times [2021-10-11 00:23:31,774 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:23:31,775 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244611400] [2021-10-11 00:23:31,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:23:31,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:23:32,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:23:32,069 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244611400] [2021-10-11 00:23:32,071 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:23:32,071 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:23:32,088 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854118191] [2021-10-11 00:23:32,093 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:23:32,093 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:23:32,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:23:32,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:23:32,112 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 2 states. [2021-10-11 00:23:32,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:23:32,155 INFO L93 Difference]: Finished difference Result 167 states and 250 transitions. [2021-10-11 00:23:32,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:23:32,156 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2021-10-11 00:23:32,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:23:32,174 INFO L225 Difference]: With dead ends: 167 [2021-10-11 00:23:32,174 INFO L226 Difference]: Without dead ends: 83 [2021-10-11 00:23:32,178 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:23:32,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2021-10-11 00:23:32,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2021-10-11 00:23:32,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2021-10-11 00:23:32,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 117 transitions. [2021-10-11 00:23:32,231 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 117 transitions. Word has length 19 [2021-10-11 00:23:32,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:23:32,232 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 117 transitions. [2021-10-11 00:23:32,233 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:23:32,233 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions. [2021-10-11 00:23:32,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-11 00:23:32,236 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:23:32,236 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:23:32,236 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:23:32,236 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:23:32,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:23:32,238 INFO L82 PathProgramCache]: Analyzing trace with hash 1126882024, now seen corresponding path program 1 times [2021-10-11 00:23:32,239 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:23:32,239 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103262296] [2021-10-11 00:23:32,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:23:32,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:23:32,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:23:32,401 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103262296] [2021-10-11 00:23:32,401 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:23:32,402 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:23:32,402 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853354495] [2021-10-11 00:23:32,403 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:23:32,404 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:23:32,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:23:32,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:23:32,406 INFO L87 Difference]: Start difference. First operand 83 states and 117 transitions. Second operand 3 states. [2021-10-11 00:23:32,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:23:32,431 INFO L93 Difference]: Finished difference Result 83 states and 117 transitions. [2021-10-11 00:23:32,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:23:32,432 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2021-10-11 00:23:32,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:23:32,434 INFO L225 Difference]: With dead ends: 83 [2021-10-11 00:23:32,435 INFO L226 Difference]: Without dead ends: 38 [2021-10-11 00:23:32,436 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:23:32,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2021-10-11 00:23:32,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2021-10-11 00:23:32,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2021-10-11 00:23:32,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 53 transitions. [2021-10-11 00:23:32,447 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 53 transitions. Word has length 20 [2021-10-11 00:23:32,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:23:32,448 INFO L481 AbstractCegarLoop]: Abstraction has 38 states and 53 transitions. [2021-10-11 00:23:32,448 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:23:32,448 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2021-10-11 00:23:32,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 00:23:32,450 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:23:32,450 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:23:32,450 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:23:32,451 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:23:32,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:23:32,452 INFO L82 PathProgramCache]: Analyzing trace with hash -2132610152, now seen corresponding path program 1 times [2021-10-11 00:23:32,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:23:32,453 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919079306] [2021-10-11 00:23:32,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:23:32,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:23:32,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:23:32,556 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919079306] [2021-10-11 00:23:32,556 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:23:32,557 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:23:32,557 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611624413] [2021-10-11 00:23:32,557 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:23:32,558 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:23:32,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:23:32,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:23:32,559 INFO L87 Difference]: Start difference. First operand 38 states and 53 transitions. Second operand 3 states. [2021-10-11 00:23:32,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:23:32,564 INFO L93 Difference]: Finished difference Result 69 states and 99 transitions. [2021-10-11 00:23:32,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:23:32,565 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2021-10-11 00:23:32,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:23:32,566 INFO L225 Difference]: With dead ends: 69 [2021-10-11 00:23:32,566 INFO L226 Difference]: Without dead ends: 38 [2021-10-11 00:23:32,566 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:23:32,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2021-10-11 00:23:32,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2021-10-11 00:23:32,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2021-10-11 00:23:32,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 52 transitions. [2021-10-11 00:23:32,571 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 52 transitions. Word has length 26 [2021-10-11 00:23:32,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:23:32,572 INFO L481 AbstractCegarLoop]: Abstraction has 38 states and 52 transitions. [2021-10-11 00:23:32,572 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:23:32,572 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2021-10-11 00:23:32,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-11 00:23:32,573 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:23:32,573 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:23:32,573 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:23:32,573 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:23:32,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:23:32,574 INFO L82 PathProgramCache]: Analyzing trace with hash -1540100165, now seen corresponding path program 1 times [2021-10-11 00:23:32,574 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:23:32,575 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51114935] [2021-10-11 00:23:32,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:23:32,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:23:32,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:23:32,669 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51114935] [2021-10-11 00:23:32,669 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:23:32,669 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:23:32,670 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423647417] [2021-10-11 00:23:32,670 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:23:32,670 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:23:32,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:23:32,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:23:32,672 INFO L87 Difference]: Start difference. First operand 38 states and 52 transitions. Second operand 3 states. [2021-10-11 00:23:32,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:23:32,713 INFO L93 Difference]: Finished difference Result 93 states and 131 transitions. [2021-10-11 00:23:32,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:23:32,714 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2021-10-11 00:23:32,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:23:32,715 INFO L225 Difference]: With dead ends: 93 [2021-10-11 00:23:32,716 INFO L226 Difference]: Without dead ends: 62 [2021-10-11 00:23:32,717 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:23:32,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2021-10-11 00:23:32,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 60. [2021-10-11 00:23:32,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2021-10-11 00:23:32,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 83 transitions. [2021-10-11 00:23:32,729 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 83 transitions. Word has length 27 [2021-10-11 00:23:32,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:23:32,729 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 83 transitions. [2021-10-11 00:23:32,729 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:23:32,730 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2021-10-11 00:23:32,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 00:23:32,731 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:23:32,731 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:23:32,732 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:23:32,732 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:23:32,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:23:32,733 INFO L82 PathProgramCache]: Analyzing trace with hash 1679133674, now seen corresponding path program 1 times [2021-10-11 00:23:32,733 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:23:32,733 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306414277] [2021-10-11 00:23:32,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:23:32,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:23:32,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:23:32,842 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306414277] [2021-10-11 00:23:32,842 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:23:32,842 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:23:32,843 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864456382] [2021-10-11 00:23:32,843 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:23:32,843 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:23:32,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:23:32,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:23:32,847 INFO L87 Difference]: Start difference. First operand 60 states and 83 transitions. Second operand 5 states. [2021-10-11 00:23:32,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:23:32,935 INFO L93 Difference]: Finished difference Result 157 states and 217 transitions. [2021-10-11 00:23:32,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:23:32,936 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2021-10-11 00:23:32,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:23:32,937 INFO L225 Difference]: With dead ends: 157 [2021-10-11 00:23:32,937 INFO L226 Difference]: Without dead ends: 104 [2021-10-11 00:23:32,938 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:23:32,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-10-11 00:23:32,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 63. [2021-10-11 00:23:32,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2021-10-11 00:23:32,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 86 transitions. [2021-10-11 00:23:32,946 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 86 transitions. Word has length 33 [2021-10-11 00:23:32,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:23:32,946 INFO L481 AbstractCegarLoop]: Abstraction has 63 states and 86 transitions. [2021-10-11 00:23:32,947 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:23:32,947 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2021-10-11 00:23:32,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 00:23:32,948 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:23:32,948 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:23:32,948 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:23:32,948 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:23:32,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:23:32,949 INFO L82 PathProgramCache]: Analyzing trace with hash -1682369913, now seen corresponding path program 1 times [2021-10-11 00:23:32,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:23:32,949 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412156457] [2021-10-11 00:23:32,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:23:32,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:23:33,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:23:33,003 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412156457] [2021-10-11 00:23:33,003 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:23:33,003 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:23:33,003 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236977734] [2021-10-11 00:23:33,003 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:23:33,004 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:23:33,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:23:33,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:23:33,004 INFO L87 Difference]: Start difference. First operand 63 states and 86 transitions. Second operand 5 states. [2021-10-11 00:23:33,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:23:33,138 INFO L93 Difference]: Finished difference Result 216 states and 299 transitions. [2021-10-11 00:23:33,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 00:23:33,139 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2021-10-11 00:23:33,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:23:33,140 INFO L225 Difference]: With dead ends: 216 [2021-10-11 00:23:33,141 INFO L226 Difference]: Without dead ends: 160 [2021-10-11 00:23:33,141 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 00:23:33,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2021-10-11 00:23:33,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 62. [2021-10-11 00:23:33,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2021-10-11 00:23:33,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 83 transitions. [2021-10-11 00:23:33,150 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 83 transitions. Word has length 33 [2021-10-11 00:23:33,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:23:33,151 INFO L481 AbstractCegarLoop]: Abstraction has 62 states and 83 transitions. [2021-10-11 00:23:33,151 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:23:33,151 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 83 transitions. [2021-10-11 00:23:33,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 00:23:33,152 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:23:33,153 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:23:33,153 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-11 00:23:33,153 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:23:33,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:23:33,154 INFO L82 PathProgramCache]: Analyzing trace with hash -1914769044, now seen corresponding path program 1 times [2021-10-11 00:23:33,154 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:23:33,154 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159819533] [2021-10-11 00:23:33,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:23:33,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:23:33,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:23:33,204 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159819533] [2021-10-11 00:23:33,204 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:23:33,205 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:23:33,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470196905] [2021-10-11 00:23:33,205 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:23:33,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:23:33,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:23:33,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:23:33,206 INFO L87 Difference]: Start difference. First operand 62 states and 83 transitions. Second operand 5 states. [2021-10-11 00:23:33,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:23:33,285 INFO L93 Difference]: Finished difference Result 164 states and 221 transitions. [2021-10-11 00:23:33,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:23:33,286 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2021-10-11 00:23:33,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:23:33,287 INFO L225 Difference]: With dead ends: 164 [2021-10-11 00:23:33,287 INFO L226 Difference]: Without dead ends: 109 [2021-10-11 00:23:33,288 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-11 00:23:33,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2021-10-11 00:23:33,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 64. [2021-10-11 00:23:33,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2021-10-11 00:23:33,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 85 transitions. [2021-10-11 00:23:33,297 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 85 transitions. Word has length 33 [2021-10-11 00:23:33,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:23:33,298 INFO L481 AbstractCegarLoop]: Abstraction has 64 states and 85 transitions. [2021-10-11 00:23:33,298 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:23:33,298 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2021-10-11 00:23:33,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 00:23:33,299 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:23:33,300 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:23:33,300 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-11 00:23:33,300 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:23:33,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:23:33,301 INFO L82 PathProgramCache]: Analyzing trace with hash 1793392238, now seen corresponding path program 1 times [2021-10-11 00:23:33,301 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:23:33,301 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293293961] [2021-10-11 00:23:33,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:23:33,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:23:33,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:23:33,349 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293293961] [2021-10-11 00:23:33,349 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:23:33,349 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:23:33,349 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36584739] [2021-10-11 00:23:33,350 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:23:33,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:23:33,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:23:33,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:23:33,351 INFO L87 Difference]: Start difference. First operand 64 states and 85 transitions. Second operand 3 states. [2021-10-11 00:23:33,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:23:33,373 INFO L93 Difference]: Finished difference Result 148 states and 198 transitions. [2021-10-11 00:23:33,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:23:33,374 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2021-10-11 00:23:33,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:23:33,375 INFO L225 Difference]: With dead ends: 148 [2021-10-11 00:23:33,375 INFO L226 Difference]: Without dead ends: 91 [2021-10-11 00:23:33,376 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:23:33,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2021-10-11 00:23:33,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2021-10-11 00:23:33,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2021-10-11 00:23:33,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 118 transitions. [2021-10-11 00:23:33,387 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 118 transitions. Word has length 33 [2021-10-11 00:23:33,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:23:33,387 INFO L481 AbstractCegarLoop]: Abstraction has 91 states and 118 transitions. [2021-10-11 00:23:33,387 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:23:33,387 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 118 transitions. [2021-10-11 00:23:33,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 00:23:33,389 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:23:33,389 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:23:33,389 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-11 00:23:33,389 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:23:33,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:23:33,390 INFO L82 PathProgramCache]: Analyzing trace with hash -606942930, now seen corresponding path program 1 times [2021-10-11 00:23:33,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:23:33,390 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096907222] [2021-10-11 00:23:33,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:23:33,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:23:33,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:23:33,506 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096907222] [2021-10-11 00:23:33,506 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:23:33,506 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 00:23:33,507 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152572420] [2021-10-11 00:23:33,507 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-10-11 00:23:33,507 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:23:33,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-11 00:23:33,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:23:33,508 INFO L87 Difference]: Start difference. First operand 91 states and 118 transitions. Second operand 7 states. [2021-10-11 00:23:33,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:23:33,742 INFO L93 Difference]: Finished difference Result 420 states and 569 transitions. [2021-10-11 00:23:33,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-11 00:23:33,743 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2021-10-11 00:23:33,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:23:33,745 INFO L225 Difference]: With dead ends: 420 [2021-10-11 00:23:33,745 INFO L226 Difference]: Without dead ends: 363 [2021-10-11 00:23:33,746 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2021-10-11 00:23:33,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2021-10-11 00:23:33,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 155. [2021-10-11 00:23:33,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2021-10-11 00:23:33,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 203 transitions. [2021-10-11 00:23:33,766 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 203 transitions. Word has length 34 [2021-10-11 00:23:33,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:23:33,767 INFO L481 AbstractCegarLoop]: Abstraction has 155 states and 203 transitions. [2021-10-11 00:23:33,767 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-10-11 00:23:33,767 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 203 transitions. [2021-10-11 00:23:33,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-11 00:23:33,768 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:23:33,768 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:23:33,768 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-11 00:23:33,769 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:23:33,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:23:33,769 INFO L82 PathProgramCache]: Analyzing trace with hash -242371192, now seen corresponding path program 1 times [2021-10-11 00:23:33,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:23:33,770 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437479649] [2021-10-11 00:23:33,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:23:33,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:23:33,844 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:23:33,844 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437479649] [2021-10-11 00:23:33,845 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [240551933] [2021-10-11 00:23:33,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3b1c8b-6ae5-4ece-bb4e-581d95d867a2/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:23:34,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:23:34,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 00:23:34,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:23:34,140 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:23:34,141 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-11 00:23:34,141 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2021-10-11 00:23:34,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367407259] [2021-10-11 00:23:34,142 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-10-11 00:23:34,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:23:34,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-11 00:23:34,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-11 00:23:34,143 INFO L87 Difference]: Start difference. First operand 155 states and 203 transitions. Second operand 9 states. [2021-10-11 00:23:34,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:23:34,380 INFO L93 Difference]: Finished difference Result 282 states and 375 transitions. [2021-10-11 00:23:34,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:23:34,381 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 51 [2021-10-11 00:23:34,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:23:34,382 INFO L225 Difference]: With dead ends: 282 [2021-10-11 00:23:34,382 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:23:34,384 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2021-10-11 00:23:34,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:23:34,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:23:34,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:23:34,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:23:34,385 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2021-10-11 00:23:34,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:23:34,385 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:23:34,385 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-10-11 00:23:34,385 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:23:34,385 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:23:34,599 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-10-11 00:23:34,600 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:23:35,028 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 26 [2021-10-11 00:23:35,231 WARN L197 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 26 [2021-10-11 00:23:35,360 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 25 [2021-10-11 00:23:35,502 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 25 [2021-10-11 00:23:35,641 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 29 [2021-10-11 00:23:35,823 WARN L197 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 28 [2021-10-11 00:23:36,041 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 25 [2021-10-11 00:23:36,266 WARN L197 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 26 [2021-10-11 00:23:36,269 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 782) no Hoare annotation was computed. [2021-10-11 00:23:36,270 INFO L262 CegarLoopResult]: For program point L432(lines 432 438) no Hoare annotation was computed. [2021-10-11 00:23:36,272 INFO L258 CegarLoopResult]: At program point L432-1(lines 432 438) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse4 .cse3) (and (= ~waterLevel~0 1) .cse2 .cse4 .cse3) (and .cse0 (<= ~waterLevel~0 1) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2 .cse3))) [2021-10-11 00:23:36,272 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:23:36,272 INFO L262 CegarLoopResult]: For program point L631(lines 631 635) no Hoare annotation was computed. [2021-10-11 00:23:36,272 INFO L262 CegarLoopResult]: For program point L631-2(lines 631 635) no Hoare annotation was computed. [2021-10-11 00:23:36,273 INFO L262 CegarLoopResult]: For program point L631-3(lines 631 635) no Hoare annotation was computed. [2021-10-11 00:23:36,273 INFO L262 CegarLoopResult]: For program point L631-5(lines 631 635) no Hoare annotation was computed. [2021-10-11 00:23:36,273 INFO L262 CegarLoopResult]: For program point L631-6(lines 631 635) no Hoare annotation was computed. [2021-10-11 00:23:36,273 INFO L262 CegarLoopResult]: For program point L631-8(lines 631 635) no Hoare annotation was computed. [2021-10-11 00:23:36,273 INFO L258 CegarLoopResult]: At program point L582(lines 577 585) the Hoare annotation is: (let ((.cse2 (= 2 ~waterLevel~0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= 1 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse2 .cse3 .cse5 .cse6 .cse4) (and .cse0 (<= ~waterLevel~0 1) (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse3 .cse4) (and (= ~waterLevel~0 1) .cse3 .cse5 .cse6 .cse4))) [2021-10-11 00:23:36,274 INFO L258 CegarLoopResult]: At program point L582-1(lines 577 585) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 1) (= ULTIMATE.start_processEnvironment_~tmp~4 0) .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse1) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (or (<= ~waterLevel~0 1) (= 2 ~waterLevel~0)) .cse0 .cse1))) [2021-10-11 00:23:36,274 INFO L258 CegarLoopResult]: At program point L582-2(lines 577 585) the Hoare annotation is: false [2021-10-11 00:23:36,274 INFO L258 CegarLoopResult]: At program point L582-3(lines 577 585) the Hoare annotation is: false [2021-10-11 00:23:36,274 INFO L258 CegarLoopResult]: At program point L582-4(lines 577 585) the Hoare annotation is: false [2021-10-11 00:23:36,274 INFO L258 CegarLoopResult]: At program point L582-5(lines 577 585) the Hoare annotation is: false [2021-10-11 00:23:36,274 INFO L258 CegarLoopResult]: At program point L863(lines 858 866) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_processEnvironment_~tmp~4 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse4 (= 2 ~waterLevel~0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_getWaterLevel_#res| 2))) (or (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse2 .cse3 .cse5) (and .cse6 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (or (<= ~waterLevel~0 1) .cse4) .cse1 .cse3) (and .cse6 .cse4 .cse1 .cse3 .cse5))) [2021-10-11 00:23:36,275 INFO L258 CegarLoopResult]: At program point L863-1(lines 858 866) the Hoare annotation is: false [2021-10-11 00:23:36,275 INFO L258 CegarLoopResult]: At program point L863-2(lines 858 866) the Hoare annotation is: false [2021-10-11 00:23:36,275 INFO L262 CegarLoopResult]: For program point L764(lines 764 771) no Hoare annotation was computed. [2021-10-11 00:23:36,275 INFO L265 CegarLoopResult]: At program point L764-1(lines 764 771) the Hoare annotation is: true [2021-10-11 00:23:36,275 INFO L262 CegarLoopResult]: For program point L533(lines 533 541) no Hoare annotation was computed. [2021-10-11 00:23:36,275 INFO L262 CegarLoopResult]: For program point L533-1(lines 533 541) no Hoare annotation was computed. [2021-10-11 00:23:36,275 INFO L262 CegarLoopResult]: For program point L533-2(lines 533 541) no Hoare annotation was computed. [2021-10-11 00:23:36,276 INFO L262 CegarLoopResult]: For program point L913(lines 913 923) no Hoare annotation was computed. [2021-10-11 00:23:36,276 INFO L262 CegarLoopResult]: For program point L913-2(lines 913 923) no Hoare annotation was computed. [2021-10-11 00:23:36,277 INFO L262 CegarLoopResult]: For program point L913-4(lines 913 923) no Hoare annotation was computed. [2021-10-11 00:23:36,277 INFO L258 CegarLoopResult]: At program point L468(lines 421 469) the Hoare annotation is: false [2021-10-11 00:23:36,277 INFO L262 CegarLoopResult]: For program point L914(lines 914 920) no Hoare annotation was computed. [2021-10-11 00:23:36,277 INFO L262 CegarLoopResult]: For program point L914-2(lines 914 920) no Hoare annotation was computed. [2021-10-11 00:23:36,277 INFO L262 CegarLoopResult]: For program point L782(line 782) no Hoare annotation was computed. [2021-10-11 00:23:36,277 INFO L262 CegarLoopResult]: For program point L914-4(lines 914 920) no Hoare annotation was computed. [2021-10-11 00:23:36,277 INFO L262 CegarLoopResult]: For program point L782-1(line 782) no Hoare annotation was computed. [2021-10-11 00:23:36,278 INFO L262 CegarLoopResult]: For program point L782-2(line 782) no Hoare annotation was computed. [2021-10-11 00:23:36,278 INFO L262 CegarLoopResult]: For program point L452(lines 452 463) no Hoare annotation was computed. [2021-10-11 00:23:36,278 INFO L258 CegarLoopResult]: At program point L898(lines 497 503) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (or (<= ~waterLevel~0 1) .cse0) .cse1 .cse4) (and (= ~waterLevel~0 1) .cse1 .cse2 .cse3 .cse4))) [2021-10-11 00:23:36,278 INFO L258 CegarLoopResult]: At program point L898-1(lines 497 503) the Hoare annotation is: false [2021-10-11 00:23:36,278 INFO L258 CegarLoopResult]: At program point L898-2(lines 497 503) the Hoare annotation is: false [2021-10-11 00:23:36,282 INFO L258 CegarLoopResult]: At program point L667(lines 1 929) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-10-11 00:23:36,282 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:23:36,282 INFO L258 CegarLoopResult]: At program point L504(lines 504 510) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse4 (= ULTIMATE.start_processEnvironment_~tmp~4 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and (= ~waterLevel~0 1) .cse4 .cse2 .cse5 .cse3) (and .cse1 .cse4 .cse2 .cse5 .cse3) (and .cse0 (<= ~waterLevel~0 1) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2 .cse3))) [2021-10-11 00:23:36,283 INFO L258 CegarLoopResult]: At program point L504-1(lines 504 510) the Hoare annotation is: false [2021-10-11 00:23:36,283 INFO L258 CegarLoopResult]: At program point L504-2(lines 504 510) the Hoare annotation is: false [2021-10-11 00:23:36,283 INFO L262 CegarLoopResult]: For program point L818(lines 818 822) no Hoare annotation was computed. [2021-10-11 00:23:36,283 INFO L258 CegarLoopResult]: At program point L637(lines 622 640) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 1) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) (not (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0)) .cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse1 .cse2) (and (= 2 ~waterLevel~0) .cse0 .cse1 .cse2))) [2021-10-11 00:23:36,283 INFO L258 CegarLoopResult]: At program point L637-1(lines 622 640) the Hoare annotation is: false [2021-10-11 00:23:36,283 INFO L258 CegarLoopResult]: At program point L637-2(lines 622 640) the Hoare annotation is: false [2021-10-11 00:23:36,284 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 782) no Hoare annotation was computed. [2021-10-11 00:23:36,284 INFO L262 CegarLoopResult]: For program point L423(lines 422 467) no Hoare annotation was computed. [2021-10-11 00:23:36,284 INFO L262 CegarLoopResult]: For program point L424(lines 424 428) no Hoare annotation was computed. [2021-10-11 00:23:36,284 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:23:36,285 INFO L262 CegarLoopResult]: For program point L458(lines 458 462) no Hoare annotation was computed. [2021-10-11 00:23:36,285 INFO L262 CegarLoopResult]: For program point L458-2(lines 452 463) no Hoare annotation was computed. [2021-10-11 00:23:36,285 INFO L262 CegarLoopResult]: For program point L871(lines 871 877) no Hoare annotation was computed. [2021-10-11 00:23:36,285 INFO L262 CegarLoopResult]: For program point L871-1(lines 871 877) no Hoare annotation was computed. [2021-10-11 00:23:36,285 INFO L262 CegarLoopResult]: For program point L871-2(lines 871 877) no Hoare annotation was computed. [2021-10-11 00:23:36,286 INFO L258 CegarLoopResult]: At program point L739(lines 735 741) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-10-11 00:23:36,286 INFO L262 CegarLoopResult]: For program point L442(lines 442 448) no Hoare annotation was computed. [2021-10-11 00:23:36,286 INFO L258 CegarLoopResult]: At program point L442-1(lines 442 448) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse4 .cse3) (and (= ~waterLevel~0 1) .cse2 .cse4 .cse3) (and .cse0 (<= ~waterLevel~0 1) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) .cse2 .cse3))) [2021-10-11 00:23:36,287 INFO L258 CegarLoopResult]: At program point L888(lines 883 890) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-10-11 00:23:36,288 INFO L262 CegarLoopResult]: For program point L806(lines 806 810) no Hoare annotation was computed. [2021-10-11 00:23:36,288 INFO L265 CegarLoopResult]: At program point L773(lines 754 776) the Hoare annotation is: true [2021-10-11 00:23:36,288 INFO L258 CegarLoopResult]: At program point L691-2(lines 691 705) the Hoare annotation is: false [2021-10-11 00:23:36,288 INFO L258 CegarLoopResult]: At program point L675(lines 670 678) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-10-11 00:23:36,288 INFO L262 CegarLoopResult]: For program point L692(line 692) no Hoare annotation was computed. [2021-10-11 00:23:36,288 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:23:36,289 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 782) no Hoare annotation was computed. [2021-10-11 00:23:36,289 INFO L262 CegarLoopResult]: For program point L529(lines 529 546) no Hoare annotation was computed. [2021-10-11 00:23:36,289 INFO L262 CegarLoopResult]: For program point L529-1(lines 529 546) no Hoare annotation was computed. [2021-10-11 00:23:36,289 INFO L262 CegarLoopResult]: For program point L529-2(lines 529 546) no Hoare annotation was computed. [2021-10-11 00:23:36,289 INFO L262 CegarLoopResult]: For program point L909(lines 909 926) no Hoare annotation was computed. [2021-10-11 00:23:36,289 INFO L258 CegarLoopResult]: At program point L876(lines 867 880) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (= ~waterLevel~0 1) .cse0 .cse1 .cse2) (and (= 2 ~waterLevel~0) .cse0 .cse1 .cse2))) [2021-10-11 00:23:36,290 INFO L258 CegarLoopResult]: At program point L909-1(lines 1 929) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~7 2)) (.cse5 (= |ULTIMATE.start_getWaterLevel_#res| 2)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse0 (= 2 ~waterLevel~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse0 .cse1 .cse2 .cse4 .cse5) (and .cse6 (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (or (<= ~waterLevel~0 1) .cse0) .cse2 .cse4) (and (= ~waterLevel~0 1) .cse2 .cse3 .cse4))) [2021-10-11 00:23:36,290 INFO L258 CegarLoopResult]: At program point L876-1(lines 867 880) the Hoare annotation is: false [2021-10-11 00:23:36,290 INFO L262 CegarLoopResult]: For program point L909-2(lines 909 926) no Hoare annotation was computed. [2021-10-11 00:23:36,291 INFO L258 CegarLoopResult]: At program point L909-3(lines 1 929) the Hoare annotation is: false [2021-10-11 00:23:36,291 INFO L258 CegarLoopResult]: At program point L876-2(lines 867 880) the Hoare annotation is: false [2021-10-11 00:23:36,291 INFO L262 CegarLoopResult]: For program point L909-4(lines 909 926) no Hoare annotation was computed. [2021-10-11 00:23:36,291 INFO L258 CegarLoopResult]: At program point L909-5(lines 1 929) the Hoare annotation is: false [2021-10-11 00:23:36,292 INFO L262 CegarLoopResult]: For program point L794(lines 794 798) no Hoare annotation was computed. [2021-10-11 00:23:36,295 INFO L262 CegarLoopResult]: For program point L794-3(lines 794 798) no Hoare annotation was computed. [2021-10-11 00:23:36,296 INFO L262 CegarLoopResult]: For program point L695(lines 695 699) no Hoare annotation was computed. [2021-10-11 00:23:36,296 INFO L262 CegarLoopResult]: For program point L695-1(lines 695 699) no Hoare annotation was computed. [2021-10-11 00:23:36,296 INFO L262 CegarLoopResult]: For program point L794-6(lines 794 798) no Hoare annotation was computed. [2021-10-11 00:23:36,296 INFO L258 CegarLoopResult]: At program point L497(lines 493 515) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 2 ~waterLevel~0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and (= ~waterLevel~0 1) .cse1 .cse2 .cse3) (and (<= 1 ~pumpRunning~0) (<= 1 ~switchedOnBeforeTS~0) (<= 1 |ULTIMATE.start_isPumpRunning_#res|) (or (<= ~waterLevel~0 1) .cse0) .cse1 .cse3))) [2021-10-11 00:23:36,297 INFO L258 CegarLoopResult]: At program point L497-1(lines 493 515) the Hoare annotation is: false [2021-10-11 00:23:36,297 INFO L258 CegarLoopResult]: At program point L497-2(lines 493 515) the Hoare annotation is: false [2021-10-11 00:23:36,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:23:36 BoogieIcfgContainer [2021-10-11 00:23:36,338 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:23:36,339 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:23:36,339 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:23:36,339 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:23:36,340 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:23:31" (3/4) ... [2021-10-11 00:23:36,342 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:23:36,366 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 00:23:36,368 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 00:23:36,369 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 00:23:36,370 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 00:23:36,371 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 00:23:36,371 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:23:36,373 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:23:36,412 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((2 == waterLevel && tmp == 2) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 2) || (((((1 <= pumpRunning && 2 == waterLevel) && tmp == 2) && 1 == systemActive) && splverifierCounter == 0) && \result == 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2021-10-11 00:23:36,413 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && waterLevel <= 1) && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) [2021-10-11 00:23:36,414 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && waterLevel <= 1) && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) [2021-10-11 00:23:36,416 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= pumpRunning && 1 <= \result) && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((2 == waterLevel && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && waterLevel <= 1) && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2021-10-11 00:23:36,416 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 == waterLevel && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2021-10-11 00:23:36,416 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) [2021-10-11 00:23:36,417 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel == 1 && tmp == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((2 == waterLevel && tmp == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && waterLevel <= 1) && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) [2021-10-11 00:23:36,418 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel == 1 && tmp == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((((2 == waterLevel && tmp == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0)) || ((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) && \result == 2) [2021-10-11 00:23:36,419 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\result == 0) && waterLevel == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2021-10-11 00:23:36,420 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && tmp == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) [2021-10-11 00:23:36,420 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel == 1 && tmp___0 == 0) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) [2021-10-11 00:23:36,499 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e3b1c8b-6ae5-4ece-bb4e-581d95d867a2/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:23:36,499 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:23:36,501 INFO L168 Benchmark]: Toolchain (without parser) took 6565.49 ms. Allocated memory was 94.4 MB in the beginning and 163.6 MB in the end (delta: 69.2 MB). Free memory was 55.7 MB in the beginning and 134.2 MB in the end (delta: -78.5 MB). Peak memory consumption was 62.8 MB. Max. memory is 16.1 GB. [2021-10-11 00:23:36,503 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 94.4 MB. Free memory was 73.0 MB in the beginning and 72.9 MB in the end (delta: 77.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:23:36,503 INFO L168 Benchmark]: CACSL2BoogieTranslator took 614.16 ms. Allocated memory is still 94.4 MB. Free memory was 55.5 MB in the beginning and 59.9 MB in the end (delta: -4.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:23:36,504 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.64 ms. Allocated memory is still 94.4 MB. Free memory was 59.9 MB in the beginning and 56.6 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:23:36,504 INFO L168 Benchmark]: Boogie Preprocessor took 65.64 ms. Allocated memory is still 94.4 MB. Free memory was 56.6 MB in the beginning and 54.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:23:36,505 INFO L168 Benchmark]: RCFGBuilder took 982.85 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 54.5 MB in the beginning and 54.6 MB in the end (delta: -102.7 kB). Peak memory consumption was 24.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:23:36,505 INFO L168 Benchmark]: TraceAbstraction took 4662.31 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 53.9 MB in the beginning and 39.1 MB in the end (delta: 14.8 MB). Peak memory consumption was 43.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:23:36,506 INFO L168 Benchmark]: Witness Printer took 160.52 ms. Allocated memory was 136.3 MB in the beginning and 163.6 MB in the end (delta: 27.3 MB). Free memory was 39.1 MB in the beginning and 134.2 MB in the end (delta: -95.1 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:23:36,508 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 94.4 MB. Free memory was 73.0 MB in the beginning and 72.9 MB in the end (delta: 77.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 614.16 ms. Allocated memory is still 94.4 MB. Free memory was 55.5 MB in the beginning and 59.9 MB in the end (delta: -4.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 73.64 ms. Allocated memory is still 94.4 MB. Free memory was 59.9 MB in the beginning and 56.6 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 65.64 ms. Allocated memory is still 94.4 MB. Free memory was 56.6 MB in the beginning and 54.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 982.85 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 54.5 MB in the beginning and 54.6 MB in the end (delta: -102.7 kB). Peak memory consumption was 24.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4662.31 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 53.9 MB in the beginning and 39.1 MB in the end (delta: 14.8 MB). Peak memory consumption was 43.4 MB. Max. memory is 16.1 GB. * Witness Printer took 160.52 ms. Allocated memory was 136.3 MB in the beginning and 163.6 MB in the end (delta: 27.3 MB). Free memory was 39.1 MB in the beginning and 134.2 MB in the end (delta: -95.1 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 782]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 782]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 782]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && waterLevel <= 1) && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((waterLevel == 1 && tmp == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((2 == waterLevel && tmp == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && waterLevel <= 1) && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 421]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: ((((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 764]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 670]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: (((((2 == waterLevel && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: ((((!(\result == 0) && waterLevel == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((2 == waterLevel && tmp == 2) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 2) || (((((1 <= pumpRunning && 2 == waterLevel) && tmp == 2) && 1 == systemActive) && splverifierCounter == 0) && \result == 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: ((((((waterLevel == 1 && tmp == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || (((((2 == waterLevel && tmp == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 2)) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0)) || ((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) && \result == 2) - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: ((((((waterLevel == 1 && tmp___0 == 0) && !(tmp == 0)) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: ((((((1 <= pumpRunning && 1 <= \result) && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || ((((2 == waterLevel && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && waterLevel <= 1) && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 && tmp == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 <= pumpRunning && 1 <= switchedOnBeforeTS) && 1 <= \result) && (waterLevel <= 1 || 2 == waterLevel)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: (((((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0) || (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && waterLevel <= 1) && 1 <= switchedOnBeforeTS) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 87 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.8s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 779 SDtfs, 1026 SDslu, 1055 SDs, 0 SdLazy, 184 SolverSat, 55 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 112 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=155occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 394 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 37 LocationsWithAnnotation, 37 PreInvPairs, 89 NumberOfFragments, 680 HoareAnnotationTreeSize, 37 FomulaSimplifications, 19060 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 37 FomulaSimplificationsInter, 1208 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 360 NumberOfCodeBlocks, 360 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 349 ConstructedInterpolants, 0 QuantifiedInterpolants, 29755 SizeOfPredicates, 3 NumberOfNonLiveVariables, 419 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 14/32 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...