./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_productSimulator.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_367cd63c-9bdd-418f-96dc-e6c3cd1ed216/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367cd63c-9bdd-418f-96dc-e6c3cd1ed216/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_367cd63c-9bdd-418f-96dc-e6c3cd1ed216/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367cd63c-9bdd-418f-96dc-e6c3cd1ed216/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_productSimulator.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367cd63c-9bdd-418f-96dc-e6c3cd1ed216/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_367cd63c-9bdd-418f-96dc-e6c3cd1ed216/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 bb7a46e472d875a33249a5df380376743390ac30 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:25:28,604 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:25:28,607 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:25:28,663 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:25:28,664 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:25:28,670 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:25:28,673 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:25:28,677 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:25:28,680 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:25:28,688 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:25:28,689 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:25:28,690 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:25:28,691 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:25:28,694 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:25:28,696 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:25:28,698 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:25:28,700 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:25:28,704 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:25:28,707 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:25:28,717 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:25:28,719 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:25:28,720 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:25:28,724 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:25:28,725 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:25:28,728 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:25:28,729 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:25:28,729 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:25:28,731 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:25:28,732 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:25:28,733 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:25:28,734 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:25:28,735 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:25:28,737 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:25:28,738 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:25:28,739 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:25:28,739 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:25:28,741 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:25:28,741 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:25:28,741 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:25:28,742 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:25:28,743 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:25:28,744 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367cd63c-9bdd-418f-96dc-e6c3cd1ed216/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:25:28,788 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:25:28,788 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:25:28,790 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:25:28,791 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:25:28,791 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:25:28,791 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:25:28,792 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:25:28,792 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:25:28,792 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:25:28,792 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:25:28,793 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:25:28,794 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:25:28,794 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:25:28,794 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:25:28,795 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:25:28,795 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:25:28,795 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:25:28,795 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:25:28,796 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:25:28,796 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:25:28,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:25:28,796 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:25:28,797 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:25:28,797 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:25:28,797 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:25:28,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:25:28,798 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:25:28,798 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:25:28,798 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_367cd63c-9bdd-418f-96dc-e6c3cd1ed216/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367cd63c-9bdd-418f-96dc-e6c3cd1ed216/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb7a46e472d875a33249a5df380376743390ac30 [2021-10-11 00:25:29,052 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:25:29,091 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:25:29,096 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:25:29,097 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:25:29,098 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:25:29,099 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367cd63c-9bdd-418f-96dc-e6c3cd1ed216/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/minepump_spec4_productSimulator.cil.c [2021-10-11 00:25:29,184 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367cd63c-9bdd-418f-96dc-e6c3cd1ed216/bin/uautomizer-Z5i5R5N3CC/data/75046cc17/1b6ef527e4084a52b72bb90dd804034b/FLAGf3a655270 [2021-10-11 00:25:29,782 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:25:29,783 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367cd63c-9bdd-418f-96dc-e6c3cd1ed216/sv-benchmarks/c/product-lines/minepump_spec4_productSimulator.cil.c [2021-10-11 00:25:29,815 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367cd63c-9bdd-418f-96dc-e6c3cd1ed216/bin/uautomizer-Z5i5R5N3CC/data/75046cc17/1b6ef527e4084a52b72bb90dd804034b/FLAGf3a655270 [2021-10-11 00:25:30,102 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367cd63c-9bdd-418f-96dc-e6c3cd1ed216/bin/uautomizer-Z5i5R5N3CC/data/75046cc17/1b6ef527e4084a52b72bb90dd804034b [2021-10-11 00:25:30,104 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:25:30,106 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:25:30,107 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:25:30,108 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:25:30,111 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:25:30,112 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:25:30" (1/1) ... [2021-10-11 00:25:30,114 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@138118f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:30, skipping insertion in model container [2021-10-11 00:25:30,114 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:25:30" (1/1) ... [2021-10-11 00:25:30,121 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:25:30,168 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:25:30,404 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_367cd63c-9bdd-418f-96dc-e6c3cd1ed216/sv-benchmarks/c/product-lines/minepump_spec4_productSimulator.cil.c[9009,9022] [2021-10-11 00:25:30,498 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:25:30,514 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:25:30,582 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_367cd63c-9bdd-418f-96dc-e6c3cd1ed216/sv-benchmarks/c/product-lines/minepump_spec4_productSimulator.cil.c[9009,9022] [2021-10-11 00:25:30,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:25:30,675 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:25:30,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:30 WrapperNode [2021-10-11 00:25:30,677 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:25:30,679 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:25:30,679 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:25:30,681 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:25:30,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:30" (1/1) ... [2021-10-11 00:25:30,713 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:30" (1/1) ... [2021-10-11 00:25:30,828 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:25:30,829 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:25:30,829 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:25:30,829 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:25:30,838 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:30" (1/1) ... [2021-10-11 00:25:30,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:30" (1/1) ... [2021-10-11 00:25:30,860 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:30" (1/1) ... [2021-10-11 00:25:30,860 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:30" (1/1) ... [2021-10-11 00:25:30,920 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:30" (1/1) ... [2021-10-11 00:25:30,969 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:30" (1/1) ... [2021-10-11 00:25:30,975 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:30" (1/1) ... [2021-10-11 00:25:31,018 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:25:31,019 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:25:31,019 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:25:31,019 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:25:31,021 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:30" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367cd63c-9bdd-418f-96dc-e6c3cd1ed216/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 00:25:31,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:25:31,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:25:31,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:25:31,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:25:33,314 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:25:33,314 INFO L299 CfgBuilder]: Removed 900 assume(true) statements. [2021-10-11 00:25:33,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:25:33 BoogieIcfgContainer [2021-10-11 00:25:33,317 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:25:33,319 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:25:33,319 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:25:33,323 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:25:33,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:25:30" (1/3) ... [2021-10-11 00:25:33,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19abbc05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:25:33, skipping insertion in model container [2021-10-11 00:25:33,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:25:30" (2/3) ... [2021-10-11 00:25:33,325 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19abbc05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:25:33, skipping insertion in model container [2021-10-11 00:25:33,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:25:33" (3/3) ... [2021-10-11 00:25:33,327 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_productSimulator.cil.c [2021-10-11 00:25:33,342 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:25:33,347 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 00:25:33,359 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 00:25:33,390 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:25:33,391 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:25:33,391 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:25:33,391 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:25:33,391 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:25:33,391 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:25:33,392 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:25:33,392 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:25:33,417 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states. [2021-10-11 00:25:33,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-11 00:25:33,424 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:25:33,425 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] [2021-10-11 00:25:33,425 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:25:33,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:25:33,431 INFO L82 PathProgramCache]: Analyzing trace with hash -1535705576, now seen corresponding path program 1 times [2021-10-11 00:25:33,440 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:25:33,441 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533533065] [2021-10-11 00:25:33,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:25:33,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:25:33,743 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 00:25:33,744 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533533065] [2021-10-11 00:25:33,744 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:25:33,745 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:25:33,745 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068536290] [2021-10-11 00:25:33,751 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:25:33,752 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:25:33,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:25:33,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:25:33,772 INFO L87 Difference]: Start difference. First operand 470 states. Second operand 2 states. [2021-10-11 00:25:33,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:25:33,856 INFO L93 Difference]: Finished difference Result 927 states and 1454 transitions. [2021-10-11 00:25:33,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:25:33,857 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2021-10-11 00:25:33,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:25:33,884 INFO L225 Difference]: With dead ends: 927 [2021-10-11 00:25:33,885 INFO L226 Difference]: Without dead ends: 466 [2021-10-11 00:25:33,897 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 00:25:33,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2021-10-11 00:25:33,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 466. [2021-10-11 00:25:34,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 466 states. [2021-10-11 00:25:34,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 722 transitions. [2021-10-11 00:25:34,006 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 722 transitions. Word has length 23 [2021-10-11 00:25:34,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:25:34,006 INFO L481 AbstractCegarLoop]: Abstraction has 466 states and 722 transitions. [2021-10-11 00:25:34,007 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:25:34,007 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 722 transitions. [2021-10-11 00:25:34,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 00:25:34,010 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:25:34,010 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] [2021-10-11 00:25:34,011 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:25:34,011 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:25:34,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:25:34,014 INFO L82 PathProgramCache]: Analyzing trace with hash 1882100476, now seen corresponding path program 1 times [2021-10-11 00:25:34,014 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:25:34,014 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538985855] [2021-10-11 00:25:34,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:25:34,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:25:34,180 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 00:25:34,180 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538985855] [2021-10-11 00:25:34,180 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:25:34,181 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:25:34,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289139384] [2021-10-11 00:25:34,182 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:25:34,182 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:25:34,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:25:34,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:25:34,183 INFO L87 Difference]: Start difference. First operand 466 states and 722 transitions. Second operand 3 states. [2021-10-11 00:25:34,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:25:34,202 INFO L93 Difference]: Finished difference Result 466 states and 722 transitions. [2021-10-11 00:25:34,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:25:34,202 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 00:25:34,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:25:34,204 INFO L225 Difference]: With dead ends: 466 [2021-10-11 00:25:34,204 INFO L226 Difference]: Without dead ends: 172 [2021-10-11 00:25:34,205 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 00:25:34,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2021-10-11 00:25:34,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2021-10-11 00:25:34,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2021-10-11 00:25:34,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 263 transitions. [2021-10-11 00:25:34,215 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 263 transitions. Word has length 24 [2021-10-11 00:25:34,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:25:34,215 INFO L481 AbstractCegarLoop]: Abstraction has 172 states and 263 transitions. [2021-10-11 00:25:34,216 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:25:34,216 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 263 transitions. [2021-10-11 00:25:34,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-11 00:25:34,223 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:25:34,223 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] [2021-10-11 00:25:34,224 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:25:34,224 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:25:34,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:25:34,227 INFO L82 PathProgramCache]: Analyzing trace with hash -1978143563, now seen corresponding path program 1 times [2021-10-11 00:25:34,227 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:25:34,227 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138965772] [2021-10-11 00:25:34,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:25:34,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:25:34,337 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 00:25:34,337 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138965772] [2021-10-11 00:25:34,337 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:25:34,338 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:25:34,338 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651499820] [2021-10-11 00:25:34,338 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:25:34,338 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:25:34,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:25:34,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:25:34,339 INFO L87 Difference]: Start difference. First operand 172 states and 263 transitions. Second operand 3 states. [2021-10-11 00:25:34,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:25:34,366 INFO L93 Difference]: Finished difference Result 490 states and 763 transitions. [2021-10-11 00:25:34,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:25:34,367 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2021-10-11 00:25:34,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:25:34,370 INFO L225 Difference]: With dead ends: 490 [2021-10-11 00:25:34,370 INFO L226 Difference]: Without dead ends: 331 [2021-10-11 00:25:34,371 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 00:25:34,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2021-10-11 00:25:34,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 327. [2021-10-11 00:25:34,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2021-10-11 00:25:34,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 508 transitions. [2021-10-11 00:25:34,392 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 508 transitions. Word has length 30 [2021-10-11 00:25:34,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:25:34,392 INFO L481 AbstractCegarLoop]: Abstraction has 327 states and 508 transitions. [2021-10-11 00:25:34,392 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:25:34,393 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 508 transitions. [2021-10-11 00:25:34,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 00:25:34,394 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:25:34,395 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 00:25:34,395 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:25:34,395 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:25:34,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:25:34,396 INFO L82 PathProgramCache]: Analyzing trace with hash 1554604317, now seen corresponding path program 1 times [2021-10-11 00:25:34,396 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:25:34,396 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684456000] [2021-10-11 00:25:34,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:25:34,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:25:34,479 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 00:25:34,480 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684456000] [2021-10-11 00:25:34,480 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:25:34,481 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:25:34,481 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903526038] [2021-10-11 00:25:34,482 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:25:34,482 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:25:34,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:25:34,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:25:34,484 INFO L87 Difference]: Start difference. First operand 327 states and 508 transitions. Second operand 3 states. [2021-10-11 00:25:34,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:25:34,593 INFO L93 Difference]: Finished difference Result 662 states and 1041 transitions. [2021-10-11 00:25:34,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:25:34,593 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2021-10-11 00:25:34,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:25:34,596 INFO L225 Difference]: With dead ends: 662 [2021-10-11 00:25:34,596 INFO L226 Difference]: Without dead ends: 348 [2021-10-11 00:25:34,598 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 00:25:34,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2021-10-11 00:25:34,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 346. [2021-10-11 00:25:34,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 346 states. [2021-10-11 00:25:34,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 526 transitions. [2021-10-11 00:25:34,628 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 526 transitions. Word has length 33 [2021-10-11 00:25:34,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:25:34,628 INFO L481 AbstractCegarLoop]: Abstraction has 346 states and 526 transitions. [2021-10-11 00:25:34,628 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:25:34,628 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 526 transitions. [2021-10-11 00:25:34,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 00:25:34,635 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:25:34,635 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 00:25:34,635 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:25:34,636 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:25:34,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:25:34,637 INFO L82 PathProgramCache]: Analyzing trace with hash 965063802, now seen corresponding path program 1 times [2021-10-11 00:25:34,637 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:25:34,638 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508911623] [2021-10-11 00:25:34,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:25:34,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:25:34,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:25:34,754 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508911623] [2021-10-11 00:25:34,755 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:25:34,755 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:25:34,755 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941825715] [2021-10-11 00:25:34,755 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:25:34,756 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:25:34,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:25:34,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:25:34,759 INFO L87 Difference]: Start difference. First operand 346 states and 526 transitions. Second operand 5 states. [2021-10-11 00:25:34,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:25:34,956 INFO L93 Difference]: Finished difference Result 1288 states and 1972 transitions. [2021-10-11 00:25:34,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:25:34,957 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2021-10-11 00:25:34,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:25:34,963 INFO L225 Difference]: With dead ends: 1288 [2021-10-11 00:25:34,963 INFO L226 Difference]: Without dead ends: 955 [2021-10-11 00:25:34,964 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 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 00:25:34,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 955 states. [2021-10-11 00:25:34,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 955 to 529. [2021-10-11 00:25:34,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 529 states. [2021-10-11 00:25:34,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 787 transitions. [2021-10-11 00:25:34,997 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 787 transitions. Word has length 33 [2021-10-11 00:25:34,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:25:34,998 INFO L481 AbstractCegarLoop]: Abstraction has 529 states and 787 transitions. [2021-10-11 00:25:34,998 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:25:34,998 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 787 transitions. [2021-10-11 00:25:34,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 00:25:34,999 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:25:35,000 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 00:25:35,000 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:25:35,000 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:25:35,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:25:35,001 INFO L82 PathProgramCache]: Analyzing trace with hash -513795011, now seen corresponding path program 1 times [2021-10-11 00:25:35,001 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:25:35,001 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332771747] [2021-10-11 00:25:35,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:25:35,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:25:35,062 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 00:25:35,063 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332771747] [2021-10-11 00:25:35,063 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:25:35,063 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:25:35,064 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115683744] [2021-10-11 00:25:35,064 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:25:35,064 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:25:35,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:25:35,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:25:35,065 INFO L87 Difference]: Start difference. First operand 529 states and 787 transitions. Second operand 5 states. [2021-10-11 00:25:35,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:25:35,387 INFO L93 Difference]: Finished difference Result 1285 states and 1947 transitions. [2021-10-11 00:25:35,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 00:25:35,388 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2021-10-11 00:25:35,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:25:35,396 INFO L225 Difference]: With dead ends: 1285 [2021-10-11 00:25:35,396 INFO L226 Difference]: Without dead ends: 1283 [2021-10-11 00:25:35,397 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 00:25:35,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1283 states. [2021-10-11 00:25:35,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1283 to 529. [2021-10-11 00:25:35,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 529 states. [2021-10-11 00:25:35,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 785 transitions. [2021-10-11 00:25:35,439 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 785 transitions. Word has length 34 [2021-10-11 00:25:35,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:25:35,439 INFO L481 AbstractCegarLoop]: Abstraction has 529 states and 785 transitions. [2021-10-11 00:25:35,440 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:25:35,440 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 785 transitions. [2021-10-11 00:25:35,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-10-11 00:25:35,441 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:25:35,441 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:25:35,442 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-11 00:25:35,442 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:25:35,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:25:35,442 INFO L82 PathProgramCache]: Analyzing trace with hash 1956123376, now seen corresponding path program 1 times [2021-10-11 00:25:35,443 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:25:35,443 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271962873] [2021-10-11 00:25:35,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:25:35,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:25:35,494 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 00:25:35,495 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271962873] [2021-10-11 00:25:35,495 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:25:35,495 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:25:35,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574164335] [2021-10-11 00:25:35,496 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:25:35,496 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:25:35,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:25:35,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:25:35,497 INFO L87 Difference]: Start difference. First operand 529 states and 785 transitions. Second operand 4 states. [2021-10-11 00:25:35,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:25:35,713 INFO L93 Difference]: Finished difference Result 1127 states and 1690 transitions. [2021-10-11 00:25:35,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:25:35,713 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 42 [2021-10-11 00:25:35,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:25:35,719 INFO L225 Difference]: With dead ends: 1127 [2021-10-11 00:25:35,719 INFO L226 Difference]: Without dead ends: 794 [2021-10-11 00:25:35,720 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:25:35,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 794 states. [2021-10-11 00:25:35,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 794 to 790. [2021-10-11 00:25:35,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2021-10-11 00:25:35,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1162 transitions. [2021-10-11 00:25:35,773 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1162 transitions. Word has length 42 [2021-10-11 00:25:35,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:25:35,773 INFO L481 AbstractCegarLoop]: Abstraction has 790 states and 1162 transitions. [2021-10-11 00:25:35,773 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:25:35,773 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1162 transitions. [2021-10-11 00:25:35,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-10-11 00:25:35,775 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:25:35,775 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:25:35,775 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-11 00:25:35,776 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:25:35,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:25:35,776 INFO L82 PathProgramCache]: Analyzing trace with hash 1369317362, now seen corresponding path program 1 times [2021-10-11 00:25:35,776 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:25:35,777 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654007584] [2021-10-11 00:25:35,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:25:35,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:25:35,858 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 00:25:35,858 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654007584] [2021-10-11 00:25:35,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:25:35,859 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:25:35,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726488252] [2021-10-11 00:25:35,860 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:25:35,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:25:35,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:25:35,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:25:35,861 INFO L87 Difference]: Start difference. First operand 790 states and 1162 transitions. Second operand 4 states. [2021-10-11 00:25:36,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:25:36,133 INFO L93 Difference]: Finished difference Result 2183 states and 3255 transitions. [2021-10-11 00:25:36,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:25:36,134 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 42 [2021-10-11 00:25:36,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:25:36,144 INFO L225 Difference]: With dead ends: 2183 [2021-10-11 00:25:36,144 INFO L226 Difference]: Without dead ends: 1587 [2021-10-11 00:25:36,146 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:25:36,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1587 states. [2021-10-11 00:25:36,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1587 to 790. [2021-10-11 00:25:36,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2021-10-11 00:25:36,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1146 transitions. [2021-10-11 00:25:36,212 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1146 transitions. Word has length 42 [2021-10-11 00:25:36,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:25:36,213 INFO L481 AbstractCegarLoop]: Abstraction has 790 states and 1146 transitions. [2021-10-11 00:25:36,213 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:25:36,213 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1146 transitions. [2021-10-11 00:25:36,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-10-11 00:25:36,214 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:25:36,215 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:25:36,215 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-11 00:25:36,215 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:25:36,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:25:36,216 INFO L82 PathProgramCache]: Analyzing trace with hash 2070381940, now seen corresponding path program 1 times [2021-10-11 00:25:36,216 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:25:36,216 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209494679] [2021-10-11 00:25:36,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:25:36,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:25:36,276 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 00:25:36,277 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209494679] [2021-10-11 00:25:36,277 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:25:36,277 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:25:36,278 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15034539] [2021-10-11 00:25:36,278 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:25:36,278 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:25:36,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:25:36,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:25:36,279 INFO L87 Difference]: Start difference. First operand 790 states and 1146 transitions. Second operand 5 states. [2021-10-11 00:25:36,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:25:36,560 INFO L93 Difference]: Finished difference Result 1944 states and 2841 transitions. [2021-10-11 00:25:36,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:25:36,560 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 42 [2021-10-11 00:25:36,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:25:36,569 INFO L225 Difference]: With dead ends: 1944 [2021-10-11 00:25:36,569 INFO L226 Difference]: Without dead ends: 1348 [2021-10-11 00:25:36,572 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 00:25:36,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1348 states. [2021-10-11 00:25:36,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1348 to 861. [2021-10-11 00:25:36,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2021-10-11 00:25:36,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1257 transitions. [2021-10-11 00:25:36,635 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1257 transitions. Word has length 42 [2021-10-11 00:25:36,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:25:36,635 INFO L481 AbstractCegarLoop]: Abstraction has 861 states and 1257 transitions. [2021-10-11 00:25:36,635 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:25:36,635 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1257 transitions. [2021-10-11 00:25:36,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-10-11 00:25:36,637 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:25:36,638 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:25:36,638 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-11 00:25:36,638 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:25:36,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:25:36,639 INFO L82 PathProgramCache]: Analyzing trace with hash 462163828, now seen corresponding path program 1 times [2021-10-11 00:25:36,639 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:25:36,639 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321053915] [2021-10-11 00:25:36,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:25:36,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:25:36,718 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-11 00:25:36,718 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321053915] [2021-10-11 00:25:36,718 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:25:36,718 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:25:36,718 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950163759] [2021-10-11 00:25:36,719 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:25:36,719 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:25:36,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:25:36,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:25:36,720 INFO L87 Difference]: Start difference. First operand 861 states and 1257 transitions. Second operand 3 states. [2021-10-11 00:25:36,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:25:36,847 INFO L93 Difference]: Finished difference Result 1375 states and 2003 transitions. [2021-10-11 00:25:36,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:25:36,848 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2021-10-11 00:25:36,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:25:36,852 INFO L225 Difference]: With dead ends: 1375 [2021-10-11 00:25:36,852 INFO L226 Difference]: Without dead ends: 527 [2021-10-11 00:25:36,854 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 00:25:36,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2021-10-11 00:25:36,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 519. [2021-10-11 00:25:36,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 519 states. [2021-10-11 00:25:36,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 747 transitions. [2021-10-11 00:25:36,894 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 747 transitions. Word has length 59 [2021-10-11 00:25:36,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:25:36,896 INFO L481 AbstractCegarLoop]: Abstraction has 519 states and 747 transitions. [2021-10-11 00:25:36,896 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:25:36,896 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 747 transitions. [2021-10-11 00:25:36,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-10-11 00:25:36,897 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:25:36,898 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:25:36,898 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-11 00:25:36,898 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:25:36,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:25:36,898 INFO L82 PathProgramCache]: Analyzing trace with hash 421650894, now seen corresponding path program 1 times [2021-10-11 00:25:36,899 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:25:36,899 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869096934] [2021-10-11 00:25:36,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:25:36,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:25:37,012 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-11 00:25:37,013 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869096934] [2021-10-11 00:25:37,013 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:25:37,013 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:25:37,013 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043148076] [2021-10-11 00:25:37,014 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:25:37,014 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:25:37,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:25:37,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:25:37,016 INFO L87 Difference]: Start difference. First operand 519 states and 747 transitions. Second operand 5 states. [2021-10-11 00:25:37,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:25:37,299 INFO L93 Difference]: Finished difference Result 1469 states and 2117 transitions. [2021-10-11 00:25:37,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:25:37,300 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2021-10-11 00:25:37,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:25:37,306 INFO L225 Difference]: With dead ends: 1469 [2021-10-11 00:25:37,306 INFO L226 Difference]: Without dead ends: 963 [2021-10-11 00:25:37,308 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 00:25:37,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2021-10-11 00:25:37,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 555. [2021-10-11 00:25:37,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 555 states. [2021-10-11 00:25:37,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 783 transitions. [2021-10-11 00:25:37,354 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 783 transitions. Word has length 59 [2021-10-11 00:25:37,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:25:37,355 INFO L481 AbstractCegarLoop]: Abstraction has 555 states and 783 transitions. [2021-10-11 00:25:37,355 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:25:37,355 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 783 transitions. [2021-10-11 00:25:37,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-10-11 00:25:37,356 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:25:37,356 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:25:37,356 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-11 00:25:37,357 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:25:37,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:25:37,357 INFO L82 PathProgramCache]: Analyzing trace with hash 1807854288, now seen corresponding path program 1 times [2021-10-11 00:25:37,358 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:25:37,358 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828680666] [2021-10-11 00:25:37,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:25:37,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:25:37,443 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-11 00:25:37,444 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828680666] [2021-10-11 00:25:37,444 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:25:37,444 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:25:37,444 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325952658] [2021-10-11 00:25:37,444 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:25:37,445 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:25:37,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:25:37,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:25:37,445 INFO L87 Difference]: Start difference. First operand 555 states and 783 transitions. Second operand 5 states. [2021-10-11 00:25:37,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:25:37,687 INFO L93 Difference]: Finished difference Result 1211 states and 1704 transitions. [2021-10-11 00:25:37,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:25:37,688 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2021-10-11 00:25:37,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:25:37,692 INFO L225 Difference]: With dead ends: 1211 [2021-10-11 00:25:37,692 INFO L226 Difference]: Without dead ends: 669 [2021-10-11 00:25:37,693 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 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 00:25:37,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2021-10-11 00:25:37,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 443. [2021-10-11 00:25:37,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2021-10-11 00:25:37,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 606 transitions. [2021-10-11 00:25:37,731 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 606 transitions. Word has length 59 [2021-10-11 00:25:37,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:25:37,732 INFO L481 AbstractCegarLoop]: Abstraction has 443 states and 606 transitions. [2021-10-11 00:25:37,732 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:25:37,732 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 606 transitions. [2021-10-11 00:25:37,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-10-11 00:25:37,733 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:25:37,733 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:25:37,733 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-11 00:25:37,734 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:25:37,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:25:37,734 INFO L82 PathProgramCache]: Analyzing trace with hash 124429653, now seen corresponding path program 1 times [2021-10-11 00:25:37,734 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:25:37,735 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304025151] [2021-10-11 00:25:37,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:25:37,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:25:37,810 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:25:37,811 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304025151] [2021-10-11 00:25:37,811 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:25:37,811 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:25:37,811 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504096628] [2021-10-11 00:25:37,812 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:25:37,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:25:37,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:25:37,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:25:37,813 INFO L87 Difference]: Start difference. First operand 443 states and 606 transitions. Second operand 3 states. [2021-10-11 00:25:37,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:25:37,985 INFO L93 Difference]: Finished difference Result 1010 states and 1399 transitions. [2021-10-11 00:25:37,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:25:37,988 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2021-10-11 00:25:37,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:25:37,992 INFO L225 Difference]: With dead ends: 1010 [2021-10-11 00:25:37,992 INFO L226 Difference]: Without dead ends: 580 [2021-10-11 00:25:37,994 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 00:25:37,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2021-10-11 00:25:38,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 567. [2021-10-11 00:25:38,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 567 states. [2021-10-11 00:25:38,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 768 transitions. [2021-10-11 00:25:38,046 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 768 transitions. Word has length 60 [2021-10-11 00:25:38,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:25:38,048 INFO L481 AbstractCegarLoop]: Abstraction has 567 states and 768 transitions. [2021-10-11 00:25:38,048 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:25:38,048 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 768 transitions. [2021-10-11 00:25:38,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-10-11 00:25:38,050 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:25:38,050 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:25:38,050 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-11 00:25:38,050 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:25:38,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:25:38,051 INFO L82 PathProgramCache]: Analyzing trace with hash 417791151, now seen corresponding path program 1 times [2021-10-11 00:25:38,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:25:38,054 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344288647] [2021-10-11 00:25:38,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:25:38,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:25:38,171 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:25:38,171 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344288647] [2021-10-11 00:25:38,172 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2032750291] [2021-10-11 00:25:38,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367cd63c-9bdd-418f-96dc-e6c3cd1ed216/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 00:25:38,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:25:38,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-11 00:25:38,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:25:38,552 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:25:38,553 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-11 00:25:38,553 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2021-10-11 00:25:38,553 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297883257] [2021-10-11 00:25:38,554 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 00:25:38,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:25:38,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 00:25:38,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:25:38,555 INFO L87 Difference]: Start difference. First operand 567 states and 768 transitions. Second operand 6 states. [2021-10-11 00:25:39,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:25:39,062 INFO L93 Difference]: Finished difference Result 1580 states and 2148 transitions. [2021-10-11 00:25:39,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 00:25:39,065 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2021-10-11 00:25:39,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:25:39,071 INFO L225 Difference]: With dead ends: 1580 [2021-10-11 00:25:39,072 INFO L226 Difference]: Without dead ends: 1157 [2021-10-11 00:25:39,073 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2021-10-11 00:25:39,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1157 states. [2021-10-11 00:25:39,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 638. [2021-10-11 00:25:39,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 638 states. [2021-10-11 00:25:39,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 855 transitions. [2021-10-11 00:25:39,138 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 855 transitions. Word has length 61 [2021-10-11 00:25:39,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:25:39,138 INFO L481 AbstractCegarLoop]: Abstraction has 638 states and 855 transitions. [2021-10-11 00:25:39,138 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 00:25:39,139 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 855 transitions. [2021-10-11 00:25:39,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-10-11 00:25:39,146 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:25:39,146 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:25:39,362 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-10-11 00:25:39,362 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:25:39,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:25:39,363 INFO L82 PathProgramCache]: Analyzing trace with hash 1375374740, now seen corresponding path program 2 times [2021-10-11 00:25:39,363 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:25:39,363 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76900034] [2021-10-11 00:25:39,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:25:39,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:25:39,479 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:25:39,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:25:39,578 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:25:39,676 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:25:39,678 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 00:25:39,679 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-11 00:25:39,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:25:39 BoogieIcfgContainer [2021-10-11 00:25:39,883 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:25:39,883 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:25:39,883 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:25:39,883 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:25:39,884 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:25:33" (3/4) ... [2021-10-11 00:25:39,886 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-11 00:25:40,089 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_367cd63c-9bdd-418f-96dc-e6c3cd1ed216/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:25:40,090 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:25:40,091 INFO L168 Benchmark]: Toolchain (without parser) took 9984.59 ms. Allocated memory was 96.5 MB in the beginning and 249.6 MB in the end (delta: 153.1 MB). Free memory was 60.2 MB in the beginning and 115.3 MB in the end (delta: -55.1 MB). Peak memory consumption was 97.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:25:40,092 INFO L168 Benchmark]: CDTParser took 0.60 ms. Allocated memory is still 96.5 MB. Free memory was 66.9 MB in the beginning and 66.9 MB in the end (delta: 31.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:25:40,092 INFO L168 Benchmark]: CACSL2BoogieTranslator took 570.23 ms. Allocated memory is still 96.5 MB. Free memory was 60.0 MB in the beginning and 57.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:25:40,093 INFO L168 Benchmark]: Boogie Procedure Inliner took 149.25 ms. Allocated memory is still 96.5 MB. Free memory was 57.6 MB in the beginning and 45.6 MB in the end (delta: 12.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:25:40,093 INFO L168 Benchmark]: Boogie Preprocessor took 189.43 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 45.6 MB in the beginning and 88.0 MB in the end (delta: -42.4 MB). Peak memory consumption was 17.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:25:40,094 INFO L168 Benchmark]: RCFGBuilder took 2298.19 ms. Allocated memory was 117.4 MB in the beginning and 155.2 MB in the end (delta: 37.7 MB). Free memory was 88.0 MB in the beginning and 112.7 MB in the end (delta: -24.7 MB). Peak memory consumption was 56.8 MB. Max. memory is 16.1 GB. [2021-10-11 00:25:40,094 INFO L168 Benchmark]: TraceAbstraction took 6563.82 ms. Allocated memory was 155.2 MB in the beginning and 249.6 MB in the end (delta: 94.4 MB). Free memory was 111.6 MB in the beginning and 155.2 MB in the end (delta: -43.6 MB). Peak memory consumption was 50.8 MB. Max. memory is 16.1 GB. [2021-10-11 00:25:40,095 INFO L168 Benchmark]: Witness Printer took 206.53 ms. Allocated memory is still 249.6 MB. Free memory was 155.2 MB in the beginning and 115.3 MB in the end (delta: 39.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. [2021-10-11 00:25:40,097 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60 ms. Allocated memory is still 96.5 MB. Free memory was 66.9 MB in the beginning and 66.9 MB in the end (delta: 31.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 570.23 ms. Allocated memory is still 96.5 MB. Free memory was 60.0 MB in the beginning and 57.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 149.25 ms. Allocated memory is still 96.5 MB. Free memory was 57.6 MB in the beginning and 45.6 MB in the end (delta: 12.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 189.43 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 45.6 MB in the beginning and 88.0 MB in the end (delta: -42.4 MB). Peak memory consumption was 17.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2298.19 ms. Allocated memory was 117.4 MB in the beginning and 155.2 MB in the end (delta: 37.7 MB). Free memory was 88.0 MB in the beginning and 112.7 MB in the end (delta: -24.7 MB). Peak memory consumption was 56.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6563.82 ms. Allocated memory was 155.2 MB in the beginning and 249.6 MB in the end (delta: 94.4 MB). Free memory was 111.6 MB in the beginning and 155.2 MB in the end (delta: -43.6 MB). Peak memory consumption was 50.8 MB. Max. memory is 16.1 GB. * Witness Printer took 206.53 ms. Allocated memory is still 249.6 MB. Free memory was 155.2 MB in the beginning and 115.3 MB in the end (delta: 39.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 604]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L42] int cleanupTimeShifts = 4; [L147] int __SELECTED_FEATURE_base ; [L148] int __SELECTED_FEATURE_highWaterSensor ; [L149] int __SELECTED_FEATURE_lowWaterSensor ; [L150] int __SELECTED_FEATURE_methaneQuery ; [L151] int __SELECTED_FEATURE_methaneAlarm ; [L152] int __SELECTED_FEATURE_stopCommand ; [L153] int __SELECTED_FEATURE_startCommand ; [L154] int __GUIDSL_ROOT_PRODUCTION ; [L192] int pumpRunning = 0; [L193] int systemActive = 1; [L778] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L975] int waterLevel = 1; [L976] int methaneLevelCritical = 0; VAL [__GUIDSL_ROOT_PRODUCTION=0, __SELECTED_FEATURE_base=0, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L123] int retValue_acc ; [L124] int tmp ; [L1109] __GUIDSL_ROOT_PRODUCTION = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=0, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1094] __SELECTED_FEATURE_base = 1 [L1080] int retValue_acc ; [L1081] int choice = __VERIFIER_nondet_int(); [L1084] retValue_acc = choice [L1085] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=0, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1095] __SELECTED_FEATURE_highWaterSensor = select_one() [L1080] int retValue_acc ; [L1081] int choice = __VERIFIER_nondet_int(); [L1084] retValue_acc = choice [L1085] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=47, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1096] __SELECTED_FEATURE_lowWaterSensor = select_one() [L1080] int retValue_acc ; [L1081] int choice = __VERIFIER_nondet_int(); [L1084] retValue_acc = choice [L1085] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=47, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1097] __SELECTED_FEATURE_methaneQuery = select_one() [L1080] int retValue_acc ; [L1081] int choice = __VERIFIER_nondet_int(); [L1084] retValue_acc = choice [L1085] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=47, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1098] __SELECTED_FEATURE_methaneAlarm = select_one() [L1080] int retValue_acc ; [L1081] int choice = __VERIFIER_nondet_int(); [L1084] retValue_acc = choice [L1085] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=47, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1099] __SELECTED_FEATURE_stopCommand = select_one() [L1080] int retValue_acc ; [L1081] int choice = __VERIFIER_nondet_int(); [L1084] retValue_acc = choice [L1085] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=47, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L1100] __SELECTED_FEATURE_startCommand = select_one() [L1114] int retValue_acc ; [L1117] retValue_acc = __SELECTED_FEATURE_base [L1118] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=47, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L130] tmp = valid_product() [L132] COND TRUE \read(tmp) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=47, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L524] int splverifierCounter ; [L525] int tmp ; [L526] int tmp___0 ; [L527] int tmp___1 ; [L528] int tmp___2 ; [L531] splverifierCounter = 0 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=47, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L533] COND TRUE 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=47, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L535] COND TRUE splverifierCounter < 4 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=47, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L541] tmp = __VERIFIER_nondet_int() [L543] COND TRUE \read(tmp) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=47, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L993] COND TRUE waterLevel < 2 [L994] waterLevel = waterLevel + 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=47, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L551] tmp___0 = __VERIFIER_nondet_int() [L553] COND FALSE !(\read(tmp___0)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=47, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L561] tmp___2 = __VERIFIER_nondet_int() [L563] COND FALSE !(\read(tmp___2)) [L573] tmp___1 = __VERIFIER_nondet_int() [L575] COND FALSE !(\read(tmp___1)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=47, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L199] COND FALSE !(\read(pumpRunning)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=47, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L206] COND TRUE \read(systemActive) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=47, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L342] COND FALSE !(\read(__SELECTED_FEATURE_methaneAlarm)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=47, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L299] COND FALSE !(\read(__SELECTED_FEATURE_lowWaterSensor)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=47, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L256] COND TRUE \read(__SELECTED_FEATURE_highWaterSensor) [L228] int tmp ; VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=47, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L231] COND TRUE ! pumpRunning [L462] int retValue_acc ; [L463] int tmp ; [L464] int tmp___0 ; [L1055] int retValue_acc ; VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=47, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L1058] COND FALSE !(waterLevel < 2) [L1062] retValue_acc = 0 [L1063] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=47, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L468] tmp = isHighWaterSensorDry() [L470] COND FALSE !(\read(tmp)) [L473] tmp___0 = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=47, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L475] retValue_acc = tmp___0 [L476] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=47, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L233] tmp = isHighWaterLevel() [L235] COND TRUE \read(tmp) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=47, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L384] COND FALSE !(\read(__SELECTED_FEATURE_methaneQuery)) [L359] pumpRunning = 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=47, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L158] int tmp ; [L159] int tmp___0 ; [L1046] int retValue_acc ; [L1049] retValue_acc = waterLevel [L1050] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=47, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L163] tmp = getWaterLevel() [L165] COND FALSE !(tmp == 0) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=47, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L533] COND TRUE 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=47, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L535] COND TRUE splverifierCounter < 4 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=47, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L541] tmp = __VERIFIER_nondet_int() [L543] COND FALSE !(\read(tmp)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=47, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L551] tmp___0 = __VERIFIER_nondet_int() [L553] COND FALSE !(\read(tmp___0)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=47, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L561] tmp___2 = __VERIFIER_nondet_int() [L563] COND FALSE !(\read(tmp___2)) [L573] tmp___1 = __VERIFIER_nondet_int() [L575] COND FALSE !(\read(tmp___1)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=47, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L199] COND TRUE \read(pumpRunning) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=47, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L981] COND TRUE waterLevel > 0 [L982] waterLevel = waterLevel - 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=47, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L206] COND TRUE \read(systemActive) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=47, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L342] COND FALSE !(\read(__SELECTED_FEATURE_methaneAlarm)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=47, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L299] COND FALSE !(\read(__SELECTED_FEATURE_lowWaterSensor)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=47, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L256] COND TRUE \read(__SELECTED_FEATURE_highWaterSensor) [L228] int tmp ; VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=47, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L231] COND FALSE !(! pumpRunning) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=47, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L158] int tmp ; [L159] int tmp___0 ; [L1046] int retValue_acc ; [L1049] retValue_acc = waterLevel [L1050] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=47, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L163] tmp = getWaterLevel() [L165] COND FALSE !(tmp == 0) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=47, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L533] COND TRUE 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=47, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L535] COND TRUE splverifierCounter < 4 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=47, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L541] tmp = __VERIFIER_nondet_int() [L543] COND FALSE !(\read(tmp)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=47, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L551] tmp___0 = __VERIFIER_nondet_int() [L553] COND FALSE !(\read(tmp___0)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=47, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L561] tmp___2 = __VERIFIER_nondet_int() [L563] COND FALSE !(\read(tmp___2)) [L573] tmp___1 = __VERIFIER_nondet_int() [L575] COND FALSE !(\read(tmp___1)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=47, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L199] COND TRUE \read(pumpRunning) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=47, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L981] COND TRUE waterLevel > 0 [L982] waterLevel = waterLevel - 1 VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=47, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L206] COND TRUE \read(systemActive) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=47, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L342] COND FALSE !(\read(__SELECTED_FEATURE_methaneAlarm)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=47, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L299] COND FALSE !(\read(__SELECTED_FEATURE_lowWaterSensor)) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=47, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L256] COND TRUE \read(__SELECTED_FEATURE_highWaterSensor) [L228] int tmp ; VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=47, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L231] COND FALSE !(! pumpRunning) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=47, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L158] int tmp ; [L159] int tmp___0 ; [L1046] int retValue_acc ; [L1049] retValue_acc = waterLevel [L1050] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=47, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L163] tmp = getWaterLevel() [L165] COND TRUE tmp == 0 [L417] int retValue_acc ; [L420] retValue_acc = pumpRunning [L421] return (retValue_acc); VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=47, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L167] tmp___0 = isPumpRunning() [L169] COND TRUE \read(tmp___0) VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=47, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L604] reach_error() VAL [__GUIDSL_ROOT_PRODUCTION=1, __SELECTED_FEATURE_base=1, __SELECTED_FEATURE_highWaterSensor=47, __SELECTED_FEATURE_lowWaterSensor=0, __SELECTED_FEATURE_methaneAlarm=0, __SELECTED_FEATURE_methaneQuery=0, __SELECTED_FEATURE_startCommand=0, __SELECTED_FEATURE_stopCommand=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 470 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 6.2s, OverallIterations: 15, TraceHistogramMax: 3, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5390 SDtfs, 5448 SDslu, 6620 SDs, 0 SdLazy, 794 SolverSat, 209 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 141 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=861occurred 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: 0.6s AutomataMinimizationTime, 14 MinimizatonAttempts, 3648 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 742 NumberOfCodeBlocks, 742 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 647 ConstructedInterpolants, 0 QuantifiedInterpolants, 55871 SizeOfPredicates, 3 NumberOfNonLiveVariables, 502 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 95/101 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 incorrect! Received shutdown request...