./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product43.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_ead703f1-5894-406a-ab5c-5bac7cb5d429/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ead703f1-5894-406a-ab5c-5bac7cb5d429/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_ead703f1-5894-406a-ab5c-5bac7cb5d429/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ead703f1-5894-406a-ab5c-5bac7cb5d429/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product43.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ead703f1-5894-406a-ab5c-5bac7cb5d429/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_ead703f1-5894-406a-ab5c-5bac7cb5d429/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 512e5cf92a225db6dbd0c8975a0c1a4cbe1a4a48 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:26:30,593 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:26:30,597 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:26:30,650 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:26:30,652 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:26:30,653 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:26:30,655 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:26:30,657 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:26:30,659 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:26:30,660 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:26:30,661 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:26:30,662 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:26:30,663 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:26:30,664 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:26:30,665 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:26:30,667 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:26:30,668 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:26:30,669 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:26:30,672 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:26:30,675 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:26:30,677 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:26:30,678 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:26:30,679 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:26:30,680 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:26:30,684 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:26:30,684 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:26:30,684 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:26:30,685 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:26:30,686 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:26:30,687 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:26:30,687 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:26:30,688 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:26:30,689 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:26:30,690 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:26:30,691 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:26:30,691 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:26:30,692 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:26:30,692 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:26:30,692 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:26:30,694 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:26:30,694 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:26:30,696 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ead703f1-5894-406a-ab5c-5bac7cb5d429/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:26:30,743 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:26:30,743 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:26:30,745 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:26:30,745 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:26:30,745 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:26:30,746 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:26:30,746 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:26:30,746 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:26:30,746 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:26:30,747 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:26:30,748 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:26:30,748 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:26:30,748 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:26:30,748 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:26:30,749 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:26:30,749 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:26:30,749 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:26:30,749 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:26:30,749 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:26:30,750 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:26:30,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:26:30,750 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:26:30,750 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:26:30,751 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:26:30,751 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:26:30,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:26:30,751 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:26:30,751 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:26:30,752 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_ead703f1-5894-406a-ab5c-5bac7cb5d429/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ead703f1-5894-406a-ab5c-5bac7cb5d429/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 512e5cf92a225db6dbd0c8975a0c1a4cbe1a4a48 [2021-10-11 00:26:30,994 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:26:31,014 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:26:31,017 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:26:31,018 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:26:31,019 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:26:31,020 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ead703f1-5894-406a-ab5c-5bac7cb5d429/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/minepump_spec5_product43.cil.c [2021-10-11 00:26:31,115 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ead703f1-5894-406a-ab5c-5bac7cb5d429/bin/uautomizer-Z5i5R5N3CC/data/1395e1f7d/5bff3c09df1842eda9ebe020bde90ad2/FLAG9c113fd4a [2021-10-11 00:26:31,636 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:26:31,636 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ead703f1-5894-406a-ab5c-5bac7cb5d429/sv-benchmarks/c/product-lines/minepump_spec5_product43.cil.c [2021-10-11 00:26:31,658 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ead703f1-5894-406a-ab5c-5bac7cb5d429/bin/uautomizer-Z5i5R5N3CC/data/1395e1f7d/5bff3c09df1842eda9ebe020bde90ad2/FLAG9c113fd4a [2021-10-11 00:26:31,946 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ead703f1-5894-406a-ab5c-5bac7cb5d429/bin/uautomizer-Z5i5R5N3CC/data/1395e1f7d/5bff3c09df1842eda9ebe020bde90ad2 [2021-10-11 00:26:31,948 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:26:31,950 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:26:31,952 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:26:31,952 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:26:31,955 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:26:31,956 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:26:31" (1/1) ... [2021-10-11 00:26:31,958 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@717293a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:31, skipping insertion in model container [2021-10-11 00:26:31,958 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:26:31" (1/1) ... [2021-10-11 00:26:31,965 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:26:32,012 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:26:32,379 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_ead703f1-5894-406a-ab5c-5bac7cb5d429/sv-benchmarks/c/product-lines/minepump_spec5_product43.cil.c[18213,18226] [2021-10-11 00:26:32,382 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:26:32,392 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:26:32,515 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_ead703f1-5894-406a-ab5c-5bac7cb5d429/sv-benchmarks/c/product-lines/minepump_spec5_product43.cil.c[18213,18226] [2021-10-11 00:26:32,516 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:26:32,547 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:26:32,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:32 WrapperNode [2021-10-11 00:26:32,548 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:26:32,549 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:26:32,550 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:26:32,550 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:26:32,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:32" (1/1) ... [2021-10-11 00:26:32,577 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:32" (1/1) ... [2021-10-11 00:26:32,641 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:26:32,642 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:26:32,642 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:26:32,642 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:26:32,656 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:32" (1/1) ... [2021-10-11 00:26:32,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:32" (1/1) ... [2021-10-11 00:26:32,661 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:32" (1/1) ... [2021-10-11 00:26:32,661 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:32" (1/1) ... [2021-10-11 00:26:32,673 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:32" (1/1) ... [2021-10-11 00:26:32,680 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:32" (1/1) ... [2021-10-11 00:26:32,684 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:32" (1/1) ... [2021-10-11 00:26:32,689 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:26:32,690 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:26:32,691 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:26:32,691 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:26:32,694 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:32" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ead703f1-5894-406a-ab5c-5bac7cb5d429/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 00:26:32,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:26:32,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:26:32,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:26:32,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:26:33,822 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:26:33,822 INFO L299 CfgBuilder]: Removed 132 assume(true) statements. [2021-10-11 00:26:33,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:26:33 BoogieIcfgContainer [2021-10-11 00:26:33,825 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:26:33,829 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:26:33,830 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:26:33,833 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:26:33,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:26:31" (1/3) ... [2021-10-11 00:26:33,835 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e55de95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:26:33, skipping insertion in model container [2021-10-11 00:26:33,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:32" (2/3) ... [2021-10-11 00:26:33,835 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e55de95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:26:33, skipping insertion in model container [2021-10-11 00:26:33,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:26:33" (3/3) ... [2021-10-11 00:26:33,838 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product43.cil.c [2021-10-11 00:26:33,852 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:26:33,856 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 00:26:33,867 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 00:26:33,906 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:26:33,906 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:26:33,906 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:26:33,907 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:26:33,907 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:26:33,907 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:26:33,907 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:26:33,907 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:26:33,930 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states. [2021-10-11 00:26:33,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 00:26:33,937 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:26:33,938 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:26:33,938 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:26:33,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:26:33,944 INFO L82 PathProgramCache]: Analyzing trace with hash -2684768, now seen corresponding path program 1 times [2021-10-11 00:26:33,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:26:33,955 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191776019] [2021-10-11 00:26:33,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:26:34,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:26:34,189 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 00:26:34,189 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191776019] [2021-10-11 00:26:34,190 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:26:34,191 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:26:34,191 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378315623] [2021-10-11 00:26:34,196 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:26:34,196 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:26:34,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:26:34,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:26:34,212 INFO L87 Difference]: Start difference. First operand 98 states. Second operand 2 states. [2021-10-11 00:26:34,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:26:34,241 INFO L93 Difference]: Finished difference Result 189 states and 280 transitions. [2021-10-11 00:26:34,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:26:34,243 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2021-10-11 00:26:34,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:26:34,253 INFO L225 Difference]: With dead ends: 189 [2021-10-11 00:26:34,254 INFO L226 Difference]: Without dead ends: 94 [2021-10-11 00:26:34,257 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 00:26:34,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2021-10-11 00:26:34,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2021-10-11 00:26:34,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2021-10-11 00:26:34,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 132 transitions. [2021-10-11 00:26:34,300 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 132 transitions. Word has length 19 [2021-10-11 00:26:34,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:26:34,301 INFO L481 AbstractCegarLoop]: Abstraction has 94 states and 132 transitions. [2021-10-11 00:26:34,301 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:26:34,301 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 132 transitions. [2021-10-11 00:26:34,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-11 00:26:34,303 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:26:34,303 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:26:34,303 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:26:34,303 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:26:34,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:26:34,304 INFO L82 PathProgramCache]: Analyzing trace with hash -1024617476, now seen corresponding path program 1 times [2021-10-11 00:26:34,305 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:26:34,305 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848787934] [2021-10-11 00:26:34,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:26:34,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:26:34,425 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 00:26:34,425 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848787934] [2021-10-11 00:26:34,425 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:26:34,426 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:26:34,426 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541550018] [2021-10-11 00:26:34,427 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:26:34,427 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:26:34,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:26:34,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:26:34,428 INFO L87 Difference]: Start difference. First operand 94 states and 132 transitions. Second operand 3 states. [2021-10-11 00:26:34,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:26:34,447 INFO L93 Difference]: Finished difference Result 94 states and 132 transitions. [2021-10-11 00:26:34,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:26:34,448 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2021-10-11 00:26:34,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:26:34,451 INFO L225 Difference]: With dead ends: 94 [2021-10-11 00:26:34,452 INFO L226 Difference]: Without dead ends: 43 [2021-10-11 00:26:34,454 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 00:26:34,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2021-10-11 00:26:34,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2021-10-11 00:26:34,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2021-10-11 00:26:34,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 60 transitions. [2021-10-11 00:26:34,467 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 60 transitions. Word has length 20 [2021-10-11 00:26:34,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:26:34,467 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 60 transitions. [2021-10-11 00:26:34,467 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:26:34,467 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2021-10-11 00:26:34,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 00:26:34,468 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:26:34,469 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:26:34,471 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:26:34,471 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:26:34,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:26:34,471 INFO L82 PathProgramCache]: Analyzing trace with hash -322803839, now seen corresponding path program 1 times [2021-10-11 00:26:34,475 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:26:34,475 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385577968] [2021-10-11 00:26:34,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:26:34,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:26:34,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:26:34,611 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385577968] [2021-10-11 00:26:34,611 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:26:34,611 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:26:34,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044786820] [2021-10-11 00:26:34,612 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 00:26:34,613 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:26:34,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 00:26:34,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:26:34,619 INFO L87 Difference]: Start difference. First operand 43 states and 60 transitions. Second operand 6 states. [2021-10-11 00:26:34,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:26:34,891 INFO L93 Difference]: Finished difference Result 141 states and 204 transitions. [2021-10-11 00:26:34,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:26:34,892 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2021-10-11 00:26:34,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:26:34,893 INFO L225 Difference]: With dead ends: 141 [2021-10-11 00:26:34,894 INFO L226 Difference]: Without dead ends: 105 [2021-10-11 00:26:34,894 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-11 00:26:34,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2021-10-11 00:26:34,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 65. [2021-10-11 00:26:34,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2021-10-11 00:26:34,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 93 transitions. [2021-10-11 00:26:34,905 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 93 transitions. Word has length 26 [2021-10-11 00:26:34,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:26:34,906 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 93 transitions. [2021-10-11 00:26:34,906 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 00:26:34,906 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 93 transitions. [2021-10-11 00:26:34,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-11 00:26:34,907 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:26:34,907 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:26:34,908 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:26:34,908 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:26:34,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:26:34,908 INFO L82 PathProgramCache]: Analyzing trace with hash 1431450619, now seen corresponding path program 1 times [2021-10-11 00:26:34,909 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:26:34,909 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310726353] [2021-10-11 00:26:34,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:26:34,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:26:35,013 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 00:26:35,014 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310726353] [2021-10-11 00:26:35,014 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:26:35,014 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:26:35,015 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593689385] [2021-10-11 00:26:35,015 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:26:35,015 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:26:35,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:26:35,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:26:35,017 INFO L87 Difference]: Start difference. First operand 65 states and 93 transitions. Second operand 3 states. [2021-10-11 00:26:35,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:26:35,079 INFO L93 Difference]: Finished difference Result 147 states and 213 transitions. [2021-10-11 00:26:35,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:26:35,080 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2021-10-11 00:26:35,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:26:35,083 INFO L225 Difference]: With dead ends: 147 [2021-10-11 00:26:35,084 INFO L226 Difference]: Without dead ends: 89 [2021-10-11 00:26:35,085 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 00:26:35,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2021-10-11 00:26:35,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2021-10-11 00:26:35,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2021-10-11 00:26:35,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 122 transitions. [2021-10-11 00:26:35,105 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 122 transitions. Word has length 27 [2021-10-11 00:26:35,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:26:35,106 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 122 transitions. [2021-10-11 00:26:35,106 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:26:35,106 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 122 transitions. [2021-10-11 00:26:35,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-11 00:26:35,109 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:26:35,109 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] [2021-10-11 00:26:35,110 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:26:35,110 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:26:35,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:26:35,111 INFO L82 PathProgramCache]: Analyzing trace with hash -591283254, now seen corresponding path program 1 times [2021-10-11 00:26:35,111 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:26:35,122 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593605464] [2021-10-11 00:26:35,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:26:35,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:26:35,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:26:35,263 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593605464] [2021-10-11 00:26:35,263 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:26:35,263 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:26:35,264 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485267713] [2021-10-11 00:26:35,264 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:26:35,265 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:26:35,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:26:35,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:26:35,267 INFO L87 Difference]: Start difference. First operand 87 states and 122 transitions. Second operand 5 states. [2021-10-11 00:26:35,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:26:35,420 INFO L93 Difference]: Finished difference Result 288 states and 406 transitions. [2021-10-11 00:26:35,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 00:26:35,421 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2021-10-11 00:26:35,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:26:35,424 INFO L225 Difference]: With dead ends: 288 [2021-10-11 00:26:35,425 INFO L226 Difference]: Without dead ends: 208 [2021-10-11 00:26:35,428 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 00:26:35,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2021-10-11 00:26:35,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 85. [2021-10-11 00:26:35,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2021-10-11 00:26:35,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 116 transitions. [2021-10-11 00:26:35,456 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 116 transitions. Word has length 29 [2021-10-11 00:26:35,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:26:35,457 INFO L481 AbstractCegarLoop]: Abstraction has 85 states and 116 transitions. [2021-10-11 00:26:35,457 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:26:35,457 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 116 transitions. [2021-10-11 00:26:35,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-11 00:26:35,464 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:26:35,464 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] [2021-10-11 00:26:35,464 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:26:35,464 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:26:35,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:26:35,465 INFO L82 PathProgramCache]: Analyzing trace with hash 644254591, now seen corresponding path program 1 times [2021-10-11 00:26:35,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:26:35,466 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632064702] [2021-10-11 00:26:35,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:26:35,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:26:35,573 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 00:26:35,574 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632064702] [2021-10-11 00:26:35,574 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:26:35,574 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:26:35,574 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970828479] [2021-10-11 00:26:35,575 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:26:35,575 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:26:35,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:26:35,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:26:35,576 INFO L87 Difference]: Start difference. First operand 85 states and 116 transitions. Second operand 5 states. [2021-10-11 00:26:35,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:26:35,634 INFO L93 Difference]: Finished difference Result 251 states and 344 transitions. [2021-10-11 00:26:35,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:26:35,635 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2021-10-11 00:26:35,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:26:35,637 INFO L225 Difference]: With dead ends: 251 [2021-10-11 00:26:35,637 INFO L226 Difference]: Without dead ends: 173 [2021-10-11 00:26:35,639 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 00:26:35,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2021-10-11 00:26:35,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 88. [2021-10-11 00:26:35,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2021-10-11 00:26:35,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 119 transitions. [2021-10-11 00:26:35,661 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 119 transitions. Word has length 36 [2021-10-11 00:26:35,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:26:35,666 INFO L481 AbstractCegarLoop]: Abstraction has 88 states and 119 transitions. [2021-10-11 00:26:35,666 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:26:35,666 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 119 transitions. [2021-10-11 00:26:35,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-11 00:26:35,669 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:26:35,669 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] [2021-10-11 00:26:35,669 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-11 00:26:35,670 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:26:35,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:26:35,671 INFO L82 PathProgramCache]: Analyzing trace with hash -366862659, now seen corresponding path program 1 times [2021-10-11 00:26:35,672 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:26:35,677 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852368741] [2021-10-11 00:26:35,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:26:35,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:26:35,784 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 00:26:35,785 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852368741] [2021-10-11 00:26:35,785 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:26:35,785 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:26:35,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625995621] [2021-10-11 00:26:35,786 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:26:35,787 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:26:35,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:26:35,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:26:35,788 INFO L87 Difference]: Start difference. First operand 88 states and 119 transitions. Second operand 4 states. [2021-10-11 00:26:35,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:26:35,827 INFO L93 Difference]: Finished difference Result 217 states and 295 transitions. [2021-10-11 00:26:35,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:26:35,828 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 36 [2021-10-11 00:26:35,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:26:35,829 INFO L225 Difference]: With dead ends: 217 [2021-10-11 00:26:35,830 INFO L226 Difference]: Without dead ends: 136 [2021-10-11 00:26:35,831 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 00:26:35,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2021-10-11 00:26:35,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 90. [2021-10-11 00:26:35,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2021-10-11 00:26:35,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 121 transitions. [2021-10-11 00:26:35,851 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 121 transitions. Word has length 36 [2021-10-11 00:26:35,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:26:35,852 INFO L481 AbstractCegarLoop]: Abstraction has 90 states and 121 transitions. [2021-10-11 00:26:35,852 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:26:35,853 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 121 transitions. [2021-10-11 00:26:35,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-11 00:26:35,853 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:26:35,853 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] [2021-10-11 00:26:35,853 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-11 00:26:35,854 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:26:35,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:26:35,855 INFO L82 PathProgramCache]: Analyzing trace with hash -1387931013, now seen corresponding path program 1 times [2021-10-11 00:26:35,855 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:26:35,856 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36082902] [2021-10-11 00:26:35,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:26:35,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:26:35,931 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 00:26:35,932 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36082902] [2021-10-11 00:26:35,932 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:26:35,932 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:26:35,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449307867] [2021-10-11 00:26:35,933 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:26:35,933 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:26:35,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:26:35,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:26:35,934 INFO L87 Difference]: Start difference. First operand 90 states and 121 transitions. Second operand 3 states. [2021-10-11 00:26:35,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:26:35,962 INFO L93 Difference]: Finished difference Result 222 states and 300 transitions. [2021-10-11 00:26:35,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:26:35,963 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 36 [2021-10-11 00:26:35,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:26:35,964 INFO L225 Difference]: With dead ends: 222 [2021-10-11 00:26:35,965 INFO L226 Difference]: Without dead ends: 139 [2021-10-11 00:26:35,965 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 00:26:35,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2021-10-11 00:26:35,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2021-10-11 00:26:35,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2021-10-11 00:26:35,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 183 transitions. [2021-10-11 00:26:35,982 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 183 transitions. Word has length 36 [2021-10-11 00:26:35,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:26:35,982 INFO L481 AbstractCegarLoop]: Abstraction has 139 states and 183 transitions. [2021-10-11 00:26:35,982 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:26:35,982 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 183 transitions. [2021-10-11 00:26:35,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-11 00:26:35,983 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:26:35,983 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] [2021-10-11 00:26:35,983 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-11 00:26:35,984 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:26:35,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:26:35,984 INFO L82 PathProgramCache]: Analyzing trace with hash 1432557499, now seen corresponding path program 1 times [2021-10-11 00:26:35,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:26:35,985 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663431469] [2021-10-11 00:26:35,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:26:36,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:26:36,079 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 00:26:36,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663431469] [2021-10-11 00:26:36,080 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:26:36,080 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 00:26:36,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039677122] [2021-10-11 00:26:36,081 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-10-11 00:26:36,081 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:26:36,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-11 00:26:36,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:26:36,082 INFO L87 Difference]: Start difference. First operand 139 states and 183 transitions. Second operand 7 states. [2021-10-11 00:26:36,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:26:36,435 INFO L93 Difference]: Finished difference Result 628 states and 858 transitions. [2021-10-11 00:26:36,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-11 00:26:36,436 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 37 [2021-10-11 00:26:36,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:26:36,439 INFO L225 Difference]: With dead ends: 628 [2021-10-11 00:26:36,440 INFO L226 Difference]: Without dead ends: 545 [2021-10-11 00:26:36,440 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2021-10-11 00:26:36,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2021-10-11 00:26:36,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 225. [2021-10-11 00:26:36,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2021-10-11 00:26:36,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 298 transitions. [2021-10-11 00:26:36,481 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 298 transitions. Word has length 37 [2021-10-11 00:26:36,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:26:36,483 INFO L481 AbstractCegarLoop]: Abstraction has 225 states and 298 transitions. [2021-10-11 00:26:36,483 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-10-11 00:26:36,483 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 298 transitions. [2021-10-11 00:26:36,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-11 00:26:36,484 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:26:36,484 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:26:36,485 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-11 00:26:36,485 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:26:36,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:26:36,485 INFO L82 PathProgramCache]: Analyzing trace with hash 329840228, now seen corresponding path program 1 times [2021-10-11 00:26:36,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:26:36,486 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558143416] [2021-10-11 00:26:36,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:26:36,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:26:36,575 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:26:36,575 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558143416] [2021-10-11 00:26:36,575 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [268844135] [2021-10-11 00:26:36,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ead703f1-5894-406a-ab5c-5bac7cb5d429/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 00:26:36,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:26:36,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 00:26:36,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:26:36,914 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:26:36,915 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-11 00:26:36,915 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-10-11 00:26:36,917 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194621018] [2021-10-11 00:26:36,918 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-10-11 00:26:36,919 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:26:36,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-11 00:26:36,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-11 00:26:36,920 INFO L87 Difference]: Start difference. First operand 225 states and 298 transitions. Second operand 8 states. [2021-10-11 00:26:37,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:26:37,369 INFO L93 Difference]: Finished difference Result 459 states and 611 transitions. [2021-10-11 00:26:37,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 00:26:37,370 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2021-10-11 00:26:37,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:26:37,371 INFO L225 Difference]: With dead ends: 459 [2021-10-11 00:26:37,371 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:26:37,372 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-10-11 00:26:37,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:26:37,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:26:37,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:26:37,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:26:37,373 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2021-10-11 00:26:37,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:26:37,373 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:26:37,373 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-10-11 00:26:37,373 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:26:37,373 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:26:37,587 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-10-11 00:26:37,588 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:26:38,432 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 20 [2021-10-11 00:26:38,734 WARN L197 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 26 [2021-10-11 00:26:38,946 WARN L197 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 29 [2021-10-11 00:26:39,262 WARN L197 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 29 [2021-10-11 00:26:39,570 WARN L197 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 29 [2021-10-11 00:26:39,939 WARN L197 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 26 [2021-10-11 00:26:40,058 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 22 [2021-10-11 00:26:40,410 WARN L197 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 29 [2021-10-11 00:26:40,746 WARN L197 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 27 [2021-10-11 00:26:40,866 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 22 [2021-10-11 00:26:41,125 WARN L197 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 24 [2021-10-11 00:26:41,353 WARN L197 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 34 [2021-10-11 00:26:41,356 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 963) no Hoare annotation was computed. [2021-10-11 00:26:41,357 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:26:41,357 INFO L262 CegarLoopResult]: For program point L863(lines 863 869) no Hoare annotation was computed. [2021-10-11 00:26:41,357 INFO L262 CegarLoopResult]: For program point L863-1(lines 863 869) no Hoare annotation was computed. [2021-10-11 00:26:41,357 INFO L262 CegarLoopResult]: For program point L863-2(lines 863 869) no Hoare annotation was computed. [2021-10-11 00:26:41,357 INFO L262 CegarLoopResult]: For program point L500(lines 500 507) no Hoare annotation was computed. [2021-10-11 00:26:41,357 INFO L265 CegarLoopResult]: At program point L500-1(lines 500 507) the Hoare annotation is: true [2021-10-11 00:26:41,357 INFO L258 CegarLoopResult]: At program point L946(lines 1 966) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-10-11 00:26:41,357 INFO L262 CegarLoopResult]: For program point L963(line 963) no Hoare annotation was computed. [2021-10-11 00:26:41,357 INFO L262 CegarLoopResult]: For program point L963-1(line 963) no Hoare annotation was computed. [2021-10-11 00:26:41,357 INFO L262 CegarLoopResult]: For program point L963-2(line 963) no Hoare annotation was computed. [2021-10-11 00:26:41,357 INFO L262 CegarLoopResult]: For program point L798(lines 798 802) no Hoare annotation was computed. [2021-10-11 00:26:41,357 INFO L262 CegarLoopResult]: For program point L633(lines 633 650) no Hoare annotation was computed. [2021-10-11 00:26:41,357 INFO L262 CegarLoopResult]: For program point L633-1(lines 633 650) no Hoare annotation was computed. [2021-10-11 00:26:41,358 INFO L262 CegarLoopResult]: For program point L633-2(lines 633 650) no Hoare annotation was computed. [2021-10-11 00:26:41,358 INFO L258 CegarLoopResult]: At program point L881(lines 876 883) the Hoare annotation is: (and (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~3 ~systemActive~0)) [2021-10-11 00:26:41,358 INFO L258 CegarLoopResult]: At program point L601(lines 597 619) the Hoare annotation is: (let ((.cse3 (not (= 0 ~systemActive~0))) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse0 .cse1 .cse2) (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) .cse3 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and .cse3 .cse0 .cse1 .cse2))) [2021-10-11 00:26:41,358 INFO L258 CegarLoopResult]: At program point L601-1(lines 597 619) the Hoare annotation is: false [2021-10-11 00:26:41,358 INFO L262 CegarLoopResult]: For program point L535(lines 535 541) no Hoare annotation was computed. [2021-10-11 00:26:41,358 INFO L258 CegarLoopResult]: At program point L601-2(lines 597 619) the Hoare annotation is: false [2021-10-11 00:26:41,358 INFO L258 CegarLoopResult]: At program point L535-1(lines 535 541) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse4 .cse2 .cse3) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and .cse1 .cse4 .cse2 .cse3))) [2021-10-11 00:26:41,359 INFO L258 CegarLoopResult]: At program point L420-2(lines 420 434) the Hoare annotation is: false [2021-10-11 00:26:41,359 INFO L262 CegarLoopResult]: For program point L767(lines 767 773) no Hoare annotation was computed. [2021-10-11 00:26:41,359 INFO L258 CegarLoopResult]: At program point L767-1(lines 767 773) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2)) [2021-10-11 00:26:41,359 INFO L262 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2021-10-11 00:26:41,359 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:26:41,359 INFO L258 CegarLoopResult]: At program point L471(lines 467 473) the Hoare annotation is: (and (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~3 ~systemActive~0)) [2021-10-11 00:26:41,359 INFO L258 CegarLoopResult]: At program point L868(lines 859 872) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse3))) [2021-10-11 00:26:41,359 INFO L258 CegarLoopResult]: At program point L868-1(lines 859 872) the Hoare annotation is: false [2021-10-11 00:26:41,359 INFO L258 CegarLoopResult]: At program point L868-2(lines 859 872) the Hoare annotation is: false [2021-10-11 00:26:41,359 INFO L262 CegarLoopResult]: For program point L670(lines 670 676) no Hoare annotation was computed. [2021-10-11 00:26:41,360 INFO L262 CegarLoopResult]: For program point L637(lines 637 645) no Hoare annotation was computed. [2021-10-11 00:26:41,360 INFO L262 CegarLoopResult]: For program point L637-1(lines 637 645) no Hoare annotation was computed. [2021-10-11 00:26:41,360 INFO L262 CegarLoopResult]: For program point L670-2(lines 670 676) no Hoare annotation was computed. [2021-10-11 00:26:41,360 INFO L262 CegarLoopResult]: For program point L637-2(lines 637 645) no Hoare annotation was computed. [2021-10-11 00:26:41,360 INFO L262 CegarLoopResult]: For program point L670-4(lines 670 676) no Hoare annotation was computed. [2021-10-11 00:26:41,360 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 963) no Hoare annotation was computed. [2021-10-11 00:26:41,360 INFO L262 CegarLoopResult]: For program point L786(lines 786 790) no Hoare annotation was computed. [2021-10-11 00:26:41,360 INFO L262 CegarLoopResult]: For program point L753(lines 753 757) no Hoare annotation was computed. [2021-10-11 00:26:41,360 INFO L262 CegarLoopResult]: For program point L753-2(lines 753 757) no Hoare annotation was computed. [2021-10-11 00:26:41,360 INFO L262 CegarLoopResult]: For program point L786-3(lines 786 790) no Hoare annotation was computed. [2021-10-11 00:26:41,360 INFO L262 CegarLoopResult]: For program point L753-3(lines 753 757) no Hoare annotation was computed. [2021-10-11 00:26:41,360 INFO L262 CegarLoopResult]: For program point L753-5(lines 753 757) no Hoare annotation was computed. [2021-10-11 00:26:41,360 INFO L262 CegarLoopResult]: For program point L786-6(lines 786 790) no Hoare annotation was computed. [2021-10-11 00:26:41,360 INFO L262 CegarLoopResult]: For program point L555(lines 555 568) no Hoare annotation was computed. [2021-10-11 00:26:41,361 INFO L262 CegarLoopResult]: For program point L753-6(lines 753 757) no Hoare annotation was computed. [2021-10-11 00:26:41,361 INFO L262 CegarLoopResult]: For program point L753-8(lines 753 757) no Hoare annotation was computed. [2021-10-11 00:26:41,361 INFO L262 CegarLoopResult]: For program point L902(lines 902 919) no Hoare annotation was computed. [2021-10-11 00:26:41,361 INFO L258 CegarLoopResult]: At program point L902-1(lines 1 966) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse3 (= ~pumpRunning~0 1)) (.cse4 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse0 .cse1 .cse2) (and (= ~switchedOnBeforeTS~0 1) .cse3 .cse4 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and .cse4 .cse0 .cse1 .cse2) (and .cse3 (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse4 (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8 2) (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~8) .cse1 .cse2))) [2021-10-11 00:26:41,361 INFO L262 CegarLoopResult]: For program point L902-2(lines 902 919) no Hoare annotation was computed. [2021-10-11 00:26:41,361 INFO L258 CegarLoopResult]: At program point L902-3(lines 1 966) the Hoare annotation is: false [2021-10-11 00:26:41,361 INFO L262 CegarLoopResult]: For program point L902-4(lines 902 919) no Hoare annotation was computed. [2021-10-11 00:26:41,362 INFO L258 CegarLoopResult]: At program point L902-5(lines 1 966) the Hoare annotation is: false [2021-10-11 00:26:41,362 INFO L258 CegarLoopResult]: At program point L704(lines 699 707) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 1)) (.cse3 (not (= 0 ~systemActive~0))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse1 (<= ~waterLevel~0 2))) (or (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse0 .cse1) (and .cse2 .cse3 (<= 2 ~waterLevel~0) .cse0 .cse4 .cse1) (and (= ~switchedOnBeforeTS~0 1) .cse2 .cse3 .cse0 .cse4 .cse1))) [2021-10-11 00:26:41,362 INFO L258 CegarLoopResult]: At program point L704-1(lines 699 707) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2))) (or (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse0 .cse1) (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) (not (= 0 ~systemActive~0)) .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse1))) [2021-10-11 00:26:41,362 INFO L258 CegarLoopResult]: At program point L704-2(lines 699 707) the Hoare annotation is: false [2021-10-11 00:26:41,362 INFO L258 CegarLoopResult]: At program point L704-3(lines 699 707) the Hoare annotation is: false [2021-10-11 00:26:41,362 INFO L258 CegarLoopResult]: At program point L704-4(lines 699 707) the Hoare annotation is: false [2021-10-11 00:26:41,363 INFO L258 CegarLoopResult]: At program point L704-5(lines 699 707) the Hoare annotation is: false [2021-10-11 00:26:41,363 INFO L262 CegarLoopResult]: For program point L424(lines 424 428) no Hoare annotation was computed. [2021-10-11 00:26:41,363 INFO L262 CegarLoopResult]: For program point L424-1(lines 424 428) no Hoare annotation was computed. [2021-10-11 00:26:41,363 INFO L258 CegarLoopResult]: At program point L573(lines 524 574) the Hoare annotation is: false [2021-10-11 00:26:41,363 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:26:41,363 INFO L258 CegarLoopResult]: At program point L954(lines 949 957) the Hoare annotation is: (and (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-10-11 00:26:41,363 INFO L258 CegarLoopResult]: At program point L855(lines 850 858) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 1)) (.cse4 (not (= 0 ~systemActive~0))) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse0 .cse1 .cse2) (and .cse3 (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse4 (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse1 .cse2) (and (= ~switchedOnBeforeTS~0 1) .cse3 .cse4 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse2) (and .cse4 .cse0 .cse1 .cse2))) [2021-10-11 00:26:41,364 INFO L258 CegarLoopResult]: At program point L855-1(lines 850 858) the Hoare annotation is: false [2021-10-11 00:26:41,364 INFO L258 CegarLoopResult]: At program point L855-2(lines 850 858) the Hoare annotation is: false [2021-10-11 00:26:41,364 INFO L258 CegarLoopResult]: At program point L608(lines 608 614) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse4 .cse2 .cse3) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and .cse1 .cse4 .cse2 .cse3))) [2021-10-11 00:26:41,364 INFO L258 CegarLoopResult]: At program point L608-1(lines 608 614) the Hoare annotation is: false [2021-10-11 00:26:41,364 INFO L258 CegarLoopResult]: At program point L608-2(lines 608 614) the Hoare annotation is: false [2021-10-11 00:26:41,364 INFO L265 CegarLoopResult]: At program point L509(lines 490 512) the Hoare annotation is: true [2021-10-11 00:26:41,365 INFO L258 CegarLoopResult]: At program point L823(lines 818 826) the Hoare annotation is: (and (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2)) [2021-10-11 00:26:41,365 INFO L258 CegarLoopResult]: At program point L823-1(lines 818 826) the Hoare annotation is: false [2021-10-11 00:26:41,365 INFO L258 CegarLoopResult]: At program point L823-2(lines 818 826) the Hoare annotation is: false [2021-10-11 00:26:41,365 INFO L262 CegarLoopResult]: For program point L526(lines 525 572) no Hoare annotation was computed. [2021-10-11 00:26:41,365 INFO L262 CegarLoopResult]: For program point L906(lines 906 916) no Hoare annotation was computed. [2021-10-11 00:26:41,365 INFO L262 CegarLoopResult]: For program point L906-2(lines 906 916) no Hoare annotation was computed. [2021-10-11 00:26:41,365 INFO L262 CegarLoopResult]: For program point L906-4(lines 906 916) no Hoare annotation was computed. [2021-10-11 00:26:41,365 INFO L262 CegarLoopResult]: For program point L527(lines 527 531) no Hoare annotation was computed. [2021-10-11 00:26:41,366 INFO L262 CegarLoopResult]: For program point L907(lines 907 913) no Hoare annotation was computed. [2021-10-11 00:26:41,366 INFO L262 CegarLoopResult]: For program point L907-2(lines 907 913) no Hoare annotation was computed. [2021-10-11 00:26:41,366 INFO L262 CegarLoopResult]: For program point L907-4(lines 907 913) no Hoare annotation was computed. [2021-10-11 00:26:41,366 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:26:41,366 INFO L258 CegarLoopResult]: At program point L891(lines 601 607) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (<= ~waterLevel~0 2))) (or (and (= |ULTIMATE.start_isPumpRunning_#res| 0) (= ~pumpRunning~0 0) .cse0 .cse1) (and (= ~switchedOnBeforeTS~0 1) (= ~pumpRunning~0 1) (not (= 0 ~systemActive~0)) .cse0 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse1))) [2021-10-11 00:26:41,366 INFO L258 CegarLoopResult]: At program point L891-1(lines 601 607) the Hoare annotation is: false [2021-10-11 00:26:41,366 INFO L258 CegarLoopResult]: At program point L891-2(lines 601 607) the Hoare annotation is: false [2021-10-11 00:26:41,367 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 963) no Hoare annotation was computed. [2021-10-11 00:26:41,367 INFO L258 CegarLoopResult]: At program point L759(lines 744 762) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse0 .cse1 .cse2 .cse3))) [2021-10-11 00:26:41,367 INFO L258 CegarLoopResult]: At program point L759-1(lines 744 762) the Hoare annotation is: false [2021-10-11 00:26:41,367 INFO L258 CegarLoopResult]: At program point L759-2(lines 744 762) the Hoare annotation is: false [2021-10-11 00:26:41,367 INFO L262 CegarLoopResult]: For program point L561(lines 561 567) no Hoare annotation was computed. [2021-10-11 00:26:41,367 INFO L258 CegarLoopResult]: At program point L561-1(lines 561 567) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and (= ~pumpRunning~0 0) .cse2 .cse3) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3))) [2021-10-11 00:26:41,368 INFO L262 CegarLoopResult]: For program point L545(lines 545 551) no Hoare annotation was computed. [2021-10-11 00:26:41,368 INFO L258 CegarLoopResult]: At program point L545-1(lines 545 551) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse1 (not (= 0 ~systemActive~0))) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3) (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse4 .cse2 .cse3) (and (= ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse3) (and .cse1 .cse4 .cse2 .cse3))) [2021-10-11 00:26:41,368 INFO L262 CegarLoopResult]: For program point L810(lines 810 814) no Hoare annotation was computed. [2021-10-11 00:26:41,368 INFO L258 CegarLoopResult]: At program point L695(lines 688 698) the Hoare annotation is: (and (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= ~waterLevel~0 2)) [2021-10-11 00:26:41,368 INFO L258 CegarLoopResult]: At program point L695-1(lines 688 698) the Hoare annotation is: false [2021-10-11 00:26:41,368 INFO L258 CegarLoopResult]: At program point L695-2(lines 688 698) the Hoare annotation is: false [2021-10-11 00:26:41,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:26:41 BoogieIcfgContainer [2021-10-11 00:26:41,400 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:26:41,400 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:26:41,401 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:26:41,401 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:26:41,401 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:26:33" (3/4) ... [2021-10-11 00:26:41,404 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:26:41,423 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 00:26:41,424 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 00:26:41,425 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 00:26:41,426 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 00:26:41,427 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 00:26:41,428 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:26:41,429 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:26:41,454 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel == 1 && \result == systemActive) && 1 == systemActive) && pumpRunning == 0 [2021-10-11 00:26:41,454 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && tmp == systemActive [2021-10-11 00:26:41,454 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && tmp == systemActive [2021-10-11 00:26:41,455 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((((pumpRunning == 1 && \result <= 2) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && tmp <= 2) && 1 < tmp) && splverifierCounter == 0) && waterLevel <= 2) [2021-10-11 00:26:41,455 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2021-10-11 00:26:41,455 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2021-10-11 00:26:41,456 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) [2021-10-11 00:26:41,456 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) [2021-10-11 00:26:41,457 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) [2021-10-11 00:26:41,457 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2021-10-11 00:26:41,457 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2021-10-11 00:26:41,458 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((pumpRunning == 1 && \result <= 2) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2021-10-11 00:26:41,459 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) [2021-10-11 00:26:41,459 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) [2021-10-11 00:26:41,460 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((tmp___0 == 0 && \result == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) [2021-10-11 00:26:41,548 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ead703f1-5894-406a-ab5c-5bac7cb5d429/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:26:41,549 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:26:41,550 INFO L168 Benchmark]: Toolchain (without parser) took 9599.55 ms. Allocated memory was 134.2 MB in the beginning and 197.1 MB in the end (delta: 62.9 MB). Free memory was 100.6 MB in the beginning and 56.0 MB in the end (delta: 44.6 MB). Peak memory consumption was 107.0 MB. Max. memory is 16.1 GB. [2021-10-11 00:26:41,551 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 81.8 MB. Free memory was 39.8 MB in the beginning and 39.8 MB in the end (delta: 36.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:26:41,551 INFO L168 Benchmark]: CACSL2BoogieTranslator took 596.98 ms. Allocated memory is still 134.2 MB. Free memory was 100.4 MB in the beginning and 99.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:26:41,552 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.52 ms. Allocated memory is still 134.2 MB. Free memory was 99.1 MB in the beginning and 95.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:26:41,552 INFO L168 Benchmark]: Boogie Preprocessor took 48.15 ms. Allocated memory is still 134.2 MB. Free memory was 95.7 MB in the beginning and 92.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:26:41,553 INFO L168 Benchmark]: RCFGBuilder took 1136.91 ms. Allocated memory is still 134.2 MB. Free memory was 92.8 MB in the beginning and 103.4 MB in the end (delta: -10.6 MB). Peak memory consumption was 60.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:26:41,553 INFO L168 Benchmark]: TraceAbstraction took 7570.62 ms. Allocated memory was 134.2 MB in the beginning and 197.1 MB in the end (delta: 62.9 MB). Free memory was 103.0 MB in the beginning and 64.4 MB in the end (delta: 38.6 MB). Peak memory consumption was 112.9 MB. Max. memory is 16.1 GB. [2021-10-11 00:26:41,554 INFO L168 Benchmark]: Witness Printer took 148.40 ms. Allocated memory is still 197.1 MB. Free memory was 64.4 MB in the beginning and 56.0 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:26:41,561 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 81.8 MB. Free memory was 39.8 MB in the beginning and 39.8 MB in the end (delta: 36.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 596.98 ms. Allocated memory is still 134.2 MB. Free memory was 100.4 MB in the beginning and 99.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 91.52 ms. Allocated memory is still 134.2 MB. Free memory was 99.1 MB in the beginning and 95.7 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 48.15 ms. Allocated memory is still 134.2 MB. Free memory was 95.7 MB in the beginning and 92.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1136.91 ms. Allocated memory is still 134.2 MB. Free memory was 92.8 MB in the beginning and 103.4 MB in the end (delta: -10.6 MB). Peak memory consumption was 60.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7570.62 ms. Allocated memory was 134.2 MB in the beginning and 197.1 MB in the end (delta: 62.9 MB). Free memory was 103.0 MB in the beginning and 64.4 MB in the end (delta: 38.6 MB). Peak memory consumption was 112.9 MB. Max. memory is 16.1 GB. * Witness Printer took 148.40 ms. Allocated memory is still 197.1 MB. Free memory was 64.4 MB in the beginning and 56.0 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 963]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 963]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 963]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 859]: Loop Invariant Derived loop invariant: ((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: ((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 859]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 859]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && tmp == systemActive - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || ((((((pumpRunning == 1 && \result <= 2) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 597]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 535]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && \result == systemActive) && 1 == systemActive) && pumpRunning == 0) && tmp == systemActive - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: (((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || ((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) - InvariantResult [Line: 949]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && \result == systemActive) && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 601]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: ((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((tmp___0 == 0 && \result == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: (((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: (((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) || (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: ((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((pumpRunning == 1 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 699]: Loop Invariant Derived loop invariant: (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 601]: Loop Invariant Derived loop invariant: (((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((\result == 0 && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2) || (((((switchedOnBeforeTS == 1 && pumpRunning == 1) && !(0 == systemActive)) && splverifierCounter == 0) && \result == 1) && waterLevel <= 2)) || (((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((((pumpRunning == 1 && \result <= 2) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && tmp <= 2) && 1 < tmp) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 601]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 98 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.6s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 894 SDtfs, 1203 SDslu, 1574 SDs, 0 SdLazy, 226 SolverSat, 66 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 114 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=225occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 616 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 158 NumberOfFragments, 759 HoareAnnotationTreeSize, 45 FomulaSimplifications, 21455 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 45 FomulaSimplificationsInter, 47608 FormulaSimplificationTreeSizeReductionInter, 3.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 374 NumberOfCodeBlocks, 374 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 363 ConstructedInterpolants, 0 QuantifiedInterpolants, 27643 SizeOfPredicates, 3 NumberOfNonLiveVariables, 435 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 26/32 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...