./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product50.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_d3611bdb-124d-4c0a-a4ec-291fda4d1a1e/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3611bdb-124d-4c0a-a4ec-291fda4d1a1e/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_d3611bdb-124d-4c0a-a4ec-291fda4d1a1e/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3611bdb-124d-4c0a-a4ec-291fda4d1a1e/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3611bdb-124d-4c0a-a4ec-291fda4d1a1e/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_d3611bdb-124d-4c0a-a4ec-291fda4d1a1e/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 a73dafdc853fd09794b169fd90326076ad938e4b ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 00:31:20,804 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:31:20,807 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:31:20,853 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:31:20,854 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:31:20,858 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:31:20,861 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:31:20,865 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:31:20,868 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:31:20,873 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:31:20,875 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:31:20,876 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:31:20,876 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:31:20,879 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:31:20,881 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:31:20,882 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:31:20,884 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:31:20,887 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:31:20,890 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:31:20,897 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:31:20,899 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:31:20,901 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:31:20,904 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:31:20,905 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:31:20,913 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:31:20,914 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:31:20,914 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:31:20,916 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:31:20,917 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:31:20,919 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:31:20,919 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:31:20,920 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:31:20,922 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:31:20,924 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:31:20,925 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:31:20,925 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:31:20,926 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:31:20,926 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:31:20,927 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:31:20,928 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:31:20,929 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:31:20,930 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3611bdb-124d-4c0a-a4ec-291fda4d1a1e/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:31:20,965 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:31:20,966 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:31:20,968 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:31:20,968 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:31:20,968 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:31:20,968 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:31:20,968 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:31:20,969 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:31:20,969 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:31:20,969 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:31:20,970 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:31:20,970 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:31:20,970 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:31:20,971 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:31:20,971 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:31:20,971 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:31:20,971 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:31:20,971 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:31:20,972 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:31:20,972 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:31:20,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:31:20,972 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:31:20,972 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:31:20,973 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:31:20,973 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:31:20,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:31:20,973 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:31:20,973 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:31:20,974 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_d3611bdb-124d-4c0a-a4ec-291fda4d1a1e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3611bdb-124d-4c0a-a4ec-291fda4d1a1e/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a73dafdc853fd09794b169fd90326076ad938e4b [2021-10-11 00:31:21,246 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:31:21,274 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:31:21,277 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:31:21,278 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:31:21,280 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:31:21,282 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3611bdb-124d-4c0a-a4ec-291fda4d1a1e/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c [2021-10-11 00:31:21,369 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3611bdb-124d-4c0a-a4ec-291fda4d1a1e/bin/uautomizer-Z5i5R5N3CC/data/5add35537/12628e428edd499dacc010bb47edd42d/FLAGec4052ed0 [2021-10-11 00:31:21,944 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:31:21,945 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3611bdb-124d-4c0a-a4ec-291fda4d1a1e/sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c [2021-10-11 00:31:21,972 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3611bdb-124d-4c0a-a4ec-291fda4d1a1e/bin/uautomizer-Z5i5R5N3CC/data/5add35537/12628e428edd499dacc010bb47edd42d/FLAGec4052ed0 [2021-10-11 00:31:22,202 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3611bdb-124d-4c0a-a4ec-291fda4d1a1e/bin/uautomizer-Z5i5R5N3CC/data/5add35537/12628e428edd499dacc010bb47edd42d [2021-10-11 00:31:22,205 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:31:22,207 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:31:22,208 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:31:22,209 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:31:22,212 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:31:22,213 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:31:22" (1/1) ... [2021-10-11 00:31:22,215 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75e02077 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:22, skipping insertion in model container [2021-10-11 00:31:22,215 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:31:22" (1/1) ... [2021-10-11 00:31:22,222 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:31:22,263 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:31:22,507 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_d3611bdb-124d-4c0a-a4ec-291fda4d1a1e/sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c[12686,12699] [2021-10-11 00:31:22,548 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:31:22,558 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:31:22,609 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_d3611bdb-124d-4c0a-a4ec-291fda4d1a1e/sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c[12686,12699] [2021-10-11 00:31:22,640 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:31:22,695 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:31:22,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:22 WrapperNode [2021-10-11 00:31:22,696 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:31:22,698 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:31:22,698 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:31:22,700 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:31:22,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:22" (1/1) ... [2021-10-11 00:31:22,735 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:22" (1/1) ... [2021-10-11 00:31:22,794 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:31:22,795 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:31:22,795 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:31:22,796 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:31:22,804 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:22" (1/1) ... [2021-10-11 00:31:22,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:22" (1/1) ... [2021-10-11 00:31:22,810 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:22" (1/1) ... [2021-10-11 00:31:22,810 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:22" (1/1) ... [2021-10-11 00:31:22,822 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:22" (1/1) ... [2021-10-11 00:31:22,830 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:22" (1/1) ... [2021-10-11 00:31:22,834 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:22" (1/1) ... [2021-10-11 00:31:22,840 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:31:22,841 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:31:22,841 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:31:22,842 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:31:22,843 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:22" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3611bdb-124d-4c0a-a4ec-291fda4d1a1e/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 00:31:22,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:31:22,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:31:22,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:31:22,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:31:23,798 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:31:23,798 INFO L299 CfgBuilder]: Removed 158 assume(true) statements. [2021-10-11 00:31:23,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:31:23 BoogieIcfgContainer [2021-10-11 00:31:23,801 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:31:23,802 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:31:23,803 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:31:23,806 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:31:23,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:31:22" (1/3) ... [2021-10-11 00:31:23,807 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d4ab0d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:31:23, skipping insertion in model container [2021-10-11 00:31:23,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:31:22" (2/3) ... [2021-10-11 00:31:23,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d4ab0d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:31:23, skipping insertion in model container [2021-10-11 00:31:23,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:31:23" (3/3) ... [2021-10-11 00:31:23,809 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product50.cil.c [2021-10-11 00:31:23,823 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:31:23,827 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 00:31:23,838 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 00:31:23,863 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:31:23,863 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:31:23,863 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:31:23,864 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:31:23,864 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:31:23,864 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:31:23,864 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:31:23,864 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:31:23,881 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2021-10-11 00:31:23,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 00:31:23,887 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:23,888 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:23,889 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:23,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:23,894 INFO L82 PathProgramCache]: Analyzing trace with hash -1800894747, now seen corresponding path program 1 times [2021-10-11 00:31:23,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:23,904 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52217951] [2021-10-11 00:31:23,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:24,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:24,148 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 00:31:24,149 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52217951] [2021-10-11 00:31:24,150 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:24,150 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:31:24,151 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024395330] [2021-10-11 00:31:24,155 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:31:24,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:24,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:31:24,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:31:24,175 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2021-10-11 00:31:24,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:24,227 INFO L93 Difference]: Finished difference Result 228 states and 347 transitions. [2021-10-11 00:31:24,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:31:24,228 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 00:31:24,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:24,238 INFO L225 Difference]: With dead ends: 228 [2021-10-11 00:31:24,239 INFO L226 Difference]: Without dead ends: 113 [2021-10-11 00:31:24,242 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 00:31:24,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2021-10-11 00:31:24,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2021-10-11 00:31:24,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2021-10-11 00:31:24,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 165 transitions. [2021-10-11 00:31:24,285 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 165 transitions. Word has length 16 [2021-10-11 00:31:24,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:24,285 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 165 transitions. [2021-10-11 00:31:24,285 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:31:24,286 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2021-10-11 00:31:24,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 00:31:24,287 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:24,287 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:24,288 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:31:24,288 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:24,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:24,289 INFO L82 PathProgramCache]: Analyzing trace with hash 1447315652, now seen corresponding path program 1 times [2021-10-11 00:31:24,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:24,289 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594966103] [2021-10-11 00:31:24,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:24,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:24,430 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 00:31:24,431 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594966103] [2021-10-11 00:31:24,431 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:24,431 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:31:24,432 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303999217] [2021-10-11 00:31:24,433 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:31:24,435 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:24,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:31:24,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:31:24,437 INFO L87 Difference]: Start difference. First operand 113 states and 165 transitions. Second operand 3 states. [2021-10-11 00:31:24,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:24,453 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2021-10-11 00:31:24,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:31:24,454 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 00:31:24,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:24,457 INFO L225 Difference]: With dead ends: 113 [2021-10-11 00:31:24,457 INFO L226 Difference]: Without dead ends: 47 [2021-10-11 00:31:24,459 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 00:31:24,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-10-11 00:31:24,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-10-11 00:31:24,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2021-10-11 00:31:24,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2021-10-11 00:31:24,471 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 17 [2021-10-11 00:31:24,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:24,471 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2021-10-11 00:31:24,472 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:31:24,472 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2021-10-11 00:31:24,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 00:31:24,474 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:24,475 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] [2021-10-11 00:31:24,476 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:31:24,476 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:24,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:24,477 INFO L82 PathProgramCache]: Analyzing trace with hash -230586389, now seen corresponding path program 1 times [2021-10-11 00:31:24,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:24,478 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660959933] [2021-10-11 00:31:24,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:24,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:24,617 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 00:31:24,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660959933] [2021-10-11 00:31:24,617 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:24,617 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:31:24,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597105017] [2021-10-11 00:31:24,618 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:31:24,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:24,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:31:24,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:31:24,623 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand 5 states. [2021-10-11 00:31:24,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:24,691 INFO L93 Difference]: Finished difference Result 88 states and 130 transitions. [2021-10-11 00:31:24,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:31:24,695 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2021-10-11 00:31:24,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:24,696 INFO L225 Difference]: With dead ends: 88 [2021-10-11 00:31:24,696 INFO L226 Difference]: Without dead ends: 47 [2021-10-11 00:31:24,697 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 00:31:24,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-10-11 00:31:24,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-10-11 00:31:24,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2021-10-11 00:31:24,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2021-10-11 00:31:24,722 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 22 [2021-10-11 00:31:24,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:24,722 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2021-10-11 00:31:24,722 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:31:24,722 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2021-10-11 00:31:24,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 00:31:24,723 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:24,723 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:24,724 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:31:24,724 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:24,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:24,724 INFO L82 PathProgramCache]: Analyzing trace with hash -108421843, now seen corresponding path program 1 times [2021-10-11 00:31:24,725 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:24,725 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100047824] [2021-10-11 00:31:24,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:24,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:24,829 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 00:31:24,829 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100047824] [2021-10-11 00:31:24,830 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:24,830 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:31:24,830 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16747372] [2021-10-11 00:31:24,830 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:31:24,831 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:24,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:31:24,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:31:24,831 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 3 states. [2021-10-11 00:31:24,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:24,879 INFO L93 Difference]: Finished difference Result 109 states and 158 transitions. [2021-10-11 00:31:24,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:31:24,879 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 00:31:24,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:24,882 INFO L225 Difference]: With dead ends: 109 [2021-10-11 00:31:24,882 INFO L226 Difference]: Without dead ends: 68 [2021-10-11 00:31:24,886 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 00:31:24,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2021-10-11 00:31:24,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 66. [2021-10-11 00:31:24,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2021-10-11 00:31:24,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 93 transitions. [2021-10-11 00:31:24,903 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 93 transitions. Word has length 24 [2021-10-11 00:31:24,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:24,903 INFO L481 AbstractCegarLoop]: Abstraction has 66 states and 93 transitions. [2021-10-11 00:31:24,903 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:31:24,903 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2021-10-11 00:31:24,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-11 00:31:24,904 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:24,905 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:24,905 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:31:24,905 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:24,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:24,905 INFO L82 PathProgramCache]: Analyzing trace with hash -1619186466, now seen corresponding path program 1 times [2021-10-11 00:31:24,906 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:24,906 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698233078] [2021-10-11 00:31:24,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:24,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:25,013 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 00:31:25,013 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698233078] [2021-10-11 00:31:25,013 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:25,013 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:31:25,014 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118968921] [2021-10-11 00:31:25,014 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:31:25,015 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:25,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:31:25,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:31:25,016 INFO L87 Difference]: Start difference. First operand 66 states and 93 transitions. Second operand 5 states. [2021-10-11 00:31:25,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:25,106 INFO L93 Difference]: Finished difference Result 175 states and 245 transitions. [2021-10-11 00:31:25,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:31:25,106 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2021-10-11 00:31:25,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:25,107 INFO L225 Difference]: With dead ends: 175 [2021-10-11 00:31:25,108 INFO L226 Difference]: Without dead ends: 115 [2021-10-11 00:31:25,108 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 00:31:25,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2021-10-11 00:31:25,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 72. [2021-10-11 00:31:25,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2021-10-11 00:31:25,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 99 transitions. [2021-10-11 00:31:25,116 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 99 transitions. Word has length 30 [2021-10-11 00:31:25,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:25,117 INFO L481 AbstractCegarLoop]: Abstraction has 72 states and 99 transitions. [2021-10-11 00:31:25,117 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:31:25,117 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2021-10-11 00:31:25,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-11 00:31:25,118 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:25,118 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:25,118 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:31:25,118 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:25,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:25,119 INFO L82 PathProgramCache]: Analyzing trace with hash 1043324577, now seen corresponding path program 1 times [2021-10-11 00:31:25,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:25,119 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804661887] [2021-10-11 00:31:25,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:25,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:25,169 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 00:31:25,169 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804661887] [2021-10-11 00:31:25,169 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:25,169 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:31:25,169 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521390832] [2021-10-11 00:31:25,170 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:31:25,170 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:25,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:31:25,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:31:25,171 INFO L87 Difference]: Start difference. First operand 72 states and 99 transitions. Second operand 5 states. [2021-10-11 00:31:25,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:25,262 INFO L93 Difference]: Finished difference Result 253 states and 355 transitions. [2021-10-11 00:31:25,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:31:25,262 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2021-10-11 00:31:25,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:25,264 INFO L225 Difference]: With dead ends: 253 [2021-10-11 00:31:25,264 INFO L226 Difference]: Without dead ends: 187 [2021-10-11 00:31:25,265 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-11 00:31:25,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2021-10-11 00:31:25,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 115. [2021-10-11 00:31:25,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2021-10-11 00:31:25,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 155 transitions. [2021-10-11 00:31:25,277 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 155 transitions. Word has length 30 [2021-10-11 00:31:25,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:25,278 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 155 transitions. [2021-10-11 00:31:25,278 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:31:25,278 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 155 transitions. [2021-10-11 00:31:25,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-11 00:31:25,279 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:25,279 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] [2021-10-11 00:31:25,279 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-11 00:31:25,280 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:25,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:25,280 INFO L82 PathProgramCache]: Analyzing trace with hash -964491617, now seen corresponding path program 1 times [2021-10-11 00:31:25,280 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:25,281 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136583310] [2021-10-11 00:31:25,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:25,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:25,323 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 00:31:25,324 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136583310] [2021-10-11 00:31:25,324 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:25,324 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:31:25,324 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101508515] [2021-10-11 00:31:25,325 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:31:25,325 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:25,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:31:25,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:31:25,326 INFO L87 Difference]: Start difference. First operand 115 states and 155 transitions. Second operand 4 states. [2021-10-11 00:31:25,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:25,425 INFO L93 Difference]: Finished difference Result 238 states and 327 transitions. [2021-10-11 00:31:25,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:31:25,425 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2021-10-11 00:31:25,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:25,428 INFO L225 Difference]: With dead ends: 238 [2021-10-11 00:31:25,428 INFO L226 Difference]: Without dead ends: 172 [2021-10-11 00:31:25,429 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:31:25,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2021-10-11 00:31:25,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 169. [2021-10-11 00:31:25,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2021-10-11 00:31:25,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 228 transitions. [2021-10-11 00:31:25,452 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 228 transitions. Word has length 31 [2021-10-11 00:31:25,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:25,452 INFO L481 AbstractCegarLoop]: Abstraction has 169 states and 228 transitions. [2021-10-11 00:31:25,452 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:31:25,453 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 228 transitions. [2021-10-11 00:31:25,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-11 00:31:25,458 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:25,458 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] [2021-10-11 00:31:25,458 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-11 00:31:25,459 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:25,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:25,459 INFO L82 PathProgramCache]: Analyzing trace with hash -706326179, now seen corresponding path program 1 times [2021-10-11 00:31:25,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:25,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49292510] [2021-10-11 00:31:25,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:25,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:25,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:25,529 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49292510] [2021-10-11 00:31:25,529 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:25,529 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:31:25,530 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168766313] [2021-10-11 00:31:25,530 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:31:25,530 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:25,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:31:25,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:31:25,532 INFO L87 Difference]: Start difference. First operand 169 states and 228 transitions. Second operand 4 states. [2021-10-11 00:31:25,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:25,584 INFO L93 Difference]: Finished difference Result 400 states and 551 transitions. [2021-10-11 00:31:25,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:31:25,584 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2021-10-11 00:31:25,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:25,586 INFO L225 Difference]: With dead ends: 400 [2021-10-11 00:31:25,586 INFO L226 Difference]: Without dead ends: 279 [2021-10-11 00:31:25,587 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 00:31:25,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2021-10-11 00:31:25,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 163. [2021-10-11 00:31:25,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2021-10-11 00:31:25,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 220 transitions. [2021-10-11 00:31:25,605 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 220 transitions. Word has length 31 [2021-10-11 00:31:25,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:25,606 INFO L481 AbstractCegarLoop]: Abstraction has 163 states and 220 transitions. [2021-10-11 00:31:25,606 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:31:25,606 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 220 transitions. [2021-10-11 00:31:25,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-11 00:31:25,609 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:25,609 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] [2021-10-11 00:31:25,609 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-11 00:31:25,610 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:25,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:25,611 INFO L82 PathProgramCache]: Analyzing trace with hash 533103064, now seen corresponding path program 1 times [2021-10-11 00:31:25,611 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:25,612 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062053728] [2021-10-11 00:31:25,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:25,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:25,689 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 00:31:25,689 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062053728] [2021-10-11 00:31:25,693 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:25,693 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:31:25,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771219761] [2021-10-11 00:31:25,694 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:31:25,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:25,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:31:25,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:31:25,696 INFO L87 Difference]: Start difference. First operand 163 states and 220 transitions. Second operand 5 states. [2021-10-11 00:31:25,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:25,851 INFO L93 Difference]: Finished difference Result 353 states and 482 transitions. [2021-10-11 00:31:25,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:31:25,852 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2021-10-11 00:31:25,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:25,854 INFO L225 Difference]: With dead ends: 353 [2021-10-11 00:31:25,854 INFO L226 Difference]: Without dead ends: 238 [2021-10-11 00:31:25,855 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-11 00:31:25,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2021-10-11 00:31:25,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 159. [2021-10-11 00:31:25,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2021-10-11 00:31:25,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 212 transitions. [2021-10-11 00:31:25,868 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 212 transitions. Word has length 31 [2021-10-11 00:31:25,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:25,868 INFO L481 AbstractCegarLoop]: Abstraction has 159 states and 212 transitions. [2021-10-11 00:31:25,869 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:31:25,869 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 212 transitions. [2021-10-11 00:31:25,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-10-11 00:31:25,872 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:25,872 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:25,872 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-11 00:31:25,873 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:25,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:25,873 INFO L82 PathProgramCache]: Analyzing trace with hash -1625643979, now seen corresponding path program 1 times [2021-10-11 00:31:25,873 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:25,873 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798286602] [2021-10-11 00:31:25,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:25,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:25,953 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-11 00:31:25,953 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798286602] [2021-10-11 00:31:25,953 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:25,953 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:31:25,953 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024330686] [2021-10-11 00:31:25,955 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:31:25,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:25,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:31:25,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:31:25,957 INFO L87 Difference]: Start difference. First operand 159 states and 212 transitions. Second operand 4 states. [2021-10-11 00:31:25,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:26,003 INFO L93 Difference]: Finished difference Result 335 states and 448 transitions. [2021-10-11 00:31:26,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:31:26,004 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 50 [2021-10-11 00:31:26,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:26,007 INFO L225 Difference]: With dead ends: 335 [2021-10-11 00:31:26,007 INFO L226 Difference]: Without dead ends: 182 [2021-10-11 00:31:26,008 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 00:31:26,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2021-10-11 00:31:26,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 135. [2021-10-11 00:31:26,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2021-10-11 00:31:26,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 176 transitions. [2021-10-11 00:31:26,021 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 176 transitions. Word has length 50 [2021-10-11 00:31:26,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:26,021 INFO L481 AbstractCegarLoop]: Abstraction has 135 states and 176 transitions. [2021-10-11 00:31:26,022 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:31:26,022 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 176 transitions. [2021-10-11 00:31:26,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-11 00:31:26,022 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:26,023 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:26,023 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-11 00:31:26,023 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:26,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:26,024 INFO L82 PathProgramCache]: Analyzing trace with hash -1653055247, now seen corresponding path program 1 times [2021-10-11 00:31:26,024 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:26,024 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037557253] [2021-10-11 00:31:26,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:26,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:26,092 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-11 00:31:26,092 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037557253] [2021-10-11 00:31:26,092 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:26,093 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:31:26,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814894089] [2021-10-11 00:31:26,093 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:31:26,093 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:26,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:31:26,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:31:26,096 INFO L87 Difference]: Start difference. First operand 135 states and 176 transitions. Second operand 5 states. [2021-10-11 00:31:26,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:26,192 INFO L93 Difference]: Finished difference Result 449 states and 597 transitions. [2021-10-11 00:31:26,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:31:26,193 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2021-10-11 00:31:26,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:26,195 INFO L225 Difference]: With dead ends: 449 [2021-10-11 00:31:26,196 INFO L226 Difference]: Without dead ends: 344 [2021-10-11 00:31:26,196 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 00:31:26,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2021-10-11 00:31:26,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 138. [2021-10-11 00:31:26,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2021-10-11 00:31:26,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 179 transitions. [2021-10-11 00:31:26,215 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 179 transitions. Word has length 51 [2021-10-11 00:31:26,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:26,215 INFO L481 AbstractCegarLoop]: Abstraction has 138 states and 179 transitions. [2021-10-11 00:31:26,215 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:31:26,215 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 179 transitions. [2021-10-11 00:31:26,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-11 00:31:26,216 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:26,216 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:26,217 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-11 00:31:26,217 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:26,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:26,218 INFO L82 PathProgramCache]: Analyzing trace with hash -2046082257, now seen corresponding path program 1 times [2021-10-11 00:31:26,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:26,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039919598] [2021-10-11 00:31:26,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:26,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:26,279 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-11 00:31:26,279 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039919598] [2021-10-11 00:31:26,279 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:26,280 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:31:26,280 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031030987] [2021-10-11 00:31:26,280 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:31:26,280 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:26,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:31:26,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:31:26,281 INFO L87 Difference]: Start difference. First operand 138 states and 179 transitions. Second operand 5 states. [2021-10-11 00:31:26,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:26,419 INFO L93 Difference]: Finished difference Result 347 states and 455 transitions. [2021-10-11 00:31:26,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 00:31:26,419 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2021-10-11 00:31:26,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:26,421 INFO L225 Difference]: With dead ends: 347 [2021-10-11 00:31:26,422 INFO L226 Difference]: Without dead ends: 345 [2021-10-11 00:31:26,422 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 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 00:31:26,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2021-10-11 00:31:26,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 138. [2021-10-11 00:31:26,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2021-10-11 00:31:26,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 178 transitions. [2021-10-11 00:31:26,439 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 178 transitions. Word has length 51 [2021-10-11 00:31:26,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:26,439 INFO L481 AbstractCegarLoop]: Abstraction has 138 states and 178 transitions. [2021-10-11 00:31:26,439 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:31:26,439 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 178 transitions. [2021-10-11 00:31:26,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-10-11 00:31:26,440 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:26,440 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:31:26,440 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-11 00:31:26,441 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:26,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:26,441 INFO L82 PathProgramCache]: Analyzing trace with hash 772811102, now seen corresponding path program 1 times [2021-10-11 00:31:26,441 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:26,442 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826578184] [2021-10-11 00:31:26,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:26,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:26,506 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:26,507 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826578184] [2021-10-11 00:31:26,507 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1031377603] [2021-10-11 00:31:26,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3611bdb-124d-4c0a-a4ec-291fda4d1a1e/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 00:31:26,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:26,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-11 00:31:26,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:31:26,828 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:31:26,829 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-11 00:31:26,829 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2021-10-11 00:31:26,829 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188382894] [2021-10-11 00:31:26,829 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 00:31:26,830 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:26,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 00:31:26,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:31:26,831 INFO L87 Difference]: Start difference. First operand 138 states and 178 transitions. Second operand 6 states. [2021-10-11 00:31:27,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:27,050 INFO L93 Difference]: Finished difference Result 427 states and 563 transitions. [2021-10-11 00:31:27,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 00:31:27,050 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 52 [2021-10-11 00:31:27,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:27,052 INFO L225 Difference]: With dead ends: 427 [2021-10-11 00:31:27,053 INFO L226 Difference]: Without dead ends: 319 [2021-10-11 00:31:27,053 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2021-10-11 00:31:27,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2021-10-11 00:31:27,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 195. [2021-10-11 00:31:27,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2021-10-11 00:31:27,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 254 transitions. [2021-10-11 00:31:27,077 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 254 transitions. Word has length 52 [2021-10-11 00:31:27,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:27,078 INFO L481 AbstractCegarLoop]: Abstraction has 195 states and 254 transitions. [2021-10-11 00:31:27,078 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 00:31:27,078 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 254 transitions. [2021-10-11 00:31:27,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-10-11 00:31:27,079 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:27,079 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-11 00:31:27,307 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-10-11 00:31:27,307 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:27,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:27,308 INFO L82 PathProgramCache]: Analyzing trace with hash -1104899688, now seen corresponding path program 2 times [2021-10-11 00:31:27,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:27,308 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040003347] [2021-10-11 00:31:27,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:27,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:27,441 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-11 00:31:27,441 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040003347] [2021-10-11 00:31:27,442 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:27,442 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:31:27,442 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261942578] [2021-10-11 00:31:27,443 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:31:27,443 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:27,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:31:27,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:31:27,444 INFO L87 Difference]: Start difference. First operand 195 states and 254 transitions. Second operand 5 states. [2021-10-11 00:31:27,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:27,763 INFO L93 Difference]: Finished difference Result 569 states and 755 transitions. [2021-10-11 00:31:27,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:31:27,764 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 73 [2021-10-11 00:31:27,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:27,766 INFO L225 Difference]: With dead ends: 569 [2021-10-11 00:31:27,767 INFO L226 Difference]: Without dead ends: 403 [2021-10-11 00:31:27,767 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:31:27,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2021-10-11 00:31:27,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 268. [2021-10-11 00:31:27,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2021-10-11 00:31:27,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 347 transitions. [2021-10-11 00:31:27,802 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 347 transitions. Word has length 73 [2021-10-11 00:31:27,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:27,802 INFO L481 AbstractCegarLoop]: Abstraction has 268 states and 347 transitions. [2021-10-11 00:31:27,803 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:31:27,803 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 347 transitions. [2021-10-11 00:31:27,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-10-11 00:31:27,804 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:31:27,804 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-11 00:31:27,804 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-11 00:31:27,805 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:31:27,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:31:27,805 INFO L82 PathProgramCache]: Analyzing trace with hash -830140074, now seen corresponding path program 1 times [2021-10-11 00:31:27,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:31:27,806 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274486717] [2021-10-11 00:31:27,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:31:27,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:31:27,896 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-11 00:31:27,896 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274486717] [2021-10-11 00:31:27,897 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:31:27,897 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-11 00:31:27,899 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650998395] [2021-10-11 00:31:27,899 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-10-11 00:31:27,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:31:27,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-11 00:31:27,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:31:27,901 INFO L87 Difference]: Start difference. First operand 268 states and 347 transitions. Second operand 7 states. [2021-10-11 00:31:27,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:31:27,995 INFO L93 Difference]: Finished difference Result 471 states and 609 transitions. [2021-10-11 00:31:27,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 00:31:27,995 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 73 [2021-10-11 00:31:27,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:31:27,996 INFO L225 Difference]: With dead ends: 471 [2021-10-11 00:31:27,996 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:31:27,998 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-10-11 00:31:27,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:31:27,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:31:27,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:31:27,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:31:27,999 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2021-10-11 00:31:28,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:31:28,000 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:31:28,000 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-10-11 00:31:28,000 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:31:28,000 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:31:28,000 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-11 00:31:28,002 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:31:28,130 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 66 [2021-10-11 00:31:28,409 WARN L197 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2021-10-11 00:31:28,622 WARN L197 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 122 [2021-10-11 00:31:28,822 WARN L197 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2021-10-11 00:31:29,217 WARN L197 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2021-10-11 00:31:29,375 WARN L197 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 123 [2021-10-11 00:31:29,510 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 29 [2021-10-11 00:31:29,962 WARN L197 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 26 [2021-10-11 00:31:30,464 WARN L197 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 31 [2021-10-11 00:31:30,947 WARN L197 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 26 [2021-10-11 00:31:31,217 WARN L197 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 27 [2021-10-11 00:31:31,368 WARN L197 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 32 [2021-10-11 00:31:31,595 WARN L197 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 35 [2021-10-11 00:31:31,967 WARN L197 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 26 [2021-10-11 00:31:32,243 WARN L197 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 29 [2021-10-11 00:31:32,280 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 545) no Hoare annotation was computed. [2021-10-11 00:31:32,280 INFO L262 CegarLoopResult]: For program point L863(lines 863 867) no Hoare annotation was computed. [2021-10-11 00:31:32,281 INFO L262 CegarLoopResult]: For program point L863-2(lines 863 867) no Hoare annotation was computed. [2021-10-11 00:31:32,281 INFO L262 CegarLoopResult]: For program point L863-3(lines 863 867) no Hoare annotation was computed. [2021-10-11 00:31:32,281 INFO L262 CegarLoopResult]: For program point L863-5(lines 863 867) no Hoare annotation was computed. [2021-10-11 00:31:32,281 INFO L258 CegarLoopResult]: At program point L665(lines 660 668) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= ULTIMATE.start_main_~tmp~4 1))) (or (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0 (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (<= 2 ~waterLevel~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) .cse1 .cse2 .cse3) (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) (<= 1 |ULTIMATE.start_getWaterLevel_#res|) .cse2 .cse3))) [2021-10-11 00:31:32,282 INFO L262 CegarLoopResult]: For program point L863-6(lines 863 867) no Hoare annotation was computed. [2021-10-11 00:31:32,282 INFO L258 CegarLoopResult]: At program point L665-1(lines 660 668) the Hoare annotation is: false [2021-10-11 00:31:32,282 INFO L262 CegarLoopResult]: For program point L863-8(lines 863 867) no Hoare annotation was computed. [2021-10-11 00:31:32,282 INFO L258 CegarLoopResult]: At program point L665-2(lines 660 668) the Hoare annotation is: false [2021-10-11 00:31:32,282 INFO L262 CegarLoopResult]: For program point L863-9(lines 863 867) no Hoare annotation was computed. [2021-10-11 00:31:32,282 INFO L258 CegarLoopResult]: At program point L500(lines 496 502) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~4 1)) [2021-10-11 00:31:32,282 INFO L262 CegarLoopResult]: For program point L863-11(lines 863 867) no Hoare annotation was computed. [2021-10-11 00:31:32,283 INFO L262 CegarLoopResult]: For program point L863-12(lines 863 867) no Hoare annotation was computed. [2021-10-11 00:31:32,283 INFO L262 CegarLoopResult]: For program point L863-14(lines 863 867) no Hoare annotation was computed. [2021-10-11 00:31:32,283 INFO L262 CegarLoopResult]: For program point L863-15(lines 863 867) no Hoare annotation was computed. [2021-10-11 00:31:32,283 INFO L262 CegarLoopResult]: For program point L863-17(lines 863 867) no Hoare annotation was computed. [2021-10-11 00:31:32,283 INFO L262 CegarLoopResult]: For program point L765(lines 765 773) no Hoare annotation was computed. [2021-10-11 00:31:32,283 INFO L262 CegarLoopResult]: For program point L765-1(lines 765 773) no Hoare annotation was computed. [2021-10-11 00:31:32,283 INFO L262 CegarLoopResult]: For program point L765-2(lines 765 773) no Hoare annotation was computed. [2021-10-11 00:31:32,284 INFO L262 CegarLoopResult]: For program point L931(lines 931 937) no Hoare annotation was computed. [2021-10-11 00:31:32,284 INFO L258 CegarLoopResult]: At program point L931-1(lines 931 937) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= ULTIMATE.start_main_~tmp~4 1))) (or (and .cse0 (<= 2 ~waterLevel~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) .cse1 .cse2 .cse3) (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) .cse2 .cse3))) [2021-10-11 00:31:32,284 INFO L265 CegarLoopResult]: At program point L536(lines 517 539) the Hoare annotation is: true [2021-10-11 00:31:32,284 INFO L262 CegarLoopResult]: For program point L735(lines 735 752) no Hoare annotation was computed. [2021-10-11 00:31:32,284 INFO L262 CegarLoopResult]: For program point L735-1(lines 735 752) no Hoare annotation was computed. [2021-10-11 00:31:32,284 INFO L262 CegarLoopResult]: For program point L735-2(lines 735 752) no Hoare annotation was computed. [2021-10-11 00:31:32,285 INFO L262 CegarLoopResult]: For program point L735-3(lines 735 752) no Hoare annotation was computed. [2021-10-11 00:31:32,285 INFO L262 CegarLoopResult]: For program point L735-4(lines 735 752) no Hoare annotation was computed. [2021-10-11 00:31:32,285 INFO L262 CegarLoopResult]: For program point L735-5(lines 735 752) no Hoare annotation was computed. [2021-10-11 00:31:32,285 INFO L258 CegarLoopResult]: At program point L703(lines 702 721) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (= ULTIMATE.start_main_~tmp~4 1))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4) (and .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) .cse2 (<= 1 ~waterLevel~0) .cse3 .cse4) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2 .cse3 .cse4))) [2021-10-11 00:31:32,285 INFO L262 CegarLoopResult]: For program point L703-1(lines 703 709) no Hoare annotation was computed. [2021-10-11 00:31:32,285 INFO L258 CegarLoopResult]: At program point L703-2(lines 702 721) the Hoare annotation is: false [2021-10-11 00:31:32,286 INFO L258 CegarLoopResult]: At program point L703-3(lines 702 721) the Hoare annotation is: false [2021-10-11 00:31:32,286 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 545) no Hoare annotation was computed. [2021-10-11 00:31:32,286 INFO L258 CegarLoopResult]: At program point L869(lines 854 872) the Hoare annotation is: false [2021-10-11 00:31:32,286 INFO L258 CegarLoopResult]: At program point L869-1(lines 854 872) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (= ULTIMATE.start_main_~tmp~4 1))) (or (and (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 1) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse3 .cse4) (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0 (<= 2 ~waterLevel~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) .cse1 .cse2 .cse3 .cse4))) [2021-10-11 00:31:32,286 INFO L258 CegarLoopResult]: At program point L869-2(lines 854 872) the Hoare annotation is: false [2021-10-11 00:31:32,286 INFO L258 CegarLoopResult]: At program point L869-3(lines 854 872) the Hoare annotation is: false [2021-10-11 00:31:32,287 INFO L258 CegarLoopResult]: At program point L869-4(lines 854 872) the Hoare annotation is: false [2021-10-11 00:31:32,287 INFO L258 CegarLoopResult]: At program point L869-5(lines 854 872) the Hoare annotation is: false [2021-10-11 00:31:32,287 INFO L258 CegarLoopResult]: At program point L572(lines 1 966) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2021-10-11 00:31:32,287 INFO L262 CegarLoopResult]: For program point L739(lines 739 747) no Hoare annotation was computed. [2021-10-11 00:31:32,287 INFO L262 CegarLoopResult]: For program point L739-1(lines 739 747) no Hoare annotation was computed. [2021-10-11 00:31:32,287 INFO L262 CegarLoopResult]: For program point L673(lines 673 679) no Hoare annotation was computed. [2021-10-11 00:31:32,287 INFO L262 CegarLoopResult]: For program point L739-2(lines 739 747) no Hoare annotation was computed. [2021-10-11 00:31:32,288 INFO L262 CegarLoopResult]: For program point L673-1(lines 673 679) no Hoare annotation was computed. [2021-10-11 00:31:32,288 INFO L262 CegarLoopResult]: For program point L739-3(lines 739 747) no Hoare annotation was computed. [2021-10-11 00:31:32,288 INFO L262 CegarLoopResult]: For program point L673-2(lines 673 679) no Hoare annotation was computed. [2021-10-11 00:31:32,288 INFO L262 CegarLoopResult]: For program point L739-4(lines 739 747) no Hoare annotation was computed. [2021-10-11 00:31:32,288 INFO L262 CegarLoopResult]: For program point L673-3(lines 673 679) no Hoare annotation was computed. [2021-10-11 00:31:32,288 INFO L262 CegarLoopResult]: For program point L739-5(lines 739 747) no Hoare annotation was computed. [2021-10-11 00:31:32,288 INFO L262 CegarLoopResult]: For program point L673-4(lines 673 679) no Hoare annotation was computed. [2021-10-11 00:31:32,289 INFO L262 CegarLoopResult]: For program point L673-5(lines 673 679) no Hoare annotation was computed. [2021-10-11 00:31:32,289 INFO L262 CegarLoopResult]: For program point L608(lines 608 612) no Hoare annotation was computed. [2021-10-11 00:31:32,289 INFO L262 CegarLoopResult]: For program point L941(lines 941 954) no Hoare annotation was computed. [2021-10-11 00:31:32,289 INFO L258 CegarLoopResult]: At program point L710(lines 710 716) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= ULTIMATE.start_main_~tmp~4 1))) (or (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0 (<= 2 ~waterLevel~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) .cse1 .cse2 .cse3) (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) .cse2 .cse3))) [2021-10-11 00:31:32,289 INFO L258 CegarLoopResult]: At program point L710-1(lines 710 716) the Hoare annotation is: false [2021-10-11 00:31:32,290 INFO L258 CegarLoopResult]: At program point L710-2(lines 710 716) the Hoare annotation is: false [2021-10-11 00:31:32,290 INFO L262 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2021-10-11 00:31:32,290 INFO L262 CegarLoopResult]: For program point L545-1(line 545) no Hoare annotation was computed. [2021-10-11 00:31:32,290 INFO L262 CegarLoopResult]: For program point L545-2(line 545) no Hoare annotation was computed. [2021-10-11 00:31:32,290 INFO L258 CegarLoopResult]: At program point L678(lines 669 682) the Hoare annotation is: false [2021-10-11 00:31:32,290 INFO L258 CegarLoopResult]: At program point L678-1(lines 669 682) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (= ULTIMATE.start_main_~tmp~4 1))) (or (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse3 .cse4))) [2021-10-11 00:31:32,290 INFO L258 CegarLoopResult]: At program point L678-2(lines 669 682) the Hoare annotation is: false [2021-10-11 00:31:32,291 INFO L258 CegarLoopResult]: At program point L678-3(lines 669 682) the Hoare annotation is: false [2021-10-11 00:31:32,291 INFO L258 CegarLoopResult]: At program point L678-4(lines 669 682) the Hoare annotation is: false [2021-10-11 00:31:32,291 INFO L258 CegarLoopResult]: At program point L678-5(lines 669 682) the Hoare annotation is: false [2021-10-11 00:31:32,291 INFO L258 CegarLoopResult]: At program point L580(lines 575 583) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-10-11 00:31:32,291 INFO L258 CegarLoopResult]: At program point L449-2(lines 449 463) the Hoare annotation is: false [2021-10-11 00:31:32,291 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:31:32,292 INFO L262 CegarLoopResult]: For program point L912(lines 911 958) no Hoare annotation was computed. [2021-10-11 00:31:32,292 INFO L262 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2021-10-11 00:31:32,292 INFO L262 CegarLoopResult]: For program point L913(lines 913 917) no Hoare annotation was computed. [2021-10-11 00:31:32,292 INFO L258 CegarLoopResult]: At program point L814(lines 809 817) the Hoare annotation is: false [2021-10-11 00:31:32,292 INFO L258 CegarLoopResult]: At program point L814-1(lines 809 817) the Hoare annotation is: false [2021-10-11 00:31:32,292 INFO L258 CegarLoopResult]: At program point L814-2(lines 809 817) the Hoare annotation is: false [2021-10-11 00:31:32,292 INFO L262 CegarLoopResult]: For program point L419(lines 419 432) no Hoare annotation was computed. [2021-10-11 00:31:32,293 INFO L258 CegarLoopResult]: At program point L419-1(lines 1 966) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (= ULTIMATE.start_main_~tmp~4 1))) (or (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3) .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) (<= 1 |ULTIMATE.start_getWaterLevel_#res|) .cse3 .cse4) (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0 (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) .cse2 (<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3) .cse3 .cse4) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2 .cse3 .cse4))) [2021-10-11 00:31:32,293 INFO L262 CegarLoopResult]: For program point L419-2(lines 419 432) no Hoare annotation was computed. [2021-10-11 00:31:32,293 INFO L258 CegarLoopResult]: At program point L419-3(lines 1 966) the Hoare annotation is: false [2021-10-11 00:31:32,293 INFO L262 CegarLoopResult]: For program point L419-4(lines 419 432) no Hoare annotation was computed. [2021-10-11 00:31:32,293 INFO L258 CegarLoopResult]: At program point L419-5(lines 1 966) the Hoare annotation is: false [2021-10-11 00:31:32,293 INFO L262 CegarLoopResult]: For program point L882(lines 882 886) no Hoare annotation was computed. [2021-10-11 00:31:32,294 INFO L262 CegarLoopResult]: For program point L882-2(lines 882 886) no Hoare annotation was computed. [2021-10-11 00:31:32,294 INFO L262 CegarLoopResult]: For program point L882-3(lines 882 886) no Hoare annotation was computed. [2021-10-11 00:31:32,294 INFO L262 CegarLoopResult]: For program point L882-5(lines 882 886) no Hoare annotation was computed. [2021-10-11 00:31:32,294 INFO L262 CegarLoopResult]: For program point L882-6(lines 882 886) no Hoare annotation was computed. [2021-10-11 00:31:32,294 INFO L262 CegarLoopResult]: For program point L882-8(lines 882 886) no Hoare annotation was computed. [2021-10-11 00:31:32,294 INFO L262 CegarLoopResult]: For program point L453(lines 453 457) no Hoare annotation was computed. [2021-10-11 00:31:32,294 INFO L262 CegarLoopResult]: For program point L453-1(lines 703 709) no Hoare annotation was computed. [2021-10-11 00:31:32,294 INFO L262 CegarLoopResult]: For program point L949(lines 949 953) no Hoare annotation was computed. [2021-10-11 00:31:32,295 INFO L258 CegarLoopResult]: At program point L949-2(lines 703 709) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= ULTIMATE.start_main_~tmp~4 1))) (or (and .cse0 (<= 2 ~waterLevel~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) .cse1 .cse2 .cse3) (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) .cse2 .cse3))) [2021-10-11 00:31:32,295 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:31:32,295 INFO L262 CegarLoopResult]: For program point L620(lines 620 624) no Hoare annotation was computed. [2021-10-11 00:31:32,295 INFO L262 CegarLoopResult]: For program point L423(lines 423 429) no Hoare annotation was computed. [2021-10-11 00:31:32,295 INFO L262 CegarLoopResult]: For program point L423-2(lines 423 429) no Hoare annotation was computed. [2021-10-11 00:31:32,295 INFO L262 CegarLoopResult]: For program point L423-4(lines 423 429) no Hoare annotation was computed. [2021-10-11 00:31:32,296 INFO L258 CegarLoopResult]: At program point L688(lines 683 691) the Hoare annotation is: (and (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~4 1)) [2021-10-11 00:31:32,296 INFO L258 CegarLoopResult]: At program point L688-1(lines 683 691) the Hoare annotation is: false [2021-10-11 00:31:32,296 INFO L258 CegarLoopResult]: At program point L688-2(lines 683 691) the Hoare annotation is: false [2021-10-11 00:31:32,296 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:31:32,296 INFO L262 CegarLoopResult]: For program point L921(lines 921 927) no Hoare annotation was computed. [2021-10-11 00:31:32,297 INFO L258 CegarLoopResult]: At program point L921-1(lines 921 927) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= ULTIMATE.start_main_~tmp~4 1))) (or (and .cse0 (<= 2 ~waterLevel~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) .cse1 .cse2 .cse3) (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) .cse2 .cse3))) [2021-10-11 00:31:32,297 INFO L258 CegarLoopResult]: At program point L888(lines 873 891) the Hoare annotation is: (and (not (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 0)) (not (= |ULTIMATE.start_isLowWaterLevel_#res| 0)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= ULTIMATE.start_isLowWaterLevel_~tmp~8 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~4 1)) [2021-10-11 00:31:32,297 INFO L258 CegarLoopResult]: At program point L888-1(lines 873 891) the Hoare annotation is: false [2021-10-11 00:31:32,297 INFO L258 CegarLoopResult]: At program point L888-2(lines 873 891) the Hoare annotation is: false [2021-10-11 00:31:32,297 INFO L262 CegarLoopResult]: For program point L527(lines 527 534) no Hoare annotation was computed. [2021-10-11 00:31:32,297 INFO L265 CegarLoopResult]: At program point L527-1(lines 527 534) the Hoare annotation is: true [2021-10-11 00:31:32,298 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:31:32,298 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 545) no Hoare annotation was computed. [2021-10-11 00:31:32,298 INFO L258 CegarLoopResult]: At program point L959(lines 910 960) the Hoare annotation is: false [2021-10-11 00:31:32,298 INFO L262 CegarLoopResult]: For program point L761(lines 761 778) no Hoare annotation was computed. [2021-10-11 00:31:32,298 INFO L262 CegarLoopResult]: For program point L761-1(lines 761 778) no Hoare annotation was computed. [2021-10-11 00:31:32,298 INFO L262 CegarLoopResult]: For program point L761-2(lines 761 778) no Hoare annotation was computed. [2021-10-11 00:31:32,298 INFO L262 CegarLoopResult]: For program point L596(lines 596 600) no Hoare annotation was computed. [2021-10-11 00:31:32,299 INFO L262 CegarLoopResult]: For program point L596-3(lines 596 600) no Hoare annotation was computed. [2021-10-11 00:31:32,299 INFO L262 CegarLoopResult]: For program point L596-6(lines 596 600) no Hoare annotation was computed. [2021-10-11 00:31:32,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:31:32 BoogieIcfgContainer [2021-10-11 00:31:32,332 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:31:32,332 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:31:32,333 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:31:32,333 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:31:32,333 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:31:23" (3/4) ... [2021-10-11 00:31:32,337 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:31:32,356 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 00:31:32,357 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 00:31:32,358 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 00:31:32,359 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 00:31:32,360 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 00:31:32,361 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:31:32,363 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:31:32,388 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2021-10-11 00:31:32,388 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && tmp == 1 [2021-10-11 00:31:32,388 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= tmp && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && \result == 1) && tmp == 1) || ((((((((\result == 0 && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && tmp == 0) && splverifierCounter == 0) && 2 <= tmp) && \result == 1) && tmp == 1)) || (((((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) [2021-10-11 00:31:32,389 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1) [2021-10-11 00:31:32,389 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1) [2021-10-11 00:31:32,390 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1) [2021-10-11 00:31:32,390 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || (((((!(0 == systemActive) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1)) || (((((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) [2021-10-11 00:31:32,391 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 0 && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1) [2021-10-11 00:31:32,392 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 0 && !(0 == systemActive)) && 2 <= \result) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || ((((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && \result == 1) && tmp == 1) [2021-10-11 00:31:32,393 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 0 && !(0 == systemActive)) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1 [2021-10-11 00:31:32,393 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 0 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || ((((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && \result == 1) && tmp == 1) [2021-10-11 00:31:32,394 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(tmp___0 == 0) && !(\result == 0)) && \result == 0) && !(0 == systemActive)) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 0) && \result == 1) && tmp == 1 [2021-10-11 00:31:32,395 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp___0 == 0 && tmp == 1) && \result == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && \result == 1) && tmp == 1) || (((((((\result == 0 && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) [2021-10-11 00:31:32,484 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3611bdb-124d-4c0a-a4ec-291fda4d1a1e/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:31:32,484 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:31:32,485 INFO L168 Benchmark]: Toolchain (without parser) took 10278.27 ms. Allocated memory was 113.2 MB in the beginning and 247.5 MB in the end (delta: 134.2 MB). Free memory was 81.5 MB in the beginning and 109.1 MB in the end (delta: -27.6 MB). Peak memory consumption was 106.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:32,486 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 83.9 MB. Free memory is still 45.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:31:32,486 INFO L168 Benchmark]: CACSL2BoogieTranslator took 488.40 ms. Allocated memory is still 113.2 MB. Free memory was 81.3 MB in the beginning and 78.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:32,486 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.49 ms. Allocated memory is still 113.2 MB. Free memory was 78.3 MB in the beginning and 74.6 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:32,487 INFO L168 Benchmark]: Boogie Preprocessor took 45.18 ms. Allocated memory is still 113.2 MB. Free memory was 74.6 MB in the beginning and 72.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:32,487 INFO L168 Benchmark]: RCFGBuilder took 959.51 ms. Allocated memory was 113.2 MB in the beginning and 138.4 MB in the end (delta: 25.2 MB). Free memory was 72.1 MB in the beginning and 110.4 MB in the end (delta: -38.3 MB). Peak memory consumption was 33.9 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:32,488 INFO L168 Benchmark]: TraceAbstraction took 8529.52 ms. Allocated memory was 138.4 MB in the beginning and 247.5 MB in the end (delta: 109.1 MB). Free memory was 110.4 MB in the beginning and 119.6 MB in the end (delta: -9.2 MB). Peak memory consumption was 142.9 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:32,488 INFO L168 Benchmark]: Witness Printer took 152.01 ms. Allocated memory is still 247.5 MB. Free memory was 119.6 MB in the beginning and 109.1 MB in the end (delta: 10.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:31:32,491 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 83.9 MB. Free memory is still 45.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 488.40 ms. Allocated memory is still 113.2 MB. Free memory was 81.3 MB in the beginning and 78.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 96.49 ms. Allocated memory is still 113.2 MB. Free memory was 78.3 MB in the beginning and 74.6 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 45.18 ms. Allocated memory is still 113.2 MB. Free memory was 74.6 MB in the beginning and 72.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 959.51 ms. Allocated memory was 113.2 MB in the beginning and 138.4 MB in the end (delta: 25.2 MB). Free memory was 72.1 MB in the beginning and 110.4 MB in the end (delta: -38.3 MB). Peak memory consumption was 33.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 8529.52 ms. Allocated memory was 138.4 MB in the beginning and 247.5 MB in the end (delta: 109.1 MB). Free memory was 110.4 MB in the beginning and 119.6 MB in the end (delta: -9.2 MB). Peak memory consumption was 142.9 MB. Max. memory is 16.1 GB. * Witness Printer took 152.01 ms. Allocated memory is still 247.5 MB. Free memory was 119.6 MB in the beginning and 109.1 MB in the end (delta: 10.5 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: 545]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 545]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 545]: 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: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: (((((((\result == 0 && !(0 == systemActive)) && 2 <= \result) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || ((((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && \result == 1) && tmp == 1) - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 921]: Loop Invariant Derived loop invariant: (((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1) - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: ((((((((!(tmp___0 == 0) && !(\result == 0)) && \result == 0) && !(0 == systemActive)) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 0) && \result == 1) && tmp == 1 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 910]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: ((((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || (((((!(0 == systemActive) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1)) || (((((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: (((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: ((((((\result == 0 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || ((((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && \result == 1) && tmp == 1) - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: (((((((((tmp___0 == 0 && tmp == 1) && \result == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && \result == 1) && tmp == 1) || (((((((\result == 0 && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) - InvariantResult [Line: 527]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 809]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 809]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 931]: Loop Invariant Derived loop invariant: (((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1) - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((1 <= tmp && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && \result == 1) && tmp == 1) || ((((((((\result == 0 && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && tmp == 0) && splverifierCounter == 0) && 2 <= tmp) && \result == 1) && tmp == 1)) || (((((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) - InvariantResult [Line: 809]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && tmp == 1 - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: ((((((\result == 0 && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1) - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: (((((\result == 0 && !(0 == systemActive)) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 117 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.1s, OverallIterations: 15, TraceHistogramMax: 3, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1545 SDtfs, 2165 SDslu, 2257 SDs, 0 SdLazy, 378 SolverSat, 69 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 165 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=268occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 15 MinimizatonAttempts, 1034 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 123 NumberOfFragments, 588 HoareAnnotationTreeSize, 43 FomulaSimplifications, 2569947 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 43 FomulaSimplificationsInter, 283289 FormulaSimplificationTreeSizeReductionInter, 2.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 634 NumberOfCodeBlocks, 634 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 618 ConstructedInterpolants, 0 QuantifiedInterpolants, 44442 SizeOfPredicates, 3 NumberOfNonLiveVariables, 425 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 162/168 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...