./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product60.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_18e891c5-cc12-4983-8cee-4329fa08b63b/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e891c5-cc12-4983-8cee-4329fa08b63b/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_18e891c5-cc12-4983-8cee-4329fa08b63b/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e891c5-cc12-4983-8cee-4329fa08b63b/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product60.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e891c5-cc12-4983-8cee-4329fa08b63b/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_18e891c5-cc12-4983-8cee-4329fa08b63b/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 cd72c57a95195c6db69021eb34c8125c134b3812 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 00:22:56,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:22:56,782 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:22:56,818 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:22:56,819 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:22:56,820 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:22:56,822 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:22:56,828 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:22:56,831 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:22:56,836 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:22:56,837 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:22:56,838 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:22:56,839 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:22:56,840 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:22:56,841 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:22:56,843 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:22:56,844 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:22:56,845 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:22:56,847 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:22:56,849 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:22:56,853 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:22:56,854 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:22:56,858 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:22:56,859 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:22:56,863 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:22:56,863 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:22:56,864 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:22:56,871 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:22:56,871 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:22:56,873 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:22:56,873 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:22:56,875 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:22:56,877 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:22:56,878 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:22:56,879 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:22:56,880 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:22:56,881 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:22:56,881 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:22:56,881 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:22:56,882 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:22:56,883 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:22:56,885 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e891c5-cc12-4983-8cee-4329fa08b63b/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:22:56,932 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:22:56,933 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:22:56,934 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:22:56,935 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:22:56,935 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:22:56,935 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:22:56,935 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:22:56,936 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:22:56,936 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:22:56,936 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:22:56,936 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:22:56,936 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:22:56,936 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:22:56,937 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:22:56,937 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:22:56,937 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:22:56,937 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:22:56,937 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:22:56,938 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:22:56,938 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:22:56,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:22:56,938 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:22:56,938 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:22:56,939 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:22:56,939 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:22:56,939 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:22:56,939 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:22:56,939 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:22:56,939 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_18e891c5-cc12-4983-8cee-4329fa08b63b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e891c5-cc12-4983-8cee-4329fa08b63b/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd72c57a95195c6db69021eb34c8125c134b3812 [2021-10-11 00:22:57,175 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:22:57,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:22:57,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:22:57,208 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:22:57,214 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:22:57,215 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e891c5-cc12-4983-8cee-4329fa08b63b/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/minepump_spec1_product60.cil.c [2021-10-11 00:22:57,300 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e891c5-cc12-4983-8cee-4329fa08b63b/bin/uautomizer-Z5i5R5N3CC/data/a297ee1c9/7f58ea7b69d545d2905112d41f2c31db/FLAG3126f683a [2021-10-11 00:22:57,848 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:22:57,849 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e891c5-cc12-4983-8cee-4329fa08b63b/sv-benchmarks/c/product-lines/minepump_spec1_product60.cil.c [2021-10-11 00:22:57,862 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e891c5-cc12-4983-8cee-4329fa08b63b/bin/uautomizer-Z5i5R5N3CC/data/a297ee1c9/7f58ea7b69d545d2905112d41f2c31db/FLAG3126f683a [2021-10-11 00:22:58,177 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e891c5-cc12-4983-8cee-4329fa08b63b/bin/uautomizer-Z5i5R5N3CC/data/a297ee1c9/7f58ea7b69d545d2905112d41f2c31db [2021-10-11 00:22:58,179 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:22:58,180 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:22:58,182 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:22:58,185 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:22:58,190 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:22:58,191 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:22:58" (1/1) ... [2021-10-11 00:22:58,193 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b72298a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:58, skipping insertion in model container [2021-10-11 00:22:58,193 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:22:58" (1/1) ... [2021-10-11 00:22:58,200 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:22:58,249 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:22:58,524 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_18e891c5-cc12-4983-8cee-4329fa08b63b/sv-benchmarks/c/product-lines/minepump_spec1_product60.cil.c[14245,14258] [2021-10-11 00:22:58,581 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:22:58,598 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:22:58,689 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_18e891c5-cc12-4983-8cee-4329fa08b63b/sv-benchmarks/c/product-lines/minepump_spec1_product60.cil.c[14245,14258] [2021-10-11 00:22:58,704 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:22:58,740 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:22:58,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:58 WrapperNode [2021-10-11 00:22:58,741 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:22:58,742 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:22:58,742 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:22:58,742 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:22:58,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:58" (1/1) ... [2021-10-11 00:22:58,767 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:58" (1/1) ... [2021-10-11 00:22:58,820 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:22:58,821 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:22:58,821 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:22:58,821 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:22:58,838 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:58" (1/1) ... [2021-10-11 00:22:58,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:58" (1/1) ... [2021-10-11 00:22:58,847 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:58" (1/1) ... [2021-10-11 00:22:58,853 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:58" (1/1) ... [2021-10-11 00:22:58,869 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:58" (1/1) ... [2021-10-11 00:22:58,902 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:58" (1/1) ... [2021-10-11 00:22:58,905 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:58" (1/1) ... [2021-10-11 00:22:58,910 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:22:58,911 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:22:58,911 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:22:58,912 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:22:58,913 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:58" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e891c5-cc12-4983-8cee-4329fa08b63b/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 00:22:59,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:22:59,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:22:59,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:22:59,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:22:59,992 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:22:59,992 INFO L299 CfgBuilder]: Removed 198 assume(true) statements. [2021-10-11 00:22:59,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:22:59 BoogieIcfgContainer [2021-10-11 00:22:59,994 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:22:59,996 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:22:59,996 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:23:00,000 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:23:00,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:22:58" (1/3) ... [2021-10-11 00:23:00,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3353e7df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:23:00, skipping insertion in model container [2021-10-11 00:23:00,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:22:58" (2/3) ... [2021-10-11 00:23:00,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3353e7df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:23:00, skipping insertion in model container [2021-10-11 00:23:00,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:22:59" (3/3) ... [2021-10-11 00:23:00,004 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product60.cil.c [2021-10-11 00:23:00,019 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:23:00,023 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 00:23:00,034 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 00:23:00,060 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:23:00,060 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:23:00,061 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:23:00,061 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:23:00,061 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:23:00,061 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:23:00,061 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:23:00,061 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:23:00,078 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states. [2021-10-11 00:23:00,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 00:23:00,084 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:23:00,085 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:23:00,086 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:23:00,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:23:00,091 INFO L82 PathProgramCache]: Analyzing trace with hash 1851082586, now seen corresponding path program 1 times [2021-10-11 00:23:00,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:23:00,100 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804219308] [2021-10-11 00:23:00,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:23:00,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:23:00,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:23:00,357 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804219308] [2021-10-11 00:23:00,358 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:23:00,358 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:23:00,359 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977005681] [2021-10-11 00:23:00,365 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:23:00,365 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:23:00,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:23:00,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:23:00,384 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 2 states. [2021-10-11 00:23:00,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:23:00,446 INFO L93 Difference]: Finished difference Result 268 states and 401 transitions. [2021-10-11 00:23:00,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:23:00,447 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-10-11 00:23:00,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:23:00,472 INFO L225 Difference]: With dead ends: 268 [2021-10-11 00:23:00,472 INFO L226 Difference]: Without dead ends: 133 [2021-10-11 00:23:00,475 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:23:00,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2021-10-11 00:23:00,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2021-10-11 00:23:00,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2021-10-11 00:23:00,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 192 transitions. [2021-10-11 00:23:00,551 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 192 transitions. Word has length 16 [2021-10-11 00:23:00,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:23:00,552 INFO L481 AbstractCegarLoop]: Abstraction has 133 states and 192 transitions. [2021-10-11 00:23:00,552 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:23:00,553 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 192 transitions. [2021-10-11 00:23:00,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 00:23:00,554 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:23:00,554 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 00:23:00,554 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:23:00,554 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:23:00,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:23:00,557 INFO L82 PathProgramCache]: Analyzing trace with hash 804325689, now seen corresponding path program 1 times [2021-10-11 00:23:00,557 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:23:00,558 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163964116] [2021-10-11 00:23:00,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:23:00,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:23:00,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:23:00,711 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163964116] [2021-10-11 00:23:00,712 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:23:00,712 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:23:00,712 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700284753] [2021-10-11 00:23:00,714 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:23:00,715 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:23:00,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:23:00,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:23:00,717 INFO L87 Difference]: Start difference. First operand 133 states and 192 transitions. Second operand 3 states. [2021-10-11 00:23:00,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:23:00,739 INFO L93 Difference]: Finished difference Result 133 states and 192 transitions. [2021-10-11 00:23:00,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:23:00,740 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 00:23:00,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:23:00,743 INFO L225 Difference]: With dead ends: 133 [2021-10-11 00:23:00,743 INFO L226 Difference]: Without dead ends: 55 [2021-10-11 00:23:00,745 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:23:00,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-10-11 00:23:00,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-10-11 00:23:00,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2021-10-11 00:23:00,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2021-10-11 00:23:00,751 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 17 [2021-10-11 00:23:00,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:23:00,751 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2021-10-11 00:23:00,751 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:23:00,751 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2021-10-11 00:23:00,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 00:23:00,752 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:23:00,752 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 00:23:00,752 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:23:00,753 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:23:00,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:23:00,753 INFO L82 PathProgramCache]: Analyzing trace with hash 934734913, now seen corresponding path program 1 times [2021-10-11 00:23:00,753 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:23:00,753 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719384584] [2021-10-11 00:23:00,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:23:00,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:23:00,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:23:00,867 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719384584] [2021-10-11 00:23:00,867 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:23:00,867 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:23:00,867 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175299586] [2021-10-11 00:23:00,868 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:23:00,868 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:23:00,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:23:00,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:23:00,869 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 3 states. [2021-10-11 00:23:00,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:23:00,902 INFO L93 Difference]: Finished difference Result 153 states and 225 transitions. [2021-10-11 00:23:00,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:23:00,902 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2021-10-11 00:23:00,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:23:00,903 INFO L225 Difference]: With dead ends: 153 [2021-10-11 00:23:00,904 INFO L226 Difference]: Without dead ends: 104 [2021-10-11 00:23:00,904 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:23:00,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-10-11 00:23:00,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 100. [2021-10-11 00:23:00,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2021-10-11 00:23:00,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 147 transitions. [2021-10-11 00:23:00,916 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 147 transitions. Word has length 22 [2021-10-11 00:23:00,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:23:00,916 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 147 transitions. [2021-10-11 00:23:00,916 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:23:00,916 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 147 transitions. [2021-10-11 00:23:00,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 00:23:00,918 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:23:00,918 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 00:23:00,918 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:23:00,918 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:23:00,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:23:00,919 INFO L82 PathProgramCache]: Analyzing trace with hash -2102865864, now seen corresponding path program 1 times [2021-10-11 00:23:00,919 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:23:00,919 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788768196] [2021-10-11 00:23:00,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:23:00,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:23:00,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:23:00,987 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788768196] [2021-10-11 00:23:00,987 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:23:00,987 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:23:00,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984036394] [2021-10-11 00:23:00,988 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:23:00,988 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:23:00,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:23:00,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:23:00,989 INFO L87 Difference]: Start difference. First operand 100 states and 147 transitions. Second operand 3 states. [2021-10-11 00:23:01,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:23:01,047 INFO L93 Difference]: Finished difference Result 235 states and 350 transitions. [2021-10-11 00:23:01,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:23:01,048 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 00:23:01,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:23:01,049 INFO L225 Difference]: With dead ends: 235 [2021-10-11 00:23:01,049 INFO L226 Difference]: Without dead ends: 141 [2021-10-11 00:23:01,050 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:23:01,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2021-10-11 00:23:01,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 139. [2021-10-11 00:23:01,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2021-10-11 00:23:01,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 201 transitions. [2021-10-11 00:23:01,072 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 201 transitions. Word has length 24 [2021-10-11 00:23:01,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:23:01,072 INFO L481 AbstractCegarLoop]: Abstraction has 139 states and 201 transitions. [2021-10-11 00:23:01,072 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:23:01,072 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 201 transitions. [2021-10-11 00:23:01,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-11 00:23:01,078 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:23:01,078 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] [2021-10-11 00:23:01,078 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:23:01,078 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:23:01,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:23:01,080 INFO L82 PathProgramCache]: Analyzing trace with hash 379959382, now seen corresponding path program 1 times [2021-10-11 00:23:01,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:23:01,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154803019] [2021-10-11 00:23:01,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:23:01,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:23:01,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:23:01,218 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154803019] [2021-10-11 00:23:01,218 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:23:01,218 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:23:01,218 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283756374] [2021-10-11 00:23:01,219 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:23:01,219 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:23:01,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:23:01,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:23:01,220 INFO L87 Difference]: Start difference. First operand 139 states and 201 transitions. Second operand 5 states. [2021-10-11 00:23:01,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:23:01,402 INFO L93 Difference]: Finished difference Result 747 states and 1098 transitions. [2021-10-11 00:23:01,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 00:23:01,403 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2021-10-11 00:23:01,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:23:01,408 INFO L225 Difference]: With dead ends: 747 [2021-10-11 00:23:01,408 INFO L226 Difference]: Without dead ends: 614 [2021-10-11 00:23:01,412 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 00:23:01,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2021-10-11 00:23:01,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 262. [2021-10-11 00:23:01,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2021-10-11 00:23:01,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 375 transitions. [2021-10-11 00:23:01,465 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 375 transitions. Word has length 25 [2021-10-11 00:23:01,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:23:01,465 INFO L481 AbstractCegarLoop]: Abstraction has 262 states and 375 transitions. [2021-10-11 00:23:01,465 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:23:01,466 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 375 transitions. [2021-10-11 00:23:01,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 00:23:01,468 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:23:01,468 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:23:01,468 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:23:01,469 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:23:01,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:23:01,470 INFO L82 PathProgramCache]: Analyzing trace with hash 176152288, now seen corresponding path program 1 times [2021-10-11 00:23:01,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:23:01,470 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963632427] [2021-10-11 00:23:01,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:23:01,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:23:01,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:23:01,575 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963632427] [2021-10-11 00:23:01,575 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:23:01,575 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:23:01,575 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329638370] [2021-10-11 00:23:01,577 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:23:01,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:23:01,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:23:01,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:23:01,578 INFO L87 Difference]: Start difference. First operand 262 states and 375 transitions. Second operand 5 states. [2021-10-11 00:23:01,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:23:01,740 INFO L93 Difference]: Finished difference Result 768 states and 1102 transitions. [2021-10-11 00:23:01,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 00:23:01,741 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2021-10-11 00:23:01,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:23:01,746 INFO L225 Difference]: With dead ends: 768 [2021-10-11 00:23:01,746 INFO L226 Difference]: Without dead ends: 766 [2021-10-11 00:23:01,747 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 00:23:01,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 766 states. [2021-10-11 00:23:01,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 766 to 262. [2021-10-11 00:23:01,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2021-10-11 00:23:01,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 373 transitions. [2021-10-11 00:23:01,788 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 373 transitions. Word has length 26 [2021-10-11 00:23:01,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:23:01,791 INFO L481 AbstractCegarLoop]: Abstraction has 262 states and 373 transitions. [2021-10-11 00:23:01,791 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:23:01,792 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 373 transitions. [2021-10-11 00:23:01,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 00:23:01,795 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:23:01,795 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:23:01,795 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-11 00:23:01,796 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:23:01,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:23:01,796 INFO L82 PathProgramCache]: Analyzing trace with hash -531386443, now seen corresponding path program 1 times [2021-10-11 00:23:01,797 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:23:01,803 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757464949] [2021-10-11 00:23:01,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:23:01,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:23:01,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:23:01,864 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757464949] [2021-10-11 00:23:01,864 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:23:01,864 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:23:01,865 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744558221] [2021-10-11 00:23:01,865 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:23:01,865 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:23:01,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:23:01,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:23:01,866 INFO L87 Difference]: Start difference. First operand 262 states and 373 transitions. Second operand 5 states. [2021-10-11 00:23:01,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:23:01,957 INFO L93 Difference]: Finished difference Result 698 states and 980 transitions. [2021-10-11 00:23:01,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:23:01,958 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2021-10-11 00:23:01,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:23:01,961 INFO L225 Difference]: With dead ends: 698 [2021-10-11 00:23:01,961 INFO L226 Difference]: Without dead ends: 442 [2021-10-11 00:23:01,963 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:23:01,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2021-10-11 00:23:01,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 286. [2021-10-11 00:23:01,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2021-10-11 00:23:01,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 397 transitions. [2021-10-11 00:23:01,992 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 397 transitions. Word has length 34 [2021-10-11 00:23:01,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:23:01,993 INFO L481 AbstractCegarLoop]: Abstraction has 286 states and 397 transitions. [2021-10-11 00:23:01,993 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:23:01,993 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 397 transitions. [2021-10-11 00:23:01,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 00:23:01,994 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:23:01,994 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:23:01,994 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-11 00:23:01,995 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:23:01,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:23:01,995 INFO L82 PathProgramCache]: Analyzing trace with hash -1118192457, now seen corresponding path program 1 times [2021-10-11 00:23:01,995 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:23:01,996 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537649610] [2021-10-11 00:23:01,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:23:02,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:23:02,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:23:02,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537649610] [2021-10-11 00:23:02,044 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:23:02,044 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:23:02,045 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255230192] [2021-10-11 00:23:02,045 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 00:23:02,045 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:23:02,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 00:23:02,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 00:23:02,046 INFO L87 Difference]: Start difference. First operand 286 states and 397 transitions. Second operand 4 states. [2021-10-11 00:23:02,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:23:02,116 INFO L93 Difference]: Finished difference Result 686 states and 942 transitions. [2021-10-11 00:23:02,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 00:23:02,117 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2021-10-11 00:23:02,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:23:02,120 INFO L225 Difference]: With dead ends: 686 [2021-10-11 00:23:02,120 INFO L226 Difference]: Without dead ends: 406 [2021-10-11 00:23:02,121 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 00:23:02,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2021-10-11 00:23:02,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 302. [2021-10-11 00:23:02,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 302 states. [2021-10-11 00:23:02,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 413 transitions. [2021-10-11 00:23:02,162 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 413 transitions. Word has length 34 [2021-10-11 00:23:02,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:23:02,163 INFO L481 AbstractCegarLoop]: Abstraction has 302 states and 413 transitions. [2021-10-11 00:23:02,163 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 00:23:02,163 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 413 transitions. [2021-10-11 00:23:02,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 00:23:02,164 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:23:02,164 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:23:02,165 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-11 00:23:02,165 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:23:02,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:23:02,165 INFO L82 PathProgramCache]: Analyzing trace with hash 1896911161, now seen corresponding path program 1 times [2021-10-11 00:23:02,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:23:02,166 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758719473] [2021-10-11 00:23:02,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:23:02,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:23:02,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:23:02,209 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758719473] [2021-10-11 00:23:02,209 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:23:02,209 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:23:02,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766874150] [2021-10-11 00:23:02,210 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:23:02,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:23:02,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:23:02,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:23:02,211 INFO L87 Difference]: Start difference. First operand 302 states and 413 transitions. Second operand 3 states. [2021-10-11 00:23:02,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:23:02,266 INFO L93 Difference]: Finished difference Result 702 states and 954 transitions. [2021-10-11 00:23:02,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:23:02,266 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2021-10-11 00:23:02,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:23:02,269 INFO L225 Difference]: With dead ends: 702 [2021-10-11 00:23:02,269 INFO L226 Difference]: Without dead ends: 406 [2021-10-11 00:23:02,270 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:23:02,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2021-10-11 00:23:02,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 406. [2021-10-11 00:23:02,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 406 states. [2021-10-11 00:23:02,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 539 transitions. [2021-10-11 00:23:02,310 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 539 transitions. Word has length 34 [2021-10-11 00:23:02,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:23:02,311 INFO L481 AbstractCegarLoop]: Abstraction has 406 states and 539 transitions. [2021-10-11 00:23:02,311 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:23:02,311 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 539 transitions. [2021-10-11 00:23:02,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-11 00:23:02,312 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:23:02,312 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:23:02,313 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-11 00:23:02,313 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:23:02,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:23:02,313 INFO L82 PathProgramCache]: Analyzing trace with hash -881620425, now seen corresponding path program 1 times [2021-10-11 00:23:02,314 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:23:02,314 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338142597] [2021-10-11 00:23:02,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:23:02,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:23:02,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:23:02,389 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338142597] [2021-10-11 00:23:02,393 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:23:02,394 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-11 00:23:02,394 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119538149] [2021-10-11 00:23:02,395 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-10-11 00:23:02,395 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:23:02,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-11 00:23:02,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-10-11 00:23:02,396 INFO L87 Difference]: Start difference. First operand 406 states and 539 transitions. Second operand 8 states. [2021-10-11 00:23:03,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:23:03,180 INFO L93 Difference]: Finished difference Result 1710 states and 2249 transitions. [2021-10-11 00:23:03,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-11 00:23:03,180 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2021-10-11 00:23:03,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:23:03,188 INFO L225 Difference]: With dead ends: 1710 [2021-10-11 00:23:03,188 INFO L226 Difference]: Without dead ends: 1310 [2021-10-11 00:23:03,189 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=159, Invalid=393, Unknown=0, NotChecked=0, Total=552 [2021-10-11 00:23:03,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1310 states. [2021-10-11 00:23:03,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1310 to 406. [2021-10-11 00:23:03,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 406 states. [2021-10-11 00:23:03,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 529 transitions. [2021-10-11 00:23:03,258 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 529 transitions. Word has length 35 [2021-10-11 00:23:03,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:23:03,258 INFO L481 AbstractCegarLoop]: Abstraction has 406 states and 529 transitions. [2021-10-11 00:23:03,258 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-10-11 00:23:03,258 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 529 transitions. [2021-10-11 00:23:03,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-10-11 00:23:03,260 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:23:03,260 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:23:03,260 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-11 00:23:03,260 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:23:03,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:23:03,261 INFO L82 PathProgramCache]: Analyzing trace with hash 1725515931, now seen corresponding path program 1 times [2021-10-11 00:23:03,261 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:23:03,261 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740230113] [2021-10-11 00:23:03,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:23:03,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:23:03,303 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 00:23:03,303 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740230113] [2021-10-11 00:23:03,303 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:23:03,303 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:23:03,304 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61740305] [2021-10-11 00:23:03,304 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:23:03,304 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:23:03,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:23:03,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:23:03,305 INFO L87 Difference]: Start difference. First operand 406 states and 529 transitions. Second operand 3 states. [2021-10-11 00:23:03,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:23:03,449 INFO L93 Difference]: Finished difference Result 688 states and 894 transitions. [2021-10-11 00:23:03,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:23:03,450 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2021-10-11 00:23:03,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:23:03,452 INFO L225 Difference]: With dead ends: 688 [2021-10-11 00:23:03,452 INFO L226 Difference]: Without dead ends: 288 [2021-10-11 00:23:03,453 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:23:03,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2021-10-11 00:23:03,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 280. [2021-10-11 00:23:03,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2021-10-11 00:23:03,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 359 transitions. [2021-10-11 00:23:03,484 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 359 transitions. Word has length 53 [2021-10-11 00:23:03,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:23:03,485 INFO L481 AbstractCegarLoop]: Abstraction has 280 states and 359 transitions. [2021-10-11 00:23:03,485 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:23:03,485 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 359 transitions. [2021-10-11 00:23:03,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-11 00:23:03,486 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:23:03,486 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:23:03,486 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-11 00:23:03,486 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:23:03,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:23:03,487 INFO L82 PathProgramCache]: Analyzing trace with hash -1734965659, now seen corresponding path program 1 times [2021-10-11 00:23:03,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:23:03,487 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870250328] [2021-10-11 00:23:03,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:23:03,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:23:03,628 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:23:03,628 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870250328] [2021-10-11 00:23:03,629 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:23:03,629 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 00:23:03,629 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259996868] [2021-10-11 00:23:03,629 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 00:23:03,630 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:23:03,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 00:23:03,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-11 00:23:03,630 INFO L87 Difference]: Start difference. First operand 280 states and 359 transitions. Second operand 6 states. [2021-10-11 00:23:04,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:23:04,025 INFO L93 Difference]: Finished difference Result 1458 states and 1910 transitions. [2021-10-11 00:23:04,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-11 00:23:04,026 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2021-10-11 00:23:04,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:23:04,033 INFO L225 Difference]: With dead ends: 1458 [2021-10-11 00:23:04,034 INFO L226 Difference]: Without dead ends: 1272 [2021-10-11 00:23:04,035 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2021-10-11 00:23:04,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1272 states. [2021-10-11 00:23:04,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1272 to 548. [2021-10-11 00:23:04,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 548 states. [2021-10-11 00:23:04,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 704 transitions. [2021-10-11 00:23:04,121 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 704 transitions. Word has length 56 [2021-10-11 00:23:04,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:23:04,121 INFO L481 AbstractCegarLoop]: Abstraction has 548 states and 704 transitions. [2021-10-11 00:23:04,121 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 00:23:04,122 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 704 transitions. [2021-10-11 00:23:04,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-11 00:23:04,123 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:23:04,123 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:23:04,123 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-11 00:23:04,123 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:23:04,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:23:04,124 INFO L82 PathProgramCache]: Analyzing trace with hash -1033901081, now seen corresponding path program 1 times [2021-10-11 00:23:04,124 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:23:04,124 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076777159] [2021-10-11 00:23:04,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:23:04,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:23:04,192 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 00:23:04,193 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076777159] [2021-10-11 00:23:04,193 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:23:04,193 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:23:04,194 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273434703] [2021-10-11 00:23:04,194 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:23:04,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:23:04,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:23:04,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:23:04,195 INFO L87 Difference]: Start difference. First operand 548 states and 704 transitions. Second operand 5 states. [2021-10-11 00:23:04,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:23:04,310 INFO L93 Difference]: Finished difference Result 1114 states and 1427 transitions. [2021-10-11 00:23:04,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 00:23:04,310 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2021-10-11 00:23:04,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:23:04,311 INFO L225 Difference]: With dead ends: 1114 [2021-10-11 00:23:04,311 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:23:04,312 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 00:23:04,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:23:04,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:23:04,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:23:04,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:23:04,313 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2021-10-11 00:23:04,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:23:04,314 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:23:04,314 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:23:04,314 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:23:04,314 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:23:04,314 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-11 00:23:04,316 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:23:05,033 WARN L197 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 203 [2021-10-11 00:23:05,511 WARN L197 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 150 [2021-10-11 00:23:05,730 WARN L197 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 116 [2021-10-11 00:23:06,192 WARN L197 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 148 [2021-10-11 00:23:06,445 WARN L197 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 123 [2021-10-11 00:23:06,714 WARN L197 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 142 [2021-10-11 00:23:06,870 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 90 [2021-10-11 00:23:07,451 WARN L197 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 203 [2021-10-11 00:23:07,985 WARN L197 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 190 [2021-10-11 00:23:08,409 WARN L197 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 194 [2021-10-11 00:23:09,785 WARN L197 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 200 DAG size of output: 23 [2021-10-11 00:23:10,785 WARN L197 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 31 [2021-10-11 00:23:11,310 WARN L197 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 28 [2021-10-11 00:23:11,629 WARN L197 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 22 [2021-10-11 00:23:11,876 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 26 [2021-10-11 00:23:12,743 WARN L197 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 31 [2021-10-11 00:23:13,281 WARN L197 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 17 [2021-10-11 00:23:14,051 WARN L197 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 31 [2021-10-11 00:23:14,154 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 20 [2021-10-11 00:23:14,407 WARN L197 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 25 [2021-10-11 00:23:15,490 WARN L197 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 30 [2021-10-11 00:23:16,544 WARN L197 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 189 DAG size of output: 29 [2021-10-11 00:23:17,516 WARN L197 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 30 [2021-10-11 00:23:17,522 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 653) no Hoare annotation was computed. [2021-10-11 00:23:17,522 INFO L262 CegarLoopResult]: For program point L796(lines 796 813) no Hoare annotation was computed. [2021-10-11 00:23:17,523 INFO L262 CegarLoopResult]: For program point L796-1(lines 796 813) no Hoare annotation was computed. [2021-10-11 00:23:17,523 INFO L262 CegarLoopResult]: For program point L796-2(lines 796 813) no Hoare annotation was computed. [2021-10-11 00:23:17,523 INFO L262 CegarLoopResult]: For program point L235(lines 235 241) no Hoare annotation was computed. [2021-10-11 00:23:17,523 INFO L262 CegarLoopResult]: For program point L235-1(lines 235 241) no Hoare annotation was computed. [2021-10-11 00:23:17,523 INFO L262 CegarLoopResult]: For program point L235-2(lines 235 241) no Hoare annotation was computed. [2021-10-11 00:23:17,523 INFO L262 CegarLoopResult]: For program point L235-3(lines 235 241) no Hoare annotation was computed. [2021-10-11 00:23:17,523 INFO L262 CegarLoopResult]: For program point L235-4(lines 235 241) no Hoare annotation was computed. [2021-10-11 00:23:17,523 INFO L262 CegarLoopResult]: For program point L235-5(lines 235 241) no Hoare annotation was computed. [2021-10-11 00:23:17,523 INFO L262 CegarLoopResult]: For program point L269(lines 269 275) no Hoare annotation was computed. [2021-10-11 00:23:17,523 INFO L262 CegarLoopResult]: For program point L269-2(lines 269 275) no Hoare annotation was computed. [2021-10-11 00:23:17,523 INFO L262 CegarLoopResult]: For program point L170(lines 170 174) no Hoare annotation was computed. [2021-10-11 00:23:17,523 INFO L262 CegarLoopResult]: For program point L269-4(lines 269 275) no Hoare annotation was computed. [2021-10-11 00:23:17,524 INFO L258 CegarLoopResult]: At program point L105(lines 101 107) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-10-11 00:23:17,524 INFO L262 CegarLoopResult]: For program point L700(lines 700 715) no Hoare annotation was computed. [2021-10-11 00:23:17,524 INFO L262 CegarLoopResult]: For program point L833(lines 833 839) no Hoare annotation was computed. [2021-10-11 00:23:17,524 INFO L262 CegarLoopResult]: For program point L800(lines 800 808) no Hoare annotation was computed. [2021-10-11 00:23:17,524 INFO L262 CegarLoopResult]: For program point L833-2(lines 833 839) no Hoare annotation was computed. [2021-10-11 00:23:17,524 INFO L262 CegarLoopResult]: For program point L800-1(lines 800 808) no Hoare annotation was computed. [2021-10-11 00:23:17,524 INFO L262 CegarLoopResult]: For program point L800-2(lines 800 808) no Hoare annotation was computed. [2021-10-11 00:23:17,525 INFO L262 CegarLoopResult]: For program point L833-4(lines 833 839) no Hoare annotation was computed. [2021-10-11 00:23:17,525 INFO L262 CegarLoopResult]: For program point L833-6(lines 833 839) no Hoare annotation was computed. [2021-10-11 00:23:17,525 INFO L262 CegarLoopResult]: For program point L833-8(lines 833 839) no Hoare annotation was computed. [2021-10-11 00:23:17,525 INFO L262 CegarLoopResult]: For program point L833-10(lines 833 839) no Hoare annotation was computed. [2021-10-11 00:23:17,525 INFO L258 CegarLoopResult]: At program point L999(lines 994 1002) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-10-11 00:23:17,525 INFO L258 CegarLoopResult]: At program point L867(lines 862 870) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 1)) (.cse1 (not (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~waterLevel~0))) (or (and .cse0 (= 0 ~systemActive~0) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (= 1 ~systemActive~0) .cse1 .cse2 .cse3 .cse4 .cse5))) [2021-10-11 00:23:17,526 INFO L258 CegarLoopResult]: At program point L867-1(lines 862 870) the Hoare annotation is: false [2021-10-11 00:23:17,526 INFO L258 CegarLoopResult]: At program point L867-2(lines 862 870) the Hoare annotation is: false [2021-10-11 00:23:17,526 INFO L258 CegarLoopResult]: At program point L240(lines 231 244) the Hoare annotation is: false [2021-10-11 00:23:17,526 INFO L258 CegarLoopResult]: At program point L240-1(lines 231 244) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse7 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse3 .cse4 .cse6 .cse7) (and .cse1 .cse5 .cse3 .cse4 .cse6 .cse7))) [2021-10-11 00:23:17,526 INFO L258 CegarLoopResult]: At program point L240-2(lines 231 244) the Hoare annotation is: false [2021-10-11 00:23:17,527 INFO L258 CegarLoopResult]: At program point L240-3(lines 231 244) the Hoare annotation is: false [2021-10-11 00:23:17,527 INFO L265 CegarLoopResult]: At program point L141(lines 122 144) the Hoare annotation is: true [2021-10-11 00:23:17,527 INFO L258 CegarLoopResult]: At program point L240-4(lines 231 244) the Hoare annotation is: false [2021-10-11 00:23:17,527 INFO L258 CegarLoopResult]: At program point L240-5(lines 231 244) the Hoare annotation is: false [2021-10-11 00:23:17,527 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 653) no Hoare annotation was computed. [2021-10-11 00:23:17,527 INFO L262 CegarLoopResult]: For program point L935(lines 935 939) no Hoare annotation was computed. [2021-10-11 00:23:17,527 INFO L262 CegarLoopResult]: For program point L935-2(lines 935 939) no Hoare annotation was computed. [2021-10-11 00:23:17,528 INFO L262 CegarLoopResult]: For program point L935-3(lines 935 939) no Hoare annotation was computed. [2021-10-11 00:23:17,528 INFO L262 CegarLoopResult]: For program point L770(lines 770 787) no Hoare annotation was computed. [2021-10-11 00:23:17,528 INFO L262 CegarLoopResult]: For program point L935-5(lines 935 939) no Hoare annotation was computed. [2021-10-11 00:23:17,528 INFO L262 CegarLoopResult]: For program point L770-1(lines 770 787) no Hoare annotation was computed. [2021-10-11 00:23:17,528 INFO L262 CegarLoopResult]: For program point L935-6(lines 935 939) no Hoare annotation was computed. [2021-10-11 00:23:17,528 INFO L262 CegarLoopResult]: For program point L770-2(lines 770 787) no Hoare annotation was computed. [2021-10-11 00:23:17,528 INFO L262 CegarLoopResult]: For program point L671(lines 670 719) no Hoare annotation was computed. [2021-10-11 00:23:17,529 INFO L262 CegarLoopResult]: For program point L770-3(lines 770 787) no Hoare annotation was computed. [2021-10-11 00:23:17,529 INFO L262 CegarLoopResult]: For program point L935-8(lines 935 939) no Hoare annotation was computed. [2021-10-11 00:23:17,529 INFO L262 CegarLoopResult]: For program point L770-4(lines 770 787) no Hoare annotation was computed. [2021-10-11 00:23:17,529 INFO L262 CegarLoopResult]: For program point L770-5(lines 770 787) no Hoare annotation was computed. [2021-10-11 00:23:17,529 INFO L258 CegarLoopResult]: At program point L738(lines 737 756) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse5 (= 0 ~systemActive~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse2 .cse3) (and .cse1 .cse4 .cse2 .cse3) (and .cse0 .cse5 .cse6 .cse2 .cse3))) [2021-10-11 00:23:17,529 INFO L262 CegarLoopResult]: For program point L738-1(lines 738 744) no Hoare annotation was computed. [2021-10-11 00:23:17,530 INFO L262 CegarLoopResult]: For program point L672(lines 672 676) no Hoare annotation was computed. [2021-10-11 00:23:17,530 INFO L258 CegarLoopResult]: At program point L738-2(lines 737 756) the Hoare annotation is: false [2021-10-11 00:23:17,530 INFO L258 CegarLoopResult]: At program point L738-3(lines 737 756) the Hoare annotation is: false [2021-10-11 00:23:17,530 INFO L262 CegarLoopResult]: For program point L774(lines 774 782) no Hoare annotation was computed. [2021-10-11 00:23:17,530 INFO L262 CegarLoopResult]: For program point L774-1(lines 774 782) no Hoare annotation was computed. [2021-10-11 00:23:17,530 INFO L262 CegarLoopResult]: For program point L708(lines 708 714) no Hoare annotation was computed. [2021-10-11 00:23:17,530 INFO L262 CegarLoopResult]: For program point L774-2(lines 774 782) no Hoare annotation was computed. [2021-10-11 00:23:17,531 INFO L258 CegarLoopResult]: At program point L708-1(lines 738 744) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 0)) (.cse6 (= 1 ~systemActive~0)) (.cse7 (<= 2 ~waterLevel~0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse2 .cse3 .cse4) (and .cse6 .cse0 .cse7 .cse3) (and .cse6 .cse0 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse3) (and .cse5 .cse1 .cse2 .cse3 .cse4))) [2021-10-11 00:23:17,531 INFO L262 CegarLoopResult]: For program point L774-3(lines 774 782) no Hoare annotation was computed. [2021-10-11 00:23:17,531 INFO L262 CegarLoopResult]: For program point L774-4(lines 774 782) no Hoare annotation was computed. [2021-10-11 00:23:17,531 INFO L262 CegarLoopResult]: For program point L774-5(lines 774 782) no Hoare annotation was computed. [2021-10-11 00:23:17,531 INFO L258 CegarLoopResult]: At program point L941(lines 926 944) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_isLowWaterLevel_~tmp___0~3 1)) (.cse1 (<= ULTIMATE.start_isLowWaterLevel_~tmp~10 0)) (.cse2 (< 0 (+ ULTIMATE.start_isLowWaterLevel_~tmp~10 1))) (.cse3 (= |ULTIMATE.start_isLowWaterLevel_#res| 1)) (.cse4 (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse6 (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|)) (.cse5 (= 1 ~systemActive~0)) (.cse7 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~methaneLevelCritical~0 0) .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methaneLevelCritical~0 1) .cse6 .cse5 .cse7 .cse8))) [2021-10-11 00:23:17,531 INFO L258 CegarLoopResult]: At program point L941-1(lines 926 944) the Hoare annotation is: false [2021-10-11 00:23:17,532 INFO L258 CegarLoopResult]: At program point L941-2(lines 926 944) the Hoare annotation is: false [2021-10-11 00:23:17,532 INFO L262 CegarLoopResult]: For program point L182(lines 182 186) no Hoare annotation was computed. [2021-10-11 00:23:17,532 INFO L258 CegarLoopResult]: At program point L745(lines 745 751) the Hoare annotation is: (let ((.cse6 (= 1 ~systemActive~0)) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse2 .cse3 .cse4) (and .cse6 .cse0 (<= 2 ~waterLevel~0) .cse3) (and .cse6 .cse0 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse3 .cse4))) [2021-10-11 00:23:17,532 INFO L258 CegarLoopResult]: At program point L745-1(lines 745 751) the Hoare annotation is: false [2021-10-11 00:23:17,532 INFO L258 CegarLoopResult]: At program point L745-2(lines 745 751) the Hoare annotation is: false [2021-10-11 00:23:17,532 INFO L258 CegarLoopResult]: At program point L250(lines 245 253) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0)) (.cse2 (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4) (and .cse0 (= ~methaneLevelCritical~0 1) .cse2 .cse1 .cse3 .cse4))) [2021-10-11 00:23:17,533 INFO L258 CegarLoopResult]: At program point L250-1(lines 245 253) the Hoare annotation is: false [2021-10-11 00:23:17,533 INFO L258 CegarLoopResult]: At program point L250-2(lines 245 253) the Hoare annotation is: false [2021-10-11 00:23:17,533 INFO L262 CegarLoopResult]: For program point L680(lines 680 686) no Hoare annotation was computed. [2021-10-11 00:23:17,533 INFO L258 CegarLoopResult]: At program point L680-1(lines 680 686) the Hoare annotation is: (let ((.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (let ((.cse1 (= 0 ~systemActive~0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse2 (not .cse8)) (.cse3 (= ~pumpRunning~0 0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse6 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~1 0)) (.cse9 (= 1 ~systemActive~0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse1 .cse8 .cse3 .cse4 .cse5) (and .cse9 .cse7 .cse3 .cse4 .cse5) (and .cse0 .cse9 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse9 .cse7 (<= 2 ~waterLevel~0) .cse8 .cse4)))) [2021-10-11 00:23:17,533 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:23:17,533 INFO L258 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: false [2021-10-11 00:23:17,534 INFO L262 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2021-10-11 00:23:17,534 INFO L262 CegarLoopResult]: For program point L949(lines 949 955) no Hoare annotation was computed. [2021-10-11 00:23:17,534 INFO L258 CegarLoopResult]: At program point L949-1(lines 949 955) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~waterLevel~0))) (or (and (= ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2))) [2021-10-11 00:23:17,534 INFO L262 CegarLoopResult]: For program point L916(lines 916 920) no Hoare annotation was computed. [2021-10-11 00:23:17,534 INFO L262 CegarLoopResult]: For program point L916-2(lines 916 920) no Hoare annotation was computed. [2021-10-11 00:23:17,534 INFO L262 CegarLoopResult]: For program point L916-3(lines 916 920) no Hoare annotation was computed. [2021-10-11 00:23:17,534 INFO L262 CegarLoopResult]: For program point L916-5(lines 916 920) no Hoare annotation was computed. [2021-10-11 00:23:17,535 INFO L262 CegarLoopResult]: For program point L916-6(lines 916 920) no Hoare annotation was computed. [2021-10-11 00:23:17,535 INFO L262 CegarLoopResult]: For program point L916-8(lines 916 920) no Hoare annotation was computed. [2021-10-11 00:23:17,535 INFO L262 CegarLoopResult]: For program point L916-9(lines 916 920) no Hoare annotation was computed. [2021-10-11 00:23:17,535 INFO L262 CegarLoopResult]: For program point L916-11(lines 916 920) no Hoare annotation was computed. [2021-10-11 00:23:17,535 INFO L262 CegarLoopResult]: For program point L916-12(lines 916 920) no Hoare annotation was computed. [2021-10-11 00:23:17,535 INFO L262 CegarLoopResult]: For program point L916-14(lines 916 920) no Hoare annotation was computed. [2021-10-11 00:23:17,535 INFO L262 CegarLoopResult]: For program point L916-15(lines 916 920) no Hoare annotation was computed. [2021-10-11 00:23:17,536 INFO L262 CegarLoopResult]: For program point L916-17(lines 916 920) no Hoare annotation was computed. [2021-10-11 00:23:17,536 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:23:17,536 INFO L262 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2021-10-11 00:23:17,536 INFO L262 CegarLoopResult]: For program point L58-1(lines 738 744) no Hoare annotation was computed. [2021-10-11 00:23:17,536 INFO L262 CegarLoopResult]: For program point L653(line 653) no Hoare annotation was computed. [2021-10-11 00:23:17,536 INFO L262 CegarLoopResult]: For program point L653-1(line 653) no Hoare annotation was computed. [2021-10-11 00:23:17,536 INFO L262 CegarLoopResult]: For program point L653-2(line 653) no Hoare annotation was computed. [2021-10-11 00:23:17,536 INFO L262 CegarLoopResult]: For program point L158(lines 158 162) no Hoare annotation was computed. [2021-10-11 00:23:17,537 INFO L262 CegarLoopResult]: For program point L158-3(lines 158 162) no Hoare annotation was computed. [2021-10-11 00:23:17,537 INFO L262 CegarLoopResult]: For program point L158-6(lines 158 162) no Hoare annotation was computed. [2021-10-11 00:23:17,537 INFO L258 CegarLoopResult]: At program point L720(lines 669 721) the Hoare annotation is: false [2021-10-11 00:23:17,537 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:23:17,537 INFO L262 CegarLoopResult]: For program point L690(lines 690 696) no Hoare annotation was computed. [2021-10-11 00:23:17,537 INFO L258 CegarLoopResult]: At program point L690-1(lines 690 696) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse6 .cse3) (and .cse7 .cse5 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse2 .cse3 .cse4) (and .cse7 .cse5 .cse6 .cse3) (and .cse7 .cse1 .cse2 .cse3 .cse4))) [2021-10-11 00:23:17,538 INFO L258 CegarLoopResult]: At program point L195(lines 190 198) the Hoare annotation is: false [2021-10-11 00:23:17,538 INFO L258 CegarLoopResult]: At program point L195-1(lines 190 198) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~methaneLevelCritical~0 1) .cse0 (not .cse1) .cse2 .cse3 .cse4) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3 .cse4))) [2021-10-11 00:23:17,538 INFO L258 CegarLoopResult]: At program point L195-2(lines 190 198) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse7 (= 0 ~systemActive~0)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse8 (not .cse2)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse8 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse4) (and .cse1 .cse7 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse0 .cse8 .cse3 .cse4 .cse5)))) [2021-10-11 00:23:17,538 INFO L258 CegarLoopResult]: At program point L195-3(lines 190 198) the Hoare annotation is: false [2021-10-11 00:23:17,538 INFO L258 CegarLoopResult]: At program point L195-4(lines 190 198) the Hoare annotation is: false [2021-10-11 00:23:17,539 INFO L258 CegarLoopResult]: At program point L195-5(lines 190 198) the Hoare annotation is: false [2021-10-11 00:23:17,539 INFO L258 CegarLoopResult]: At program point L195-6(lines 190 198) the Hoare annotation is: false [2021-10-11 00:23:17,539 INFO L258 CegarLoopResult]: At program point L195-7(lines 190 198) the Hoare annotation is: false [2021-10-11 00:23:17,539 INFO L258 CegarLoopResult]: At program point L195-8(lines 190 198) the Hoare annotation is: false [2021-10-11 00:23:17,539 INFO L258 CegarLoopResult]: At program point L922(lines 907 925) the Hoare annotation is: false [2021-10-11 00:23:17,539 INFO L258 CegarLoopResult]: At program point L922-1(lines 907 925) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse6 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 0)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse7 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse0 .cse6 .cse1 .cse7 .cse3 .cse4 .cse8) (and .cse6 .cse1 .cse5 .cse7 .cse3 .cse4 .cse8))) [2021-10-11 00:23:17,540 INFO L258 CegarLoopResult]: At program point L922-2(lines 907 925) the Hoare annotation is: false [2021-10-11 00:23:17,540 INFO L258 CegarLoopResult]: At program point L922-3(lines 907 925) the Hoare annotation is: false [2021-10-11 00:23:17,540 INFO L258 CegarLoopResult]: At program point L922-4(lines 907 925) the Hoare annotation is: false [2021-10-11 00:23:17,540 INFO L258 CegarLoopResult]: At program point L922-5(lines 907 925) the Hoare annotation is: false [2021-10-11 00:23:17,540 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:23:17,540 INFO L258 CegarLoopResult]: At program point L858(lines 851 861) the Hoare annotation is: false [2021-10-11 00:23:17,541 INFO L258 CegarLoopResult]: At program point L858-1(lines 851 861) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3 .cse4) (and (= ~methaneLevelCritical~0 1) .cse0 (not .cse1) .cse2 .cse3 .cse4 (not (= |ULTIMATE.start_isMethaneAlarm_#res| 0))))) [2021-10-11 00:23:17,541 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 653) no Hoare annotation was computed. [2021-10-11 00:23:17,541 INFO L258 CegarLoopResult]: At program point L858-2(lines 851 861) the Hoare annotation is: false [2021-10-11 00:23:17,541 INFO L258 CegarLoopResult]: At program point L858-3(lines 851 861) the Hoare annotation is: false [2021-10-11 00:23:17,541 INFO L258 CegarLoopResult]: At program point L858-4(lines 851 861) the Hoare annotation is: false [2021-10-11 00:23:17,541 INFO L258 CegarLoopResult]: At program point L858-5(lines 851 861) the Hoare annotation is: false [2021-10-11 00:23:17,541 INFO L262 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2021-10-11 00:23:17,542 INFO L265 CegarLoopResult]: At program point L132-1(lines 132 139) the Hoare annotation is: true [2021-10-11 00:23:17,542 INFO L258 CegarLoopResult]: At program point L991(lines 1 1002) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-10-11 00:23:17,542 INFO L262 CegarLoopResult]: For program point L265(lines 265 278) no Hoare annotation was computed. [2021-10-11 00:23:17,542 INFO L258 CegarLoopResult]: At program point L265-1(lines 1 1002) the Hoare annotation is: (let ((.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0))) (let ((.cse1 (= 0 ~systemActive~0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse2 (not .cse8)) (.cse3 (= ~pumpRunning~0 0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse6 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~1 0)) (.cse9 (= 1 ~systemActive~0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse1 .cse8 .cse3 .cse4 .cse5) (and .cse9 .cse7 .cse3 .cse4 .cse5) (and .cse0 .cse9 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse9 .cse7 (<= 2 ~waterLevel~0) .cse8 .cse4)))) [2021-10-11 00:23:17,542 INFO L262 CegarLoopResult]: For program point L265-2(lines 265 278) no Hoare annotation was computed. [2021-10-11 00:23:17,542 INFO L258 CegarLoopResult]: At program point L265-3(lines 1 1002) the Hoare annotation is: false [2021-10-11 00:23:17,543 INFO L262 CegarLoopResult]: For program point L265-4(lines 265 278) no Hoare annotation was computed. [2021-10-11 00:23:17,543 INFO L258 CegarLoopResult]: At program point L265-5(lines 1 1002) the Hoare annotation is: false [2021-10-11 00:23:17,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:23:17 BoogieIcfgContainer [2021-10-11 00:23:17,577 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:23:17,577 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:23:17,577 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:23:17,578 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:23:17,578 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:22:59" (3/4) ... [2021-10-11 00:23:17,581 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:23:17,601 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 00:23:17,603 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 00:23:17,604 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 00:23:17,606 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 00:23:17,607 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 00:23:17,608 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:23:17,610 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:23:17,632 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((methaneLevelCritical == 1 && 0 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((((tmp == 0 && methaneLevelCritical == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((methaneLevelCritical == 1 && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) [2021-10-11 00:23:17,632 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((methaneLevelCritical == 1 && 0 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((((tmp == 0 && methaneLevelCritical == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((methaneLevelCritical == 1 && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) [2021-10-11 00:23:17,635 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((((methaneLevelCritical == 1 && 0 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || (((((methaneLevelCritical == 0 && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((methaneLevelCritical == 1 && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2021-10-11 00:23:17,636 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result <= 0 && 1 == systemActive) && methaneLevelCritical == 0) && 0 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) || (((((\result <= 0 && methaneLevelCritical == 1) && 0 <= \result) && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) [2021-10-11 00:23:17,637 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2021-10-11 00:23:17,638 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((methaneLevelCritical == 1 && 0 == systemActive) && !(\result == 0)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && !(\result == 0)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2021-10-11 00:23:17,638 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp___0 == 1 && tmp <= 0) && 0 < tmp + 1) && \result == 1) && \result <= 0) && 1 == systemActive) && methaneLevelCritical == 0) && 0 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) || (((((((((tmp___0 == 1 && tmp <= 0) && 0 < tmp + 1) && \result == 1) && \result <= 0) && methaneLevelCritical == 1) && 0 <= \result) && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) [2021-10-11 00:23:17,639 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((methaneLevelCritical == 1 && tmp___0 == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((((tmp___0 == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) [2021-10-11 00:23:17,641 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((methaneLevelCritical == 1 && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2021-10-11 00:23:17,641 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(\result == 0)) [2021-10-11 00:23:17,748 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e891c5-cc12-4983-8cee-4329fa08b63b/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:23:17,749 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:23:17,750 INFO L168 Benchmark]: Toolchain (without parser) took 19569.36 ms. Allocated memory was 100.7 MB in the beginning and 323.0 MB in the end (delta: 222.3 MB). Free memory was 70.0 MB in the beginning and 237.1 MB in the end (delta: -167.1 MB). Peak memory consumption was 56.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:23:17,750 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 81.8 MB. Free memory is still 39.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:23:17,751 INFO L168 Benchmark]: CACSL2BoogieTranslator took 559.57 ms. Allocated memory is still 100.7 MB. Free memory was 69.7 MB in the beginning and 66.1 MB in the end (delta: 3.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:23:17,751 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.62 ms. Allocated memory is still 100.7 MB. Free memory was 66.1 MB in the beginning and 61.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:23:17,751 INFO L168 Benchmark]: Boogie Preprocessor took 89.39 ms. Allocated memory is still 100.7 MB. Free memory was 61.9 MB in the beginning and 58.7 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:23:17,752 INFO L168 Benchmark]: RCFGBuilder took 1083.27 ms. Allocated memory is still 100.7 MB. Free memory was 58.7 MB in the beginning and 66.3 MB in the end (delta: -7.6 MB). Peak memory consumption was 31.9 MB. Max. memory is 16.1 GB. [2021-10-11 00:23:17,752 INFO L168 Benchmark]: TraceAbstraction took 17580.65 ms. Allocated memory was 100.7 MB in the beginning and 323.0 MB in the end (delta: 222.3 MB). Free memory was 66.3 MB in the beginning and 249.7 MB in the end (delta: -183.4 MB). Peak memory consumption was 190.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:23:17,753 INFO L168 Benchmark]: Witness Printer took 171.63 ms. Allocated memory is still 323.0 MB. Free memory was 248.7 MB in the beginning and 237.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:23:17,756 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 81.8 MB. Free memory is still 39.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 559.57 ms. Allocated memory is still 100.7 MB. Free memory was 69.7 MB in the beginning and 66.1 MB in the end (delta: 3.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 78.62 ms. Allocated memory is still 100.7 MB. Free memory was 66.1 MB in the beginning and 61.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 89.39 ms. Allocated memory is still 100.7 MB. Free memory was 61.9 MB in the beginning and 58.7 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1083.27 ms. Allocated memory is still 100.7 MB. Free memory was 58.7 MB in the beginning and 66.3 MB in the end (delta: -7.6 MB). Peak memory consumption was 31.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 17580.65 ms. Allocated memory was 100.7 MB in the beginning and 323.0 MB in the end (delta: 222.3 MB). Free memory was 66.3 MB in the beginning and 249.7 MB in the end (delta: -183.4 MB). Peak memory consumption was 190.3 MB. Max. memory is 16.1 GB. * Witness Printer took 171.63 ms. Allocated memory is still 323.0 MB. Free memory was 248.7 MB in the beginning and 237.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 653]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 653]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 653]: 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: 737]: Loop Invariant Derived loop invariant: (((((methaneLevelCritical == 1 && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) || ((((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((1 == systemActive && methaneLevelCritical == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 680]: Loop Invariant Derived loop invariant: ((((((((methaneLevelCritical == 1 && 0 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((((tmp == 0 && methaneLevelCritical == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((methaneLevelCritical == 1 && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((methaneLevelCritical == 1 && tmp___0 == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((((tmp___0 == 0 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == 1 && 0 == systemActive) && !(\result == 0)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && !(\result == 0)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 994]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: (((((\result <= 0 && 1 == systemActive) && methaneLevelCritical == 0) && 0 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) || (((((\result <= 0 && methaneLevelCritical == 1) && 0 <= \result) && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: (((((((((tmp___0 == 1 && tmp <= 0) && 0 < tmp + 1) && \result == 1) && \result <= 0) && 1 == systemActive) && methaneLevelCritical == 0) && 0 <= \result) && splverifierCounter == 0) && 1 <= waterLevel) || (((((((((tmp___0 == 1 && tmp <= 0) && 0 < tmp + 1) && \result == 1) && \result <= 0) && methaneLevelCritical == 1) && 0 <= \result) && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((methaneLevelCritical == 1 && 0 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((((tmp == 0 && methaneLevelCritical == 0) && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((methaneLevelCritical == 1 && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((tmp == 0 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 0) && splverifierCounter == 0) - InvariantResult [Line: 949]: Loop Invariant Derived loop invariant: (((methaneLevelCritical == 1 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((methaneLevelCritical == 0 && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: ((((((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((((methaneLevelCritical == 1 && 0 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || (((((methaneLevelCritical == 0 && 0 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((((methaneLevelCritical == 1 && 1 == systemActive) && !(\result == 0)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: (((((methaneLevelCritical == 1 && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: (((((1 == systemActive && methaneLevelCritical == 0) && \result == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((((methaneLevelCritical == 1 && 1 == systemActive) && !(\result == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && !(\result == 0)) - InvariantResult [Line: 738]: Loop Invariant Derived loop invariant: ((((((((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: ((((((((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) || (((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((methaneLevelCritical == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel)) || (((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0)) || ((((methaneLevelCritical == 1 && 0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 137 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.2s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 13.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1638 SDtfs, 2103 SDslu, 3360 SDs, 0 SdLazy, 433 SolverSat, 79 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 103 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=548occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 13 MinimizatonAttempts, 2758 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 331 NumberOfFragments, 1099 HoareAnnotationTreeSize, 56 FomulaSimplifications, 3061454 FormulaSimplificationTreeSizeReduction, 4.0s HoareSimplificationTime, 56 FomulaSimplificationsInter, 646911 FormulaSimplificationTreeSizeReductionInter, 9.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 432 NumberOfCodeBlocks, 432 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 419 ConstructedInterpolants, 0 QuantifiedInterpolants, 25893 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 42/42 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...