./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product39.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_c76510a7-1d4a-4150-9ea5-4bb9281e8928/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76510a7-1d4a-4150-9ea5-4bb9281e8928/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_c76510a7-1d4a-4150-9ea5-4bb9281e8928/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76510a7-1d4a-4150-9ea5-4bb9281e8928/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product39.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76510a7-1d4a-4150-9ea5-4bb9281e8928/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_c76510a7-1d4a-4150-9ea5-4bb9281e8928/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 bee6f831173327ce1f460fb3d7d046a57a66e8b4 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 00:33:50,012 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:33:50,014 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:33:50,056 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:33:50,057 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:33:50,061 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:33:50,063 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:33:50,067 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:33:50,069 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:33:50,075 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:33:50,076 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:33:50,077 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:33:50,077 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:33:50,080 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:33:50,081 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:33:50,084 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:33:50,085 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:33:50,090 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:33:50,092 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:33:50,100 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:33:50,102 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:33:50,104 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:33:50,107 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:33:50,108 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:33:50,117 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:33:50,117 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:33:50,117 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:33:50,120 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:33:50,120 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:33:50,121 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:33:50,122 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:33:50,123 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:33:50,124 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:33:50,128 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:33:50,129 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:33:50,130 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:33:50,130 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:33:50,131 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:33:50,131 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:33:50,132 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:33:50,133 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:33:50,135 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76510a7-1d4a-4150-9ea5-4bb9281e8928/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-11 00:33:50,168 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:33:50,168 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:33:50,169 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:33:50,169 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:33:50,170 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:33:50,170 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:33:50,170 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:33:50,170 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:33:50,170 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:33:50,171 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:33:50,171 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:33:50,171 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:33:50,171 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:33:50,172 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:33:50,172 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:33:50,172 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:33:50,172 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:33:50,172 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:33:50,173 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:33:50,173 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:33:50,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:33:50,173 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:33:50,174 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:33:50,174 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:33:50,174 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:33:50,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:33:50,174 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:33:50,175 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:33:50,175 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_c76510a7-1d4a-4150-9ea5-4bb9281e8928/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76510a7-1d4a-4150-9ea5-4bb9281e8928/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bee6f831173327ce1f460fb3d7d046a57a66e8b4 [2021-10-11 00:33:50,443 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:33:50,475 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:33:50,479 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:33:50,480 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:33:50,481 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:33:50,483 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76510a7-1d4a-4150-9ea5-4bb9281e8928/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/minepump_spec2_product39.cil.c [2021-10-11 00:33:50,542 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76510a7-1d4a-4150-9ea5-4bb9281e8928/bin/uautomizer-Z5i5R5N3CC/data/ad924a359/8ca7b1eb3cbd495fb911d6b486e08c33/FLAGed259a401 [2021-10-11 00:33:51,025 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:33:51,025 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76510a7-1d4a-4150-9ea5-4bb9281e8928/sv-benchmarks/c/product-lines/minepump_spec2_product39.cil.c [2021-10-11 00:33:51,041 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76510a7-1d4a-4150-9ea5-4bb9281e8928/bin/uautomizer-Z5i5R5N3CC/data/ad924a359/8ca7b1eb3cbd495fb911d6b486e08c33/FLAGed259a401 [2021-10-11 00:33:51,352 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76510a7-1d4a-4150-9ea5-4bb9281e8928/bin/uautomizer-Z5i5R5N3CC/data/ad924a359/8ca7b1eb3cbd495fb911d6b486e08c33 [2021-10-11 00:33:51,354 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:33:51,356 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:33:51,357 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:33:51,357 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:33:51,360 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:33:51,360 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:33:51" (1/1) ... [2021-10-11 00:33:51,362 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a53bbd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:51, skipping insertion in model container [2021-10-11 00:33:51,362 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:33:51" (1/1) ... [2021-10-11 00:33:51,370 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:33:51,422 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:33:51,621 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_c76510a7-1d4a-4150-9ea5-4bb9281e8928/sv-benchmarks/c/product-lines/minepump_spec2_product39.cil.c[4763,4776] [2021-10-11 00:33:51,694 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:33:51,703 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:33:51,728 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_c76510a7-1d4a-4150-9ea5-4bb9281e8928/sv-benchmarks/c/product-lines/minepump_spec2_product39.cil.c[4763,4776] [2021-10-11 00:33:51,776 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:33:51,810 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:33:51,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:51 WrapperNode [2021-10-11 00:33:51,811 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:33:51,812 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:33:51,812 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:33:51,812 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:33:51,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:51" (1/1) ... [2021-10-11 00:33:51,851 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:51" (1/1) ... [2021-10-11 00:33:51,927 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:33:51,931 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:33:51,931 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:33:51,931 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:33:51,940 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:51" (1/1) ... [2021-10-11 00:33:51,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:51" (1/1) ... [2021-10-11 00:33:51,952 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:51" (1/1) ... [2021-10-11 00:33:51,952 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:51" (1/1) ... [2021-10-11 00:33:51,972 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:51" (1/1) ... [2021-10-11 00:33:51,992 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:51" (1/1) ... [2021-10-11 00:33:51,997 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:51" (1/1) ... [2021-10-11 00:33:52,001 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:33:52,002 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:33:52,002 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:33:52,002 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:33:52,003 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:51" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76510a7-1d4a-4150-9ea5-4bb9281e8928/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 00:33:52,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:33:52,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:33:52,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:33:52,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:33:53,088 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:33:53,088 INFO L299 CfgBuilder]: Removed 162 assume(true) statements. [2021-10-11 00:33:53,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:33:53 BoogieIcfgContainer [2021-10-11 00:33:53,090 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:33:53,092 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:33:53,092 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:33:53,095 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:33:53,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:33:51" (1/3) ... [2021-10-11 00:33:53,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@338ea3e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:33:53, skipping insertion in model container [2021-10-11 00:33:53,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:51" (2/3) ... [2021-10-11 00:33:53,097 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@338ea3e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:33:53, skipping insertion in model container [2021-10-11 00:33:53,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:33:53" (3/3) ... [2021-10-11 00:33:53,099 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product39.cil.c [2021-10-11 00:33:53,112 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:33:53,115 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-10-11 00:33:53,126 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-11 00:33:53,150 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:33:53,150 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:33:53,150 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:33:53,150 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:33:53,151 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:33:53,151 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:33:53,151 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:33:53,151 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:33:53,166 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2021-10-11 00:33:53,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-11 00:33:53,172 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:33:53,172 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:33:53,172 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:33:53,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:53,177 INFO L82 PathProgramCache]: Analyzing trace with hash 1255950434, now seen corresponding path program 1 times [2021-10-11 00:33:53,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:33:53,186 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232537048] [2021-10-11 00:33:53,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:33:53,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:53,477 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 00:33:53,478 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232537048] [2021-10-11 00:33:53,479 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:33:53,479 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:33:53,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991945729] [2021-10-11 00:33:53,485 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 00:33:53,485 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:33:53,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 00:33:53,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 00:33:53,503 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2021-10-11 00:33:53,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:33:53,560 INFO L93 Difference]: Finished difference Result 227 states and 348 transitions. [2021-10-11 00:33:53,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:33:53,562 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-10-11 00:33:53,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:33:53,586 INFO L225 Difference]: With dead ends: 227 [2021-10-11 00:33:53,587 INFO L226 Difference]: Without dead ends: 113 [2021-10-11 00:33:53,591 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 00:33:53,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2021-10-11 00:33:53,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2021-10-11 00:33:53,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2021-10-11 00:33:53,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 166 transitions. [2021-10-11 00:33:53,651 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 166 transitions. Word has length 18 [2021-10-11 00:33:53,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:33:53,652 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 166 transitions. [2021-10-11 00:33:53,652 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 00:33:53,653 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 166 transitions. [2021-10-11 00:33:53,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 00:33:53,656 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:33:53,656 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:33:53,656 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:33:53,657 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:33:53,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:53,660 INFO L82 PathProgramCache]: Analyzing trace with hash -1139511005, now seen corresponding path program 1 times [2021-10-11 00:33:53,660 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:33:53,660 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794100009] [2021-10-11 00:33:53,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:33:53,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:53,793 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 00:33:53,794 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794100009] [2021-10-11 00:33:53,794 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:33:53,794 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:33:53,795 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447319284] [2021-10-11 00:33:53,796 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:33:53,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:33:53,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:33:53,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:33:53,797 INFO L87 Difference]: Start difference. First operand 113 states and 166 transitions. Second operand 3 states. [2021-10-11 00:33:53,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:33:53,807 INFO L93 Difference]: Finished difference Result 113 states and 166 transitions. [2021-10-11 00:33:53,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:33:53,808 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-10-11 00:33:53,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:33:53,809 INFO L225 Difference]: With dead ends: 113 [2021-10-11 00:33:53,809 INFO L226 Difference]: Without dead ends: 49 [2021-10-11 00:33:53,810 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 00:33:53,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-10-11 00:33:53,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-10-11 00:33:53,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2021-10-11 00:33:53,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2021-10-11 00:33:53,816 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2021-10-11 00:33:53,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:33:53,816 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2021-10-11 00:33:53,816 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:33:53,817 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2021-10-11 00:33:53,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 00:33:53,818 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:33:53,818 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 00:33:53,818 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 00:33:53,818 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:33:53,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:53,819 INFO L82 PathProgramCache]: Analyzing trace with hash 2074006335, now seen corresponding path program 1 times [2021-10-11 00:33:53,819 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:33:53,820 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849462733] [2021-10-11 00:33:53,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:33:53,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:53,895 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 00:33:53,896 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849462733] [2021-10-11 00:33:53,896 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:33:53,896 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:33:53,896 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190223562] [2021-10-11 00:33:53,897 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:33:53,897 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:33:53,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:33:53,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:33:53,898 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand 3 states. [2021-10-11 00:33:53,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:33:53,920 INFO L93 Difference]: Finished difference Result 133 states and 199 transitions. [2021-10-11 00:33:53,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:33:53,921 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 00:33:53,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:33:53,922 INFO L225 Difference]: With dead ends: 133 [2021-10-11 00:33:53,924 INFO L226 Difference]: Without dead ends: 91 [2021-10-11 00:33:53,925 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 00:33:53,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2021-10-11 00:33:53,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 87. [2021-10-11 00:33:53,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2021-10-11 00:33:53,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 130 transitions. [2021-10-11 00:33:53,941 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 130 transitions. Word has length 24 [2021-10-11 00:33:53,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:33:53,942 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 130 transitions. [2021-10-11 00:33:53,942 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:33:53,942 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 130 transitions. [2021-10-11 00:33:53,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 00:33:53,945 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:33:53,945 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 00:33:53,945 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 00:33:53,945 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:33:53,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:53,946 INFO L82 PathProgramCache]: Analyzing trace with hash 1559751670, now seen corresponding path program 1 times [2021-10-11 00:33:53,946 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:33:53,947 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807394501] [2021-10-11 00:33:53,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:33:53,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:54,064 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 00:33:54,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807394501] [2021-10-11 00:33:54,065 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:33:54,065 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:33:54,065 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080420105] [2021-10-11 00:33:54,066 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:33:54,067 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:33:54,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:33:54,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:33:54,069 INFO L87 Difference]: Start difference. First operand 87 states and 130 transitions. Second operand 3 states. [2021-10-11 00:33:54,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:33:54,130 INFO L93 Difference]: Finished difference Result 210 states and 319 transitions. [2021-10-11 00:33:54,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:33:54,131 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2021-10-11 00:33:54,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:33:54,135 INFO L225 Difference]: With dead ends: 210 [2021-10-11 00:33:54,136 INFO L226 Difference]: Without dead ends: 130 [2021-10-11 00:33:54,137 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 00:33:54,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2021-10-11 00:33:54,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 128. [2021-10-11 00:33:54,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2021-10-11 00:33:54,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 188 transitions. [2021-10-11 00:33:54,157 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 188 transitions. Word has length 26 [2021-10-11 00:33:54,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:33:54,158 INFO L481 AbstractCegarLoop]: Abstraction has 128 states and 188 transitions. [2021-10-11 00:33:54,158 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:33:54,158 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 188 transitions. [2021-10-11 00:33:54,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-11 00:33:54,163 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:33:54,163 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:33:54,163 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 00:33:54,164 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:33:54,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:54,164 INFO L82 PathProgramCache]: Analyzing trace with hash -1899452984, now seen corresponding path program 1 times [2021-10-11 00:33:54,164 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:33:54,165 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103837294] [2021-10-11 00:33:54,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:33:54,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:54,263 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 00:33:54,263 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103837294] [2021-10-11 00:33:54,264 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:33:54,264 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:33:54,265 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869118152] [2021-10-11 00:33:54,265 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:33:54,265 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:33:54,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:33:54,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:33:54,268 INFO L87 Difference]: Start difference. First operand 128 states and 188 transitions. Second operand 5 states. [2021-10-11 00:33:54,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:33:54,413 INFO L93 Difference]: Finished difference Result 628 states and 933 transitions. [2021-10-11 00:33:54,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 00:33:54,414 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2021-10-11 00:33:54,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:33:54,418 INFO L225 Difference]: With dead ends: 628 [2021-10-11 00:33:54,418 INFO L226 Difference]: Without dead ends: 507 [2021-10-11 00:33:54,420 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 00:33:54,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2021-10-11 00:33:54,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 235. [2021-10-11 00:33:54,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2021-10-11 00:33:54,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 340 transitions. [2021-10-11 00:33:54,447 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 340 transitions. Word has length 27 [2021-10-11 00:33:54,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:33:54,447 INFO L481 AbstractCegarLoop]: Abstraction has 235 states and 340 transitions. [2021-10-11 00:33:54,448 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:33:54,448 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 340 transitions. [2021-10-11 00:33:54,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-11 00:33:54,449 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:33:54,449 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] [2021-10-11 00:33:54,449 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 00:33:54,449 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:33:54,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:54,450 INFO L82 PathProgramCache]: Analyzing trace with hash 961369152, now seen corresponding path program 1 times [2021-10-11 00:33:54,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:33:54,450 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625266511] [2021-10-11 00:33:54,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:33:54,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:54,545 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 00:33:54,546 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625266511] [2021-10-11 00:33:54,546 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:33:54,546 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 00:33:54,546 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888995493] [2021-10-11 00:33:54,547 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:33:54,547 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:33:54,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:33:54,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:33:54,548 INFO L87 Difference]: Start difference. First operand 235 states and 340 transitions. Second operand 5 states. [2021-10-11 00:33:54,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:33:54,667 INFO L93 Difference]: Finished difference Result 889 states and 1291 transitions. [2021-10-11 00:33:54,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 00:33:54,668 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2021-10-11 00:33:54,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:33:54,672 INFO L225 Difference]: With dead ends: 889 [2021-10-11 00:33:54,672 INFO L226 Difference]: Without dead ends: 661 [2021-10-11 00:33:54,673 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 00:33:54,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2021-10-11 00:33:54,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 233. [2021-10-11 00:33:54,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2021-10-11 00:33:54,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 334 transitions. [2021-10-11 00:33:54,695 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 334 transitions. Word has length 28 [2021-10-11 00:33:54,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:33:54,695 INFO L481 AbstractCegarLoop]: Abstraction has 233 states and 334 transitions. [2021-10-11 00:33:54,695 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:33:54,695 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 334 transitions. [2021-10-11 00:33:54,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 00:33:54,697 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:33:54,697 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:33:54,697 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-11 00:33:54,697 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:33:54,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:54,698 INFO L82 PathProgramCache]: Analyzing trace with hash 2078564813, now seen corresponding path program 1 times [2021-10-11 00:33:54,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:33:54,698 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155725875] [2021-10-11 00:33:54,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:33:54,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:54,748 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 00:33:54,748 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155725875] [2021-10-11 00:33:54,748 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:33:54,748 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:33:54,749 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762227156] [2021-10-11 00:33:54,749 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:33:54,749 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:33:54,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:33:54,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:33:54,750 INFO L87 Difference]: Start difference. First operand 233 states and 334 transitions. Second operand 5 states. [2021-10-11 00:33:54,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:33:54,835 INFO L93 Difference]: Finished difference Result 639 states and 901 transitions. [2021-10-11 00:33:54,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 00:33:54,836 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2021-10-11 00:33:54,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:33:54,839 INFO L225 Difference]: With dead ends: 639 [2021-10-11 00:33:54,839 INFO L226 Difference]: Without dead ends: 413 [2021-10-11 00:33:54,840 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 00:33:54,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2021-10-11 00:33:54,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 257. [2021-10-11 00:33:54,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2021-10-11 00:33:54,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 358 transitions. [2021-10-11 00:33:54,861 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 358 transitions. Word has length 33 [2021-10-11 00:33:54,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:33:54,861 INFO L481 AbstractCegarLoop]: Abstraction has 257 states and 358 transitions. [2021-10-11 00:33:54,861 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:33:54,861 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 358 transitions. [2021-10-11 00:33:54,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 00:33:54,862 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:33:54,863 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:33:54,863 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-11 00:33:54,863 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:33:54,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:54,864 INFO L82 PathProgramCache]: Analyzing trace with hash -1515337905, now seen corresponding path program 1 times [2021-10-11 00:33:54,864 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:33:54,864 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149556857] [2021-10-11 00:33:54,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:33:54,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:54,913 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 00:33:54,913 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149556857] [2021-10-11 00:33:54,913 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:33:54,913 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:33:54,914 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131862858] [2021-10-11 00:33:54,914 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 00:33:54,914 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:33:54,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:33:54,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:33:54,915 INFO L87 Difference]: Start difference. First operand 257 states and 358 transitions. Second operand 5 states. [2021-10-11 00:33:55,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:33:55,024 INFO L93 Difference]: Finished difference Result 723 states and 986 transitions. [2021-10-11 00:33:55,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 00:33:55,025 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2021-10-11 00:33:55,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:33:55,028 INFO L225 Difference]: With dead ends: 723 [2021-10-11 00:33:55,028 INFO L226 Difference]: Without dead ends: 473 [2021-10-11 00:33:55,029 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 00:33:55,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2021-10-11 00:33:55,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 273. [2021-10-11 00:33:55,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2021-10-11 00:33:55,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 374 transitions. [2021-10-11 00:33:55,069 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 374 transitions. Word has length 33 [2021-10-11 00:33:55,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:33:55,070 INFO L481 AbstractCegarLoop]: Abstraction has 273 states and 374 transitions. [2021-10-11 00:33:55,070 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 00:33:55,070 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 374 transitions. [2021-10-11 00:33:55,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 00:33:55,071 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:33:55,071 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:33:55,071 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-11 00:33:55,072 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:33:55,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:55,072 INFO L82 PathProgramCache]: Analyzing trace with hash -2102143919, now seen corresponding path program 1 times [2021-10-11 00:33:55,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:33:55,073 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520388470] [2021-10-11 00:33:55,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:33:55,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:55,115 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 00:33:55,115 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520388470] [2021-10-11 00:33:55,115 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:33:55,116 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:33:55,116 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74043942] [2021-10-11 00:33:55,116 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:33:55,117 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:33:55,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:33:55,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:33:55,118 INFO L87 Difference]: Start difference. First operand 273 states and 374 transitions. Second operand 3 states. [2021-10-11 00:33:55,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:33:55,167 INFO L93 Difference]: Finished difference Result 643 states and 875 transitions. [2021-10-11 00:33:55,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:33:55,167 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2021-10-11 00:33:55,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:33:55,170 INFO L225 Difference]: With dead ends: 643 [2021-10-11 00:33:55,170 INFO L226 Difference]: Without dead ends: 377 [2021-10-11 00:33:55,171 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 00:33:55,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2021-10-11 00:33:55,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 377. [2021-10-11 00:33:55,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 377 states. [2021-10-11 00:33:55,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 500 transitions. [2021-10-11 00:33:55,207 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 500 transitions. Word has length 33 [2021-10-11 00:33:55,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:33:55,207 INFO L481 AbstractCegarLoop]: Abstraction has 377 states and 500 transitions. [2021-10-11 00:33:55,207 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:33:55,207 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 500 transitions. [2021-10-11 00:33:55,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-11 00:33:55,208 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:33:55,208 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 00:33:55,209 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-11 00:33:55,209 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:33:55,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:55,209 INFO L82 PathProgramCache]: Analyzing trace with hash -207511791, now seen corresponding path program 1 times [2021-10-11 00:33:55,210 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:33:55,210 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518979239] [2021-10-11 00:33:55,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:33:55,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:55,249 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 00:33:55,249 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518979239] [2021-10-11 00:33:55,249 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:33:55,249 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:33:55,250 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778519759] [2021-10-11 00:33:55,250 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:33:55,250 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:33:55,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:33:55,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:33:55,251 INFO L87 Difference]: Start difference. First operand 377 states and 500 transitions. Second operand 3 states. [2021-10-11 00:33:55,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:33:55,313 INFO L93 Difference]: Finished difference Result 579 states and 775 transitions. [2021-10-11 00:33:55,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:33:55,314 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2021-10-11 00:33:55,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:33:55,317 INFO L225 Difference]: With dead ends: 579 [2021-10-11 00:33:55,317 INFO L226 Difference]: Without dead ends: 577 [2021-10-11 00:33:55,318 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 00:33:55,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2021-10-11 00:33:55,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 460. [2021-10-11 00:33:55,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 460 states. [2021-10-11 00:33:55,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 624 transitions. [2021-10-11 00:33:55,366 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 624 transitions. Word has length 34 [2021-10-11 00:33:55,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:33:55,366 INFO L481 AbstractCegarLoop]: Abstraction has 460 states and 624 transitions. [2021-10-11 00:33:55,366 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:33:55,366 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 624 transitions. [2021-10-11 00:33:55,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-11 00:33:55,368 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:33:55,368 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:33:55,368 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-11 00:33:55,368 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:33:55,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:55,369 INFO L82 PathProgramCache]: Analyzing trace with hash 1115593900, now seen corresponding path program 1 times [2021-10-11 00:33:55,369 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:33:55,369 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15390800] [2021-10-11 00:33:55,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:33:55,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:55,417 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-11 00:33:55,417 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15390800] [2021-10-11 00:33:55,417 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:33:55,417 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:33:55,418 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004455270] [2021-10-11 00:33:55,418 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:33:55,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:33:55,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:33:55,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:33:55,419 INFO L87 Difference]: Start difference. First operand 460 states and 624 transitions. Second operand 3 states. [2021-10-11 00:33:55,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:33:55,495 INFO L93 Difference]: Finished difference Result 552 states and 745 transitions. [2021-10-11 00:33:55,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:33:55,495 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2021-10-11 00:33:55,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:33:55,497 INFO L225 Difference]: With dead ends: 552 [2021-10-11 00:33:55,498 INFO L226 Difference]: Without dead ends: 228 [2021-10-11 00:33:55,498 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 00:33:55,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2021-10-11 00:33:55,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2021-10-11 00:33:55,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2021-10-11 00:33:55,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 297 transitions. [2021-10-11 00:33:55,533 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 297 transitions. Word has length 54 [2021-10-11 00:33:55,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:33:55,533 INFO L481 AbstractCegarLoop]: Abstraction has 228 states and 297 transitions. [2021-10-11 00:33:55,533 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:33:55,533 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 297 transitions. [2021-10-11 00:33:55,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-11 00:33:55,535 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:33:55,535 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:33:55,535 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-11 00:33:55,537 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:33:55,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:55,537 INFO L82 PathProgramCache]: Analyzing trace with hash -540947520, now seen corresponding path program 1 times [2021-10-11 00:33:55,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:33:55,538 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136007748] [2021-10-11 00:33:55,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:33:55,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:55,656 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-11 00:33:55,657 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136007748] [2021-10-11 00:33:55,660 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [523618131] [2021-10-11 00:33:55,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76510a7-1d4a-4150-9ea5-4bb9281e8928/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:33:55,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:55,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 00:33:55,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:33:55,994 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-11 00:33:55,994 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-11 00:33:55,994 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 12 [2021-10-11 00:33:55,995 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839566429] [2021-10-11 00:33:55,995 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 00:33:55,995 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:33:55,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 00:33:55,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2021-10-11 00:33:55,996 INFO L87 Difference]: Start difference. First operand 228 states and 297 transitions. Second operand 6 states. [2021-10-11 00:33:56,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:33:56,194 INFO L93 Difference]: Finished difference Result 720 states and 937 transitions. [2021-10-11 00:33:56,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-11 00:33:56,195 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2021-10-11 00:33:56,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:33:56,199 INFO L225 Difference]: With dead ends: 720 [2021-10-11 00:33:56,199 INFO L226 Difference]: Without dead ends: 499 [2021-10-11 00:33:56,200 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2021-10-11 00:33:56,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2021-10-11 00:33:56,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 205. [2021-10-11 00:33:56,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2021-10-11 00:33:56,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 260 transitions. [2021-10-11 00:33:56,226 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 260 transitions. Word has length 56 [2021-10-11 00:33:56,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:33:56,228 INFO L481 AbstractCegarLoop]: Abstraction has 205 states and 260 transitions. [2021-10-11 00:33:56,228 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 00:33:56,228 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 260 transitions. [2021-10-11 00:33:56,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-11 00:33:56,229 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:33:56,229 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:33:56,445 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-10-11 00:33:56,446 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 00:33:56,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:56,446 INFO L82 PathProgramCache]: Analyzing trace with hash -2106888905, now seen corresponding path program 1 times [2021-10-11 00:33:56,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:33:56,447 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664466785] [2021-10-11 00:33:56,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:33:56,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:56,516 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:33:56,517 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664466785] [2021-10-11 00:33:56,517 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [776983426] [2021-10-11 00:33:56,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76510a7-1d4a-4150-9ea5-4bb9281e8928/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 00:33:56,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:56,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 00:33:56,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:33:56,759 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:33:56,759 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-11 00:33:56,759 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-10-11 00:33:56,759 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663085732] [2021-10-11 00:33:56,760 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 00:33:56,760 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:33:56,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:33:56,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:33:56,761 INFO L87 Difference]: Start difference. First operand 205 states and 260 transitions. Second operand 3 states. [2021-10-11 00:33:56,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:33:56,834 INFO L93 Difference]: Finished difference Result 325 states and 420 transitions. [2021-10-11 00:33:56,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:33:56,835 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2021-10-11 00:33:56,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 00:33:56,835 INFO L225 Difference]: With dead ends: 325 [2021-10-11 00:33:56,835 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 00:33:56,836 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:33:56,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 00:33:56,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 00:33:56,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 00:33:56,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:33:56,837 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2021-10-11 00:33:56,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 00:33:56,837 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:33:56,837 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 00:33:56,837 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:33:56,838 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 00:33:57,057 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-10-11 00:33:57,059 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 00:33:57,217 WARN L197 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 65 [2021-10-11 00:33:57,397 WARN L197 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 99 [2021-10-11 00:33:57,722 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 94 [2021-10-11 00:33:57,983 WARN L197 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 104 [2021-10-11 00:33:58,104 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 91 [2021-10-11 00:33:58,481 WARN L197 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 6 [2021-10-11 00:33:58,966 WARN L197 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 27 [2021-10-11 00:33:59,080 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 20 [2021-10-11 00:33:59,317 WARN L197 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 28 [2021-10-11 00:33:59,685 WARN L197 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 28 [2021-10-11 00:34:00,090 WARN L197 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 28 [2021-10-11 00:34:00,346 WARN L197 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 28 [2021-10-11 00:34:00,858 WARN L197 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 25 [2021-10-11 00:34:01,144 WARN L197 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 28 [2021-10-11 00:34:01,347 WARN L197 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 25 [2021-10-11 00:34:01,418 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 292) no Hoare annotation was computed. [2021-10-11 00:34:01,418 INFO L262 CegarLoopResult]: For program point L432(lines 432 449) no Hoare annotation was computed. [2021-10-11 00:34:01,419 INFO L262 CegarLoopResult]: For program point L432-1(lines 432 449) no Hoare annotation was computed. [2021-10-11 00:34:01,419 INFO L262 CegarLoopResult]: For program point L432-2(lines 432 449) no Hoare annotation was computed. [2021-10-11 00:34:01,419 INFO L258 CegarLoopResult]: At program point L137(lines 128 141) the Hoare annotation is: false [2021-10-11 00:34:01,419 INFO L258 CegarLoopResult]: At program point L137-1(lines 128 141) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~methaneLevelCritical~0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2) (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (= ~methAndRunningLastTime~0 0)))) [2021-10-11 00:34:01,419 INFO L258 CegarLoopResult]: At program point L137-2(lines 128 141) the Hoare annotation is: false [2021-10-11 00:34:01,420 INFO L258 CegarLoopResult]: At program point L137-3(lines 128 141) the Hoare annotation is: false [2021-10-11 00:34:01,420 INFO L258 CegarLoopResult]: At program point L137-4(lines 128 141) the Hoare annotation is: false [2021-10-11 00:34:01,420 INFO L258 CegarLoopResult]: At program point L137-5(lines 128 141) the Hoare annotation is: false [2021-10-11 00:34:01,420 INFO L262 CegarLoopResult]: For program point L534(lines 534 538) no Hoare annotation was computed. [2021-10-11 00:34:01,420 INFO L262 CegarLoopResult]: For program point L534-2(lines 534 538) no Hoare annotation was computed. [2021-10-11 00:34:01,420 INFO L262 CegarLoopResult]: For program point L534-3(lines 534 538) no Hoare annotation was computed. [2021-10-11 00:34:01,420 INFO L262 CegarLoopResult]: For program point L534-5(lines 534 538) no Hoare annotation was computed. [2021-10-11 00:34:01,421 INFO L262 CegarLoopResult]: For program point L534-6(lines 534 538) no Hoare annotation was computed. [2021-10-11 00:34:01,421 INFO L262 CegarLoopResult]: For program point L270(lines 270 280) no Hoare annotation was computed. [2021-10-11 00:34:01,421 INFO L262 CegarLoopResult]: For program point L534-8(lines 534 538) no Hoare annotation was computed. [2021-10-11 00:34:01,421 INFO L262 CegarLoopResult]: For program point L534-9(lines 534 538) no Hoare annotation was computed. [2021-10-11 00:34:01,421 INFO L258 CegarLoopResult]: At program point L204(lines 200 206) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2021-10-11 00:34:01,421 INFO L262 CegarLoopResult]: For program point L270-2(lines 270 280) no Hoare annotation was computed. [2021-10-11 00:34:01,421 INFO L262 CegarLoopResult]: For program point L534-11(lines 534 538) no Hoare annotation was computed. [2021-10-11 00:34:01,422 INFO L262 CegarLoopResult]: For program point L534-12(lines 534 538) no Hoare annotation was computed. [2021-10-11 00:34:01,422 INFO L262 CegarLoopResult]: For program point L270-4(lines 270 280) no Hoare annotation was computed. [2021-10-11 00:34:01,422 INFO L262 CegarLoopResult]: For program point L534-14(lines 534 538) no Hoare annotation was computed. [2021-10-11 00:34:01,422 INFO L262 CegarLoopResult]: For program point L534-15(lines 534 538) no Hoare annotation was computed. [2021-10-11 00:34:01,422 INFO L262 CegarLoopResult]: For program point L534-17(lines 534 538) no Hoare annotation was computed. [2021-10-11 00:34:01,422 INFO L262 CegarLoopResult]: For program point L436(lines 436 444) no Hoare annotation was computed. [2021-10-11 00:34:01,422 INFO L262 CegarLoopResult]: For program point L436-1(lines 436 444) no Hoare annotation was computed. [2021-10-11 00:34:01,422 INFO L262 CegarLoopResult]: For program point L436-2(lines 436 444) no Hoare annotation was computed. [2021-10-11 00:34:01,423 INFO L262 CegarLoopResult]: For program point L271(lines 271 277) no Hoare annotation was computed. [2021-10-11 00:34:01,423 INFO L262 CegarLoopResult]: For program point L271-2(lines 271 277) no Hoare annotation was computed. [2021-10-11 00:34:01,423 INFO L262 CegarLoopResult]: For program point L271-4(lines 271 277) no Hoare annotation was computed. [2021-10-11 00:34:01,423 INFO L262 CegarLoopResult]: For program point L338(lines 338 351) no Hoare annotation was computed. [2021-10-11 00:34:01,423 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 292) no Hoare annotation was computed. [2021-10-11 00:34:01,423 INFO L262 CegarLoopResult]: For program point L406(lines 406 423) no Hoare annotation was computed. [2021-10-11 00:34:01,423 INFO L262 CegarLoopResult]: For program point L406-1(lines 406 423) no Hoare annotation was computed. [2021-10-11 00:34:01,424 INFO L262 CegarLoopResult]: For program point L406-2(lines 406 423) no Hoare annotation was computed. [2021-10-11 00:34:01,424 INFO L262 CegarLoopResult]: For program point L406-3(lines 406 423) no Hoare annotation was computed. [2021-10-11 00:34:01,424 INFO L262 CegarLoopResult]: For program point L406-4(lines 406 423) no Hoare annotation was computed. [2021-10-11 00:34:01,424 INFO L262 CegarLoopResult]: For program point L406-5(lines 406 423) no Hoare annotation was computed. [2021-10-11 00:34:01,424 INFO L258 CegarLoopResult]: At program point L374(lines 373 392) the Hoare annotation is: (let ((.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= ~methAndRunningLastTime~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and (= 0 ~systemActive~0) .cse2 .cse3) (and .cse4 .cse0 .cse3 .cse5 .cse6) (and .cse4 .cse0 .cse3 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse5) (and .cse4 .cse0 .cse1 .cse3) (and .cse0 .cse2 .cse3 .cse5 .cse6))) [2021-10-11 00:34:01,424 INFO L262 CegarLoopResult]: For program point L374-1(lines 374 380) no Hoare annotation was computed. [2021-10-11 00:34:01,425 INFO L258 CegarLoopResult]: At program point L374-2(lines 373 392) the Hoare annotation is: false [2021-10-11 00:34:01,425 INFO L258 CegarLoopResult]: At program point L374-3(lines 373 392) the Hoare annotation is: false [2021-10-11 00:34:01,425 INFO L265 CegarLoopResult]: At program point L242(lines 223 245) the Hoare annotation is: true [2021-10-11 00:34:01,425 INFO L258 CegarLoopResult]: At program point L540(lines 525 543) the Hoare annotation is: false [2021-10-11 00:34:01,425 INFO L258 CegarLoopResult]: At program point L540-1(lines 525 543) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~methaneLevelCritical~0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2) (and (not (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0)) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 0) .cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 (= ~methAndRunningLastTime~0 0)))) [2021-10-11 00:34:01,426 INFO L258 CegarLoopResult]: At program point L540-2(lines 525 543) the Hoare annotation is: false [2021-10-11 00:34:01,426 INFO L258 CegarLoopResult]: At program point L540-3(lines 525 543) the Hoare annotation is: false [2021-10-11 00:34:01,426 INFO L258 CegarLoopResult]: At program point L540-4(lines 525 543) the Hoare annotation is: false [2021-10-11 00:34:01,426 INFO L258 CegarLoopResult]: At program point L540-5(lines 525 543) the Hoare annotation is: false [2021-10-11 00:34:01,426 INFO L262 CegarLoopResult]: For program point L309(lines 308 355) no Hoare annotation was computed. [2021-10-11 00:34:01,426 INFO L262 CegarLoopResult]: For program point L310(lines 310 314) no Hoare annotation was computed. [2021-10-11 00:34:01,426 INFO L262 CegarLoopResult]: For program point L79(lines 79 83) no Hoare annotation was computed. [2021-10-11 00:34:01,427 INFO L258 CegarLoopResult]: At program point L476(lines 469 479) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse2) (and .cse0 (<= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse1 .cse2 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= 1 ~methaneLevelCritical~0)))) [2021-10-11 00:34:01,427 INFO L258 CegarLoopResult]: At program point L476-1(lines 469 479) the Hoare annotation is: false [2021-10-11 00:34:01,427 INFO L262 CegarLoopResult]: For program point L410(lines 410 418) no Hoare annotation was computed. [2021-10-11 00:34:01,427 INFO L258 CegarLoopResult]: At program point L476-2(lines 469 479) the Hoare annotation is: false [2021-10-11 00:34:01,427 INFO L262 CegarLoopResult]: For program point L410-1(lines 410 418) no Hoare annotation was computed. [2021-10-11 00:34:01,427 INFO L262 CegarLoopResult]: For program point L344(lines 344 350) no Hoare annotation was computed. [2021-10-11 00:34:01,427 INFO L262 CegarLoopResult]: For program point L410-2(lines 410 418) no Hoare annotation was computed. [2021-10-11 00:34:01,428 INFO L258 CegarLoopResult]: At program point L344-1(lines 374 380) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= ~methAndRunningLastTime~0 0))) (or (and (= 0 ~systemActive~0) .cse0 .cse1) (and .cse2 .cse3 .cse1 .cse4 .cse5) (and .cse2 .cse3 .cse1 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse4) (and .cse2 .cse3 .cse6 .cse1) (and .cse3 .cse6 .cse0 .cse1 .cse5) (and .cse3 .cse0 .cse1 .cse4 .cse5))) [2021-10-11 00:34:01,428 INFO L262 CegarLoopResult]: For program point L410-3(lines 410 418) no Hoare annotation was computed. [2021-10-11 00:34:01,428 INFO L262 CegarLoopResult]: For program point L410-4(lines 410 418) no Hoare annotation was computed. [2021-10-11 00:34:01,428 INFO L262 CegarLoopResult]: For program point L410-5(lines 410 418) no Hoare annotation was computed. [2021-10-11 00:34:01,428 INFO L258 CegarLoopResult]: At program point L381(lines 381 387) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and (= 0 ~systemActive~0) .cse2 .cse3) (and .cse4 .cse0 .cse3 .cse5 (= ~methAndRunningLastTime~0 0)) (and .cse0 .cse2 .cse3 .cse5) (and .cse4 .cse0 .cse1 .cse3))) [2021-10-11 00:34:01,428 INFO L258 CegarLoopResult]: At program point L381-1(lines 381 387) the Hoare annotation is: false [2021-10-11 00:34:01,429 INFO L258 CegarLoopResult]: At program point L381-2(lines 381 387) the Hoare annotation is: false [2021-10-11 00:34:01,429 INFO L262 CegarLoopResult]: For program point L548(lines 548 554) no Hoare annotation was computed. [2021-10-11 00:34:01,429 INFO L258 CegarLoopResult]: At program point L548-1(lines 548 554) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-10-11 00:34:01,429 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 00:34:01,429 INFO L258 CegarLoopResult]: At program point L582(lines 1 959) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2021-10-11 00:34:01,429 INFO L262 CegarLoopResult]: For program point L318(lines 318 324) no Hoare annotation was computed. [2021-10-11 00:34:01,430 INFO L258 CegarLoopResult]: At program point L318-1(lines 318 324) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= ~methAndRunningLastTime~0 0))) (or (and (= 0 ~systemActive~0) .cse0 .cse1 .cse2) (and (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~1 0) .cse3 .cse4 .cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2) (and .cse3 .cse5 .cse1 .cse6 .cse7) (and .cse5 .cse4 .cse0 .cse1 .cse2) (and .cse5 .cse0 .cse1 .cse6 .cse7 .cse2))) [2021-10-11 00:34:01,430 INFO L262 CegarLoopResult]: For program point L55(lines 55 59) no Hoare annotation was computed. [2021-10-11 00:34:01,430 INFO L262 CegarLoopResult]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2021-10-11 00:34:01,430 INFO L262 CegarLoopResult]: For program point L55-6(lines 55 59) no Hoare annotation was computed. [2021-10-11 00:34:01,430 INFO L258 CegarLoopResult]: At program point L485(lines 480 488) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse5 (<= 1 ~methaneLevelCritical~0))) (or (and (= 0 ~systemActive~0) .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse1 .cse2 .cse4 .cse5) (and (<= 1 ~pumpRunning~0) .cse3 .cse2 .cse4 .cse5 (= ~methAndRunningLastTime~0 0)))) [2021-10-11 00:34:01,430 INFO L258 CegarLoopResult]: At program point L485-1(lines 480 488) the Hoare annotation is: false [2021-10-11 00:34:01,431 INFO L258 CegarLoopResult]: At program point L485-2(lines 480 488) the Hoare annotation is: false [2021-10-11 00:34:01,431 INFO L258 CegarLoopResult]: At program point L155-2(lines 155 169) the Hoare annotation is: false [2021-10-11 00:34:01,431 INFO L258 CegarLoopResult]: At program point L255(lines 250 257) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2021-10-11 00:34:01,431 INFO L262 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2021-10-11 00:34:01,431 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 00:34:01,431 INFO L258 CegarLoopResult]: At program point L356(lines 307 357) the Hoare annotation is: false [2021-10-11 00:34:01,431 INFO L258 CegarLoopResult]: At program point L92(lines 87 95) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse2) (and .cse0 .cse1 .cse2 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= 1 ~methaneLevelCritical~0)))) [2021-10-11 00:34:01,432 INFO L258 CegarLoopResult]: At program point L92-1(lines 87 95) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse3 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse4 (<= 1 ~methaneLevelCritical~0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse6 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (= 0 ~systemActive~0) .cse1 .cse2) (and .cse5 .cse0 .cse6 .cse1 .cse2) (and .cse7 .cse0 .cse2 .cse3 .cse4 (= ~methAndRunningLastTime~0 0)) (and .cse7 .cse5 .cse0 .cse6 .cse2))) [2021-10-11 00:34:01,432 INFO L258 CegarLoopResult]: At program point L92-2(lines 87 95) the Hoare annotation is: false [2021-10-11 00:34:01,432 INFO L258 CegarLoopResult]: At program point L92-3(lines 87 95) the Hoare annotation is: false [2021-10-11 00:34:01,432 INFO L258 CegarLoopResult]: At program point L92-4(lines 87 95) the Hoare annotation is: false [2021-10-11 00:34:01,432 INFO L258 CegarLoopResult]: At program point L92-5(lines 87 95) the Hoare annotation is: false [2021-10-11 00:34:01,432 INFO L262 CegarLoopResult]: For program point L159(lines 159 163) no Hoare annotation was computed. [2021-10-11 00:34:01,433 INFO L262 CegarLoopResult]: For program point L159-1(lines 374 380) no Hoare annotation was computed. [2021-10-11 00:34:01,433 INFO L262 CegarLoopResult]: For program point L292(line 292) no Hoare annotation was computed. [2021-10-11 00:34:01,433 INFO L262 CegarLoopResult]: For program point L292-1(line 292) no Hoare annotation was computed. [2021-10-11 00:34:01,433 INFO L262 CegarLoopResult]: For program point L292-2(line 292) no Hoare annotation was computed. [2021-10-11 00:34:01,433 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 00:34:01,433 INFO L258 CegarLoopResult]: At program point L590(lines 585 593) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2021-10-11 00:34:01,433 INFO L262 CegarLoopResult]: For program point L328(lines 328 334) no Hoare annotation was computed. [2021-10-11 00:34:01,434 INFO L258 CegarLoopResult]: At program point L328-1(lines 328 334) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= ~methAndRunningLastTime~0 0))) (or (and (= 0 ~systemActive~0) .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse1 .cse5 .cse2) (and .cse3 .cse4 .cse1 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse5) (and .cse3 .cse4 .cse6 .cse1) (and .cse4 .cse6 .cse0 .cse1 .cse2) (and .cse4 .cse0 .cse1 .cse5 .cse2))) [2021-10-11 00:34:01,434 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 00:34:01,434 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 292) no Hoare annotation was computed. [2021-10-11 00:34:01,434 INFO L262 CegarLoopResult]: For program point L132(lines 132 138) no Hoare annotation was computed. [2021-10-11 00:34:01,434 INFO L262 CegarLoopResult]: For program point L132-1(lines 132 138) no Hoare annotation was computed. [2021-10-11 00:34:01,434 INFO L262 CegarLoopResult]: For program point L132-2(lines 132 138) no Hoare annotation was computed. [2021-10-11 00:34:01,435 INFO L262 CegarLoopResult]: For program point L132-3(lines 132 138) no Hoare annotation was computed. [2021-10-11 00:34:01,435 INFO L262 CegarLoopResult]: For program point L132-4(lines 132 138) no Hoare annotation was computed. [2021-10-11 00:34:01,435 INFO L262 CegarLoopResult]: For program point L132-5(lines 132 138) no Hoare annotation was computed. [2021-10-11 00:34:01,435 INFO L262 CegarLoopResult]: For program point L67(lines 67 71) no Hoare annotation was computed. [2021-10-11 00:34:01,435 INFO L262 CegarLoopResult]: For program point L266(lines 266 283) no Hoare annotation was computed. [2021-10-11 00:34:01,435 INFO L262 CegarLoopResult]: For program point L233(lines 233 240) no Hoare annotation was computed. [2021-10-11 00:34:01,435 INFO L258 CegarLoopResult]: At program point L266-1(lines 1 959) the Hoare annotation is: (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= ~methAndRunningLastTime~0 0))) (or (and (= 0 ~systemActive~0) .cse0 .cse1 .cse2) (and (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~1 0) .cse3 .cse4 .cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2) (and .cse3 .cse5 .cse1 .cse6 .cse7) (and .cse5 .cse4 .cse0 .cse1 .cse2) (and .cse5 .cse0 .cse1 .cse6 .cse7 .cse2))) [2021-10-11 00:34:01,436 INFO L262 CegarLoopResult]: For program point L266-2(lines 266 283) no Hoare annotation was computed. [2021-10-11 00:34:01,436 INFO L265 CegarLoopResult]: At program point L233-1(lines 233 240) the Hoare annotation is: true [2021-10-11 00:34:01,436 INFO L258 CegarLoopResult]: At program point L266-3(lines 1 959) the Hoare annotation is: false [2021-10-11 00:34:01,436 INFO L262 CegarLoopResult]: For program point L266-4(lines 266 283) no Hoare annotation was computed. [2021-10-11 00:34:01,436 INFO L258 CegarLoopResult]: At program point L266-5(lines 1 959) the Hoare annotation is: false [2021-10-11 00:34:01,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:34:01 BoogieIcfgContainer [2021-10-11 00:34:01,467 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:34:01,468 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:34:01,468 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:34:01,468 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:34:01,469 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:33:53" (3/4) ... [2021-10-11 00:34:01,472 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 00:34:01,492 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-11 00:34:01,493 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-11 00:34:01,494 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-11 00:34:01,496 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 00:34:01,497 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 00:34:01,498 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:34:01,499 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 00:34:01,524 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) || ((((((tmp == 0 && 1 <= pumpRunning) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) [2021-10-11 00:34:01,525 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) || ((((((tmp == 0 && 1 <= pumpRunning) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) [2021-10-11 00:34:01,525 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical)) || (((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) [2021-10-11 00:34:01,526 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical)) || (((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) [2021-10-11 00:34:01,526 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical)) || (((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) [2021-10-11 00:34:01,527 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) || ((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0)) || ((((methaneLevelCritical == 0 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0)) || ((((1 <= pumpRunning && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) [2021-10-11 00:34:01,528 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) [2021-10-11 00:34:01,529 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) || (((((1 <= pumpRunning && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) [2021-10-11 00:34:01,529 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((!(\result == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) [2021-10-11 00:34:01,529 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical)) || (((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) [2021-10-11 00:34:01,530 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((((!(tmp == 0) && tmp___0 == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) [2021-10-11 00:34:01,595 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76510a7-1d4a-4150-9ea5-4bb9281e8928/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:34:01,595 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:34:01,596 INFO L168 Benchmark]: Toolchain (without parser) took 10240.30 ms. Allocated memory was 100.7 MB in the beginning and 222.3 MB in the end (delta: 121.6 MB). Free memory was 67.2 MB in the beginning and 90.3 MB in the end (delta: -23.1 MB). Peak memory consumption was 96.7 MB. Max. memory is 16.1 GB. [2021-10-11 00:34:01,597 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 73.4 MB. Free memory was 32.2 MB in the beginning and 32.1 MB in the end (delta: 70.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:34:01,597 INFO L168 Benchmark]: CACSL2BoogieTranslator took 454.22 ms. Allocated memory is still 100.7 MB. Free memory was 67.0 MB in the beginning and 67.1 MB in the end (delta: -158.5 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:34:01,598 INFO L168 Benchmark]: Boogie Procedure Inliner took 118.08 ms. Allocated memory is still 100.7 MB. Free memory was 66.6 MB in the beginning and 62.9 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:34:01,598 INFO L168 Benchmark]: Boogie Preprocessor took 70.20 ms. Allocated memory is still 100.7 MB. Free memory was 62.9 MB in the beginning and 60.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:34:01,598 INFO L168 Benchmark]: RCFGBuilder took 1088.73 ms. Allocated memory is still 100.7 MB. Free memory was 60.3 MB in the beginning and 42.8 MB in the end (delta: 17.5 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:34:01,599 INFO L168 Benchmark]: TraceAbstraction took 8375.39 ms. Allocated memory was 100.7 MB in the beginning and 222.3 MB in the end (delta: 121.6 MB). Free memory was 42.8 MB in the beginning and 100.8 MB in the end (delta: -58.0 MB). Peak memory consumption was 102.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:34:01,599 INFO L168 Benchmark]: Witness Printer took 127.67 ms. Allocated memory is still 222.3 MB. Free memory was 99.7 MB in the beginning and 90.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:34:01,601 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 73.4 MB. Free memory was 32.2 MB in the beginning and 32.1 MB in the end (delta: 70.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 454.22 ms. Allocated memory is still 100.7 MB. Free memory was 67.0 MB in the beginning and 67.1 MB in the end (delta: -158.5 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 118.08 ms. Allocated memory is still 100.7 MB. Free memory was 66.6 MB in the beginning and 62.9 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 70.20 ms. Allocated memory is still 100.7 MB. Free memory was 62.9 MB in the beginning and 60.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1088.73 ms. Allocated memory is still 100.7 MB. Free memory was 60.3 MB in the beginning and 42.8 MB in the end (delta: 17.5 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 8375.39 ms. Allocated memory was 100.7 MB in the beginning and 222.3 MB in the end (delta: 121.6 MB). Free memory was 42.8 MB in the beginning and 100.8 MB in the end (delta: -58.0 MB). Peak memory consumption was 102.3 MB. Max. memory is 16.1 GB. * Witness Printer took 127.67 ms. Allocated memory is still 222.3 MB. Free memory was 99.7 MB in the beginning and 90.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 292]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 292]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 292]: 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: 307]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 548]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical)) || (((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((!(\result == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 250]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: ((((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) || ((((((tmp == 0 && 1 <= pumpRunning) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 480]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 480]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) || ((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0)) || ((((methaneLevelCritical == 0 && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0)) || ((((1 <= pumpRunning && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 374]: Loop Invariant Derived loop invariant: ((((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical)) || (((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 233]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) || ((((((tmp == 0 && 1 <= pumpRunning) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || (((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0)) || (((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical)) || (((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0) - InvariantResult [Line: 328]: Loop Invariant Derived loop invariant: (((((((0 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical)) || (((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && splverifierCounter == 0)) || ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 469]: Loop Invariant Derived loop invariant: ((((1 <= pumpRunning && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && splverifierCounter == 0) || (((((1 <= pumpRunning && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 469]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: ((((1 == systemActive && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((((!(tmp == 0) && tmp___0 == 0) && 1 == systemActive) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical)) || ((((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) - InvariantResult [Line: 480]: Loop Invariant Derived loop invariant: ((((0 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || (((((1 == systemActive && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical)) || (((((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && 1 <= \result) && 1 <= methaneLevelCritical) && methAndRunningLastTime == 0) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 469]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 117 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.9s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1241 SDtfs, 1403 SDslu, 1909 SDs, 0 SdLazy, 243 SolverSat, 61 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 186 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=460occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 1473 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 154 NumberOfFragments, 902 HoareAnnotationTreeSize, 45 FomulaSimplifications, 246008 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 45 FomulaSimplificationsInter, 22379 FormulaSimplificationTreeSizeReductionInter, 3.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 557 NumberOfCodeBlocks, 557 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 542 ConstructedInterpolants, 0 QuantifiedInterpolants, 48360 SizeOfPredicates, 5 NumberOfNonLiveVariables, 880 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 79/98 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...