./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968c02f2-3219-49bf-afb5-f9e28808dfc7/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968c02f2-3219-49bf-afb5-f9e28808dfc7/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968c02f2-3219-49bf-afb5-f9e28808dfc7/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968c02f2-3219-49bf-afb5-f9e28808dfc7/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968c02f2-3219-49bf-afb5-f9e28808dfc7/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968c02f2-3219-49bf-afb5-f9e28808dfc7/bin/uautomizer-GMMbpWq8iD --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 ca9ad45e9cd0fa7cfc478092837003ff1c91f26680d4fb1c37c440560090c9e6 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:20:14,933 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:20:14,936 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:20:15,005 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:20:15,006 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:20:15,010 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:20:15,012 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:20:15,016 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:20:15,019 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:20:15,025 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:20:15,026 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:20:15,028 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:20:15,029 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:20:15,031 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:20:15,034 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:20:15,051 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:20:15,054 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:20:15,055 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:20:15,058 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:20:15,068 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:20:15,070 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:20:15,071 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:20:15,075 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:20:15,076 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:20:15,085 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:20:15,086 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:20:15,086 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:20:15,088 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:20:15,089 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:20:15,091 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:20:15,091 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:20:15,092 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:20:15,094 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:20:15,095 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:20:15,097 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:20:15,097 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:20:15,098 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:20:15,098 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:20:15,098 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:20:15,099 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:20:15,100 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:20:15,101 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968c02f2-3219-49bf-afb5-f9e28808dfc7/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 23:20:15,143 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:20:15,143 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:20:15,144 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:20:15,144 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:20:15,152 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:20:15,152 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:20:15,152 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:20:15,152 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:20:15,153 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:20:15,153 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:20:15,154 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:20:15,154 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:20:15,154 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:20:15,154 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:20:15,155 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:20:15,155 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:20:15,155 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:20:15,155 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:20:15,155 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:20:15,156 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:20:15,156 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:20:15,156 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:20:15,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:20:15,156 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:20:15,157 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:20:15,157 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:20:15,157 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:20:15,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:20:15,157 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:20:15,159 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:20:15,159 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:20:15,159 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:20:15,160 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_968c02f2-3219-49bf-afb5-f9e28808dfc7/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968c02f2-3219-49bf-afb5-f9e28808dfc7/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca9ad45e9cd0fa7cfc478092837003ff1c91f26680d4fb1c37c440560090c9e6 [2021-10-28 23:20:15,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:20:15,526 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:20:15,528 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:20:15,529 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:20:15,529 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:20:15,530 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968c02f2-3219-49bf-afb5-f9e28808dfc7/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c [2021-10-28 23:20:15,607 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968c02f2-3219-49bf-afb5-f9e28808dfc7/bin/uautomizer-GMMbpWq8iD/data/1f42f22fe/1d25bc448c1e400eb085c5085665e98d/FLAG69c81ade1 [2021-10-28 23:20:16,471 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:20:16,472 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968c02f2-3219-49bf-afb5-f9e28808dfc7/sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c [2021-10-28 23:20:16,498 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968c02f2-3219-49bf-afb5-f9e28808dfc7/bin/uautomizer-GMMbpWq8iD/data/1f42f22fe/1d25bc448c1e400eb085c5085665e98d/FLAG69c81ade1 [2021-10-28 23:20:16,699 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968c02f2-3219-49bf-afb5-f9e28808dfc7/bin/uautomizer-GMMbpWq8iD/data/1f42f22fe/1d25bc448c1e400eb085c5085665e98d [2021-10-28 23:20:16,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:20:16,704 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:20:16,706 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:20:16,706 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:20:16,713 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:20:16,714 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:20:16" (1/1) ... [2021-10-28 23:20:16,715 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2608bc95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:16, skipping insertion in model container [2021-10-28 23:20:16,716 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:20:16" (1/1) ... [2021-10-28 23:20:16,725 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:20:16,793 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:20:16,942 WARN L228 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_968c02f2-3219-49bf-afb5-f9e28808dfc7/sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c[1605,1618] [2021-10-28 23:20:17,082 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:20:17,103 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:20:17,124 WARN L228 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_968c02f2-3219-49bf-afb5-f9e28808dfc7/sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c[1605,1618] [2021-10-28 23:20:17,215 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:20:17,244 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:20:17,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:17 WrapperNode [2021-10-28 23:20:17,247 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:20:17,249 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:20:17,249 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:20:17,250 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:20:17,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:17" (1/1) ... [2021-10-28 23:20:17,297 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:17" (1/1) ... [2021-10-28 23:20:17,354 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:20:17,366 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:20:17,366 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:20:17,366 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:20:17,378 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:17" (1/1) ... [2021-10-28 23:20:17,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:17" (1/1) ... [2021-10-28 23:20:17,388 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:17" (1/1) ... [2021-10-28 23:20:17,389 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:17" (1/1) ... [2021-10-28 23:20:17,421 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:17" (1/1) ... [2021-10-28 23:20:17,441 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:17" (1/1) ... [2021-10-28 23:20:17,454 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:17" (1/1) ... [2021-10-28 23:20:17,465 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:20:17,468 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:20:17,468 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:20:17,469 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:20:17,470 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:17" (1/1) ... [2021-10-28 23:20:17,479 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:20:17,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968c02f2-3219-49bf-afb5-f9e28808dfc7/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:20:17,511 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968c02f2-3219-49bf-afb5-f9e28808dfc7/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:20:17,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968c02f2-3219-49bf-afb5-f9e28808dfc7/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:20:17,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:20:17,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:20:17,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:20:17,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:20:18,685 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:20:18,686 INFO L299 CfgBuilder]: Removed 160 assume(true) statements. [2021-10-28 23:20:18,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:20:18 BoogieIcfgContainer [2021-10-28 23:20:18,689 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:20:18,691 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:20:18,691 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:20:18,695 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:20:18,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:20:16" (1/3) ... [2021-10-28 23:20:18,697 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fa150d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:20:18, skipping insertion in model container [2021-10-28 23:20:18,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:20:17" (2/3) ... [2021-10-28 23:20:18,698 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fa150d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:20:18, skipping insertion in model container [2021-10-28 23:20:18,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:20:18" (3/3) ... [2021-10-28 23:20:18,700 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product38.cil.c [2021-10-28 23:20:18,706 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:20:18,707 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-28 23:20:18,755 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:20:18,764 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 23:20:18,764 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-28 23:20:18,796 INFO L276 IsEmpty]: Start isEmpty. Operand has 115 states, 111 states have (on average 1.5765765765765767) internal successors, (175), 114 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:18,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-28 23:20:18,805 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:20:18,806 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:20:18,806 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:20:18,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:20:18,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1873143772, now seen corresponding path program 1 times [2021-10-28 23:20:18,820 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:20:18,820 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222332353] [2021-10-28 23:20:18,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:20:18,821 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:20:19,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:20:19,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:20:19,145 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:20:19,146 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222332353] [2021-10-28 23:20:19,147 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222332353] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:20:19,147 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:20:19,148 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:20:19,158 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028985458] [2021-10-28 23:20:19,164 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 23:20:19,165 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:20:19,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 23:20:19,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 23:20:19,189 INFO L87 Difference]: Start difference. First operand has 115 states, 111 states have (on average 1.5765765765765767) internal successors, (175), 114 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:19,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:20:19,242 INFO L93 Difference]: Finished difference Result 223 states and 342 transitions. [2021-10-28 23:20:19,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 23:20:19,244 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-28 23:20:19,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:20:19,257 INFO L225 Difference]: With dead ends: 223 [2021-10-28 23:20:19,257 INFO L226 Difference]: Without dead ends: 111 [2021-10-28 23:20:19,261 INFO L786 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 [2021-10-28 23:20:19,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2021-10-28 23:20:19,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2021-10-28 23:20:19,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 108 states have (on average 1.5092592592592593) internal successors, (163), 110 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:19,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 163 transitions. [2021-10-28 23:20:19,322 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 163 transitions. Word has length 18 [2021-10-28 23:20:19,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:20:19,324 INFO L470 AbstractCegarLoop]: Abstraction has 111 states and 163 transitions. [2021-10-28 23:20:19,325 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:19,325 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 163 transitions. [2021-10-28 23:20:19,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-28 23:20:19,330 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:20:19,330 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:20:19,330 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 23:20:19,335 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:20:19,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:20:19,340 INFO L85 PathProgramCache]: Analyzing trace with hash -2091979741, now seen corresponding path program 1 times [2021-10-28 23:20:19,340 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:20:19,341 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065955349] [2021-10-28 23:20:19,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:20:19,341 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:20:19,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:20:19,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:20:19,528 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:20:19,528 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065955349] [2021-10-28 23:20:19,529 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065955349] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:20:19,529 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:20:19,529 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:20:19,529 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942942724] [2021-10-28 23:20:19,531 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:20:19,531 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:20:19,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:20:19,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:20:19,532 INFO L87 Difference]: Start difference. First operand 111 states and 163 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:19,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:20:19,543 INFO L93 Difference]: Finished difference Result 111 states and 163 transitions. [2021-10-28 23:20:19,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:20:19,543 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-28 23:20:19,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:20:19,544 INFO L225 Difference]: With dead ends: 111 [2021-10-28 23:20:19,544 INFO L226 Difference]: Without dead ends: 47 [2021-10-28 23:20:19,546 INFO L786 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 [2021-10-28 23:20:19,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-10-28 23:20:19,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-10-28 23:20:19,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.4782608695652173) internal successors, (68), 46 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:19,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2021-10-28 23:20:19,551 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 19 [2021-10-28 23:20:19,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:20:19,551 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2021-10-28 23:20:19,552 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:19,552 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2021-10-28 23:20:19,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-28 23:20:19,553 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:20:19,553 INFO L513 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] [2021-10-28 23:20:19,553 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 23:20:19,554 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:20:19,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:20:19,554 INFO L85 PathProgramCache]: Analyzing trace with hash -450570441, now seen corresponding path program 1 times [2021-10-28 23:20:19,555 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:20:19,555 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899248498] [2021-10-28 23:20:19,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:20:19,555 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:20:19,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:20:19,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:20:19,679 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:20:19,679 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899248498] [2021-10-28 23:20:19,679 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899248498] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:20:19,680 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:20:19,680 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:20:19,680 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477691348] [2021-10-28 23:20:19,680 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:20:19,681 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:20:19,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:20:19,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:20:19,682 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:19,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:20:19,723 INFO L93 Difference]: Finished difference Result 87 states and 129 transitions. [2021-10-28 23:20:19,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:20:19,723 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-28 23:20:19,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:20:19,724 INFO L225 Difference]: With dead ends: 87 [2021-10-28 23:20:19,724 INFO L226 Difference]: Without dead ends: 47 [2021-10-28 23:20:19,725 INFO L786 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 [2021-10-28 23:20:19,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-10-28 23:20:19,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-10-28 23:20:19,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.4565217391304348) internal successors, (67), 46 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:19,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2021-10-28 23:20:19,731 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 24 [2021-10-28 23:20:19,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:20:19,732 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2021-10-28 23:20:19,732 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:19,732 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2021-10-28 23:20:19,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-28 23:20:19,733 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:20:19,733 INFO L513 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] [2021-10-28 23:20:19,733 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 23:20:19,734 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:20:19,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:20:19,734 INFO L85 PathProgramCache]: Analyzing trace with hash 2097991918, now seen corresponding path program 1 times [2021-10-28 23:20:19,735 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:20:19,735 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119322025] [2021-10-28 23:20:19,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:20:19,735 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:20:19,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:20:19,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:20:19,824 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:20:19,824 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119322025] [2021-10-28 23:20:19,825 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119322025] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:20:19,825 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:20:19,825 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:20:19,825 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351166359] [2021-10-28 23:20:19,826 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:20:19,826 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:20:19,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:20:19,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:20:19,827 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:19,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:20:19,871 INFO L93 Difference]: Finished difference Result 109 states and 159 transitions. [2021-10-28 23:20:19,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:20:19,872 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-28 23:20:19,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:20:19,873 INFO L225 Difference]: With dead ends: 109 [2021-10-28 23:20:19,873 INFO L226 Difference]: Without dead ends: 69 [2021-10-28 23:20:19,874 INFO L786 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 [2021-10-28 23:20:19,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-10-28 23:20:19,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 67. [2021-10-28 23:20:19,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 66 states have (on average 1.4393939393939394) internal successors, (95), 66 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:19,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 95 transitions. [2021-10-28 23:20:19,883 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 95 transitions. Word has length 26 [2021-10-28 23:20:19,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:20:19,884 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 95 transitions. [2021-10-28 23:20:19,884 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:19,884 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 95 transitions. [2021-10-28 23:20:19,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-28 23:20:19,886 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:20:19,886 INFO L513 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] [2021-10-28 23:20:19,886 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 23:20:19,886 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:20:19,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:20:19,887 INFO L85 PathProgramCache]: Analyzing trace with hash -1303227430, now seen corresponding path program 1 times [2021-10-28 23:20:19,887 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:20:19,888 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469452202] [2021-10-28 23:20:19,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:20:19,888 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:20:19,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:20:19,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:20:19,987 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:20:19,987 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469452202] [2021-10-28 23:20:19,988 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469452202] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:20:19,988 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:20:19,989 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:20:19,989 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142789723] [2021-10-28 23:20:19,989 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:20:19,990 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:20:19,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:20:19,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:20:19,991 INFO L87 Difference]: Start difference. First operand 67 states and 95 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:20,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:20:20,101 INFO L93 Difference]: Finished difference Result 313 states and 456 transitions. [2021-10-28 23:20:20,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 23:20:20,102 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-10-28 23:20:20,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:20:20,105 INFO L225 Difference]: With dead ends: 313 [2021-10-28 23:20:20,105 INFO L226 Difference]: Without dead ends: 253 [2021-10-28 23:20:20,106 INFO L786 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 [2021-10-28 23:20:20,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2021-10-28 23:20:20,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 119. [2021-10-28 23:20:20,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 118 states have (on average 1.423728813559322) internal successors, (168), 118 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:20,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 168 transitions. [2021-10-28 23:20:20,144 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 168 transitions. Word has length 32 [2021-10-28 23:20:20,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:20:20,145 INFO L470 AbstractCegarLoop]: Abstraction has 119 states and 168 transitions. [2021-10-28 23:20:20,145 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:20,145 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 168 transitions. [2021-10-28 23:20:20,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-28 23:20:20,147 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:20:20,147 INFO L513 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] [2021-10-28 23:20:20,147 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 23:20:20,148 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:20:20,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:20:20,148 INFO L85 PathProgramCache]: Analyzing trace with hash -1303383966, now seen corresponding path program 1 times [2021-10-28 23:20:20,149 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:20:20,149 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147339129] [2021-10-28 23:20:20,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:20:20,149 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:20:20,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:20:20,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:20:20,215 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:20:20,215 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147339129] [2021-10-28 23:20:20,215 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2147339129] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:20:20,216 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:20:20,216 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:20:20,217 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224717066] [2021-10-28 23:20:20,218 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:20:20,218 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:20:20,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:20:20,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:20:20,220 INFO L87 Difference]: Start difference. First operand 119 states and 168 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:20,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:20:20,347 INFO L93 Difference]: Finished difference Result 436 states and 623 transitions. [2021-10-28 23:20:20,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 23:20:20,348 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-28 23:20:20,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:20:20,351 INFO L225 Difference]: With dead ends: 436 [2021-10-28 23:20:20,351 INFO L226 Difference]: Without dead ends: 324 [2021-10-28 23:20:20,352 INFO L786 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 [2021-10-28 23:20:20,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2021-10-28 23:20:20,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 118. [2021-10-28 23:20:20,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 117 states have (on average 1.4102564102564104) internal successors, (165), 117 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:20,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 165 transitions. [2021-10-28 23:20:20,388 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 165 transitions. Word has length 33 [2021-10-28 23:20:20,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:20:20,388 INFO L470 AbstractCegarLoop]: Abstraction has 118 states and 165 transitions. [2021-10-28 23:20:20,389 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:20,389 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 165 transitions. [2021-10-28 23:20:20,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-28 23:20:20,390 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:20:20,390 INFO L513 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] [2021-10-28 23:20:20,390 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 23:20:20,391 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:20:20,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:20:20,391 INFO L85 PathProgramCache]: Analyzing trace with hash 2058119621, now seen corresponding path program 1 times [2021-10-28 23:20:20,391 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:20:20,392 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068656992] [2021-10-28 23:20:20,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:20:20,392 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:20:20,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:20:20,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:20:20,496 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:20:20,496 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068656992] [2021-10-28 23:20:20,496 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068656992] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:20:20,496 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:20:20,496 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:20:20,497 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435980098] [2021-10-28 23:20:20,497 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:20:20,497 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:20:20,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:20:20,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:20:20,498 INFO L87 Difference]: Start difference. First operand 118 states and 165 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:20,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:20:20,581 INFO L93 Difference]: Finished difference Result 315 states and 437 transitions. [2021-10-28 23:20:20,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 23:20:20,581 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-28 23:20:20,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:20:20,583 INFO L225 Difference]: With dead ends: 315 [2021-10-28 23:20:20,583 INFO L226 Difference]: Without dead ends: 204 [2021-10-28 23:20:20,587 INFO L786 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 [2021-10-28 23:20:20,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2021-10-28 23:20:20,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 130. [2021-10-28 23:20:20,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 129 states have (on average 1.372093023255814) internal successors, (177), 129 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:20,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 177 transitions. [2021-10-28 23:20:20,617 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 177 transitions. Word has length 33 [2021-10-28 23:20:20,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:20:20,617 INFO L470 AbstractCegarLoop]: Abstraction has 130 states and 177 transitions. [2021-10-28 23:20:20,618 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:20,618 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 177 transitions. [2021-10-28 23:20:20,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-28 23:20:20,619 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:20:20,619 INFO L513 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] [2021-10-28 23:20:20,620 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 23:20:20,620 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:20:20,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:20:20,621 INFO L85 PathProgramCache]: Analyzing trace with hash -1535783097, now seen corresponding path program 1 times [2021-10-28 23:20:20,621 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:20:20,621 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015236281] [2021-10-28 23:20:20,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:20:20,622 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:20:20,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:20:20,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:20:20,729 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:20:20,729 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015236281] [2021-10-28 23:20:20,729 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015236281] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:20:20,730 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:20:20,730 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 23:20:20,730 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710733072] [2021-10-28 23:20:20,731 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 23:20:20,731 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:20:20,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 23:20:20,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:20:20,732 INFO L87 Difference]: Start difference. First operand 130 states and 177 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:20,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:20:20,831 INFO L93 Difference]: Finished difference Result 349 states and 471 transitions. [2021-10-28 23:20:20,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 23:20:20,832 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-28 23:20:20,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:20:20,834 INFO L225 Difference]: With dead ends: 349 [2021-10-28 23:20:20,835 INFO L226 Difference]: Without dead ends: 226 [2021-10-28 23:20:20,837 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-10-28 23:20:20,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2021-10-28 23:20:20,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 138. [2021-10-28 23:20:20,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 137 states have (on average 1.3503649635036497) internal successors, (185), 137 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:20,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 185 transitions. [2021-10-28 23:20:20,865 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 185 transitions. Word has length 33 [2021-10-28 23:20:20,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:20:20,866 INFO L470 AbstractCegarLoop]: Abstraction has 138 states and 185 transitions. [2021-10-28 23:20:20,866 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:20,867 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 185 transitions. [2021-10-28 23:20:20,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-28 23:20:20,874 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:20:20,874 INFO L513 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] [2021-10-28 23:20:20,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 23:20:20,875 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:20:20,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:20:20,877 INFO L85 PathProgramCache]: Analyzing trace with hash -2122589111, now seen corresponding path program 1 times [2021-10-28 23:20:20,877 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:20:20,878 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897812216] [2021-10-28 23:20:20,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:20:20,878 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:20:20,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:20:20,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:20:20,966 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:20:20,966 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897812216] [2021-10-28 23:20:20,966 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897812216] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:20:20,967 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:20:20,967 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:20:20,967 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338409138] [2021-10-28 23:20:20,968 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:20:20,968 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:20:20,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:20:20,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:20:20,970 INFO L87 Difference]: Start difference. First operand 138 states and 185 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:21,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:20:21,012 INFO L93 Difference]: Finished difference Result 319 states and 427 transitions. [2021-10-28 23:20:21,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:20:21,013 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-28 23:20:21,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:20:21,016 INFO L225 Difference]: With dead ends: 319 [2021-10-28 23:20:21,017 INFO L226 Difference]: Without dead ends: 188 [2021-10-28 23:20:21,023 INFO L786 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 [2021-10-28 23:20:21,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2021-10-28 23:20:21,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 188. [2021-10-28 23:20:21,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 187 states have (on average 1.3101604278074865) internal successors, (245), 187 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:21,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 245 transitions. [2021-10-28 23:20:21,065 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 245 transitions. Word has length 33 [2021-10-28 23:20:21,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:20:21,066 INFO L470 AbstractCegarLoop]: Abstraction has 188 states and 245 transitions. [2021-10-28 23:20:21,066 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:21,066 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 245 transitions. [2021-10-28 23:20:21,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-28 23:20:21,072 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:20:21,072 INFO L513 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] [2021-10-28 23:20:21,072 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 23:20:21,073 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:20:21,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:20:21,074 INFO L85 PathProgramCache]: Analyzing trace with hash -227956983, now seen corresponding path program 1 times [2021-10-28 23:20:21,074 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:20:21,077 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471851229] [2021-10-28 23:20:21,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:20:21,077 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:20:21,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:20:21,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:20:21,158 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:20:21,158 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471851229] [2021-10-28 23:20:21,159 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471851229] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:20:21,159 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:20:21,159 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:20:21,160 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845289761] [2021-10-28 23:20:21,162 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:20:21,162 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:20:21,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:20:21,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:20:21,164 INFO L87 Difference]: Start difference. First operand 188 states and 245 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:21,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:20:21,227 INFO L93 Difference]: Finished difference Result 287 states and 377 transitions. [2021-10-28 23:20:21,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:20:21,228 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-10-28 23:20:21,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:20:21,231 INFO L225 Difference]: With dead ends: 287 [2021-10-28 23:20:21,232 INFO L226 Difference]: Without dead ends: 285 [2021-10-28 23:20:21,232 INFO L786 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 [2021-10-28 23:20:21,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2021-10-28 23:20:21,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 228. [2021-10-28 23:20:21,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 227 states have (on average 1.3392070484581498) internal successors, (304), 227 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:21,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 304 transitions. [2021-10-28 23:20:21,261 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 304 transitions. Word has length 34 [2021-10-28 23:20:21,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:20:21,261 INFO L470 AbstractCegarLoop]: Abstraction has 228 states and 304 transitions. [2021-10-28 23:20:21,262 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:21,262 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 304 transitions. [2021-10-28 23:20:21,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-10-28 23:20:21,263 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:20:21,263 INFO L513 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] [2021-10-28 23:20:21,264 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-28 23:20:21,264 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:20:21,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:20:21,265 INFO L85 PathProgramCache]: Analyzing trace with hash 905558712, now seen corresponding path program 1 times [2021-10-28 23:20:21,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:20:21,268 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794340047] [2021-10-28 23:20:21,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:20:21,268 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:20:21,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:20:21,398 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-10-28 23:20:21,399 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:20:21,399 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794340047] [2021-10-28 23:20:21,399 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794340047] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:20:21,401 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:20:21,402 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 23:20:21,402 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006378471] [2021-10-28 23:20:21,402 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 23:20:21,403 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:20:21,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 23:20:21,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:20:21,405 INFO L87 Difference]: Start difference. First operand 228 states and 304 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:21,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:20:21,752 INFO L93 Difference]: Finished difference Result 720 states and 968 transitions. [2021-10-28 23:20:21,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-28 23:20:21,753 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2021-10-28 23:20:21,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:20:21,761 INFO L225 Difference]: With dead ends: 720 [2021-10-28 23:20:21,761 INFO L226 Difference]: Without dead ends: 499 [2021-10-28 23:20:21,762 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-10-28 23:20:21,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2021-10-28 23:20:21,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 205. [2021-10-28 23:20:21,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 204 states have (on average 1.3088235294117647) internal successors, (267), 204 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:21,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 267 transitions. [2021-10-28 23:20:21,795 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 267 transitions. Word has length 56 [2021-10-28 23:20:21,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:20:21,797 INFO L470 AbstractCegarLoop]: Abstraction has 205 states and 267 transitions. [2021-10-28 23:20:21,797 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:21,798 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 267 transitions. [2021-10-28 23:20:21,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-28 23:20:21,799 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:20:21,799 INFO L513 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] [2021-10-28 23:20:21,800 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-28 23:20:21,800 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:20:21,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:20:21,801 INFO L85 PathProgramCache]: Analyzing trace with hash 711163183, now seen corresponding path program 1 times [2021-10-28 23:20:21,801 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:20:21,801 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950475731] [2021-10-28 23:20:21,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:20:21,802 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:20:21,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:20:21,883 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:20:21,884 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:20:21,884 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950475731] [2021-10-28 23:20:21,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950475731] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:20:21,890 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:20:21,890 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:20:21,890 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593637045] [2021-10-28 23:20:21,891 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:20:21,891 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:20:21,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:20:21,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:20:21,892 INFO L87 Difference]: Start difference. First operand 205 states and 267 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:22,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:20:22,151 INFO L93 Difference]: Finished difference Result 325 states and 432 transitions. [2021-10-28 23:20:22,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:20:22,152 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2021-10-28 23:20:22,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:20:22,155 INFO L225 Difference]: With dead ends: 325 [2021-10-28 23:20:22,156 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 23:20:22,156 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:20:22,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 23:20:22,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 23:20:22,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:22,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 23:20:22,158 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2021-10-28 23:20:22,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:20:22,160 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:20:22,160 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:20:22,160 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:20:22,160 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 23:20:22,163 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:20:22,164 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:20:22,165 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:20:22,165 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-28 23:20:22,167 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 23:20:22,172 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:20:22,175 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:20:22,177 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:20:22,178 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:20:22,180 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:20:22,352 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:20:22,353 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:20:22,512 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:20:22,513 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:20:22,688 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:20:22,689 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:20:22,690 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:20:22,692 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:20:22,693 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:20:22,694 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:20:22,694 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:20:22,695 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:20:22,711 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:20:22,712 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:20:22,712 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:20:22,714 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:20:22,715 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:20:22,715 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:20:22,716 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:20:22,717 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:20:22,732 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:20:22,733 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:20:22,734 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:20:22,735 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:20:22,736 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:20:22,736 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:20:22,737 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:20:22,885 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:20:22,948 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:20:23,059 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:20:23,113 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:20:23,114 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:20:23,114 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:20:23,115 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:20:23,116 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:20:23,136 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:20:23,138 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:20:23,202 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:20:23,203 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:20:25,581 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-28 23:20:25,581 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-28 23:20:25,581 INFO L857 garLoopResultBuilder]: For program point L506(lines 506 510) no Hoare annotation was computed. [2021-10-28 23:20:25,582 INFO L857 garLoopResultBuilder]: For program point L506-3(lines 506 510) no Hoare annotation was computed. [2021-10-28 23:20:25,582 INFO L857 garLoopResultBuilder]: For program point L506-6(lines 506 510) no Hoare annotation was computed. [2021-10-28 23:20:25,582 INFO L857 garLoopResultBuilder]: For program point L375(lines 375 388) no Hoare annotation was computed. [2021-10-28 23:20:25,582 INFO L857 garLoopResultBuilder]: For program point L78(lines 78 95) no Hoare annotation was computed. [2021-10-28 23:20:25,582 INFO L853 garLoopResultBuilder]: At program point L78-1(lines 1 958) the Hoare annotation is: (let ((.cse1 (= ~methAndRunningLastTime~0 0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (= ~pumpRunning~0 0)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse4 (= ULTIMATE.start_main_~tmp~5 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse2 .cse3 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~0 0) .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse3 .cse7 .cse4 .cse5) (and .cse0 .cse8 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (not .cse8) .cse6 .cse3 .cse7 .cse4 .cse5))) [2021-10-28 23:20:25,582 INFO L857 garLoopResultBuilder]: For program point L78-2(lines 78 95) no Hoare annotation was computed. [2021-10-28 23:20:25,583 INFO L853 garLoopResultBuilder]: At program point L78-3(lines 1 958) the Hoare annotation is: false [2021-10-28 23:20:25,583 INFO L857 garLoopResultBuilder]: For program point L78-4(lines 78 95) no Hoare annotation was computed. [2021-10-28 23:20:25,583 INFO L853 garLoopResultBuilder]: At program point L78-5(lines 1 958) the Hoare annotation is: false [2021-10-28 23:20:25,583 INFO L857 garLoopResultBuilder]: For program point L211(lines 211 228) no Hoare annotation was computed. [2021-10-28 23:20:25,583 INFO L857 garLoopResultBuilder]: For program point L211-1(lines 211 228) no Hoare annotation was computed. [2021-10-28 23:20:25,583 INFO L857 garLoopResultBuilder]: For program point L211-2(lines 211 228) no Hoare annotation was computed. [2021-10-28 23:20:25,583 INFO L853 garLoopResultBuilder]: At program point L543(lines 538 546) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= ULTIMATE.start_main_~tmp~5 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) .cse3 .cse4))) [2021-10-28 23:20:25,584 INFO L853 garLoopResultBuilder]: At program point L543-1(lines 538 546) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse4 (= ULTIMATE.start_main_~tmp~5 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 (= ~methAndRunningLastTime~0 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse2 .cse4 .cse5) (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4 .cse5))) [2021-10-28 23:20:25,584 INFO L853 garLoopResultBuilder]: At program point L543-2(lines 538 546) the Hoare annotation is: false [2021-10-28 23:20:25,584 INFO L853 garLoopResultBuilder]: At program point L543-3(lines 538 546) the Hoare annotation is: false [2021-10-28 23:20:25,584 INFO L853 garLoopResultBuilder]: At program point L543-4(lines 538 546) the Hoare annotation is: false [2021-10-28 23:20:25,584 INFO L853 garLoopResultBuilder]: At program point L543-5(lines 538 546) the Hoare annotation is: false [2021-10-28 23:20:25,584 INFO L857 garLoopResultBuilder]: For program point L346(lines 345 392) no Hoare annotation was computed. [2021-10-28 23:20:25,584 INFO L857 garLoopResultBuilder]: For program point L313(lines 313 317) no Hoare annotation was computed. [2021-10-28 23:20:25,585 INFO L857 garLoopResultBuilder]: For program point L313-2(lines 313 317) no Hoare annotation was computed. [2021-10-28 23:20:25,585 INFO L857 garLoopResultBuilder]: For program point L313-3(lines 313 317) no Hoare annotation was computed. [2021-10-28 23:20:25,585 INFO L857 garLoopResultBuilder]: For program point L313-5(lines 313 317) no Hoare annotation was computed. [2021-10-28 23:20:25,585 INFO L857 garLoopResultBuilder]: For program point L313-6(lines 313 317) no Hoare annotation was computed. [2021-10-28 23:20:25,585 INFO L857 garLoopResultBuilder]: For program point L82(lines 82 92) no Hoare annotation was computed. [2021-10-28 23:20:25,585 INFO L857 garLoopResultBuilder]: For program point L313-8(lines 313 317) no Hoare annotation was computed. [2021-10-28 23:20:25,585 INFO L857 garLoopResultBuilder]: For program point L313-9(lines 313 317) no Hoare annotation was computed. [2021-10-28 23:20:25,591 INFO L857 garLoopResultBuilder]: For program point L82-2(lines 82 92) no Hoare annotation was computed. [2021-10-28 23:20:25,591 INFO L857 garLoopResultBuilder]: For program point L313-11(lines 313 317) no Hoare annotation was computed. [2021-10-28 23:20:25,591 INFO L857 garLoopResultBuilder]: For program point L82-4(lines 82 92) no Hoare annotation was computed. [2021-10-28 23:20:25,591 INFO L857 garLoopResultBuilder]: For program point L313-12(lines 313 317) no Hoare annotation was computed. [2021-10-28 23:20:25,591 INFO L857 garLoopResultBuilder]: For program point L313-14(lines 313 317) no Hoare annotation was computed. [2021-10-28 23:20:25,594 INFO L857 garLoopResultBuilder]: For program point L313-15(lines 313 317) no Hoare annotation was computed. [2021-10-28 23:20:25,594 INFO L857 garLoopResultBuilder]: For program point L313-17(lines 313 317) no Hoare annotation was computed. [2021-10-28 23:20:25,594 INFO L857 garLoopResultBuilder]: For program point L347(lines 347 351) no Hoare annotation was computed. [2021-10-28 23:20:25,595 INFO L853 garLoopResultBuilder]: At program point L413-2(lines 413 427) the Hoare annotation is: false [2021-10-28 23:20:25,595 INFO L857 garLoopResultBuilder]: For program point L215(lines 215 223) no Hoare annotation was computed. [2021-10-28 23:20:25,595 INFO L857 garLoopResultBuilder]: For program point L215-1(lines 215 223) no Hoare annotation was computed. [2021-10-28 23:20:25,595 INFO L857 garLoopResultBuilder]: For program point L215-2(lines 215 223) no Hoare annotation was computed. [2021-10-28 23:20:25,596 INFO L857 garLoopResultBuilder]: For program point L83(lines 83 89) no Hoare annotation was computed. [2021-10-28 23:20:25,596 INFO L857 garLoopResultBuilder]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2021-10-28 23:20:25,596 INFO L857 garLoopResultBuilder]: For program point L83-4(lines 83 89) no Hoare annotation was computed. [2021-10-28 23:20:25,596 INFO L857 garLoopResultBuilder]: For program point L414(line 414) no Hoare annotation was computed. [2021-10-28 23:20:25,596 INFO L857 garLoopResultBuilder]: For program point L383(lines 383 387) no Hoare annotation was computed. [2021-10-28 23:20:25,597 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 23:20:25,598 INFO L853 garLoopResultBuilder]: At program point L383-2(lines 153 159) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (not (= ~pumpRunning~0 0))) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (= ULTIMATE.start_main_~tmp~5 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse7 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse7 .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) .cse4 .cse5))) [2021-10-28 23:20:25,598 INFO L857 garLoopResultBuilder]: For program point L185(lines 185 202) no Hoare annotation was computed. [2021-10-28 23:20:25,598 INFO L857 garLoopResultBuilder]: For program point L185-1(lines 185 202) no Hoare annotation was computed. [2021-10-28 23:20:25,598 INFO L857 garLoopResultBuilder]: For program point L185-2(lines 185 202) no Hoare annotation was computed. [2021-10-28 23:20:25,599 INFO L857 garLoopResultBuilder]: For program point L185-3(lines 185 202) no Hoare annotation was computed. [2021-10-28 23:20:25,599 INFO L857 garLoopResultBuilder]: For program point L185-4(lines 185 202) no Hoare annotation was computed. [2021-10-28 23:20:25,599 INFO L857 garLoopResultBuilder]: For program point L185-5(lines 185 202) no Hoare annotation was computed. [2021-10-28 23:20:25,599 INFO L857 garLoopResultBuilder]: For program point L417(lines 417 421) no Hoare annotation was computed. [2021-10-28 23:20:25,599 INFO L857 garLoopResultBuilder]: For program point L417-1(lines 153 159) no Hoare annotation was computed. [2021-10-28 23:20:25,600 INFO L853 garLoopResultBuilder]: At program point L153(lines 152 171) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (= ULTIMATE.start_main_~tmp~5 1)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3) (and .cse0 (= ~methAndRunningLastTime~0 0) .cse4 .cse1 .cse2 .cse3) (and .cse0 (not (= ~pumpRunning~0 0)) .cse4 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) .cse2 .cse3))) [2021-10-28 23:20:25,601 INFO L857 garLoopResultBuilder]: For program point L153-1(lines 153 159) no Hoare annotation was computed. [2021-10-28 23:20:25,601 INFO L853 garLoopResultBuilder]: At program point L153-2(lines 152 171) the Hoare annotation is: false [2021-10-28 23:20:25,602 INFO L857 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2021-10-28 23:20:25,603 INFO L853 garLoopResultBuilder]: At program point L153-3(lines 152 171) the Hoare annotation is: false [2021-10-28 23:20:25,603 INFO L857 garLoopResultBuilder]: For program point L54-1(line 54) no Hoare annotation was computed. [2021-10-28 23:20:25,603 INFO L857 garLoopResultBuilder]: For program point L54-2(line 54) no Hoare annotation was computed. [2021-10-28 23:20:25,603 INFO L857 garLoopResultBuilder]: For program point L583(lines 583 589) no Hoare annotation was computed. [2021-10-28 23:20:25,604 INFO L857 garLoopResultBuilder]: For program point L583-1(lines 583 589) no Hoare annotation was computed. [2021-10-28 23:20:25,604 INFO L857 garLoopResultBuilder]: For program point L583-2(lines 583 589) no Hoare annotation was computed. [2021-10-28 23:20:25,604 INFO L857 garLoopResultBuilder]: For program point L583-3(lines 583 589) no Hoare annotation was computed. [2021-10-28 23:20:25,604 INFO L857 garLoopResultBuilder]: For program point L583-4(lines 583 589) no Hoare annotation was computed. [2021-10-28 23:20:25,604 INFO L857 garLoopResultBuilder]: For program point L583-5(lines 583 589) no Hoare annotation was computed. [2021-10-28 23:20:25,605 INFO L853 garLoopResultBuilder]: At program point L319(lines 304 322) the Hoare annotation is: false [2021-10-28 23:20:25,605 INFO L853 garLoopResultBuilder]: At program point L319-1(lines 304 322) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (= ULTIMATE.start_main_~tmp~5 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (= ~methAndRunningLastTime~0 0) .cse2 .cse3 .cse4 .cse5) (and .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse2 .cse3 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) .cse4 .cse5) (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse3 .cse4 .cse5))) [2021-10-28 23:20:25,605 INFO L853 garLoopResultBuilder]: At program point L319-2(lines 304 322) the Hoare annotation is: false [2021-10-28 23:20:25,606 INFO L853 garLoopResultBuilder]: At program point L319-3(lines 304 322) the Hoare annotation is: false [2021-10-28 23:20:25,606 INFO L853 garLoopResultBuilder]: At program point L319-4(lines 304 322) the Hoare annotation is: false [2021-10-28 23:20:25,606 INFO L853 garLoopResultBuilder]: At program point L319-5(lines 304 322) the Hoare annotation is: false [2021-10-28 23:20:25,607 INFO L857 garLoopResultBuilder]: For program point L518(lines 518 522) no Hoare annotation was computed. [2021-10-28 23:20:25,608 INFO L857 garLoopResultBuilder]: For program point L485(lines 485 492) no Hoare annotation was computed. [2021-10-28 23:20:25,609 INFO L860 garLoopResultBuilder]: At program point L485-1(lines 485 492) the Hoare annotation is: true [2021-10-28 23:20:25,609 INFO L853 garLoopResultBuilder]: At program point L255(lines 248 258) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= ULTIMATE.start_main_~tmp~5 1)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneAlarm_#res| 1) (= ~methaneLevelCritical~0 1) .cse2 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) .cse3 .cse4) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4))) [2021-10-28 23:20:25,609 INFO L853 garLoopResultBuilder]: At program point L255-1(lines 248 258) the Hoare annotation is: false [2021-10-28 23:20:25,609 INFO L857 garLoopResultBuilder]: For program point L189(lines 189 197) no Hoare annotation was computed. [2021-10-28 23:20:25,609 INFO L853 garLoopResultBuilder]: At program point L255-2(lines 248 258) the Hoare annotation is: false [2021-10-28 23:20:25,610 INFO L857 garLoopResultBuilder]: For program point L189-1(lines 189 197) no Hoare annotation was computed. [2021-10-28 23:20:25,610 INFO L857 garLoopResultBuilder]: For program point L189-2(lines 189 197) no Hoare annotation was computed. [2021-10-28 23:20:25,610 INFO L857 garLoopResultBuilder]: For program point L189-3(lines 189 197) no Hoare annotation was computed. [2021-10-28 23:20:25,610 INFO L857 garLoopResultBuilder]: For program point L189-4(lines 189 197) no Hoare annotation was computed. [2021-10-28 23:20:25,611 INFO L857 garLoopResultBuilder]: For program point L189-5(lines 189 197) no Hoare annotation was computed. [2021-10-28 23:20:25,611 INFO L857 garLoopResultBuilder]: For program point L355(lines 355 361) no Hoare annotation was computed. [2021-10-28 23:20:25,611 INFO L853 garLoopResultBuilder]: At program point L355-1(lines 355 361) the Hoare annotation is: (let ((.cse1 (= ~methAndRunningLastTime~0 0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse8 (= ~pumpRunning~0 0)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse7 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse4 (= ULTIMATE.start_main_~tmp~5 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse2 .cse3 (= ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~0 0) .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse3 .cse7 .cse4 .cse5) (and .cse0 .cse8 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (not .cse8) .cse6 .cse3 .cse7 .cse4 .cse5))) [2021-10-28 23:20:25,611 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 23:20:25,615 INFO L853 garLoopResultBuilder]: At program point L125(lines 1 958) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-10-28 23:20:25,615 INFO L853 garLoopResultBuilder]: At program point L588(lines 579 592) the Hoare annotation is: false [2021-10-28 23:20:25,615 INFO L853 garLoopResultBuilder]: At program point L588-1(lines 579 592) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (= ULTIMATE.start_main_~tmp~5 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (= ~methAndRunningLastTime~0 0) .cse2 .cse3 .cse4 .cse5) (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse3 .cse4 .cse5))) [2021-10-28 23:20:25,615 INFO L853 garLoopResultBuilder]: At program point L588-2(lines 579 592) the Hoare annotation is: false [2021-10-28 23:20:25,616 INFO L853 garLoopResultBuilder]: At program point L588-3(lines 579 592) the Hoare annotation is: false [2021-10-28 23:20:25,616 INFO L853 garLoopResultBuilder]: At program point L588-4(lines 579 592) the Hoare annotation is: false [2021-10-28 23:20:25,616 INFO L853 garLoopResultBuilder]: At program point L588-5(lines 579 592) the Hoare annotation is: false [2021-10-28 23:20:25,616 INFO L853 garLoopResultBuilder]: At program point L160(lines 160 166) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse1 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse2 (= ULTIMATE.start_main_~tmp~5 1)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3) (and .cse0 (= ~pumpRunning~0 0) .cse4 .cse1 .cse2 .cse3) (and .cse0 (= ~methAndRunningLastTime~0 0) .cse4 .cse1 .cse2 .cse3))) [2021-10-28 23:20:25,617 INFO L853 garLoopResultBuilder]: At program point L160-1(lines 160 166) the Hoare annotation is: false [2021-10-28 23:20:25,617 INFO L853 garLoopResultBuilder]: At program point L160-2(lines 160 166) the Hoare annotation is: false [2021-10-28 23:20:25,617 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 23:20:25,618 INFO L853 garLoopResultBuilder]: At program point L393(lines 344 394) the Hoare annotation is: false [2021-10-28 23:20:25,618 INFO L860 garLoopResultBuilder]: At program point L494(lines 475 497) the Hoare annotation is: true [2021-10-28 23:20:25,619 INFO L853 garLoopResultBuilder]: At program point L461(lines 457 463) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~5 1) (not (= 0 ~systemActive~0))) [2021-10-28 23:20:25,619 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 23:20:25,619 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-28 23:20:25,620 INFO L853 garLoopResultBuilder]: At program point L264(lines 259 267) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse5 (= ULTIMATE.start_main_~tmp~5 1)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 (= ~methAndRunningLastTime~0 0) (not .cse1) .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse2 .cse3 .cse4 .cse5 .cse6))) [2021-10-28 23:20:25,620 INFO L853 garLoopResultBuilder]: At program point L264-1(lines 259 267) the Hoare annotation is: false [2021-10-28 23:20:25,620 INFO L853 garLoopResultBuilder]: At program point L264-2(lines 259 267) the Hoare annotation is: false [2021-10-28 23:20:25,620 INFO L853 garLoopResultBuilder]: At program point L133(lines 128 136) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-10-28 23:20:25,620 INFO L853 garLoopResultBuilder]: At program point L67(lines 62 69) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~5 1) (not (= 0 ~systemActive~0))) [2021-10-28 23:20:25,621 INFO L857 garLoopResultBuilder]: For program point L530(lines 530 534) no Hoare annotation was computed. [2021-10-28 23:20:25,621 INFO L857 garLoopResultBuilder]: For program point L365(lines 365 371) no Hoare annotation was computed. [2021-10-28 23:20:25,621 INFO L853 garLoopResultBuilder]: At program point L365-1(lines 365 371) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (not (= ~pumpRunning~0 0))) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (= ULTIMATE.start_main_~tmp~5 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse7 .cse3 .cse4 .cse5) (and .cse0 .cse6 .cse7 .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) .cse4 .cse5))) [2021-10-28 23:20:25,625 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:20:25,628 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:20:25,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:20:25 BoogieIcfgContainer [2021-10-28 23:20:25,685 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:20:25,686 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:20:25,686 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:20:25,687 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:20:25,687 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:20:18" (3/4) ... [2021-10-28 23:20:25,692 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 23:20:25,726 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-28 23:20:25,727 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-28 23:20:25,729 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-28 23:20:25,730 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-28 23:20:25,732 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 23:20:25,733 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:20:25,734 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:20:25,767 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-10-28 23:20:25,767 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && tmp == 1) && !(0 == systemActive) [2021-10-28 23:20:25,767 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && tmp == 1) && !(0 == systemActive) [2021-10-28 23:20:25,768 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && \result == 0) && methaneLevelCritical == 0) && \result == 1) && tmp == 0) && tmp == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) [2021-10-28 23:20:25,770 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && \result == 0) && methaneLevelCritical == 0) && \result == 1) && tmp == 0) && tmp == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) [2021-10-28 23:20:25,771 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && !(pumpRunning == 0)) && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 1) && \result == 1) && tmp == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) [2021-10-28 23:20:25,773 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && !(pumpRunning == 0)) && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 1) && \result == 1) && tmp == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) [2021-10-28 23:20:25,774 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 1) && \result == 1) && tmp == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) [2021-10-28 23:20:25,774 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && \result == 1) && tmp == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) [2021-10-28 23:20:25,777 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) [2021-10-28 23:20:25,778 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) [2021-10-28 23:20:25,779 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && !(pumpRunning == 0)) && \result == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive)) [2021-10-28 23:20:25,784 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) || ((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 1) && \result == 1) && tmp == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive)) [2021-10-28 23:20:25,788 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && !(pumpRunning == 0)) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) [2021-10-28 23:20:25,790 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) || ((((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 1) && \result == 1) && !(tmp == 0)) && tmp == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive)) [2021-10-28 23:20:25,851 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968c02f2-3219-49bf-afb5-f9e28808dfc7/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:20:25,854 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:20:25,856 INFO L168 Benchmark]: Toolchain (without parser) took 9150.96 ms. Allocated memory was 115.3 MB in the beginning and 161.5 MB in the end (delta: 46.1 MB). Free memory was 85.5 MB in the beginning and 72.9 MB in the end (delta: 12.6 MB). Peak memory consumption was 59.0 MB. Max. memory is 16.1 GB. [2021-10-28 23:20:25,857 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 88.1 MB. Free memory was 54.8 MB in the beginning and 54.8 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:20:25,858 INFO L168 Benchmark]: CACSL2BoogieTranslator took 541.77 ms. Allocated memory is still 115.3 MB. Free memory was 85.2 MB in the beginning and 66.6 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-28 23:20:25,859 INFO L168 Benchmark]: Boogie Procedure Inliner took 116.66 ms. Allocated memory is still 115.3 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 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:20:25,859 INFO L168 Benchmark]: Boogie Preprocessor took 99.09 ms. Allocated memory is still 115.3 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 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:20:25,860 INFO L168 Benchmark]: RCFGBuilder took 1220.68 ms. Allocated memory is still 115.3 MB. Free memory was 60.3 MB in the beginning and 67.0 MB in the end (delta: -6.7 MB). Peak memory consumption was 26.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:20:25,861 INFO L168 Benchmark]: TraceAbstraction took 6994.85 ms. Allocated memory was 115.3 MB in the beginning and 161.5 MB in the end (delta: 46.1 MB). Free memory was 66.5 MB in the beginning and 83.4 MB in the end (delta: -16.9 MB). Peak memory consumption was 75.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:20:25,861 INFO L168 Benchmark]: Witness Printer took 167.54 ms. Allocated memory is still 161.5 MB. Free memory was 83.4 MB in the beginning and 72.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:20:25,864 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 88.1 MB. Free memory was 54.8 MB in the beginning and 54.8 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 541.77 ms. Allocated memory is still 115.3 MB. Free memory was 85.2 MB in the beginning and 66.6 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 116.66 ms. Allocated memory is still 115.3 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 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 99.09 ms. Allocated memory is still 115.3 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 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1220.68 ms. Allocated memory is still 115.3 MB. Free memory was 60.3 MB in the beginning and 67.0 MB in the end (delta: -6.7 MB). Peak memory consumption was 26.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6994.85 ms. Allocated memory was 115.3 MB in the beginning and 161.5 MB in the end (delta: 46.1 MB). Free memory was 66.5 MB in the beginning and 83.4 MB in the end (delta: -16.9 MB). Peak memory consumption was 75.1 MB. Max. memory is 16.1 GB. * Witness Printer took 167.54 ms. Allocated memory is still 161.5 MB. Free memory was 83.4 MB in the beginning and 72.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 115 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 6.8s, OverallIterations: 12, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1094 SDtfs, 1537 SDslu, 1615 SDs, 0 SdLazy, 231 SolverSat, 52 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 85 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=228occurred in iteration=10, InterpolantAutomatonStates: 65, 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, 12 MinimizatonAttempts, 855 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 112 NumberOfFragments, 961 HoareAnnotationTreeSize, 44 FomulaSimplifications, 213082 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 44 FomulaSimplificationsInter, 28443 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 399 NumberOfCodeBlocks, 399 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 387 ConstructedInterpolants, 0 QuantifiedInterpolants, 776 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 41/41 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 - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && tmp == 1) && !(0 == systemActive) - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) || ((((((((splverifierCounter == 0 && tmp___0 == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 1) && \result == 1) && !(tmp == 0)) && tmp == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive)) - InvariantResult [Line: 365]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && !(pumpRunning == 0)) && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 1) && \result == 1) && tmp == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) - InvariantResult [Line: 538]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 1) && \result == 1) && tmp == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 485]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 475]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 538]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) - InvariantResult [Line: 538]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 538]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 344]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && !(pumpRunning == 0)) && \result == 1) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && \result == 0) && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive)) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && tmp == 1) && !(0 == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && \result == 1) && tmp == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && !(pumpRunning == 0)) && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 1) && \result == 1) && tmp == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && \result == 0) && methaneLevelCritical == 0) && \result == 1) && tmp == 0) && tmp == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) - InvariantResult [Line: 538]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) || (((((splverifierCounter == 0 && \result == 0) && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 413]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 538]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && !(pumpRunning == 0)) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) || ((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 1) && \result == 1) && tmp == 1) && !(0 == systemActive))) || (((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive)) - InvariantResult [Line: 355]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && \result == 0) && methaneLevelCritical == 0) && \result == 1) && tmp == 0) && tmp == 1) && !(0 == systemActive)) || ((((((splverifierCounter == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && !(0 == systemActive))) || ((((((splverifierCounter == 0 && !(pumpRunning == 0)) && methaneLevelCritical == 1) && \result == 1) && \result == 1) && tmp == 1) && !(0 == systemActive)) - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-28 23:20:25,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_968c02f2-3219-49bf-afb5-f9e28808dfc7/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...