./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product50.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_41e74f92-7b79-477a-97ab-3070174c2e85/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e74f92-7b79-477a-97ab-3070174c2e85/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e74f92-7b79-477a-97ab-3070174c2e85/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e74f92-7b79-477a-97ab-3070174c2e85/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e74f92-7b79-477a-97ab-3070174c2e85/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e74f92-7b79-477a-97ab-3070174c2e85/bin/uautomizer-UnR33cPsHg --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 f645b80d4169704e02b3c19c65a00755e1e28cc942f5a2526cd4b4e1dcca30cf .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 08:41:05,523 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 08:41:05,527 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 08:41:05,604 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 08:41:05,605 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 08:41:05,610 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 08:41:05,612 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 08:41:05,617 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 08:41:05,621 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 08:41:05,628 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 08:41:05,630 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 08:41:05,632 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 08:41:05,633 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 08:41:05,637 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 08:41:05,641 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 08:41:05,647 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 08:41:05,649 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 08:41:05,651 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 08:41:05,654 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 08:41:05,664 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 08:41:05,667 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 08:41:05,669 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 08:41:05,673 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 08:41:05,675 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 08:41:05,686 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 08:41:05,687 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 08:41:05,687 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 08:41:05,690 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 08:41:05,691 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 08:41:05,693 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 08:41:05,695 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 08:41:05,696 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 08:41:05,699 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 08:41:05,701 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 08:41:05,703 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 08:41:05,704 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 08:41:05,705 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 08:41:05,705 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 08:41:05,706 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 08:41:05,707 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 08:41:05,708 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 08:41:05,710 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e74f92-7b79-477a-97ab-3070174c2e85/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 08:41:05,746 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 08:41:05,750 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 08:41:05,751 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 08:41:05,752 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 08:41:05,758 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 08:41:05,758 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 08:41:05,759 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 08:41:05,759 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 08:41:05,759 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 08:41:05,759 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 08:41:05,760 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 08:41:05,760 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 08:41:05,760 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 08:41:05,760 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 08:41:05,761 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 08:41:05,761 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 08:41:05,761 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 08:41:05,761 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 08:41:05,762 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 08:41:05,762 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 08:41:05,762 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 08:41:05,762 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 08:41:05,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 08:41:05,763 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 08:41:05,763 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 08:41:05,763 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 08:41:05,764 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 08:41:05,764 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 08:41:05,764 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 08:41:05,764 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 08:41:05,764 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 08:41:05,764 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 08:41:05,765 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_41e74f92-7b79-477a-97ab-3070174c2e85/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e74f92-7b79-477a-97ab-3070174c2e85/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f645b80d4169704e02b3c19c65a00755e1e28cc942f5a2526cd4b4e1dcca30cf [2021-10-28 08:41:06,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 08:41:06,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 08:41:06,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 08:41:06,205 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 08:41:06,206 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 08:41:06,207 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e74f92-7b79-477a-97ab-3070174c2e85/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c [2021-10-28 08:41:06,295 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e74f92-7b79-477a-97ab-3070174c2e85/bin/uautomizer-UnR33cPsHg/data/3bbd46dd0/3db47bffdfae441e90c5ad48ae4a1618/FLAG342b2dc6e [2021-10-28 08:41:06,964 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 08:41:06,965 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e74f92-7b79-477a-97ab-3070174c2e85/sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c [2021-10-28 08:41:06,981 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e74f92-7b79-477a-97ab-3070174c2e85/bin/uautomizer-UnR33cPsHg/data/3bbd46dd0/3db47bffdfae441e90c5ad48ae4a1618/FLAG342b2dc6e [2021-10-28 08:41:07,251 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e74f92-7b79-477a-97ab-3070174c2e85/bin/uautomizer-UnR33cPsHg/data/3bbd46dd0/3db47bffdfae441e90c5ad48ae4a1618 [2021-10-28 08:41:07,255 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 08:41:07,257 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 08:41:07,267 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 08:41:07,267 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 08:41:07,272 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 08:41:07,273 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:41:07" (1/1) ... [2021-10-28 08:41:07,275 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14b0ccbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:41:07, skipping insertion in model container [2021-10-28 08:41:07,275 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:41:07" (1/1) ... [2021-10-28 08:41:07,285 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 08:41:07,347 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 08:41:07,762 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_41e74f92-7b79-477a-97ab-3070174c2e85/sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c[18939,18952] [2021-10-28 08:41:07,766 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:41:07,778 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 08:41:07,864 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_41e74f92-7b79-477a-97ab-3070174c2e85/sv-benchmarks/c/product-lines/minepump_spec2_product50.cil.c[18939,18952] [2021-10-28 08:41:07,865 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:41:07,889 INFO L208 MainTranslator]: Completed translation [2021-10-28 08:41:07,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:41:07 WrapperNode [2021-10-28 08:41:07,890 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 08:41:07,892 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 08:41:07,892 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 08:41:07,892 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 08:41:07,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:41:07" (1/1) ... [2021-10-28 08:41:07,924 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:41:07" (1/1) ... [2021-10-28 08:41:07,977 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 08:41:07,978 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 08:41:07,978 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 08:41:07,978 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 08:41:08,003 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:41:07" (1/1) ... [2021-10-28 08:41:08,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:41:07" (1/1) ... [2021-10-28 08:41:08,010 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:41:07" (1/1) ... [2021-10-28 08:41:08,011 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:41:07" (1/1) ... [2021-10-28 08:41:08,027 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:41:07" (1/1) ... [2021-10-28 08:41:08,037 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:41:07" (1/1) ... [2021-10-28 08:41:08,041 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:41:07" (1/1) ... [2021-10-28 08:41:08,048 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 08:41:08,049 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 08:41:08,049 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 08:41:08,049 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 08:41:08,050 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:41:07" (1/1) ... [2021-10-28 08:41:08,086 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 08:41:08,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e74f92-7b79-477a-97ab-3070174c2e85/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:41:08,117 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e74f92-7b79-477a-97ab-3070174c2e85/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 08:41:08,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e74f92-7b79-477a-97ab-3070174c2e85/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 08:41:08,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 08:41:08,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 08:41:08,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 08:41:08,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 08:41:09,558 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 08:41:09,558 INFO L299 CfgBuilder]: Removed 160 assume(true) statements. [2021-10-28 08:41:09,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:41:09 BoogieIcfgContainer [2021-10-28 08:41:09,562 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 08:41:09,564 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 08:41:09,565 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 08:41:09,569 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 08:41:09,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 08:41:07" (1/3) ... [2021-10-28 08:41:09,571 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2db04baa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:41:09, skipping insertion in model container [2021-10-28 08:41:09,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:41:07" (2/3) ... [2021-10-28 08:41:09,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2db04baa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:41:09, skipping insertion in model container [2021-10-28 08:41:09,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:41:09" (3/3) ... [2021-10-28 08:41:09,575 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product50.cil.c [2021-10-28 08:41:09,582 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 08:41:09,583 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-28 08:41:09,651 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 08:41:09,660 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 08:41:09,661 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-28 08:41:09,686 INFO L276 IsEmpty]: Start isEmpty. Operand has 121 states, 117 states have (on average 1.5726495726495726) internal successors, (184), 120 states have internal predecessors, (184), 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 08:41:09,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-28 08:41:09,695 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:41:09,696 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 08:41:09,696 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 08:41:09,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:41:09,704 INFO L85 PathProgramCache]: Analyzing trace with hash -458581887, now seen corresponding path program 1 times [2021-10-28 08:41:09,718 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:41:09,718 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655131129] [2021-10-28 08:41:09,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:41:09,720 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:41:09,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:41:10,159 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 08:41:10,159 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:41:10,160 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655131129] [2021-10-28 08:41:10,161 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655131129] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:41:10,162 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:41:10,162 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 08:41:10,170 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302879503] [2021-10-28 08:41:10,183 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 08:41:10,183 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:41:10,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 08:41:10,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 08:41:10,214 INFO L87 Difference]: Start difference. First operand has 121 states, 117 states have (on average 1.5726495726495726) internal successors, (184), 120 states have internal predecessors, (184), 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 08:41:10,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:41:10,288 INFO L93 Difference]: Finished difference Result 235 states and 360 transitions. [2021-10-28 08:41:10,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 08:41:10,290 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 08:41:10,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:41:10,316 INFO L225 Difference]: With dead ends: 235 [2021-10-28 08:41:10,316 INFO L226 Difference]: Without dead ends: 117 [2021-10-28 08:41:10,321 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 08:41:10,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2021-10-28 08:41:10,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2021-10-28 08:41:10,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 114 states have (on average 1.5087719298245614) internal successors, (172), 116 states have internal predecessors, (172), 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 08:41:10,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 172 transitions. [2021-10-28 08:41:10,402 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 172 transitions. Word has length 18 [2021-10-28 08:41:10,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:41:10,404 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 172 transitions. [2021-10-28 08:41:10,405 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 08:41:10,405 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 172 transitions. [2021-10-28 08:41:10,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-28 08:41:10,410 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:41:10,410 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 08:41:10,411 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 08:41:10,411 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 08:41:10,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:41:10,416 INFO L85 PathProgramCache]: Analyzing trace with hash -356027389, now seen corresponding path program 1 times [2021-10-28 08:41:10,416 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:41:10,417 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105735845] [2021-10-28 08:41:10,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:41:10,417 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:41:10,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:41:10,629 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 08:41:10,629 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:41:10,630 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105735845] [2021-10-28 08:41:10,630 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105735845] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:41:10,630 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:41:10,630 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:41:10,631 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633443381] [2021-10-28 08:41:10,632 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:41:10,633 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:41:10,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:41:10,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:41:10,634 INFO L87 Difference]: Start difference. First operand 117 states and 172 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 08:41:10,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:41:10,660 INFO L93 Difference]: Finished difference Result 117 states and 172 transitions. [2021-10-28 08:41:10,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:41:10,663 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 08:41:10,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:41:10,666 INFO L225 Difference]: With dead ends: 117 [2021-10-28 08:41:10,667 INFO L226 Difference]: Without dead ends: 49 [2021-10-28 08:41:10,669 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 08:41:10,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-10-28 08:41:10,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-10-28 08:41:10,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.4791666666666667) internal successors, (71), 48 states have internal predecessors, (71), 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 08:41:10,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2021-10-28 08:41:10,688 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 19 [2021-10-28 08:41:10,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:41:10,689 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2021-10-28 08:41:10,689 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 08:41:10,689 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2021-10-28 08:41:10,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-28 08:41:10,692 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:41:10,692 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 08:41:10,693 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 08:41:10,694 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 08:41:10,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:41:10,696 INFO L85 PathProgramCache]: Analyzing trace with hash 988842679, now seen corresponding path program 1 times [2021-10-28 08:41:10,696 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:41:10,697 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845386511] [2021-10-28 08:41:10,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:41:10,698 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:41:10,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:41:10,884 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 08:41:10,885 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:41:10,886 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845386511] [2021-10-28 08:41:10,890 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845386511] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:41:10,891 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:41:10,891 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 08:41:10,892 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578694311] [2021-10-28 08:41:10,893 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 08:41:10,894 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:41:10,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 08:41:10,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:41:10,896 INFO L87 Difference]: Start difference. First operand 49 states and 71 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 08:41:10,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:41:10,977 INFO L93 Difference]: Finished difference Result 91 states and 135 transitions. [2021-10-28 08:41:10,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 08:41:10,982 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 08:41:10,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:41:10,983 INFO L225 Difference]: With dead ends: 91 [2021-10-28 08:41:10,983 INFO L226 Difference]: Without dead ends: 49 [2021-10-28 08:41:10,984 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 08:41:10,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-10-28 08:41:10,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-10-28 08:41:10,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.4583333333333333) internal successors, (70), 48 states have internal predecessors, (70), 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 08:41:10,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 70 transitions. [2021-10-28 08:41:10,991 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 70 transitions. Word has length 24 [2021-10-28 08:41:10,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:41:10,991 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 70 transitions. [2021-10-28 08:41:10,991 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 08:41:10,992 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 70 transitions. [2021-10-28 08:41:10,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-28 08:41:10,996 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:41:10,996 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 08:41:10,997 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 08:41:10,997 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 08:41:10,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:41:11,000 INFO L85 PathProgramCache]: Analyzing trace with hash -524841611, now seen corresponding path program 1 times [2021-10-28 08:41:11,000 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:41:11,000 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632178476] [2021-10-28 08:41:11,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:41:11,001 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:41:11,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:41:11,141 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 08:41:11,141 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:41:11,142 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632178476] [2021-10-28 08:41:11,142 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632178476] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:41:11,142 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:41:11,143 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 08:41:11,143 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111425307] [2021-10-28 08:41:11,143 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:41:11,144 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:41:11,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:41:11,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:41:11,145 INFO L87 Difference]: Start difference. First operand 49 states and 70 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 08:41:11,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:41:11,179 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2021-10-28 08:41:11,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:41:11,179 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 08:41:11,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:41:11,181 INFO L225 Difference]: With dead ends: 113 [2021-10-28 08:41:11,181 INFO L226 Difference]: Without dead ends: 71 [2021-10-28 08:41:11,182 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 08:41:11,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-10-28 08:41:11,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 69. [2021-10-28 08:41:11,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 68 states have (on average 1.4411764705882353) internal successors, (98), 68 states have internal predecessors, (98), 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 08:41:11,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 98 transitions. [2021-10-28 08:41:11,197 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 98 transitions. Word has length 26 [2021-10-28 08:41:11,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:41:11,197 INFO L470 AbstractCegarLoop]: Abstraction has 69 states and 98 transitions. [2021-10-28 08:41:11,197 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 08:41:11,198 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 98 transitions. [2021-10-28 08:41:11,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-28 08:41:11,199 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:41:11,199 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 08:41:11,200 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 08:41:11,200 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 08:41:11,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:41:11,201 INFO L85 PathProgramCache]: Analyzing trace with hash -65166556, now seen corresponding path program 1 times [2021-10-28 08:41:11,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:41:11,205 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248874830] [2021-10-28 08:41:11,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:41:11,206 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:41:11,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:41:11,340 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 08:41:11,341 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:41:11,341 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248874830] [2021-10-28 08:41:11,342 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248874830] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:41:11,342 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:41:11,342 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 08:41:11,342 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670054479] [2021-10-28 08:41:11,343 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 08:41:11,343 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:41:11,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 08:41:11,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:41:11,345 INFO L87 Difference]: Start difference. First operand 69 states and 98 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 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 08:41:11,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:41:11,445 INFO L93 Difference]: Finished difference Result 182 states and 258 transitions. [2021-10-28 08:41:11,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 08:41:11,446 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 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 08:41:11,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:41:11,449 INFO L225 Difference]: With dead ends: 182 [2021-10-28 08:41:11,450 INFO L226 Difference]: Without dead ends: 120 [2021-10-28 08:41:11,450 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 08:41:11,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2021-10-28 08:41:11,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 75. [2021-10-28 08:41:11,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 74 states have (on average 1.4054054054054055) internal successors, (104), 74 states have internal predecessors, (104), 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 08:41:11,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 104 transitions. [2021-10-28 08:41:11,473 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 104 transitions. Word has length 32 [2021-10-28 08:41:11,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:41:11,474 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 104 transitions. [2021-10-28 08:41:11,474 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 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 08:41:11,475 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 104 transitions. [2021-10-28 08:41:11,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-28 08:41:11,483 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:41:11,483 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 08:41:11,483 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 08:41:11,484 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 08:41:11,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:41:11,484 INFO L85 PathProgramCache]: Analyzing trace with hash 868297153, now seen corresponding path program 1 times [2021-10-28 08:41:11,485 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:41:11,485 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232337735] [2021-10-28 08:41:11,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:41:11,486 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:41:11,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:41:11,607 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 08:41:11,607 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:41:11,608 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232337735] [2021-10-28 08:41:11,608 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232337735] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:41:11,608 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:41:11,609 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 08:41:11,610 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711765698] [2021-10-28 08:41:11,615 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 08:41:11,616 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:41:11,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 08:41:11,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:41:11,617 INFO L87 Difference]: Start difference. First operand 75 states and 104 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 08:41:11,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:41:11,739 INFO L93 Difference]: Finished difference Result 387 states and 547 transitions. [2021-10-28 08:41:11,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 08:41:11,740 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 08:41:11,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:41:11,749 INFO L225 Difference]: With dead ends: 387 [2021-10-28 08:41:11,750 INFO L226 Difference]: Without dead ends: 319 [2021-10-28 08:41:11,753 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 08:41:11,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2021-10-28 08:41:11,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 135. [2021-10-28 08:41:11,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 134 states have (on average 1.3880597014925373) internal successors, (186), 134 states have internal predecessors, (186), 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 08:41:11,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 186 transitions. [2021-10-28 08:41:11,796 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 186 transitions. Word has length 32 [2021-10-28 08:41:11,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:41:11,799 INFO L470 AbstractCegarLoop]: Abstraction has 135 states and 186 transitions. [2021-10-28 08:41:11,799 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 08:41:11,799 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 186 transitions. [2021-10-28 08:41:11,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-28 08:41:11,804 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:41:11,804 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 08:41:11,804 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 08:41:11,805 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 08:41:11,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:41:11,806 INFO L85 PathProgramCache]: Analyzing trace with hash 868140617, now seen corresponding path program 1 times [2021-10-28 08:41:11,806 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:41:11,811 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187328116] [2021-10-28 08:41:11,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:41:11,812 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:41:11,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:41:11,904 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 08:41:11,904 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:41:11,904 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187328116] [2021-10-28 08:41:11,905 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187328116] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:41:11,905 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:41:11,906 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 08:41:11,906 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905247439] [2021-10-28 08:41:11,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 08:41:11,907 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:41:11,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 08:41:11,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:41:11,909 INFO L87 Difference]: Start difference. First operand 135 states and 186 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 08:41:12,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:41:12,065 INFO L93 Difference]: Finished difference Result 506 states and 701 transitions. [2021-10-28 08:41:12,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 08:41:12,066 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 08:41:12,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:41:12,070 INFO L225 Difference]: With dead ends: 506 [2021-10-28 08:41:12,070 INFO L226 Difference]: Without dead ends: 378 [2021-10-28 08:41:12,073 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 08:41:12,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2021-10-28 08:41:12,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 134. [2021-10-28 08:41:12,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 133 states have (on average 1.3759398496240602) internal successors, (183), 133 states have internal predecessors, (183), 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 08:41:12,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 183 transitions. [2021-10-28 08:41:12,097 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 183 transitions. Word has length 33 [2021-10-28 08:41:12,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:41:12,099 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 183 transitions. [2021-10-28 08:41:12,099 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 08:41:12,099 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 183 transitions. [2021-10-28 08:41:12,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-28 08:41:12,101 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:41:12,101 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 08:41:12,102 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 08:41:12,102 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 08:41:12,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:41:12,104 INFO L85 PathProgramCache]: Analyzing trace with hash 635741486, now seen corresponding path program 1 times [2021-10-28 08:41:12,109 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:41:12,110 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174885005] [2021-10-28 08:41:12,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:41:12,111 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:41:12,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:41:12,215 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 08:41:12,215 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:41:12,216 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174885005] [2021-10-28 08:41:12,216 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174885005] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:41:12,216 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:41:12,216 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 08:41:12,217 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978096735] [2021-10-28 08:41:12,217 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 08:41:12,217 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:41:12,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 08:41:12,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-28 08:41:12,219 INFO L87 Difference]: Start difference. First operand 134 states and 183 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 08:41:12,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:41:12,335 INFO L93 Difference]: Finished difference Result 357 states and 483 transitions. [2021-10-28 08:41:12,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 08:41:12,336 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 08:41:12,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:41:12,338 INFO L225 Difference]: With dead ends: 357 [2021-10-28 08:41:12,338 INFO L226 Difference]: Without dead ends: 230 [2021-10-28 08:41:12,339 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 08:41:12,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2021-10-28 08:41:12,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 142. [2021-10-28 08:41:12,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 141 states have (on average 1.3546099290780143) internal successors, (191), 141 states have internal predecessors, (191), 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 08:41:12,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 191 transitions. [2021-10-28 08:41:12,364 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 191 transitions. Word has length 33 [2021-10-28 08:41:12,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:41:12,366 INFO L470 AbstractCegarLoop]: Abstraction has 142 states and 191 transitions. [2021-10-28 08:41:12,366 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 08:41:12,366 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 191 transitions. [2021-10-28 08:41:12,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-28 08:41:12,367 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:41:12,368 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 08:41:12,368 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 08:41:12,369 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 08:41:12,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:41:12,369 INFO L85 PathProgramCache]: Analyzing trace with hash 48935472, now seen corresponding path program 1 times [2021-10-28 08:41:12,370 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:41:12,370 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405546618] [2021-10-28 08:41:12,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:41:12,370 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:41:12,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:41:12,440 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 08:41:12,440 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:41:12,440 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405546618] [2021-10-28 08:41:12,441 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405546618] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:41:12,441 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:41:12,441 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 08:41:12,441 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141256665] [2021-10-28 08:41:12,442 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:41:12,442 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:41:12,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:41:12,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:41:12,443 INFO L87 Difference]: Start difference. First operand 142 states and 191 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 08:41:12,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:41:12,492 INFO L93 Difference]: Finished difference Result 327 states and 439 transitions. [2021-10-28 08:41:12,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:41:12,492 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 08:41:12,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:41:12,497 INFO L225 Difference]: With dead ends: 327 [2021-10-28 08:41:12,497 INFO L226 Difference]: Without dead ends: 192 [2021-10-28 08:41:12,498 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 08:41:12,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2021-10-28 08:41:12,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192. [2021-10-28 08:41:12,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 191 states have (on average 1.3141361256544504) internal successors, (251), 191 states have internal predecessors, (251), 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 08:41:12,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 251 transitions. [2021-10-28 08:41:12,526 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 251 transitions. Word has length 33 [2021-10-28 08:41:12,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:41:12,527 INFO L470 AbstractCegarLoop]: Abstraction has 192 states and 251 transitions. [2021-10-28 08:41:12,527 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 08:41:12,527 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 251 transitions. [2021-10-28 08:41:12,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-28 08:41:12,529 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:41:12,529 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 08:41:12,530 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 08:41:12,530 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 08:41:12,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:41:12,531 INFO L85 PathProgramCache]: Analyzing trace with hash 1943567600, now seen corresponding path program 1 times [2021-10-28 08:41:12,531 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:41:12,533 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44960635] [2021-10-28 08:41:12,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:41:12,533 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:41:12,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:41:12,615 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 08:41:12,615 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:41:12,615 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44960635] [2021-10-28 08:41:12,615 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44960635] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:41:12,615 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:41:12,616 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:41:12,616 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913929822] [2021-10-28 08:41:12,618 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 08:41:12,618 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:41:12,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:41:12,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:41:12,619 INFO L87 Difference]: Start difference. First operand 192 states and 251 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 08:41:12,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:41:12,686 INFO L93 Difference]: Finished difference Result 295 states and 389 transitions. [2021-10-28 08:41:12,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:41:12,687 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 08:41:12,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:41:12,692 INFO L225 Difference]: With dead ends: 295 [2021-10-28 08:41:12,692 INFO L226 Difference]: Without dead ends: 293 [2021-10-28 08:41:12,693 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 08:41:12,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2021-10-28 08:41:12,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 234. [2021-10-28 08:41:12,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 233 states have (on average 1.3433476394849786) internal successors, (313), 233 states have internal predecessors, (313), 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 08:41:12,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 313 transitions. [2021-10-28 08:41:12,720 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 313 transitions. Word has length 34 [2021-10-28 08:41:12,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:41:12,720 INFO L470 AbstractCegarLoop]: Abstraction has 234 states and 313 transitions. [2021-10-28 08:41:12,721 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 08:41:12,721 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 313 transitions. [2021-10-28 08:41:12,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-28 08:41:12,723 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:41:12,723 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 08:41:12,723 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-28 08:41:12,724 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 08:41:12,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:41:12,724 INFO L85 PathProgramCache]: Analyzing trace with hash 496339190, now seen corresponding path program 1 times [2021-10-28 08:41:12,724 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:41:12,727 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212237572] [2021-10-28 08:41:12,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:41:12,727 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:41:12,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:41:12,842 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 08:41:12,842 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:41:12,842 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212237572] [2021-10-28 08:41:12,842 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212237572] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:41:12,842 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:41:12,843 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 08:41:12,843 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628799689] [2021-10-28 08:41:12,843 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 08:41:12,843 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:41:12,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 08:41:12,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 08:41:12,844 INFO L87 Difference]: Start difference. First operand 234 states and 313 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 08:41:13,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:41:13,044 INFO L93 Difference]: Finished difference Result 374 states and 510 transitions. [2021-10-28 08:41:13,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 08:41:13,045 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 08:41:13,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:41:13,047 INFO L225 Difference]: With dead ends: 374 [2021-10-28 08:41:13,047 INFO L226 Difference]: Without dead ends: 197 [2021-10-28 08:41:13,048 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 08:41:13,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2021-10-28 08:41:13,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2021-10-28 08:41:13,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 196 states have (on average 1.3010204081632653) internal successors, (255), 196 states have internal predecessors, (255), 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 08:41:13,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 255 transitions. [2021-10-28 08:41:13,078 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 255 transitions. Word has length 58 [2021-10-28 08:41:13,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:41:13,079 INFO L470 AbstractCegarLoop]: Abstraction has 197 states and 255 transitions. [2021-10-28 08:41:13,079 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 08:41:13,079 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 255 transitions. [2021-10-28 08:41:13,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-28 08:41:13,080 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:41:13,081 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, 1, 1] [2021-10-28 08:41:13,081 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-28 08:41:13,081 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 08:41:13,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:41:13,082 INFO L85 PathProgramCache]: Analyzing trace with hash 985757466, now seen corresponding path program 1 times [2021-10-28 08:41:13,082 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:41:13,083 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487584364] [2021-10-28 08:41:13,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:41:13,083 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:41:13,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:41:13,187 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-28 08:41:13,188 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:41:13,188 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487584364] [2021-10-28 08:41:13,188 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487584364] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:41:13,188 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:41:13,188 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-28 08:41:13,189 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347982033] [2021-10-28 08:41:13,190 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 08:41:13,190 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:41:13,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 08:41:13,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-28 08:41:13,191 INFO L87 Difference]: Start difference. First operand 197 states and 255 transitions. Second operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 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 08:41:13,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:41:13,346 INFO L93 Difference]: Finished difference Result 528 states and 701 transitions. [2021-10-28 08:41:13,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 08:41:13,346 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 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 08:41:13,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:41:13,350 INFO L225 Difference]: With dead ends: 528 [2021-10-28 08:41:13,350 INFO L226 Difference]: Without dead ends: 388 [2021-10-28 08:41:13,351 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-10-28 08:41:13,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2021-10-28 08:41:13,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 203. [2021-10-28 08:41:13,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 202 states have (on average 1.2920792079207921) internal successors, (261), 202 states have internal predecessors, (261), 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 08:41:13,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 261 transitions. [2021-10-28 08:41:13,384 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 261 transitions. Word has length 58 [2021-10-28 08:41:13,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:41:13,385 INFO L470 AbstractCegarLoop]: Abstraction has 203 states and 261 transitions. [2021-10-28 08:41:13,385 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 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 08:41:13,385 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 261 transitions. [2021-10-28 08:41:13,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-10-28 08:41:13,386 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 08:41:13,386 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, 1, 1] [2021-10-28 08:41:13,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-28 08:41:13,387 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 08:41:13,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:41:13,388 INFO L85 PathProgramCache]: Analyzing trace with hash 727592028, now seen corresponding path program 1 times [2021-10-28 08:41:13,388 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:41:13,388 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689937575] [2021-10-28 08:41:13,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:41:13,388 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:41:13,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:41:13,541 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:41:13,542 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:41:13,542 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689937575] [2021-10-28 08:41:13,542 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689937575] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:41:13,542 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:41:13,543 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 08:41:13,543 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168155502] [2021-10-28 08:41:13,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 08:41:13,544 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:41:13,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 08:41:13,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 08:41:13,545 INFO L87 Difference]: Start difference. First operand 203 states and 261 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 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 08:41:13,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:41:13,822 INFO L93 Difference]: Finished difference Result 485 states and 640 transitions. [2021-10-28 08:41:13,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 08:41:13,823 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 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 08:41:13,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 08:41:13,823 INFO L225 Difference]: With dead ends: 485 [2021-10-28 08:41:13,824 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 08:41:13,825 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-10-28 08:41:13,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 08:41:13,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 08:41:13,825 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 08:41:13,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 08:41:13,826 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2021-10-28 08:41:13,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 08:41:13,826 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 08:41:13,827 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 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 08:41:13,827 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 08:41:13,827 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 08:41:13,830 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 08:41:13,831 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 08:41:13,831 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 08:41:13,831 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-28 08:41:13,834 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 08:41:13,840 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:41:14,088 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:41:14,089 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:41:14,091 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:41:14,210 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:41:14,211 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:41:14,212 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:41:14,213 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:41:14,352 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:41:14,353 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:41:14,355 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:41:14,503 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:41:14,522 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:41:14,523 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:41:14,524 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:41:14,733 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:41:14,799 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:41:14,800 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:41:14,953 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:41:14,954 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:41:14,955 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:41:14,957 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:41:14,958 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:41:14,960 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:41:14,969 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:41:14,970 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:41:15,060 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:41:15,195 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:41:15,196 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:41:15,197 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:41:15,198 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:41:15,316 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:41:15,318 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:41:15,319 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:41:15,320 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:41:15,320 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:41:15,321 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:41:15,323 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:41:15,323 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:41:15,324 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:41:15,325 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:41:15,343 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:41:15,343 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:41:15,346 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 08:41:19,276 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 986) no Hoare annotation was computed. [2021-10-28 08:41:19,276 INFO L857 garLoopResultBuilder]: For program point L597(lines 597 601) no Hoare annotation was computed. [2021-10-28 08:41:19,277 INFO L853 garLoopResultBuilder]: At program point L597-2(lines 351 357) the Hoare annotation is: (let ((.cse3 (= ~methAndRunningLastTime~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~waterLevel~0 1) .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse6 .cse4 .cse5) (and .cse0 .cse1 (not .cse2) .cse6 .cse4 .cse5))) [2021-10-28 08:41:19,277 INFO L857 garLoopResultBuilder]: For program point L268(lines 268 272) no Hoare annotation was computed. [2021-10-28 08:41:19,277 INFO L857 garLoopResultBuilder]: For program point L104(lines 104 108) no Hoare annotation was computed. [2021-10-28 08:41:19,277 INFO L857 garLoopResultBuilder]: For program point L104-1(lines 351 357) no Hoare annotation was computed. [2021-10-28 08:41:19,277 INFO L853 garLoopResultBuilder]: At program point L336(lines 331 339) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (not (= ~pumpRunning~0 0)) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1) (not (= 0 ~systemActive~0))) [2021-10-28 08:41:19,277 INFO L853 garLoopResultBuilder]: At program point L336-1(lines 331 339) the Hoare annotation is: false [2021-10-28 08:41:19,278 INFO L853 garLoopResultBuilder]: At program point L336-2(lines 331 339) the Hoare annotation is: false [2021-10-28 08:41:19,278 INFO L857 garLoopResultBuilder]: For program point L569(lines 569 575) no Hoare annotation was computed. [2021-10-28 08:41:19,278 INFO L853 garLoopResultBuilder]: At program point L569-1(lines 569 575) the Hoare annotation is: (let ((.cse3 (= ~methAndRunningLastTime~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~waterLevel~0 1) .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse6 .cse4 .cse5) (and .cse0 .cse1 (not .cse2) .cse6 .cse4 .cse5))) [2021-10-28 08:41:19,278 INFO L853 garLoopResultBuilder]: At program point L536(lines 521 539) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (not (= ~pumpRunning~0 0)) (not (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 0)) (not (= |ULTIMATE.start_isLowWaterLevel_#res| 0)) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) (not (= 0 ~systemActive~0))) [2021-10-28 08:41:19,278 INFO L853 garLoopResultBuilder]: At program point L536-1(lines 521 539) the Hoare annotation is: false [2021-10-28 08:41:19,279 INFO L853 garLoopResultBuilder]: At program point L536-2(lines 521 539) the Hoare annotation is: false [2021-10-28 08:41:19,279 INFO L853 garLoopResultBuilder]: At program point L75(lines 1 989) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-10-28 08:41:19,279 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 986) no Hoare annotation was computed. [2021-10-28 08:41:19,280 INFO L857 garLoopResultBuilder]: For program point L177(lines 177 184) no Hoare annotation was computed. [2021-10-28 08:41:19,280 INFO L860 garLoopResultBuilder]: At program point L177-1(lines 177 184) the Hoare annotation is: true [2021-10-28 08:41:19,280 INFO L853 garLoopResultBuilder]: At program point L607(lines 558 608) the Hoare annotation is: false [2021-10-28 08:41:19,280 INFO L857 garLoopResultBuilder]: For program point L409(lines 409 426) no Hoare annotation was computed. [2021-10-28 08:41:19,280 INFO L857 garLoopResultBuilder]: For program point L409-1(lines 409 426) no Hoare annotation was computed. [2021-10-28 08:41:19,280 INFO L857 garLoopResultBuilder]: For program point L409-2(lines 409 426) no Hoare annotation was computed. [2021-10-28 08:41:19,280 INFO L857 garLoopResultBuilder]: For program point L244(lines 244 248) no Hoare annotation was computed. [2021-10-28 08:41:19,281 INFO L857 garLoopResultBuilder]: For program point L211(lines 211 228) no Hoare annotation was computed. [2021-10-28 08:41:19,281 INFO L853 garLoopResultBuilder]: At program point L211-1(lines 1 989) the Hoare annotation is: (let ((.cse3 (= ~methAndRunningLastTime~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~waterLevel~0 1) .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse6 .cse4 .cse5) (and .cse0 .cse1 (not .cse2) .cse6 .cse4 .cse5))) [2021-10-28 08:41:19,281 INFO L857 garLoopResultBuilder]: For program point L244-3(lines 244 248) no Hoare annotation was computed. [2021-10-28 08:41:19,281 INFO L857 garLoopResultBuilder]: For program point L211-2(lines 211 228) no Hoare annotation was computed. [2021-10-28 08:41:19,281 INFO L853 garLoopResultBuilder]: At program point L211-3(lines 1 989) the Hoare annotation is: false [2021-10-28 08:41:19,281 INFO L857 garLoopResultBuilder]: For program point L211-4(lines 211 228) no Hoare annotation was computed. [2021-10-28 08:41:19,281 INFO L857 garLoopResultBuilder]: For program point L244-6(lines 244 248) no Hoare annotation was computed. [2021-10-28 08:41:19,282 INFO L853 garLoopResultBuilder]: At program point L211-5(lines 1 989) the Hoare annotation is: false [2021-10-28 08:41:19,282 INFO L857 garLoopResultBuilder]: For program point L511(lines 511 515) no Hoare annotation was computed. [2021-10-28 08:41:19,282 INFO L857 garLoopResultBuilder]: For program point L511-2(lines 511 515) no Hoare annotation was computed. [2021-10-28 08:41:19,282 INFO L857 garLoopResultBuilder]: For program point L511-3(lines 511 515) no Hoare annotation was computed. [2021-10-28 08:41:19,282 INFO L857 garLoopResultBuilder]: For program point L511-5(lines 511 515) no Hoare annotation was computed. [2021-10-28 08:41:19,282 INFO L857 garLoopResultBuilder]: For program point L511-6(lines 511 515) no Hoare annotation was computed. [2021-10-28 08:41:19,282 INFO L857 garLoopResultBuilder]: For program point L511-8(lines 511 515) no Hoare annotation was computed. [2021-10-28 08:41:19,282 INFO L857 garLoopResultBuilder]: For program point L511-9(lines 511 515) no Hoare annotation was computed. [2021-10-28 08:41:19,283 INFO L857 garLoopResultBuilder]: For program point L511-11(lines 511 515) no Hoare annotation was computed. [2021-10-28 08:41:19,283 INFO L857 garLoopResultBuilder]: For program point L511-12(lines 511 515) no Hoare annotation was computed. [2021-10-28 08:41:19,283 INFO L857 garLoopResultBuilder]: For program point L511-14(lines 511 515) no Hoare annotation was computed. [2021-10-28 08:41:19,283 INFO L857 garLoopResultBuilder]: For program point L511-15(lines 511 515) no Hoare annotation was computed. [2021-10-28 08:41:19,283 INFO L857 garLoopResultBuilder]: For program point L511-17(lines 511 515) no Hoare annotation was computed. [2021-10-28 08:41:19,283 INFO L857 garLoopResultBuilder]: For program point L413(lines 413 421) no Hoare annotation was computed. [2021-10-28 08:41:19,283 INFO L857 garLoopResultBuilder]: For program point L413-1(lines 413 421) no Hoare annotation was computed. [2021-10-28 08:41:19,283 INFO L857 garLoopResultBuilder]: For program point L413-2(lines 413 421) no Hoare annotation was computed. [2021-10-28 08:41:19,284 INFO L853 garLoopResultBuilder]: At program point L281(lines 276 284) the Hoare annotation is: (let ((.cse3 (= ~methAndRunningLastTime~0 0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~waterLevel~0 1) .cse5) (and .cse0 .cse1 .cse3 .cse6 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse6 .cse4 .cse5) (and .cse0 .cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse6 .cse4 .cse5) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (<= 1 ~waterLevel~0) .cse4 (= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) .cse5))) [2021-10-28 08:41:19,284 INFO L853 garLoopResultBuilder]: At program point L281-1(lines 276 284) the Hoare annotation is: false [2021-10-28 08:41:19,284 INFO L857 garLoopResultBuilder]: For program point L215(lines 215 225) no Hoare annotation was computed. [2021-10-28 08:41:19,284 INFO L853 garLoopResultBuilder]: At program point L281-2(lines 276 284) the Hoare annotation is: false [2021-10-28 08:41:19,284 INFO L857 garLoopResultBuilder]: For program point L215-2(lines 215 225) no Hoare annotation was computed. [2021-10-28 08:41:19,284 INFO L853 garLoopResultBuilder]: At program point L83(lines 78 86) 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 08:41:19,285 INFO L857 garLoopResultBuilder]: For program point L215-4(lines 215 225) no Hoare annotation was computed. [2021-10-28 08:41:19,285 INFO L857 garLoopResultBuilder]: For program point L579(lines 579 585) no Hoare annotation was computed. [2021-10-28 08:41:19,285 INFO L853 garLoopResultBuilder]: At program point L579-1(lines 579 585) the Hoare annotation is: (let ((.cse3 (= ~methAndRunningLastTime~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~waterLevel~0 1) .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse6 .cse4 .cse5) (and .cse0 .cse1 (not .cse2) .cse6 .cse4 .cse5))) [2021-10-28 08:41:19,285 INFO L857 garLoopResultBuilder]: For program point L216(lines 216 222) no Hoare annotation was computed. [2021-10-28 08:41:19,285 INFO L857 garLoopResultBuilder]: For program point L216-2(lines 216 222) no Hoare annotation was computed. [2021-10-28 08:41:19,285 INFO L857 garLoopResultBuilder]: For program point L216-4(lines 216 222) no Hoare annotation was computed. [2021-10-28 08:41:19,285 INFO L853 garLoopResultBuilder]: At program point L151(lines 147 153) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= ~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 08:41:19,286 INFO L857 garLoopResultBuilder]: For program point L383(lines 383 400) no Hoare annotation was computed. [2021-10-28 08:41:19,286 INFO L857 garLoopResultBuilder]: For program point L383-1(lines 383 400) no Hoare annotation was computed. [2021-10-28 08:41:19,286 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 08:41:19,286 INFO L857 garLoopResultBuilder]: For program point L383-2(lines 383 400) no Hoare annotation was computed. [2021-10-28 08:41:19,286 INFO L857 garLoopResultBuilder]: For program point L383-3(lines 383 400) no Hoare annotation was computed. [2021-10-28 08:41:19,286 INFO L857 garLoopResultBuilder]: For program point L383-4(lines 383 400) no Hoare annotation was computed. [2021-10-28 08:41:19,286 INFO L857 garLoopResultBuilder]: For program point L383-5(lines 383 400) no Hoare annotation was computed. [2021-10-28 08:41:19,287 INFO L853 garLoopResultBuilder]: At program point L351(lines 350 369) the Hoare annotation is: (let ((.cse3 (= ~methAndRunningLastTime~0 0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse8 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse7 (<= 1 ~waterLevel~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~waterLevel~0 1) .cse5) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse6 .cse7 .cse4 (= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse8 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse6 .cse8 .cse4 .cse5) (and .cse0 .cse1 (not .cse2) .cse7 .cse4 .cse5))) [2021-10-28 08:41:19,287 INFO L857 garLoopResultBuilder]: For program point L351-1(lines 351 357) no Hoare annotation was computed. [2021-10-28 08:41:19,287 INFO L853 garLoopResultBuilder]: At program point L351-2(lines 350 369) the Hoare annotation is: false [2021-10-28 08:41:19,287 INFO L853 garLoopResultBuilder]: At program point L351-3(lines 350 369) the Hoare annotation is: false [2021-10-28 08:41:19,287 INFO L860 garLoopResultBuilder]: At program point L186(lines 167 189) the Hoare annotation is: true [2021-10-28 08:41:19,287 INFO L853 garLoopResultBuilder]: At program point L517(lines 502 520) the Hoare annotation is: false [2021-10-28 08:41:19,287 INFO L853 garLoopResultBuilder]: At program point L517-1(lines 502 520) the Hoare annotation is: (let ((.cse9 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse8 (= ~methAndRunningLastTime~0 0)) (.cse4 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse5 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0))) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse7 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse4 .cse5 (<= 1 ~waterLevel~0) .cse6 (= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) .cse7) (and .cse0 .cse1 .cse3 .cse8 .cse9 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse9 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse3 (= ~methaneLevelCritical~0 0) .cse9 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 .cse8 .cse4 .cse5 .cse6 (= ~waterLevel~0 1) .cse7))) [2021-10-28 08:41:19,287 INFO L853 garLoopResultBuilder]: At program point L517-2(lines 502 520) the Hoare annotation is: false [2021-10-28 08:41:19,288 INFO L853 garLoopResultBuilder]: At program point L517-3(lines 502 520) the Hoare annotation is: false [2021-10-28 08:41:19,288 INFO L853 garLoopResultBuilder]: At program point L517-4(lines 502 520) the Hoare annotation is: false [2021-10-28 08:41:19,288 INFO L853 garLoopResultBuilder]: At program point L517-5(lines 502 520) the Hoare annotation is: false [2021-10-28 08:41:19,288 INFO L857 garLoopResultBuilder]: For program point L387(lines 387 395) no Hoare annotation was computed. [2021-10-28 08:41:19,288 INFO L857 garLoopResultBuilder]: For program point L387-1(lines 387 395) no Hoare annotation was computed. [2021-10-28 08:41:19,288 INFO L857 garLoopResultBuilder]: For program point L321(lines 321 327) no Hoare annotation was computed. [2021-10-28 08:41:19,288 INFO L857 garLoopResultBuilder]: For program point L387-2(lines 387 395) no Hoare annotation was computed. [2021-10-28 08:41:19,288 INFO L857 garLoopResultBuilder]: For program point L321-1(lines 321 327) no Hoare annotation was computed. [2021-10-28 08:41:19,289 INFO L857 garLoopResultBuilder]: For program point L387-3(lines 387 395) no Hoare annotation was computed. [2021-10-28 08:41:19,289 INFO L857 garLoopResultBuilder]: For program point L321-2(lines 321 327) no Hoare annotation was computed. [2021-10-28 08:41:19,289 INFO L857 garLoopResultBuilder]: For program point L387-4(lines 387 395) no Hoare annotation was computed. [2021-10-28 08:41:19,289 INFO L857 garLoopResultBuilder]: For program point L321-3(lines 321 327) no Hoare annotation was computed. [2021-10-28 08:41:19,289 INFO L857 garLoopResultBuilder]: For program point L387-5(lines 387 395) no Hoare annotation was computed. [2021-10-28 08:41:19,289 INFO L857 garLoopResultBuilder]: For program point L321-4(lines 321 327) no Hoare annotation was computed. [2021-10-28 08:41:19,289 INFO L857 garLoopResultBuilder]: For program point L321-5(lines 321 327) no Hoare annotation was computed. [2021-10-28 08:41:19,289 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 08:41:19,290 INFO L857 garLoopResultBuilder]: For program point L256(lines 256 260) no Hoare annotation was computed. [2021-10-28 08:41:19,290 INFO L857 garLoopResultBuilder]: For program point L589(lines 589 602) no Hoare annotation was computed. [2021-10-28 08:41:19,290 INFO L853 garLoopResultBuilder]: At program point L358(lines 358 364) the Hoare annotation is: (let ((.cse3 (= ~methAndRunningLastTime~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= 2 ~waterLevel~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~waterLevel~0 1) .cse5) (and .cse0 .cse1 .cse3 .cse6 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse6 .cse4 .cse5) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (<= 1 ~waterLevel~0) .cse4 (= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) .cse5) (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse6 .cse4 .cse5))) [2021-10-28 08:41:19,290 INFO L853 garLoopResultBuilder]: At program point L358-1(lines 358 364) the Hoare annotation is: false [2021-10-28 08:41:19,290 INFO L853 garLoopResultBuilder]: At program point L358-2(lines 358 364) the Hoare annotation is: false [2021-10-28 08:41:19,290 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 08:41:19,290 INFO L857 garLoopResultBuilder]: For program point L986(line 986) no Hoare annotation was computed. [2021-10-28 08:41:19,291 INFO L857 garLoopResultBuilder]: For program point L986-1(line 986) no Hoare annotation was computed. [2021-10-28 08:41:19,291 INFO L857 garLoopResultBuilder]: For program point L986-2(line 986) no Hoare annotation was computed. [2021-10-28 08:41:19,291 INFO L853 garLoopResultBuilder]: At program point L326(lines 317 330) the Hoare annotation is: false [2021-10-28 08:41:19,291 INFO L853 garLoopResultBuilder]: At program point L326-1(lines 317 330) the Hoare annotation is: (let ((.cse4 (= ~methAndRunningLastTime~0 0)) (.cse1 (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse7 (<= 2 ~waterLevel~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= ~waterLevel~0 1) .cse6) (and .cse0 .cse2 .cse3 .cse4 .cse7 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (<= 1 ~waterLevel~0) .cse5 (= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) .cse6) (and .cse0 .cse2 .cse3 (= ~methaneLevelCritical~0 0) .cse7 .cse5 .cse6))) [2021-10-28 08:41:19,291 INFO L853 garLoopResultBuilder]: At program point L326-2(lines 317 330) the Hoare annotation is: false [2021-10-28 08:41:19,291 INFO L853 garLoopResultBuilder]: At program point L326-3(lines 317 330) the Hoare annotation is: false [2021-10-28 08:41:19,291 INFO L853 garLoopResultBuilder]: At program point L326-4(lines 317 330) the Hoare annotation is: false [2021-10-28 08:41:19,292 INFO L853 garLoopResultBuilder]: At program point L326-5(lines 317 330) the Hoare annotation is: false [2021-10-28 08:41:19,292 INFO L857 garLoopResultBuilder]: For program point L560(lines 559 606) no Hoare annotation was computed. [2021-10-28 08:41:19,292 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 08:41:19,292 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 986) no Hoare annotation was computed. [2021-10-28 08:41:19,292 INFO L857 garLoopResultBuilder]: For program point L561(lines 561 565) no Hoare annotation was computed. [2021-10-28 08:41:19,292 INFO L853 garLoopResultBuilder]: At program point L462(lines 457 465) the Hoare annotation is: (let ((.cse3 (<= 2 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_main_~tmp~0 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse7 (= ~methAndRunningLastTime~0 0)) (.cse4 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse7 (not .cse2) .cse3 .cse5 .cse6) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) .cse4 (<= 1 ~waterLevel~0) .cse5 (= ULTIMATE.start_isLowWaterLevel_~tmp~5 0) .cse6) (and .cse0 .cse1 .cse2 .cse7 .cse4 .cse5 (= ~waterLevel~0 1) .cse6))) [2021-10-28 08:41:19,292 INFO L853 garLoopResultBuilder]: At program point L462-1(lines 457 465) the Hoare annotation is: false [2021-10-28 08:41:19,293 INFO L853 garLoopResultBuilder]: At program point L462-2(lines 457 465) the Hoare annotation is: false [2021-10-28 08:41:19,293 INFO L853 garLoopResultBuilder]: At program point L100-2(lines 100 114) the Hoare annotation is: false [2021-10-28 08:41:19,293 INFO L857 garLoopResultBuilder]: For program point L530(lines 530 534) no Hoare annotation was computed. [2021-10-28 08:41:19,293 INFO L857 garLoopResultBuilder]: For program point L530-2(lines 530 534) no Hoare annotation was computed. [2021-10-28 08:41:19,293 INFO L857 garLoopResultBuilder]: For program point L530-3(lines 530 534) no Hoare annotation was computed. [2021-10-28 08:41:19,293 INFO L857 garLoopResultBuilder]: For program point L530-5(lines 530 534) no Hoare annotation was computed. [2021-10-28 08:41:19,293 INFO L857 garLoopResultBuilder]: For program point L530-6(lines 530 534) no Hoare annotation was computed. [2021-10-28 08:41:19,293 INFO L857 garLoopResultBuilder]: For program point L530-8(lines 530 534) no Hoare annotation was computed. [2021-10-28 08:41:19,294 INFO L853 garLoopResultBuilder]: At program point L200(lines 195 202) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~0 1) (= ~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 08:41:19,294 INFO L857 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-10-28 08:41:19,298 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:41:19,300 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 08:41:19,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 08:41:19 BoogieIcfgContainer [2021-10-28 08:41:19,345 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 08:41:19,346 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 08:41:19,346 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 08:41:19,346 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 08:41:19,347 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:41:09" (3/4) ... [2021-10-28 08:41:19,351 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 08:41:19,382 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-28 08:41:19,383 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-28 08:41:19,385 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-28 08:41:19,387 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-28 08:41:19,388 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 08:41:19,390 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 08:41:19,392 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 08:41:19,424 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 08:41:19,425 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-10-28 08:41:19,425 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2021-10-28 08:41:19,425 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && !(pumpRunning == 0)) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive)) [2021-10-28 08:41:19,426 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && !(pumpRunning == 0)) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive)) [2021-10-28 08:41:19,427 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && !(pumpRunning == 0)) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive)) [2021-10-28 08:41:19,427 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && !(pumpRunning == 0)) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive)) [2021-10-28 08:41:19,428 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || ((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 <= waterLevel) && \result == 1) && tmp == 0) && !(0 == systemActive))) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && !(pumpRunning == 0)) && 1 <= waterLevel) && \result == 1) && !(0 == systemActive)) [2021-10-28 08:41:19,428 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || (((((tmp == 1 && splverifierCounter == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && 1 <= waterLevel) && \result == 1) && tmp == 0) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive)) [2021-10-28 08:41:19,430 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || (((((tmp == 1 && splverifierCounter == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || ((((((tmp == 1 && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && 1 <= waterLevel) && \result == 1) && tmp == 0) && !(0 == systemActive)) [2021-10-28 08:41:19,431 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((tmp == 1 && splverifierCounter == 0) && \result == 0) && !(pumpRunning == 0)) && 1 <= waterLevel) && \result == 1) && !(0 == systemActive) [2021-10-28 08:41:19,432 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 1 && !(\result == 0)) && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || ((((((((tmp == 1 && !(\result == 0)) && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && 1 <= waterLevel) && \result == 1) && tmp == 0) && !(0 == systemActive))) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive)) [2021-10-28 08:41:19,433 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 0) && \result == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && methAndRunningLastTime == 0) && !(pumpRunning == 0)) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || ((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && \result == 0) && 1 <= waterLevel) && \result == 1) && tmp == 0) && !(0 == systemActive))) || (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) [2021-10-28 08:41:19,433 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((tmp == 1 && splverifierCounter == 0) && \result == 0) && !(pumpRunning == 0)) && !(tmp___0 == 0)) && !(\result == 0)) && 1 <= waterLevel) && \result == 1) && tmp == 0) && !(0 == systemActive) [2021-10-28 08:41:19,437 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((tmp == 1 && splverifierCounter == 0) && tmp___0 == 0) && pumpRunning == 0) && \result == 0) && \result == 0) && !(tmp == 0)) && 1 <= waterLevel) && \result == 1) && tmp == 0) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || ((((((((tmp == 1 && splverifierCounter == 0) && tmp___0 == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 0) && !(tmp == 0)) && \result == 1) && !(0 == systemActive))) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || (((((((((tmp == 1 && splverifierCounter == 0) && tmp___0 == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 0) && !(tmp == 0)) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) [2021-10-28 08:41:19,542 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e74f92-7b79-477a-97ab-3070174c2e85/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 08:41:19,542 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 08:41:19,545 INFO L168 Benchmark]: Toolchain (without parser) took 12286.35 ms. Allocated memory was 117.4 MB in the beginning and 182.5 MB in the end (delta: 65.0 MB). Free memory was 80.4 MB in the beginning and 71.2 MB in the end (delta: 9.2 MB). Peak memory consumption was 74.9 MB. Max. memory is 16.1 GB. [2021-10-28 08:41:19,545 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 117.4 MB. Free memory was 90.9 MB in the beginning and 90.9 MB in the end (delta: 29.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:41:19,546 INFO L168 Benchmark]: CACSL2BoogieTranslator took 624.09 ms. Allocated memory is still 117.4 MB. Free memory was 80.2 MB in the beginning and 83.5 MB in the end (delta: -3.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 08:41:19,547 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.46 ms. Allocated memory is still 117.4 MB. Free memory was 83.5 MB in the beginning and 80.0 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 08:41:19,547 INFO L168 Benchmark]: Boogie Preprocessor took 70.00 ms. Allocated memory is still 117.4 MB. Free memory was 80.0 MB in the beginning and 77.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 08:41:19,548 INFO L168 Benchmark]: RCFGBuilder took 1513.08 ms. Allocated memory was 117.4 MB in the beginning and 151.0 MB in the end (delta: 33.6 MB). Free memory was 77.3 MB in the beginning and 120.3 MB in the end (delta: -43.0 MB). Peak memory consumption was 47.4 MB. Max. memory is 16.1 GB. [2021-10-28 08:41:19,549 INFO L168 Benchmark]: TraceAbstraction took 9781.10 ms. Allocated memory was 151.0 MB in the beginning and 182.5 MB in the end (delta: 31.5 MB). Free memory was 120.3 MB in the beginning and 81.7 MB in the end (delta: 38.7 MB). Peak memory consumption was 105.7 MB. Max. memory is 16.1 GB. [2021-10-28 08:41:19,549 INFO L168 Benchmark]: Witness Printer took 196.39 ms. Allocated memory is still 182.5 MB. Free memory was 81.7 MB in the beginning and 71.2 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 08:41:19,552 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 117.4 MB. Free memory was 90.9 MB in the beginning and 90.9 MB in the end (delta: 29.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 624.09 ms. Allocated memory is still 117.4 MB. Free memory was 80.2 MB in the beginning and 83.5 MB in the end (delta: -3.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 85.46 ms. Allocated memory is still 117.4 MB. Free memory was 83.5 MB in the beginning and 80.0 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 70.00 ms. Allocated memory is still 117.4 MB. Free memory was 80.0 MB in the beginning and 77.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1513.08 ms. Allocated memory was 117.4 MB in the beginning and 151.0 MB in the end (delta: 33.6 MB). Free memory was 77.3 MB in the beginning and 120.3 MB in the end (delta: -43.0 MB). Peak memory consumption was 47.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 9781.10 ms. Allocated memory was 151.0 MB in the beginning and 182.5 MB in the end (delta: 31.5 MB). Free memory was 120.3 MB in the beginning and 81.7 MB in the end (delta: 38.7 MB). Peak memory consumption was 105.7 MB. Max. memory is 16.1 GB. * Witness Printer took 196.39 ms. Allocated memory is still 182.5 MB. Free memory was 81.7 MB in the beginning and 71.2 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: 986]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 986]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 986]: 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, 121 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 9.6s, OverallIterations: 13, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1235 SDtfs, 1858 SDslu, 1702 SDs, 0 SdLazy, 228 SolverSat, 48 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 98 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=234occurred in iteration=10, InterpolantAutomatonStates: 69, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 807 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 171 NumberOfFragments, 1138 HoareAnnotationTreeSize, 44 FomulaSimplifications, 380260 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 44 FomulaSimplificationsInter, 92190 FormulaSimplificationTreeSizeReductionInter, 3.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 458 NumberOfCodeBlocks, 458 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 445 ConstructedInterpolants, 0 QuantifiedInterpolants, 831 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 58/58 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: 350]: Loop Invariant Derived loop invariant: (((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || ((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && 1 <= waterLevel) && \result == 1) && tmp == 0) && !(0 == systemActive))) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && !(pumpRunning == 0)) && 1 <= waterLevel) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: (((((tmp == 1 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && !(pumpRunning == 0)) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 331]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && !(pumpRunning == 0)) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && !(pumpRunning == 0)) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 331]: Loop Invariant Derived loop invariant: (((((tmp == 1 && splverifierCounter == 0) && \result == 0) && !(pumpRunning == 0)) && 1 <= waterLevel) && \result == 1) && !(0 == systemActive) - InvariantResult [Line: 331]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: (((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || (((((tmp == 1 && splverifierCounter == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && 1 <= waterLevel) && \result == 1) && tmp == 0) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: ((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 0) && \result == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && methAndRunningLastTime == 0) && !(pumpRunning == 0)) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || ((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && \result == 0) && 1 <= waterLevel) && \result == 1) && tmp == 0) && !(0 == systemActive))) || (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: (((((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || (((((tmp == 1 && splverifierCounter == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || ((((((tmp == 1 && splverifierCounter == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && 1 <= waterLevel) && \result == 1) && tmp == 0) && !(0 == systemActive)) - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: (((((tmp == 1 && pumpRunning == 0) && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 457]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: (((((((((tmp == 1 && !(\result == 0)) && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || ((((((((tmp == 1 && !(\result == 0)) && splverifierCounter == 0) && pumpRunning == 0) && \result == 0) && 1 <= waterLevel) && \result == 1) && tmp == 0) && !(0 == systemActive))) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: (((((((((((((tmp == 1 && splverifierCounter == 0) && tmp___0 == 0) && pumpRunning == 0) && \result == 0) && \result == 0) && !(tmp == 0)) && 1 <= waterLevel) && \result == 1) && tmp == 0) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || ((((((((tmp == 1 && splverifierCounter == 0) && tmp___0 == 0) && pumpRunning == 0) && 2 <= waterLevel) && \result == 0) && !(tmp == 0)) && \result == 1) && !(0 == systemActive))) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || (((((((((tmp == 1 && splverifierCounter == 0) && tmp___0 == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 0) && !(tmp == 0)) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 351]: Loop Invariant Derived loop invariant: (((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive)) || ((((((tmp == 1 && splverifierCounter == 0) && pumpRunning == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && !(pumpRunning == 0)) && 2 <= waterLevel) && \result == 1) && !(0 == systemActive)) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 558]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: ((((((((tmp == 1 && splverifierCounter == 0) && \result == 0) && !(pumpRunning == 0)) && !(tmp___0 == 0)) && !(\result == 0)) && 1 <= waterLevel) && \result == 1) && tmp == 0) && !(0 == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 502]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-28 08:41:19,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41e74f92-7b79-477a-97ab-3070174c2e85/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...