./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product37.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_d3422bf0-0831-42c3-9e0f-9dd867245331/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3422bf0-0831-42c3-9e0f-9dd867245331/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3422bf0-0831-42c3-9e0f-9dd867245331/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3422bf0-0831-42c3-9e0f-9dd867245331/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3422bf0-0831-42c3-9e0f-9dd867245331/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3422bf0-0831-42c3-9e0f-9dd867245331/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 29e70cf9c9b1d0bd005d907ed1d78af9dd0d19752a19f66dfee72f35dd243fc7 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:10:51,677 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:10:51,680 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:10:51,721 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:10:51,722 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:10:51,724 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:10:51,727 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:10:51,730 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:10:51,734 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:10:51,738 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:10:51,740 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:10:51,744 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:10:51,745 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:10:51,756 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:10:51,761 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:10:51,767 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:10:51,771 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:10:51,775 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:10:51,778 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:10:51,783 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:10:51,794 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:10:51,796 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:10:51,798 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:10:51,801 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:10:51,807 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:10:51,813 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:10:51,814 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:10:51,817 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:10:51,817 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:10:51,819 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:10:51,821 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:10:51,822 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:10:51,825 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:10:51,826 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:10:51,829 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:10:51,829 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:10:51,830 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:10:51,830 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:10:51,831 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:10:51,832 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:10:51,833 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:10:51,834 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3422bf0-0831-42c3-9e0f-9dd867245331/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 23:10:51,897 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:10:51,902 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:10:51,903 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:10:51,904 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:10:51,906 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:10:51,906 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:10:51,906 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:10:51,907 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:10:51,907 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:10:51,907 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:10:51,909 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:10:51,909 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:10:51,909 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:10:51,909 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:10:51,910 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:10:51,910 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:10:51,910 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:10:51,911 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:10:51,911 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:10:51,911 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:10:51,911 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:10:51,912 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:10:51,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:10:51,912 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:10:51,913 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:10:51,913 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:10:51,913 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:10:51,914 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:10:51,914 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:10:51,916 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:10:51,916 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:10:51,916 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:10:51,917 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_d3422bf0-0831-42c3-9e0f-9dd867245331/bin/uautomizer-GMMbpWq8iD/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3422bf0-0831-42c3-9e0f-9dd867245331/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 29e70cf9c9b1d0bd005d907ed1d78af9dd0d19752a19f66dfee72f35dd243fc7 [2021-10-28 23:10:52,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:10:52,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:10:52,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:10:52,349 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:10:52,350 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:10:52,351 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3422bf0-0831-42c3-9e0f-9dd867245331/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c [2021-10-28 23:10:52,448 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3422bf0-0831-42c3-9e0f-9dd867245331/bin/uautomizer-GMMbpWq8iD/data/a48b9f8fa/478d4bf5d9054f9b9b2ada00059d378e/FLAG130407210 [2021-10-28 23:10:53,095 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:10:53,096 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3422bf0-0831-42c3-9e0f-9dd867245331/sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c [2021-10-28 23:10:53,126 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3422bf0-0831-42c3-9e0f-9dd867245331/bin/uautomizer-GMMbpWq8iD/data/a48b9f8fa/478d4bf5d9054f9b9b2ada00059d378e/FLAG130407210 [2021-10-28 23:10:53,335 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3422bf0-0831-42c3-9e0f-9dd867245331/bin/uautomizer-GMMbpWq8iD/data/a48b9f8fa/478d4bf5d9054f9b9b2ada00059d378e [2021-10-28 23:10:53,342 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:10:53,345 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:10:53,348 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:10:53,348 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:10:53,353 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:10:53,354 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:10:53" (1/1) ... [2021-10-28 23:10:53,357 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b8ab9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:10:53, skipping insertion in model container [2021-10-28 23:10:53,357 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:10:53" (1/1) ... [2021-10-28 23:10:53,367 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:10:53,438 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:10:53,847 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_d3422bf0-0831-42c3-9e0f-9dd867245331/sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c[17206,17219] [2021-10-28 23:10:53,862 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:10:53,884 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:10:53,990 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_d3422bf0-0831-42c3-9e0f-9dd867245331/sv-benchmarks/c/product-lines/minepump_spec3_product37.cil.c[17206,17219] [2021-10-28 23:10:53,993 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:10:54,017 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:10:54,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:10:54 WrapperNode [2021-10-28 23:10:54,018 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:10:54,019 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:10:54,019 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:10:54,020 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:10:54,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:10:54" (1/1) ... [2021-10-28 23:10:54,051 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:10:54" (1/1) ... [2021-10-28 23:10:54,112 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:10:54,115 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:10:54,116 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:10:54,116 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:10:54,127 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:10:54" (1/1) ... [2021-10-28 23:10:54,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:10:54" (1/1) ... [2021-10-28 23:10:54,134 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:10:54" (1/1) ... [2021-10-28 23:10:54,135 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:10:54" (1/1) ... [2021-10-28 23:10:54,153 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:10:54" (1/1) ... [2021-10-28 23:10:54,164 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:10:54" (1/1) ... [2021-10-28 23:10:54,168 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:10:54" (1/1) ... [2021-10-28 23:10:54,175 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:10:54,176 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:10:54,176 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:10:54,177 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:10:54,178 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:10:54" (1/1) ... [2021-10-28 23:10:54,200 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:10:54,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3422bf0-0831-42c3-9e0f-9dd867245331/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:10:54,234 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3422bf0-0831-42c3-9e0f-9dd867245331/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:10:54,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3422bf0-0831-42c3-9e0f-9dd867245331/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:10:54,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:10:54,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:10:54,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:10:54,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:10:55,470 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:10:55,470 INFO L299 CfgBuilder]: Removed 162 assume(true) statements. [2021-10-28 23:10:55,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:10:55 BoogieIcfgContainer [2021-10-28 23:10:55,474 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:10:55,477 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:10:55,477 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:10:55,481 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:10:55,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:10:53" (1/3) ... [2021-10-28 23:10:55,483 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@629fba20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:10:55, skipping insertion in model container [2021-10-28 23:10:55,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:10:54" (2/3) ... [2021-10-28 23:10:55,484 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@629fba20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:10:55, skipping insertion in model container [2021-10-28 23:10:55,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:10:55" (3/3) ... [2021-10-28 23:10:55,487 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product37.cil.c [2021-10-28 23:10:55,494 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:10:55,494 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-28 23:10:55,565 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:10:55,573 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 23:10:55,574 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-28 23:10:55,594 INFO L276 IsEmpty]: Start isEmpty. Operand has 117 states, 113 states have (on average 1.5663716814159292) internal successors, (177), 116 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:10:55,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-28 23:10:55,602 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:10:55,602 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:10:55,603 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:10:55,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:10:55,607 INFO L85 PathProgramCache]: Analyzing trace with hash -259966017, now seen corresponding path program 1 times [2021-10-28 23:10:55,616 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:10:55,617 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372640033] [2021-10-28 23:10:55,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:10:55,618 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:10:55,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:10:55,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:10:55,904 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:10:55,904 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372640033] [2021-10-28 23:10:55,905 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372640033] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:10:55,905 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:10:55,906 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:10:55,908 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861560217] [2021-10-28 23:10:55,914 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 23:10:55,915 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:10:55,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 23:10:55,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 23:10:55,940 INFO L87 Difference]: Start difference. First operand has 117 states, 113 states have (on average 1.5663716814159292) internal successors, (177), 116 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:10:56,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:10:56,008 INFO L93 Difference]: Finished difference Result 228 states and 347 transitions. [2021-10-28 23:10:56,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 23:10:56,010 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-28 23:10:56,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:10:56,025 INFO L225 Difference]: With dead ends: 228 [2021-10-28 23:10:56,026 INFO L226 Difference]: Without dead ends: 113 [2021-10-28 23:10:56,031 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 23:10:56,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2021-10-28 23:10:56,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2021-10-28 23:10:56,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 110 states have (on average 1.5) internal successors, (165), 112 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:10:56,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 165 transitions. [2021-10-28 23:10:56,102 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 165 transitions. Word has length 18 [2021-10-28 23:10:56,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:10:56,103 INFO L470 AbstractCegarLoop]: Abstraction has 113 states and 165 transitions. [2021-10-28 23:10:56,104 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:10:56,104 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2021-10-28 23:10:56,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-28 23:10:56,109 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:10:56,109 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:10:56,110 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 23:10:56,110 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:10:56,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:10:56,117 INFO L85 PathProgramCache]: Analyzing trace with hash -1170996770, now seen corresponding path program 1 times [2021-10-28 23:10:56,117 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:10:56,118 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087754390] [2021-10-28 23:10:56,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:10:56,118 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:10:56,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:10:56,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:10:56,393 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:10:56,394 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087754390] [2021-10-28 23:10:56,394 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087754390] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:10:56,395 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:10:56,396 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:10:56,396 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821968380] [2021-10-28 23:10:56,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:10:56,398 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:10:56,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:10:56,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:10:56,400 INFO L87 Difference]: Start difference. First operand 113 states and 165 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:10:56,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:10:56,425 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2021-10-28 23:10:56,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:10:56,427 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-28 23:10:56,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:10:56,428 INFO L225 Difference]: With dead ends: 113 [2021-10-28 23:10:56,429 INFO L226 Difference]: Without dead ends: 47 [2021-10-28 23:10:56,431 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:10:56,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-10-28 23:10:56,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-10-28 23:10:56,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.4782608695652173) internal successors, (68), 46 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:10:56,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2021-10-28 23:10:56,445 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 19 [2021-10-28 23:10:56,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:10:56,445 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2021-10-28 23:10:56,446 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:10:56,446 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2021-10-28 23:10:56,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-28 23:10:56,448 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:10:56,449 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:10:56,449 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 23:10:56,450 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:10:56,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:10:56,452 INFO L85 PathProgramCache]: Analyzing trace with hash -524110554, now seen corresponding path program 1 times [2021-10-28 23:10:56,452 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:10:56,453 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725262881] [2021-10-28 23:10:56,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:10:56,455 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:10:56,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:10:56,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:10:56,602 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:10:56,603 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725262881] [2021-10-28 23:10:56,603 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725262881] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:10:56,603 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:10:56,603 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:10:56,604 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731365201] [2021-10-28 23:10:56,604 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 23:10:56,604 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:10:56,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 23:10:56,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:10:56,606 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:10:56,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:10:56,776 INFO L93 Difference]: Finished difference Result 88 states and 130 transitions. [2021-10-28 23:10:56,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:10:56,777 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-28 23:10:56,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:10:56,778 INFO L225 Difference]: With dead ends: 88 [2021-10-28 23:10:56,778 INFO L226 Difference]: Without dead ends: 47 [2021-10-28 23:10:56,779 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-28 23:10:56,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-10-28 23:10:56,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-10-28 23:10:56,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.4565217391304348) internal successors, (67), 46 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:10:56,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2021-10-28 23:10:56,786 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 24 [2021-10-28 23:10:56,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:10:56,787 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2021-10-28 23:10:56,787 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:10:56,788 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2021-10-28 23:10:56,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-28 23:10:56,789 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:10:56,789 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:10:56,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 23:10:56,790 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:10:56,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:10:56,791 INFO L85 PathProgramCache]: Analyzing trace with hash -339602961, now seen corresponding path program 1 times [2021-10-28 23:10:56,791 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:10:56,792 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231172803] [2021-10-28 23:10:56,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:10:56,792 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:10:56,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:10:56,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:10:56,854 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:10:56,854 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231172803] [2021-10-28 23:10:56,855 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231172803] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:10:56,855 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:10:56,855 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:10:56,855 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824780982] [2021-10-28 23:10:56,856 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 23:10:56,856 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:10:56,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:10:56,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:10:56,858 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:10:56,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:10:56,902 INFO L93 Difference]: Finished difference Result 111 states and 161 transitions. [2021-10-28 23:10:56,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:10:56,903 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-28 23:10:56,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:10:56,909 INFO L225 Difference]: With dead ends: 111 [2021-10-28 23:10:56,909 INFO L226 Difference]: Without dead ends: 70 [2021-10-28 23:10:56,915 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:10:56,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2021-10-28 23:10:56,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 68. [2021-10-28 23:10:56,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 67 states have (on average 1.4328358208955223) internal successors, (96), 67 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:10:56,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 96 transitions. [2021-10-28 23:10:56,928 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 96 transitions. Word has length 26 [2021-10-28 23:10:56,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:10:56,929 INFO L470 AbstractCegarLoop]: Abstraction has 68 states and 96 transitions. [2021-10-28 23:10:56,929 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:10:56,929 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 96 transitions. [2021-10-28 23:10:56,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-28 23:10:56,931 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:10:56,931 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:10:56,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 23:10:56,932 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:10:56,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:10:56,932 INFO L85 PathProgramCache]: Analyzing trace with hash 659000928, now seen corresponding path program 1 times [2021-10-28 23:10:56,933 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:10:56,933 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594952934] [2021-10-28 23:10:56,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:10:56,936 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:10:56,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:10:57,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:10:57,032 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:10:57,033 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594952934] [2021-10-28 23:10:57,033 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594952934] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:10:57,033 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:10:57,033 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:10:57,034 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68174353] [2021-10-28 23:10:57,035 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:10:57,035 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:10:57,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:10:57,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:10:57,038 INFO L87 Difference]: Start difference. First operand 68 states and 96 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 23:10:57,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:10:57,132 INFO L93 Difference]: Finished difference Result 183 states and 257 transitions. [2021-10-28 23:10:57,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 23:10:57,133 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 23:10:57,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:10:57,135 INFO L225 Difference]: With dead ends: 183 [2021-10-28 23:10:57,135 INFO L226 Difference]: Without dead ends: 121 [2021-10-28 23:10:57,136 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:10:57,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2021-10-28 23:10:57,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 74. [2021-10-28 23:10:57,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 73 states have (on average 1.3972602739726028) internal successors, (102), 73 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:10:57,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 102 transitions. [2021-10-28 23:10:57,160 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 102 transitions. Word has length 32 [2021-10-28 23:10:57,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:10:57,161 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 102 transitions. [2021-10-28 23:10:57,161 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 23:10:57,161 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 102 transitions. [2021-10-28 23:10:57,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-10-28 23:10:57,164 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:10:57,165 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:10:57,165 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 23:10:57,165 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:10:57,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:10:57,166 INFO L85 PathProgramCache]: Analyzing trace with hash -468395165, now seen corresponding path program 1 times [2021-10-28 23:10:57,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:10:57,167 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058970045] [2021-10-28 23:10:57,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:10:57,167 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:10:57,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:10:57,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:10:57,316 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:10:57,317 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058970045] [2021-10-28 23:10:57,317 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058970045] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:10:57,317 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:10:57,318 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:10:57,319 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433491574] [2021-10-28 23:10:57,320 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:10:57,322 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:10:57,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:10:57,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:10:57,325 INFO L87 Difference]: Start difference. First operand 74 states and 102 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:10:57,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:10:57,470 INFO L93 Difference]: Finished difference Result 373 states and 530 transitions. [2021-10-28 23:10:57,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 23:10:57,471 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-10-28 23:10:57,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:10:57,481 INFO L225 Difference]: With dead ends: 373 [2021-10-28 23:10:57,482 INFO L226 Difference]: Without dead ends: 305 [2021-10-28 23:10:57,484 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-28 23:10:57,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2021-10-28 23:10:57,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 121. [2021-10-28 23:10:57,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 120 states have (on average 1.3666666666666667) internal successors, (164), 120 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:10:57,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 164 transitions. [2021-10-28 23:10:57,523 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 164 transitions. Word has length 32 [2021-10-28 23:10:57,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:10:57,524 INFO L470 AbstractCegarLoop]: Abstraction has 121 states and 164 transitions. [2021-10-28 23:10:57,524 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:10:57,524 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 164 transitions. [2021-10-28 23:10:57,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-28 23:10:57,533 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:10:57,533 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:10:57,534 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 23:10:57,534 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:10:57,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:10:57,535 INFO L85 PathProgramCache]: Analyzing trace with hash -1539441695, now seen corresponding path program 1 times [2021-10-28 23:10:57,535 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:10:57,541 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858209021] [2021-10-28 23:10:57,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:10:57,542 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:10:57,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:10:57,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:10:57,633 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:10:57,633 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858209021] [2021-10-28 23:10:57,634 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858209021] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:10:57,634 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:10:57,634 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:10:57,634 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312944139] [2021-10-28 23:10:57,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:10:57,635 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:10:57,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:10:57,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:10:57,637 INFO L87 Difference]: Start difference. First operand 121 states and 164 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:10:57,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:10:57,838 INFO L93 Difference]: Finished difference Result 250 states and 345 transitions. [2021-10-28 23:10:57,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:10:57,838 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-28 23:10:57,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:10:57,842 INFO L225 Difference]: With dead ends: 250 [2021-10-28 23:10:57,842 INFO L226 Difference]: Without dead ends: 182 [2021-10-28 23:10:57,843 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:10:57,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2021-10-28 23:10:57,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 179. [2021-10-28 23:10:57,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 178 states have (on average 1.3651685393258426) internal successors, (243), 178 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:10:57,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 243 transitions. [2021-10-28 23:10:57,867 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 243 transitions. Word has length 33 [2021-10-28 23:10:57,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:10:57,868 INFO L470 AbstractCegarLoop]: Abstraction has 179 states and 243 transitions. [2021-10-28 23:10:57,868 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:10:57,868 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 243 transitions. [2021-10-28 23:10:57,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-28 23:10:57,872 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:10:57,872 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:10:57,872 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 23:10:57,873 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:10:57,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:10:57,874 INFO L85 PathProgramCache]: Analyzing trace with hash 1744408351, now seen corresponding path program 1 times [2021-10-28 23:10:57,874 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:10:57,875 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625542400] [2021-10-28 23:10:57,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:10:57,875 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:10:57,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:10:57,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:10:57,924 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:10:57,924 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625542400] [2021-10-28 23:10:57,924 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625542400] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:10:57,924 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:10:57,925 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:10:57,925 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519659931] [2021-10-28 23:10:57,925 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 23:10:57,926 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:10:57,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:10:57,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:10:57,927 INFO L87 Difference]: Start difference. First operand 179 states and 243 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:10:57,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:10:57,990 INFO L93 Difference]: Finished difference Result 422 states and 584 transitions. [2021-10-28 23:10:57,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:10:57,990 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-28 23:10:57,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:10:57,993 INFO L225 Difference]: With dead ends: 422 [2021-10-28 23:10:57,993 INFO L226 Difference]: Without dead ends: 295 [2021-10-28 23:10:57,994 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:10:57,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2021-10-28 23:10:58,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 173. [2021-10-28 23:10:58,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 172 states have (on average 1.3662790697674418) internal successors, (235), 172 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:10:58,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 235 transitions. [2021-10-28 23:10:58,012 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 235 transitions. Word has length 33 [2021-10-28 23:10:58,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:10:58,013 INFO L470 AbstractCegarLoop]: Abstraction has 173 states and 235 transitions. [2021-10-28 23:10:58,013 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:10:58,013 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 235 transitions. [2021-10-28 23:10:58,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-28 23:10:58,014 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:10:58,014 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:10:58,015 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 23:10:58,015 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:10:58,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:10:58,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1164997414, now seen corresponding path program 1 times [2021-10-28 23:10:58,016 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:10:58,016 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958038577] [2021-10-28 23:10:58,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:10:58,017 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:10:58,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:10:58,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:10:58,123 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:10:58,123 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958038577] [2021-10-28 23:10:58,123 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958038577] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:10:58,123 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:10:58,124 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:10:58,124 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763581702] [2021-10-28 23:10:58,124 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:10:58,125 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:10:58,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:10:58,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:10:58,126 INFO L87 Difference]: Start difference. First operand 173 states and 235 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:10:58,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:10:58,371 INFO L93 Difference]: Finished difference Result 457 states and 634 transitions. [2021-10-28 23:10:58,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 23:10:58,372 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-28 23:10:58,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:10:58,375 INFO L225 Difference]: With dead ends: 457 [2021-10-28 23:10:58,375 INFO L226 Difference]: Without dead ends: 290 [2021-10-28 23:10:58,376 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-28 23:10:58,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2021-10-28 23:10:58,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 152. [2021-10-28 23:10:58,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 151 states have (on average 1.3178807947019868) internal successors, (199), 151 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:10:58,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 199 transitions. [2021-10-28 23:10:58,397 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 199 transitions. Word has length 33 [2021-10-28 23:10:58,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:10:58,399 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 199 transitions. [2021-10-28 23:10:58,400 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:10:58,400 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 199 transitions. [2021-10-28 23:10:58,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-28 23:10:58,402 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:10:58,402 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:10:58,402 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 23:10:58,403 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:10:58,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:10:58,404 INFO L85 PathProgramCache]: Analyzing trace with hash 2002573789, now seen corresponding path program 1 times [2021-10-28 23:10:58,404 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:10:58,406 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383298287] [2021-10-28 23:10:58,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:10:58,406 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:10:58,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:10:58,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:10:58,504 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:10:58,504 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383298287] [2021-10-28 23:10:58,505 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383298287] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:10:58,505 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:10:58,505 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:10:58,505 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919116589] [2021-10-28 23:10:58,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:10:58,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:10:58,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:10:58,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:10:58,509 INFO L87 Difference]: Start difference. First operand 152 states and 199 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:10:58,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:10:58,578 INFO L93 Difference]: Finished difference Result 385 states and 513 transitions. [2021-10-28 23:10:58,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:10:58,579 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-10-28 23:10:58,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:10:58,581 INFO L225 Difference]: With dead ends: 385 [2021-10-28 23:10:58,581 INFO L226 Difference]: Without dead ends: 239 [2021-10-28 23:10:58,581 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:10:58,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2021-10-28 23:10:58,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 140. [2021-10-28 23:10:58,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 139 states have (on average 1.2949640287769784) internal successors, (180), 139 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:10:58,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 180 transitions. [2021-10-28 23:10:58,599 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 180 transitions. Word has length 33 [2021-10-28 23:10:58,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:10:58,600 INFO L470 AbstractCegarLoop]: Abstraction has 140 states and 180 transitions. [2021-10-28 23:10:58,600 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:10:58,600 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 180 transitions. [2021-10-28 23:10:58,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-10-28 23:10:58,601 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:10:58,601 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:10:58,602 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-28 23:10:58,602 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:10:58,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:10:58,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1653300136, now seen corresponding path program 1 times [2021-10-28 23:10:58,603 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:10:58,605 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886472691] [2021-10-28 23:10:58,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:10:58,606 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:10:58,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:10:58,682 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-28 23:10:58,682 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:10:58,682 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886472691] [2021-10-28 23:10:58,682 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886472691] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:10:58,682 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:10:58,682 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 23:10:58,683 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177046151] [2021-10-28 23:10:58,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 23:10:58,683 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:10:58,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 23:10:58,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:10:58,686 INFO L87 Difference]: Start difference. First operand 140 states and 180 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:10:58,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:10:58,773 INFO L93 Difference]: Finished difference Result 281 states and 369 transitions. [2021-10-28 23:10:58,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 23:10:58,773 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 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 50 [2021-10-28 23:10:58,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:10:58,775 INFO L225 Difference]: With dead ends: 281 [2021-10-28 23:10:58,776 INFO L226 Difference]: Without dead ends: 173 [2021-10-28 23:10:58,776 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-28 23:10:58,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2021-10-28 23:10:58,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 124. [2021-10-28 23:10:58,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 123 states have (on average 1.3008130081300813) internal successors, (160), 123 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:10:58,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 160 transitions. [2021-10-28 23:10:58,805 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 160 transitions. Word has length 50 [2021-10-28 23:10:58,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:10:58,806 INFO L470 AbstractCegarLoop]: Abstraction has 124 states and 160 transitions. [2021-10-28 23:10:58,806 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:10:58,806 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 160 transitions. [2021-10-28 23:10:58,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-28 23:10:58,807 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:10:58,807 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:10:58,807 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-28 23:10:58,808 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:10:58,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:10:58,809 INFO L85 PathProgramCache]: Analyzing trace with hash 1625888868, now seen corresponding path program 1 times [2021-10-28 23:10:58,810 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:10:58,810 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413518430] [2021-10-28 23:10:58,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:10:58,810 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:10:58,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:10:58,916 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:10:58,916 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:10:58,917 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413518430] [2021-10-28 23:10:58,917 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413518430] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:10:58,917 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:10:58,917 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:10:58,917 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779024160] [2021-10-28 23:10:58,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:10:58,918 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:10:58,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:10:58,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:10:58,919 INFO L87 Difference]: Start difference. First operand 124 states and 160 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 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 23:10:59,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:10:59,065 INFO L93 Difference]: Finished difference Result 633 states and 812 transitions. [2021-10-28 23:10:59,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 23:10:59,066 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 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 51 [2021-10-28 23:10:59,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:10:59,076 INFO L225 Difference]: With dead ends: 633 [2021-10-28 23:10:59,076 INFO L226 Difference]: Without dead ends: 515 [2021-10-28 23:10:59,077 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-28 23:10:59,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2021-10-28 23:10:59,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 240. [2021-10-28 23:10:59,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 239 states have (on average 1.2719665271966527) internal successors, (304), 239 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:10:59,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 304 transitions. [2021-10-28 23:10:59,128 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 304 transitions. Word has length 51 [2021-10-28 23:10:59,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:10:59,128 INFO L470 AbstractCegarLoop]: Abstraction has 240 states and 304 transitions. [2021-10-28 23:10:59,129 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 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 23:10:59,129 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 304 transitions. [2021-10-28 23:10:59,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-10-28 23:10:59,130 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:10:59,130 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:10:59,130 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-28 23:10:59,130 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 23:10:59,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:10:59,131 INFO L85 PathProgramCache]: Analyzing trace with hash -1149655330, now seen corresponding path program 1 times [2021-10-28 23:10:59,131 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:10:59,131 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846335395] [2021-10-28 23:10:59,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:10:59,132 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:10:59,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:10:59,239 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-28 23:10:59,240 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:10:59,240 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846335395] [2021-10-28 23:10:59,240 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846335395] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:10:59,240 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [32457029] [2021-10-28 23:10:59,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:10:59,241 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:10:59,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3422bf0-0831-42c3-9e0f-9dd867245331/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:10:59,247 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3422bf0-0831-42c3-9e0f-9dd867245331/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:10:59,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3422bf0-0831-42c3-9e0f-9dd867245331/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 23:10:59,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:10:59,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 23:10:59,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:10:59,831 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-28 23:10:59,832 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [32457029] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:10:59,832 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:10:59,832 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2021-10-28 23:10:59,833 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718119310] [2021-10-28 23:10:59,833 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-28 23:10:59,833 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:10:59,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-28 23:10:59,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-10-28 23:10:59,835 INFO L87 Difference]: Start difference. First operand 240 states and 304 transitions. Second operand has 10 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:11:00,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:11:00,171 INFO L93 Difference]: Finished difference Result 580 states and 730 transitions. [2021-10-28 23:11:00,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 23:11:00,172 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 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 52 [2021-10-28 23:11:00,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:11:00,175 INFO L225 Difference]: With dead ends: 580 [2021-10-28 23:11:00,175 INFO L226 Difference]: Without dead ends: 346 [2021-10-28 23:11:00,176 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2021-10-28 23:11:00,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2021-10-28 23:11:00,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 226. [2021-10-28 23:11:00,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 225 states have (on average 1.231111111111111) internal successors, (277), 225 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:11:00,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 277 transitions. [2021-10-28 23:11:00,211 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 277 transitions. Word has length 52 [2021-10-28 23:11:00,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:11:00,212 INFO L470 AbstractCegarLoop]: Abstraction has 226 states and 277 transitions. [2021-10-28 23:11:00,212 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:11:00,213 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 277 transitions. [2021-10-28 23:11:00,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-10-28 23:11:00,214 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:11:00,214 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] [2021-10-28 23:11:00,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3422bf0-0831-42c3-9e0f-9dd867245331/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:11:00,429 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3422bf0-0831-42c3-9e0f-9dd867245331/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:11:00,430 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:11:00,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:11:00,431 INFO L85 PathProgramCache]: Analyzing trace with hash 889469905, now seen corresponding path program 1 times [2021-10-28 23:11:00,431 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:11:00,431 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247546794] [2021-10-28 23:11:00,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:11:00,431 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:11:00,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:11:00,504 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-28 23:11:00,504 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:11:00,505 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247546794] [2021-10-28 23:11:00,505 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247546794] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:11:00,505 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:11:00,505 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:11:00,506 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886953576] [2021-10-28 23:11:00,506 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 23:11:00,506 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:11:00,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 23:11:00,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:11:00,507 INFO L87 Difference]: Start difference. First operand 226 states and 277 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:11:00,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:11:00,677 INFO L93 Difference]: Finished difference Result 547 states and 678 transitions. [2021-10-28 23:11:00,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-28 23:11:00,678 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 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 53 [2021-10-28 23:11:00,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:11:00,681 INFO L225 Difference]: With dead ends: 547 [2021-10-28 23:11:00,681 INFO L226 Difference]: Without dead ends: 377 [2021-10-28 23:11:00,682 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2021-10-28 23:11:00,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2021-10-28 23:11:00,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 226. [2021-10-28 23:11:00,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 225 states have (on average 1.2266666666666666) internal successors, (276), 225 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:11:00,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 276 transitions. [2021-10-28 23:11:00,742 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 276 transitions. Word has length 53 [2021-10-28 23:11:00,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:11:00,742 INFO L470 AbstractCegarLoop]: Abstraction has 226 states and 276 transitions. [2021-10-28 23:11:00,742 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:11:00,743 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 276 transitions. [2021-10-28 23:11:00,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-10-28 23:11:00,744 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:11:00,744 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-10-28 23:11:00,744 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-28 23:11:00,745 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:11:00,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:11:00,745 INFO L85 PathProgramCache]: Analyzing trace with hash 848239207, now seen corresponding path program 1 times [2021-10-28 23:11:00,746 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:11:00,746 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355309289] [2021-10-28 23:11:00,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:11:00,746 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:11:00,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:11:00,840 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-10-28 23:11:00,841 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:11:00,841 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355309289] [2021-10-28 23:11:00,841 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355309289] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:11:00,841 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:11:00,842 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:11:00,844 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436156388] [2021-10-28 23:11:00,847 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:11:00,847 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:11:00,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:11:00,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:11:00,849 INFO L87 Difference]: Start difference. First operand 226 states and 276 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:11:01,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:11:01,068 INFO L93 Difference]: Finished difference Result 929 states and 1155 transitions. [2021-10-28 23:11:01,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 23:11:01,069 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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 74 [2021-10-28 23:11:01,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:11:01,070 INFO L225 Difference]: With dead ends: 929 [2021-10-28 23:11:01,070 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 23:11:01,073 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-28 23:11:01,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 23:11:01,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 23:11:01,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:11:01,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 23:11:01,074 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2021-10-28 23:11:01,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:11:01,075 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:11:01,075 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:11:01,075 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:11:01,076 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 23:11:01,078 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:11:01,079 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:11:01,079 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:11:01,080 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-28 23:11:01,082 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 23:11:01,088 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:01,090 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:01,314 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:01,425 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:01,425 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:01,427 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:01,428 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:01,492 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:01,495 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:01,496 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:01,589 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:01,590 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:02,333 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:02,334 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:02,335 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:02,336 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:02,337 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:02,339 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:02,340 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:02,612 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:02,910 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:02,911 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:02,922 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:03,527 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:03,528 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:03,529 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:03,739 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:03,740 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:03,741 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:03,741 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:03,742 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:03,744 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:03,744 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:03,745 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:03,746 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:03,746 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:03,747 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:03,894 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:03,895 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:03,895 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:03,896 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:03,897 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:04,726 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:04,727 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:04,732 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 23:11:11,245 INFO L857 garLoopResultBuilder]: For program point L894(lines 894 900) no Hoare annotation was computed. [2021-10-28 23:11:11,245 INFO L857 garLoopResultBuilder]: For program point L894-2(lines 894 900) no Hoare annotation was computed. [2021-10-28 23:11:11,246 INFO L853 garLoopResultBuilder]: At program point L762(lines 715 763) the Hoare annotation is: false [2021-10-28 23:11:11,246 INFO L857 garLoopResultBuilder]: For program point L894-4(lines 894 900) no Hoare annotation was computed. [2021-10-28 23:11:11,246 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 870) no Hoare annotation was computed. [2021-10-28 23:11:11,246 INFO L857 garLoopResultBuilder]: For program point L597(lines 597 605) no Hoare annotation was computed. [2021-10-28 23:11:11,246 INFO L857 garLoopResultBuilder]: For program point L597-1(lines 597 605) no Hoare annotation was computed. [2021-10-28 23:11:11,247 INFO L857 garLoopResultBuilder]: For program point L597-2(lines 597 605) no Hoare annotation was computed. [2021-10-28 23:11:11,247 INFO L857 garLoopResultBuilder]: For program point L567(lines 567 584) no Hoare annotation was computed. [2021-10-28 23:11:11,247 INFO L857 garLoopResultBuilder]: For program point L567-1(lines 567 584) no Hoare annotation was computed. [2021-10-28 23:11:11,247 INFO L857 garLoopResultBuilder]: For program point L567-2(lines 567 584) no Hoare annotation was computed. [2021-10-28 23:11:11,247 INFO L857 garLoopResultBuilder]: For program point L567-3(lines 567 584) no Hoare annotation was computed. [2021-10-28 23:11:11,248 INFO L857 garLoopResultBuilder]: For program point L567-4(lines 567 584) no Hoare annotation was computed. [2021-10-28 23:11:11,248 INFO L857 garLoopResultBuilder]: For program point L567-5(lines 567 584) no Hoare annotation was computed. [2021-10-28 23:11:11,248 INFO L853 garLoopResultBuilder]: At program point L931(lines 1 942) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 23:11:11,248 INFO L853 garLoopResultBuilder]: At program point L535(lines 534 553) the Hoare annotation is: (let ((.cse3 (= ~methaneLevelCritical~0 0)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse7 (= ~pumpRunning~0 1)) (.cse8 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse9 (= ~pumpRunning~0 0)) (.cse10 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse11 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= 1 ~systemActive~0)) (.cse6 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse9 .cse10 .cse3 .cse4 .cse6) (and .cse0 .cse1 .cse2 .cse11 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse9 .cse10 .cse11 .cse4 .cse6))) [2021-10-28 23:11:11,249 INFO L857 garLoopResultBuilder]: For program point L535-1(lines 535 541) no Hoare annotation was computed. [2021-10-28 23:11:11,249 INFO L853 garLoopResultBuilder]: At program point L535-2(lines 534 553) the Hoare annotation is: false [2021-10-28 23:11:11,249 INFO L853 garLoopResultBuilder]: At program point L535-3(lines 534 553) the Hoare annotation is: false [2021-10-28 23:11:11,249 INFO L853 garLoopResultBuilder]: At program point L701(lines 686 704) the Hoare annotation is: false [2021-10-28 23:11:11,250 INFO L853 garLoopResultBuilder]: At program point L701-1(lines 686 704) the Hoare annotation is: (let ((.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse8 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (let ((.cse2 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse5 (<= 2 ~waterLevel~0)) (.cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse11 (<= 1 ~methaneLevelCritical~0)) (.cse12 (not .cse8)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse13 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse14 (<= ~waterLevel~0 1)) (.cse15 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse6 (= 1 ~systemActive~0)) (.cse16 (not .cse3)) (.cse7 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse9 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse11 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse12 .cse0 .cse1 .cse13 .cse11 .cse14 .cse15 .cse6 .cse16 .cse7 .cse9) (and .cse12 .cse0 .cse1 .cse13 .cse4 .cse14 .cse15 .cse6 .cse16 .cse7 .cse9)))) [2021-10-28 23:11:11,250 INFO L853 garLoopResultBuilder]: At program point L701-2(lines 686 704) the Hoare annotation is: false [2021-10-28 23:11:11,250 INFO L853 garLoopResultBuilder]: At program point L701-3(lines 686 704) the Hoare annotation is: false [2021-10-28 23:11:11,250 INFO L853 garLoopResultBuilder]: At program point L701-4(lines 686 704) the Hoare annotation is: false [2021-10-28 23:11:11,251 INFO L853 garLoopResultBuilder]: At program point L701-5(lines 686 704) the Hoare annotation is: false [2021-10-28 23:11:11,251 INFO L857 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2021-10-28 23:11:11,251 INFO L860 garLoopResultBuilder]: At program point L140-1(lines 140 147) the Hoare annotation is: true [2021-10-28 23:11:11,251 INFO L857 garLoopResultBuilder]: For program point L802(lines 802 806) no Hoare annotation was computed. [2021-10-28 23:11:11,251 INFO L857 garLoopResultBuilder]: For program point L736(lines 736 742) no Hoare annotation was computed. [2021-10-28 23:11:11,252 INFO L853 garLoopResultBuilder]: At program point L736-1(lines 736 742) the Hoare annotation is: (let ((.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse8 (= 1 ~systemActive~0)) (.cse9 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse13 (= ~pumpRunning~0 1))) (let ((.cse7 (= ~methaneLevelCritical~0 0)) (.cse2 (or (and .cse4 .cse6 .cse10 .cse8 (= ~waterLevel~0 1) .cse9 .cse13) (and .cse4 .cse6 .cse10 (<= 2 ~waterLevel~0) .cse8 .cse9 .cse13))) (.cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse11 (= ULTIMATE.start_processEnvironment_~tmp~5 0)) (.cse12 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse5 (= ~pumpRunning~0 0)) (.cse1 (<= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (and .cse4 .cse0 .cse10 .cse7 .cse11 .cse8 .cse12 .cse9 .cse13 .cse3) (and .cse0 .cse7 .cse2 .cse3) (and .cse4 .cse0 .cse10 .cse1 .cse11 .cse8 .cse12 .cse9 .cse13 .cse3) (and .cse4 .cse5 .cse6 .cse1 .cse8 .cse9)))) [2021-10-28 23:11:11,252 INFO L853 garLoopResultBuilder]: At program point L637(lines 630 640) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse6 (= ~pumpRunning~0 1)) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse4 .cse5 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~methaneLevelCritical~0) .cse4 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse5 .cse6 .cse7))) [2021-10-28 23:11:11,252 INFO L853 garLoopResultBuilder]: At program point L637-1(lines 630 640) the Hoare annotation is: false [2021-10-28 23:11:11,252 INFO L857 garLoopResultBuilder]: For program point L571(lines 571 579) no Hoare annotation was computed. [2021-10-28 23:11:11,253 INFO L853 garLoopResultBuilder]: At program point L637-2(lines 630 640) the Hoare annotation is: false [2021-10-28 23:11:11,253 INFO L857 garLoopResultBuilder]: For program point L571-1(lines 571 579) no Hoare annotation was computed. [2021-10-28 23:11:11,253 INFO L857 garLoopResultBuilder]: For program point L571-2(lines 571 579) no Hoare annotation was computed. [2021-10-28 23:11:11,253 INFO L857 garLoopResultBuilder]: For program point L571-3(lines 571 579) no Hoare annotation was computed. [2021-10-28 23:11:11,253 INFO L857 garLoopResultBuilder]: For program point L571-4(lines 571 579) no Hoare annotation was computed. [2021-10-28 23:11:11,254 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 870) no Hoare annotation was computed. [2021-10-28 23:11:11,254 INFO L857 garLoopResultBuilder]: For program point L571-5(lines 571 579) no Hoare annotation was computed. [2021-10-28 23:11:11,254 INFO L857 garLoopResultBuilder]: For program point L870(line 870) no Hoare annotation was computed. [2021-10-28 23:11:11,254 INFO L857 garLoopResultBuilder]: For program point L870-1(line 870) no Hoare annotation was computed. [2021-10-28 23:11:11,254 INFO L857 garLoopResultBuilder]: For program point L870-2(line 870) no Hoare annotation was computed. [2021-10-28 23:11:11,255 INFO L853 garLoopResultBuilder]: At program point L542(lines 542 548) the Hoare annotation is: (let ((.cse12 (<= 2 ~waterLevel~0)) (.cse13 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 1)) (.cse14 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse15 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse11 (= ~methaneLevelCritical~0 0)) (.cse5 (= ULTIMATE.start_processEnvironment_~tmp~5 0)) (.cse8 (= ~pumpRunning~0 1)) (.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse10 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse4 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= 1 ~systemActive~0)) (.cse7 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse7 .cse8 .cse9) (and .cse0 .cse10 .cse2 .cse11 (<= ~waterLevel~0 1) .cse6 .cse7) (and .cse0 .cse1 .cse3 .cse11 .cse12 .cse13 .cse6 .cse14 .cse15 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse3 .cse4 .cse12 .cse13 .cse6 .cse14 .cse15 .cse7 .cse8 .cse9) (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse11 .cse5 .cse6 .cse7 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse8 .cse9) (and .cse0 .cse10 .cse2 .cse4 .cse6 .cse7))) [2021-10-28 23:11:11,255 INFO L853 garLoopResultBuilder]: At program point L542-1(lines 542 548) the Hoare annotation is: false [2021-10-28 23:11:11,255 INFO L853 garLoopResultBuilder]: At program point L542-2(lines 542 548) the Hoare annotation is: false [2021-10-28 23:11:11,255 INFO L853 garLoopResultBuilder]: At program point L113(lines 109 115) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1) (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) [2021-10-28 23:11:11,256 INFO L853 garLoopResultBuilder]: At program point L939(lines 934 942) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1)) [2021-10-28 23:11:11,256 INFO L860 garLoopResultBuilder]: At program point L149(lines 130 152) the Hoare annotation is: true [2021-10-28 23:11:11,256 INFO L857 garLoopResultBuilder]: For program point L778(lines 778 782) no Hoare annotation was computed. [2021-10-28 23:11:11,256 INFO L857 garLoopResultBuilder]: For program point L778-3(lines 778 782) no Hoare annotation was computed. [2021-10-28 23:11:11,256 INFO L853 garLoopResultBuilder]: At program point L646(lines 641 649) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse7 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0)) (.cse8 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse9 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse10 (= ~pumpRunning~0 1)) (.cse11 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 2 ~waterLevel~0) (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 1) .cse5 .cse6 .cse7 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse8 .cse9 .cse10 .cse11) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ULTIMATE.start_processEnvironment_~tmp~5 0) .cse5 .cse6 .cse7 .cse8 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse9 .cse10 .cse11))) [2021-10-28 23:11:11,257 INFO L853 garLoopResultBuilder]: At program point L646-1(lines 641 649) the Hoare annotation is: false [2021-10-28 23:11:11,257 INFO L857 garLoopResultBuilder]: For program point L778-6(lines 778 782) no Hoare annotation was computed. [2021-10-28 23:11:11,257 INFO L853 garLoopResultBuilder]: At program point L646-2(lines 641 649) the Hoare annotation is: false [2021-10-28 23:11:11,257 INFO L857 garLoopResultBuilder]: For program point L746(lines 746 757) no Hoare annotation was computed. [2021-10-28 23:11:11,257 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 23:11:11,258 INFO L853 garLoopResultBuilder]: At program point L847(lines 842 850) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse7 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0)) (.cse8 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse9 (= ~pumpRunning~0 1)) (.cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 2 ~waterLevel~0) (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 1) .cse5 .cse6 .cse7 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse8 .cse9 .cse10) (and .cse0 (= ~pumpRunning~0 0) .cse3 .cse4 (<= ~waterLevel~0 1) .cse5 (not (= |ULTIMATE.start_getWaterLevel_#res| 2)) .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ULTIMATE.start_processEnvironment_~tmp~5 0) .cse5 .cse6 .cse7 .cse8 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse9 .cse10))) [2021-10-28 23:11:11,258 INFO L853 garLoopResultBuilder]: At program point L847-1(lines 842 850) the Hoare annotation is: false [2021-10-28 23:11:11,258 INFO L853 garLoopResultBuilder]: At program point L847-2(lines 842 850) the Hoare annotation is: false [2021-10-28 23:11:11,258 INFO L853 garLoopResultBuilder]: At program point L815(lines 810 818) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse6 (= ~pumpRunning~0 1)) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~methaneLevelCritical~0) .cse4 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (= ~methaneLevelCritical~0 0) .cse4 .cse5 .cse6 .cse7))) [2021-10-28 23:11:11,259 INFO L853 garLoopResultBuilder]: At program point L815-1(lines 810 818) the Hoare annotation is: (let ((.cse4 (= ULTIMATE.start_processEnvironment_~tmp~5 0)) (.cse16 (= ~pumpRunning~0 0)) (.cse17 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse7 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse11 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse12 (= ~methaneLevelCritical~0 0)) (.cse13 (<= 2 ~waterLevel~0)) (.cse14 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 1)) (.cse5 (= 1 ~systemActive~0)) (.cse6 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse15 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse8 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse9 (= ~pumpRunning~0 1)) (.cse10 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse11 .cse12 .cse4 .cse5 .cse6 .cse8 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse9 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse13 .cse14 .cse5 .cse6 .cse7 .cse15 .cse8 .cse9 .cse10) (and .cse0 .cse16 .cse17 .cse11 .cse12 (<= ~waterLevel~0 1) .cse5 .cse8) (and .cse0 .cse16 .cse17 .cse3 .cse5 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse11 .cse12 .cse13 .cse14 .cse5 .cse6 .cse15 .cse8 .cse9 .cse10))) [2021-10-28 23:11:11,259 INFO L853 garLoopResultBuilder]: At program point L815-2(lines 810 818) the Hoare annotation is: false [2021-10-28 23:11:11,259 INFO L853 garLoopResultBuilder]: At program point L815-3(lines 810 818) the Hoare annotation is: false [2021-10-28 23:11:11,259 INFO L853 garLoopResultBuilder]: At program point L815-4(lines 810 818) the Hoare annotation is: false [2021-10-28 23:11:11,259 INFO L853 garLoopResultBuilder]: At program point L815-5(lines 810 818) the Hoare annotation is: false [2021-10-28 23:11:11,260 INFO L857 garLoopResultBuilder]: For program point L717(lines 716 761) no Hoare annotation was computed. [2021-10-28 23:11:11,260 INFO L857 garLoopResultBuilder]: For program point L718(lines 718 722) no Hoare annotation was computed. [2021-10-28 23:11:11,260 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 23:11:11,260 INFO L857 garLoopResultBuilder]: For program point L884(lines 884 904) no Hoare annotation was computed. [2021-10-28 23:11:11,260 INFO L857 garLoopResultBuilder]: For program point L884-2(lines 884 904) no Hoare annotation was computed. [2021-10-28 23:11:11,261 INFO L857 garLoopResultBuilder]: For program point L752(lines 752 756) no Hoare annotation was computed. [2021-10-28 23:11:11,261 INFO L857 garLoopResultBuilder]: For program point L884-4(lines 884 904) no Hoare annotation was computed. [2021-10-28 23:11:11,261 INFO L857 garLoopResultBuilder]: For program point L752-2(lines 535 541) no Hoare annotation was computed. [2021-10-28 23:11:11,261 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 23:11:11,261 INFO L853 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: false [2021-10-28 23:11:11,262 INFO L857 garLoopResultBuilder]: For program point L855(lines 855 861) no Hoare annotation was computed. [2021-10-28 23:11:11,262 INFO L857 garLoopResultBuilder]: For program point L855-1(lines 855 861) no Hoare annotation was computed. [2021-10-28 23:11:11,262 INFO L857 garLoopResultBuilder]: For program point L855-2(lines 855 861) no Hoare annotation was computed. [2021-10-28 23:11:11,262 INFO L857 garLoopResultBuilder]: For program point L855-3(lines 855 861) no Hoare annotation was computed. [2021-10-28 23:11:11,262 INFO L857 garLoopResultBuilder]: For program point L855-4(lines 855 861) no Hoare annotation was computed. [2021-10-28 23:11:11,262 INFO L857 garLoopResultBuilder]: For program point L855-5(lines 855 861) no Hoare annotation was computed. [2021-10-28 23:11:11,263 INFO L857 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2021-10-28 23:11:11,263 INFO L857 garLoopResultBuilder]: For program point L790(lines 790 794) no Hoare annotation was computed. [2021-10-28 23:11:11,263 INFO L857 garLoopResultBuilder]: For program point L890(lines 890 903) no Hoare annotation was computed. [2021-10-28 23:11:11,263 INFO L853 garLoopResultBuilder]: At program point L890-1(lines 1 942) the Hoare annotation is: (let ((.cse16 (<= 1 ~methaneLevelCritical~0)) (.cse10 (<= 2 ~waterLevel~0)) (.cse11 (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~4 1)) (.cse18 (<= 1 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8)) (.cse19 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse13 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse8 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse9 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse3 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse17 (= ULTIMATE.start_processEnvironment_~tmp~5 0)) (.cse12 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse6 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0)) (.cse14 (= ~pumpRunning~0 1)) (.cse15 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse7 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0))) (or (and (not (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~2 2)) .cse0 .cse1 .cse2 .cse3 .cse4 (<= ~waterLevel~0 1) .cse5 (not (= |ULTIMATE.start_getWaterLevel_#res| 2)) .cse6 .cse7) (and .cse0 .cse8 .cse9 .cse3 .cse4 .cse10 .cse11 .cse5 .cse12 .cse6 .cse13 .cse7 .cse14 .cse15) (and .cse0 .cse8 .cse9 .cse16 .cse17 .cse5 .cse18 .cse12 .cse19 .cse7 .cse14 .cse15) (and .cse0 .cse1 .cse2 .cse16 .cse5 .cse18 .cse19 .cse7) (and .cse0 .cse8 .cse9 .cse16 .cse10 .cse11 .cse5 .cse18 .cse12 .cse19 .cse13 .cse7 .cse14 .cse15) (and .cse0 .cse8 .cse9 .cse3 .cse4 .cse17 .cse5 .cse12 .cse6 .cse7 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse14 .cse15) (and .cse0 .cse1 .cse2 .cse4 .cse5 (= ~waterLevel~0 1) .cse7))) [2021-10-28 23:11:11,264 INFO L857 garLoopResultBuilder]: For program point L890-2(lines 890 903) no Hoare annotation was computed. [2021-10-28 23:11:11,264 INFO L853 garLoopResultBuilder]: At program point L890-3(lines 1 942) the Hoare annotation is: false [2021-10-28 23:11:11,264 INFO L857 garLoopResultBuilder]: For program point L890-4(lines 890 903) no Hoare annotation was computed. [2021-10-28 23:11:11,264 INFO L853 garLoopResultBuilder]: At program point L890-5(lines 1 942) the Hoare annotation is: false [2021-10-28 23:11:11,264 INFO L857 garLoopResultBuilder]: For program point L593(lines 593 610) no Hoare annotation was computed. [2021-10-28 23:11:11,265 INFO L857 garLoopResultBuilder]: For program point L593-1(lines 593 610) no Hoare annotation was computed. [2021-10-28 23:11:11,265 INFO L857 garLoopResultBuilder]: For program point L593-2(lines 593 610) no Hoare annotation was computed. [2021-10-28 23:11:11,265 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 23:11:11,265 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 870) no Hoare annotation was computed. [2021-10-28 23:11:11,265 INFO L857 garLoopResultBuilder]: For program point L726(lines 726 732) no Hoare annotation was computed. [2021-10-28 23:11:11,266 INFO L853 garLoopResultBuilder]: At program point L726-1(lines 726 732) the Hoare annotation is: (let ((.cse18 (= ~waterLevel~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse8 (= ULTIMATE.start_isHighWaterLevel_~tmp~6 0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse5 (= 1 ~systemActive~0)) (.cse6 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0)) (.cse13 (= ~pumpRunning~0 1))) (let ((.cse9 (<= 1 ~methaneLevelCritical~0)) (.cse16 (or (and .cse0 .cse2 .cse8 .cse5 .cse18 .cse6 .cse13) (and .cse0 .cse2 .cse8 .cse4 .cse5 .cse6 .cse13))) (.cse11 (<= 1 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8)) (.cse12 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse7 (= |ULTIMATE.start_isHighWaterLevel_#res| 1)) (.cse15 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse10 (= ULTIMATE.start_processEnvironment_~tmp~5 0)) (.cse17 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~8 0)) (.cse14 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 1)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= ~methaneLevelCritical~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse7 .cse2 .cse8 .cse9 .cse10 .cse5 .cse11 .cse12 .cse6 .cse13 .cse14) (and .cse0 .cse1 .cse2 .cse9 .cse5 .cse11 .cse12 .cse6) (and .cse7 .cse15 .cse3 .cse16 .cse17 .cse14) (and (not (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp___0~2 2)) .cse0 .cse1 .cse2 .cse15 .cse3 .cse5 (not (= |ULTIMATE.start_getWaterLevel_#res| 2)) .cse17 .cse6) (and .cse7 .cse9 .cse16 .cse11 .cse12 .cse14) (and .cse0 .cse7 .cse8 .cse15 .cse3 .cse10 .cse5 (= |ULTIMATE.start_valid_product_#res| 1) .cse17 .cse6 (= |ULTIMATE.start_isMethaneAlarm_#res| 0) .cse13 .cse14) (and .cse0 .cse1 .cse2 .cse3 .cse5 .cse18 .cse6)))) [2021-10-28 23:11:11,266 INFO L857 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2021-10-28 23:11:11,266 INFO L857 garLoopResultBuilder]: For program point L66-1(lines 535 541) no Hoare annotation was computed. [2021-10-28 23:11:11,266 INFO L853 garLoopResultBuilder]: At program point L860(lines 851 864) the Hoare annotation is: false [2021-10-28 23:11:11,267 INFO L853 garLoopResultBuilder]: At program point L860-1(lines 851 864) the Hoare annotation is: (let ((.cse6 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (let ((.cse8 (not .cse6)) (.cse9 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse11 (<= ~waterLevel~0 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse10 (= ~methaneLevelCritical~0 0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse7 (= ULTIMATE.start_main_~tmp~0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse0 .cse1 .cse9 .cse10 .cse11 .cse4 .cse7) (and .cse8 .cse0 .cse1 .cse9 .cse2 .cse11 .cse4 .cse7) (and .cse0 .cse1 .cse10 .cse3 .cse4 .cse5 .cse6 .cse7)))) [2021-10-28 23:11:11,267 INFO L853 garLoopResultBuilder]: At program point L860-2(lines 851 864) the Hoare annotation is: false [2021-10-28 23:11:11,267 INFO L853 garLoopResultBuilder]: At program point L860-3(lines 851 864) the Hoare annotation is: false [2021-10-28 23:11:11,267 INFO L853 garLoopResultBuilder]: At program point L860-4(lines 851 864) the Hoare annotation is: false [2021-10-28 23:11:11,267 INFO L857 garLoopResultBuilder]: For program point L695(lines 695 699) no Hoare annotation was computed. [2021-10-28 23:11:11,268 INFO L853 garLoopResultBuilder]: At program point L860-5(lines 851 864) the Hoare annotation is: false [2021-10-28 23:11:11,268 INFO L857 garLoopResultBuilder]: For program point L695-2(lines 695 699) no Hoare annotation was computed. [2021-10-28 23:11:11,268 INFO L857 garLoopResultBuilder]: For program point L695-3(lines 695 699) no Hoare annotation was computed. [2021-10-28 23:11:11,268 INFO L857 garLoopResultBuilder]: For program point L695-5(lines 695 699) no Hoare annotation was computed. [2021-10-28 23:11:11,268 INFO L857 garLoopResultBuilder]: For program point L695-6(lines 695 699) no Hoare annotation was computed. [2021-10-28 23:11:11,269 INFO L857 garLoopResultBuilder]: For program point L695-8(lines 695 699) no Hoare annotation was computed. [2021-10-28 23:11:11,269 INFO L857 garLoopResultBuilder]: For program point L695-9(lines 695 699) no Hoare annotation was computed. [2021-10-28 23:11:11,269 INFO L857 garLoopResultBuilder]: For program point L695-11(lines 695 699) no Hoare annotation was computed. [2021-10-28 23:11:11,269 INFO L857 garLoopResultBuilder]: For program point L695-12(lines 695 699) no Hoare annotation was computed. [2021-10-28 23:11:11,269 INFO L857 garLoopResultBuilder]: For program point L695-14(lines 695 699) no Hoare annotation was computed. [2021-10-28 23:11:11,269 INFO L857 garLoopResultBuilder]: For program point L695-15(lines 695 699) no Hoare annotation was computed. [2021-10-28 23:11:11,270 INFO L857 garLoopResultBuilder]: For program point L695-17(lines 695 699) no Hoare annotation was computed. [2021-10-28 23:11:11,274 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:11:11,276 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:11:11,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:11:11 BoogieIcfgContainer [2021-10-28 23:11:11,331 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:11:11,332 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:11:11,332 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:11:11,332 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:11:11,333 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:10:55" (3/4) ... [2021-10-28 23:11:11,337 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 23:11:11,361 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-28 23:11:11,362 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-28 23:11:11,364 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-28 23:11:11,365 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-28 23:11:11,367 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 23:11:11,368 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:11:11,370 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 23:11:11,400 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1 [2021-10-28 23:11:11,400 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1) && tmp == systemActive [2021-10-28 23:11:11,401 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((!(tmp___0 == 2) && splverifierCounter == 0) && pumpRunning == 0) && \result == systemActive) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && !(\result == 2)) && tmp == 0) && tmp == systemActive) || (((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && \result == 0) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && tmp == 0) && 1 == systemActive) && 1 <= tmp) && \result == 1) && 1 <= \result) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= tmp) && 1 <= \result) && tmp == systemActive)) || (((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && 1 <= tmp) && \result == 1) && 1 <= \result) && \result == 0) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || ((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && \result == 1) && tmp == 0) && tmp == systemActive) && \result == 0) && pumpRunning == 1) && tmp___0 == 1)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) && tmp == systemActive) [2021-10-28 23:11:11,401 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) || (((((((((((splverifierCounter == 0 && \result == 1) && \result == systemActive) && tmp == 0) && 1 <= methaneLevelCritical) && tmp == 0) && 1 == systemActive) && 1 <= tmp) && 1 <= \result) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= tmp) && 1 <= \result) && tmp == systemActive)) || (((((\result == 1 && \result == 0) && methaneLevelCritical == 0) && (((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 1 == systemActive) && waterLevel == 1) && tmp == systemActive) && pumpRunning == 1) || ((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) && pumpRunning == 1))) && tmp == 0) && tmp___0 == 1)) || (((((((((!(tmp___0 == 2) && splverifierCounter == 0) && pumpRunning == 0) && \result == systemActive) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && !(\result == 2)) && tmp == 0) && tmp == systemActive)) || (((((\result == 1 && 1 <= methaneLevelCritical) && (((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 1 == systemActive) && waterLevel == 1) && tmp == systemActive) && pumpRunning == 1) || ((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) && pumpRunning == 1))) && 1 <= tmp) && 1 <= \result) && tmp___0 == 1)) || ((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && \result == 1) && tmp == 0) && tmp == systemActive) && \result == 0) && pumpRunning == 1) && tmp___0 == 1)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) && tmp == systemActive) [2021-10-28 23:11:11,402 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 1 && 1 <= methaneLevelCritical) && (((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 1 == systemActive) && waterLevel == 1) && tmp == systemActive) && pumpRunning == 1) || ((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) && pumpRunning == 1))) && tmp___0 == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive)) || (((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && \result == 1) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((\result == 1 && methaneLevelCritical == 0) && (((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 1 == systemActive) && waterLevel == 1) && tmp == systemActive) && pumpRunning == 1) || ((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) && pumpRunning == 1))) && tmp___0 == 1)) || (((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && tmp == 0) && 1 == systemActive) && \result == 1) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 <= methaneLevelCritical) && 1 == systemActive) && tmp == systemActive) [2021-10-28 23:11:11,403 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive)) || ((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && \result == 1) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 <= methaneLevelCritical) && 1 == systemActive) && tmp == systemActive) [2021-10-28 23:11:11,403 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((splverifierCounter == 0 && \result == 1) && \result == systemActive) && tmp == 0) && 1 <= methaneLevelCritical) && tmp == 0) && 1 == systemActive) && 1 <= \result) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == systemActive)) || (((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && \result == 1) && \result == 0) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && \result == 1) && \result == 0) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((((((((splverifierCounter == 0 && \result == 1) && \result == systemActive) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && tmp == systemActive) && \result == 0) && pumpRunning == 1) && tmp___0 == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 <= methaneLevelCritical) && 1 == systemActive) && tmp == systemActive) [2021-10-28 23:11:11,405 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && tmp == 0) && 1 == systemActive) && \result == 1) && 1 <= \result) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) || (((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && \result == 1) && tmp == systemActive) && \result == 0) && pumpRunning == 1) && tmp___0 == 1)) || ((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && \result == 1) && 1 <= \result) && \result == 0) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result) && tmp == systemActive)) || ((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && \result == 1) && \result == 0) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) [2021-10-28 23:11:11,406 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && \result == 1) && \result == systemActive) && tmp == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) || (((((((((splverifierCounter == 0 && \result == 1) && \result == systemActive) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) [2021-10-28 23:11:11,407 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((splverifierCounter == 0 && \result == 1) && \result == systemActive) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive) && \result == 0) && pumpRunning == 1) && tmp___0 == 1) || (((((((((splverifierCounter == 0 && \result == 1) && \result == systemActive) && tmp == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) [2021-10-28 23:11:11,407 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= methaneLevelCritical) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && \result == 0) && tmp == systemActive) || (((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == systemActive)) || (((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && \result == systemActive) && 1 <= methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && tmp == systemActive)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && \result == 0) && tmp == systemActive) [2021-10-28 23:11:11,408 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && \result == 0) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) || (((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && !(\result == 2)) && \result == 1) && tmp == 0) && tmp == systemActive)) || ((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && \result == 1) && tmp == 0) && tmp == systemActive) && \result == 0) && pumpRunning == 1) && tmp___0 == 1) [2021-10-28 23:11:11,410 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && \result == 0) && tmp == systemActive) && tmp___0 == 1) || ((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && \result == 0) && tmp == systemActive) && tmp___0 == 1)) || ((((((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && tmp___0 == 0) && 1 <= methaneLevelCritical) && waterLevel <= 1) && \result == 0) && 1 == systemActive) && !(tmp == 0)) && \result == 1) && tmp == systemActive)) || ((((((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && tmp___0 == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && \result == 0) && 1 == systemActive) && !(tmp == 0)) && \result == 1) && tmp == systemActive) [2021-10-28 23:11:11,410 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && \result == 0) && tmp == systemActive) && \result == 1) && pumpRunning == 1) && tmp___0 == 1) || (((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && \result == 1) && tmp == 0) && tmp == systemActive) && \result == 0) && \result == 1) && pumpRunning == 1) && tmp___0 == 1) [2021-10-28 23:11:11,515 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3422bf0-0831-42c3-9e0f-9dd867245331/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:11:11,515 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:11:11,517 INFO L168 Benchmark]: Toolchain (without parser) took 18170.69 ms. Allocated memory was 86.0 MB in the beginning and 247.5 MB in the end (delta: 161.5 MB). Free memory was 48.1 MB in the beginning and 171.6 MB in the end (delta: -123.4 MB). Peak memory consumption was 37.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:11:11,518 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 86.0 MB. Free memory was 65.8 MB in the beginning and 65.7 MB in the end (delta: 84.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:11:11,519 INFO L168 Benchmark]: CACSL2BoogieTranslator took 670.42 ms. Allocated memory was 86.0 MB in the beginning and 113.2 MB in the end (delta: 27.3 MB). Free memory was 48.0 MB in the beginning and 79.0 MB in the end (delta: -31.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:11:11,519 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.49 ms. Allocated memory is still 113.2 MB. Free memory was 78.5 MB in the beginning and 74.8 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:11:11,520 INFO L168 Benchmark]: Boogie Preprocessor took 59.69 ms. Allocated memory is still 113.2 MB. Free memory was 74.8 MB in the beginning and 72.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:11:11,520 INFO L168 Benchmark]: RCFGBuilder took 1298.12 ms. Allocated memory is still 113.2 MB. Free memory was 72.2 MB in the beginning and 74.1 MB in the end (delta: -1.8 MB). Peak memory consumption was 37.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:11:11,521 INFO L168 Benchmark]: TraceAbstraction took 15854.76 ms. Allocated memory was 113.2 MB in the beginning and 247.5 MB in the end (delta: 134.2 MB). Free memory was 73.4 MB in the beginning and 182.1 MB in the end (delta: -108.6 MB). Peak memory consumption was 134.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:11:11,522 INFO L168 Benchmark]: Witness Printer took 183.27 ms. Allocated memory is still 247.5 MB. Free memory was 181.0 MB in the beginning and 171.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:11:11,524 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 86.0 MB. Free memory was 65.8 MB in the beginning and 65.7 MB in the end (delta: 84.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 670.42 ms. Allocated memory was 86.0 MB in the beginning and 113.2 MB in the end (delta: 27.3 MB). Free memory was 48.0 MB in the beginning and 79.0 MB in the end (delta: -31.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 95.49 ms. Allocated memory is still 113.2 MB. Free memory was 78.5 MB in the beginning and 74.8 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 59.69 ms. Allocated memory is still 113.2 MB. Free memory was 74.8 MB in the beginning and 72.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1298.12 ms. Allocated memory is still 113.2 MB. Free memory was 72.2 MB in the beginning and 74.1 MB in the end (delta: -1.8 MB). Peak memory consumption was 37.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 15854.76 ms. Allocated memory was 113.2 MB in the beginning and 247.5 MB in the end (delta: 134.2 MB). Free memory was 73.4 MB in the beginning and 182.1 MB in the end (delta: -108.6 MB). Peak memory consumption was 134.3 MB. Max. memory is 16.1 GB. * Witness Printer took 183.27 ms. Allocated memory is still 247.5 MB. Free memory was 181.0 MB in the beginning and 171.6 MB in the end (delta: 9.4 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: 870]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 870]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 870]: 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, 117 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 15.7s, OverallIterations: 15, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1538 SDtfs, 2322 SDslu, 2475 SDs, 0 SdLazy, 390 SolverSat, 74 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 169 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=240occurred in iteration=12, InterpolantAutomatonStates: 90, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 15 MinimizatonAttempts, 1190 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 313 NumberOfFragments, 1898 HoareAnnotationTreeSize, 45 FomulaSimplifications, 5385353 FormulaSimplificationTreeSizeReduction, 3.6s HoareSimplificationTime, 45 FomulaSimplificationsInter, 1279027 FormulaSimplificationTreeSizeReductionInter, 6.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 615 NumberOfCodeBlocks, 615 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 599 ConstructedInterpolants, 0 QuantifiedInterpolants, 1145 SizeOfPredicates, 3 NumberOfNonLiveVariables, 430 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 118/122 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: 534]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && pumpRunning == 0) && 1 <= methaneLevelCritical) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && \result == 0) && tmp == systemActive) || (((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == systemActive)) || (((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && \result == systemActive) && 1 <= methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && tmp == systemActive)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && \result == 0) && tmp == systemActive) - InvariantResult [Line: 842]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: ((((((((((splverifierCounter == 0 && \result == 1) && \result == systemActive) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive) && \result == 0) && pumpRunning == 1) && tmp___0 == 1) || (((((((((splverifierCounter == 0 && \result == 1) && \result == systemActive) && tmp == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 810]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 842]: Loop Invariant Derived loop invariant: ((((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && \result == 0) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) || (((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && !(\result == 2)) && \result == 1) && tmp == 0) && tmp == systemActive)) || ((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && \result == 1) && tmp == 0) && tmp == systemActive) && \result == 0) && pumpRunning == 1) && tmp___0 == 1) - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: ((((((((((((((splverifierCounter == 0 && \result == 1) && \result == systemActive) && tmp == 0) && 1 <= methaneLevelCritical) && tmp == 0) && 1 == systemActive) && 1 <= \result) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == systemActive)) || (((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && \result == 1) && \result == 0) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && \result == 1) && \result == 0) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((((((((splverifierCounter == 0 && \result == 1) && \result == systemActive) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && tmp == systemActive) && \result == 0) && pumpRunning == 1) && tmp___0 == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 <= methaneLevelCritical) && 1 == systemActive) && tmp == systemActive) - InvariantResult [Line: 810]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && \result == 1) && \result == systemActive) && tmp == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) || (((((((((splverifierCounter == 0 && \result == 1) && \result == systemActive) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) - InvariantResult [Line: 810]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 810]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1) && tmp == systemActive - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((((((((!(tmp___0 == 2) && splverifierCounter == 0) && pumpRunning == 0) && \result == systemActive) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && !(\result == 2)) && tmp == 0) && tmp == systemActive) || (((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && \result == 0) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && tmp == 0) && 1 == systemActive) && 1 <= tmp) && \result == 1) && 1 <= \result) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= tmp) && 1 <= \result) && tmp == systemActive)) || (((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && 1 <= tmp) && \result == 1) && 1 <= \result) && \result == 0) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || ((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && \result == 1) && tmp == 0) && tmp == systemActive) && \result == 0) && pumpRunning == 1) && tmp___0 == 1)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) && tmp == systemActive) - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: ((((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) || (((((((((((splverifierCounter == 0 && \result == 1) && \result == systemActive) && tmp == 0) && 1 <= methaneLevelCritical) && tmp == 0) && 1 == systemActive) && 1 <= tmp) && 1 <= \result) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= tmp) && 1 <= \result) && tmp == systemActive)) || (((((\result == 1 && \result == 0) && methaneLevelCritical == 0) && (((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 1 == systemActive) && waterLevel == 1) && tmp == systemActive) && pumpRunning == 1) || ((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) && pumpRunning == 1))) && tmp == 0) && tmp___0 == 1)) || (((((((((!(tmp___0 == 2) && splverifierCounter == 0) && pumpRunning == 0) && \result == systemActive) && \result == 0) && methaneLevelCritical == 0) && 1 == systemActive) && !(\result == 2)) && tmp == 0) && tmp == systemActive)) || (((((\result == 1 && 1 <= methaneLevelCritical) && (((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 1 == systemActive) && waterLevel == 1) && tmp == systemActive) && pumpRunning == 1) || ((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) && pumpRunning == 1))) && 1 <= tmp) && 1 <= \result) && tmp___0 == 1)) || ((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && \result == 1) && tmp == 0) && tmp == systemActive) && \result == 0) && pumpRunning == 1) && tmp___0 == 1)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1) && tmp == systemActive) - InvariantResult [Line: 810]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: ((((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && \result == 1) && tmp == 0) && \result == 0) && tmp == systemActive) && \result == 1) && pumpRunning == 1) && tmp___0 == 1) || (((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && \result == 1) && tmp == 0) && tmp == systemActive) && \result == 0) && \result == 1) && pumpRunning == 1) && tmp___0 == 1) - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: ((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive)) || ((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && 1 == systemActive) && \result == 1) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 <= methaneLevelCritical) && 1 == systemActive) && tmp == systemActive) - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: ((((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && \result == 0) && tmp == systemActive) && tmp___0 == 1) || ((((((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && 2 <= waterLevel) && 1 == systemActive) && \result == 1) && \result == 0) && tmp == systemActive) && tmp___0 == 1)) || ((((((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && tmp___0 == 0) && 1 <= methaneLevelCritical) && waterLevel <= 1) && \result == 0) && 1 == systemActive) && !(tmp == 0)) && \result == 1) && tmp == systemActive)) || ((((((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && tmp___0 == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && \result == 0) && 1 == systemActive) && !(tmp == 0)) && \result == 1) && tmp == systemActive) - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 534]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 851]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 810]: Loop Invariant Derived loop invariant: ((((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && tmp == 0) && 1 == systemActive) && \result == 1) && 1 <= \result) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) || (((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && \result == 1) && tmp == systemActive) && \result == 0) && pumpRunning == 1) && tmp___0 == 1)) || ((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && \result == 1) && 1 <= \result) && \result == 0) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && \result == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp == systemActive)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 <= methaneLevelCritical) && 1 == systemActive) && 1 <= \result) && tmp == systemActive)) || ((((((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && \result == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && \result == 1) && \result == 0) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1) - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 842]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 736]: Loop Invariant Derived loop invariant: (((((((\result == 1 && 1 <= methaneLevelCritical) && (((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 1 == systemActive) && waterLevel == 1) && tmp == systemActive) && pumpRunning == 1) || ((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) && pumpRunning == 1))) && tmp___0 == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && 1 == systemActive) && tmp == systemActive)) || (((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && methaneLevelCritical == 0) && tmp == 0) && 1 == systemActive) && \result == 1) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((\result == 1 && methaneLevelCritical == 0) && (((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 1 == systemActive) && waterLevel == 1) && tmp == systemActive) && pumpRunning == 1) || ((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && 2 <= waterLevel) && 1 == systemActive) && tmp == systemActive) && pumpRunning == 1))) && tmp___0 == 1)) || (((((((((splverifierCounter == 0 && \result == 1) && tmp == 0) && 1 <= methaneLevelCritical) && tmp == 0) && 1 == systemActive) && \result == 1) && tmp == systemActive) && pumpRunning == 1) && tmp___0 == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 1 <= methaneLevelCritical) && 1 == systemActive) && tmp == systemActive) - InvariantResult [Line: 630]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 934]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-28 23:11:11,628 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3422bf0-0831-42c3-9e0f-9dd867245331/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...