./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product46.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3f99a2-5c9b-41a9-9ca6-0c8db6d926bc/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3f99a2-5c9b-41a9-9ca6-0c8db6d926bc/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3f99a2-5c9b-41a9-9ca6-0c8db6d926bc/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3f99a2-5c9b-41a9-9ca6-0c8db6d926bc/bin/uautomizer-wIGwrQj20G/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product46.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3f99a2-5c9b-41a9-9ca6-0c8db6d926bc/bin/uautomizer-wIGwrQj20G/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3f99a2-5c9b-41a9-9ca6-0c8db6d926bc/bin/uautomizer-wIGwrQj20G --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 02fb1fa00f2030f7900be70496baf2f4c44344da378fa11ef09f1f26dc14ae9d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 14:06:32,735 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 14:06:32,738 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 14:06:32,779 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 14:06:32,782 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 14:06:32,787 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 14:06:32,790 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 14:06:32,794 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 14:06:32,796 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 14:06:32,797 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 14:06:32,799 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 14:06:32,800 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 14:06:32,801 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 14:06:32,802 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 14:06:32,804 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 14:06:32,806 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 14:06:32,807 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 14:06:32,809 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 14:06:32,811 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 14:06:32,814 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 14:06:32,816 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 14:06:32,823 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 14:06:32,833 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 14:06:32,835 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 14:06:32,840 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 14:06:32,846 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 14:06:32,846 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 14:06:32,848 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 14:06:32,849 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 14:06:32,850 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 14:06:32,850 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 14:06:32,851 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 14:06:32,852 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 14:06:32,853 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 14:06:32,854 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 14:06:32,854 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 14:06:32,855 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 14:06:32,856 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 14:06:32,856 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 14:06:32,857 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 14:06:32,858 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 14:06:32,859 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3f99a2-5c9b-41a9-9ca6-0c8db6d926bc/bin/uautomizer-wIGwrQj20G/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-23 14:06:32,887 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 14:06:32,887 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 14:06:32,888 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 14:06:32,888 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 14:06:32,889 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 14:06:32,889 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 14:06:32,890 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 14:06:32,890 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 14:06:32,890 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 14:06:32,890 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 14:06:32,891 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 14:06:32,891 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 14:06:32,891 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 14:06:32,891 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 14:06:32,892 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 14:06:32,892 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 14:06:32,892 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 14:06:32,892 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 14:06:32,893 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 14:06:32,893 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 14:06:32,893 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 14:06:32,893 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 14:06:32,894 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 14:06:32,894 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 14:06:32,894 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 14:06:32,895 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 14:06:32,895 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 14:06:32,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 14:06:32,895 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 14:06:32,896 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-23 14:06:32,896 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 14:06:32,900 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 14:06:32,900 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_6b3f99a2-5c9b-41a9-9ca6-0c8db6d926bc/bin/uautomizer-wIGwrQj20G/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3f99a2-5c9b-41a9-9ca6-0c8db6d926bc/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02fb1fa00f2030f7900be70496baf2f4c44344da378fa11ef09f1f26dc14ae9d [2021-11-23 14:06:33,167 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 14:06:33,204 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 14:06:33,207 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 14:06:33,210 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 14:06:33,210 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 14:06:33,212 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3f99a2-5c9b-41a9-9ca6-0c8db6d926bc/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/product-lines/minepump_spec2_product46.cil.c [2021-11-23 14:06:33,296 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3f99a2-5c9b-41a9-9ca6-0c8db6d926bc/bin/uautomizer-wIGwrQj20G/data/869af0663/87043db7d0da4fcf804e7fe98ca98f60/FLAG59f3067ef [2021-11-23 14:06:33,812 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 14:06:33,813 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3f99a2-5c9b-41a9-9ca6-0c8db6d926bc/sv-benchmarks/c/product-lines/minepump_spec2_product46.cil.c [2021-11-23 14:06:33,831 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3f99a2-5c9b-41a9-9ca6-0c8db6d926bc/bin/uautomizer-wIGwrQj20G/data/869af0663/87043db7d0da4fcf804e7fe98ca98f60/FLAG59f3067ef [2021-11-23 14:06:34,122 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3f99a2-5c9b-41a9-9ca6-0c8db6d926bc/bin/uautomizer-wIGwrQj20G/data/869af0663/87043db7d0da4fcf804e7fe98ca98f60 [2021-11-23 14:06:34,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 14:06:34,136 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 14:06:34,137 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 14:06:34,138 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 14:06:34,141 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 14:06:34,142 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:06:34" (1/1) ... [2021-11-23 14:06:34,143 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41c52887 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:34, skipping insertion in model container [2021-11-23 14:06:34,143 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:06:34" (1/1) ... [2021-11-23 14:06:34,151 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 14:06:34,196 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 14:06:34,497 WARN L230 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_6b3f99a2-5c9b-41a9-9ca6-0c8db6d926bc/sv-benchmarks/c/product-lines/minepump_spec2_product46.cil.c[17174,17187] [2021-11-23 14:06:34,518 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 14:06:34,533 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 14:06:34,647 WARN L230 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_6b3f99a2-5c9b-41a9-9ca6-0c8db6d926bc/sv-benchmarks/c/product-lines/minepump_spec2_product46.cil.c[17174,17187] [2021-11-23 14:06:34,656 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 14:06:34,685 INFO L208 MainTranslator]: Completed translation [2021-11-23 14:06:34,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:34 WrapperNode [2021-11-23 14:06:34,687 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 14:06:34,688 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 14:06:34,689 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 14:06:34,689 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 14:06:34,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:34" (1/1) ... [2021-11-23 14:06:34,727 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:34" (1/1) ... [2021-11-23 14:06:34,781 INFO L137 Inliner]: procedures = 56, calls = 157, calls flagged for inlining = 54, calls inlined = 97, statements flattened = 767 [2021-11-23 14:06:34,792 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 14:06:34,793 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 14:06:34,793 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 14:06:34,793 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 14:06:34,802 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:34" (1/1) ... [2021-11-23 14:06:34,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:34" (1/1) ... [2021-11-23 14:06:34,813 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:34" (1/1) ... [2021-11-23 14:06:34,813 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:34" (1/1) ... [2021-11-23 14:06:34,830 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:34" (1/1) ... [2021-11-23 14:06:34,848 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:34" (1/1) ... [2021-11-23 14:06:34,851 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:34" (1/1) ... [2021-11-23 14:06:34,856 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 14:06:34,857 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 14:06:34,857 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 14:06:34,857 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 14:06:34,876 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:34" (1/1) ... [2021-11-23 14:06:34,887 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 14:06:34,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3f99a2-5c9b-41a9-9ca6-0c8db6d926bc/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:34,913 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3f99a2-5c9b-41a9-9ca6-0c8db6d926bc/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:34,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3f99a2-5c9b-41a9-9ca6-0c8db6d926bc/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 14:06:34,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 14:06:34,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 14:06:34,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 14:06:34,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 14:06:35,028 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 14:06:35,029 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 14:06:35,525 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 14:06:35,542 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 14:06:35,545 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 14:06:35,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:06:35 BoogieIcfgContainer [2021-11-23 14:06:35,550 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 14:06:35,552 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 14:06:35,552 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 14:06:35,556 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 14:06:35,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:06:34" (1/3) ... [2021-11-23 14:06:35,558 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2189ef51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:06:35, skipping insertion in model container [2021-11-23 14:06:35,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:34" (2/3) ... [2021-11-23 14:06:35,558 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2189ef51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:06:35, skipping insertion in model container [2021-11-23 14:06:35,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:06:35" (3/3) ... [2021-11-23 14:06:35,560 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product46.cil.c [2021-11-23 14:06:35,569 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 14:06:35,570 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-23 14:06:35,641 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 14:06:35,655 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 [2021-11-23 14:06:35,656 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-23 14:06:35,681 INFO L276 IsEmpty]: Start isEmpty. Operand has 188 states, 184 states have (on average 1.3804347826086956) internal successors, (254), 187 states have internal predecessors, (254), 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) [2021-11-23 14:06:35,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 14:06:35,697 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 14:06:35,698 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:06:35,698 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:06:35,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:06:35,704 INFO L85 PathProgramCache]: Analyzing trace with hash -1750171229, now seen corresponding path program 1 times [2021-11-23 14:06:35,713 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:06:35,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999328679] [2021-11-23 14:06:35,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:06:35,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:06:35,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:06:35,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:06:35,911 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:06:35,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999328679] [2021-11-23 14:06:35,913 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999328679] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:06:35,913 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:06:35,913 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 14:06:35,915 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922154344] [2021-11-23 14:06:35,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:06:35,920 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 14:06:35,921 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:06:35,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 14:06:35,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 14:06:35,954 INFO L87 Difference]: Start difference. First operand has 188 states, 184 states have (on average 1.3804347826086956) internal successors, (254), 187 states have internal predecessors, (254), 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 9.5) internal successors, (19), 2 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) [2021-11-23 14:06:36,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 14:06:36,001 INFO L93 Difference]: Finished difference Result 365 states and 496 transitions. [2021-11-23 14:06:36,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 14:06:36,007 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 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 [2021-11-23 14:06:36,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 14:06:36,020 INFO L225 Difference]: With dead ends: 365 [2021-11-23 14:06:36,020 INFO L226 Difference]: Without dead ends: 178 [2021-11-23 14:06:36,024 INFO L932 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 [2021-11-23 14:06:36,028 INFO L933 BasicCegarLoop]: 244 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 14:06:36,030 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 14:06:36,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2021-11-23 14:06:36,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2021-11-23 14:06:36,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 175 states have (on average 1.3485714285714285) internal successors, (236), 177 states have internal predecessors, (236), 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) [2021-11-23 14:06:36,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 236 transitions. [2021-11-23 14:06:36,093 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 236 transitions. Word has length 19 [2021-11-23 14:06:36,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 14:06:36,094 INFO L470 AbstractCegarLoop]: Abstraction has 178 states and 236 transitions. [2021-11-23 14:06:36,095 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 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) [2021-11-23 14:06:36,095 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 236 transitions. [2021-11-23 14:06:36,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 14:06:36,099 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 14:06:36,099 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:06:36,099 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 14:06:36,100 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:06:36,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:06:36,104 INFO L85 PathProgramCache]: Analyzing trace with hash -1741587257, now seen corresponding path program 1 times [2021-11-23 14:06:36,104 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:06:36,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85611783] [2021-11-23 14:06:36,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:06:36,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:06:36,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:06:36,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:06:36,237 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:06:36,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85611783] [2021-11-23 14:06:36,237 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85611783] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:06:36,238 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:06:36,238 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 14:06:36,238 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125545436] [2021-11-23 14:06:36,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:06:36,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 14:06:36,240 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:06:36,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 14:06:36,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 14:06:36,241 INFO L87 Difference]: Start difference. First operand 178 states and 236 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2021-11-23 14:06:36,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 14:06:36,260 INFO L93 Difference]: Finished difference Result 178 states and 236 transitions. [2021-11-23 14:06:36,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:06:36,261 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 20 [2021-11-23 14:06:36,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 14:06:36,263 INFO L225 Difference]: With dead ends: 178 [2021-11-23 14:06:36,263 INFO L226 Difference]: Without dead ends: 73 [2021-11-23 14:06:36,264 INFO L932 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 [2021-11-23 14:06:36,265 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 87 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 14:06:36,266 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [87 Valid, 102 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 14:06:36,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-11-23 14:06:36,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-11-23 14:06:36,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 72 states have (on average 1.3333333333333333) internal successors, (96), 72 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) [2021-11-23 14:06:36,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 96 transitions. [2021-11-23 14:06:36,276 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 96 transitions. Word has length 20 [2021-11-23 14:06:36,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 14:06:36,276 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 96 transitions. [2021-11-23 14:06:36,276 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2021-11-23 14:06:36,277 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 96 transitions. [2021-11-23 14:06:36,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 14:06:36,278 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 14:06:36,278 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:06:36,278 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 14:06:36,279 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:06:36,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:06:36,280 INFO L85 PathProgramCache]: Analyzing trace with hash 245734543, now seen corresponding path program 1 times [2021-11-23 14:06:36,280 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:06:36,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903966877] [2021-11-23 14:06:36,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:06:36,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:06:36,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:06:36,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:06:36,358 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:06:36,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903966877] [2021-11-23 14:06:36,358 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903966877] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:06:36,358 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:06:36,358 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 14:06:36,359 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563800826] [2021-11-23 14:06:36,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:06:36,359 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 14:06:36,359 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:06:36,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 14:06:36,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 14:06:36,361 INFO L87 Difference]: Start difference. First operand 73 states and 96 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2021-11-23 14:06:36,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 14:06:36,403 INFO L93 Difference]: Finished difference Result 138 states and 184 transitions. [2021-11-23 14:06:36,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:06:36,410 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 27 [2021-11-23 14:06:36,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 14:06:36,411 INFO L225 Difference]: With dead ends: 138 [2021-11-23 14:06:36,412 INFO L226 Difference]: Without dead ends: 73 [2021-11-23 14:06:36,412 INFO L932 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 [2021-11-23 14:06:36,413 INFO L933 BasicCegarLoop]: 94 mSDtfsCounter, 90 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 14:06:36,414 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [90 Valid, 94 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 14:06:36,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-11-23 14:06:36,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-11-23 14:06:36,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 72 states have (on average 1.3194444444444444) internal successors, (95), 72 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:06:36,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 95 transitions. [2021-11-23 14:06:36,425 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 95 transitions. Word has length 27 [2021-11-23 14:06:36,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 14:06:36,426 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 95 transitions. [2021-11-23 14:06:36,426 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2021-11-23 14:06:36,426 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 95 transitions. [2021-11-23 14:06:36,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 14:06:36,428 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 14:06:36,428 INFO L514 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] [2021-11-23 14:06:36,428 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 14:06:36,428 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:06:36,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:06:36,429 INFO L85 PathProgramCache]: Analyzing trace with hash -392506158, now seen corresponding path program 1 times [2021-11-23 14:06:36,429 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:06:36,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025490568] [2021-11-23 14:06:36,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:06:36,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:06:36,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:06:36,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:06:36,497 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:06:36,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025490568] [2021-11-23 14:06:36,498 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025490568] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:06:36,498 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:06:36,498 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 14:06:36,498 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788051936] [2021-11-23 14:06:36,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:06:36,499 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 14:06:36,499 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:06:36,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 14:06:36,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 14:06:36,500 INFO L87 Difference]: Start difference. First operand 73 states and 95 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 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) [2021-11-23 14:06:36,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 14:06:36,580 INFO L93 Difference]: Finished difference Result 170 states and 224 transitions. [2021-11-23 14:06:36,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:06:36,580 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 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 [2021-11-23 14:06:36,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 14:06:36,582 INFO L225 Difference]: With dead ends: 170 [2021-11-23 14:06:36,582 INFO L226 Difference]: Without dead ends: 105 [2021-11-23 14:06:36,584 INFO L932 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 [2021-11-23 14:06:36,589 INFO L933 BasicCegarLoop]: 90 mSDtfsCounter, 56 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 14:06:36,589 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [56 Valid, 137 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 14:06:36,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2021-11-23 14:06:36,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 103. [2021-11-23 14:06:36,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 102 states have (on average 1.303921568627451) internal successors, (133), 102 states have internal predecessors, (133), 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) [2021-11-23 14:06:36,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 133 transitions. [2021-11-23 14:06:36,616 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 133 transitions. Word has length 32 [2021-11-23 14:06:36,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 14:06:36,616 INFO L470 AbstractCegarLoop]: Abstraction has 103 states and 133 transitions. [2021-11-23 14:06:36,616 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 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) [2021-11-23 14:06:36,617 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 133 transitions. [2021-11-23 14:06:36,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 14:06:36,618 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 14:06:36,618 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:06:36,618 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 14:06:36,619 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:06:36,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:06:36,619 INFO L85 PathProgramCache]: Analyzing trace with hash 323692586, now seen corresponding path program 1 times [2021-11-23 14:06:36,620 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:06:36,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779127283] [2021-11-23 14:06:36,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:06:36,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:06:36,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:06:36,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:06:36,741 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:06:36,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779127283] [2021-11-23 14:06:36,742 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779127283] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:06:36,742 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:06:36,742 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 14:06:36,743 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495190976] [2021-11-23 14:06:36,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:06:36,743 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 14:06:36,743 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:06:36,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 14:06:36,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 14:06:36,745 INFO L87 Difference]: Start difference. First operand 103 states and 133 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 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) [2021-11-23 14:06:36,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 14:06:36,892 INFO L93 Difference]: Finished difference Result 501 states and 654 transitions. [2021-11-23 14:06:36,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-23 14:06:36,892 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 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 38 [2021-11-23 14:06:36,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 14:06:36,897 INFO L225 Difference]: With dead ends: 501 [2021-11-23 14:06:36,897 INFO L226 Difference]: Without dead ends: 406 [2021-11-23 14:06:36,898 INFO L932 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 [2021-11-23 14:06:36,907 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 355 mSDsluCounter, 399 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 355 SdHoareTripleChecker+Valid, 524 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 14:06:36,908 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [355 Valid, 524 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 14:06:36,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2021-11-23 14:06:36,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 190. [2021-11-23 14:06:36,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 189 states have (on average 1.2857142857142858) internal successors, (243), 189 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) [2021-11-23 14:06:36,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 243 transitions. [2021-11-23 14:06:36,968 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 243 transitions. Word has length 38 [2021-11-23 14:06:36,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 14:06:36,969 INFO L470 AbstractCegarLoop]: Abstraction has 190 states and 243 transitions. [2021-11-23 14:06:36,969 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 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) [2021-11-23 14:06:36,969 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 243 transitions. [2021-11-23 14:06:36,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 14:06:36,971 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 14:06:36,971 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:06:36,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 14:06:36,971 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:06:36,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:06:36,972 INFO L85 PathProgramCache]: Analyzing trace with hash 669230211, now seen corresponding path program 1 times [2021-11-23 14:06:36,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:06:36,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019190572] [2021-11-23 14:06:36,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:06:36,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:06:36,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:06:37,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:06:37,045 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:06:37,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019190572] [2021-11-23 14:06:37,045 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019190572] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:06:37,045 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:06:37,046 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 14:06:37,046 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847783466] [2021-11-23 14:06:37,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:06:37,046 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 14:06:37,047 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:06:37,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 14:06:37,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 14:06:37,047 INFO L87 Difference]: Start difference. First operand 190 states and 243 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 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) [2021-11-23 14:06:37,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 14:06:37,206 INFO L93 Difference]: Finished difference Result 733 states and 938 transitions. [2021-11-23 14:06:37,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-23 14:06:37,206 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 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 40 [2021-11-23 14:06:37,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 14:06:37,210 INFO L225 Difference]: With dead ends: 733 [2021-11-23 14:06:37,210 INFO L226 Difference]: Without dead ends: 551 [2021-11-23 14:06:37,211 INFO L932 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 [2021-11-23 14:06:37,212 INFO L933 BasicCegarLoop]: 195 mSDtfsCounter, 330 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 14:06:37,212 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [330 Valid, 644 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 14:06:37,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2021-11-23 14:06:37,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 189. [2021-11-23 14:06:37,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 188 states have (on average 1.2765957446808511) internal successors, (240), 188 states have internal predecessors, (240), 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) [2021-11-23 14:06:37,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 240 transitions. [2021-11-23 14:06:37,237 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 240 transitions. Word has length 40 [2021-11-23 14:06:37,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 14:06:37,237 INFO L470 AbstractCegarLoop]: Abstraction has 189 states and 240 transitions. [2021-11-23 14:06:37,237 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 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) [2021-11-23 14:06:37,237 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 240 transitions. [2021-11-23 14:06:37,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 14:06:37,239 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 14:06:37,240 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:06:37,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-23 14:06:37,240 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:06:37,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:06:37,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1417151835, now seen corresponding path program 1 times [2021-11-23 14:06:37,256 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:06:37,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951822736] [2021-11-23 14:06:37,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:06:37,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:06:37,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:06:37,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:06:37,333 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:06:37,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951822736] [2021-11-23 14:06:37,333 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951822736] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:06:37,333 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:06:37,333 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 14:06:37,333 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452563553] [2021-11-23 14:06:37,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:06:37,334 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 14:06:37,334 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:06:37,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 14:06:37,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 14:06:37,335 INFO L87 Difference]: Start difference. First operand 189 states and 240 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 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) [2021-11-23 14:06:37,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 14:06:37,428 INFO L93 Difference]: Finished difference Result 496 states and 626 transitions. [2021-11-23 14:06:37,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 14:06:37,429 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 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 44 [2021-11-23 14:06:37,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 14:06:37,432 INFO L225 Difference]: With dead ends: 496 [2021-11-23 14:06:37,432 INFO L226 Difference]: Without dead ends: 315 [2021-11-23 14:06:37,433 INFO L932 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 [2021-11-23 14:06:37,435 INFO L933 BasicCegarLoop]: 112 mSDtfsCounter, 158 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 14:06:37,435 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [158 Valid, 414 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 14:06:37,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2021-11-23 14:06:37,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 201. [2021-11-23 14:06:37,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 200 states have (on average 1.26) internal successors, (252), 200 states have internal predecessors, (252), 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) [2021-11-23 14:06:37,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 252 transitions. [2021-11-23 14:06:37,471 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 252 transitions. Word has length 44 [2021-11-23 14:06:37,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 14:06:37,471 INFO L470 AbstractCegarLoop]: Abstraction has 201 states and 252 transitions. [2021-11-23 14:06:37,471 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 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) [2021-11-23 14:06:37,472 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 252 transitions. [2021-11-23 14:06:37,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 14:06:37,476 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 14:06:37,476 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:06:37,476 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-23 14:06:37,476 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:06:37,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:06:37,477 INFO L85 PathProgramCache]: Analyzing trace with hash -576992871, now seen corresponding path program 1 times [2021-11-23 14:06:37,477 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:06:37,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042299687] [2021-11-23 14:06:37,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:06:37,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:06:37,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:06:37,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:06:37,529 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:06:37,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042299687] [2021-11-23 14:06:37,529 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042299687] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:06:37,529 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:06:37,530 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 14:06:37,530 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978141302] [2021-11-23 14:06:37,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:06:37,530 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 14:06:37,530 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:06:37,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 14:06:37,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 14:06:37,531 INFO L87 Difference]: Start difference. First operand 201 states and 252 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 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) [2021-11-23 14:06:37,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 14:06:37,619 INFO L93 Difference]: Finished difference Result 534 states and 664 transitions. [2021-11-23 14:06:37,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 14:06:37,620 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 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 44 [2021-11-23 14:06:37,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 14:06:37,623 INFO L225 Difference]: With dead ends: 534 [2021-11-23 14:06:37,624 INFO L226 Difference]: Without dead ends: 341 [2021-11-23 14:06:37,624 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-23 14:06:37,627 INFO L933 BasicCegarLoop]: 112 mSDtfsCounter, 265 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 14:06:37,628 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [265 Valid, 303 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 14:06:37,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2021-11-23 14:06:37,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 209. [2021-11-23 14:06:37,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 208 states have (on average 1.25) internal successors, (260), 208 states have internal predecessors, (260), 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) [2021-11-23 14:06:37,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 260 transitions. [2021-11-23 14:06:37,654 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 260 transitions. Word has length 44 [2021-11-23 14:06:37,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 14:06:37,661 INFO L470 AbstractCegarLoop]: Abstraction has 209 states and 260 transitions. [2021-11-23 14:06:37,661 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 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) [2021-11-23 14:06:37,661 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 260 transitions. [2021-11-23 14:06:37,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 14:06:37,667 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 14:06:37,667 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:06:37,668 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-23 14:06:37,668 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:06:37,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:06:37,672 INFO L85 PathProgramCache]: Analyzing trace with hash -1394641321, now seen corresponding path program 1 times [2021-11-23 14:06:37,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:06:37,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507615027] [2021-11-23 14:06:37,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:06:37,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:06:37,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:06:37,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:06:37,739 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:06:37,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507615027] [2021-11-23 14:06:37,740 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507615027] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:06:37,740 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:06:37,740 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 14:06:37,740 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318938280] [2021-11-23 14:06:37,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:06:37,741 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 14:06:37,741 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:06:37,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 14:06:37,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 14:06:37,742 INFO L87 Difference]: Start difference. First operand 209 states and 260 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 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) [2021-11-23 14:06:37,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 14:06:37,785 INFO L93 Difference]: Finished difference Result 476 states and 592 transitions. [2021-11-23 14:06:37,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:06:37,786 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 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 44 [2021-11-23 14:06:37,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 14:06:37,788 INFO L225 Difference]: With dead ends: 476 [2021-11-23 14:06:37,788 INFO L226 Difference]: Without dead ends: 275 [2021-11-23 14:06:37,789 INFO L932 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 [2021-11-23 14:06:37,789 INFO L933 BasicCegarLoop]: 91 mSDtfsCounter, 23 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 14:06:37,790 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 168 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 14:06:37,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2021-11-23 14:06:37,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 275. [2021-11-23 14:06:37,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 274 states have (on average 1.2262773722627738) internal successors, (336), 274 states have internal predecessors, (336), 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) [2021-11-23 14:06:37,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 336 transitions. [2021-11-23 14:06:37,820 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 336 transitions. Word has length 44 [2021-11-23 14:06:37,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 14:06:37,820 INFO L470 AbstractCegarLoop]: Abstraction has 275 states and 336 transitions. [2021-11-23 14:06:37,820 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 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) [2021-11-23 14:06:37,820 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 336 transitions. [2021-11-23 14:06:37,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 14:06:37,821 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 14:06:37,821 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:06:37,821 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-23 14:06:37,822 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:06:37,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:06:37,822 INFO L85 PathProgramCache]: Analyzing trace with hash 621385426, now seen corresponding path program 1 times [2021-11-23 14:06:37,822 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:06:37,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775399658] [2021-11-23 14:06:37,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:06:37,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:06:37,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:06:37,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:06:37,897 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:06:37,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775399658] [2021-11-23 14:06:37,900 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775399658] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:06:37,900 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 14:06:37,900 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-23 14:06:37,900 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909839246] [2021-11-23 14:06:37,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:06:37,901 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-23 14:06:37,901 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:06:37,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-23 14:06:37,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-23 14:06:37,901 INFO L87 Difference]: Start difference. First operand 275 states and 336 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 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) [2021-11-23 14:06:38,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 14:06:38,243 INFO L93 Difference]: Finished difference Result 896 states and 1098 transitions. [2021-11-23 14:06:38,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-23 14:06:38,244 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 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 46 [2021-11-23 14:06:38,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 14:06:38,250 INFO L225 Difference]: With dead ends: 896 [2021-11-23 14:06:38,250 INFO L226 Difference]: Without dead ends: 629 [2021-11-23 14:06:38,251 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2021-11-23 14:06:38,252 INFO L933 BasicCegarLoop]: 215 mSDtfsCounter, 635 mSDsluCounter, 827 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 635 SdHoareTripleChecker+Valid, 1042 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-23 14:06:38,253 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [635 Valid, 1042 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-23 14:06:38,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2021-11-23 14:06:38,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 270. [2021-11-23 14:06:38,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 269 states have (on average 1.211895910780669) internal successors, (326), 269 states have internal predecessors, (326), 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) [2021-11-23 14:06:38,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 326 transitions. [2021-11-23 14:06:38,290 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 326 transitions. Word has length 46 [2021-11-23 14:06:38,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 14:06:38,290 INFO L470 AbstractCegarLoop]: Abstraction has 270 states and 326 transitions. [2021-11-23 14:06:38,290 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 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) [2021-11-23 14:06:38,291 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 326 transitions. [2021-11-23 14:06:38,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 14:06:38,293 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 14:06:38,293 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:06:38,293 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-23 14:06:38,294 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:06:38,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:06:38,295 INFO L85 PathProgramCache]: Analyzing trace with hash -226334395, now seen corresponding path program 1 times [2021-11-23 14:06:38,295 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:06:38,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922751213] [2021-11-23 14:06:38,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:06:38,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:06:38,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:06:38,416 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 14:06:38,416 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:06:38,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922751213] [2021-11-23 14:06:38,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922751213] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:06:38,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [884792411] [2021-11-23 14:06:38,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:06:38,417 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:06:38,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3f99a2-5c9b-41a9-9ca6-0c8db6d926bc/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:38,419 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3f99a2-5c9b-41a9-9ca6-0c8db6d926bc/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:06:38,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3f99a2-5c9b-41a9-9ca6-0c8db6d926bc/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 14:06:38,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:06:38,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 14:06:38,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:06:38,767 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 14:06:38,768 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 14:06:38,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [884792411] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:06:38,768 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-23 14:06:38,768 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2021-11-23 14:06:38,769 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534483372] [2021-11-23 14:06:38,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:06:38,769 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 14:06:38,769 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:06:38,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 14:06:38,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-23 14:06:38,775 INFO L87 Difference]: Start difference. First operand 270 states and 326 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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) [2021-11-23 14:06:38,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 14:06:38,840 INFO L93 Difference]: Finished difference Result 418 states and 508 transitions. [2021-11-23 14:06:38,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 14:06:38,841 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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 73 [2021-11-23 14:06:38,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 14:06:38,844 INFO L225 Difference]: With dead ends: 418 [2021-11-23 14:06:38,844 INFO L226 Difference]: Without dead ends: 416 [2021-11-23 14:06:38,844 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-23 14:06:38,845 INFO L933 BasicCegarLoop]: 92 mSDtfsCounter, 55 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-23 14:06:38,846 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [55 Valid, 172 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-23 14:06:38,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2021-11-23 14:06:38,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 303. [2021-11-23 14:06:38,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 302 states have (on average 1.228476821192053) internal successors, (371), 302 states have internal predecessors, (371), 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) [2021-11-23 14:06:38,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 371 transitions. [2021-11-23 14:06:38,885 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 371 transitions. Word has length 73 [2021-11-23 14:06:38,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 14:06:38,886 INFO L470 AbstractCegarLoop]: Abstraction has 303 states and 371 transitions. [2021-11-23 14:06:38,886 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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) [2021-11-23 14:06:38,887 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 371 transitions. [2021-11-23 14:06:38,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-23 14:06:38,888 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 14:06:38,888 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:06:38,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3f99a2-5c9b-41a9-9ca6-0c8db6d926bc/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:39,116 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3f99a2-5c9b-41a9-9ca6-0c8db6d926bc/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-11-23 14:06:39,117 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 14:06:39,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:06:39,117 INFO L85 PathProgramCache]: Analyzing trace with hash -1378381279, now seen corresponding path program 1 times [2021-11-23 14:06:39,117 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:06:39,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340375311] [2021-11-23 14:06:39,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:06:39,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:06:39,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:06:39,211 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 44 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 14:06:39,211 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 14:06:39,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340375311] [2021-11-23 14:06:39,211 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340375311] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 14:06:39,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1271190012] [2021-11-23 14:06:39,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:06:39,212 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 14:06:39,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3f99a2-5c9b-41a9-9ca6-0c8db6d926bc/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:39,213 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3f99a2-5c9b-41a9-9ca6-0c8db6d926bc/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 14:06:39,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3f99a2-5c9b-41a9-9ca6-0c8db6d926bc/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 14:06:39,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 14:06:39,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 14:06:39,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 14:06:39,630 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 14:06:39,630 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 14:06:39,630 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1271190012] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 14:06:39,630 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-23 14:06:39,630 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2021-11-23 14:06:39,631 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080108395] [2021-11-23 14:06:39,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 14:06:39,632 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 14:06:39,632 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 14:06:39,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 14:06:39,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-11-23 14:06:39,633 INFO L87 Difference]: Start difference. First operand 303 states and 371 transitions. Second operand has 6 states, 6 states have (on average 15.0) internal successors, (90), 6 states have internal predecessors, (90), 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) [2021-11-23 14:06:39,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 14:06:39,809 INFO L93 Difference]: Finished difference Result 702 states and 857 transitions. [2021-11-23 14:06:39,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-23 14:06:39,810 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.0) internal successors, (90), 6 states have internal predecessors, (90), 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 103 [2021-11-23 14:06:39,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 14:06:39,810 INFO L225 Difference]: With dead ends: 702 [2021-11-23 14:06:39,811 INFO L226 Difference]: Without dead ends: 0 [2021-11-23 14:06:39,812 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2021-11-23 14:06:39,812 INFO L933 BasicCegarLoop]: 222 mSDtfsCounter, 268 mSDsluCounter, 640 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 862 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 14:06:39,813 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [268 Valid, 862 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 14:06:39,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-23 14:06:39,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-23 14:06:39,814 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) [2021-11-23 14:06:39,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-23 14:06:39,814 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 103 [2021-11-23 14:06:39,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 14:06:39,814 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 14:06:39,815 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.0) internal successors, (90), 6 states have internal predecessors, (90), 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) [2021-11-23 14:06:39,815 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-23 14:06:39,815 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 14:06:39,818 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2021-11-23 14:06:39,818 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2021-11-23 14:06:39,819 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2021-11-23 14:06:39,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3f99a2-5c9b-41a9-9ca6-0c8db6d926bc/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:40,032 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3f99a2-5c9b-41a9-9ca6-0c8db6d926bc/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-11-23 14:06:40,034 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-23 14:06:51,253 INFO L858 garLoopResultBuilder]: For program point L960(lines 960 964) no Hoare annotation was computed. [2021-11-23 14:06:51,253 INFO L858 garLoopResultBuilder]: For program point L960-2(lines 952 965) no Hoare annotation was computed. [2021-11-23 14:06:51,254 INFO L858 garLoopResultBuilder]: For program point L894(lines 894 904) no Hoare annotation was computed. [2021-11-23 14:06:51,254 INFO L858 garLoopResultBuilder]: For program point L894-2(lines 894 904) no Hoare annotation was computed. [2021-11-23 14:06:51,254 INFO L858 garLoopResultBuilder]: For program point L762(lines 762 768) no Hoare annotation was computed. [2021-11-23 14:06:51,254 INFO L858 garLoopResultBuilder]: For program point L894-4(lines 894 904) no Hoare annotation was computed. [2021-11-23 14:06:51,254 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 868) no Hoare annotation was computed. [2021-11-23 14:06:51,254 INFO L854 garLoopResultBuilder]: At program point L762-2(lines 755 771) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res#1| 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 14:06:51,254 INFO L858 garLoopResultBuilder]: For program point L762-3(lines 762 768) no Hoare annotation was computed. [2021-11-23 14:06:51,255 INFO L854 garLoopResultBuilder]: At program point L762-5(lines 755 771) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res#1| 0) .cse0 .cse1) (and (= ~pumpRunning~0 0) (<= 1 ~methaneLevelCritical~0) (<= 1 |ULTIMATE.start_isMethaneAlarm_#res#1|) (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res#1|) .cse0 .cse1 (<= 1 |ULTIMATE.start_activatePump_~tmp~6#1|)))) [2021-11-23 14:06:51,255 INFO L858 garLoopResultBuilder]: For program point L762-6(lines 762 768) no Hoare annotation was computed. [2021-11-23 14:06:51,255 INFO L854 garLoopResultBuilder]: At program point L762-8(lines 755 771) the Hoare annotation is: false [2021-11-23 14:06:51,255 INFO L858 garLoopResultBuilder]: For program point L762-9(lines 762 768) no Hoare annotation was computed. [2021-11-23 14:06:51,255 INFO L854 garLoopResultBuilder]: At program point L762-11(lines 755 771) the Hoare annotation is: false [2021-11-23 14:06:51,255 INFO L858 garLoopResultBuilder]: For program point L762-12(lines 762 768) no Hoare annotation was computed. [2021-11-23 14:06:51,255 INFO L854 garLoopResultBuilder]: At program point L762-14(lines 755 771) the Hoare annotation is: false [2021-11-23 14:06:51,255 INFO L858 garLoopResultBuilder]: For program point L762-15(lines 762 768) no Hoare annotation was computed. [2021-11-23 14:06:51,255 INFO L854 garLoopResultBuilder]: At program point L762-17(lines 755 771) the Hoare annotation is: false [2021-11-23 14:06:51,256 INFO L858 garLoopResultBuilder]: For program point L895(lines 895 901) no Hoare annotation was computed. [2021-11-23 14:06:51,256 INFO L854 garLoopResultBuilder]: At program point L796(lines 791 799) the Hoare annotation is: (and (= ~pumpRunning~0 0) (<= 1 ~methaneLevelCritical~0) (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res#1|) (= 1 ~systemActive~0) (= |ULTIMATE.start_isPumpRunning_#res#1| 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 14:06:51,256 INFO L858 garLoopResultBuilder]: For program point L895-3(lines 895 901) no Hoare annotation was computed. [2021-11-23 14:06:51,256 INFO L854 garLoopResultBuilder]: At program point L796-1(lines 791 799) the Hoare annotation is: false [2021-11-23 14:06:51,256 INFO L858 garLoopResultBuilder]: For program point L730(lines 730 738) no Hoare annotation was computed. [2021-11-23 14:06:51,256 INFO L854 garLoopResultBuilder]: At program point L796-2(lines 791 799) the Hoare annotation is: false [2021-11-23 14:06:51,256 INFO L858 garLoopResultBuilder]: For program point L895-6(lines 895 901) no Hoare annotation was computed. [2021-11-23 14:06:51,256 INFO L858 garLoopResultBuilder]: For program point L730-3(lines 730 738) no Hoare annotation was computed. [2021-11-23 14:06:51,256 INFO L858 garLoopResultBuilder]: For program point L730-6(lines 730 738) no Hoare annotation was computed. [2021-11-23 14:06:51,256 INFO L858 garLoopResultBuilder]: For program point L467(lines 467 471) no Hoare annotation was computed. [2021-11-23 14:06:51,257 INFO L854 garLoopResultBuilder]: At program point L467-2(lines 463 474) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~methAndRunningLastTime~0 0) (<= 1 ~methaneLevelCritical~0) .cse0 .cse1) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1))) [2021-11-23 14:06:51,257 INFO L858 garLoopResultBuilder]: For program point L467-3(lines 467 471) no Hoare annotation was computed. [2021-11-23 14:06:51,257 INFO L854 garLoopResultBuilder]: At program point L467-5(lines 463 474) the Hoare annotation is: false [2021-11-23 14:06:51,257 INFO L858 garLoopResultBuilder]: For program point L467-6(lines 467 471) no Hoare annotation was computed. [2021-11-23 14:06:51,257 INFO L854 garLoopResultBuilder]: At program point L467-8(lines 463 474) the Hoare annotation is: false [2021-11-23 14:06:51,257 INFO L854 garLoopResultBuilder]: At program point L567-2(lines 567 581) the Hoare annotation is: false [2021-11-23 14:06:51,257 INFO L858 garLoopResultBuilder]: For program point L700(lines 700 717) no Hoare annotation was computed. [2021-11-23 14:06:51,257 INFO L854 garLoopResultBuilder]: At program point L700-1(lines 696 720) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res#1| 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 14:06:51,257 INFO L858 garLoopResultBuilder]: For program point L700-2(lines 700 717) no Hoare annotation was computed. [2021-11-23 14:06:51,258 INFO L854 garLoopResultBuilder]: At program point L700-3(lines 696 720) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res#1| 0) .cse1 .cse2) (and .cse3 (<= 1 ~methaneLevelCritical~0) .cse1 .cse2) (and .cse3 .cse0 .cse1 .cse2))) [2021-11-23 14:06:51,258 INFO L858 garLoopResultBuilder]: For program point L700-4(lines 700 717) no Hoare annotation was computed. [2021-11-23 14:06:51,258 INFO L858 garLoopResultBuilder]: For program point L568(line 568) no Hoare annotation was computed. [2021-11-23 14:06:51,258 INFO L854 garLoopResultBuilder]: At program point L700-5(lines 696 720) the Hoare annotation is: false [2021-11-23 14:06:51,258 INFO L858 garLoopResultBuilder]: For program point L700-6(lines 700 717) no Hoare annotation was computed. [2021-11-23 14:06:51,258 INFO L854 garLoopResultBuilder]: At program point L700-7(lines 696 720) the Hoare annotation is: false [2021-11-23 14:06:51,258 INFO L858 garLoopResultBuilder]: For program point L700-8(lines 700 717) no Hoare annotation was computed. [2021-11-23 14:06:51,258 INFO L854 garLoopResultBuilder]: At program point L700-9(lines 696 720) the Hoare annotation is: false [2021-11-23 14:06:51,258 INFO L858 garLoopResultBuilder]: For program point L700-10(lines 700 717) no Hoare annotation was computed. [2021-11-23 14:06:51,258 INFO L854 garLoopResultBuilder]: At program point L700-11(lines 696 720) the Hoare annotation is: false [2021-11-23 14:06:51,259 INFO L858 garLoopResultBuilder]: For program point L932(lines 932 938) no Hoare annotation was computed. [2021-11-23 14:06:51,259 INFO L858 garLoopResultBuilder]: For program point L932-2(lines 932 938) no Hoare annotation was computed. [2021-11-23 14:06:51,259 INFO L858 garLoopResultBuilder]: For program point L668(lines 668 674) no Hoare annotation was computed. [2021-11-23 14:06:51,259 INFO L858 garLoopResultBuilder]: For program point L668-2(lines 667 686) no Hoare annotation was computed. [2021-11-23 14:06:51,259 INFO L858 garLoopResultBuilder]: For program point L668-3(lines 668 674) no Hoare annotation was computed. [2021-11-23 14:06:51,259 INFO L858 garLoopResultBuilder]: For program point L668-5(lines 667 686) no Hoare annotation was computed. [2021-11-23 14:06:51,259 INFO L858 garLoopResultBuilder]: For program point L668-6(lines 668 674) no Hoare annotation was computed. [2021-11-23 14:06:51,259 INFO L858 garLoopResultBuilder]: For program point L668-8(lines 667 686) no Hoare annotation was computed. [2021-11-23 14:06:51,259 INFO L854 garLoopResultBuilder]: At program point L504(lines 499 507) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res#1| 0) .cse0 .cse1) (and (= ~methAndRunningLastTime~0 0) (<= 1 ~methaneLevelCritical~0) (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res#1|) .cse0 .cse1))) [2021-11-23 14:06:51,260 INFO L854 garLoopResultBuilder]: At program point L504-1(lines 499 507) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res#1| 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 14:06:51,260 INFO L854 garLoopResultBuilder]: At program point L504-2(lines 499 507) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (<= 1 ~methaneLevelCritical~0) (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res#1|) .cse1 .cse2) (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res#1| 0) .cse1 .cse2))) [2021-11-23 14:06:51,260 INFO L854 garLoopResultBuilder]: At program point L504-3(lines 499 507) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~pumpRunning~0 0) (<= 1 ~methaneLevelCritical~0) (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res#1|) .cse0 .cse1) (and (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res#1| 0) .cse0 .cse1))) [2021-11-23 14:06:51,260 INFO L854 garLoopResultBuilder]: At program point L504-4(lines 499 507) the Hoare annotation is: false [2021-11-23 14:06:51,260 INFO L854 garLoopResultBuilder]: At program point L504-5(lines 499 507) the Hoare annotation is: false [2021-11-23 14:06:51,260 INFO L854 garLoopResultBuilder]: At program point L504-6(lines 499 507) the Hoare annotation is: false [2021-11-23 14:06:51,260 INFO L854 garLoopResultBuilder]: At program point L504-7(lines 499 507) the Hoare annotation is: false [2021-11-23 14:06:51,260 INFO L854 garLoopResultBuilder]: At program point L504-8(lines 499 507) the Hoare annotation is: false [2021-11-23 14:06:51,260 INFO L854 garLoopResultBuilder]: At program point L504-9(lines 499 507) the Hoare annotation is: false [2021-11-23 14:06:51,261 INFO L854 garLoopResultBuilder]: At program point L504-10(lines 499 507) the Hoare annotation is: false [2021-11-23 14:06:51,261 INFO L854 garLoopResultBuilder]: At program point L504-11(lines 499 507) the Hoare annotation is: false [2021-11-23 14:06:51,261 INFO L854 garLoopResultBuilder]: At program point L75(lines 71 77) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-11-23 14:06:51,261 INFO L858 garLoopResultBuilder]: For program point L868(line 868) no Hoare annotation was computed. [2021-11-23 14:06:51,261 INFO L858 garLoopResultBuilder]: For program point L868-1(line 868) no Hoare annotation was computed. [2021-11-23 14:06:51,261 INFO L858 garLoopResultBuilder]: For program point L868-2(line 868) no Hoare annotation was computed. [2021-11-23 14:06:51,261 INFO L858 garLoopResultBuilder]: For program point L571(lines 571 575) no Hoare annotation was computed. [2021-11-23 14:06:51,261 INFO L858 garLoopResultBuilder]: For program point L571-1(lines 571 575) no Hoare annotation was computed. [2021-11-23 14:06:51,261 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 868) no Hoare annotation was computed. [2021-11-23 14:06:51,262 INFO L854 garLoopResultBuilder]: At program point L869(lines 864 871) the Hoare annotation is: false [2021-11-23 14:06:51,262 INFO L854 garLoopResultBuilder]: At program point L869-1(lines 864 871) the Hoare annotation is: false [2021-11-23 14:06:51,262 INFO L854 garLoopResultBuilder]: At program point L869-2(lines 864 871) the Hoare annotation is: false [2021-11-23 14:06:51,262 INFO L858 garLoopResultBuilder]: For program point L704(lines 704 712) no Hoare annotation was computed. [2021-11-23 14:06:51,262 INFO L858 garLoopResultBuilder]: For program point L704-3(lines 704 712) no Hoare annotation was computed. [2021-11-23 14:06:51,262 INFO L858 garLoopResultBuilder]: For program point L704-6(lines 704 712) no Hoare annotation was computed. [2021-11-23 14:06:51,262 INFO L858 garLoopResultBuilder]: For program point L704-9(lines 704 712) no Hoare annotation was computed. [2021-11-23 14:06:51,262 INFO L858 garLoopResultBuilder]: For program point L704-12(lines 704 712) no Hoare annotation was computed. [2021-11-23 14:06:51,262 INFO L858 garLoopResultBuilder]: For program point L704-15(lines 704 712) no Hoare annotation was computed. [2021-11-23 14:06:51,262 INFO L854 garLoopResultBuilder]: At program point L970(lines 921 971) the Hoare annotation is: false [2021-11-23 14:06:51,263 INFO L858 garLoopResultBuilder]: For program point L642(lines 642 649) no Hoare annotation was computed. [2021-11-23 14:06:51,263 INFO L858 garLoopResultBuilder]: For program point L675-1(lines 675 681) no Hoare annotation was computed. [2021-11-23 14:06:51,263 INFO L858 garLoopResultBuilder]: For program point L675-3(lines 675 681) no Hoare annotation was computed. [2021-11-23 14:06:51,263 INFO L858 garLoopResultBuilder]: For program point L642-2(lines 642 649) no Hoare annotation was computed. [2021-11-23 14:06:51,263 INFO L858 garLoopResultBuilder]: For program point L675-5(lines 675 681) no Hoare annotation was computed. [2021-11-23 14:06:51,263 INFO L858 garLoopResultBuilder]: For program point L544(lines 544 550) no Hoare annotation was computed. [2021-11-23 14:06:51,263 INFO L858 garLoopResultBuilder]: For program point L544-1(lines 544 550) no Hoare annotation was computed. [2021-11-23 14:06:51,263 INFO L858 garLoopResultBuilder]: For program point L544-2(lines 544 550) no Hoare annotation was computed. [2021-11-23 14:06:51,263 INFO L858 garLoopResultBuilder]: For program point L544-3(lines 544 550) no Hoare annotation was computed. [2021-11-23 14:06:51,264 INFO L858 garLoopResultBuilder]: For program point L544-4(lines 544 550) no Hoare annotation was computed. [2021-11-23 14:06:51,264 INFO L858 garLoopResultBuilder]: For program point L544-5(lines 544 550) no Hoare annotation was computed. [2021-11-23 14:06:51,264 INFO L858 garLoopResultBuilder]: For program point L479(lines 479 483) no Hoare annotation was computed. [2021-11-23 14:06:51,264 INFO L854 garLoopResultBuilder]: At program point L479-2(lines 475 486) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse4 (= ~pumpRunning~0 0)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (= |ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~8#1| 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res#1| 0) .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 (<= 1 ~methaneLevelCritical~0) (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res#1|) .cse2 .cse3))) [2021-11-23 14:06:51,266 INFO L854 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-11-23 14:06:51,266 INFO L861 garLoopResultBuilder]: At program point L975(lines 912 977) the Hoare annotation is: true [2021-11-23 14:06:51,266 INFO L858 garLoopResultBuilder]: For program point L942(lines 942 948) no Hoare annotation was computed. [2021-11-23 14:06:51,266 INFO L858 garLoopResultBuilder]: For program point L942-2(lines 942 948) no Hoare annotation was computed. [2021-11-23 14:06:51,267 INFO L854 garLoopResultBuilder]: At program point L777(lines 772 779) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (<= 1 |ULTIMATE.start_processEnvironment_~tmp~5#1|) (<= 1 ~methaneLevelCritical~0) (<= 1 |ULTIMATE.start_isMethaneAlarm_#res#1|) (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res#1|) .cse1 .cse2) (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res#1| 0) .cse1 .cse2))) [2021-11-23 14:06:51,267 INFO L854 garLoopResultBuilder]: At program point L777-1(lines 772 779) the Hoare annotation is: false [2021-11-23 14:06:51,267 INFO L854 garLoopResultBuilder]: At program point L777-2(lines 772 779) the Hoare annotation is: false [2021-11-23 14:06:51,267 INFO L858 garLoopResultBuilder]: For program point L845(lines 845 849) no Hoare annotation was computed. [2021-11-23 14:06:51,267 INFO L858 garLoopResultBuilder]: For program point L845-2(lines 845 849) no Hoare annotation was computed. [2021-11-23 14:06:51,267 INFO L858 garLoopResultBuilder]: For program point L845-3(lines 845 849) no Hoare annotation was computed. [2021-11-23 14:06:51,268 INFO L858 garLoopResultBuilder]: For program point L845-5(lines 845 849) no Hoare annotation was computed. [2021-11-23 14:06:51,268 INFO L858 garLoopResultBuilder]: For program point L845-6(lines 845 849) no Hoare annotation was computed. [2021-11-23 14:06:51,268 INFO L858 garLoopResultBuilder]: For program point L845-8(lines 845 849) no Hoare annotation was computed. [2021-11-23 14:06:51,268 INFO L858 garLoopResultBuilder]: For program point L845-9(lines 845 849) no Hoare annotation was computed. [2021-11-23 14:06:51,268 INFO L858 garLoopResultBuilder]: For program point L845-11(lines 845 849) no Hoare annotation was computed. [2021-11-23 14:06:51,268 INFO L858 garLoopResultBuilder]: For program point L845-12(lines 845 849) no Hoare annotation was computed. [2021-11-23 14:06:51,269 INFO L858 garLoopResultBuilder]: For program point L845-14(lines 845 849) no Hoare annotation was computed. [2021-11-23 14:06:51,269 INFO L858 garLoopResultBuilder]: For program point L845-15(lines 845 849) no Hoare annotation was computed. [2021-11-23 14:06:51,269 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-23 14:06:51,269 INFO L858 garLoopResultBuilder]: For program point L845-17(lines 845 849) no Hoare annotation was computed. [2021-11-23 14:06:51,269 INFO L854 garLoopResultBuilder]: At program point L879(lines 874 881) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-11-23 14:06:51,269 INFO L861 garLoopResultBuilder]: At program point L582(lines 557 586) the Hoare annotation is: true [2021-11-23 14:06:51,270 INFO L854 garLoopResultBuilder]: At program point L549(lines 540 553) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res#1| 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 14:06:51,270 INFO L854 garLoopResultBuilder]: At program point L549-1(lines 540 553) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1 .cse2) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2))) [2021-11-23 14:06:51,270 INFO L854 garLoopResultBuilder]: At program point L549-2(lines 540 553) the Hoare annotation is: false [2021-11-23 14:06:51,270 INFO L854 garLoopResultBuilder]: At program point L549-3(lines 540 553) the Hoare annotation is: false [2021-11-23 14:06:51,270 INFO L854 garLoopResultBuilder]: At program point L549-4(lines 540 553) the Hoare annotation is: false [2021-11-23 14:06:51,270 INFO L854 garLoopResultBuilder]: At program point L549-5(lines 540 553) the Hoare annotation is: false [2021-11-23 14:06:51,271 INFO L854 garLoopResultBuilder]: At program point L616(lines 612 618) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-11-23 14:06:51,271 INFO L861 garLoopResultBuilder]: At program point L651(lines 632 654) the Hoare annotation is: true [2021-11-23 14:06:51,271 INFO L854 garLoopResultBuilder]: At program point L685(lines 664 687) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~8#1| 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res#1| 0) .cse1 .cse2) (and (= ~pumpRunning~0 0) .cse0 (<= 1 ~methaneLevelCritical~0) (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res#1|) .cse1 .cse2))) [2021-11-23 14:06:51,271 INFO L854 garLoopResultBuilder]: At program point L685-1(lines 664 687) the Hoare annotation is: false [2021-11-23 14:06:51,271 INFO L854 garLoopResultBuilder]: At program point L685-2(lines 664 687) the Hoare annotation is: false [2021-11-23 14:06:51,271 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-23 14:06:51,272 INFO L854 garLoopResultBuilder]: At program point L851(lines 836 854) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res#1| 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 14:06:51,272 INFO L854 garLoopResultBuilder]: At program point L851-1(lines 836 854) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1 .cse2) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2))) [2021-11-23 14:06:51,272 INFO L854 garLoopResultBuilder]: At program point L851-2(lines 836 854) the Hoare annotation is: false [2021-11-23 14:06:51,272 INFO L854 garLoopResultBuilder]: At program point L752(lines 747 754) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res#1| 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 14:06:51,272 INFO L854 garLoopResultBuilder]: At program point L851-3(lines 836 854) the Hoare annotation is: false [2021-11-23 14:06:51,272 INFO L854 garLoopResultBuilder]: At program point L752-1(lines 747 754) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res#1| 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 14:06:51,273 INFO L854 garLoopResultBuilder]: At program point L851-4(lines 836 854) the Hoare annotation is: false [2021-11-23 14:06:51,273 INFO L854 garLoopResultBuilder]: At program point L752-2(lines 747 754) the Hoare annotation is: false [2021-11-23 14:06:51,273 INFO L854 garLoopResultBuilder]: At program point L851-5(lines 836 854) the Hoare annotation is: false [2021-11-23 14:06:51,273 INFO L854 garLoopResultBuilder]: At program point L752-3(lines 747 754) the Hoare annotation is: false [2021-11-23 14:06:51,273 INFO L854 garLoopResultBuilder]: At program point L752-4(lines 747 754) the Hoare annotation is: false [2021-11-23 14:06:51,273 INFO L854 garLoopResultBuilder]: At program point L752-5(lines 747 754) the Hoare annotation is: false [2021-11-23 14:06:51,274 INFO L858 garLoopResultBuilder]: For program point L952(lines 952 965) no Hoare annotation was computed. [2021-11-23 14:06:51,274 INFO L854 garLoopResultBuilder]: At program point L787(lines 780 790) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~methAndRunningLastTime~0 0) (<= 1 ~methaneLevelCritical~0) (<= 1 |ULTIMATE.start_isMethaneAlarm_#res#1|) (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res#1|) .cse0 .cse1) (and (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res#1| 0) .cse0 .cse1))) [2021-11-23 14:06:51,274 INFO L854 garLoopResultBuilder]: At program point L787-1(lines 780 790) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res#1| 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 14:06:51,274 INFO L854 garLoopResultBuilder]: At program point L787-2(lines 780 790) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res#1| 0) .cse1 .cse2) (and .cse0 (<= 1 ~methaneLevelCritical~0) (<= 1 |ULTIMATE.start_isMethaneAlarm_#res#1|) (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res#1|) .cse1 .cse2))) [2021-11-23 14:06:51,274 INFO L854 garLoopResultBuilder]: At program point L787-3(lines 780 790) the Hoare annotation is: false [2021-11-23 14:06:51,274 INFO L854 garLoopResultBuilder]: At program point L787-4(lines 780 790) the Hoare annotation is: false [2021-11-23 14:06:51,275 INFO L854 garLoopResultBuilder]: At program point L787-5(lines 780 790) the Hoare annotation is: false [2021-11-23 14:06:51,275 INFO L854 garLoopResultBuilder]: At program point L787-6(lines 780 790) the Hoare annotation is: false [2021-11-23 14:06:51,275 INFO L854 garLoopResultBuilder]: At program point L787-7(lines 780 790) the Hoare annotation is: false [2021-11-23 14:06:51,275 INFO L854 garLoopResultBuilder]: At program point L787-8(lines 780 790) the Hoare annotation is: false [2021-11-23 14:06:51,275 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-23 14:06:51,275 INFO L858 garLoopResultBuilder]: For program point L491(lines 491 495) no Hoare annotation was computed. [2021-11-23 14:06:51,276 INFO L854 garLoopResultBuilder]: At program point L491-2(lines 487 498) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~pumpRunning~0 0) .cse0 (= ~methaneLevelCritical~0 0) (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res#1|) .cse1 .cse2) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1 .cse2))) [2021-11-23 14:06:51,276 INFO L854 garLoopResultBuilder]: At program point L922-2(lines 922 969) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse4 (= ~pumpRunning~0 0)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (= |ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~8#1| 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res#1| 0) .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 (<= 1 ~methaneLevelCritical~0) (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res#1|) .cse2 .cse3))) [2021-11-23 14:06:51,276 INFO L858 garLoopResultBuilder]: For program point L923(lines 922 969) no Hoare annotation was computed. [2021-11-23 14:06:51,276 INFO L858 garLoopResultBuilder]: For program point L890(lines 890 907) no Hoare annotation was computed. [2021-11-23 14:06:51,276 INFO L854 garLoopResultBuilder]: At program point L890-1(lines 882 910) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start___utac_acc__Specification2_spec__2_~tmp~8#1| 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res#1| 0) .cse1 .cse2) (and (= ~pumpRunning~0 0) .cse0 (<= 1 ~methaneLevelCritical~0) (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res#1|) .cse1 .cse2))) [2021-11-23 14:06:51,276 INFO L858 garLoopResultBuilder]: For program point L890-2(lines 890 907) no Hoare annotation was computed. [2021-11-23 14:06:51,277 INFO L854 garLoopResultBuilder]: At program point L890-3(lines 882 910) the Hoare annotation is: false [2021-11-23 14:06:51,277 INFO L858 garLoopResultBuilder]: For program point L890-4(lines 890 907) no Hoare annotation was computed. [2021-11-23 14:06:51,277 INFO L854 garLoopResultBuilder]: At program point L890-5(lines 882 910) the Hoare annotation is: false [2021-11-23 14:06:51,277 INFO L854 garLoopResultBuilder]: At program point L692(lines 688 694) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res#1| 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~4#1| 0)) [2021-11-23 14:06:51,277 INFO L854 garLoopResultBuilder]: At program point L692-1(lines 688 694) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res#1| 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-23 14:06:51,277 INFO L854 garLoopResultBuilder]: At program point L692-2(lines 688 694) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (= |ULTIMATE.start_processEnvironment__wrappee__methaneQuery_~tmp~4#1| 0))) (or (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1 .cse2 .cse3) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3))) [2021-11-23 14:06:51,278 INFO L854 garLoopResultBuilder]: At program point L692-3(lines 688 694) the Hoare annotation is: false [2021-11-23 14:06:51,278 INFO L854 garLoopResultBuilder]: At program point L692-4(lines 688 694) the Hoare annotation is: false [2021-11-23 14:06:51,278 INFO L854 garLoopResultBuilder]: At program point L692-5(lines 688 694) the Hoare annotation is: false [2021-11-23 14:06:51,278 INFO L854 garLoopResultBuilder]: At program point L692-6(lines 688 694) the Hoare annotation is: false [2021-11-23 14:06:51,278 INFO L854 garLoopResultBuilder]: At program point L692-7(lines 688 694) the Hoare annotation is: false [2021-11-23 14:06:51,278 INFO L854 garLoopResultBuilder]: At program point L692-8(lines 688 694) the Hoare annotation is: false [2021-11-23 14:06:51,279 INFO L854 garLoopResultBuilder]: At program point L692-9(lines 688 694) the Hoare annotation is: false [2021-11-23 14:06:51,279 INFO L854 garLoopResultBuilder]: At program point L692-10(lines 688 694) the Hoare annotation is: false [2021-11-23 14:06:51,279 INFO L854 garLoopResultBuilder]: At program point L692-11(lines 688 694) the Hoare annotation is: false [2021-11-23 14:06:51,279 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-23 14:06:51,279 INFO L858 garLoopResultBuilder]: For program point L924(lines 924 928) no Hoare annotation was computed. [2021-11-23 14:06:51,279 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 868) no Hoare annotation was computed. [2021-11-23 14:06:51,280 INFO L858 garLoopResultBuilder]: For program point L726(lines 726 743) no Hoare annotation was computed. [2021-11-23 14:06:51,280 INFO L854 garLoopResultBuilder]: At program point L726-1(lines 722 746) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res#1| 0) .cse1 .cse2) (and .cse3 (<= 1 ~methaneLevelCritical~0) .cse1 .cse2) (and .cse3 .cse0 .cse1 .cse2))) [2021-11-23 14:06:51,280 INFO L858 garLoopResultBuilder]: For program point L726-2(lines 726 743) no Hoare annotation was computed. [2021-11-23 14:06:51,280 INFO L854 garLoopResultBuilder]: At program point L726-3(lines 722 746) the Hoare annotation is: false [2021-11-23 14:06:51,280 INFO L858 garLoopResultBuilder]: For program point L726-4(lines 726 743) no Hoare annotation was computed. [2021-11-23 14:06:51,280 INFO L854 garLoopResultBuilder]: At program point L726-5(lines 722 746) the Hoare annotation is: false [2021-11-23 14:06:51,281 INFO L854 garLoopResultBuilder]: At program point L860(lines 855 862) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~methAndRunningLastTime~0 0) (<= 1 ~methaneLevelCritical~0) .cse0 .cse1) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1))) [2021-11-23 14:06:51,281 INFO L861 garLoopResultBuilder]: At program point L629(lines 621 631) the Hoare annotation is: true [2021-11-23 14:06:51,281 INFO L854 garLoopResultBuilder]: At program point L68(lines 64 70) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-11-23 14:06:51,284 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 14:06:51,288 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 14:06:51,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:06:51 BoogieIcfgContainer [2021-11-23 14:06:51,341 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 14:06:51,341 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 14:06:51,342 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 14:06:51,342 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 14:06:51,342 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:06:35" (3/4) ... [2021-11-23 14:06:51,345 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 14:06:51,385 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 80 nodes and edges [2021-11-23 14:06:51,387 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-11-23 14:06:51,389 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-23 14:06:51,390 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 14:06:51,391 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 14:06:51,393 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 14:06:51,394 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 14:06:51,420 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((methAndRunningLastTime == 0 && methaneLevelCritical == 0) && tmp == 0) && \result == 0) && 1 == systemActive) && splverifierCounter == 0) || ((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0)) || (((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) [2021-11-23 14:06:51,421 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((methAndRunningLastTime == 0 && methaneLevelCritical == 0) && tmp == 0) && \result == 0) && 1 == systemActive) && splverifierCounter == 0) || ((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0)) || (((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) [2021-11-23 14:06:51,423 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) || (((methAndRunningLastTime == 0 && 1 <= methaneLevelCritical) && 1 == systemActive) && splverifierCounter == 0) [2021-11-23 14:06:51,426 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((methaneLevelCritical == 0 && \result == 0) && 1 == systemActive) && splverifierCounter == 0) || (((pumpRunning == 0 && 1 <= methaneLevelCritical) && 1 == systemActive) && splverifierCounter == 0)) || (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0) [2021-11-23 14:06:51,426 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && 1 <= methaneLevelCritical) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) || (((methaneLevelCritical == 0 && \result == 0) && 1 == systemActive) && splverifierCounter == 0) [2021-11-23 14:06:51,426 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((methaneLevelCritical == 0 && \result == 0) && 1 == systemActive) && splverifierCounter == 0) || (((pumpRunning == 0 && 1 <= methaneLevelCritical) && 1 == systemActive) && splverifierCounter == 0)) || (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0) [2021-11-23 14:06:51,427 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((methaneLevelCritical == 0 && \result == 0) && 1 == systemActive) && splverifierCounter == 0) || ((((methAndRunningLastTime == 0 && 1 <= methaneLevelCritical) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) [2021-11-23 14:06:51,430 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((methAndRunningLastTime == 0 && methaneLevelCritical == 0) && tmp == 0) && \result == 0) && 1 == systemActive) && splverifierCounter == 0) || (((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) [2021-11-23 14:06:51,432 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((methAndRunningLastTime == 0 && methaneLevelCritical == 0) && tmp == 0) && \result == 0) && 1 == systemActive) && splverifierCounter == 0) || (((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) [2021-11-23 14:06:51,432 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((methAndRunningLastTime == 0 && 1 <= methaneLevelCritical) && 1 <= \result) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) || (((methaneLevelCritical == 0 && \result == 0) && 1 == systemActive) && splverifierCounter == 0) [2021-11-23 14:06:51,433 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && 1 <= methaneLevelCritical) && 1 <= \result) && 1 == systemActive) && \result == 0) && splverifierCounter == 0 [2021-11-23 14:06:51,436 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 0 && 1 <= tmp) && 1 <= methaneLevelCritical) && 1 <= \result) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) || ((((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 0) && 1 == systemActive) && splverifierCounter == 0) [2021-11-23 14:06:51,439 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((methaneLevelCritical == 0 && \result == 0) && 1 == systemActive) && splverifierCounter == 0 [2021-11-23 14:06:51,440 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((methaneLevelCritical == 0 && \result == 0) && 1 == systemActive) && splverifierCounter == 0 [2021-11-23 14:06:51,440 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 0) && 1 == systemActive) && splverifierCounter == 0 [2021-11-23 14:06:51,441 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && 1 <= methaneLevelCritical) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) || ((((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 0) && 1 == systemActive) && splverifierCounter == 0) [2021-11-23 14:06:51,441 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 0) && 1 == systemActive) && splverifierCounter == 0 [2021-11-23 14:06:51,441 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 0) && 1 == systemActive) && splverifierCounter == 0) || (((((pumpRunning == 0 && 1 <= methaneLevelCritical) && 1 <= \result) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) [2021-11-23 14:06:51,441 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 0) && 1 == systemActive) && splverifierCounter == 0) && tmp == 0 [2021-11-23 14:06:51,441 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((methaneLevelCritical == 0 && \result == 0) && 1 == systemActive) && splverifierCounter == 0) || ((((((pumpRunning == 0 && 1 <= methaneLevelCritical) && 1 <= \result) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && 1 <= tmp) [2021-11-23 14:06:51,442 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((methaneLevelCritical == 0 && \result == 0) && 1 == systemActive) && splverifierCounter == 0 [2021-11-23 14:06:51,442 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 0) && 1 == systemActive) && splverifierCounter == 0 [2021-11-23 14:06:51,442 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 0) && 1 == systemActive) && splverifierCounter == 0 [2021-11-23 14:06:51,442 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((methaneLevelCritical == 0 && \result == 0) && 1 == systemActive) && splverifierCounter == 0 [2021-11-23 14:06:51,442 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((methaneLevelCritical == 0 && \result == 0) && 1 == systemActive) && splverifierCounter == 0 [2021-11-23 14:06:51,529 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3f99a2-5c9b-41a9-9ca6-0c8db6d926bc/bin/uautomizer-wIGwrQj20G/witness.graphml [2021-11-23 14:06:51,530 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 14:06:51,530 INFO L158 Benchmark]: Toolchain (without parser) took 17394.19ms. Allocated memory was 111.1MB in the beginning and 285.2MB in the end (delta: 174.1MB). Free memory was 82.2MB in the beginning and 150.3MB in the end (delta: -68.1MB). Peak memory consumption was 105.3MB. Max. memory is 16.1GB. [2021-11-23 14:06:51,531 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 111.1MB. Free memory is still 66.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 14:06:51,531 INFO L158 Benchmark]: CACSL2BoogieTranslator took 549.82ms. Allocated memory is still 111.1MB. Free memory was 82.0MB in the beginning and 77.0MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 14:06:51,531 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.82ms. Allocated memory is still 111.1MB. Free memory was 76.8MB in the beginning and 72.9MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 14:06:51,532 INFO L158 Benchmark]: Boogie Preprocessor took 62.93ms. Allocated memory is still 111.1MB. Free memory was 72.9MB in the beginning and 70.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 14:06:51,533 INFO L158 Benchmark]: RCFGBuilder took 693.29ms. Allocated memory was 111.1MB in the beginning and 151.0MB in the end (delta: 39.8MB). Free memory was 70.4MB in the beginning and 115.8MB in the end (delta: -45.4MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2021-11-23 14:06:51,533 INFO L158 Benchmark]: TraceAbstraction took 15789.08ms. Allocated memory was 151.0MB in the beginning and 285.2MB in the end (delta: 134.2MB). Free memory was 115.2MB in the beginning and 166.0MB in the end (delta: -50.8MB). Peak memory consumption was 163.7MB. Max. memory is 16.1GB. [2021-11-23 14:06:51,534 INFO L158 Benchmark]: Witness Printer took 188.34ms. Allocated memory is still 285.2MB. Free memory was 166.0MB in the beginning and 150.3MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 14:06:51,536 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 111.1MB. Free memory is still 66.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 549.82ms. Allocated memory is still 111.1MB. Free memory was 82.0MB in the beginning and 77.0MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.82ms. Allocated memory is still 111.1MB. Free memory was 76.8MB in the beginning and 72.9MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.93ms. Allocated memory is still 111.1MB. Free memory was 72.9MB in the beginning and 70.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 693.29ms. Allocated memory was 111.1MB in the beginning and 151.0MB in the end (delta: 39.8MB). Free memory was 70.4MB in the beginning and 115.8MB in the end (delta: -45.4MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. * TraceAbstraction took 15789.08ms. Allocated memory was 151.0MB in the beginning and 285.2MB in the end (delta: 134.2MB). Free memory was 115.2MB in the beginning and 166.0MB in the end (delta: -50.8MB). Peak memory consumption was 163.7MB. Max. memory is 16.1GB. * Witness Printer took 188.34ms. Allocated memory is still 285.2MB. Free memory was 166.0MB in the beginning and 150.3MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * 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: 868]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 868]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 868]: 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, 188 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 15.6s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2322 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2322 mSDsluCounter, 4706 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3019 mSDsCounter, 77 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 413 IncrementalHoareTripleChecker+Invalid, 490 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 77 mSolverCounterUnsat, 1687 mSDtfsCounter, 413 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 273 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=303occurred in iteration=11, InterpolantAutomatonStates: 74, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 1298 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 99 LocationsWithAnnotation, 99 PreInvPairs, 277 NumberOfFragments, 984 HoareAnnotationTreeSize, 99 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 6.4s HoareSimplificationTime, 99 FomulaSimplificationsInter, 933875 FormulaSimplificationTreeSizeReductionInter, 4.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 706 NumberOfCodeBlocks, 706 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 692 ConstructedInterpolants, 0 QuantifiedInterpolants, 1198 SizeOfPredicates, 5 NumberOfNonLiveVariables, 888 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 154/162 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: 836]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 755]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0 && \result == 0) && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 864]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 921]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 0 && 1 <= tmp) && 1 <= methaneLevelCritical) && 1 <= \result) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) || ((((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 0) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 463]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && 1 <= methaneLevelCritical) && 1 == systemActive) && splverifierCounter == 0) && tmp == 0) || ((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0) && tmp == 0) - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 475]: Loop Invariant Derived loop invariant: ((((((methAndRunningLastTime == 0 && methaneLevelCritical == 0) && tmp == 0) && \result == 0) && 1 == systemActive) && splverifierCounter == 0) || ((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0)) || (((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: ((((methaneLevelCritical == 0 && \result == 0) && 1 == systemActive) && splverifierCounter == 0) || (((pumpRunning == 0 && 1 <= methaneLevelCritical) && 1 == systemActive) && splverifierCounter == 0)) || (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 755]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 0) && 1 == systemActive) && splverifierCounter == 0) && tmp == 0 - InvariantResult [Line: 755]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 463]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0 && \result == 0) && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 621]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 0) && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 864]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 <= methaneLevelCritical) && 1 == systemActive) && splverifierCounter == 0) || (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 755]: Loop Invariant Derived loop invariant: (((methaneLevelCritical == 0 && \result == 0) && 1 == systemActive) && splverifierCounter == 0) || ((((((pumpRunning == 0 && 1 <= methaneLevelCritical) && 1 <= \result) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) && 1 <= tmp) - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 791]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0 && \result == 0) && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0 && \result == 0) && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 0) && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: ((((((methAndRunningLastTime == 0 && methaneLevelCritical == 0) && tmp == 0) && \result == 0) && 1 == systemActive) && splverifierCounter == 0) || ((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0)) || (((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 567]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 791]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0 && \result == 0) && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: (((methaneLevelCritical == 0 && \result == 0) && 1 == systemActive) && splverifierCounter == 0) || ((((methAndRunningLastTime == 0 && 1 <= methaneLevelCritical) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && 1 <= methaneLevelCritical) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) || (((methaneLevelCritical == 0 && \result == 0) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 0) && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: (((((methAndRunningLastTime == 0 && methaneLevelCritical == 0) && tmp == 0) && \result == 0) && 1 == systemActive) && splverifierCounter == 0) || (((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: ((((methaneLevelCritical == 0 && \result == 0) && 1 == systemActive) && splverifierCounter == 0) || (((pumpRunning == 0 && 1 <= methaneLevelCritical) && 1 == systemActive) && splverifierCounter == 0)) || (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 664]: Loop Invariant Derived loop invariant: (((((methAndRunningLastTime == 0 && methaneLevelCritical == 0) && tmp == 0) && \result == 0) && 1 == systemActive) && splverifierCounter == 0) || (((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 755]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 791]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && 1 <= methaneLevelCritical) && 1 <= \result) && 1 == systemActive) && \result == 0) && splverifierCounter == 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 0) && 1 == systemActive) && splverifierCounter == 0) || (((((pumpRunning == 0 && 1 <= methaneLevelCritical) && 1 <= \result) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 0) && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && 1 <= methaneLevelCritical) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) || ((((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 0) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 755]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 499]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 <= methaneLevelCritical) && 1 == systemActive) && splverifierCounter == 0) || (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 463]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0 && 1 <= methaneLevelCritical) && 1 == systemActive) && splverifierCounter == 0) || ((methaneLevelCritical == 0 && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 612]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: (((methAndRunningLastTime == 0 && 1 <= methaneLevelCritical) && 1 == systemActive) && splverifierCounter == 0) || ((methaneLevelCritical == 0 && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 912]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 664]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 632]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) || (((methAndRunningLastTime == 0 && 1 <= methaneLevelCritical) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: (((((methAndRunningLastTime == 0 && 1 <= methaneLevelCritical) && 1 <= \result) && 1 <= \result) && 1 == systemActive) && splverifierCounter == 0) || (((methaneLevelCritical == 0 && \result == 0) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 864]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 557]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 664]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-23 14:06:51,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b3f99a2-5c9b-41a9-9ca6-0c8db6d926bc/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE