./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product23.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fc73f8-e50b-484e-8c8d-c040263dc6ba/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fc73f8-e50b-484e-8c8d-c040263dc6ba/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fc73f8-e50b-484e-8c8d-c040263dc6ba/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fc73f8-e50b-484e-8c8d-c040263dc6ba/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product23.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fc73f8-e50b-484e-8c8d-c040263dc6ba/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fc73f8-e50b-484e-8c8d-c040263dc6ba/bin/uautomizer-WNIpwEf4Nt --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 956eb56d08f0603eaf047516e2a5f6a4b389e052 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:01:12,676 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:01:12,679 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:01:12,735 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:01:12,736 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:01:12,740 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:01:12,742 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:01:12,746 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:01:12,749 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:01:12,755 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:01:12,756 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:01:12,758 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:01:12,759 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:01:12,762 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:01:12,764 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:01:12,772 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:01:12,774 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:01:12,775 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:01:12,778 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:01:12,785 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:01:12,787 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:01:12,789 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:01:12,792 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:01:12,793 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:01:12,803 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:01:12,803 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:01:12,804 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:01:12,806 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:01:12,806 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:01:12,808 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:01:12,808 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:01:12,809 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:01:12,812 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:01:12,813 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:01:12,815 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:01:12,815 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:01:12,816 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:01:12,816 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:01:12,816 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:01:12,817 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:01:12,818 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:01:12,819 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fc73f8-e50b-484e-8c8d-c040263dc6ba/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-13 00:01:12,860 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:01:12,861 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:01:12,861 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:01:12,862 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:01:12,863 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:01:12,864 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:01:12,864 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:01:12,864 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:01:12,864 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:01:12,865 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:01:12,866 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:01:12,866 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:01:12,866 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 00:01:12,867 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:01:12,867 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 00:01:12,867 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:01:12,867 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:01:12,867 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:01:12,868 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 00:01:12,868 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:01:12,868 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:01:12,868 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:01:12,869 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:01:12,869 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:01:12,869 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:01:12,869 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 00:01:12,870 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:01:12,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 00:01:12,870 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 00:01:12,872 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:01:12,872 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_10fc73f8-e50b-484e-8c8d-c040263dc6ba/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fc73f8-e50b-484e-8c8d-c040263dc6ba/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 956eb56d08f0603eaf047516e2a5f6a4b389e052 [2021-10-13 00:01:13,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:01:13,168 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:01:13,171 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:01:13,172 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:01:13,173 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:01:13,174 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fc73f8-e50b-484e-8c8d-c040263dc6ba/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/product-lines/minepump_spec4_product23.cil.c [2021-10-13 00:01:13,246 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fc73f8-e50b-484e-8c8d-c040263dc6ba/bin/uautomizer-WNIpwEf4Nt/data/9fbd0207e/f17fb78f72e94c378b59a9f2d14b0932/FLAGcd75e412d [2021-10-13 00:01:13,725 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:01:13,725 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fc73f8-e50b-484e-8c8d-c040263dc6ba/sv-benchmarks/c/product-lines/minepump_spec4_product23.cil.c [2021-10-13 00:01:13,737 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fc73f8-e50b-484e-8c8d-c040263dc6ba/bin/uautomizer-WNIpwEf4Nt/data/9fbd0207e/f17fb78f72e94c378b59a9f2d14b0932/FLAGcd75e412d [2021-10-13 00:01:14,073 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fc73f8-e50b-484e-8c8d-c040263dc6ba/bin/uautomizer-WNIpwEf4Nt/data/9fbd0207e/f17fb78f72e94c378b59a9f2d14b0932 [2021-10-13 00:01:14,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:01:14,077 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:01:14,081 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:01:14,082 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:01:14,085 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:01:14,086 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:01:14" (1/1) ... [2021-10-13 00:01:14,088 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4065c643 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:01:14, skipping insertion in model container [2021-10-13 00:01:14,089 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:01:14" (1/1) ... [2021-10-13 00:01:14,096 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:01:14,163 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:01:14,345 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fc73f8-e50b-484e-8c8d-c040263dc6ba/sv-benchmarks/c/product-lines/minepump_spec4_product23.cil.c[1281,1294] [2021-10-13 00:01:14,465 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:01:14,475 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:01:14,489 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fc73f8-e50b-484e-8c8d-c040263dc6ba/sv-benchmarks/c/product-lines/minepump_spec4_product23.cil.c[1281,1294] [2021-10-13 00:01:14,549 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:01:14,568 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:01:14,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:01:14 WrapperNode [2021-10-13 00:01:14,568 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:01:14,570 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:01:14,570 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:01:14,570 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:01:14,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:01:14" (1/1) ... [2021-10-13 00:01:14,594 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:01:14" (1/1) ... [2021-10-13 00:01:14,636 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:01:14,637 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:01:14,637 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:01:14,637 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:01:14,646 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:01:14" (1/1) ... [2021-10-13 00:01:14,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:01:14" (1/1) ... [2021-10-13 00:01:14,660 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:01:14" (1/1) ... [2021-10-13 00:01:14,660 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:01:14" (1/1) ... [2021-10-13 00:01:14,671 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:01:14" (1/1) ... [2021-10-13 00:01:14,691 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:01:14" (1/1) ... [2021-10-13 00:01:14,707 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:01:14" (1/1) ... [2021-10-13 00:01:14,713 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:01:14,714 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:01:14,714 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:01:14,714 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:01:14,729 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:01:14" (1/1) ... [2021-10-13 00:01:14,736 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:01:14,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fc73f8-e50b-484e-8c8d-c040263dc6ba/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:01:14,759 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fc73f8-e50b-484e-8c8d-c040263dc6ba/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 00:01:14,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fc73f8-e50b-484e-8c8d-c040263dc6ba/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 00:01:14,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:01:14,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 00:01:14,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:01:14,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:01:15,736 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:01:15,737 INFO L299 CfgBuilder]: Removed 160 assume(true) statements. [2021-10-13 00:01:15,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:01:15 BoogieIcfgContainer [2021-10-13 00:01:15,739 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:01:15,741 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 00:01:15,742 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 00:01:15,745 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 00:01:15,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:01:14" (1/3) ... [2021-10-13 00:01:15,747 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@322f4f22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:01:15, skipping insertion in model container [2021-10-13 00:01:15,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:01:14" (2/3) ... [2021-10-13 00:01:15,748 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@322f4f22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:01:15, skipping insertion in model container [2021-10-13 00:01:15,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:01:15" (3/3) ... [2021-10-13 00:01:15,750 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product23.cil.c [2021-10-13 00:01:15,759 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 00:01:15,759 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-13 00:01:15,815 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 00:01:15,821 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, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-13 00:01:15,821 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-13 00:01:15,838 INFO L276 IsEmpty]: Start isEmpty. Operand has 107 states, 103 states have (on average 1.5436893203883495) internal successors, (159), 106 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:01:15,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-13 00:01:15,845 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:01:15,845 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:01:15,846 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:01:15,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:01:15,851 INFO L82 PathProgramCache]: Analyzing trace with hash 872829117, now seen corresponding path program 1 times [2021-10-13 00:01:15,860 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:01:15,860 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755950600] [2021-10-13 00:01:15,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:01:15,862 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:01:16,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:01:16,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:01:16,143 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:01:16,143 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755950600] [2021-10-13 00:01:16,144 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755950600] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:01:16,145 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:01:16,145 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:01:16,156 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723607559] [2021-10-13 00:01:16,162 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-13 00:01:16,163 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:01:16,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-13 00:01:16,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 00:01:16,185 INFO L87 Difference]: Start difference. First operand has 107 states, 103 states have (on average 1.5436893203883495) internal successors, (159), 106 states have internal predecessors, (159), 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 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:01:16,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:01:16,213 INFO L93 Difference]: Finished difference Result 208 states and 311 transitions. [2021-10-13 00:01:16,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 00:01:16,214 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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 16 [2021-10-13 00:01:16,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:01:16,225 INFO L225 Difference]: With dead ends: 208 [2021-10-13 00:01:16,225 INFO L226 Difference]: Without dead ends: 103 [2021-10-13 00:01:16,229 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-13 00:01:16,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2021-10-13 00:01:16,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2021-10-13 00:01:16,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 100 states have (on average 1.47) internal successors, (147), 102 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:01:16,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 147 transitions. [2021-10-13 00:01:16,271 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 147 transitions. Word has length 16 [2021-10-13 00:01:16,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:01:16,293 INFO L470 AbstractCegarLoop]: Abstraction has 103 states and 147 transitions. [2021-10-13 00:01:16,294 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:01:16,294 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 147 transitions. [2021-10-13 00:01:16,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-13 00:01:16,295 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:01:16,295 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:01:16,296 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 00:01:16,296 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:01:16,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:01:16,297 INFO L82 PathProgramCache]: Analyzing trace with hash -340316278, now seen corresponding path program 1 times [2021-10-13 00:01:16,298 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:01:16,298 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656953223] [2021-10-13 00:01:16,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:01:16,299 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:01:16,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:01:16,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:01:16,396 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:01:16,396 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656953223] [2021-10-13 00:01:16,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656953223] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:01:16,397 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:01:16,397 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:01:16,397 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139181080] [2021-10-13 00:01:16,398 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:01:16,399 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:01:16,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:01:16,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:01:16,400 INFO L87 Difference]: Start difference. First operand 103 states and 147 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:01:16,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:01:16,413 INFO L93 Difference]: Finished difference Result 103 states and 147 transitions. [2021-10-13 00:01:16,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:01:16,414 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 17 [2021-10-13 00:01:16,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:01:16,415 INFO L225 Difference]: With dead ends: 103 [2021-10-13 00:01:16,415 INFO L226 Difference]: Without dead ends: 45 [2021-10-13 00:01:16,416 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:01:16,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-10-13 00:01:16,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2021-10-13 00:01:16,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 44 states have (on average 1.4545454545454546) internal successors, (64), 44 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:01:16,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2021-10-13 00:01:16,422 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 17 [2021-10-13 00:01:16,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:01:16,423 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2021-10-13 00:01:16,423 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:01:16,423 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2021-10-13 00:01:16,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-13 00:01:16,424 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:01:16,425 INFO L512 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] [2021-10-13 00:01:16,425 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 00:01:16,425 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:01:16,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:01:16,426 INFO L82 PathProgramCache]: Analyzing trace with hash 1163144762, now seen corresponding path program 1 times [2021-10-13 00:01:16,426 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:01:16,427 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856642005] [2021-10-13 00:01:16,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:01:16,427 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:01:16,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:01:16,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:01:16,524 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:01:16,524 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856642005] [2021-10-13 00:01:16,524 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856642005] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:01:16,525 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:01:16,525 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 00:01:16,525 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287259013] [2021-10-13 00:01:16,526 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 00:01:16,526 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:01:16,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 00:01:16,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-13 00:01:16,527 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:01:16,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:01:16,739 INFO L93 Difference]: Finished difference Result 146 states and 214 transitions. [2021-10-13 00:01:16,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 00:01:16,740 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 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 22 [2021-10-13 00:01:16,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:01:16,741 INFO L225 Difference]: With dead ends: 146 [2021-10-13 00:01:16,741 INFO L226 Difference]: Without dead ends: 107 [2021-10-13 00:01:16,742 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 34.7ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-13 00:01:16,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-10-13 00:01:16,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 64. [2021-10-13 00:01:16,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 63 states have (on average 1.4761904761904763) internal successors, (93), 63 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:01:16,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 93 transitions. [2021-10-13 00:01:16,754 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 93 transitions. Word has length 22 [2021-10-13 00:01:16,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:01:16,755 INFO L470 AbstractCegarLoop]: Abstraction has 64 states and 93 transitions. [2021-10-13 00:01:16,755 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:01:16,755 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 93 transitions. [2021-10-13 00:01:16,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-13 00:01:16,756 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:01:16,756 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:01:16,757 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-13 00:01:16,757 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:01:16,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:01:16,758 INFO L82 PathProgramCache]: Analyzing trace with hash -1300420088, now seen corresponding path program 1 times [2021-10-13 00:01:16,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:01:16,758 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136275443] [2021-10-13 00:01:16,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:01:16,759 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:01:16,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:01:16,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:01:16,879 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:01:16,879 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136275443] [2021-10-13 00:01:16,883 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136275443] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:01:16,884 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:01:16,884 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-13 00:01:16,884 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692068147] [2021-10-13 00:01:16,885 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 00:01:16,885 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:01:16,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 00:01:16,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-10-13 00:01:16,886 INFO L87 Difference]: Start difference. First operand 64 states and 93 transitions. Second operand has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:01:17,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:01:17,263 INFO L93 Difference]: Finished difference Result 425 states and 651 transitions. [2021-10-13 00:01:17,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-13 00:01:17,264 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-13 00:01:17,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:01:17,267 INFO L225 Difference]: With dead ends: 425 [2021-10-13 00:01:17,268 INFO L226 Difference]: Without dead ends: 367 [2021-10-13 00:01:17,269 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 110.6ms TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2021-10-13 00:01:17,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2021-10-13 00:01:17,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 166. [2021-10-13 00:01:17,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 165 states have (on average 1.4606060606060607) internal successors, (241), 165 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:01:17,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 241 transitions. [2021-10-13 00:01:17,296 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 241 transitions. Word has length 24 [2021-10-13 00:01:17,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:01:17,297 INFO L470 AbstractCegarLoop]: Abstraction has 166 states and 241 transitions. [2021-10-13 00:01:17,297 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:01:17,297 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 241 transitions. [2021-10-13 00:01:17,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-13 00:01:17,299 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:01:17,299 INFO L512 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] [2021-10-13 00:01:17,299 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-13 00:01:17,300 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:01:17,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:01:17,300 INFO L82 PathProgramCache]: Analyzing trace with hash 1375176786, now seen corresponding path program 1 times [2021-10-13 00:01:17,301 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:01:17,301 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269862044] [2021-10-13 00:01:17,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:01:17,301 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:01:17,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:01:17,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:01:17,387 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:01:17,387 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269862044] [2021-10-13 00:01:17,387 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269862044] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:01:17,387 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:01:17,388 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:01:17,388 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737205063] [2021-10-13 00:01:17,389 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 00:01:17,389 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:01:17,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:01:17,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:01:17,390 INFO L87 Difference]: Start difference. First operand 166 states and 241 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:01:17,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:01:17,412 INFO L93 Difference]: Finished difference Result 278 states and 406 transitions. [2021-10-13 00:01:17,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 00:01:17,413 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 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 25 [2021-10-13 00:01:17,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:01:17,414 INFO L225 Difference]: With dead ends: 278 [2021-10-13 00:01:17,414 INFO L226 Difference]: Without dead ends: 118 [2021-10-13 00:01:17,418 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:01:17,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2021-10-13 00:01:17,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2021-10-13 00:01:17,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 117 states have (on average 1.3333333333333333) internal successors, (156), 117 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:01:17,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 156 transitions. [2021-10-13 00:01:17,448 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 156 transitions. Word has length 25 [2021-10-13 00:01:17,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:01:17,449 INFO L470 AbstractCegarLoop]: Abstraction has 118 states and 156 transitions. [2021-10-13 00:01:17,449 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:01:17,449 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 156 transitions. [2021-10-13 00:01:17,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-10-13 00:01:17,456 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 00:01:17,457 INFO L512 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] [2021-10-13 00:01:17,457 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-13 00:01:17,458 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 00:01:17,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:01:17,459 INFO L82 PathProgramCache]: Analyzing trace with hash 1574439088, now seen corresponding path program 1 times [2021-10-13 00:01:17,459 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:01:17,460 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154176839] [2021-10-13 00:01:17,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:01:17,461 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:01:17,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:01:17,551 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:01:17,551 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:01:17,551 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154176839] [2021-10-13 00:01:17,552 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154176839] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:01:17,552 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [540355818] [2021-10-13 00:01:17,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:01:17,552 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:01:17,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fc73f8-e50b-484e-8c8d-c040263dc6ba/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:01:17,554 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fc73f8-e50b-484e-8c8d-c040263dc6ba/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:01:17,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fc73f8-e50b-484e-8c8d-c040263dc6ba/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-13 00:01:17,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:01:17,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-13 00:01:17,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:01:17,920 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:01:17,920 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [540355818] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:01:17,920 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-13 00:01:17,921 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2021-10-13 00:01:17,921 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890273217] [2021-10-13 00:01:17,921 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 00:01:17,922 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:01:17,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:01:17,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:01:17,927 INFO L87 Difference]: Start difference. First operand 118 states and 156 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 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) [2021-10-13 00:01:18,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:01:18,014 INFO L93 Difference]: Finished difference Result 154 states and 205 transitions. [2021-10-13 00:01:18,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 00:01:18,014 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 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 [2021-10-13 00:01:18,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 00:01:18,015 INFO L225 Difference]: With dead ends: 154 [2021-10-13 00:01:18,015 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 00:01:18,016 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 22.3ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:01:18,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 00:01:18,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 00:01:18,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:01:18,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 00:01:18,016 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40 [2021-10-13 00:01:18,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 00:01:18,017 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:01:18,017 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 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) [2021-10-13 00:01:18,017 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 00:01:18,017 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 00:01:18,019 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:01:18,019 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:01:18,019 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 00:01:18,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fc73f8-e50b-484e-8c8d-c040263dc6ba/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-13 00:01:18,220 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fc73f8-e50b-484e-8c8d-c040263dc6ba/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-10-13 00:01:18,222 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-13 00:01:18,225 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:01:18,227 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:01:18,228 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:01:18,229 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:01:18,231 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:01:18,232 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:01:18,236 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:01:18,237 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:01:18,237 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:01:18,238 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:01:18,239 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:01:18,240 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:01:18,241 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:01:18,250 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:01:18,251 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:01:18,251 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:01:18,252 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:01:18,253 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:01:18,253 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:01:18,254 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:01:18,254 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:01:18,255 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:01:18,265 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:01:18,266 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:01:18,266 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:01:18,267 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:01:18,267 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:01:18,280 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:01:18,288 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:01:18,289 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:01:18,290 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:01:18,291 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:01:18,302 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:01:18,303 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:01:18,313 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:01:18,313 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:01:18,314 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:01:18,323 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:01:18,324 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:01:18,324 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:01:18,325 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:01:18,326 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:01:18,326 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:01:18,327 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-13 00:01:18,838 INFO L857 garLoopResultBuilder]: For program point L927(lines 927 934) no Hoare annotation was computed. [2021-10-13 00:01:18,838 INFO L860 garLoopResultBuilder]: At program point L927-1(lines 927 934) the Hoare annotation is: true [2021-10-13 00:01:18,838 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-13 00:01:18,838 INFO L857 garLoopResultBuilder]: For program point L565(lines 564 611) no Hoare annotation was computed. [2021-10-13 00:01:18,839 INFO L853 garLoopResultBuilder]: At program point L499(lines 494 502) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= |ULTIMATE.start_getWaterLevel_#res| 0)))) (or (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~8 ~waterLevel~0) (= ~waterLevel~0 1)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2))) [2021-10-13 00:01:18,839 INFO L853 garLoopResultBuilder]: At program point L499-1(lines 494 502) the Hoare annotation is: false [2021-10-13 00:01:18,839 INFO L853 garLoopResultBuilder]: At program point L499-2(lines 494 502) the Hoare annotation is: false [2021-10-13 00:01:18,839 INFO L857 garLoopResultBuilder]: For program point L665(lines 665 682) no Hoare annotation was computed. [2021-10-13 00:01:18,839 INFO L857 garLoopResultBuilder]: For program point L665-1(lines 665 682) no Hoare annotation was computed. [2021-10-13 00:01:18,839 INFO L857 garLoopResultBuilder]: For program point L665-2(lines 665 682) no Hoare annotation was computed. [2021-10-13 00:01:18,839 INFO L857 garLoopResultBuilder]: For program point L566(lines 566 570) no Hoare annotation was computed. [2021-10-13 00:01:18,839 INFO L857 garLoopResultBuilder]: For program point L665-3(lines 665 682) no Hoare annotation was computed. [2021-10-13 00:01:18,840 INFO L857 garLoopResultBuilder]: For program point L665-4(lines 665 682) no Hoare annotation was computed. [2021-10-13 00:01:18,840 INFO L857 garLoopResultBuilder]: For program point L665-5(lines 665 682) no Hoare annotation was computed. [2021-10-13 00:01:18,840 INFO L853 garLoopResultBuilder]: At program point L467(lines 462 470) the Hoare annotation is: false [2021-10-13 00:01:18,840 INFO L853 garLoopResultBuilder]: At program point L467-1(lines 462 470) the Hoare annotation is: false [2021-10-13 00:01:18,840 INFO L853 garLoopResultBuilder]: At program point L467-2(lines 462 470) the Hoare annotation is: false [2021-10-13 00:01:18,840 INFO L857 garLoopResultBuilder]: For program point L831(lines 831 837) no Hoare annotation was computed. [2021-10-13 00:01:18,840 INFO L857 garLoopResultBuilder]: For program point L831-2(lines 831 837) no Hoare annotation was computed. [2021-10-13 00:01:18,841 INFO L857 garLoopResultBuilder]: For program point L831-4(lines 831 837) no Hoare annotation was computed. [2021-10-13 00:01:18,841 INFO L853 garLoopResultBuilder]: At program point L633(lines 632 651) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0)) (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~8 ~waterLevel~0) (= ~waterLevel~0 1)))) [2021-10-13 00:01:18,841 INFO L857 garLoopResultBuilder]: For program point L600(lines 600 606) no Hoare annotation was computed. [2021-10-13 00:01:18,841 INFO L857 garLoopResultBuilder]: For program point L633-1(lines 633 639) no Hoare annotation was computed. [2021-10-13 00:01:18,841 INFO L853 garLoopResultBuilder]: At program point L600-1(lines 633 639) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0)) (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~8 ~waterLevel~0) (= ~waterLevel~0 1)))) [2021-10-13 00:01:18,841 INFO L853 garLoopResultBuilder]: At program point L633-2(lines 632 651) the Hoare annotation is: false [2021-10-13 00:01:18,841 INFO L853 garLoopResultBuilder]: At program point L633-3(lines 632 651) the Hoare annotation is: false [2021-10-13 00:01:18,842 INFO L853 garLoopResultBuilder]: At program point L799(lines 784 802) the Hoare annotation is: false [2021-10-13 00:01:18,842 INFO L853 garLoopResultBuilder]: At program point L799-1(lines 784 802) the Hoare annotation is: false [2021-10-13 00:01:18,842 INFO L853 garLoopResultBuilder]: At program point L799-2(lines 784 802) the Hoare annotation is: false [2021-10-13 00:01:18,842 INFO L853 garLoopResultBuilder]: At program point L799-3(lines 784 802) the Hoare annotation is: false [2021-10-13 00:01:18,842 INFO L853 garLoopResultBuilder]: At program point L799-4(lines 784 802) the Hoare annotation is: false [2021-10-13 00:01:18,842 INFO L853 garLoopResultBuilder]: At program point L799-5(lines 784 802) the Hoare annotation is: false [2021-10-13 00:01:18,842 INFO L853 garLoopResultBuilder]: At program point L735(lines 728 738) the Hoare annotation is: false [2021-10-13 00:01:18,843 INFO L853 garLoopResultBuilder]: At program point L735-1(lines 728 738) the Hoare annotation is: false [2021-10-13 00:01:18,843 INFO L857 garLoopResultBuilder]: For program point L669(lines 669 677) no Hoare annotation was computed. [2021-10-13 00:01:18,843 INFO L853 garLoopResultBuilder]: At program point L735-2(lines 728 738) the Hoare annotation is: false [2021-10-13 00:01:18,843 INFO L857 garLoopResultBuilder]: For program point L669-1(lines 669 677) no Hoare annotation was computed. [2021-10-13 00:01:18,843 INFO L857 garLoopResultBuilder]: For program point L669-2(lines 669 677) no Hoare annotation was computed. [2021-10-13 00:01:18,843 INFO L857 garLoopResultBuilder]: For program point L669-3(lines 669 677) no Hoare annotation was computed. [2021-10-13 00:01:18,843 INFO L857 garLoopResultBuilder]: For program point L669-4(lines 669 677) no Hoare annotation was computed. [2021-10-13 00:01:18,843 INFO L857 garLoopResultBuilder]: For program point L669-5(lines 669 677) no Hoare annotation was computed. [2021-10-13 00:01:18,844 INFO L853 garLoopResultBuilder]: At program point L538(lines 1 939) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-13 00:01:18,844 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-13 00:01:18,844 INFO L860 garLoopResultBuilder]: At program point L936(lines 917 939) the Hoare annotation is: true [2021-10-13 00:01:18,844 INFO L853 garLoopResultBuilder]: At program point L904(lines 900 906) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~8 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~8 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-13 00:01:18,844 INFO L853 garLoopResultBuilder]: At program point L640(lines 640 646) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0)) (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~8 ~waterLevel~0) (= ~waterLevel~0 1)))) [2021-10-13 00:01:18,845 INFO L853 garLoopResultBuilder]: At program point L640-1(lines 640 646) the Hoare annotation is: false [2021-10-13 00:01:18,851 INFO L857 garLoopResultBuilder]: For program point L574(lines 574 580) no Hoare annotation was computed. [2021-10-13 00:01:18,851 INFO L853 garLoopResultBuilder]: At program point L640-2(lines 640 646) the Hoare annotation is: false [2021-10-13 00:01:18,851 INFO L853 garLoopResultBuilder]: At program point L574-1(lines 574 580) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0)) (.cse3 (= ULTIMATE.start_main_~tmp~8 ~waterLevel~0)) (.cse4 (= ~waterLevel~0 1))) (or (and .cse0 .cse1 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 0)) (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) .cse2 .cse3 .cse4) (and .cse0 .cse1 (<= 2 ~waterLevel~0)) (and .cse0 .cse1 .cse2 .cse3 .cse4 (not (= 0 ~systemActive~0))))) [2021-10-13 00:01:18,852 INFO L853 garLoopResultBuilder]: At program point L508(lines 503 511) the Hoare annotation is: false [2021-10-13 00:01:18,852 INFO L853 garLoopResultBuilder]: At program point L508-1(lines 503 511) the Hoare annotation is: false [2021-10-13 00:01:18,852 INFO L857 garLoopResultBuilder]: For program point L442(lines 442 446) no Hoare annotation was computed. [2021-10-13 00:01:18,853 INFO L853 garLoopResultBuilder]: At program point L508-2(lines 503 511) the Hoare annotation is: false [2021-10-13 00:01:18,853 INFO L853 garLoopResultBuilder]: At program point L508-3(lines 503 511) the Hoare annotation is: false [2021-10-13 00:01:18,853 INFO L853 garLoopResultBuilder]: At program point L508-4(lines 503 511) the Hoare annotation is: false [2021-10-13 00:01:18,859 INFO L853 garLoopResultBuilder]: At program point L508-5(lines 503 511) the Hoare annotation is: false [2021-10-13 00:01:18,859 INFO L857 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-10-13 00:01:18,859 INFO L857 garLoopResultBuilder]: For program point L46-1(line 46) no Hoare annotation was computed. [2021-10-13 00:01:18,859 INFO L857 garLoopResultBuilder]: For program point L46-2(line 46) no Hoare annotation was computed. [2021-10-13 00:01:18,860 INFO L857 garLoopResultBuilder]: For program point L807(lines 807 813) no Hoare annotation was computed. [2021-10-13 00:01:18,860 INFO L853 garLoopResultBuilder]: At program point L807-1(lines 807 813) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0)) (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= ULTIMATE.start_main_~tmp~8 ~waterLevel~0) (= ~waterLevel~0 1)))) [2021-10-13 00:01:18,860 INFO L853 garLoopResultBuilder]: At program point L744(lines 739 747) the Hoare annotation is: false [2021-10-13 00:01:18,860 INFO L853 garLoopResultBuilder]: At program point L744-1(lines 739 747) the Hoare annotation is: false [2021-10-13 00:01:18,860 INFO L853 garLoopResultBuilder]: At program point L744-2(lines 739 747) the Hoare annotation is: false [2021-10-13 00:01:18,861 INFO L853 garLoopResultBuilder]: At program point L612(lines 563 613) the Hoare annotation is: false [2021-10-13 00:01:18,861 INFO L853 garLoopResultBuilder]: At program point L546(lines 541 549) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-13 00:01:18,861 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-13 00:01:18,861 INFO L857 garLoopResultBuilder]: For program point L584(lines 584 590) no Hoare annotation was computed. [2021-10-13 00:01:18,862 INFO L853 garLoopResultBuilder]: At program point L584-1(lines 584 590) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0)) (.cse3 (= ULTIMATE.start_main_~tmp~8 ~waterLevel~0)) (.cse4 (= ~waterLevel~0 1))) (or (and .cse0 .cse1 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 0)) (not (= |ULTIMATE.start_getWaterLevel_#res| 0)) .cse2 .cse3 .cse4) (and .cse0 .cse1 (<= 2 ~waterLevel~0)) (and .cse0 .cse1 .cse2 .cse3 .cse4 (not (= 0 ~systemActive~0))))) [2021-10-13 00:01:18,862 INFO L857 garLoopResultBuilder]: For program point L454(lines 454 458) no Hoare annotation was computed. [2021-10-13 00:01:18,862 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-13 00:01:18,862 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-13 00:01:18,862 INFO L853 garLoopResultBuilder]: At program point L856-2(lines 856 870) the Hoare annotation is: false [2021-10-13 00:01:18,862 INFO L857 garLoopResultBuilder]: For program point L691(lines 691 708) no Hoare annotation was computed. [2021-10-13 00:01:18,863 INFO L857 garLoopResultBuilder]: For program point L691-1(lines 691 708) no Hoare annotation was computed. [2021-10-13 00:01:18,863 INFO L857 garLoopResultBuilder]: For program point L691-2(lines 691 708) no Hoare annotation was computed. [2021-10-13 00:01:18,864 INFO L857 garLoopResultBuilder]: For program point L857(line 857) no Hoare annotation was computed. [2021-10-13 00:01:18,864 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-13 00:01:18,864 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-10-13 00:01:18,864 INFO L857 garLoopResultBuilder]: For program point L594(lines 594 607) no Hoare annotation was computed. [2021-10-13 00:01:18,864 INFO L857 garLoopResultBuilder]: For program point L793(lines 793 797) no Hoare annotation was computed. [2021-10-13 00:01:18,865 INFO L857 garLoopResultBuilder]: For program point L793-2(lines 793 797) no Hoare annotation was computed. [2021-10-13 00:01:18,868 INFO L857 garLoopResultBuilder]: For program point L793-3(lines 793 797) no Hoare annotation was computed. [2021-10-13 00:01:18,873 INFO L857 garLoopResultBuilder]: For program point L793-5(lines 793 797) no Hoare annotation was computed. [2021-10-13 00:01:18,874 INFO L857 garLoopResultBuilder]: For program point L793-6(lines 793 797) no Hoare annotation was computed. [2021-10-13 00:01:18,874 INFO L857 garLoopResultBuilder]: For program point L793-8(lines 793 797) no Hoare annotation was computed. [2021-10-13 00:01:18,874 INFO L857 garLoopResultBuilder]: For program point L793-9(lines 793 797) no Hoare annotation was computed. [2021-10-13 00:01:18,874 INFO L857 garLoopResultBuilder]: For program point L430(lines 430 434) no Hoare annotation was computed. [2021-10-13 00:01:18,874 INFO L857 garLoopResultBuilder]: For program point L793-11(lines 793 797) no Hoare annotation was computed. [2021-10-13 00:01:18,875 INFO L857 garLoopResultBuilder]: For program point L793-12(lines 793 797) no Hoare annotation was computed. [2021-10-13 00:01:18,875 INFO L857 garLoopResultBuilder]: For program point L430-3(lines 430 434) no Hoare annotation was computed. [2021-10-13 00:01:18,875 INFO L857 garLoopResultBuilder]: For program point L793-14(lines 793 797) no Hoare annotation was computed. [2021-10-13 00:01:18,875 INFO L857 garLoopResultBuilder]: For program point L793-15(lines 793 797) no Hoare annotation was computed. [2021-10-13 00:01:18,875 INFO L857 garLoopResultBuilder]: For program point L430-6(lines 430 434) no Hoare annotation was computed. [2021-10-13 00:01:18,875 INFO L857 garLoopResultBuilder]: For program point L793-17(lines 793 797) no Hoare annotation was computed. [2021-10-13 00:01:18,876 INFO L857 garLoopResultBuilder]: For program point L860(lines 860 864) no Hoare annotation was computed. [2021-10-13 00:01:18,876 INFO L857 garLoopResultBuilder]: For program point L827(lines 827 840) no Hoare annotation was computed. [2021-10-13 00:01:18,876 INFO L857 garLoopResultBuilder]: For program point L860-1(lines 633 639) no Hoare annotation was computed. [2021-10-13 00:01:18,876 INFO L853 garLoopResultBuilder]: At program point L827-1(lines 1 939) the Hoare annotation is: (let ((.cse2 (not (= ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~7 0))) (.cse3 (not (= |ULTIMATE.start_getWaterLevel_#res| 0))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| ~waterLevel~0)) (.cse5 (= ULTIMATE.start_main_~tmp~8 ~waterLevel~0)) (.cse6 (= ~waterLevel~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3) (and .cse0 .cse1 .cse4 .cse5 .cse6 (not (= 0 ~systemActive~0))))) [2021-10-13 00:01:18,876 INFO L857 garLoopResultBuilder]: For program point L827-2(lines 827 840) no Hoare annotation was computed. [2021-10-13 00:01:18,877 INFO L853 garLoopResultBuilder]: At program point L827-3(lines 1 939) the Hoare annotation is: false [2021-10-13 00:01:18,877 INFO L857 garLoopResultBuilder]: For program point L695(lines 695 703) no Hoare annotation was computed. [2021-10-13 00:01:18,877 INFO L857 garLoopResultBuilder]: For program point L827-4(lines 827 840) no Hoare annotation was computed. [2021-10-13 00:01:18,877 INFO L857 garLoopResultBuilder]: For program point L695-1(lines 695 703) no Hoare annotation was computed. [2021-10-13 00:01:18,878 INFO L853 garLoopResultBuilder]: At program point L827-5(lines 1 939) the Hoare annotation is: false [2021-10-13 00:01:18,879 INFO L857 garLoopResultBuilder]: For program point L695-2(lines 695 703) no Hoare annotation was computed. [2021-10-13 00:01:18,884 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 00:01:18,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:01:18 BoogieIcfgContainer [2021-10-13 00:01:18,904 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 00:01:18,905 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:01:18,905 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:01:18,905 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:01:18,906 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:01:15" (3/4) ... [2021-10-13 00:01:18,908 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 00:01:18,928 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-13 00:01:18,929 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-13 00:01:18,930 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-13 00:01:18,931 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-13 00:01:18,932 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 00:01:18,933 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 00:01:18,934 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 00:01:18,958 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == waterLevel) && 1 == systemActive) && waterLevel == 1 [2021-10-13 00:01:18,958 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == waterLevel) && tmp == waterLevel) && tmp == systemActive) && waterLevel == 1 [2021-10-13 00:01:18,958 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && !(tmp == 0)) && !(\result == 0)) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) || ((((splverifierCounter == 0 && pumpRunning == 0) && !(tmp == 0)) && 2 <= waterLevel) && !(\result == 0))) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) && !(0 == systemActive)) [2021-10-13 00:01:18,959 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && !(tmp == 0)) && !(\result == 0)) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) || ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel)) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) && !(0 == systemActive)) [2021-10-13 00:01:18,960 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && !(tmp == 0)) && !(\result == 0)) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) || ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel)) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) && !(0 == systemActive)) [2021-10-13 00:01:18,960 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) [2021-10-13 00:01:18,960 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) [2021-10-13 00:01:18,961 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) [2021-10-13 00:01:18,961 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) [2021-10-13 00:01:18,968 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) || (((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) [2021-10-13 00:01:19,023 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fc73f8-e50b-484e-8c8d-c040263dc6ba/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 00:01:19,023 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:01:19,025 INFO L168 Benchmark]: Toolchain (without parser) took 4947.32 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 61.7 MB in the beginning and 81.7 MB in the end (delta: -20.0 MB). Peak memory consumption was 132.9 kB. Max. memory is 16.1 GB. [2021-10-13 00:01:19,025 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 96.5 MB. Free memory was 68.0 MB in the beginning and 68.0 MB in the end (delta: 32.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:01:19,025 INFO L168 Benchmark]: CACSL2BoogieTranslator took 487.41 ms. Allocated memory is still 96.5 MB. Free memory was 61.6 MB in the beginning and 65.8 MB in the end (delta: -4.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:01:19,026 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.04 ms. Allocated memory is still 96.5 MB. Free memory was 65.8 MB in the beginning and 62.0 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:01:19,026 INFO L168 Benchmark]: Boogie Preprocessor took 75.90 ms. Allocated memory is still 96.5 MB. Free memory was 62.0 MB in the beginning and 59.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:01:19,026 INFO L168 Benchmark]: RCFGBuilder took 1025.89 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 59.5 MB in the beginning and 73.8 MB in the end (delta: -14.3 MB). Peak memory consumption was 28.9 MB. Max. memory is 16.1 GB. [2021-10-13 00:01:19,027 INFO L168 Benchmark]: TraceAbstraction took 3162.76 ms. Allocated memory is still 117.4 MB. Free memory was 73.4 MB in the beginning and 90.1 MB in the end (delta: -16.6 MB). Peak memory consumption was 43.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:01:19,027 INFO L168 Benchmark]: Witness Printer took 118.91 ms. Allocated memory is still 117.4 MB. Free memory was 90.1 MB in the beginning and 81.7 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:01:19,029 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 96.5 MB. Free memory was 68.0 MB in the beginning and 68.0 MB in the end (delta: 32.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 487.41 ms. Allocated memory is still 96.5 MB. Free memory was 61.6 MB in the beginning and 65.8 MB in the end (delta: -4.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 67.04 ms. Allocated memory is still 96.5 MB. Free memory was 65.8 MB in the beginning and 62.0 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 75.90 ms. Allocated memory is still 96.5 MB. Free memory was 62.0 MB in the beginning and 59.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1025.89 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 59.5 MB in the beginning and 73.8 MB in the end (delta: -14.3 MB). Peak memory consumption was 28.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3162.76 ms. Allocated memory is still 117.4 MB. Free memory was 73.4 MB in the beginning and 90.1 MB in the end (delta: -16.6 MB). Peak memory consumption was 43.1 MB. Max. memory is 16.1 GB. * Witness Printer took 118.91 ms. Allocated memory is still 117.4 MB. Free memory was 90.1 MB in the beginning and 81.7 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 46]: 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, 107 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 3070.6ms, OverallIterations: 6, TraceHistogramMax: 2, EmptinessCheckTime: 22.8ms, AutomataDifference: 804.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 617.1ms, InitialAbstractionConstructionTime: 12.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 460 SDtfs, 868 SDslu, 870 SDs, 0 SdLazy, 135 SolverSat, 21 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 399.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 71 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 174.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=166occurred in iteration=4, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 103.0ms AutomataMinimizationTime, 6 MinimizatonAttempts, 244 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 44 LocationsWithAnnotation, 44 PreInvPairs, 76 NumberOfFragments, 388 HoareAnnotationTreeSize, 44 FomulaSimplifications, 1373 FormulaSimplificationTreeSizeReduction, 110.9ms HoareSimplificationTime, 44 FomulaSimplificationsInter, 128 FormulaSimplificationTreeSizeReductionInter, 495.2ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 53.8ms SsaConstructionTime, 303.8ms SatisfiabilityAnalysisTime, 650.9ms InterpolantComputationTime, 184 NumberOfCodeBlocks, 184 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 177 ConstructedInterpolants, 0 QuantifiedInterpolants, 414 SizeOfPredicates, 0 NumberOfNonLiveVariables, 382 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 23/28 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: 784]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 563]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == waterLevel) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && !(\result == 0)) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) || (((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 632]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 739]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && !(tmp == 0)) && !(\result == 0)) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) || ((((splverifierCounter == 0 && pumpRunning == 0) && !(tmp == 0)) && 2 <= waterLevel) && !(\result == 0))) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) && !(0 == systemActive)) - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 632]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 728]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 900]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == waterLevel) && tmp == waterLevel) && tmp == systemActive) && waterLevel == 1 - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && !(tmp == 0)) && !(\result == 0)) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) || ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel)) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) && !(0 == systemActive)) - InvariantResult [Line: 807]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 632]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) - InvariantResult [Line: 728]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 574]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && !(tmp == 0)) && !(\result == 0)) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) || ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel)) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) && !(0 == systemActive)) - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 728]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == waterLevel) && tmp == waterLevel) && waterLevel == 1) RESULT: Ultimate proved your program to be correct! [2021-10-13 00:01:19,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10fc73f8-e50b-484e-8c8d-c040263dc6ba/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...