./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product58.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_849a5556-0292-4089-b77f-f2cb5f445259/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_849a5556-0292-4089-b77f-f2cb5f445259/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_849a5556-0292-4089-b77f-f2cb5f445259/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_849a5556-0292-4089-b77f-f2cb5f445259/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product58.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_849a5556-0292-4089-b77f-f2cb5f445259/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_849a5556-0292-4089-b77f-f2cb5f445259/bin/uautomizer-DrprNOufMa --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 ae631a30e0cfb00652c35b082fd4038988aa5f3b2e1b026ceeb94d0624c45642 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 23:24:54,492 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 23:24:54,493 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 23:24:54,516 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 23:24:54,517 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 23:24:54,518 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 23:24:54,519 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 23:24:54,521 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 23:24:54,522 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 23:24:54,523 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 23:24:54,524 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 23:24:54,525 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 23:24:54,526 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 23:24:54,532 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 23:24:54,533 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 23:24:54,535 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 23:24:54,536 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 23:24:54,537 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 23:24:54,539 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 23:24:54,541 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 23:24:54,543 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 23:24:54,545 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 23:24:54,546 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 23:24:54,547 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 23:24:54,551 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 23:24:54,551 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 23:24:54,551 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 23:24:54,552 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 23:24:54,553 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 23:24:54,557 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 23:24:54,557 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 23:24:54,558 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 23:24:54,559 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 23:24:54,560 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 23:24:54,561 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 23:24:54,561 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 23:24:54,561 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 23:24:54,562 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 23:24:54,562 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 23:24:54,562 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 23:24:54,563 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 23:24:54,564 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_849a5556-0292-4089-b77f-f2cb5f445259/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 23:24:54,590 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 23:24:54,590 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 23:24:54,591 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 23:24:54,591 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 23:24:54,591 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 23:24:54,592 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 23:24:54,592 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 23:24:54,592 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 23:24:54,593 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 23:24:54,593 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 23:24:54,593 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 23:24:54,593 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 23:24:54,593 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 23:24:54,593 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 23:24:54,594 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 23:24:54,594 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 23:24:54,594 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 23:24:54,594 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 23:24:54,594 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 23:24:54,594 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 23:24:54,595 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 23:24:54,595 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 23:24:54,595 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 23:24:54,595 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 23:24:54,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 23:24:54,596 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 23:24:54,596 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 23:24:54,596 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 23:24:54,596 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 23:24:54,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 23:24:54,596 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 23:24:54,597 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 23:24:54,597 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 23:24:54,597 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 23:24:54,597 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_849a5556-0292-4089-b77f-f2cb5f445259/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_849a5556-0292-4089-b77f-f2cb5f445259/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae631a30e0cfb00652c35b082fd4038988aa5f3b2e1b026ceeb94d0624c45642 [2021-12-06 23:24:54,760 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 23:24:54,779 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 23:24:54,781 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 23:24:54,782 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 23:24:54,782 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 23:24:54,783 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_849a5556-0292-4089-b77f-f2cb5f445259/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/product-lines/minepump_spec3_product58.cil.c [2021-12-06 23:24:54,826 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_849a5556-0292-4089-b77f-f2cb5f445259/bin/uautomizer-DrprNOufMa/data/8cee0eecf/7670e9b4c21c4a839ebdc17f2bcb43fb/FLAG39100bcc7 [2021-12-06 23:24:55,317 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 23:24:55,318 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_849a5556-0292-4089-b77f-f2cb5f445259/sv-benchmarks/c/product-lines/minepump_spec3_product58.cil.c [2021-12-06 23:24:55,330 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_849a5556-0292-4089-b77f-f2cb5f445259/bin/uautomizer-DrprNOufMa/data/8cee0eecf/7670e9b4c21c4a839ebdc17f2bcb43fb/FLAG39100bcc7 [2021-12-06 23:24:55,811 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_849a5556-0292-4089-b77f-f2cb5f445259/bin/uautomizer-DrprNOufMa/data/8cee0eecf/7670e9b4c21c4a839ebdc17f2bcb43fb [2021-12-06 23:24:55,814 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 23:24:55,815 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 23:24:55,816 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 23:24:55,816 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 23:24:55,818 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 23:24:55,819 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:24:55" (1/1) ... [2021-12-06 23:24:55,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5192c5e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:24:55, skipping insertion in model container [2021-12-06 23:24:55,820 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:24:55" (1/1) ... [2021-12-06 23:24:55,825 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 23:24:55,859 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 23:24:56,015 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_849a5556-0292-4089-b77f-f2cb5f445259/sv-benchmarks/c/product-lines/minepump_spec3_product58.cil.c[13037,13050] [2021-12-06 23:24:56,042 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:24:56,049 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 23:24:56,087 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_849a5556-0292-4089-b77f-f2cb5f445259/sv-benchmarks/c/product-lines/minepump_spec3_product58.cil.c[13037,13050] [2021-12-06 23:24:56,104 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:24:56,118 INFO L208 MainTranslator]: Completed translation [2021-12-06 23:24:56,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:24:56 WrapperNode [2021-12-06 23:24:56,119 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 23:24:56,120 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 23:24:56,120 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 23:24:56,120 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 23:24:56,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:24:56" (1/1) ... [2021-12-06 23:24:56,143 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:24:56" (1/1) ... [2021-12-06 23:24:56,171 INFO L137 Inliner]: procedures = 57, calls = 158, calls flagged for inlining = 26, calls inlined = 23, statements flattened = 283 [2021-12-06 23:24:56,171 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 23:24:56,172 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 23:24:56,172 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 23:24:56,172 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 23:24:56,181 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:24:56" (1/1) ... [2021-12-06 23:24:56,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:24:56" (1/1) ... [2021-12-06 23:24:56,184 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:24:56" (1/1) ... [2021-12-06 23:24:56,184 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:24:56" (1/1) ... [2021-12-06 23:24:56,192 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:24:56" (1/1) ... [2021-12-06 23:24:56,198 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:24:56" (1/1) ... [2021-12-06 23:24:56,200 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:24:56" (1/1) ... [2021-12-06 23:24:56,203 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 23:24:56,204 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 23:24:56,204 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 23:24:56,204 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 23:24:56,205 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:24:56" (1/1) ... [2021-12-06 23:24:56,213 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 23:24:56,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_849a5556-0292-4089-b77f-f2cb5f445259/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:24:56,235 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_849a5556-0292-4089-b77f-f2cb5f445259/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 23:24:56,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_849a5556-0292-4089-b77f-f2cb5f445259/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 23:24:56,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 23:24:56,266 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-06 23:24:56,266 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-06 23:24:56,266 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-12-06 23:24:56,266 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-12-06 23:24:56,266 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-06 23:24:56,266 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-06 23:24:56,266 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-06 23:24:56,266 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-06 23:24:56,266 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-12-06 23:24:56,266 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-12-06 23:24:56,266 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-06 23:24:56,266 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-06 23:24:56,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 23:24:56,267 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-06 23:24:56,267 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-06 23:24:56,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 23:24:56,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 23:24:56,325 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 23:24:56,327 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 23:24:56,577 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 23:24:56,583 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 23:24:56,583 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-06 23:24:56,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:24:56 BoogieIcfgContainer [2021-12-06 23:24:56,584 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 23:24:56,586 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 23:24:56,586 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 23:24:56,588 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 23:24:56,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 11:24:55" (1/3) ... [2021-12-06 23:24:56,589 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f1981bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 11:24:56, skipping insertion in model container [2021-12-06 23:24:56,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:24:56" (2/3) ... [2021-12-06 23:24:56,589 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f1981bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 11:24:56, skipping insertion in model container [2021-12-06 23:24:56,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:24:56" (3/3) ... [2021-12-06 23:24:56,590 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product58.cil.c [2021-12-06 23:24:56,594 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 23:24:56,594 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 23:24:56,628 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 23:24:56,633 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 23:24:56,634 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 23:24:56,647 INFO L276 IsEmpty]: Start isEmpty. Operand has 94 states, 73 states have (on average 1.3835616438356164) internal successors, (101), 81 states have internal predecessors, (101), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2021-12-06 23:24:56,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-12-06 23:24:56,653 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:24:56,653 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:24:56,653 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:24:56,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:24:56,657 INFO L85 PathProgramCache]: Analyzing trace with hash -1031602919, now seen corresponding path program 1 times [2021-12-06 23:24:56,664 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:24:56,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769529493] [2021-12-06 23:24:56,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:24:56,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:24:56,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:24:56,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 23:24:56,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:24:56,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:24:56,817 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:24:56,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769529493] [2021-12-06 23:24:56,818 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769529493] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:24:56,818 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:24:56,818 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 23:24:56,819 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868861894] [2021-12-06 23:24:56,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:24:56,823 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-06 23:24:56,823 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:24:56,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-06 23:24:56,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 23:24:56,845 INFO L87 Difference]: Start difference. First operand has 94 states, 73 states have (on average 1.3835616438356164) internal successors, (101), 81 states have internal predecessors, (101), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 23:24:56,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:24:56,868 INFO L93 Difference]: Finished difference Result 180 states and 245 transitions. [2021-12-06 23:24:56,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 23:24:56,869 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2021-12-06 23:24:56,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:24:56,876 INFO L225 Difference]: With dead ends: 180 [2021-12-06 23:24:56,876 INFO L226 Difference]: Without dead ends: 85 [2021-12-06 23:24:56,879 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 23:24:56,881 INFO L933 BasicCegarLoop]: 119 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 23:24:56,882 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 23:24:56,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2021-12-06 23:24:56,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2021-12-06 23:24:56,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 66 states have (on average 1.3181818181818181) internal successors, (87), 73 states have internal predecessors, (87), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2021-12-06 23:24:56,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 110 transitions. [2021-12-06 23:24:56,913 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 110 transitions. Word has length 25 [2021-12-06 23:24:56,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:24:56,913 INFO L470 AbstractCegarLoop]: Abstraction has 85 states and 110 transitions. [2021-12-06 23:24:56,914 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 23:24:56,914 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 110 transitions. [2021-12-06 23:24:56,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-12-06 23:24:56,916 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:24:56,916 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:24:56,916 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 23:24:56,916 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:24:56,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:24:56,917 INFO L85 PathProgramCache]: Analyzing trace with hash -1999893422, now seen corresponding path program 1 times [2021-12-06 23:24:56,917 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:24:56,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957218370] [2021-12-06 23:24:56,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:24:56,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:24:56,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:24:56,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-06 23:24:56,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:24:56,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:24:56,971 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:24:56,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957218370] [2021-12-06 23:24:56,971 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957218370] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:24:56,971 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:24:56,971 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:24:56,972 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072512631] [2021-12-06 23:24:56,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:24:56,973 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:24:56,973 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:24:56,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:24:56,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:24:56,973 INFO L87 Difference]: Start difference. First operand 85 states and 110 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 23:24:56,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:24:56,986 INFO L93 Difference]: Finished difference Result 135 states and 175 transitions. [2021-12-06 23:24:56,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:24:56,986 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2021-12-06 23:24:56,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:24:56,988 INFO L225 Difference]: With dead ends: 135 [2021-12-06 23:24:56,988 INFO L226 Difference]: Without dead ends: 76 [2021-12-06 23:24:56,989 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:24:56,990 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 13 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 23:24:56,990 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 177 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 23:24:56,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2021-12-06 23:24:56,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2021-12-06 23:24:56,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 60 states have (on average 1.3333333333333333) internal successors, (80), 67 states have internal predecessors, (80), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2021-12-06 23:24:56,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 98 transitions. [2021-12-06 23:24:56,999 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 98 transitions. Word has length 26 [2021-12-06 23:24:56,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:24:56,999 INFO L470 AbstractCegarLoop]: Abstraction has 76 states and 98 transitions. [2021-12-06 23:24:56,999 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 23:24:56,999 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 98 transitions. [2021-12-06 23:24:57,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-12-06 23:24:57,000 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:24:57,000 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:24:57,000 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 23:24:57,001 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:24:57,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:24:57,001 INFO L85 PathProgramCache]: Analyzing trace with hash -2069285612, now seen corresponding path program 1 times [2021-12-06 23:24:57,001 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:24:57,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185586206] [2021-12-06 23:24:57,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:24:57,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:24:57,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:24:57,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 23:24:57,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:24:57,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:24:57,060 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:24:57,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185586206] [2021-12-06 23:24:57,060 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185586206] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:24:57,061 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:24:57,061 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 23:24:57,061 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398603913] [2021-12-06 23:24:57,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:24:57,062 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:24:57,062 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:24:57,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:24:57,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:24:57,062 INFO L87 Difference]: Start difference. First operand 76 states and 98 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 23:24:57,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:24:57,085 INFO L93 Difference]: Finished difference Result 145 states and 190 transitions. [2021-12-06 23:24:57,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:24:57,085 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2021-12-06 23:24:57,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:24:57,086 INFO L225 Difference]: With dead ends: 145 [2021-12-06 23:24:57,086 INFO L226 Difference]: Without dead ends: 76 [2021-12-06 23:24:57,087 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:24:57,088 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 92 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 23:24:57,088 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [92 Valid, 96 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 23:24:57,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2021-12-06 23:24:57,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2021-12-06 23:24:57,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 60 states have (on average 1.3166666666666667) internal successors, (79), 67 states have internal predecessors, (79), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2021-12-06 23:24:57,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 97 transitions. [2021-12-06 23:24:57,097 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 97 transitions. Word has length 31 [2021-12-06 23:24:57,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:24:57,097 INFO L470 AbstractCegarLoop]: Abstraction has 76 states and 97 transitions. [2021-12-06 23:24:57,097 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 23:24:57,097 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 97 transitions. [2021-12-06 23:24:57,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-12-06 23:24:57,099 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:24:57,099 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:24:57,099 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 23:24:57,099 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:24:57,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:24:57,099 INFO L85 PathProgramCache]: Analyzing trace with hash -513760969, now seen corresponding path program 1 times [2021-12-06 23:24:57,099 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:24:57,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850273280] [2021-12-06 23:24:57,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:24:57,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:24:57,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:24:57,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 23:24:57,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:24:57,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 23:24:57,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:24:57,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-06 23:24:57,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:24:57,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:24:57,169 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:24:57,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850273280] [2021-12-06 23:24:57,169 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850273280] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:24:57,170 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:24:57,170 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 23:24:57,170 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460320800] [2021-12-06 23:24:57,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:24:57,170 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 23:24:57,170 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:24:57,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 23:24:57,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 23:24:57,171 INFO L87 Difference]: Start difference. First operand 76 states and 97 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-12-06 23:24:57,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:24:57,289 INFO L93 Difference]: Finished difference Result 224 states and 286 transitions. [2021-12-06 23:24:57,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 23:24:57,289 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 41 [2021-12-06 23:24:57,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:24:57,291 INFO L225 Difference]: With dead ends: 224 [2021-12-06 23:24:57,292 INFO L226 Difference]: Without dead ends: 155 [2021-12-06 23:24:57,293 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-12-06 23:24:57,294 INFO L933 BasicCegarLoop]: 134 mSDtfsCounter, 185 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 23:24:57,295 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [187 Valid, 317 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 23:24:57,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2021-12-06 23:24:57,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 149. [2021-12-06 23:24:57,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 117 states have (on average 1.2735042735042734) internal successors, (149), 125 states have internal predecessors, (149), 15 states have call successors, (15), 13 states have call predecessors, (15), 16 states have return successors, (20), 16 states have call predecessors, (20), 15 states have call successors, (20) [2021-12-06 23:24:57,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 184 transitions. [2021-12-06 23:24:57,318 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 184 transitions. Word has length 41 [2021-12-06 23:24:57,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:24:57,318 INFO L470 AbstractCegarLoop]: Abstraction has 149 states and 184 transitions. [2021-12-06 23:24:57,319 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2021-12-06 23:24:57,319 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 184 transitions. [2021-12-06 23:24:57,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-12-06 23:24:57,320 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:24:57,320 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:24:57,321 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 23:24:57,321 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:24:57,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:24:57,321 INFO L85 PathProgramCache]: Analyzing trace with hash 1561264077, now seen corresponding path program 1 times [2021-12-06 23:24:57,322 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:24:57,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278880456] [2021-12-06 23:24:57,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:24:57,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:24:57,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:24:57,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 23:24:57,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:24:57,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 23:24:57,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:24:57,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 23:24:57,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:24:57,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:24:57,390 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:24:57,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278880456] [2021-12-06 23:24:57,391 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278880456] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:24:57,391 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:24:57,391 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 23:24:57,391 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653226153] [2021-12-06 23:24:57,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:24:57,392 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 23:24:57,392 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:24:57,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 23:24:57,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:24:57,393 INFO L87 Difference]: Start difference. First operand 149 states and 184 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-06 23:24:57,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:24:57,509 INFO L93 Difference]: Finished difference Result 310 states and 390 transitions. [2021-12-06 23:24:57,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 23:24:57,510 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 47 [2021-12-06 23:24:57,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:24:57,512 INFO L225 Difference]: With dead ends: 310 [2021-12-06 23:24:57,513 INFO L226 Difference]: Without dead ends: 168 [2021-12-06 23:24:57,514 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-06 23:24:57,515 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 181 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 23:24:57,515 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [184 Valid, 312 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 23:24:57,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2021-12-06 23:24:57,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 151. [2021-12-06 23:24:57,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 119 states have (on average 1.26890756302521) internal successors, (151), 127 states have internal predecessors, (151), 15 states have call successors, (15), 13 states have call predecessors, (15), 16 states have return successors, (20), 16 states have call predecessors, (20), 15 states have call successors, (20) [2021-12-06 23:24:57,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 186 transitions. [2021-12-06 23:24:57,534 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 186 transitions. Word has length 47 [2021-12-06 23:24:57,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:24:57,535 INFO L470 AbstractCegarLoop]: Abstraction has 151 states and 186 transitions. [2021-12-06 23:24:57,535 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-06 23:24:57,535 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 186 transitions. [2021-12-06 23:24:57,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-12-06 23:24:57,537 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:24:57,537 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:24:57,537 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 23:24:57,538 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:24:57,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:24:57,538 INFO L85 PathProgramCache]: Analyzing trace with hash 1342409359, now seen corresponding path program 1 times [2021-12-06 23:24:57,538 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:24:57,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261440641] [2021-12-06 23:24:57,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:24:57,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:24:57,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:24:57,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 23:24:57,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:24:57,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 23:24:57,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:24:57,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 23:24:57,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:24:57,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:24:57,614 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:24:57,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261440641] [2021-12-06 23:24:57,615 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261440641] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:24:57,615 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:24:57,615 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 23:24:57,615 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631829391] [2021-12-06 23:24:57,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:24:57,616 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 23:24:57,616 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:24:57,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 23:24:57,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:24:57,617 INFO L87 Difference]: Start difference. First operand 151 states and 186 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-06 23:24:57,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:24:57,763 INFO L93 Difference]: Finished difference Result 391 states and 500 transitions. [2021-12-06 23:24:57,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 23:24:57,765 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 47 [2021-12-06 23:24:57,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:24:57,768 INFO L225 Difference]: With dead ends: 391 [2021-12-06 23:24:57,768 INFO L226 Difference]: Without dead ends: 247 [2021-12-06 23:24:57,769 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-12-06 23:24:57,770 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 127 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 23:24:57,770 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 412 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 23:24:57,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2021-12-06 23:24:57,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 239. [2021-12-06 23:24:57,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 187 states have (on average 1.2513368983957218) internal successors, (234), 198 states have internal predecessors, (234), 26 states have call successors, (26), 23 states have call predecessors, (26), 25 states have return successors, (36), 26 states have call predecessors, (36), 26 states have call successors, (36) [2021-12-06 23:24:57,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 296 transitions. [2021-12-06 23:24:57,793 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 296 transitions. Word has length 47 [2021-12-06 23:24:57,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:24:57,794 INFO L470 AbstractCegarLoop]: Abstraction has 239 states and 296 transitions. [2021-12-06 23:24:57,794 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-06 23:24:57,794 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 296 transitions. [2021-12-06 23:24:57,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-12-06 23:24:57,796 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:24:57,796 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:24:57,796 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 23:24:57,796 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:24:57,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:24:57,797 INFO L85 PathProgramCache]: Analyzing trace with hash 2094412649, now seen corresponding path program 1 times [2021-12-06 23:24:57,797 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:24:57,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685679700] [2021-12-06 23:24:57,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:24:57,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:24:57,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:24:57,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 23:24:57,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:24:57,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-06 23:24:57,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:24:57,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 23:24:57,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:24:57,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-06 23:24:57,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:24:57,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:24:57,860 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:24:57,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685679700] [2021-12-06 23:24:57,860 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685679700] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:24:57,860 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:24:57,860 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 23:24:57,861 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542890268] [2021-12-06 23:24:57,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:24:57,861 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 23:24:57,861 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:24:57,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 23:24:57,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-06 23:24:57,862 INFO L87 Difference]: Start difference. First operand 239 states and 296 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-06 23:24:58,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:24:58,111 INFO L93 Difference]: Finished difference Result 573 states and 742 transitions. [2021-12-06 23:24:58,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-06 23:24:58,112 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2021-12-06 23:24:58,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:24:58,115 INFO L225 Difference]: With dead ends: 573 [2021-12-06 23:24:58,115 INFO L226 Difference]: Without dead ends: 429 [2021-12-06 23:24:58,116 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2021-12-06 23:24:58,116 INFO L933 BasicCegarLoop]: 117 mSDtfsCounter, 299 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 23:24:58,116 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [302 Valid, 439 Invalid, 394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 23:24:58,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2021-12-06 23:24:58,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 395. [2021-12-06 23:24:58,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 395 states, 309 states have (on average 1.2297734627831716) internal successors, (380), 329 states have internal predecessors, (380), 42 states have call successors, (42), 34 states have call predecessors, (42), 43 states have return successors, (69), 43 states have call predecessors, (69), 42 states have call successors, (69) [2021-12-06 23:24:58,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 491 transitions. [2021-12-06 23:24:58,143 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 491 transitions. Word has length 51 [2021-12-06 23:24:58,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:24:58,143 INFO L470 AbstractCegarLoop]: Abstraction has 395 states and 491 transitions. [2021-12-06 23:24:58,143 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-06 23:24:58,143 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 491 transitions. [2021-12-06 23:24:58,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-12-06 23:24:58,144 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:24:58,144 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:24:58,145 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-06 23:24:58,145 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:24:58,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:24:58,145 INFO L85 PathProgramCache]: Analyzing trace with hash -2115713435, now seen corresponding path program 1 times [2021-12-06 23:24:58,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:24:58,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072984363] [2021-12-06 23:24:58,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:24:58,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:24:58,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:24:58,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 23:24:58,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:24:58,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-06 23:24:58,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:24:58,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 23:24:58,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:24:58,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-06 23:24:58,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:24:58,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:24:58,202 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:24:58,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072984363] [2021-12-06 23:24:58,202 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072984363] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:24:58,203 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:24:58,203 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-06 23:24:58,203 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106988542] [2021-12-06 23:24:58,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:24:58,203 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 23:24:58,204 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:24:58,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 23:24:58,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-06 23:24:58,204 INFO L87 Difference]: Start difference. First operand 395 states and 491 transitions. Second operand has 8 states, 8 states have (on average 5.25) internal successors, (42), 6 states have internal predecessors, (42), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-06 23:24:58,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:24:58,379 INFO L93 Difference]: Finished difference Result 719 states and 894 transitions. [2021-12-06 23:24:58,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-06 23:24:58,380 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 6 states have internal predecessors, (42), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2021-12-06 23:24:58,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:24:58,383 INFO L225 Difference]: With dead ends: 719 [2021-12-06 23:24:58,383 INFO L226 Difference]: Without dead ends: 415 [2021-12-06 23:24:58,384 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2021-12-06 23:24:58,385 INFO L933 BasicCegarLoop]: 121 mSDtfsCounter, 256 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 23:24:58,385 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [261 Valid, 474 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 23:24:58,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2021-12-06 23:24:58,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 398. [2021-12-06 23:24:58,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 312 states have (on average 1.2275641025641026) internal successors, (383), 332 states have internal predecessors, (383), 42 states have call successors, (42), 34 states have call predecessors, (42), 43 states have return successors, (69), 43 states have call predecessors, (69), 42 states have call successors, (69) [2021-12-06 23:24:58,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 494 transitions. [2021-12-06 23:24:58,409 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 494 transitions. Word has length 51 [2021-12-06 23:24:58,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:24:58,410 INFO L470 AbstractCegarLoop]: Abstraction has 398 states and 494 transitions. [2021-12-06 23:24:58,410 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 6 states have internal predecessors, (42), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-06 23:24:58,410 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 494 transitions. [2021-12-06 23:24:58,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-12-06 23:24:58,411 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:24:58,411 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:24:58,411 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-06 23:24:58,411 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:24:58,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:24:58,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1960399143, now seen corresponding path program 1 times [2021-12-06 23:24:58,411 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:24:58,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764312879] [2021-12-06 23:24:58,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:24:58,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:24:58,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:24:58,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 23:24:58,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:24:58,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-06 23:24:58,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:24:58,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 23:24:58,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:24:58,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-06 23:24:58,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:24:58,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:24:58,460 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:24:58,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764312879] [2021-12-06 23:24:58,461 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764312879] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:24:58,461 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:24:58,461 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 23:24:58,461 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686470358] [2021-12-06 23:24:58,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:24:58,462 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 23:24:58,462 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:24:58,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 23:24:58,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 23:24:58,463 INFO L87 Difference]: Start difference. First operand 398 states and 494 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-06 23:24:58,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:24:58,590 INFO L93 Difference]: Finished difference Result 705 states and 879 transitions. [2021-12-06 23:24:58,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 23:24:58,590 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2021-12-06 23:24:58,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:24:58,592 INFO L225 Difference]: With dead ends: 705 [2021-12-06 23:24:58,592 INFO L226 Difference]: Without dead ends: 398 [2021-12-06 23:24:58,593 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-06 23:24:58,594 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 142 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 23:24:58,594 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [144 Valid, 389 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 23:24:58,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2021-12-06 23:24:58,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 392. [2021-12-06 23:24:58,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 308 states have (on average 1.224025974025974) internal successors, (377), 327 states have internal predecessors, (377), 41 states have call successors, (41), 33 states have call predecessors, (41), 42 states have return successors, (68), 42 states have call predecessors, (68), 41 states have call successors, (68) [2021-12-06 23:24:58,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 486 transitions. [2021-12-06 23:24:58,613 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 486 transitions. Word has length 51 [2021-12-06 23:24:58,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:24:58,614 INFO L470 AbstractCegarLoop]: Abstraction has 392 states and 486 transitions. [2021-12-06 23:24:58,614 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-06 23:24:58,614 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 486 transitions. [2021-12-06 23:24:58,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-12-06 23:24:58,615 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:24:58,615 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:24:58,615 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-06 23:24:58,615 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:24:58,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:24:58,615 INFO L85 PathProgramCache]: Analyzing trace with hash -1800767755, now seen corresponding path program 1 times [2021-12-06 23:24:58,615 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:24:58,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709384582] [2021-12-06 23:24:58,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:24:58,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:24:58,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:24:58,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 23:24:58,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:24:58,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-06 23:24:58,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:24:58,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 23:24:58,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:24:58,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-06 23:24:58,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:24:58,708 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-06 23:24:58,708 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:24:58,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709384582] [2021-12-06 23:24:58,708 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709384582] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 23:24:58,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [474371948] [2021-12-06 23:24:58,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:24:58,709 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:24:58,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_849a5556-0292-4089-b77f-f2cb5f445259/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:24:58,710 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_849a5556-0292-4089-b77f-f2cb5f445259/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:24:58,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_849a5556-0292-4089-b77f-f2cb5f445259/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 23:24:58,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:24:58,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 15 conjunts are in the unsatisfiable core [2021-12-06 23:24:58,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:24:58,934 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:24:58,934 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:24:58,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [474371948] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:24:58,935 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 23:24:58,935 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 14 [2021-12-06 23:24:58,935 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689218641] [2021-12-06 23:24:58,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:24:58,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 23:24:58,936 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:24:58,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 23:24:58,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-12-06 23:24:58,936 INFO L87 Difference]: Start difference. First operand 392 states and 486 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-06 23:24:59,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:24:59,038 INFO L93 Difference]: Finished difference Result 1145 states and 1446 transitions. [2021-12-06 23:24:59,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 23:24:59,039 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 56 [2021-12-06 23:24:59,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:24:59,043 INFO L225 Difference]: With dead ends: 1145 [2021-12-06 23:24:59,043 INFO L226 Difference]: Without dead ends: 760 [2021-12-06 23:24:59,045 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2021-12-06 23:24:59,045 INFO L933 BasicCegarLoop]: 104 mSDtfsCounter, 66 mSDsluCounter, 366 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 23:24:59,045 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [68 Valid, 470 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 23:24:59,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2021-12-06 23:24:59,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 758. [2021-12-06 23:24:59,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 758 states, 594 states have (on average 1.2121212121212122) internal successors, (720), 628 states have internal predecessors, (720), 81 states have call successors, (81), 66 states have call predecessors, (81), 82 states have return successors, (138), 82 states have call predecessors, (138), 81 states have call successors, (138) [2021-12-06 23:24:59,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 758 states and 939 transitions. [2021-12-06 23:24:59,087 INFO L78 Accepts]: Start accepts. Automaton has 758 states and 939 transitions. Word has length 56 [2021-12-06 23:24:59,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:24:59,087 INFO L470 AbstractCegarLoop]: Abstraction has 758 states and 939 transitions. [2021-12-06 23:24:59,087 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-06 23:24:59,087 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 939 transitions. [2021-12-06 23:24:59,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-12-06 23:24:59,088 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:24:59,089 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:24:59,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_849a5556-0292-4089-b77f-f2cb5f445259/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-06 23:24:59,289 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_849a5556-0292-4089-b77f-f2cb5f445259/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:24:59,289 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:24:59,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:24:59,290 INFO L85 PathProgramCache]: Analyzing trace with hash 804933449, now seen corresponding path program 1 times [2021-12-06 23:24:59,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:24:59,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560884733] [2021-12-06 23:24:59,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:24:59,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:24:59,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:24:59,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 23:24:59,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:24:59,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-06 23:24:59,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:24:59,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 23:24:59,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:24:59,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-06 23:24:59,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:24:59,339 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 23:24:59,339 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:24:59,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560884733] [2021-12-06 23:24:59,339 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560884733] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:24:59,340 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:24:59,340 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 23:24:59,340 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137040420] [2021-12-06 23:24:59,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:24:59,340 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 23:24:59,340 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:24:59,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 23:24:59,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-06 23:24:59,341 INFO L87 Difference]: Start difference. First operand 758 states and 939 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-06 23:24:59,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:24:59,575 INFO L93 Difference]: Finished difference Result 1523 states and 1884 transitions. [2021-12-06 23:24:59,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-06 23:24:59,576 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 57 [2021-12-06 23:24:59,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:24:59,581 INFO L225 Difference]: With dead ends: 1523 [2021-12-06 23:24:59,581 INFO L226 Difference]: Without dead ends: 772 [2021-12-06 23:24:59,585 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2021-12-06 23:24:59,585 INFO L933 BasicCegarLoop]: 156 mSDtfsCounter, 215 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 537 SdHoareTripleChecker+Invalid, 348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 23:24:59,586 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [218 Valid, 537 Invalid, 348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 23:24:59,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 772 states. [2021-12-06 23:24:59,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 772 to 758. [2021-12-06 23:24:59,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 758 states, 594 states have (on average 1.1952861952861953) internal successors, (710), 628 states have internal predecessors, (710), 81 states have call successors, (81), 66 states have call predecessors, (81), 82 states have return successors, (123), 82 states have call predecessors, (123), 81 states have call successors, (123) [2021-12-06 23:24:59,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 758 states and 914 transitions. [2021-12-06 23:24:59,635 INFO L78 Accepts]: Start accepts. Automaton has 758 states and 914 transitions. Word has length 57 [2021-12-06 23:24:59,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:24:59,635 INFO L470 AbstractCegarLoop]: Abstraction has 758 states and 914 transitions. [2021-12-06 23:24:59,635 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-06 23:24:59,635 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 914 transitions. [2021-12-06 23:24:59,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-12-06 23:24:59,637 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:24:59,637 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:24:59,638 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-06 23:24:59,638 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:24:59,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:24:59,638 INFO L85 PathProgramCache]: Analyzing trace with hash 1321374617, now seen corresponding path program 1 times [2021-12-06 23:24:59,638 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:24:59,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806536917] [2021-12-06 23:24:59,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:24:59,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:24:59,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:24:59,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 23:24:59,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:24:59,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 23:24:59,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:24:59,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-06 23:24:59,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:24:59,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 23:24:59,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:24:59,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-06 23:24:59,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:24:59,710 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-06 23:24:59,710 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:24:59,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806536917] [2021-12-06 23:24:59,710 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806536917] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:24:59,710 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:24:59,710 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-06 23:24:59,710 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774968508] [2021-12-06 23:24:59,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:24:59,711 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-06 23:24:59,711 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:24:59,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-06 23:24:59,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-12-06 23:24:59,711 INFO L87 Difference]: Start difference. First operand 758 states and 914 transitions. Second operand has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 7 states have internal predecessors, (49), 3 states have call successors, (6), 5 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-06 23:25:00,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:25:00,530 INFO L93 Difference]: Finished difference Result 1843 states and 2279 transitions. [2021-12-06 23:25:00,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-12-06 23:25:00,531 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 7 states have internal predecessors, (49), 3 states have call successors, (6), 5 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) Word has length 60 [2021-12-06 23:25:00,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:25:00,536 INFO L225 Difference]: With dead ends: 1843 [2021-12-06 23:25:00,536 INFO L226 Difference]: Without dead ends: 1092 [2021-12-06 23:25:00,538 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 621 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=491, Invalid=1765, Unknown=0, NotChecked=0, Total=2256 [2021-12-06 23:25:00,539 INFO L933 BasicCegarLoop]: 179 mSDtfsCounter, 415 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 1227 mSolverCounterSat, 213 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 420 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 1440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 213 IncrementalHoareTripleChecker+Valid, 1227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-06 23:25:00,539 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [420 Valid, 566 Invalid, 1440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [213 Valid, 1227 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-06 23:25:00,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2021-12-06 23:25:00,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 726. [2021-12-06 23:25:00,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 726 states, 562 states have (on average 1.1637010676156583) internal successors, (654), 596 states have internal predecessors, (654), 81 states have call successors, (81), 66 states have call predecessors, (81), 82 states have return successors, (117), 82 states have call predecessors, (117), 81 states have call successors, (117) [2021-12-06 23:25:00,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 726 states and 852 transitions. [2021-12-06 23:25:00,574 INFO L78 Accepts]: Start accepts. Automaton has 726 states and 852 transitions. Word has length 60 [2021-12-06 23:25:00,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:25:00,575 INFO L470 AbstractCegarLoop]: Abstraction has 726 states and 852 transitions. [2021-12-06 23:25:00,575 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 7 states have internal predecessors, (49), 3 states have call successors, (6), 5 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-06 23:25:00,575 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 852 transitions. [2021-12-06 23:25:00,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-12-06 23:25:00,577 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:25:00,577 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:25:00,577 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-06 23:25:00,578 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 23:25:00,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:25:00,578 INFO L85 PathProgramCache]: Analyzing trace with hash 981971162, now seen corresponding path program 1 times [2021-12-06 23:25:00,578 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:25:00,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521636830] [2021-12-06 23:25:00,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:25:00,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:25:00,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:25:00,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 23:25:00,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:25:00,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 23:25:00,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:25:00,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 23:25:00,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:25:00,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 23:25:00,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:25:00,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 23:25:00,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:25:00,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-06 23:25:00,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:25:00,643 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-06 23:25:00,643 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:25:00,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521636830] [2021-12-06 23:25:00,643 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521636830] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 23:25:00,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1951079788] [2021-12-06 23:25:00,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:25:00,643 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 23:25:00,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_849a5556-0292-4089-b77f-f2cb5f445259/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:25:00,644 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_849a5556-0292-4089-b77f-f2cb5f445259/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 23:25:00,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_849a5556-0292-4089-b77f-f2cb5f445259/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-06 23:25:00,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:25:00,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 13 conjunts are in the unsatisfiable core [2021-12-06 23:25:00,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:25:00,834 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-12-06 23:25:00,834 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 23:25:01,009 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-06 23:25:01,009 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1951079788] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 23:25:01,009 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 23:25:01,010 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 9] total 19 [2021-12-06 23:25:01,010 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960144227] [2021-12-06 23:25:01,010 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 23:25:01,010 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-12-06 23:25:01,011 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:25:01,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-12-06 23:25:01,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2021-12-06 23:25:01,011 INFO L87 Difference]: Start difference. First operand 726 states and 852 transitions. Second operand has 19 states, 19 states have (on average 7.157894736842105) internal successors, (136), 14 states have internal predecessors, (136), 7 states have call successors, (18), 10 states have call predecessors, (18), 8 states have return successors, (16), 8 states have call predecessors, (16), 7 states have call successors, (16) [2021-12-06 23:25:01,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:25:01,855 INFO L93 Difference]: Finished difference Result 1523 states and 1847 transitions. [2021-12-06 23:25:01,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-12-06 23:25:01,855 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 7.157894736842105) internal successors, (136), 14 states have internal predecessors, (136), 7 states have call successors, (18), 10 states have call predecessors, (18), 8 states have return successors, (16), 8 states have call predecessors, (16), 7 states have call successors, (16) Word has length 89 [2021-12-06 23:25:01,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:25:01,856 INFO L225 Difference]: With dead ends: 1523 [2021-12-06 23:25:01,857 INFO L226 Difference]: Without dead ends: 0 [2021-12-06 23:25:01,862 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 185 SyntacticMatches, 1 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1289 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=965, Invalid=4005, Unknown=0, NotChecked=0, Total=4970 [2021-12-06 23:25:01,863 INFO L933 BasicCegarLoop]: 151 mSDtfsCounter, 1256 mSDsluCounter, 756 mSDsCounter, 0 mSdLazyCounter, 1149 mSolverCounterSat, 577 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1256 SdHoareTripleChecker+Valid, 907 SdHoareTripleChecker+Invalid, 1726 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 577 IncrementalHoareTripleChecker+Valid, 1149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-06 23:25:01,863 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1256 Valid, 907 Invalid, 1726 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [577 Valid, 1149 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-06 23:25:01,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-06 23:25:01,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-06 23:25:01,864 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) [2021-12-06 23:25:01,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-06 23:25:01,864 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2021-12-06 23:25:01,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:25:01,864 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 23:25:01,865 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 7.157894736842105) internal successors, (136), 14 states have internal predecessors, (136), 7 states have call successors, (18), 10 states have call predecessors, (18), 8 states have return successors, (16), 8 states have call predecessors, (16), 7 states have call successors, (16) [2021-12-06 23:25:01,865 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-06 23:25:01,865 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-06 23:25:01,867 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 23:25:01,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_849a5556-0292-4089-b77f-f2cb5f445259/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-06 23:25:02,068 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_849a5556-0292-4089-b77f-f2cb5f445259/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-12-06 23:25:02,072 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-06 23:25:06,472 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 805 811) no Hoare annotation was computed. [2021-12-06 23:25:06,473 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 805 811) the Hoare annotation is: true [2021-12-06 23:25:06,473 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 596 607) the Hoare annotation is: (let ((.cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse3 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse5 (not (= ~pumpRunning~0 1))) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse4 (not (<= ~waterLevel~0 2))) (.cse7 (not (= |old(~methaneLevelCritical~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 .cse5 .cse4) (or .cse2 .cse6 .cse5 .cse4 .cse7) (or .cse1 .cse2 .cse6 .cse4 .cse7))) [2021-12-06 23:25:06,473 INFO L858 garLoopResultBuilder]: For program point L600-1(lines 596 607) no Hoare annotation was computed. [2021-12-06 23:25:06,473 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 596 607) no Hoare annotation was computed. [2021-12-06 23:25:06,473 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 608 616) the Hoare annotation is: true [2021-12-06 23:25:06,473 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 608 616) no Hoare annotation was computed. [2021-12-06 23:25:06,473 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 608 616) no Hoare annotation was computed. [2021-12-06 23:25:06,473 INFO L858 garLoopResultBuilder]: For program point L576(lines 576 580) no Hoare annotation was computed. [2021-12-06 23:25:06,473 INFO L854 garLoopResultBuilder]: At program point L576-2(lines 572 583) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse5 (and (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 1))) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= |old(~pumpRunning~0)| 1))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse5 .cse1 .cse6 .cse2 .cse3) (or .cse5 .cse1 .cse4 .cse6 .cse3))) [2021-12-06 23:25:06,474 INFO L854 garLoopResultBuilder]: At program point L853(line 853) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse5 (and (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 1))) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= |old(~pumpRunning~0)| 1))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse5 .cse1 .cse6 .cse2 .cse3) (or .cse5 .cse1 .cse4 .cse6 .cse3))) [2021-12-06 23:25:06,474 INFO L854 garLoopResultBuilder]: At program point L560(lines 555 562) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= |old(~pumpRunning~0)| 1))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse2 .cse3) (or .cse0 .cse1 .cse5 .cse3) (or .cse1 .cse5 .cse4 .cse3))) [2021-12-06 23:25:06,474 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 781 804) no Hoare annotation was computed. [2021-12-06 23:25:06,474 INFO L854 garLoopResultBuilder]: At program point L895(lines 890 897) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= |old(~pumpRunning~0)| 1))) (.cse6 (and (= ~pumpRunning~0 0) (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse1 .cse5 .cse6 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse6 .cse3))) [2021-12-06 23:25:06,474 INFO L854 garLoopResultBuilder]: At program point L668(lines 663 671) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse5 (and (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 1))) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= |old(~pumpRunning~0)| 1))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse5 .cse1 .cse6 .cse2 .cse3) (or .cse5 .cse1 .cse4 .cse6 .cse3))) [2021-12-06 23:25:06,474 INFO L854 garLoopResultBuilder]: At program point L858(line 858) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= |old(~pumpRunning~0)| 1))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse2 .cse3) (or .cse0 .cse6 .cse1 .cse3) (or .cse4 .cse5 .cse0 .cse6 .cse3))) [2021-12-06 23:25:06,474 INFO L854 garLoopResultBuilder]: At program point L858-1(lines 839 863) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0)) (.cse7 (<= ~waterLevel~0 1)) (.cse12 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse13 (= ~pumpRunning~0 1))) (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse9 (not (= |old(~pumpRunning~0)| 0))) (.cse10 (and .cse8 .cse13)) (.cse0 (and .cse7 .cse12 .cse13)) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (not (= |old(~pumpRunning~0)| 1))) (.cse4 (and .cse6 .cse7 .cse12)) (.cse11 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (and .cse6 .cse7 .cse8) .cse9 .cse1 .cse2 .cse5 .cse10) (or .cse9 (and .cse6 .cse8) .cse1 .cse11 .cse5 .cse10) (or .cse0 .cse1 .cse3 .cse4 .cse11 .cse5)))) [2021-12-06 23:25:06,475 INFO L858 garLoopResultBuilder]: For program point L792-1(lines 792 798) no Hoare annotation was computed. [2021-12-06 23:25:06,475 INFO L858 garLoopResultBuilder]: For program point L982(lines 982 986) no Hoare annotation was computed. [2021-12-06 23:25:06,475 INFO L858 garLoopResultBuilder]: For program point L693(lines 693 699) no Hoare annotation was computed. [2021-12-06 23:25:06,475 INFO L858 garLoopResultBuilder]: For program point L982-2(lines 982 986) no Hoare annotation was computed. [2021-12-06 23:25:06,475 INFO L858 garLoopResultBuilder]: For program point L689(lines 689 702) no Hoare annotation was computed. [2021-12-06 23:25:06,475 INFO L854 garLoopResultBuilder]: At program point L689-1(lines 674 706) the Hoare annotation is: (let ((.cse3 (= ~methaneLevelCritical~0 |timeShift___utac_acc__Specification3_spec__1_~tmp~4#1|)) (.cse13 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (= ~pumpRunning~0 1))) (let ((.cse2 (not (= |old(~pumpRunning~0)| 1))) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (<= |timeShift___utac_acc__Specification3_spec__1_~tmp___0~0#1| 1)) (.cse7 (<= |timeShift_getWaterLevel_#res#1| 1)) (.cse11 (not (= ~methaneLevelCritical~0 1))) (.cse12 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse9 (= ~pumpRunning~0 0)) (.cse4 (<= ~waterLevel~0 1)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse14 (and .cse3 .cse13 .cse8)) (.cse10 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse3 .cse4 .cse5 .cse6 .cse7) .cse10) (or .cse0 .cse2 (and .cse3 .cse4 .cse6 .cse8) .cse11 .cse10 (and .cse9 .cse3 .cse4 .cse6)) (or (not (<= |old(~waterLevel~0)| 1)) .cse12 (and .cse5 .cse7) .cse0 .cse1) (or .cse12 .cse0 (and .cse9 .cse3 .cse13) .cse14 .cse11 .cse10) (or .cse12 .cse0 (and .cse9 .cse3 .cse4 .cse13) .cse1 .cse14 .cse10)))) [2021-12-06 23:25:06,475 INFO L854 garLoopResultBuilder]: At program point L681(line 681) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0)) (.cse7 (<= ~waterLevel~0 1)) (.cse12 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse13 (= ~pumpRunning~0 1))) (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse9 (not (= |old(~pumpRunning~0)| 0))) (.cse10 (and .cse8 .cse13)) (.cse0 (and .cse7 .cse12 .cse13)) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (not (= |old(~pumpRunning~0)| 1))) (.cse4 (and .cse6 .cse7 .cse12)) (.cse11 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (and .cse6 .cse7 .cse8) .cse9 .cse1 .cse2 .cse5 .cse10) (or .cse9 (and .cse6 .cse8) .cse1 .cse11 .cse5 .cse10) (or .cse0 .cse1 .cse3 .cse4 .cse11 .cse5)))) [2021-12-06 23:25:06,475 INFO L858 garLoopResultBuilder]: For program point L681-1(line 681) no Hoare annotation was computed. [2021-12-06 23:25:06,475 INFO L858 garLoopResultBuilder]: For program point L785-1(lines 784 803) no Hoare annotation was computed. [2021-12-06 23:25:06,475 INFO L858 garLoopResultBuilder]: For program point L847(lines 847 855) no Hoare annotation was computed. [2021-12-06 23:25:06,476 INFO L858 garLoopResultBuilder]: For program point L843(lines 843 860) no Hoare annotation was computed. [2021-12-06 23:25:06,476 INFO L854 garLoopResultBuilder]: At program point L645(lines 640 648) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= |old(~pumpRunning~0)| 1))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse11 (= ~pumpRunning~0 1)) (.cse7 (= ~pumpRunning~0 0)) (.cse8 (= ~methaneLevelCritical~0 |timeShift___utac_acc__Specification3_spec__1_~tmp~4#1|)) (.cse9 (<= ~waterLevel~0 1)) (.cse6 (<= |timeShift_getWaterLevel_#res#1| 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse2 .cse3) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse5 (= |timeShift_getWaterLevel_#res#1| 1)) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse5 .cse6) (let ((.cse10 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 .cse1 (and .cse7 .cse8 .cse9 .cse10) .cse5 (and .cse8 .cse10 .cse11) .cse3)) (let ((.cse12 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse1 .cse5 .cse4 .cse3 (and .cse8 .cse9 .cse12 .cse6 .cse11) (and .cse7 .cse8 .cse9 .cse12 .cse6))))) [2021-12-06 23:25:06,476 INFO L854 garLoopResultBuilder]: At program point L988(lines 973 991) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse5 (and (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 1))) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= |old(~pumpRunning~0)| 1))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse5 .cse1 .cse6 .cse2 .cse3) (or .cse5 .cse1 .cse4 .cse6 .cse3))) [2021-12-06 23:25:06,476 INFO L854 garLoopResultBuilder]: At program point L914(lines 909 917) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= |old(~pumpRunning~0)| 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse2 .cse3) (or .cse1 .cse5 .cse4 .cse3) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse5) (or .cse0 .cse1 .cse5 .cse3 (and (= |timeShift_isPumpRunning_#res#1| 1) (= ~methaneLevelCritical~0 |timeShift___utac_acc__Specification3_spec__1_~tmp~4#1|) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 1))))) [2021-12-06 23:25:06,476 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 781 804) the Hoare annotation is: (let ((.cse8 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= |old(~pumpRunning~0)| 1))) (.cse6 (and .cse8 (= ~pumpRunning~0 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= ~pumpRunning~0 0) .cse8)) (.cse2 (not (= 1 ~systemActive~0))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse5 .cse3 .cse4 .cse6) (or .cse2 .cse7 .cse5 .cse4 .cse6) (or .cse0 .cse1 .cse2 .cse7 .cse4)))) [2021-12-06 23:25:06,476 INFO L858 garLoopResultBuilder]: For program point L559(line 559) no Hoare annotation was computed. [2021-12-06 23:25:06,476 INFO L858 garLoopResultBuilder]: For program point L683(lines 683 703) no Hoare annotation was computed. [2021-12-06 23:25:06,476 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 781 804) no Hoare annotation was computed. [2021-12-06 23:25:06,476 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 559) no Hoare annotation was computed. [2021-12-06 23:25:06,477 INFO L861 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2021-12-06 23:25:06,477 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2021-12-06 23:25:06,477 INFO L858 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2021-12-06 23:25:06,477 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 52 81) the Hoare annotation is: true [2021-12-06 23:25:06,477 INFO L861 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2021-12-06 23:25:06,477 INFO L861 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2021-12-06 23:25:06,477 INFO L858 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2021-12-06 23:25:06,477 INFO L861 garLoopResultBuilder]: At program point L77(lines 52 81) the Hoare annotation is: true [2021-12-06 23:25:06,477 INFO L858 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-12-06 23:25:06,477 INFO L858 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2021-12-06 23:25:06,477 INFO L858 garLoopResultBuilder]: For program point L729(lines 729 735) no Hoare annotation was computed. [2021-12-06 23:25:06,477 INFO L854 garLoopResultBuilder]: At program point L184(lines 179 187) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-06 23:25:06,478 INFO L858 garLoopResultBuilder]: For program point L729-1(lines 729 735) no Hoare annotation was computed. [2021-12-06 23:25:06,478 INFO L858 garLoopResultBuilder]: For program point L721(lines 721 725) no Hoare annotation was computed. [2021-12-06 23:25:06,478 INFO L854 garLoopResultBuilder]: At program point L176(lines 172 178) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-06 23:25:06,478 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-06 23:25:06,478 INFO L854 garLoopResultBuilder]: At program point L767(lines 718 768) the Hoare annotation is: false [2021-12-06 23:25:06,478 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-06 23:25:06,478 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-06 23:25:06,478 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2021-12-06 23:25:06,478 INFO L858 garLoopResultBuilder]: For program point L140-2(lines 140 147) no Hoare annotation was computed. [2021-12-06 23:25:06,478 INFO L854 garLoopResultBuilder]: At program point L169(lines 165 171) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-06 23:25:06,478 INFO L858 garLoopResultBuilder]: For program point L739(lines 739 745) no Hoare annotation was computed. [2021-12-06 23:25:06,478 INFO L858 garLoopResultBuilder]: For program point L739-1(lines 739 745) no Hoare annotation was computed. [2021-12-06 23:25:06,478 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-06 23:25:06,479 INFO L854 garLoopResultBuilder]: At program point L764(lines 719 766) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse3 (<= ~waterLevel~0 2)) (.cse6 (= ~pumpRunning~0 0)) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse6 .cse1 .cse5 .cse2 .cse3) (and .cse6 .cse0 (<= ~waterLevel~0 1) .cse1 .cse2))) [2021-12-06 23:25:06,479 INFO L861 garLoopResultBuilder]: At program point L124(lines 117 126) the Hoare annotation is: true [2021-12-06 23:25:06,479 INFO L854 garLoopResultBuilder]: At program point L731(line 731) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse3 (<= ~waterLevel~0 2)) (.cse6 (= ~pumpRunning~0 0)) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse6 .cse1 .cse5 .cse2 .cse3) (and .cse6 .cse0 (<= ~waterLevel~0 1) .cse1 .cse2))) [2021-12-06 23:25:06,479 INFO L861 garLoopResultBuilder]: At program point L149(lines 130 152) the Hoare annotation is: true [2021-12-06 23:25:06,479 INFO L858 garLoopResultBuilder]: For program point L757(lines 757 761) no Hoare annotation was computed. [2021-12-06 23:25:06,479 INFO L854 garLoopResultBuilder]: At program point L757-2(lines 749 762) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 1)) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse6 .cse0 .cse1 .cse2 .cse3) (and .cse6 .cse1 .cse5 .cse2 .cse3))) [2021-12-06 23:25:06,479 INFO L854 garLoopResultBuilder]: At program point L113(lines 109 115) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-06 23:25:06,479 INFO L858 garLoopResultBuilder]: For program point L720(lines 719 766) no Hoare annotation was computed. [2021-12-06 23:25:06,479 INFO L858 garLoopResultBuilder]: For program point L749(lines 749 762) no Hoare annotation was computed. [2021-12-06 23:25:06,479 INFO L854 garLoopResultBuilder]: At program point L741(line 741) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 1)) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse6 .cse0 .cse1 .cse2 .cse3) (and .cse6 .cse1 .cse5 .cse2 .cse3))) [2021-12-06 23:25:06,480 INFO L854 garLoopResultBuilder]: At program point L997(lines 992 999) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 1)) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse6 .cse0 .cse1 .cse2 .cse3) (and .cse6 .cse1 .cse5 .cse2 .cse3))) [2021-12-06 23:25:06,480 INFO L861 garLoopResultBuilder]: At program point L770(lines 709 774) the Hoare annotation is: true [2021-12-06 23:25:06,480 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 813 837) the Hoare annotation is: (let ((.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (= ~pumpRunning~0 0)) (.cse8 (not (<= ~waterLevel~0 2))) (.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 1 ~systemActive~0))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= |old(~pumpRunning~0)| 1))) (.cse3 (not (<= ~waterLevel~0 1))) (.cse4 (= ~pumpRunning~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse0 .cse7 .cse8) (or .cse5 .cse6 .cse0 .cse8 .cse2) (or .cse0 .cse7 .cse1 .cse3 .cse4))) [2021-12-06 23:25:06,480 INFO L854 garLoopResultBuilder]: At program point L832(line 832) the Hoare annotation is: (let ((.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (not (<= ~waterLevel~0 2))) (.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 1 ~systemActive~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= |old(~pumpRunning~0)| 1))) (.cse3 (not (<= ~waterLevel~0 1))) (.cse4 (= ~pumpRunning~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 .cse7) (or .cse5 .cse0 .cse7 .cse2) (or .cse0 .cse6 .cse1 .cse3 .cse4))) [2021-12-06 23:25:06,480 INFO L858 garLoopResultBuilder]: For program point L832-1(lines 813 837) no Hoare annotation was computed. [2021-12-06 23:25:06,480 INFO L858 garLoopResultBuilder]: For program point L880(lines 880 886) no Hoare annotation was computed. [2021-12-06 23:25:06,480 INFO L854 garLoopResultBuilder]: At program point L880-2(lines 873 889) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 1))) (let ((.cse9 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (not (<= ~waterLevel~0 2))) (.cse5 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) (.cse6 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~9#1| 0)) (.cse7 (= ~pumpRunning~0 1)) (.cse4 (not (= 1 ~systemActive~0))) (.cse12 (not (= ~methaneLevelCritical~0 0))) (.cse10 (not (= |old(~pumpRunning~0)| 1))) (.cse11 (not .cse3))) (and (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= ~pumpRunning~0 0))) (or .cse0 (and .cse1 .cse2 .cse3) .cse4 (and .cse5 .cse6 .cse7) (and .cse1 .cse2 .cse5 .cse6) (and .cse3 .cse7) .cse8 .cse9)) (or .cse4 .cse10 .cse9 .cse11) (let ((.cse13 (= |processEnvironment__wrappee__highWaterSensor_isMethaneAlarm_#res#1| ~methaneLevelCritical~0)) (.cse14 (= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_activatePump_~tmp~8#1|))) (or .cse0 .cse4 .cse12 (and .cse3 .cse13 .cse14 .cse7) .cse8 (and .cse13 .cse14 .cse5 .cse6 .cse7))) (or .cse4 .cse12 .cse10 .cse11)))) [2021-12-06 23:25:06,480 INFO L858 garLoopResultBuilder]: For program point L653(lines 653 659) no Hoare annotation was computed. [2021-12-06 23:25:06,480 INFO L854 garLoopResultBuilder]: At program point L969(lines 954 972) the Hoare annotation is: (let ((.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse10 (= ~pumpRunning~0 0)) (.cse11 (<= ~waterLevel~0 1))) (let ((.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= |old(~pumpRunning~0)| 1))) (.cse3 (not .cse11)) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (and .cse9 .cse10 .cse11)) (.cse0 (not (= 1 ~systemActive~0))) (.cse6 (and .cse9 .cse10 (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~2#1|) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~9#1| 0))) (.cse8 (not (<= ~waterLevel~0 2))) (.cse2 (not (= ~methaneLevelCritical~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse6 .cse7 .cse8) (or .cse0 .cse7 .cse1 .cse3) (or .cse4 .cse5 .cse0 .cse6 .cse8 .cse2)))) [2021-12-06 23:25:06,481 INFO L854 garLoopResultBuilder]: At program point L905(lines 898 908) the Hoare annotation is: (let ((.cse9 (= 1 ~systemActive~0)) (.cse6 (<= ~waterLevel~0 1))) (let ((.cse12 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= |old(~pumpRunning~0)| 1))) (.cse3 (not .cse6)) (.cse8 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not .cse9)) (.cse13 (not (<= ~waterLevel~0 2))) (.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (= ~pumpRunning~0 0)) (.cse10 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) (.cse11 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~9#1| 0))) (and (or .cse0 .cse1 .cse2 .cse3) (let ((.cse7 (= |processEnvironment__wrappee__highWaterSensor_isMethaneAlarm_#res#1| ~methaneLevelCritical~0))) (or (and .cse4 .cse5 .cse6 .cse7) .cse8 .cse0 (and .cse4 .cse5 .cse9 .cse7 .cse10 .cse11) .cse12 .cse13)) (or .cse0 .cse12 .cse1 .cse3) (or .cse8 (and .cse4 .cse5 .cse6) .cse0 .cse13 .cse2 (and .cse4 .cse5 .cse9 .cse10 .cse11))))) [2021-12-06 23:25:06,481 INFO L854 garLoopResultBuilder]: At program point L903(line 903) the Hoare annotation is: (let ((.cse11 (= 1 ~systemActive~0)) (.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse10 (= ~pumpRunning~0 0)) (.cse12 (<= ~waterLevel~0 1))) (let ((.cse1 (not (= |old(~pumpRunning~0)| 1))) (.cse3 (not .cse12)) (.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (and .cse9 .cse10 .cse12)) (.cse0 (not .cse11)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (<= ~waterLevel~0 2))) (.cse8 (and .cse9 .cse10 .cse11 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~9#1| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse3) (or .cse5 .cse6 .cse0 .cse7 .cse2 .cse8) (or .cse5 .cse6 .cse0 .cse4 .cse7 .cse8)))) [2021-12-06 23:25:06,481 INFO L858 garLoopResultBuilder]: For program point L903-1(line 903) no Hoare annotation was computed. [2021-12-06 23:25:06,481 INFO L858 garLoopResultBuilder]: For program point L963(lines 963 967) no Hoare annotation was computed. [2021-12-06 23:25:06,481 INFO L858 garLoopResultBuilder]: For program point L963-2(lines 963 967) no Hoare annotation was computed. [2021-12-06 23:25:06,481 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 813 837) no Hoare annotation was computed. [2021-12-06 23:25:06,481 INFO L854 garLoopResultBuilder]: At program point L827(line 827) the Hoare annotation is: (let ((.cse8 (<= ~waterLevel~0 1))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0) .cse8)) (.cse4 (not (<= ~waterLevel~0 2))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= |old(~pumpRunning~0)| 1))) (.cse7 (not .cse8))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse5 .cse6 .cse7) (or .cse0 .cse1 .cse2 .cse4 .cse6) (or .cse2 .cse3 .cse5 .cse7)))) [2021-12-06 23:25:06,481 INFO L858 garLoopResultBuilder]: For program point L821(lines 821 829) no Hoare annotation was computed. [2021-12-06 23:25:06,481 INFO L854 garLoopResultBuilder]: At program point L658(lines 649 662) the Hoare annotation is: (let ((.cse13 (= ~methaneLevelCritical~0 0)) (.cse10 (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1|)) (.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse12 (= ~pumpRunning~0 0)) (.cse14 (<= ~waterLevel~0 1)) (.cse15 (= 1 ~systemActive~0)) (.cse16 (= ~methaneLevelCritical~0 1))) (let ((.cse5 (and .cse10 .cse11 .cse12 .cse14 .cse15 .cse16)) (.cse8 (not .cse16)) (.cse9 (not (= |old(~pumpRunning~0)| 1))) (.cse4 (not .cse14)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not .cse15)) (.cse6 (and .cse12 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0))) (.cse2 (not .cse13)) (.cse7 (not (<= ~waterLevel~0 2))) (.cse3 (and .cse10 .cse11 .cse12 .cse13 .cse14 .cse15))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse6 .cse7 .cse8) (or .cse0 .cse5 .cse1 .cse8 .cse4) (or .cse1 .cse9 .cse8 .cse4) (or .cse1 .cse2 .cse9 .cse4) (or .cse0 .cse1 .cse6 .cse2 .cse7 .cse3)))) [2021-12-06 23:25:06,481 INFO L858 garLoopResultBuilder]: For program point L817(lines 817 834) no Hoare annotation was computed. [2021-12-06 23:25:06,482 INFO L854 garLoopResultBuilder]: At program point L869(lines 864 871) the Hoare annotation is: (let ((.cse5 (<= ~waterLevel~0 1))) (let ((.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (<= ~waterLevel~0 2))) (.cse2 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) (.cse3 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~9#1| 0)) (.cse4 (= ~pumpRunning~0 1)) (.cse1 (not (= 1 ~systemActive~0))) (.cse10 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (= |old(~pumpRunning~0)| 1))) (.cse9 (not .cse5))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4) (and .cse5 .cse4) .cse6 .cse7) (or .cse1 .cse8 .cse7 .cse9) (let ((.cse11 (= |processEnvironment__wrappee__highWaterSensor_isMethaneAlarm_#res#1| ~methaneLevelCritical~0)) (.cse12 (= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_activatePump_~tmp~8#1|))) (or .cse0 .cse1 .cse10 (and .cse5 .cse11 .cse12 .cse4) .cse6 (and .cse11 .cse12 .cse2 .cse3 .cse4))) (or .cse1 .cse10 .cse8 .cse9)))) [2021-12-06 23:25:06,482 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 584 595) no Hoare annotation was computed. [2021-12-06 23:25:06,482 INFO L858 garLoopResultBuilder]: For program point L588-1(lines 584 595) no Hoare annotation was computed. [2021-12-06 23:25:06,482 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 584 595) the Hoare annotation is: (let ((.cse5 (not (= ~pumpRunning~0 0))) (.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 1 ~systemActive~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= ~pumpRunning~0 1))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (<= |old(~waterLevel~0)| 1)) .cse5 .cse0 .cse6 .cse3) (or .cse5 .cse0 .cse2 .cse3 .cse4) (or .cse0 .cse6 .cse1 .cse3 .cse4))) [2021-12-06 23:25:06,484 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:25:06,485 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 23:25:06,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 11:25:06 BoogieIcfgContainer [2021-12-06 23:25:06,514 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 23:25:06,514 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 23:25:06,515 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 23:25:06,515 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 23:25:06,515 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:24:56" (3/4) ... [2021-12-06 23:25:06,517 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-06 23:25:06,522 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-06 23:25:06,522 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-06 23:25:06,522 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-12-06 23:25:06,522 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-06 23:25:06,522 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-06 23:25:06,522 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2021-12-06 23:25:06,522 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-06 23:25:06,529 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2021-12-06 23:25:06,530 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-06 23:25:06,530 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-06 23:25:06,531 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-06 23:25:06,531 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-06 23:25:06,531 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 23:25:06,532 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 23:25:06,549 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && ((((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2))) && ((((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2)) [2021-12-06 23:25:06,549 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2)) && (((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) || (\old(waterLevel) == waterLevel && pumpRunning == 1))) && (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) || (\old(waterLevel) == waterLevel && pumpRunning == 1))) && (((((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) [2021-12-06 23:25:06,550 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || (((((methaneLevelCritical == tmp && waterLevel <= 1) && tmp___0 <= 1) && waterLevel <= \old(waterLevel)) && \result <= 1) && pumpRunning == 1)) || (((((pumpRunning == 0 && methaneLevelCritical == tmp) && waterLevel <= 1) && tmp___0 <= 1) && waterLevel <= \old(waterLevel)) && \result <= 1)) || !(\old(waterLevel) <= 2)) && (((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || (((methaneLevelCritical == tmp && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && pumpRunning == 1)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) || (((pumpRunning == 0 && methaneLevelCritical == tmp) && waterLevel <= 1) && waterLevel <= \old(waterLevel)))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (tmp___0 <= 1 && \result <= 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && methaneLevelCritical == tmp) && \old(waterLevel) == waterLevel)) || ((methaneLevelCritical == tmp && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((pumpRunning == 0 && methaneLevelCritical == tmp) && waterLevel <= 1) && \old(waterLevel) == waterLevel)) || !(methaneLevelCritical == 0)) || ((methaneLevelCritical == tmp && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || !(\old(waterLevel) <= 2)) [2021-12-06 23:25:06,550 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(waterLevel <= 1)) && ((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && \result == methaneLevelCritical) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 == systemActive) && \result == methaneLevelCritical) && \result == 0) && tmp == 0)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2))) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(waterLevel <= 1))) && (((((!(\old(pumpRunning) == 0) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1)) || !(1 == systemActive)) || !(waterLevel <= 2)) || !(methaneLevelCritical == 1)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 == systemActive) && \result == 0) && tmp == 0)) [2021-12-06 23:25:06,550 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && ((((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2))) && ((((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2)) [2021-12-06 23:25:06,551 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) && (((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2))) && ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || \result == 1)) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || \result <= 1)) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((pumpRunning == 0 && methaneLevelCritical == tmp) && waterLevel <= 1) && \old(waterLevel) == waterLevel)) || !(methaneLevelCritical == 0)) || ((methaneLevelCritical == tmp && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || !(\old(waterLevel) <= 2))) && (((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2)) || ((((methaneLevelCritical == tmp && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && \result <= 1) && pumpRunning == 1)) || ((((pumpRunning == 0 && methaneLevelCritical == tmp) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && \result <= 1)) [2021-12-06 23:25:06,551 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (((((1 <= \result && pumpRunning == \old(pumpRunning)) && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive)) || !(waterLevel <= 1)) && (((((!(\old(pumpRunning) == 0) || (((((1 <= \result && pumpRunning == \old(pumpRunning)) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1)) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0)) || !(waterLevel <= 2)) || !(methaneLevelCritical == 1))) && ((((!(\old(pumpRunning) == 0) || (((((1 <= \result && pumpRunning == \old(pumpRunning)) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || !(waterLevel <= 1))) && (((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(waterLevel <= 1))) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(waterLevel <= 1))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2)) || (((((1 <= \result && pumpRunning == \old(pumpRunning)) && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive)) [2021-12-06 23:25:06,551 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(\old(pumpRunning) == 0) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1)) || !(1 == systemActive)) || ((\result == 0 && tmp == 0) && pumpRunning == 1)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \result == 0) && tmp == 0)) || (waterLevel <= 1 && pumpRunning == 1)) || !(waterLevel <= 2)) || !(methaneLevelCritical == 1)) && (((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(waterLevel <= 1))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (((waterLevel <= 1 && \result == methaneLevelCritical) && methaneLevelCritical == tmp) && pumpRunning == 1)) || !(waterLevel <= 2)) || ((((\result == methaneLevelCritical && methaneLevelCritical == tmp) && \result == 0) && tmp == 0) && pumpRunning == 1))) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(waterLevel <= 1)) [2021-12-06 23:25:06,551 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((\result == 0 && tmp == 0) && pumpRunning == 1)) || (waterLevel <= 1 && pumpRunning == 1)) || !(waterLevel <= 2)) || !(methaneLevelCritical == 1)) && (((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(waterLevel <= 1))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (((waterLevel <= 1 && \result == methaneLevelCritical) && methaneLevelCritical == tmp) && pumpRunning == 1)) || !(waterLevel <= 2)) || ((((\result == methaneLevelCritical && methaneLevelCritical == tmp) && \result == 0) && tmp == 0) && pumpRunning == 1))) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(waterLevel <= 1)) [2021-12-06 23:25:06,551 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && ((((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2))) && ((((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2)) [2021-12-06 23:25:06,551 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) && (((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2))) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) || (((\result == 1 && methaneLevelCritical == tmp) && \old(waterLevel) == waterLevel) && pumpRunning == 1)) [2021-12-06 23:25:06,552 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(waterLevel <= 1)) && (((((!(\old(pumpRunning) == 0) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1)) || !(1 == systemActive)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 <= tmp___0) && 1 <= \result) && \result == 0) && tmp == 0)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2))) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(waterLevel <= 1))) && (((((!(\old(pumpRunning) == 0) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1)) || !(1 == systemActive)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 <= tmp___0) && 1 <= \result) && \result == 0) && tmp == 0)) || !(waterLevel <= 2)) || !(methaneLevelCritical == 1)) [2021-12-06 23:25:06,552 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2)) [2021-12-06 23:25:06,552 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) && (((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2)) [2021-12-06 23:25:06,577 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_849a5556-0292-4089-b77f-f2cb5f445259/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 23:25:06,577 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 23:25:06,578 INFO L158 Benchmark]: Toolchain (without parser) took 10762.60ms. Allocated memory was 104.9MB in the beginning and 127.9MB in the end (delta: 23.1MB). Free memory was 81.6MB in the beginning and 98.6MB in the end (delta: -17.1MB). Peak memory consumption was 78.8MB. Max. memory is 16.1GB. [2021-12-06 23:25:06,578 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 73.4MB. Free memory is still 43.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 23:25:06,578 INFO L158 Benchmark]: CACSL2BoogieTranslator took 303.21ms. Allocated memory is still 104.9MB. Free memory was 81.3MB in the beginning and 62.3MB in the end (delta: 19.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-12-06 23:25:06,579 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.62ms. Allocated memory is still 104.9MB. Free memory was 62.3MB in the beginning and 59.6MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-06 23:25:06,579 INFO L158 Benchmark]: Boogie Preprocessor took 31.45ms. Allocated memory is still 104.9MB. Free memory was 59.6MB in the beginning and 58.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 23:25:06,579 INFO L158 Benchmark]: RCFGBuilder took 380.43ms. Allocated memory is still 104.9MB. Free memory was 58.1MB in the beginning and 77.5MB in the end (delta: -19.4MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2021-12-06 23:25:06,580 INFO L158 Benchmark]: TraceAbstraction took 9928.51ms. Allocated memory was 104.9MB in the beginning and 127.9MB in the end (delta: 23.1MB). Free memory was 77.0MB in the beginning and 34.5MB in the end (delta: 42.5MB). Peak memory consumption was 73.6MB. Max. memory is 16.1GB. [2021-12-06 23:25:06,580 INFO L158 Benchmark]: Witness Printer took 62.53ms. Allocated memory is still 127.9MB. Free memory was 34.5MB in the beginning and 98.6MB in the end (delta: -64.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-06 23:25:06,582 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 73.4MB. Free memory is still 43.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 303.21ms. Allocated memory is still 104.9MB. Free memory was 81.3MB in the beginning and 62.3MB in the end (delta: 19.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.62ms. Allocated memory is still 104.9MB. Free memory was 62.3MB in the beginning and 59.6MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.45ms. Allocated memory is still 104.9MB. Free memory was 59.6MB in the beginning and 58.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 380.43ms. Allocated memory is still 104.9MB. Free memory was 58.1MB in the beginning and 77.5MB in the end (delta: -19.4MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. * TraceAbstraction took 9928.51ms. Allocated memory was 104.9MB in the beginning and 127.9MB in the end (delta: 23.1MB). Free memory was 77.0MB in the beginning and 34.5MB in the end (delta: 42.5MB). Peak memory consumption was 73.6MB. Max. memory is 16.1GB. * Witness Printer took 62.53ms. Allocated memory is still 127.9MB. Free memory was 34.5MB in the beginning and 98.6MB in the end (delta: -64.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 559]: 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 8 procedures, 94 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.9s, OverallIterations: 13, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3280 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3247 mSDsluCounter, 5215 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3608 mSDsCounter, 1166 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3774 IncrementalHoareTripleChecker+Invalid, 4940 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1166 mSolverCounterUnsat, 1607 mSDtfsCounter, 3774 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 550 GetRequests, 345 SyntacticMatches, 1 SemanticMatches, 204 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2027 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=758occurred in iteration=10, InterpolantAutomatonStates: 181, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 470 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 2137 PreInvPairs, 2513 NumberOfFragments, 3053 HoareAnnotationTreeSize, 2137 FomulaSimplifications, 849 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 44 FomulaSimplificationsInter, 31612 FormulaSimplificationTreeSizeReductionInter, 3.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 777 NumberOfCodeBlocks, 777 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 850 ConstructedInterpolants, 0 QuantifiedInterpolants, 1680 SizeOfPredicates, 8 NumberOfNonLiveVariables, 837 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 73/93 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 1 specifications checked. All of them hold - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) && (((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: ((((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (((((1 <= \result && pumpRunning == \old(pumpRunning)) && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive)) || !(waterLevel <= 1)) && (((((!(\old(pumpRunning) == 0) || (((((1 <= \result && pumpRunning == \old(pumpRunning)) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1)) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0)) || !(waterLevel <= 2)) || !(methaneLevelCritical == 1))) && ((((!(\old(pumpRunning) == 0) || (((((1 <= \result && pumpRunning == \old(pumpRunning)) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || !(waterLevel <= 1))) && (((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(waterLevel <= 1))) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(waterLevel <= 1))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2)) || (((((1 <= \result && pumpRunning == \old(pumpRunning)) && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive)) - InvariantResult [Line: 864]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((\result == 0 && tmp == 0) && pumpRunning == 1)) || (waterLevel <= 1 && pumpRunning == 1)) || !(waterLevel <= 2)) || !(methaneLevelCritical == 1)) && (((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(waterLevel <= 1))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (((waterLevel <= 1 && \result == methaneLevelCritical) && methaneLevelCritical == tmp) && pumpRunning == 1)) || !(waterLevel <= 2)) || ((((\result == methaneLevelCritical && methaneLevelCritical == tmp) && \result == 0) && tmp == 0) && pumpRunning == 1))) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(waterLevel <= 1)) - InvariantResult [Line: 718]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 973]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && ((((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2))) && ((((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: ((((((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || (((((methaneLevelCritical == tmp && waterLevel <= 1) && tmp___0 <= 1) && waterLevel <= \old(waterLevel)) && \result <= 1) && pumpRunning == 1)) || (((((pumpRunning == 0 && methaneLevelCritical == tmp) && waterLevel <= 1) && tmp___0 <= 1) && waterLevel <= \old(waterLevel)) && \result <= 1)) || !(\old(waterLevel) <= 2)) && (((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || (((methaneLevelCritical == tmp && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && pumpRunning == 1)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) || (((pumpRunning == 0 && methaneLevelCritical == tmp) && waterLevel <= 1) && waterLevel <= \old(waterLevel)))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (tmp___0 <= 1 && \result <= 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && methaneLevelCritical == tmp) && \old(waterLevel) == waterLevel)) || ((methaneLevelCritical == tmp && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((pumpRunning == 0 && methaneLevelCritical == tmp) && waterLevel <= 1) && \old(waterLevel) == waterLevel)) || !(methaneLevelCritical == 0)) || ((methaneLevelCritical == tmp && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == 0 && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 1) || ((((1 == systemActive && methaneLevelCritical == 1) && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 1)) || ((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2)) || ((((pumpRunning == 0 && 1 == systemActive) && methaneLevelCritical == 1) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: (((((((((!(\old(pumpRunning) == 0) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1)) || !(1 == systemActive)) || ((\result == 0 && tmp == 0) && pumpRunning == 1)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \result == 0) && tmp == 0)) || (waterLevel <= 1 && pumpRunning == 1)) || !(waterLevel <= 2)) || !(methaneLevelCritical == 1)) && (((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(waterLevel <= 1))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (((waterLevel <= 1 && \result == methaneLevelCritical) && methaneLevelCritical == tmp) && pumpRunning == 1)) || !(waterLevel <= 2)) || ((((\result == methaneLevelCritical && methaneLevelCritical == tmp) && \result == 0) && tmp == 0) && pumpRunning == 1))) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(waterLevel <= 1)) - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(waterLevel <= 1)) && ((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && \result == methaneLevelCritical) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 == systemActive) && \result == methaneLevelCritical) && \result == 0) && tmp == 0)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2))) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(waterLevel <= 1))) && (((((!(\old(pumpRunning) == 0) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1)) || !(1 == systemActive)) || !(waterLevel <= 2)) || !(methaneLevelCritical == 1)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 == systemActive) && \result == 0) && tmp == 0)) - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: (((((((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2)) && (((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) || (\old(waterLevel) == waterLevel && pumpRunning == 1))) && (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) || (\old(waterLevel) == waterLevel && pumpRunning == 1))) && (((((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) && (((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2))) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) || (((\result == 1 && methaneLevelCritical == tmp) && \old(waterLevel) == waterLevel) && pumpRunning == 1)) - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 663]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && ((((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2))) && ((((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 572]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && ((((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2))) && ((((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == 0 && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 1) || ((((1 == systemActive && methaneLevelCritical == 1) && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 1)) || ((((pumpRunning == 0 && 1 == systemActive) && methaneLevelCritical == 1) && splverifierCounter == 0) && waterLevel <= 2)) || ((((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(waterLevel <= 1)) && (((((!(\old(pumpRunning) == 0) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1)) || !(1 == systemActive)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 <= tmp___0) && 1 <= \result) && \result == 0) && tmp == 0)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2))) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(waterLevel <= 1))) && (((((!(\old(pumpRunning) == 0) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1)) || !(1 == systemActive)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 <= tmp___0) && 1 <= \result) && \result == 0) && tmp == 0)) || !(waterLevel <= 2)) || !(methaneLevelCritical == 1)) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) && (((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2))) && ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || \result == 1)) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || \result <= 1)) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((pumpRunning == 0 && methaneLevelCritical == tmp) && waterLevel <= 1) && \old(waterLevel) == waterLevel)) || !(methaneLevelCritical == 0)) || ((methaneLevelCritical == tmp && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || !(\old(waterLevel) <= 2))) && (((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2)) || ((((methaneLevelCritical == tmp && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && \result <= 1) && pumpRunning == 1)) || ((((pumpRunning == 0 && methaneLevelCritical == tmp) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && \result <= 1)) RESULT: Ultimate proved your program to be correct! [2021-12-06 23:25:06,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_849a5556-0292-4089-b77f-f2cb5f445259/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE