./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product42.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_b6534d8c-b142-4b77-b18b-2fca0687a4e7/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6534d8c-b142-4b77-b18b-2fca0687a4e7/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_b6534d8c-b142-4b77-b18b-2fca0687a4e7/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6534d8c-b142-4b77-b18b-2fca0687a4e7/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6534d8c-b142-4b77-b18b-2fca0687a4e7/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_b6534d8c-b142-4b77-b18b-2fca0687a4e7/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 449370313253a0d5d7b509b2cd15e912fe8e85dcb7140575e7078385cf7fc6cf --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 21:01:55,431 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 21:01:55,433 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 21:01:55,462 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 21:01:55,463 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 21:01:55,464 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 21:01:55,465 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 21:01:55,467 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 21:01:55,468 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 21:01:55,469 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 21:01:55,470 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 21:01:55,471 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 21:01:55,471 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 21:01:55,472 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 21:01:55,473 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 21:01:55,474 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 21:01:55,475 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 21:01:55,476 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 21:01:55,477 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 21:01:55,479 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 21:01:55,481 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 21:01:55,482 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 21:01:55,483 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 21:01:55,483 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 21:01:55,486 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 21:01:55,486 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 21:01:55,487 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 21:01:55,487 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 21:01:55,488 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 21:01:55,489 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 21:01:55,489 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 21:01:55,490 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 21:01:55,490 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 21:01:55,491 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 21:01:55,491 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 21:01:55,492 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 21:01:55,492 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 21:01:55,492 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 21:01:55,492 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 21:01:55,493 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 21:01:55,493 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 21:01:55,494 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6534d8c-b142-4b77-b18b-2fca0687a4e7/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 21:01:55,511 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 21:01:55,511 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 21:01:55,511 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 21:01:55,511 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 21:01:55,512 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 21:01:55,512 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 21:01:55,513 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 21:01:55,513 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 21:01:55,513 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 21:01:55,513 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 21:01:55,513 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 21:01:55,513 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 21:01:55,513 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 21:01:55,513 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 21:01:55,513 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 21:01:55,514 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 21:01:55,514 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 21:01:55,514 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 21:01:55,514 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 21:01:55,514 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 21:01:55,514 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 21:01:55,514 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 21:01:55,514 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 21:01:55,514 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 21:01:55,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 21:01:55,515 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 21:01:55,515 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 21:01:55,515 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 21:01:55,515 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 21:01:55,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 21:01:55,515 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 21:01:55,515 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 21:01:55,515 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 21:01:55,516 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 21:01:55,516 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_b6534d8c-b142-4b77-b18b-2fca0687a4e7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6534d8c-b142-4b77-b18b-2fca0687a4e7/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 449370313253a0d5d7b509b2cd15e912fe8e85dcb7140575e7078385cf7fc6cf [2021-12-06 21:01:55,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 21:01:55,718 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 21:01:55,719 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 21:01:55,720 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 21:01:55,721 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 21:01:55,722 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6534d8c-b142-4b77-b18b-2fca0687a4e7/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c [2021-12-06 21:01:55,767 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6534d8c-b142-4b77-b18b-2fca0687a4e7/bin/uautomizer-DrprNOufMa/data/f23781298/67580fbb6b614016a298891f70cf8517/FLAGeca396b14 [2021-12-06 21:01:56,190 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 21:01:56,191 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6534d8c-b142-4b77-b18b-2fca0687a4e7/sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c [2021-12-06 21:01:56,201 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6534d8c-b142-4b77-b18b-2fca0687a4e7/bin/uautomizer-DrprNOufMa/data/f23781298/67580fbb6b614016a298891f70cf8517/FLAGeca396b14 [2021-12-06 21:01:56,213 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6534d8c-b142-4b77-b18b-2fca0687a4e7/bin/uautomizer-DrprNOufMa/data/f23781298/67580fbb6b614016a298891f70cf8517 [2021-12-06 21:01:56,215 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 21:01:56,216 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 21:01:56,218 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 21:01:56,218 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 21:01:56,221 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 21:01:56,221 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 09:01:56" (1/1) ... [2021-12-06 21:01:56,222 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dece8f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:01:56, skipping insertion in model container [2021-12-06 21:01:56,222 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 09:01:56" (1/1) ... [2021-12-06 21:01:56,228 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 21:01:56,258 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 21:01:56,417 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_b6534d8c-b142-4b77-b18b-2fca0687a4e7/sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c[7477,7490] [2021-12-06 21:01:56,453 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 21:01:56,460 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 21:01:56,485 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_b6534d8c-b142-4b77-b18b-2fca0687a4e7/sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c[7477,7490] [2021-12-06 21:01:56,506 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 21:01:56,519 INFO L208 MainTranslator]: Completed translation [2021-12-06 21:01:56,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:01:56 WrapperNode [2021-12-06 21:01:56,520 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 21:01:56,520 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 21:01:56,520 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 21:01:56,521 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 21:01:56,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:01:56" (1/1) ... [2021-12-06 21:01:56,539 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:01:56" (1/1) ... [2021-12-06 21:01:56,564 INFO L137 Inliner]: procedures = 54, calls = 153, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 249 [2021-12-06 21:01:56,565 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 21:01:56,565 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 21:01:56,566 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 21:01:56,566 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 21:01:56,574 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:01:56" (1/1) ... [2021-12-06 21:01:56,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:01:56" (1/1) ... [2021-12-06 21:01:56,578 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:01:56" (1/1) ... [2021-12-06 21:01:56,578 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:01:56" (1/1) ... [2021-12-06 21:01:56,584 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:01:56" (1/1) ... [2021-12-06 21:01:56,589 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:01:56" (1/1) ... [2021-12-06 21:01:56,591 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:01:56" (1/1) ... [2021-12-06 21:01:56,593 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 21:01:56,594 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 21:01:56,594 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 21:01:56,595 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 21:01:56,595 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:01:56" (1/1) ... [2021-12-06 21:01:56,602 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 21:01:56,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6534d8c-b142-4b77-b18b-2fca0687a4e7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:01:56,622 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6534d8c-b142-4b77-b18b-2fca0687a4e7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 21:01:56,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6534d8c-b142-4b77-b18b-2fca0687a4e7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 21:01:56,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 21:01:56,652 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-06 21:01:56,652 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-06 21:01:56,652 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-12-06 21:01:56,652 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-12-06 21:01:56,652 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-06 21:01:56,652 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-06 21:01:56,652 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-06 21:01:56,652 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-06 21:01:56,652 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-06 21:01:56,653 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-06 21:01:56,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 21:01:56,653 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-06 21:01:56,653 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-06 21:01:56,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 21:01:56,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 21:01:56,708 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 21:01:56,709 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 21:01:56,919 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 21:01:56,924 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 21:01:56,924 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-06 21:01:56,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 09:01:56 BoogieIcfgContainer [2021-12-06 21:01:56,926 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 21:01:56,927 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 21:01:56,927 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 21:01:56,930 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 21:01:56,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 09:01:56" (1/3) ... [2021-12-06 21:01:56,930 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f44c223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 09:01:56, skipping insertion in model container [2021-12-06 21:01:56,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:01:56" (2/3) ... [2021-12-06 21:01:56,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f44c223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 09:01:56, skipping insertion in model container [2021-12-06 21:01:56,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 09:01:56" (3/3) ... [2021-12-06 21:01:56,932 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product42.cil.c [2021-12-06 21:01:56,936 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 21:01:56,936 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 21:01:56,970 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 21:01:56,975 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 21:01:56,975 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 21:01:56,988 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 64 states have (on average 1.390625) internal successors, (89), 70 states have internal predecessors, (89), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2021-12-06 21:01:56,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-12-06 21:01:56,993 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:01:56,994 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 21:01:56,994 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:01:56,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:01:56,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1617756963, now seen corresponding path program 1 times [2021-12-06 21:01:57,005 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:01:57,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531908810] [2021-12-06 21:01:57,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:01:57,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:01:57,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:01:57,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 21:01:57,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:01:57,157 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 21:01:57,157 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:01:57,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531908810] [2021-12-06 21:01:57,158 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531908810] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:01:57,158 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:01:57,159 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 21:01:57,160 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077923388] [2021-12-06 21:01:57,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:01:57,164 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-06 21:01:57,165 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:01:57,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-06 21:01:57,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 21:01:57,188 INFO L87 Difference]: Start difference. First operand has 82 states, 64 states have (on average 1.390625) internal successors, (89), 70 states have internal predecessors, (89), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) 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 21:01:57,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:01:57,232 INFO L93 Difference]: Finished difference Result 156 states and 213 transitions. [2021-12-06 21:01:57,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 21:01:57,235 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 21:01:57,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:01:57,244 INFO L225 Difference]: With dead ends: 156 [2021-12-06 21:01:57,244 INFO L226 Difference]: Without dead ends: 73 [2021-12-06 21:01:57,248 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 21:01:57,252 INFO L933 BasicCegarLoop]: 103 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, 103 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 21:01:57,253 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 21:01:57,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-12-06 21:01:57,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-12-06 21:01:57,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 57 states have (on average 1.3157894736842106) internal successors, (75), 62 states have internal predecessors, (75), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2021-12-06 21:01:57,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 94 transitions. [2021-12-06 21:01:57,290 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 94 transitions. Word has length 25 [2021-12-06 21:01:57,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:01:57,291 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 94 transitions. [2021-12-06 21:01:57,291 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 21:01:57,291 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 94 transitions. [2021-12-06 21:01:57,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-12-06 21:01:57,293 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:01:57,293 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 21:01:57,293 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 21:01:57,294 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:01:57,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:01:57,294 INFO L85 PathProgramCache]: Analyzing trace with hash 1176803179, now seen corresponding path program 1 times [2021-12-06 21:01:57,294 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:01:57,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442605021] [2021-12-06 21:01:57,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:01:57,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:01:57,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:01:57,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-06 21:01:57,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:01:57,355 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 21:01:57,355 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:01:57,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442605021] [2021-12-06 21:01:57,356 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442605021] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:01:57,356 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:01:57,356 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 21:01:57,356 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731212787] [2021-12-06 21:01:57,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:01:57,358 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 21:01:57,358 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:01:57,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 21:01:57,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 21:01:57,359 INFO L87 Difference]: Start difference. First operand 73 states and 94 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 21:01:57,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:01:57,374 INFO L93 Difference]: Finished difference Result 111 states and 143 transitions. [2021-12-06 21:01:57,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 21:01:57,375 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 21:01:57,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:01:57,376 INFO L225 Difference]: With dead ends: 111 [2021-12-06 21:01:57,376 INFO L226 Difference]: Without dead ends: 64 [2021-12-06 21:01:57,377 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 21:01:57,378 INFO L933 BasicCegarLoop]: 81 mSDtfsCounter, 13 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 145 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 21:01:57,379 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 145 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 21:01:57,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2021-12-06 21:01:57,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2021-12-06 21:01:57,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 51 states have (on average 1.3333333333333333) internal successors, (68), 56 states have internal predecessors, (68), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2021-12-06 21:01:57,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 82 transitions. [2021-12-06 21:01:57,386 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 82 transitions. Word has length 26 [2021-12-06 21:01:57,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:01:57,386 INFO L470 AbstractCegarLoop]: Abstraction has 64 states and 82 transitions. [2021-12-06 21:01:57,386 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 21:01:57,387 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 82 transitions. [2021-12-06 21:01:57,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-12-06 21:01:57,387 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:01:57,388 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 21:01:57,388 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 21:01:57,388 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:01:57,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:01:57,388 INFO L85 PathProgramCache]: Analyzing trace with hash 414343402, now seen corresponding path program 1 times [2021-12-06 21:01:57,388 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:01:57,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131326815] [2021-12-06 21:01:57,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:01:57,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:01:57,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:01:57,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 21:01:57,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:01:57,460 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 21:01:57,460 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:01:57,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131326815] [2021-12-06 21:01:57,461 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131326815] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:01:57,461 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:01:57,461 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 21:01:57,461 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390258552] [2021-12-06 21:01:57,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:01:57,461 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 21:01:57,461 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:01:57,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 21:01:57,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 21:01:57,462 INFO L87 Difference]: Start difference. First operand 64 states and 82 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 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 21:01:57,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:01:57,504 INFO L93 Difference]: Finished difference Result 121 states and 158 transitions. [2021-12-06 21:01:57,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 21:01:57,505 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 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 21:01:57,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:01:57,507 INFO L225 Difference]: With dead ends: 121 [2021-12-06 21:01:57,507 INFO L226 Difference]: Without dead ends: 64 [2021-12-06 21:01:57,508 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-06 21:01:57,509 INFO L933 BasicCegarLoop]: 75 mSDtfsCounter, 107 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 21:01:57,510 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [107 Valid, 193 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 21:01:57,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2021-12-06 21:01:57,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2021-12-06 21:01:57,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 51 states have (on average 1.3137254901960784) internal successors, (67), 56 states have internal predecessors, (67), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2021-12-06 21:01:57,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 81 transitions. [2021-12-06 21:01:57,520 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 81 transitions. Word has length 31 [2021-12-06 21:01:57,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:01:57,521 INFO L470 AbstractCegarLoop]: Abstraction has 64 states and 81 transitions. [2021-12-06 21:01:57,521 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 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 21:01:57,521 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2021-12-06 21:01:57,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-12-06 21:01:57,523 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:01:57,523 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] [2021-12-06 21:01:57,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 21:01:57,523 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:01:57,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:01:57,524 INFO L85 PathProgramCache]: Analyzing trace with hash 808202887, now seen corresponding path program 1 times [2021-12-06 21:01:57,524 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:01:57,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933758757] [2021-12-06 21:01:57,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:01:57,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:01:57,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:01:57,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 21:01:57,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:01:57,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 21:01:57,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:01:57,582 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 21:01:57,583 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:01:57,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933758757] [2021-12-06 21:01:57,583 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933758757] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:01:57,583 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:01:57,583 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 21:01:57,583 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908506085] [2021-12-06 21:01:57,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:01:57,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 21:01:57,584 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:01:57,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 21:01:57,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 21:01:57,585 INFO L87 Difference]: Start difference. First operand 64 states and 81 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-06 21:01:57,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:01:57,611 INFO L93 Difference]: Finished difference Result 163 states and 210 transitions. [2021-12-06 21:01:57,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 21:01:57,612 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 36 [2021-12-06 21:01:57,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:01:57,613 INFO L225 Difference]: With dead ends: 163 [2021-12-06 21:01:57,613 INFO L226 Difference]: Without dead ends: 106 [2021-12-06 21:01:57,615 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 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 21:01:57,616 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 54 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 21:01:57,616 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [54 Valid, 149 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 21:01:57,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2021-12-06 21:01:57,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 104. [2021-12-06 21:01:57,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 82 states have (on average 1.3048780487804879) internal successors, (107), 89 states have internal predecessors, (107), 11 states have call successors, (11), 10 states have call predecessors, (11), 10 states have return successors, (13), 11 states have call predecessors, (13), 11 states have call successors, (13) [2021-12-06 21:01:57,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 131 transitions. [2021-12-06 21:01:57,631 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 131 transitions. Word has length 36 [2021-12-06 21:01:57,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:01:57,631 INFO L470 AbstractCegarLoop]: Abstraction has 104 states and 131 transitions. [2021-12-06 21:01:57,631 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-06 21:01:57,631 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 131 transitions. [2021-12-06 21:01:57,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-12-06 21:01:57,633 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:01:57,633 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] [2021-12-06 21:01:57,633 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 21:01:57,633 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:01:57,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:01:57,634 INFO L85 PathProgramCache]: Analyzing trace with hash 165647039, now seen corresponding path program 1 times [2021-12-06 21:01:57,634 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:01:57,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471252700] [2021-12-06 21:01:57,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:01:57,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:01:57,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:01:57,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-06 21:01:57,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:01:57,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-06 21:01:57,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:01:57,692 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 21:01:57,693 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:01:57,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471252700] [2021-12-06 21:01:57,693 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471252700] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:01:57,693 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:01:57,693 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 21:01:57,693 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023858726] [2021-12-06 21:01:57,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:01:57,694 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 21:01:57,694 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:01:57,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 21:01:57,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 21:01:57,694 INFO L87 Difference]: Start difference. First operand 104 states and 131 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-06 21:01:57,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:01:57,744 INFO L93 Difference]: Finished difference Result 288 states and 379 transitions. [2021-12-06 21:01:57,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 21:01:57,744 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 42 [2021-12-06 21:01:57,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:01:57,746 INFO L225 Difference]: With dead ends: 288 [2021-12-06 21:01:57,746 INFO L226 Difference]: Without dead ends: 191 [2021-12-06 21:01:57,747 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-06 21:01:57,748 INFO L933 BasicCegarLoop]: 84 mSDtfsCounter, 41 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 21:01:57,748 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 316 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 21:01:57,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2021-12-06 21:01:57,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 185. [2021-12-06 21:01:57,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 146 states have (on average 1.2808219178082192) internal successors, (187), 156 states have internal predecessors, (187), 21 states have call successors, (21), 19 states have call predecessors, (21), 17 states have return successors, (27), 19 states have call predecessors, (27), 21 states have call successors, (27) [2021-12-06 21:01:57,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 235 transitions. [2021-12-06 21:01:57,765 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 235 transitions. Word has length 42 [2021-12-06 21:01:57,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:01:57,766 INFO L470 AbstractCegarLoop]: Abstraction has 185 states and 235 transitions. [2021-12-06 21:01:57,766 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-06 21:01:57,766 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 235 transitions. [2021-12-06 21:01:57,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-12-06 21:01:57,768 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:01:57,768 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:01:57,768 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 21:01:57,768 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:01:57,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:01:57,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1345519451, now seen corresponding path program 1 times [2021-12-06 21:01:57,768 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:01:57,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741338616] [2021-12-06 21:01:57,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:01:57,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:01:57,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:01:57,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 21:01:57,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:01:57,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-06 21:01:57,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:01:57,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-06 21:01:57,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:01:57,828 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 21:01:57,828 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:01:57,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741338616] [2021-12-06 21:01:57,829 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741338616] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:01:57,829 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:01:57,829 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 21:01:57,829 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683446864] [2021-12-06 21:01:57,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:01:57,829 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 21:01:57,829 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:01:57,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 21:01:57,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 21:01:57,830 INFO L87 Difference]: Start difference. First operand 185 states and 235 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (4), 2 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 21:01:57,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:01:57,980 INFO L93 Difference]: Finished difference Result 480 states and 647 transitions. [2021-12-06 21:01:57,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-06 21:01:57,980 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (4), 2 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 46 [2021-12-06 21:01:57,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:01:57,984 INFO L225 Difference]: With dead ends: 480 [2021-12-06 21:01:57,984 INFO L226 Difference]: Without dead ends: 383 [2021-12-06 21:01:57,985 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2021-12-06 21:01:57,986 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 167 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 21:01:57,986 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [172 Valid, 344 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 21:01:57,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2021-12-06 21:01:58,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 350. [2021-12-06 21:01:58,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 276 states have (on average 1.2753623188405796) internal successors, (352), 300 states have internal predecessors, (352), 40 states have call successors, (40), 29 states have call predecessors, (40), 33 states have return successors, (66), 38 states have call predecessors, (66), 40 states have call successors, (66) [2021-12-06 21:01:58,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 458 transitions. [2021-12-06 21:01:58,020 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 458 transitions. Word has length 46 [2021-12-06 21:01:58,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:01:58,020 INFO L470 AbstractCegarLoop]: Abstraction has 350 states and 458 transitions. [2021-12-06 21:01:58,020 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (4), 2 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 21:01:58,020 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 458 transitions. [2021-12-06 21:01:58,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-12-06 21:01:58,022 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:01:58,022 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:01:58,022 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 21:01:58,022 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:01:58,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:01:58,023 INFO L85 PathProgramCache]: Analyzing trace with hash -1126664733, now seen corresponding path program 1 times [2021-12-06 21:01:58,023 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:01:58,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85698582] [2021-12-06 21:01:58,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:01:58,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:01:58,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:01:58,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 21:01:58,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:01:58,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-06 21:01:58,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:01:58,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-06 21:01:58,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:01:58,060 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 21:01:58,060 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:01:58,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85698582] [2021-12-06 21:01:58,060 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85698582] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:01:58,061 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:01:58,061 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 21:01:58,061 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760447600] [2021-12-06 21:01:58,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:01:58,061 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 21:01:58,061 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:01:58,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 21:01:58,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 21:01:58,062 INFO L87 Difference]: Start difference. First operand 350 states and 458 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (4), 2 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 21:01:58,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:01:58,187 INFO L93 Difference]: Finished difference Result 754 states and 1014 transitions. [2021-12-06 21:01:58,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 21:01:58,188 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (4), 2 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 46 [2021-12-06 21:01:58,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:01:58,193 INFO L225 Difference]: With dead ends: 754 [2021-12-06 21:01:58,193 INFO L226 Difference]: Without dead ends: 492 [2021-12-06 21:01:58,195 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-06 21:01:58,196 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 159 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 21:01:58,197 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [166 Valid, 365 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 21:01:58,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2021-12-06 21:01:58,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 383. [2021-12-06 21:01:58,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 303 states have (on average 1.2574257425742574) internal successors, (381), 330 states have internal predecessors, (381), 44 states have call successors, (44), 29 states have call predecessors, (44), 35 states have return successors, (76), 42 states have call predecessors, (76), 44 states have call successors, (76) [2021-12-06 21:01:58,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 501 transitions. [2021-12-06 21:01:58,231 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 501 transitions. Word has length 46 [2021-12-06 21:01:58,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:01:58,232 INFO L470 AbstractCegarLoop]: Abstraction has 383 states and 501 transitions. [2021-12-06 21:01:58,232 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (4), 2 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 21:01:58,232 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 501 transitions. [2021-12-06 21:01:58,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-12-06 21:01:58,233 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:01:58,233 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:01:58,233 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-06 21:01:58,234 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:01:58,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:01:58,234 INFO L85 PathProgramCache]: Analyzing trace with hash -1944313183, now seen corresponding path program 1 times [2021-12-06 21:01:58,234 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:01:58,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502959313] [2021-12-06 21:01:58,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:01:58,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:01:58,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:01:58,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 21:01:58,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:01:58,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-06 21:01:58,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:01:58,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-06 21:01:58,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:01:58,285 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 21:01:58,285 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:01:58,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502959313] [2021-12-06 21:01:58,286 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502959313] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:01:58,286 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:01:58,286 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-06 21:01:58,286 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536907031] [2021-12-06 21:01:58,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:01:58,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 21:01:58,286 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:01:58,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 21:01:58,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-06 21:01:58,287 INFO L87 Difference]: Start difference. First operand 383 states and 501 transitions. Second operand has 8 states, 8 states have (on average 4.875) internal successors, (39), 7 states have internal predecessors, (39), 2 states have call successors, (4), 2 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 21:01:58,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:01:58,434 INFO L93 Difference]: Finished difference Result 900 states and 1203 transitions. [2021-12-06 21:01:58,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-06 21:01:58,435 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 7 states have internal predecessors, (39), 2 states have call successors, (4), 2 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 46 [2021-12-06 21:01:58,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:01:58,437 INFO L225 Difference]: With dead ends: 900 [2021-12-06 21:01:58,438 INFO L226 Difference]: Without dead ends: 524 [2021-12-06 21:01:58,439 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2021-12-06 21:01:58,440 INFO L933 BasicCegarLoop]: 84 mSDtfsCounter, 242 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 21:01:58,440 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [247 Valid, 484 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 21:01:58,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2021-12-06 21:01:58,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 397. [2021-12-06 21:01:58,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 319 states have (on average 1.238244514106583) internal successors, (395), 343 states have internal predecessors, (395), 42 states have call successors, (42), 28 states have call predecessors, (42), 35 states have return successors, (76), 40 states have call predecessors, (76), 42 states have call successors, (76) [2021-12-06 21:01:58,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 513 transitions. [2021-12-06 21:01:58,468 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 513 transitions. Word has length 46 [2021-12-06 21:01:58,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:01:58,468 INFO L470 AbstractCegarLoop]: Abstraction has 397 states and 513 transitions. [2021-12-06 21:01:58,468 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 7 states have internal predecessors, (39), 2 states have call successors, (4), 2 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 21:01:58,469 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 513 transitions. [2021-12-06 21:01:58,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-12-06 21:01:58,469 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:01:58,469 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] [2021-12-06 21:01:58,470 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-06 21:01:58,470 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:01:58,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:01:58,470 INFO L85 PathProgramCache]: Analyzing trace with hash -1025339665, now seen corresponding path program 1 times [2021-12-06 21:01:58,470 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:01:58,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495397705] [2021-12-06 21:01:58,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:01:58,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:01:58,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:01:58,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 21:01:58,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:01:58,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-06 21:01:58,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:01:58,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-06 21:01:58,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:01:58,557 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 21:01:58,557 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:01:58,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495397705] [2021-12-06 21:01:58,557 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495397705] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 21:01:58,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [227667845] [2021-12-06 21:01:58,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:01:58,558 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 21:01:58,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6534d8c-b142-4b77-b18b-2fca0687a4e7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:01:58,559 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6534d8c-b142-4b77-b18b-2fca0687a4e7/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 21:01:58,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6534d8c-b142-4b77-b18b-2fca0687a4e7/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 21:01:58,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:01:58,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 15 conjunts are in the unsatisfiable core [2021-12-06 21:01:58,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 21:01:58,877 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 21:01:58,877 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 21:01:58,877 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [227667845] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:01:58,877 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 21:01:58,878 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2021-12-06 21:01:58,878 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671846760] [2021-12-06 21:01:58,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:01:58,878 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 21:01:58,879 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:01:58,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 21:01:58,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-12-06 21:01:58,879 INFO L87 Difference]: Start difference. First operand 397 states and 513 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-06 21:01:58,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:01:58,991 INFO L93 Difference]: Finished difference Result 1157 states and 1526 transitions. [2021-12-06 21:01:58,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 21:01:58,992 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 51 [2021-12-06 21:01:58,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:01:58,996 INFO L225 Difference]: With dead ends: 1157 [2021-12-06 21:01:58,996 INFO L226 Difference]: Without dead ends: 767 [2021-12-06 21:01:58,998 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 50 SyntacticMatches, 3 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-12-06 21:01:58,999 INFO L933 BasicCegarLoop]: 88 mSDtfsCounter, 107 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 21:01:58,999 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [111 Valid, 510 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 21:01:59,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 767 states. [2021-12-06 21:01:59,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 767 to 737. [2021-12-06 21:01:59,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 737 states, 590 states have (on average 1.2220338983050847) internal successors, (721), 630 states have internal predecessors, (721), 80 states have call successors, (80), 55 states have call predecessors, (80), 66 states have return successors, (145), 76 states have call predecessors, (145), 80 states have call successors, (145) [2021-12-06 21:01:59,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 946 transitions. [2021-12-06 21:01:59,057 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 946 transitions. Word has length 51 [2021-12-06 21:01:59,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:01:59,058 INFO L470 AbstractCegarLoop]: Abstraction has 737 states and 946 transitions. [2021-12-06 21:01:59,058 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-06 21:01:59,058 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 946 transitions. [2021-12-06 21:01:59,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-12-06 21:01:59,059 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:01:59,059 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] [2021-12-06 21:01:59,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6534d8c-b142-4b77-b18b-2fca0687a4e7/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-06 21:01:59,260 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6534d8c-b142-4b77-b18b-2fca0687a4e7/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-12-06 21:01:59,260 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:01:59,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:01:59,260 INFO L85 PathProgramCache]: Analyzing trace with hash 468700430, now seen corresponding path program 1 times [2021-12-06 21:01:59,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:01:59,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977074193] [2021-12-06 21:01:59,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:01:59,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:01:59,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:01:59,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 21:01:59,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:01:59,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-06 21:01:59,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:01:59,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-06 21:01:59,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:01:59,309 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 21:01:59,309 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:01:59,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977074193] [2021-12-06 21:01:59,310 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977074193] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:01:59,310 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:01:59,310 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 21:01:59,310 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920216967] [2021-12-06 21:01:59,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:01:59,310 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 21:01:59,311 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:01:59,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 21:01:59,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 21:01:59,311 INFO L87 Difference]: Start difference. First operand 737 states and 946 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 2 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 21:01:59,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:01:59,448 INFO L93 Difference]: Finished difference Result 1371 states and 1778 transitions. [2021-12-06 21:01:59,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 21:01:59,448 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 2 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 52 [2021-12-06 21:01:59,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:01:59,451 INFO L225 Difference]: With dead ends: 1371 [2021-12-06 21:01:59,451 INFO L226 Difference]: Without dead ends: 284 [2021-12-06 21:01:59,456 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-12-06 21:01:59,457 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 120 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 21:01:59,457 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 404 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 21:01:59,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2021-12-06 21:01:59,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 275. [2021-12-06 21:01:59,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 218 states have (on average 1.188073394495413) internal successors, (259), 232 states have internal predecessors, (259), 30 states have call successors, (30), 25 states have call predecessors, (30), 26 states have return successors, (38), 28 states have call predecessors, (38), 30 states have call successors, (38) [2021-12-06 21:01:59,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 327 transitions. [2021-12-06 21:01:59,478 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 327 transitions. Word has length 52 [2021-12-06 21:01:59,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:01:59,478 INFO L470 AbstractCegarLoop]: Abstraction has 275 states and 327 transitions. [2021-12-06 21:01:59,479 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 2 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 21:01:59,479 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 327 transitions. [2021-12-06 21:01:59,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-12-06 21:01:59,480 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 21:01:59,480 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] [2021-12-06 21:01:59,480 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-06 21:01:59,481 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 21:01:59,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 21:01:59,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1675825877, now seen corresponding path program 1 times [2021-12-06 21:01:59,481 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 21:01:59,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296888693] [2021-12-06 21:01:59,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 21:01:59,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 21:01:59,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:01:59,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 21:01:59,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:01:59,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 21:01:59,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:01:59,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 21:01:59,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:01:59,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 21:01:59,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 21:01:59,560 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 21:01:59,560 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 21:01:59,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296888693] [2021-12-06 21:01:59,560 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296888693] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 21:01:59,560 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 21:01:59,560 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-06 21:01:59,560 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47615212] [2021-12-06 21:01:59,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 21:01:59,561 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-06 21:01:59,561 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 21:01:59,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-06 21:01:59,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-12-06 21:01:59,561 INFO L87 Difference]: Start difference. First operand 275 states and 327 transitions. Second operand has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 8 states have internal predecessors, (46), 2 states have call successors, (5), 4 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 21:01:59,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 21:01:59,807 INFO L93 Difference]: Finished difference Result 537 states and 645 transitions. [2021-12-06 21:01:59,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-06 21:01:59,808 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 8 states have internal predecessors, (46), 2 states have call successors, (5), 4 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 55 [2021-12-06 21:01:59,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 21:01:59,808 INFO L225 Difference]: With dead ends: 537 [2021-12-06 21:01:59,808 INFO L226 Difference]: Without dead ends: 0 [2021-12-06 21:01:59,809 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=361, Unknown=0, NotChecked=0, Total=462 [2021-12-06 21:01:59,810 INFO L933 BasicCegarLoop]: 91 mSDtfsCounter, 146 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 445 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 21:01:59,810 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [146 Valid, 363 Invalid, 499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 445 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 21:01:59,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-06 21:01:59,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-06 21:01:59,810 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 21:01:59,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-06 21:01:59,811 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 55 [2021-12-06 21:01:59,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 21:01:59,811 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 21:01:59,811 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 8 states have internal predecessors, (46), 2 states have call successors, (5), 4 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 21:01:59,811 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-06 21:01:59,811 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-06 21:01:59,813 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 21:01:59,813 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-06 21:01:59,815 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-06 21:02:03,007 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 257 263) no Hoare annotation was computed. [2021-12-06 21:02:03,007 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 257 263) the Hoare annotation is: true [2021-12-06 21:02:03,008 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 435 446) the Hoare annotation is: (let ((.cse1 (not (<= |old(~methaneLevelCritical~0)| 0))) (.cse2 (and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))) (.cse3 (not (<= 0 |old(~methaneLevelCritical~0)|))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (= ~pumpRunning~0 1)) .cse1 .cse2 .cse3 .cse4) (or .cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (not (<= 1 |old(~methaneLevelCritical~0)|)) .cse4))) [2021-12-06 21:02:03,008 INFO L858 garLoopResultBuilder]: For program point L439-1(lines 435 446) no Hoare annotation was computed. [2021-12-06 21:02:03,008 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 435 446) no Hoare annotation was computed. [2021-12-06 21:02:03,008 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 447 455) the Hoare annotation is: true [2021-12-06 21:02:03,008 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 447 455) no Hoare annotation was computed. [2021-12-06 21:02:03,008 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 447 455) no Hoare annotation was computed. [2021-12-06 21:02:03,008 INFO L858 garLoopResultBuilder]: For program point L415(lines 415 419) no Hoare annotation was computed. [2021-12-06 21:02:03,008 INFO L854 garLoopResultBuilder]: At program point L415-2(lines 411 422) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 1)) .cse0 (= ~pumpRunning~0 1)) (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 0 ~methaneLevelCritical~0)) .cse0))) [2021-12-06 21:02:03,008 INFO L854 garLoopResultBuilder]: At program point L279(line 279) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 2 ~waterLevel~0)) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 0 ~methaneLevelCritical~0)) .cse0) (or (not (= |old(~pumpRunning~0)| 1)) .cse0))) [2021-12-06 21:02:03,008 INFO L854 garLoopResultBuilder]: At program point L395(lines 380 398) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0))) (and (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 (not (= |timeShift_isHighWaterLevel_~tmp___0~1#1| 0)) (= |timeShift_isHighWaterLevel_~tmp~4#1| 0) (= |timeShift_isHighWaterSensorDry_#res#1| 0) .cse1 (not (= |timeShift_isHighWaterLevel_#res#1| 0))) (and .cse0 (not (= 2 ~waterLevel~0)) .cse1) (not (<= 0 ~methaneLevelCritical~0)) .cse2)) (or (not (= |old(~pumpRunning~0)| 1)) .cse2))) [2021-12-06 21:02:03,008 INFO L854 garLoopResultBuilder]: At program point L329(line 329) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0))) (and (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (not (= |timeShift_processEnvironment_~tmp~2#1| 0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 0 ~methaneLevelCritical~0)) (and .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2) .cse3 (and .cse0 .cse1 (not (= |timeShift_isHighWaterLevel_~tmp___0~1#1| 0)) (= |timeShift_isHighWaterLevel_~tmp~4#1| 0) (= |timeShift_isHighWaterSensorDry_#res#1| 0) .cse2 (not (= |timeShift_isHighWaterLevel_#res#1| 0))))) (or (not (= |old(~pumpRunning~0)| 1)) .cse3))) [2021-12-06 21:02:03,009 INFO L858 garLoopResultBuilder]: For program point L329-1(line 329) no Hoare annotation was computed. [2021-12-06 21:02:03,009 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 233 256) no Hoare annotation was computed. [2021-12-06 21:02:03,009 INFO L858 garLoopResultBuilder]: For program point L932(lines 932 938) no Hoare annotation was computed. [2021-12-06 21:02:03,009 INFO L858 garLoopResultBuilder]: For program point L928(lines 928 941) no Hoare annotation was computed. [2021-12-06 21:02:03,009 INFO L854 garLoopResultBuilder]: At program point L928-1(lines 913 945) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (not (= |timeShift_isHighWaterLevel_~tmp___0~1#1| 0))) (.cse9 (= |timeShift_isHighWaterLevel_~tmp~4#1| 0)) (.cse12 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse15 (not (= |timeShift_isHighWaterLevel_#res#1| 0))) (.cse7 (not (= |timeShift_processEnvironment_~tmp~2#1| 0))) (.cse10 (<= |timeShift_activatePump_~tmp~3#1| 0)) (.cse14 (<= 0 |timeShift_activatePump_~tmp~3#1|)) (.cse1 (= ~pumpRunning~0 1)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (= 2 ~waterLevel~0))) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (not .cse0))) (and (or (not (= |old(~pumpRunning~0)| 1)) .cse0 .cse1) (let ((.cse11 (<= |timeShift_isMethaneAlarm_#res#1| 0)) (.cse13 (<= 0 |timeShift_isMethaneAlarm_#res#1|))) (or .cse2 (and .cse3 .cse4 .cse5 .cse6) (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)) .cse0 (and .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse5 .cse13 .cse14 .cse15 .cse1) (and .cse7 .cse4 .cse10 .cse11 .cse5 .cse13 .cse14 .cse6 .cse1))) (let ((.cse16 (not (= |timeShift___utac_acc__Specification3_spec__1_~tmp~8#1| 0)))) (or (and .cse7 .cse8 .cse9 .cse10 .cse12 .cse5 .cse14 .cse15 .cse1) .cse2 (and .cse3 .cse7 .cse8 .cse9 .cse12 .cse5 .cse16 .cse15) (not (<= 1 ~methaneLevelCritical~0)) (and .cse7 .cse4 .cse10 .cse5 .cse14 .cse6 .cse1) .cse0 (and .cse3 .cse4 .cse5 .cse16 .cse6)))))) [2021-12-06 21:02:03,009 INFO L854 garLoopResultBuilder]: At program point L284(line 284) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 1)) .cse0 (= ~pumpRunning~0 1)) (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 0 ~methaneLevelCritical~0)) .cse0))) [2021-12-06 21:02:03,009 INFO L854 garLoopResultBuilder]: At program point L284-1(lines 265 289) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (let ((.cse16 (= ~pumpRunning~0 0)) (.cse14 (not (= 2 ~waterLevel~0))) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse15 (not .cse0))) (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (and .cse16 .cse14 .cse10 .cse15)) (.cse7 (<= |timeShift_activatePump_~tmp~3#1| 0)) (.cse12 (<= 0 |timeShift_activatePump_~tmp~3#1|)) (.cse1 (= ~pumpRunning~0 1)) (.cse4 (not (= |timeShift_processEnvironment_~tmp~2#1| 0))) (.cse5 (not (= |timeShift_isHighWaterLevel_~tmp___0~1#1| 0))) (.cse6 (= |timeShift_isHighWaterLevel_~tmp~4#1| 0)) (.cse9 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse13 (not (= |timeShift_isHighWaterLevel_#res#1| 0)))) (and (or (not (= |old(~pumpRunning~0)| 1)) .cse0 .cse1) (let ((.cse8 (<= |timeShift_isMethaneAlarm_#res#1| 0)) (.cse11 (<= 0 |timeShift_isMethaneAlarm_#res#1|))) (or .cse2 .cse3 (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)) .cse0 (and .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse1) (and .cse4 .cse14 .cse7 .cse8 .cse10 .cse11 .cse12 .cse15 .cse1))) (or (and .cse4 .cse5 .cse6 .cse7 .cse9 .cse10 .cse12 .cse13 .cse1) .cse2 .cse3 (not (<= 1 ~methaneLevelCritical~0)) (and .cse4 .cse14 .cse7 .cse10 .cse12 .cse15 .cse1) .cse0 (and .cse16 .cse4 .cse5 .cse6 .cse9 .cse10 .cse13)))))) [2021-12-06 21:02:03,009 INFO L858 garLoopResultBuilder]: For program point L507(line 507) no Hoare annotation was computed. [2021-12-06 21:02:03,009 INFO L854 garLoopResultBuilder]: At program point L920(line 920) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (let ((.cse16 (= ~pumpRunning~0 0)) (.cse14 (not (= 2 ~waterLevel~0))) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse15 (not .cse0))) (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (and .cse16 .cse14 .cse10 .cse15)) (.cse7 (<= |timeShift_activatePump_~tmp~3#1| 0)) (.cse12 (<= 0 |timeShift_activatePump_~tmp~3#1|)) (.cse1 (= ~pumpRunning~0 1)) (.cse4 (not (= |timeShift_processEnvironment_~tmp~2#1| 0))) (.cse5 (not (= |timeShift_isHighWaterLevel_~tmp___0~1#1| 0))) (.cse6 (= |timeShift_isHighWaterLevel_~tmp~4#1| 0)) (.cse9 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse13 (not (= |timeShift_isHighWaterLevel_#res#1| 0)))) (and (or (not (= |old(~pumpRunning~0)| 1)) .cse0 .cse1) (let ((.cse8 (<= |timeShift_isMethaneAlarm_#res#1| 0)) (.cse11 (<= 0 |timeShift_isMethaneAlarm_#res#1|))) (or .cse2 .cse3 (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)) .cse0 (and .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse1) (and .cse4 .cse14 .cse7 .cse8 .cse10 .cse11 .cse12 .cse15 .cse1))) (or (and .cse4 .cse5 .cse6 .cse7 .cse9 .cse10 .cse12 .cse13 .cse1) .cse2 .cse3 (not (<= 1 ~methaneLevelCritical~0)) (and .cse4 .cse14 .cse7 .cse10 .cse12 .cse15 .cse1) .cse0 (and .cse16 .cse4 .cse5 .cse6 .cse9 .cse10 .cse13)))))) [2021-12-06 21:02:03,010 INFO L858 garLoopResultBuilder]: For program point L920-1(line 920) no Hoare annotation was computed. [2021-12-06 21:02:03,010 INFO L854 garLoopResultBuilder]: At program point L508(lines 503 510) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 0 ~methaneLevelCritical~0)) .cse0) (or (not (= |old(~pumpRunning~0)| 1)) .cse0))) [2021-12-06 21:02:03,010 INFO L858 garLoopResultBuilder]: For program point L244-1(lines 244 250) no Hoare annotation was computed. [2021-12-06 21:02:03,010 INFO L858 garLoopResultBuilder]: For program point L306(lines 306 312) no Hoare annotation was computed. [2021-12-06 21:02:03,010 INFO L858 garLoopResultBuilder]: For program point L273(lines 273 281) no Hoare annotation was computed. [2021-12-06 21:02:03,010 INFO L854 garLoopResultBuilder]: At program point L306-2(lines 299 315) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (<= |timeShift_activatePump_~tmp~3#1| 0)) (.cse10 (<= 0 |timeShift_activatePump_~tmp~3#1|)) (.cse14 (not .cse1)) (.cse12 (= ~pumpRunning~0 1)) (.cse13 (not (= 2 ~waterLevel~0))) (.cse2 (not (= |timeShift_processEnvironment_~tmp~2#1| 0))) (.cse3 (not (= |timeShift_isHighWaterLevel_~tmp___0~1#1| 0))) (.cse4 (= |timeShift_isHighWaterLevel_~tmp~4#1| 0)) (.cse7 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse11 (not (= |timeShift_isHighWaterLevel_#res#1| 0)))) (and (let ((.cse6 (<= |timeShift_isMethaneAlarm_#res#1| 0)) (.cse9 (<= 0 |timeShift_isMethaneAlarm_#res#1|))) (or .cse0 (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)) .cse1 (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12) (and .cse2 .cse13 .cse5 .cse6 .cse8 .cse9 .cse10 .cse14 .cse12))) (let ((.cse15 (= ~pumpRunning~0 0))) (or (and .cse2 .cse3 .cse4 .cse5 .cse7 .cse8 .cse10 .cse11 .cse12) .cse0 (not (<= 1 ~methaneLevelCritical~0)) (and .cse2 .cse13 .cse5 .cse8 .cse10 .cse14 .cse12) (and .cse15 .cse2 .cse13 .cse8) .cse1 (and .cse15 .cse2 .cse3 .cse4 .cse7 .cse8 .cse11))) (or (not (= |old(~pumpRunning~0)| 1)) .cse1)))) [2021-12-06 21:02:03,010 INFO L858 garLoopResultBuilder]: For program point L269(lines 269 286) no Hoare annotation was computed. [2021-12-06 21:02:03,010 INFO L858 garLoopResultBuilder]: For program point L492(lines 492 498) no Hoare annotation was computed. [2021-12-06 21:02:03,010 INFO L854 garLoopResultBuilder]: At program point L331(lines 324 334) the Hoare annotation is: (let ((.cse6 (= 0 ~systemActive~0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (not (= |timeShift_isHighWaterLevel_~tmp___0~1#1| 0))) (.cse8 (= |timeShift_isHighWaterLevel_~tmp~4#1| 0)) (.cse9 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse10 (not (= |timeShift_isHighWaterLevel_#res#1| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= |timeShift_processEnvironment_~tmp~2#1| 0))) (.cse3 (not (= 2 ~waterLevel~0))) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (not .cse6))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5) (not (<= 1 ~methaneLevelCritical~0)) .cse6 (and .cse1 .cse2 .cse7 .cse8 .cse9 .cse4 .cse10)) (let ((.cse11 (= ~methaneLevelCritical~0 |timeShift_isMethaneAlarm_#res#1|))) (or .cse0 (and .cse11 .cse1 .cse2 .cse7 .cse8 .cse9 .cse4 .cse10) (and .cse11 .cse1 .cse2 .cse3 .cse4 .cse5) (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)) .cse6)) (or (not (= |old(~pumpRunning~0)| 1)) .cse6)))) [2021-12-06 21:02:03,010 INFO L858 garLoopResultBuilder]: For program point L389(lines 389 393) no Hoare annotation was computed. [2021-12-06 21:02:03,011 INFO L854 garLoopResultBuilder]: At program point L484(lines 479 487) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0))) (let ((.cse6 (not (= |timeShift_processEnvironment_~tmp~2#1| 0))) (.cse7 (not (= 2 |timeShift_getWaterLevel_#res#1|))) (.cse8 (not (= 2 ~waterLevel~0))) (.cse9 (<= |timeShift_activatePump_~tmp~3#1| 0)) (.cse11 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse13 (<= 0 |timeShift_activatePump_~tmp~3#1|)) (.cse14 (not .cse2)) (.cse5 (= ~pumpRunning~0 1))) (let ((.cse1 (not (<= 0 ~methaneLevelCritical~0))) (.cse15 (not (= |timeShift_isHighWaterLevel_~tmp___0~1#1| 0))) (.cse16 (= |timeShift_isHighWaterLevel_~tmp~4#1| 0)) (.cse17 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse18 (not (= |timeShift_isHighWaterLevel_#res#1| 0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (and .cse6 .cse7 .cse8 .cse9 .cse11 .cse13 .cse14 .cse5))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2 (= |timeShift_getWaterLevel_#res#1| 1)) (or .cse0 .cse3 .cse4 .cse2 (= |old(~waterLevel~0)| 2)) (or (not (= |old(~pumpRunning~0)| 1)) .cse2 .cse5) (let ((.cse10 (<= |timeShift_isMethaneAlarm_#res#1| 0)) (.cse12 (<= 0 |timeShift_isMethaneAlarm_#res#1|))) (or .cse0 (and .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse5) (not (<= ~methaneLevelCritical~0 0)) .cse1 (and (= ~pumpRunning~0 0) .cse7 .cse8 .cse11) .cse2 (and .cse6 .cse15 .cse16 .cse9 .cse10 .cse17 .cse11 .cse12 .cse13 .cse18 .cse5))) (or (and .cse6 .cse15 .cse16 .cse9 .cse17 .cse11 .cse13 .cse18 .cse5) .cse0 .cse3 .cse4 .cse2))))) [2021-12-06 21:02:03,011 INFO L858 garLoopResultBuilder]: For program point L389-2(lines 389 393) no Hoare annotation was computed. [2021-12-06 21:02:03,011 INFO L858 garLoopResultBuilder]: For program point L922(lines 922 942) no Hoare annotation was computed. [2021-12-06 21:02:03,011 INFO L854 garLoopResultBuilder]: At program point L340(lines 335 343) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= |timeShift_processEnvironment_~tmp~2#1| 0))) (.cse3 (= |timeShift_isPumpRunning_#res#1| 1)) (.cse6 (not (= |timeShift_isHighWaterLevel_~tmp___0~1#1| 0))) (.cse7 (= |timeShift_isHighWaterLevel_~tmp~4#1| 0)) (.cse8 (<= |timeShift_activatePump_~tmp~3#1| 0)) (.cse9 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse11 (<= 0 |timeShift_activatePump_~tmp~3#1|)) (.cse12 (not (= |timeShift_isHighWaterLevel_#res#1| 0))) (.cse4 (= ~pumpRunning~0 1)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse13 (not (<= 0 ~methaneLevelCritical~0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 (= |old(~waterLevel~0)| 2)) (or (not (= |old(~pumpRunning~0)| 1)) (and .cse3 .cse4) .cse2) (or .cse0 (and .cse5 .cse3 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse4) .cse1 .cse2) (or .cse0 (and .cse5 .cse3 .cse6 .cse7 .cse8 (<= |timeShift_isMethaneAlarm_#res#1| 0) .cse9 .cse10 (<= 0 |timeShift_isMethaneAlarm_#res#1|) .cse11 .cse12 .cse4) (not (<= ~methaneLevelCritical~0 0)) .cse13 .cse2) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse13 .cse2))) [2021-12-06 21:02:03,011 INFO L854 garLoopResultBuilder]: At program point L497(lines 488 501) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0))) (and (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 (not (= 2 ~waterLevel~0)) .cse1) (not (<= 0 ~methaneLevelCritical~0)) .cse2 (and .cse0 (= |timeShift_isHighWaterSensorDry_#res#1| 0) .cse1))) (or (not (= |old(~pumpRunning~0)| 1)) .cse2))) [2021-12-06 21:02:03,011 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 233 256) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 1)) .cse0 (and .cse1 (= ~pumpRunning~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) .cse1) (not (<= 0 ~methaneLevelCritical~0)) .cse0))) [2021-12-06 21:02:03,011 INFO L858 garLoopResultBuilder]: For program point L237-1(lines 236 255) no Hoare annotation was computed. [2021-12-06 21:02:03,011 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 233 256) no Hoare annotation was computed. [2021-12-06 21:02:03,011 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 507) no Hoare annotation was computed. [2021-12-06 21:02:03,012 INFO L854 garLoopResultBuilder]: At program point L295(lines 290 297) the Hoare annotation is: (let ((.cse12 (= 0 ~systemActive~0))) (let ((.cse9 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= |timeShift_isHighWaterLevel_~tmp___0~1#1| 0))) (.cse2 (= |timeShift_isHighWaterLevel_~tmp~4#1| 0)) (.cse4 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse7 (not (= |timeShift_isHighWaterLevel_#res#1| 0))) (.cse0 (not (= |timeShift_processEnvironment_~tmp~2#1| 0))) (.cse10 (not (= 2 ~waterLevel~0))) (.cse3 (<= |timeShift_activatePump_~tmp~3#1| 0)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (<= 0 |timeShift_activatePump_~tmp~3#1|)) (.cse11 (not .cse12)) (.cse8 (= ~pumpRunning~0 1))) (and (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) .cse9 (not (<= 1 ~methaneLevelCritical~0)) (and .cse0 .cse10 .cse3 .cse5 .cse6 .cse11 .cse8) .cse12) (let ((.cse13 (<= |timeShift_isMethaneAlarm_#res#1| 0)) (.cse14 (<= 0 |timeShift_isMethaneAlarm_#res#1|))) (or .cse9 (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)) .cse12 (and .cse0 .cse1 .cse2 .cse3 .cse13 .cse4 .cse5 .cse14 .cse6 .cse7 .cse8) (and .cse0 .cse10 .cse3 .cse13 .cse5 .cse14 .cse6 .cse11 .cse8))) (or (not (= |old(~pumpRunning~0)| 1)) .cse12)))) [2021-12-06 21:02:03,012 INFO L861 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2021-12-06 21:02:03,012 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2021-12-06 21:02:03,012 INFO L858 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2021-12-06 21:02:03,012 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 52 81) the Hoare annotation is: true [2021-12-06 21:02:03,012 INFO L861 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2021-12-06 21:02:03,012 INFO L861 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2021-12-06 21:02:03,012 INFO L858 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2021-12-06 21:02:03,012 INFO L861 garLoopResultBuilder]: At program point L77(lines 52 81) the Hoare annotation is: true [2021-12-06 21:02:03,012 INFO L858 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-12-06 21:02:03,012 INFO L858 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2021-12-06 21:02:03,012 INFO L854 garLoopResultBuilder]: At program point L213(lines 164 214) the Hoare annotation is: false [2021-12-06 21:02:03,012 INFO L854 garLoopResultBuilder]: At program point L527(lines 523 529) the Hoare annotation is: (and (= ~pumpRunning~0 0) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-12-06 21:02:03,013 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-06 21:02:03,013 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-06 21:02:03,013 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-06 21:02:03,013 INFO L858 garLoopResultBuilder]: For program point L185(lines 185 191) no Hoare annotation was computed. [2021-12-06 21:02:03,013 INFO L858 garLoopResultBuilder]: For program point L185-1(lines 185 191) no Hoare annotation was computed. [2021-12-06 21:02:03,013 INFO L854 garLoopResultBuilder]: At program point L404(lines 399 406) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~pumpRunning~0 1)) (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 (<= 0 ~methaneLevelCritical~0) .cse3))) [2021-12-06 21:02:03,013 INFO L854 garLoopResultBuilder]: At program point L210(lines 165 212) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse3 .cse4 (= ~pumpRunning~0 1)) (and .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2 .cse3 (<= 0 ~methaneLevelCritical~0) .cse4))) [2021-12-06 21:02:03,013 INFO L854 garLoopResultBuilder]: At program point L177(line 177) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse3 .cse4 (= ~pumpRunning~0 1)) (and .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2 .cse3 (<= 0 ~methaneLevelCritical~0) .cse4))) [2021-12-06 21:02:03,013 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2021-12-06 21:02:03,013 INFO L858 garLoopResultBuilder]: For program point L140-2(lines 140 147) no Hoare annotation was computed. [2021-12-06 21:02:03,013 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-06 21:02:03,013 INFO L861 garLoopResultBuilder]: At program point L124(lines 117 126) the Hoare annotation is: true [2021-12-06 21:02:03,013 INFO L861 garLoopResultBuilder]: At program point L149(lines 130 152) the Hoare annotation is: true [2021-12-06 21:02:03,013 INFO L858 garLoopResultBuilder]: For program point L203(lines 203 207) no Hoare annotation was computed. [2021-12-06 21:02:03,014 INFO L854 garLoopResultBuilder]: At program point L203-2(lines 195 208) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~pumpRunning~0 1)) (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 (<= 0 ~methaneLevelCritical~0) .cse3))) [2021-12-06 21:02:03,014 INFO L858 garLoopResultBuilder]: For program point L166(lines 165 212) no Hoare annotation was computed. [2021-12-06 21:02:03,014 INFO L858 garLoopResultBuilder]: For program point L195(lines 195 208) no Hoare annotation was computed. [2021-12-06 21:02:03,014 INFO L854 garLoopResultBuilder]: At program point L542(lines 537 545) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-12-06 21:02:03,014 INFO L854 garLoopResultBuilder]: At program point L187(line 187) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~pumpRunning~0 1)) (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 (<= 0 ~methaneLevelCritical~0) .cse3))) [2021-12-06 21:02:03,014 INFO L861 garLoopResultBuilder]: At program point L216(lines 155 220) the Hoare annotation is: true [2021-12-06 21:02:03,014 INFO L854 garLoopResultBuilder]: At program point L534(lines 530 536) the Hoare annotation is: (and (= ~pumpRunning~0 0) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-12-06 21:02:03,014 INFO L854 garLoopResultBuilder]: At program point L113(lines 109 115) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2021-12-06 21:02:03,014 INFO L858 garLoopResultBuilder]: For program point L175(lines 175 181) no Hoare annotation was computed. [2021-12-06 21:02:03,014 INFO L858 garLoopResultBuilder]: For program point L175-1(lines 175 181) no Hoare annotation was computed. [2021-12-06 21:02:03,014 INFO L858 garLoopResultBuilder]: For program point L167(lines 167 171) no Hoare annotation was computed. [2021-12-06 21:02:03,014 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 423 434) no Hoare annotation was computed. [2021-12-06 21:02:03,015 INFO L858 garLoopResultBuilder]: For program point L427-1(lines 423 434) no Hoare annotation was computed. [2021-12-06 21:02:03,015 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 423 434) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 (not (<= 0 ~methaneLevelCritical~0)) .cse1 .cse2 (= |old(~waterLevel~0)| 2)) (or (not (= ~pumpRunning~0 1)) .cse1 .cse2) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2))) [2021-12-06 21:02:03,017 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 21:02:03,018 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 21:02:03,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 09:02:03 BoogieIcfgContainer [2021-12-06 21:02:03,044 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 21:02:03,044 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 21:02:03,044 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 21:02:03,045 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 21:02:03,045 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 09:01:56" (3/4) ... [2021-12-06 21:02:03,047 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-06 21:02:03,051 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-06 21:02:03,051 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-06 21:02:03,051 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-12-06 21:02:03,052 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-06 21:02:03,052 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-06 21:02:03,052 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-06 21:02:03,057 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 51 nodes and edges [2021-12-06 21:02:03,058 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-06 21:02:03,058 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-06 21:02:03,059 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-06 21:02:03,059 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-06 21:02:03,059 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 21:02:03,060 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 21:02:03,076 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && \result == 1) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1) && !(0 == systemActive) [2021-12-06 21:02:03,076 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && \result == 1) && tmp == 1) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1) && !(0 == systemActive) [2021-12-06 21:02:03,077 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 0 && 1 <= methaneLevelCritical) && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) || ((((\result == 1 && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) && pumpRunning == 1)) || ((((((pumpRunning == 0 && \result == 1) && !(2 == waterLevel)) && tmp == 1) && splverifierCounter == 0) && 0 <= methaneLevelCritical) && !(0 == systemActive)) [2021-12-06 21:02:03,077 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 1) || 0 == systemActive) || pumpRunning == 1) && ((!(\old(pumpRunning) == 0) || !(0 <= methaneLevelCritical)) || 0 == systemActive) [2021-12-06 21:02:03,077 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 1) || 0 == systemActive) || pumpRunning == 1) && ((((((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && !(2 == waterLevel)) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || ((((((((((!(tmp == 0) && !(tmp___0 == 0)) && tmp == 0) && tmp <= 0) && \result <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && !(\result == 0)) && pumpRunning == 1)) || ((((((((!(tmp == 0) && !(2 == waterLevel)) && tmp <= 0) && \result <= 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && !(0 == systemActive)) && pumpRunning == 1))) && ((((((((((((((!(tmp == 0) && !(tmp___0 == 0)) && tmp == 0) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && !(\result == 0)) && pumpRunning == 1) || !(\old(pumpRunning) == 0)) || (((pumpRunning == 0 && !(2 == waterLevel)) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || ((((((!(tmp == 0) && !(2 == waterLevel)) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && !(0 == systemActive)) && pumpRunning == 1)) || 0 == systemActive) || ((((((pumpRunning == 0 && !(tmp == 0)) && !(tmp___0 == 0)) && tmp == 0) && \result == 0) && \old(waterLevel) == waterLevel) && !(\result == 0))) [2021-12-06 21:02:03,078 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) && pumpRunning == 1) || (((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && 0 <= methaneLevelCritical) && !(0 == systemActive)) [2021-12-06 21:02:03,078 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 1) || 0 == systemActive) || pumpRunning == 1) && ((((((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && !(2 == waterLevel)) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || ((((((((((!(tmp == 0) && !(tmp___0 == 0)) && tmp == 0) && tmp <= 0) && \result <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && !(\result == 0)) && pumpRunning == 1)) || ((((((((!(tmp == 0) && !(2 == waterLevel)) && tmp <= 0) && \result <= 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && !(0 == systemActive)) && pumpRunning == 1))) && ((((((((((((((!(tmp == 0) && !(tmp___0 == 0)) && tmp == 0) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && !(\result == 0)) && pumpRunning == 1) || !(\old(pumpRunning) == 0)) || (((((((pumpRunning == 0 && !(tmp == 0)) && !(tmp___0 == 0)) && tmp == 0) && \result == 0) && \old(waterLevel) == waterLevel) && !(tmp == 0)) && !(\result == 0))) || !(1 <= methaneLevelCritical)) || ((((((!(tmp == 0) && !(2 == waterLevel)) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && !(0 == systemActive)) && pumpRunning == 1)) || 0 == systemActive) || ((((pumpRunning == 0 && !(2 == waterLevel)) && \old(waterLevel) == waterLevel) && !(tmp == 0)) && !(0 == systemActive))) [2021-12-06 21:02:03,078 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || ((((pumpRunning == 0 && !(tmp == 0)) && !(2 == waterLevel)) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || ((((((pumpRunning == 0 && !(tmp == 0)) && !(tmp___0 == 0)) && tmp == 0) && \result == 0) && \old(waterLevel) == waterLevel) && !(\result == 0))) && (((((!(\old(pumpRunning) == 0) || (((((((methaneLevelCritical == \result && pumpRunning == 0) && !(tmp == 0)) && !(tmp___0 == 0)) && tmp == 0) && \result == 0) && \old(waterLevel) == waterLevel) && !(\result == 0))) || (((((methaneLevelCritical == \result && pumpRunning == 0) && !(tmp == 0)) && !(2 == waterLevel)) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive)) && (!(\old(pumpRunning) == 1) || 0 == systemActive) [2021-12-06 21:02:03,078 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || \result == 1) && ((((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || (((((((!(tmp == 0) && !(2 == \result)) && !(2 == waterLevel)) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && !(0 == systemActive)) && pumpRunning == 1)) || 0 == systemActive) || \old(waterLevel) == 2)) && ((!(\old(pumpRunning) == 1) || 0 == systemActive) || pumpRunning == 1)) && ((((((!(\old(pumpRunning) == 0) || (((((((((!(tmp == 0) && !(2 == \result)) && !(2 == waterLevel)) && tmp <= 0) && \result <= 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && !(0 == systemActive)) && pumpRunning == 1)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || (((pumpRunning == 0 && !(2 == \result)) && !(2 == waterLevel)) && \old(waterLevel) == waterLevel)) || 0 == systemActive) || ((((((((((!(tmp == 0) && !(tmp___0 == 0)) && tmp == 0) && tmp <= 0) && \result <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && !(\result == 0)) && pumpRunning == 1))) && ((((((((((((!(tmp == 0) && !(tmp___0 == 0)) && tmp == 0) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && !(\result == 0)) && pumpRunning == 1) || !(\old(pumpRunning) == 0)) || !(1 <= methaneLevelCritical)) || (((((((!(tmp == 0) && !(2 == \result)) && !(2 == waterLevel)) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && !(0 == systemActive)) && pumpRunning == 1)) || 0 == systemActive) [2021-12-06 21:02:03,079 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && !(2 == waterLevel)) && \old(waterLevel) == waterLevel)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel)) && (!(\old(pumpRunning) == 1) || 0 == systemActive) [2021-12-06 21:02:03,079 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || ((((((((((!(tmp == 0) && !(tmp___0 == 0)) && tmp == 0) && tmp <= 0) && \result <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && !(\result == 0)) && pumpRunning == 1)) || ((((((((!(tmp == 0) && !(2 == waterLevel)) && tmp <= 0) && \result <= 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && !(0 == systemActive)) && pumpRunning == 1)) && ((((((((((((((!(tmp == 0) && !(tmp___0 == 0)) && tmp == 0) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && !(\result == 0)) && pumpRunning == 1) || !(\old(pumpRunning) == 0)) || !(1 <= methaneLevelCritical)) || ((((((!(tmp == 0) && !(2 == waterLevel)) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && !(0 == systemActive)) && pumpRunning == 1)) || (((pumpRunning == 0 && !(tmp == 0)) && !(2 == waterLevel)) && \old(waterLevel) == waterLevel)) || 0 == systemActive) || ((((((pumpRunning == 0 && !(tmp == 0)) && !(tmp___0 == 0)) && tmp == 0) && \result == 0) && \old(waterLevel) == waterLevel) && !(\result == 0)))) && (!(\old(pumpRunning) == 1) || 0 == systemActive) [2021-12-06 21:02:03,079 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((!(tmp == 0) && !(tmp___0 == 0)) && tmp == 0) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && !(\result == 0)) && pumpRunning == 1) || !(\old(pumpRunning) == 0)) || !(1 <= methaneLevelCritical)) || ((((((!(tmp == 0) && !(2 == waterLevel)) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && !(0 == systemActive)) && pumpRunning == 1)) || 0 == systemActive) && (((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || ((((((((((!(tmp == 0) && !(tmp___0 == 0)) && tmp == 0) && tmp <= 0) && \result <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && !(\result == 0)) && pumpRunning == 1)) || ((((((((!(tmp == 0) && !(2 == waterLevel)) && tmp <= 0) && \result <= 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && !(0 == systemActive)) && pumpRunning == 1))) && (!(\old(pumpRunning) == 1) || 0 == systemActive) [2021-12-06 21:02:03,079 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || (((((pumpRunning == 0 && !(tmp___0 == 0)) && tmp == 0) && \result == 0) && \old(waterLevel) == waterLevel) && !(\result == 0))) || ((pumpRunning == 0 && !(2 == waterLevel)) && \old(waterLevel) == waterLevel)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && (!(\old(pumpRunning) == 1) || 0 == systemActive) [2021-12-06 21:02:03,079 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || \old(waterLevel) == 2) && ((!(\old(pumpRunning) == 1) || (\result == 1 && pumpRunning == 1)) || 0 == systemActive)) && (((!(\old(pumpRunning) == 0) || (((((((((!(tmp == 0) && \result == 1) && !(tmp___0 == 0)) && tmp == 0) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && !(\result == 0)) && pumpRunning == 1)) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((((!(\old(pumpRunning) == 0) || (((((((((((!(tmp == 0) && \result == 1) && !(tmp___0 == 0)) && tmp == 0) && tmp <= 0) && \result <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && !(\result == 0)) && pumpRunning == 1)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) [2021-12-06 21:02:03,080 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && (!(\old(pumpRunning) == 1) || 0 == systemActive) [2021-12-06 21:02:03,105 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6534d8c-b142-4b77-b18b-2fca0687a4e7/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 21:02:03,105 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 21:02:03,105 INFO L158 Benchmark]: Toolchain (without parser) took 6888.81ms. Allocated memory was 113.2MB in the beginning and 136.3MB in the end (delta: 23.1MB). Free memory was 78.0MB in the beginning and 72.1MB in the end (delta: 6.0MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. [2021-12-06 21:02:03,106 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 79.7MB. Free memory was 58.2MB in the beginning and 58.2MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 21:02:03,106 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.01ms. Allocated memory is still 113.2MB. Free memory was 77.7MB in the beginning and 81.0MB in the end (delta: -3.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-06 21:02:03,106 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.47ms. Allocated memory is still 113.2MB. Free memory was 81.0MB in the beginning and 78.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 21:02:03,107 INFO L158 Benchmark]: Boogie Preprocessor took 28.21ms. Allocated memory is still 113.2MB. Free memory was 78.2MB in the beginning and 76.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 21:02:03,107 INFO L158 Benchmark]: RCFGBuilder took 331.81ms. Allocated memory is still 113.2MB. Free memory was 76.8MB in the beginning and 60.6MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-06 21:02:03,108 INFO L158 Benchmark]: TraceAbstraction took 6116.74ms. Allocated memory was 113.2MB in the beginning and 136.3MB in the end (delta: 23.1MB). Free memory was 60.6MB in the beginning and 78.4MB in the end (delta: -17.7MB). Peak memory consumption was 57.4MB. Max. memory is 16.1GB. [2021-12-06 21:02:03,108 INFO L158 Benchmark]: Witness Printer took 60.46ms. Allocated memory is still 136.3MB. Free memory was 78.4MB in the beginning and 72.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-06 21:02:03,110 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 79.7MB. Free memory was 58.2MB in the beginning and 58.2MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.01ms. Allocated memory is still 113.2MB. Free memory was 77.7MB in the beginning and 81.0MB in the end (delta: -3.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.47ms. Allocated memory is still 113.2MB. Free memory was 81.0MB in the beginning and 78.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.21ms. Allocated memory is still 113.2MB. Free memory was 78.2MB in the beginning and 76.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 331.81ms. Allocated memory is still 113.2MB. Free memory was 76.8MB in the beginning and 60.6MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 6116.74ms. Allocated memory was 113.2MB in the beginning and 136.3MB in the end (delta: 23.1MB). Free memory was 60.6MB in the beginning and 78.4MB in the end (delta: -17.7MB). Peak memory consumption was 57.4MB. Max. memory is 16.1GB. * Witness Printer took 60.46ms. Allocated memory is still 136.3MB. Free memory was 78.4MB in the beginning and 72.1MB in the end (delta: 6.3MB). 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: 507]: 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 7 procedures, 82 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.0s, OverallIterations: 11, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1185 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1156 mSDsluCounter, 3376 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2373 mSDsCounter, 199 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1029 IncrementalHoareTripleChecker+Invalid, 1228 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 199 mSolverCounterUnsat, 1003 mSDtfsCounter, 1029 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 205 GetRequests, 120 SyntacticMatches, 3 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=737occurred in iteration=9, InterpolantAutomatonStates: 84, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 316 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 38 LocationsWithAnnotation, 1193 PreInvPairs, 1507 NumberOfFragments, 2282 HoareAnnotationTreeSize, 1193 FomulaSimplifications, 4942 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 38 FomulaSimplificationsInter, 18552 FormulaSimplificationTreeSizeReductionInter, 2.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 507 NumberOfCodeBlocks, 507 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 495 ConstructedInterpolants, 0 QuantifiedInterpolants, 1207 SizeOfPredicates, 5 NumberOfNonLiveVariables, 366 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 12 InterpolantComputations, 11 PerfectInterpolantSequences, 10/12 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: 503]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && (!(\old(pumpRunning) == 1) || 0 == systemActive) - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 1) || 0 == systemActive) || pumpRunning == 1) && ((!(\old(pumpRunning) == 0) || !(0 <= methaneLevelCritical)) || 0 == systemActive) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 380]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || (((((pumpRunning == 0 && !(tmp___0 == 0)) && tmp == 0) && \result == 0) && \old(waterLevel) == waterLevel) && !(\result == 0))) || ((pumpRunning == 0 && !(2 == waterLevel)) && \old(waterLevel) == waterLevel)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && (!(\old(pumpRunning) == 1) || 0 == systemActive) - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 1) || 0 == systemActive) || pumpRunning == 1) && ((((((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && !(2 == waterLevel)) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || ((((((((((!(tmp == 0) && !(tmp___0 == 0)) && tmp == 0) && tmp <= 0) && \result <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && !(\result == 0)) && pumpRunning == 1)) || ((((((((!(tmp == 0) && !(2 == waterLevel)) && tmp <= 0) && \result <= 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && !(0 == systemActive)) && pumpRunning == 1))) && ((((((((((((((!(tmp == 0) && !(tmp___0 == 0)) && tmp == 0) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && !(\result == 0)) && pumpRunning == 1) || !(\old(pumpRunning) == 0)) || (((((((pumpRunning == 0 && !(tmp == 0)) && !(tmp___0 == 0)) && tmp == 0) && \result == 0) && \old(waterLevel) == waterLevel) && !(tmp == 0)) && !(\result == 0))) || !(1 <= methaneLevelCritical)) || ((((((!(tmp == 0) && !(2 == waterLevel)) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && !(0 == systemActive)) && pumpRunning == 1)) || 0 == systemActive) || ((((pumpRunning == 0 && !(2 == waterLevel)) && \old(waterLevel) == waterLevel) && !(tmp == 0)) && !(0 == systemActive))) - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 1) || 0 == systemActive) || pumpRunning == 1) && ((((((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && !(2 == waterLevel)) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || ((((((((((!(tmp == 0) && !(tmp___0 == 0)) && tmp == 0) && tmp <= 0) && \result <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && !(\result == 0)) && pumpRunning == 1)) || ((((((((!(tmp == 0) && !(2 == waterLevel)) && tmp <= 0) && \result <= 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && !(0 == systemActive)) && pumpRunning == 1))) && ((((((((((((((!(tmp == 0) && !(tmp___0 == 0)) && tmp == 0) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && !(\result == 0)) && pumpRunning == 1) || !(\old(pumpRunning) == 0)) || (((pumpRunning == 0 && !(2 == waterLevel)) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || ((((((!(tmp == 0) && !(2 == waterLevel)) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && !(0 == systemActive)) && pumpRunning == 1)) || 0 == systemActive) || ((((((pumpRunning == 0 && !(tmp == 0)) && !(tmp___0 == 0)) && tmp == 0) && \result == 0) && \old(waterLevel) == waterLevel) && !(\result == 0))) - InvariantResult [Line: 537]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && \result == 1) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 0 && 1 <= methaneLevelCritical) && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) || ((((\result == 1 && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) && pumpRunning == 1)) || ((((((pumpRunning == 0 && \result == 1) && !(2 == waterLevel)) && tmp == 1) && splverifierCounter == 0) && 0 <= methaneLevelCritical) && !(0 == systemActive)) - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && \result == 1) && tmp == 1) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || \old(waterLevel) == 2) && ((!(\old(pumpRunning) == 1) || (\result == 1 && pumpRunning == 1)) || 0 == systemActive)) && (((!(\old(pumpRunning) == 0) || (((((((((!(tmp == 0) && \result == 1) && !(tmp___0 == 0)) && tmp == 0) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && !(\result == 0)) && pumpRunning == 1)) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((((!(\old(pumpRunning) == 0) || (((((((((((!(tmp == 0) && \result == 1) && !(tmp___0 == 0)) && tmp == 0) && tmp <= 0) && \result <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && !(\result == 0)) && pumpRunning == 1)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || ((((((((((!(tmp == 0) && !(tmp___0 == 0)) && tmp == 0) && tmp <= 0) && \result <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && !(\result == 0)) && pumpRunning == 1)) || ((((((((!(tmp == 0) && !(2 == waterLevel)) && tmp <= 0) && \result <= 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && !(0 == systemActive)) && pumpRunning == 1)) && ((((((((((((((!(tmp == 0) && !(tmp___0 == 0)) && tmp == 0) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && !(\result == 0)) && pumpRunning == 1) || !(\old(pumpRunning) == 0)) || !(1 <= methaneLevelCritical)) || ((((((!(tmp == 0) && !(2 == waterLevel)) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && !(0 == systemActive)) && pumpRunning == 1)) || (((pumpRunning == 0 && !(tmp == 0)) && !(2 == waterLevel)) && \old(waterLevel) == waterLevel)) || 0 == systemActive) || ((((((pumpRunning == 0 && !(tmp == 0)) && !(tmp___0 == 0)) && tmp == 0) && \result == 0) && \old(waterLevel) == waterLevel) && !(\result == 0)))) && (!(\old(pumpRunning) == 1) || 0 == systemActive) - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || ((((pumpRunning == 0 && !(tmp == 0)) && !(2 == waterLevel)) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || ((((((pumpRunning == 0 && !(tmp == 0)) && !(tmp___0 == 0)) && tmp == 0) && \result == 0) && \old(waterLevel) == waterLevel) && !(\result == 0))) && (((((!(\old(pumpRunning) == 0) || (((((((methaneLevelCritical == \result && pumpRunning == 0) && !(tmp == 0)) && !(tmp___0 == 0)) && tmp == 0) && \result == 0) && \old(waterLevel) == waterLevel) && !(\result == 0))) || (((((methaneLevelCritical == \result && pumpRunning == 0) && !(tmp == 0)) && !(2 == waterLevel)) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive)) && (!(\old(pumpRunning) == 1) || 0 == systemActive) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 290]: Loop Invariant Derived loop invariant: (((((((((((((!(tmp == 0) && !(tmp___0 == 0)) && tmp == 0) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && !(\result == 0)) && pumpRunning == 1) || !(\old(pumpRunning) == 0)) || !(1 <= methaneLevelCritical)) || ((((((!(tmp == 0) && !(2 == waterLevel)) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && !(0 == systemActive)) && pumpRunning == 1)) || 0 == systemActive) && (((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || ((((((((((!(tmp == 0) && !(tmp___0 == 0)) && tmp == 0) && tmp <= 0) && \result <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && !(\result == 0)) && pumpRunning == 1)) || ((((((((!(tmp == 0) && !(2 == waterLevel)) && tmp <= 0) && \result <= 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && !(0 == systemActive)) && pumpRunning == 1))) && (!(\old(pumpRunning) == 1) || 0 == systemActive) - InvariantResult [Line: 399]: Loop Invariant Derived loop invariant: ((((\result == 1 && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) && pumpRunning == 1) || (((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && 0 <= methaneLevelCritical) && !(0 == systemActive)) - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || \result == 1) && ((((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || (((((((!(tmp == 0) && !(2 == \result)) && !(2 == waterLevel)) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && !(0 == systemActive)) && pumpRunning == 1)) || 0 == systemActive) || \old(waterLevel) == 2)) && ((!(\old(pumpRunning) == 1) || 0 == systemActive) || pumpRunning == 1)) && ((((((!(\old(pumpRunning) == 0) || (((((((((!(tmp == 0) && !(2 == \result)) && !(2 == waterLevel)) && tmp <= 0) && \result <= 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && !(0 == systemActive)) && pumpRunning == 1)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || (((pumpRunning == 0 && !(2 == \result)) && !(2 == waterLevel)) && \old(waterLevel) == waterLevel)) || 0 == systemActive) || ((((((((((!(tmp == 0) && !(tmp___0 == 0)) && tmp == 0) && tmp <= 0) && \result <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && !(\result == 0)) && pumpRunning == 1))) && ((((((((((((!(tmp == 0) && !(tmp___0 == 0)) && tmp == 0) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && !(\result == 0)) && pumpRunning == 1) || !(\old(pumpRunning) == 0)) || !(1 <= methaneLevelCritical)) || (((((((!(tmp == 0) && !(2 == \result)) && !(2 == waterLevel)) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && !(0 == systemActive)) && pumpRunning == 1)) || 0 == systemActive) - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && !(2 == waterLevel)) && \old(waterLevel) == waterLevel)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel)) && (!(\old(pumpRunning) == 1) || 0 == systemActive) RESULT: Ultimate proved your program to be correct! [2021-12-06 21:02:03,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6534d8c-b142-4b77-b18b-2fca0687a4e7/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