./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product47.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_273dc72c-7681-4157-9193-11facfad3c02/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273dc72c-7681-4157-9193-11facfad3c02/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_273dc72c-7681-4157-9193-11facfad3c02/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273dc72c-7681-4157-9193-11facfad3c02/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273dc72c-7681-4157-9193-11facfad3c02/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_273dc72c-7681-4157-9193-11facfad3c02/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 2bb4b23c61a0ce6fb5d219efb233ba1e5b1970509ba14aea9115d570a0ea376d --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 19:21:03,385 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 19:21:03,387 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 19:21:03,417 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 19:21:03,417 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 19:21:03,418 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 19:21:03,420 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 19:21:03,423 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 19:21:03,425 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 19:21:03,426 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 19:21:03,427 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 19:21:03,428 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 19:21:03,429 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 19:21:03,430 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 19:21:03,431 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 19:21:03,433 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 19:21:03,434 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 19:21:03,435 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 19:21:03,437 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 19:21:03,439 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 19:21:03,441 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 19:21:03,443 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 19:21:03,444 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 19:21:03,445 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 19:21:03,448 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 19:21:03,448 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 19:21:03,449 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 19:21:03,450 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 19:21:03,450 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 19:21:03,451 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 19:21:03,452 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 19:21:03,453 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 19:21:03,454 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 19:21:03,454 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 19:21:03,455 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 19:21:03,456 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 19:21:03,456 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 19:21:03,456 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 19:21:03,457 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 19:21:03,457 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 19:21:03,458 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 19:21:03,459 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273dc72c-7681-4157-9193-11facfad3c02/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 19:21:03,481 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 19:21:03,481 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 19:21:03,482 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 19:21:03,482 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 19:21:03,482 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 19:21:03,483 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 19:21:03,483 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 19:21:03,484 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 19:21:03,484 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 19:21:03,484 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 19:21:03,484 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 19:21:03,484 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 19:21:03,485 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 19:21:03,485 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 19:21:03,485 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 19:21:03,485 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 19:21:03,485 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 19:21:03,486 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 19:21:03,486 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 19:21:03,486 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 19:21:03,486 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 19:21:03,486 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 19:21:03,487 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 19:21:03,487 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 19:21:03,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 19:21:03,487 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 19:21:03,487 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 19:21:03,488 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 19:21:03,488 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 19:21:03,488 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 19:21:03,488 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 19:21:03,488 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 19:21:03,489 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 19:21:03,489 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 19:21:03,489 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_273dc72c-7681-4157-9193-11facfad3c02/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273dc72c-7681-4157-9193-11facfad3c02/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2bb4b23c61a0ce6fb5d219efb233ba1e5b1970509ba14aea9115d570a0ea376d [2021-12-06 19:21:03,680 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 19:21:03,696 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 19:21:03,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 19:21:03,698 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 19:21:03,699 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 19:21:03,700 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273dc72c-7681-4157-9193-11facfad3c02/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c [2021-12-06 19:21:03,742 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273dc72c-7681-4157-9193-11facfad3c02/bin/uautomizer-DrprNOufMa/data/1b17e17c6/28e93d753fcf4e90b4f90006ea5bfae3/FLAGd8cbb3320 [2021-12-06 19:21:04,149 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 19:21:04,150 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273dc72c-7681-4157-9193-11facfad3c02/sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c [2021-12-06 19:21:04,159 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273dc72c-7681-4157-9193-11facfad3c02/bin/uautomizer-DrprNOufMa/data/1b17e17c6/28e93d753fcf4e90b4f90006ea5bfae3/FLAGd8cbb3320 [2021-12-06 19:21:04,171 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273dc72c-7681-4157-9193-11facfad3c02/bin/uautomizer-DrprNOufMa/data/1b17e17c6/28e93d753fcf4e90b4f90006ea5bfae3 [2021-12-06 19:21:04,173 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 19:21:04,174 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 19:21:04,176 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 19:21:04,176 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 19:21:04,179 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 19:21:04,179 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:21:04" (1/1) ... [2021-12-06 19:21:04,180 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@843a01c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:21:04, skipping insertion in model container [2021-12-06 19:21:04,180 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:21:04" (1/1) ... [2021-12-06 19:21:04,185 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 19:21:04,217 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 19:21:04,328 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_273dc72c-7681-4157-9193-11facfad3c02/sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c[1605,1618] [2021-12-06 19:21:04,408 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:21:04,415 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 19:21:04,425 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_273dc72c-7681-4157-9193-11facfad3c02/sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c[1605,1618] [2021-12-06 19:21:04,466 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:21:04,479 INFO L208 MainTranslator]: Completed translation [2021-12-06 19:21:04,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:21:04 WrapperNode [2021-12-06 19:21:04,480 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 19:21:04,481 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 19:21:04,481 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 19:21:04,481 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 19:21:04,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:21:04" (1/1) ... [2021-12-06 19:21:04,496 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:21:04" (1/1) ... [2021-12-06 19:21:04,516 INFO L137 Inliner]: procedures = 56, calls = 158, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 249 [2021-12-06 19:21:04,516 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 19:21:04,516 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 19:21:04,516 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 19:21:04,516 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 19:21:04,523 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:21:04" (1/1) ... [2021-12-06 19:21:04,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:21:04" (1/1) ... [2021-12-06 19:21:04,525 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:21:04" (1/1) ... [2021-12-06 19:21:04,525 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:21:04" (1/1) ... [2021-12-06 19:21:04,530 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:21:04" (1/1) ... [2021-12-06 19:21:04,533 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:21:04" (1/1) ... [2021-12-06 19:21:04,535 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:21:04" (1/1) ... [2021-12-06 19:21:04,537 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 19:21:04,538 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 19:21:04,538 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 19:21:04,538 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 19:21:04,539 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:21:04" (1/1) ... [2021-12-06 19:21:04,545 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 19:21:04,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273dc72c-7681-4157-9193-11facfad3c02/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:21:04,567 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273dc72c-7681-4157-9193-11facfad3c02/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 19:21:04,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273dc72c-7681-4157-9193-11facfad3c02/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 19:21:04,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 19:21:04,595 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-06 19:21:04,595 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-06 19:21:04,595 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-06 19:21:04,595 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-06 19:21:04,596 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-06 19:21:04,596 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-06 19:21:04,596 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-12-06 19:21:04,596 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-12-06 19:21:04,596 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-06 19:21:04,596 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-06 19:21:04,596 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-12-06 19:21:04,596 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-12-06 19:21:04,596 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-12-06 19:21:04,596 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-12-06 19:21:04,596 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-12-06 19:21:04,596 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-12-06 19:21:04,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 19:21:04,596 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-06 19:21:04,597 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-06 19:21:04,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 19:21:04,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 19:21:04,648 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 19:21:04,650 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 19:21:04,874 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 19:21:04,880 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 19:21:04,880 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-06 19:21:04,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:21:04 BoogieIcfgContainer [2021-12-06 19:21:04,882 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 19:21:04,883 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 19:21:04,883 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 19:21:04,886 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 19:21:04,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 07:21:04" (1/3) ... [2021-12-06 19:21:04,887 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@121c2001 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:21:04, skipping insertion in model container [2021-12-06 19:21:04,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:21:04" (2/3) ... [2021-12-06 19:21:04,887 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@121c2001 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:21:04, skipping insertion in model container [2021-12-06 19:21:04,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:21:04" (3/3) ... [2021-12-06 19:21:04,888 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product47.cil.c [2021-12-06 19:21:04,892 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 19:21:04,892 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 19:21:04,933 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 19:21:04,938 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 19:21:04,938 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 19:21:04,952 INFO L276 IsEmpty]: Start isEmpty. Operand has 102 states, 75 states have (on average 1.3733333333333333) internal successors, (103), 84 states have internal predecessors, (103), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) [2021-12-06 19:21:04,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-12-06 19:21:04,962 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:21:04,962 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 19:21:04,963 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:21:04,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:21:04,967 INFO L85 PathProgramCache]: Analyzing trace with hash -320439114, now seen corresponding path program 1 times [2021-12-06 19:21:04,973 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:21:04,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734651054] [2021-12-06 19:21:04,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:21:04,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:21:05,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:05,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-06 19:21:05,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:05,124 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 19:21:05,124 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:21:05,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734651054] [2021-12-06 19:21:05,125 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734651054] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:21:05,125 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:21:05,125 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 19:21:05,126 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187499515] [2021-12-06 19:21:05,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:21:05,130 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-06 19:21:05,130 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:21:05,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-06 19:21:05,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 19:21:05,155 INFO L87 Difference]: Start difference. First operand has 102 states, 75 states have (on average 1.3733333333333333) internal successors, (103), 84 states have internal predecessors, (103), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) 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 19:21:05,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:21:05,189 INFO L93 Difference]: Finished difference Result 195 states and 264 transitions. [2021-12-06 19:21:05,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 19:21:05,191 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 19:21:05,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:21:05,199 INFO L225 Difference]: With dead ends: 195 [2021-12-06 19:21:05,199 INFO L226 Difference]: Without dead ends: 93 [2021-12-06 19:21:05,203 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 19:21:05,206 INFO L933 BasicCegarLoop]: 129 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, 129 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 19:21:05,207 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 19:21:05,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2021-12-06 19:21:05,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2021-12-06 19:21:05,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 68 states have (on average 1.3088235294117647) internal successors, (89), 76 states have internal predecessors, (89), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 12 states have call predecessors, (15), 15 states have call successors, (15) [2021-12-06 19:21:05,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 120 transitions. [2021-12-06 19:21:05,249 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 120 transitions. Word has length 25 [2021-12-06 19:21:05,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:21:05,250 INFO L470 AbstractCegarLoop]: Abstraction has 93 states and 120 transitions. [2021-12-06 19:21:05,250 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 19:21:05,250 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 120 transitions. [2021-12-06 19:21:05,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-12-06 19:21:05,253 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:21:05,253 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 19:21:05,253 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 19:21:05,254 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:21:05,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:21:05,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1934434610, now seen corresponding path program 1 times [2021-12-06 19:21:05,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:21:05,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930187200] [2021-12-06 19:21:05,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:21:05,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:21:05,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:05,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-06 19:21:05,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:05,342 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 19:21:05,342 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:21:05,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930187200] [2021-12-06 19:21:05,342 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930187200] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:21:05,343 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:21:05,343 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 19:21:05,343 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731798434] [2021-12-06 19:21:05,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:21:05,344 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 19:21:05,344 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:21:05,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 19:21:05,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 19:21:05,345 INFO L87 Difference]: Start difference. First operand 93 states and 120 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 19:21:05,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:21:05,365 INFO L93 Difference]: Finished difference Result 147 states and 189 transitions. [2021-12-06 19:21:05,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 19:21:05,365 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 19:21:05,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:21:05,367 INFO L225 Difference]: With dead ends: 147 [2021-12-06 19:21:05,368 INFO L226 Difference]: Without dead ends: 84 [2021-12-06 19:21:05,369 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 19:21:05,370 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 16 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 193 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 19:21:05,371 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 193 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 19:21:05,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2021-12-06 19:21:05,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2021-12-06 19:21:05,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 62 states have (on average 1.3225806451612903) internal successors, (82), 70 states have internal predecessors, (82), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2021-12-06 19:21:05,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 108 transitions. [2021-12-06 19:21:05,384 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 108 transitions. Word has length 26 [2021-12-06 19:21:05,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:21:05,385 INFO L470 AbstractCegarLoop]: Abstraction has 84 states and 108 transitions. [2021-12-06 19:21:05,385 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 19:21:05,385 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 108 transitions. [2021-12-06 19:21:05,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-12-06 19:21:05,387 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:21:05,387 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] [2021-12-06 19:21:05,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 19:21:05,387 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:21:05,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:21:05,388 INFO L85 PathProgramCache]: Analyzing trace with hash -172475024, now seen corresponding path program 1 times [2021-12-06 19:21:05,388 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:21:05,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350887999] [2021-12-06 19:21:05,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:21:05,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:21:05,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:05,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 19:21:05,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:05,469 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 19:21:05,469 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:21:05,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350887999] [2021-12-06 19:21:05,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350887999] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:21:05,470 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:21:05,470 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 19:21:05,470 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683584040] [2021-12-06 19:21:05,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:21:05,470 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 19:21:05,470 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:21:05,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 19:21:05,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-06 19:21:05,471 INFO L87 Difference]: Start difference. First operand 84 states and 108 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 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 19:21:05,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:21:05,621 INFO L93 Difference]: Finished difference Result 278 states and 365 transitions. [2021-12-06 19:21:05,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 19:21:05,621 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 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 30 [2021-12-06 19:21:05,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:21:05,623 INFO L225 Difference]: With dead ends: 278 [2021-12-06 19:21:05,623 INFO L226 Difference]: Without dead ends: 202 [2021-12-06 19:21:05,624 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-06 19:21:05,625 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 288 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:21:05,626 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [288 Valid, 468 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 19:21:05,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2021-12-06 19:21:05,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 196. [2021-12-06 19:21:05,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 143 states have (on average 1.3566433566433567) internal successors, (194), 161 states have internal predecessors, (194), 31 states have call successors, (31), 21 states have call predecessors, (31), 21 states have return successors, (32), 23 states have call predecessors, (32), 31 states have call successors, (32) [2021-12-06 19:21:05,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 257 transitions. [2021-12-06 19:21:05,652 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 257 transitions. Word has length 30 [2021-12-06 19:21:05,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:21:05,653 INFO L470 AbstractCegarLoop]: Abstraction has 196 states and 257 transitions. [2021-12-06 19:21:05,653 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 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 19:21:05,653 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 257 transitions. [2021-12-06 19:21:05,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-12-06 19:21:05,655 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:21:05,655 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] [2021-12-06 19:21:05,655 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 19:21:05,655 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:21:05,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:21:05,655 INFO L85 PathProgramCache]: Analyzing trace with hash -1019876102, now seen corresponding path program 1 times [2021-12-06 19:21:05,656 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:21:05,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079848656] [2021-12-06 19:21:05,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:21:05,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:21:05,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:05,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-06 19:21:05,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:05,708 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 19:21:05,708 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:21:05,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079848656] [2021-12-06 19:21:05,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079848656] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:21:05,709 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:21:05,709 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 19:21:05,709 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216707303] [2021-12-06 19:21:05,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:21:05,709 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 19:21:05,709 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:21:05,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 19:21:05,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 19:21:05,710 INFO L87 Difference]: Start difference. First operand 196 states and 257 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 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 19:21:05,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:21:05,791 INFO L93 Difference]: Finished difference Result 570 states and 759 transitions. [2021-12-06 19:21:05,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 19:21:05,791 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 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 34 [2021-12-06 19:21:05,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:21:05,796 INFO L225 Difference]: With dead ends: 570 [2021-12-06 19:21:05,796 INFO L226 Difference]: Without dead ends: 382 [2021-12-06 19:21:05,798 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-06 19:21:05,799 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 76 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 19:21:05,800 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [79 Valid, 532 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 19:21:05,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2021-12-06 19:21:05,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 373. [2021-12-06 19:21:05,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 268 states have (on average 1.335820895522388) internal successors, (358), 303 states have internal predecessors, (358), 62 states have call successors, (62), 42 states have call predecessors, (62), 42 states have return successors, (67), 46 states have call predecessors, (67), 62 states have call successors, (67) [2021-12-06 19:21:05,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 487 transitions. [2021-12-06 19:21:05,848 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 487 transitions. Word has length 34 [2021-12-06 19:21:05,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:21:05,848 INFO L470 AbstractCegarLoop]: Abstraction has 373 states and 487 transitions. [2021-12-06 19:21:05,848 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 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 19:21:05,848 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 487 transitions. [2021-12-06 19:21:05,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-12-06 19:21:05,851 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:21:05,852 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:21:05,852 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 19:21:05,852 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:21:05,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:21:05,853 INFO L85 PathProgramCache]: Analyzing trace with hash 292189750, now seen corresponding path program 1 times [2021-12-06 19:21:05,853 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:21:05,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161321760] [2021-12-06 19:21:05,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:21:05,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:21:05,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:05,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:21:05,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:05,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-06 19:21:05,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:05,917 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 19:21:05,917 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:21:05,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161321760] [2021-12-06 19:21:05,917 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161321760] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:21:05,918 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:21:05,918 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 19:21:05,918 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700605013] [2021-12-06 19:21:05,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:21:05,919 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 19:21:05,919 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:21:05,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 19:21:05,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 19:21:05,920 INFO L87 Difference]: Start difference. First operand 373 states and 487 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 3 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 19:21:06,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:21:06,108 INFO L93 Difference]: Finished difference Result 924 states and 1225 transitions. [2021-12-06 19:21:06,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 19:21:06,109 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 3 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 38 [2021-12-06 19:21:06,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:21:06,112 INFO L225 Difference]: With dead ends: 924 [2021-12-06 19:21:06,112 INFO L226 Difference]: Without dead ends: 559 [2021-12-06 19:21:06,114 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-12-06 19:21:06,115 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 129 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:21:06,115 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 246 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 19:21:06,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2021-12-06 19:21:06,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 540. [2021-12-06 19:21:06,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 391 states have (on average 1.2710997442455243) internal successors, (497), 428 states have internal predecessors, (497), 80 states have call successors, (80), 68 states have call predecessors, (80), 68 states have return successors, (105), 74 states have call predecessors, (105), 80 states have call successors, (105) [2021-12-06 19:21:06,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 682 transitions. [2021-12-06 19:21:06,149 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 682 transitions. Word has length 38 [2021-12-06 19:21:06,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:21:06,150 INFO L470 AbstractCegarLoop]: Abstraction has 540 states and 682 transitions. [2021-12-06 19:21:06,150 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 3 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 19:21:06,150 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 682 transitions. [2021-12-06 19:21:06,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-12-06 19:21:06,152 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:21:06,152 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:21:06,152 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 19:21:06,153 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:21:06,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:21:06,153 INFO L85 PathProgramCache]: Analyzing trace with hash 363168403, now seen corresponding path program 1 times [2021-12-06 19:21:06,153 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:21:06,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045742186] [2021-12-06 19:21:06,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:21:06,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:21:06,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:06,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:21:06,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:06,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-06 19:21:06,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:06,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 19:21:06,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:06,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:21:06,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:06,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 19:21:06,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:06,223 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 19:21:06,223 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:21:06,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045742186] [2021-12-06 19:21:06,224 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045742186] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:21:06,224 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:21:06,224 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 19:21:06,224 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004058133] [2021-12-06 19:21:06,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:21:06,225 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 19:21:06,225 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:21:06,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 19:21:06,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-06 19:21:06,226 INFO L87 Difference]: Start difference. First operand 540 states and 682 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2021-12-06 19:21:06,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:21:06,524 INFO L93 Difference]: Finished difference Result 1772 states and 2353 transitions. [2021-12-06 19:21:06,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-06 19:21:06,525 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 60 [2021-12-06 19:21:06,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:21:06,534 INFO L225 Difference]: With dead ends: 1772 [2021-12-06 19:21:06,534 INFO L226 Difference]: Without dead ends: 1240 [2021-12-06 19:21:06,537 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2021-12-06 19:21:06,539 INFO L933 BasicCegarLoop]: 112 mSDtfsCounter, 355 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 357 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 19:21:06,539 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [357 Valid, 298 Invalid, 472 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 19:21:06,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1240 states. [2021-12-06 19:21:06,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1240 to 1058. [2021-12-06 19:21:06,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1058 states, 783 states have (on average 1.240102171136654) internal successors, (971), 836 states have internal predecessors, (971), 146 states have call successors, (146), 122 states have call predecessors, (146), 128 states have return successors, (220), 142 states have call predecessors, (220), 146 states have call successors, (220) [2021-12-06 19:21:06,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 1058 states and 1337 transitions. [2021-12-06 19:21:06,619 INFO L78 Accepts]: Start accepts. Automaton has 1058 states and 1337 transitions. Word has length 60 [2021-12-06 19:21:06,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:21:06,619 INFO L470 AbstractCegarLoop]: Abstraction has 1058 states and 1337 transitions. [2021-12-06 19:21:06,619 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2021-12-06 19:21:06,619 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1337 transitions. [2021-12-06 19:21:06,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-12-06 19:21:06,622 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:21:06,622 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:21:06,622 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 19:21:06,622 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:21:06,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:21:06,622 INFO L85 PathProgramCache]: Analyzing trace with hash 435554961, now seen corresponding path program 1 times [2021-12-06 19:21:06,623 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:21:06,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371515913] [2021-12-06 19:21:06,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:21:06,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:21:06,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:06,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:21:06,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:06,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-06 19:21:06,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:06,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 19:21:06,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:06,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:21:06,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:06,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 19:21:06,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:06,686 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 19:21:06,686 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:21:06,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371515913] [2021-12-06 19:21:06,687 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371515913] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:21:06,687 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:21:06,687 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 19:21:06,687 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253822596] [2021-12-06 19:21:06,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:21:06,688 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 19:21:06,688 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:21:06,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 19:21:06,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-06 19:21:06,689 INFO L87 Difference]: Start difference. First operand 1058 states and 1337 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-06 19:21:06,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:21:06,911 INFO L93 Difference]: Finished difference Result 2174 states and 2827 transitions. [2021-12-06 19:21:06,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 19:21:06,912 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 60 [2021-12-06 19:21:06,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:21:06,920 INFO L225 Difference]: With dead ends: 2174 [2021-12-06 19:21:06,920 INFO L226 Difference]: Without dead ends: 1124 [2021-12-06 19:21:06,925 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-06 19:21:06,926 INFO L933 BasicCegarLoop]: 90 mSDtfsCounter, 136 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:21:06,926 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 264 Invalid, 338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 19:21:06,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1124 states. [2021-12-06 19:21:06,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1124 to 1082. [2021-12-06 19:21:06,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1082 states, 807 states have (on average 1.2329615861214374) internal successors, (995), 860 states have internal predecessors, (995), 146 states have call successors, (146), 122 states have call predecessors, (146), 128 states have return successors, (220), 142 states have call predecessors, (220), 146 states have call successors, (220) [2021-12-06 19:21:06,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1082 states to 1082 states and 1361 transitions. [2021-12-06 19:21:06,985 INFO L78 Accepts]: Start accepts. Automaton has 1082 states and 1361 transitions. Word has length 60 [2021-12-06 19:21:06,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:21:06,985 INFO L470 AbstractCegarLoop]: Abstraction has 1082 states and 1361 transitions. [2021-12-06 19:21:06,986 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-06 19:21:06,986 INFO L276 IsEmpty]: Start isEmpty. Operand 1082 states and 1361 transitions. [2021-12-06 19:21:06,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-12-06 19:21:06,992 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:21:06,992 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:21:06,992 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-06 19:21:06,992 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:21:06,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:21:06,993 INFO L85 PathProgramCache]: Analyzing trace with hash 1137154835, now seen corresponding path program 1 times [2021-12-06 19:21:06,993 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:21:06,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712904183] [2021-12-06 19:21:06,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:21:06,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:21:07,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:07,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:21:07,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:07,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-06 19:21:07,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:07,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 19:21:07,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:07,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:21:07,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:07,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 19:21:07,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:07,048 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 19:21:07,049 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:21:07,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712904183] [2021-12-06 19:21:07,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712904183] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:21:07,049 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:21:07,049 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 19:21:07,049 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228222934] [2021-12-06 19:21:07,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:21:07,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 19:21:07,050 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:21:07,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 19:21:07,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 19:21:07,051 INFO L87 Difference]: Start difference. First operand 1082 states and 1361 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-06 19:21:07,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:21:07,243 INFO L93 Difference]: Finished difference Result 1974 states and 2521 transitions. [2021-12-06 19:21:07,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 19:21:07,243 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 60 [2021-12-06 19:21:07,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:21:07,249 INFO L225 Difference]: With dead ends: 1974 [2021-12-06 19:21:07,250 INFO L226 Difference]: Without dead ends: 900 [2021-12-06 19:21:07,254 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-06 19:21:07,255 INFO L933 BasicCegarLoop]: 91 mSDtfsCounter, 137 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:21:07,255 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [138 Valid, 223 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 19:21:07,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2021-12-06 19:21:07,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 886. [2021-12-06 19:21:07,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 886 states, 659 states have (on average 1.2154779969650986) internal successors, (801), 702 states have internal predecessors, (801), 120 states have call successors, (120), 100 states have call predecessors, (120), 106 states have return successors, (162), 116 states have call predecessors, (162), 120 states have call successors, (162) [2021-12-06 19:21:07,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 1083 transitions. [2021-12-06 19:21:07,297 INFO L78 Accepts]: Start accepts. Automaton has 886 states and 1083 transitions. Word has length 60 [2021-12-06 19:21:07,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:21:07,298 INFO L470 AbstractCegarLoop]: Abstraction has 886 states and 1083 transitions. [2021-12-06 19:21:07,298 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2021-12-06 19:21:07,298 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1083 transitions. [2021-12-06 19:21:07,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-12-06 19:21:07,300 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:21:07,300 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:21:07,300 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-06 19:21:07,300 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:21:07,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:21:07,301 INFO L85 PathProgramCache]: Analyzing trace with hash 1046043951, now seen corresponding path program 1 times [2021-12-06 19:21:07,301 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:21:07,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142540103] [2021-12-06 19:21:07,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:21:07,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:21:07,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:07,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 19:21:07,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:07,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 19:21:07,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:07,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-06 19:21:07,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:07,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 19:21:07,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:07,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:21:07,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:07,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-06 19:21:07,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:07,414 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 19:21:07,415 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:21:07,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142540103] [2021-12-06 19:21:07,415 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142540103] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:21:07,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [257455669] [2021-12-06 19:21:07,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:21:07,415 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:21:07,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273dc72c-7681-4157-9193-11facfad3c02/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:21:07,416 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273dc72c-7681-4157-9193-11facfad3c02/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:21:07,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273dc72c-7681-4157-9193-11facfad3c02/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 19:21:07,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:07,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-06 19:21:07,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:21:07,697 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 19:21:07,697 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 19:21:07,697 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [257455669] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:21:07,697 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 19:21:07,697 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [15] total 20 [2021-12-06 19:21:07,697 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856067757] [2021-12-06 19:21:07,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:21:07,698 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 19:21:07,698 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:21:07,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 19:21:07,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-12-06 19:21:07,698 INFO L87 Difference]: Start difference. First operand 886 states and 1083 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 6 states have internal predecessors, (51), 3 states have call successors, (7), 3 states have call predecessors, (7), 5 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2021-12-06 19:21:07,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:21:07,844 INFO L93 Difference]: Finished difference Result 1738 states and 2130 transitions. [2021-12-06 19:21:07,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 19:21:07,845 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 6 states have internal predecessors, (51), 3 states have call successors, (7), 3 states have call predecessors, (7), 5 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) Word has length 64 [2021-12-06 19:21:07,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:21:07,850 INFO L225 Difference]: With dead ends: 1738 [2021-12-06 19:21:07,850 INFO L226 Difference]: Without dead ends: 860 [2021-12-06 19:21:07,854 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-12-06 19:21:07,854 INFO L933 BasicCegarLoop]: 187 mSDtfsCounter, 71 mSDsluCounter, 863 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 1050 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:21:07,855 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [75 Valid, 1050 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 19:21:07,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 860 states. [2021-12-06 19:21:07,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 860 to 856. [2021-12-06 19:21:07,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 856 states, 635 states have (on average 1.1984251968503936) internal successors, (761), 676 states have internal predecessors, (761), 118 states have call successors, (118), 100 states have call predecessors, (118), 102 states have return successors, (143), 112 states have call predecessors, (143), 118 states have call successors, (143) [2021-12-06 19:21:07,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1022 transitions. [2021-12-06 19:21:07,911 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1022 transitions. Word has length 64 [2021-12-06 19:21:07,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:21:07,911 INFO L470 AbstractCegarLoop]: Abstraction has 856 states and 1022 transitions. [2021-12-06 19:21:07,912 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 6 states have internal predecessors, (51), 3 states have call successors, (7), 3 states have call predecessors, (7), 5 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2021-12-06 19:21:07,912 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1022 transitions. [2021-12-06 19:21:07,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-12-06 19:21:07,916 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:21:07,916 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:21:07,938 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273dc72c-7681-4157-9193-11facfad3c02/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-06 19:21:08,117 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273dc72c-7681-4157-9193-11facfad3c02/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:21:08,117 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:21:08,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:21:08,118 INFO L85 PathProgramCache]: Analyzing trace with hash 2119698815, now seen corresponding path program 1 times [2021-12-06 19:21:08,118 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:21:08,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809719354] [2021-12-06 19:21:08,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:21:08,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:21:08,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:08,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 19:21:08,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:08,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 19:21:08,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:08,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:21:08,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:08,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 19:21:08,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:08,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:21:08,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:08,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 19:21:08,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:08,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-06 19:21:08,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:08,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-06 19:21:08,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:08,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:21:08,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:08,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-06 19:21:08,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:08,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 19:21:08,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:08,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-06 19:21:08,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:08,218 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-12-06 19:21:08,218 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:21:08,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809719354] [2021-12-06 19:21:08,219 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809719354] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:21:08,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [863287402] [2021-12-06 19:21:08,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:21:08,219 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:21:08,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273dc72c-7681-4157-9193-11facfad3c02/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:21:08,220 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273dc72c-7681-4157-9193-11facfad3c02/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:21:08,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273dc72c-7681-4157-9193-11facfad3c02/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-06 19:21:08,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:08,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 19:21:08,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:21:08,400 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-12-06 19:21:08,400 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 19:21:08,400 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [863287402] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:21:08,400 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 19:21:08,400 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 7 [2021-12-06 19:21:08,401 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132065176] [2021-12-06 19:21:08,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:21:08,401 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 19:21:08,401 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:21:08,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 19:21:08,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-06 19:21:08,402 INFO L87 Difference]: Start difference. First operand 856 states and 1022 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2021-12-06 19:21:08,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:21:08,455 INFO L93 Difference]: Finished difference Result 1790 states and 2233 transitions. [2021-12-06 19:21:08,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 19:21:08,456 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 108 [2021-12-06 19:21:08,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:21:08,461 INFO L225 Difference]: With dead ends: 1790 [2021-12-06 19:21:08,461 INFO L226 Difference]: Without dead ends: 1186 [2021-12-06 19:21:08,463 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 130 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-06 19:21:08,464 INFO L933 BasicCegarLoop]: 168 mSDtfsCounter, 34 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 19:21:08,464 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 261 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 19:21:08,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1186 states. [2021-12-06 19:21:08,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1186 to 1176. [2021-12-06 19:21:08,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1176 states, 867 states have (on average 1.2018454440599768) internal successors, (1042), 926 states have internal predecessors, (1042), 162 states have call successors, (162), 146 states have call predecessors, (162), 146 states have return successors, (236), 156 states have call predecessors, (236), 162 states have call successors, (236) [2021-12-06 19:21:08,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 1176 states and 1440 transitions. [2021-12-06 19:21:08,514 INFO L78 Accepts]: Start accepts. Automaton has 1176 states and 1440 transitions. Word has length 108 [2021-12-06 19:21:08,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:21:08,514 INFO L470 AbstractCegarLoop]: Abstraction has 1176 states and 1440 transitions. [2021-12-06 19:21:08,514 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2021-12-06 19:21:08,514 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 1440 transitions. [2021-12-06 19:21:08,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-12-06 19:21:08,518 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:21:08,518 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:21:08,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273dc72c-7681-4157-9193-11facfad3c02/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-06 19:21:08,718 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273dc72c-7681-4157-9193-11facfad3c02/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-06 19:21:08,718 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:21:08,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:21:08,719 INFO L85 PathProgramCache]: Analyzing trace with hash -1331262979, now seen corresponding path program 1 times [2021-12-06 19:21:08,719 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:21:08,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471560243] [2021-12-06 19:21:08,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:21:08,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:21:08,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:08,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 19:21:08,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:08,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 19:21:08,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:08,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:21:08,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:08,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 19:21:08,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:08,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:21:08,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:08,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 19:21:08,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:08,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-06 19:21:08,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:08,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-06 19:21:08,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:08,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:21:08,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:08,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-06 19:21:08,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:08,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 19:21:08,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:08,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-06 19:21:08,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:08,858 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-12-06 19:21:08,858 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:21:08,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471560243] [2021-12-06 19:21:08,858 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471560243] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:21:08,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [211430633] [2021-12-06 19:21:08,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:21:08,859 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:21:08,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273dc72c-7681-4157-9193-11facfad3c02/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:21:08,859 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273dc72c-7681-4157-9193-11facfad3c02/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:21:08,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273dc72c-7681-4157-9193-11facfad3c02/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-06 19:21:08,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:21:08,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-06 19:21:08,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:21:09,108 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-12-06 19:21:09,108 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 19:21:09,108 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [211430633] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:21:09,108 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 19:21:09,108 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [15] total 20 [2021-12-06 19:21:09,108 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020643796] [2021-12-06 19:21:09,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:21:09,109 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 19:21:09,109 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:21:09,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 19:21:09,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2021-12-06 19:21:09,110 INFO L87 Difference]: Start difference. First operand 1176 states and 1440 transitions. Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) [2021-12-06 19:21:09,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:21:09,218 INFO L93 Difference]: Finished difference Result 2016 states and 2496 transitions. [2021-12-06 19:21:09,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 19:21:09,218 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) Word has length 108 [2021-12-06 19:21:09,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:21:09,219 INFO L225 Difference]: With dead ends: 2016 [2021-12-06 19:21:09,219 INFO L226 Difference]: Without dead ends: 0 [2021-12-06 19:21:09,223 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=400, Unknown=0, NotChecked=0, Total=462 [2021-12-06 19:21:09,224 INFO L933 BasicCegarLoop]: 191 mSDtfsCounter, 76 mSDsluCounter, 666 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 857 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:21:09,224 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [80 Valid, 857 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 19:21:09,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-06 19:21:09,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-06 19:21:09,224 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 19:21:09,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-06 19:21:09,225 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 108 [2021-12-06 19:21:09,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:21:09,225 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 19:21:09,225 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) [2021-12-06 19:21:09,225 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-06 19:21:09,225 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-06 19:21:09,227 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 19:21:09,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273dc72c-7681-4157-9193-11facfad3c02/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-06 19:21:09,428 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273dc72c-7681-4157-9193-11facfad3c02/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-12-06 19:21:09,429 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-06 19:21:12,398 INFO L854 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 818 825) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2021-12-06 19:21:12,398 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 818 825) no Hoare annotation was computed. [2021-12-06 19:21:12,398 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 818 825) no Hoare annotation was computed. [2021-12-06 19:21:12,398 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 734 740) no Hoare annotation was computed. [2021-12-06 19:21:12,398 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 734 740) the Hoare annotation is: true [2021-12-06 19:21:12,398 INFO L858 garLoopResultBuilder]: For program point L640-1(lines 636 647) no Hoare annotation was computed. [2021-12-06 19:21:12,398 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 636 647) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 (not (<= 1 |old(~methaneLevelCritical~0)|))) (or .cse2 .cse0 .cse1) (or .cse2 .cse1 (= 0 ~systemActive~0)))) [2021-12-06 19:21:12,399 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 636 647) no Hoare annotation was computed. [2021-12-06 19:21:12,399 INFO L854 garLoopResultBuilder]: At program point L787(line 787) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0))) (let ((.cse10 (= ~methaneLevelCritical~0 0)) (.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse12 (= ~pumpRunning~0 0)) (.cse13 (not .cse3))) (let ((.cse1 (and .cse11 .cse12 .cse13)) (.cse4 (<= 2 ~waterLevel~0)) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse8 (= ~waterLevel~0 1)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse9 (and .cse11 .cse12 .cse10 .cse13)) (.cse5 (not .cse10))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse6) (or .cse0 .cse4 .cse2 .cse6) (or .cse0 .cse7 .cse2 .cse8) (or .cse0 .cse7 .cse5 .cse8) (or .cse0 .cse9 .cse5) (or .cse9 .cse5 .cse3))))) [2021-12-06 19:21:12,399 INFO L854 garLoopResultBuilder]: At program point L787-1(lines 768 792) the Hoare annotation is: (let ((.cse12 (= 0 ~systemActive~0))) (let ((.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse11 (= ~pumpRunning~0 0)) (.cse13 (= ~methaneLevelCritical~0 0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse8 (not .cse12))) (let ((.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse6 (= ~waterLevel~0 1)) (.cse9 (and .cse13 .cse3 .cse8)) (.cse7 (not .cse13)) (.cse1 (and .cse10 .cse11 .cse8)) (.cse2 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse2 .cse4) (or .cse0 .cse5 .cse2 .cse6) (or .cse0 .cse7 .cse8) (or .cse0 .cse9 .cse7 .cse4) (or .cse0 .cse5 .cse7 .cse6) (or .cse10 .cse11 .cse9 .cse7 .cse12) (or .cse1 (and .cse11 (<= 1 |timeShift_processEnvironment_~tmp~6#1|)) .cse2 .cse12))))) [2021-12-06 19:21:12,399 INFO L858 garLoopResultBuilder]: For program point L721-1(lines 721 727) no Hoare annotation was computed. [2021-12-06 19:21:12,399 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 710 733) no Hoare annotation was computed. [2021-12-06 19:21:12,399 INFO L858 garLoopResultBuilder]: For program point L486(lines 486 496) no Hoare annotation was computed. [2021-12-06 19:21:12,399 INFO L858 garLoopResultBuilder]: For program point L482(lines 482 499) no Hoare annotation was computed. [2021-12-06 19:21:12,400 INFO L854 garLoopResultBuilder]: At program point L482-1(lines 474 502) the Hoare annotation is: (let ((.cse8 (= 0 ~systemActive~0))) (let ((.cse1 (<= 2 ~waterLevel~0)) (.cse13 (not .cse8)) (.cse12 (= ~pumpRunning~0 0)) (.cse11 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~3#1| 0))) (let ((.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse6 (= ~waterLevel~0 1)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (and .cse12 .cse11)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse9 (and .cse11 .cse1 .cse13)) (.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse0 .cse5 .cse4 .cse6) (or .cse7 .cse2 .cse8 .cse9 (and .cse10 .cse11)) (or .cse0 .cse5 .cse2 .cse6) (or .cse0 .cse12 .cse4) (or .cse0 .cse7 .cse2 .cse9) (or (and .cse10 .cse12 .cse13) (and .cse12 (<= 1 |timeShift_processEnvironment_~tmp~6#1|) .cse13) .cse4 .cse8))))) [2021-12-06 19:21:12,400 INFO L854 garLoopResultBuilder]: At program point L842(lines 837 845) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= |timeShift_isPumpRunning_#res#1| 0)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= 0 ~systemActive~0))) (and (or .cse0 .cse1) (or .cse0 (<= 2 ~waterLevel~0) .cse2 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse2 (= ~waterLevel~0 1)) (or .cse0 (and .cse3 .cse4) .cse2) (or .cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3) (and .cse3 .cse4 (<= 1 |timeShift_processEnvironment_~tmp~6#1|)) .cse5) (or .cse1 .cse5))) [2021-12-06 19:21:12,400 INFO L858 garLoopResultBuilder]: For program point L714-1(lines 713 732) no Hoare annotation was computed. [2021-12-06 19:21:12,400 INFO L858 garLoopResultBuilder]: For program point L776(lines 776 784) no Hoare annotation was computed. [2021-12-06 19:21:12,400 INFO L858 garLoopResultBuilder]: For program point L487(lines 487 493) no Hoare annotation was computed. [2021-12-06 19:21:12,400 INFO L858 garLoopResultBuilder]: For program point L772(lines 772 789) no Hoare annotation was computed. [2021-12-06 19:21:12,400 INFO L858 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2021-12-06 19:21:12,400 INFO L858 garLoopResultBuilder]: For program point L616(lines 616 620) no Hoare annotation was computed. [2021-12-06 19:21:12,401 INFO L854 garLoopResultBuilder]: At program point L616-2(lines 612 623) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse0 .cse3) (or .cse2 .cse1 .cse4))) [2021-12-06 19:21:12,401 INFO L854 garLoopResultBuilder]: At program point L480(line 480) the Hoare annotation is: (let ((.cse11 (= ~methaneLevelCritical~0 0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse10 (= 0 ~systemActive~0))) (let ((.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse8 (= ~waterLevel~0 1)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (and .cse11 .cse1 (not .cse10))) (.cse2 (not .cse11)) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse0 .cse5 .cse6 .cse2) (or .cse0 .cse7 .cse4 .cse8) (or .cse0 .cse7 .cse2 .cse8) (or .cse0 .cse5 .cse4) (or .cse9 .cse5 .cse6 .cse2 .cse10) (or (and .cse5 (<= 1 |timeShift_processEnvironment_~tmp~6#1|)) .cse4 (and .cse9 .cse5) .cse10)))) [2021-12-06 19:21:12,401 INFO L858 garLoopResultBuilder]: For program point L480-1(line 480) no Hoare annotation was computed. [2021-12-06 19:21:12,401 INFO L854 garLoopResultBuilder]: At program point L55(lines 50 57) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1) (or .cse2 .cse3) (or .cse2 .cse0) (or .cse3 .cse1))) [2021-12-06 19:21:12,401 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 710 733) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse7 (= ~waterLevel~0 1)) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (= ~pumpRunning~0 0)) (.cse9 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse3) (or .cse4 .cse0 .cse1 .cse3) (or .cse4 .cse6 .cse1 .cse7) (or .cse0 .cse5 .cse2 .cse3) (or .cse4 .cse6 .cse5 .cse7) (or .cse4 .cse8 .cse1) (or .cse9 .cse1 .cse2) (or .cse4 .cse8 .cse5) (or .cse9 .cse5 .cse2))) [2021-12-06 19:21:12,401 INFO L854 garLoopResultBuilder]: At program point L782(line 782) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1) (or .cse2 .cse3) (or .cse2 .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3 .cse1))) [2021-12-06 19:21:12,401 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 710 733) no Hoare annotation was computed. [2021-12-06 19:21:12,401 INFO L854 garLoopResultBuilder]: At program point L778(line 778) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1) (or .cse2 .cse3 (and .cse4 (<= 1 |timeShift_processEnvironment_~tmp~6#1|))) (or .cse0 .cse2) (or .cse4 .cse1 .cse3))) [2021-12-06 19:21:12,401 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-12-06 19:21:12,402 INFO L854 garLoopResultBuilder]: At program point L774(line 774) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse0 .cse3) (or .cse2 .cse1 .cse4))) [2021-12-06 19:21:12,402 INFO L858 garLoopResultBuilder]: For program point L774-1(line 774) no Hoare annotation was computed. [2021-12-06 19:21:12,402 INFO L861 garLoopResultBuilder]: At program point L512(line 512) the Hoare annotation is: true [2021-12-06 19:21:12,402 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 506 535) no Hoare annotation was computed. [2021-12-06 19:21:12,402 INFO L858 garLoopResultBuilder]: For program point L512-1(line 512) no Hoare annotation was computed. [2021-12-06 19:21:12,402 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 506 535) the Hoare annotation is: true [2021-12-06 19:21:12,402 INFO L861 garLoopResultBuilder]: At program point L531(lines 506 535) the Hoare annotation is: true [2021-12-06 19:21:12,402 INFO L858 garLoopResultBuilder]: For program point L527(line 527) no Hoare annotation was computed. [2021-12-06 19:21:12,402 INFO L858 garLoopResultBuilder]: For program point L520(lines 520 524) no Hoare annotation was computed. [2021-12-06 19:21:12,402 INFO L861 garLoopResultBuilder]: At program point L520-1(lines 520 524) the Hoare annotation is: true [2021-12-06 19:21:12,403 INFO L858 garLoopResultBuilder]: For program point L517(line 517) no Hoare annotation was computed. [2021-12-06 19:21:12,403 INFO L861 garLoopResultBuilder]: At program point L516-2(lines 516 530) the Hoare annotation is: true [2021-12-06 19:21:12,403 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 648 656) the Hoare annotation is: true [2021-12-06 19:21:12,403 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 648 656) no Hoare annotation was computed. [2021-12-06 19:21:12,403 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 648 656) no Hoare annotation was computed. [2021-12-06 19:21:12,403 INFO L861 garLoopResultBuilder]: At program point L601(lines 582 604) the Hoare annotation is: true [2021-12-06 19:21:12,403 INFO L854 garLoopResultBuilder]: At program point L77(lines 73 79) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-06 19:21:12,403 INFO L854 garLoopResultBuilder]: At program point L907(line 907) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (not (= 0 ~systemActive~0)))) (or (and (<= 1 ~methaneLevelCritical~0) .cse0 .cse1) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1))) [2021-12-06 19:21:12,403 INFO L858 garLoopResultBuilder]: For program point L928(lines 927 974) no Hoare annotation was computed. [2021-12-06 19:21:12,403 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-06 19:21:12,403 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-06 19:21:12,403 INFO L858 garLoopResultBuilder]: For program point L957(lines 957 970) no Hoare annotation was computed. [2021-12-06 19:21:12,403 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-06 19:21:12,403 INFO L854 garLoopResultBuilder]: At program point L949(line 949) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse2) (and .cse1 .cse2 (not (= 0 ~systemActive~0))))) [2021-12-06 19:21:12,404 INFO L861 garLoopResultBuilder]: At program point L978(lines 917 982) the Hoare annotation is: true [2021-12-06 19:21:12,404 INFO L858 garLoopResultBuilder]: For program point L937(lines 937 943) no Hoare annotation was computed. [2021-12-06 19:21:12,404 INFO L858 garLoopResultBuilder]: For program point L937-1(lines 937 943) no Hoare annotation was computed. [2021-12-06 19:21:12,404 INFO L858 garLoopResultBuilder]: For program point L929(lines 929 933) no Hoare annotation was computed. [2021-12-06 19:21:12,404 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-06 19:21:12,404 INFO L854 garLoopResultBuilder]: At program point L471(lines 466 473) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-06 19:21:12,404 INFO L854 garLoopResultBuilder]: At program point L913(lines 901 915) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1))) [2021-12-06 19:21:12,404 INFO L854 garLoopResultBuilder]: At program point L975(lines 926 976) the Hoare annotation is: false [2021-12-06 19:21:12,404 INFO L858 garLoopResultBuilder]: For program point L905(lines 905 911) no Hoare annotation was computed. [2021-12-06 19:21:12,404 INFO L858 garLoopResultBuilder]: For program point L905-1(lines 905 911) no Hoare annotation was computed. [2021-12-06 19:21:12,404 INFO L858 garLoopResultBuilder]: For program point L963(lines 963 969) no Hoare annotation was computed. [2021-12-06 19:21:12,404 INFO L861 garLoopResultBuilder]: At program point L579(lines 571 581) the Hoare annotation is: true [2021-12-06 19:21:12,404 INFO L854 garLoopResultBuilder]: At program point L963-2(lines 957 970) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse2) (and .cse3 .cse2 .cse4) (and .cse1 .cse2 .cse4))) [2021-12-06 19:21:12,405 INFO L854 garLoopResultBuilder]: At program point L92(lines 87 95) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-06 19:21:12,405 INFO L854 garLoopResultBuilder]: At program point L567(lines 563 569) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-06 19:21:12,405 INFO L854 garLoopResultBuilder]: At program point L84(lines 80 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-06 19:21:12,405 INFO L858 garLoopResultBuilder]: For program point L947(lines 947 953) no Hoare annotation was computed. [2021-12-06 19:21:12,405 INFO L858 garLoopResultBuilder]: For program point L947-1(lines 947 953) no Hoare annotation was computed. [2021-12-06 19:21:12,405 INFO L858 garLoopResultBuilder]: For program point L592(lines 592 599) no Hoare annotation was computed. [2021-12-06 19:21:12,405 INFO L858 garLoopResultBuilder]: For program point L592-2(lines 592 599) no Hoare annotation was computed. [2021-12-06 19:21:12,405 INFO L854 garLoopResultBuilder]: At program point L972(lines 927 974) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse2) (and .cse1 .cse2 (not (= 0 ~systemActive~0))))) [2021-12-06 19:21:12,405 INFO L854 garLoopResultBuilder]: At program point L939(line 939) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse2) (and .cse1 .cse2 (not (= 0 ~systemActive~0))))) [2021-12-06 19:21:12,405 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 624 635) no Hoare annotation was computed. [2021-12-06 19:21:12,406 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 624 635) the Hoare annotation is: (let ((.cse1 (not (= |old(~waterLevel~0)| 1))) (.cse3 (= ~waterLevel~0 1)) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse5 (<= 2 ~waterLevel~0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse5 .cse2 (= 0 ~systemActive~0) .cse6) (or .cse0 .cse5 .cse4 .cse6) (or .cse0 .cse5 .cse2 .cse6))) [2021-12-06 19:21:12,406 INFO L858 garLoopResultBuilder]: For program point L628-1(lines 624 635) no Hoare annotation was computed. [2021-12-06 19:21:12,406 INFO L854 garLoopResultBuilder]: At program point L698(lines 689 702) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (= ~pumpRunning~0 0)) (.cse11 (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| 0)) (.cse10 (<= 2 ~waterLevel~0))) (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (and .cse4 .cse6 .cse11 .cse10)) (.cse5 (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1|)) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (and .cse4 .cse6 .cse11 .cse10 (not .cse3))) (.cse0 (not .cse10)) (.cse9 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (and .cse4 .cse5 .cse6) .cse1 .cse2 .cse3) (or .cse7 .cse8 (and .cse5 .cse6) .cse9 .cse3) (or .cse7 .cse8 .cse0 .cse9 .cse3)))) [2021-12-06 19:21:12,406 INFO L854 garLoopResultBuilder]: At program point L756(line 756) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (= |processEnvironment__wrappee__methaneQuery_~tmp~5#1| 0)) (.cse5 (not (= ~waterLevel~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse6 (and (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1|) (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp~8#1|))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4)) (or .cse5 .cse0 .cse1 .cse6 .cse2) (or (and .cse3 (= ~pumpRunning~0 0) .cse4) .cse7 .cse2) (or .cse5 .cse7 .cse6 .cse2))) [2021-12-06 19:21:12,406 INFO L858 garLoopResultBuilder]: For program point L750(lines 750 758) no Hoare annotation was computed. [2021-12-06 19:21:12,406 INFO L858 garLoopResultBuilder]: For program point L746(lines 746 763) no Hoare annotation was computed. [2021-12-06 19:21:12,406 INFO L858 garLoopResultBuilder]: For program point L808(lines 808 814) no Hoare annotation was computed. [2021-12-06 19:21:12,407 INFO L854 garLoopResultBuilder]: At program point L806(line 806) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= 0 ~systemActive~0))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (not (= ~methaneLevelCritical~0 0)) .cse2) (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~methaneLevelCritical~0)) (and .cse0 .cse1) .cse2))) [2021-12-06 19:21:12,407 INFO L854 garLoopResultBuilder]: At program point L808-2(lines 801 817) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~methaneLevelCritical~0)) (and (= ~pumpRunning~0 0) (<= ~methaneLevelCritical~0 |processEnvironment__wrappee__methaneQuery_activatePump_~tmp~7#1|) .cse0) .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2021-12-06 19:21:12,407 INFO L858 garLoopResultBuilder]: For program point L806-1(line 806) no Hoare annotation was computed. [2021-12-06 19:21:12,407 INFO L854 garLoopResultBuilder]: At program point L897(lines 882 900) the Hoare annotation is: (let ((.cse8 (= 0 ~systemActive~0))) (let ((.cse7 (<= 2 ~waterLevel~0)) (.cse0 (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp___0~1#1| 0)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1|)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp~8#1|)) (.cse5 (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1| 0)) (.cse6 (not .cse8))) (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~methaneLevelCritical~0)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse3 .cse7 .cse6) .cse8) (let ((.cse9 (= ~methaneLevelCritical~0 0))) (or (and .cse1 .cse3 .cse9 .cse7 .cse6) (not .cse9) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse9 .cse5 .cse6) .cse8))))) [2021-12-06 19:21:12,407 INFO L854 garLoopResultBuilder]: At program point L798(lines 793 800) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~methaneLevelCritical~0)) .cse0) (or (<= 2 ~waterLevel~0) (not (= ~methaneLevelCritical~0 0)) .cse0))) [2021-12-06 19:21:12,407 INFO L858 garLoopResultBuilder]: For program point L891(lines 891 895) no Hoare annotation was computed. [2021-12-06 19:21:12,407 INFO L858 garLoopResultBuilder]: For program point L891-2(lines 891 895) no Hoare annotation was computed. [2021-12-06 19:21:12,407 INFO L854 garLoopResultBuilder]: At program point L761(line 761) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2021-12-06 19:21:12,408 INFO L858 garLoopResultBuilder]: For program point L761-1(lines 742 766) no Hoare annotation was computed. [2021-12-06 19:21:12,408 INFO L858 garLoopResultBuilder]: For program point L693(lines 693 699) no Hoare annotation was computed. [2021-12-06 19:21:12,408 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 742 766) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (<= 1 ~methaneLevelCritical~0)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~methaneLevelCritical~0 0)) .cse0))) [2021-12-06 19:21:12,408 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 742 766) no Hoare annotation was computed. [2021-12-06 19:21:12,408 INFO L861 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 826 836) the Hoare annotation is: true [2021-12-06 19:21:12,408 INFO L861 garLoopResultBuilder]: At program point L831(line 831) the Hoare annotation is: true [2021-12-06 19:21:12,408 INFO L858 garLoopResultBuilder]: For program point L831-1(line 831) no Hoare annotation was computed. [2021-12-06 19:21:12,408 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 826 836) no Hoare annotation was computed. [2021-12-06 19:21:12,409 INFO L858 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 826 836) no Hoare annotation was computed. [2021-12-06 19:21:12,411 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:21:12,412 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 19:21:12,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 07:21:12 BoogieIcfgContainer [2021-12-06 19:21:12,439 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 19:21:12,440 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 19:21:12,440 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 19:21:12,440 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 19:21:12,440 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:21:04" (3/4) ... [2021-12-06 19:21:12,443 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-06 19:21:12,447 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-12-06 19:21:12,447 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-06 19:21:12,447 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-06 19:21:12,447 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-06 19:21:12,447 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-06 19:21:12,448 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-12-06 19:21:12,448 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-06 19:21:12,448 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2021-12-06 19:21:12,448 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2021-12-06 19:21:12,455 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2021-12-06 19:21:12,456 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-06 19:21:12,456 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-06 19:21:12,457 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-06 19:21:12,458 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-06 19:21:12,458 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 19:21:12,458 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 19:21:12,475 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2021-12-06 19:21:12,475 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == systemActive) && waterLevel == 1 [2021-12-06 19:21:12,475 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == systemActive) && waterLevel == 1 [2021-12-06 19:21:12,476 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && ((pumpRunning == \old(pumpRunning) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && (!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical))) && ((pumpRunning == \old(pumpRunning) || !(methaneLevelCritical == 0)) || 0 == systemActive) [2021-12-06 19:21:12,477 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(pumpRunning) == 0) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) && (((!(\old(pumpRunning) == 0) || 2 <= waterLevel) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 <= methaneLevelCritical)) || waterLevel == 1)) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && (((!(\old(pumpRunning) == 0) || ((methaneLevelCritical == 0 && 2 <= waterLevel) && !(0 == systemActive))) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(methaneLevelCritical == 0)) || waterLevel == 1)) && ((((pumpRunning == \old(pumpRunning) || pumpRunning == 0) || ((methaneLevelCritical == 0 && 2 <= waterLevel) && !(0 == systemActive))) || !(methaneLevelCritical == 0)) || 0 == systemActive)) && (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && !(0 == systemActive)) || (pumpRunning == 0 && 1 <= tmp)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) [2021-12-06 19:21:12,478 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(\old(pumpRunning) == 0) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || 2 <= waterLevel) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 <= methaneLevelCritical)) || waterLevel == 1)) && (((((pumpRunning == 0 && tmp == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) || ((tmp == 0 && 2 <= waterLevel) && !(0 == systemActive))) || (pumpRunning == \old(pumpRunning) && tmp == 0))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(methaneLevelCritical == 0)) || waterLevel == 1)) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 <= methaneLevelCritical))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && tmp == 0)) || !(methaneLevelCritical == 0)) || ((tmp == 0 && 2 <= waterLevel) && !(0 == systemActive)))) && (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && !(0 == systemActive)) || ((pumpRunning == 0 && 1 <= tmp) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) [2021-12-06 19:21:12,478 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (((!(\old(pumpRunning) == 0) || 2 <= waterLevel) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 <= methaneLevelCritical)) || waterLevel == 1)) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) || !(1 <= methaneLevelCritical))) && (((!(1 <= methaneLevelCritical) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || ((pumpRunning == 0 && \result == 0) && 1 <= tmp)) || 0 == systemActive)) && (!(methaneLevelCritical == 0) || 0 == systemActive) [2021-12-06 19:21:12,478 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && methaneLevelCritical <= tmp) && 2 <= waterLevel)) || 0 == systemActive) && ((2 <= waterLevel || !(methaneLevelCritical == 0)) || 0 == systemActive) [2021-12-06 19:21:12,478 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) && ((2 <= waterLevel || !(methaneLevelCritical == 0)) || 0 == systemActive) [2021-12-06 19:21:12,479 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(2 <= waterLevel) || !(methaneLevelCritical == 0)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \result == 0) && 2 <= waterLevel)) || 0 == systemActive) && (((((pumpRunning == \old(pumpRunning) && 1 <= \result) && pumpRunning == 0) || !(methaneLevelCritical == 0)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \result == 0) && 2 <= waterLevel)) || 0 == systemActive)) && ((((!(\old(pumpRunning) == 0) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \result == 0) && 2 <= waterLevel) && !(0 == systemActive))) || (1 <= \result && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((((!(\old(pumpRunning) == 0) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \result == 0) && 2 <= waterLevel) && !(0 == systemActive))) || !(2 <= waterLevel)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) [2021-12-06 19:21:12,479 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 <= methaneLevelCritical) || 0 == systemActive) && (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0))) && (!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical))) && (!(methaneLevelCritical == 0) || 0 == systemActive) [2021-12-06 19:21:12,479 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || ((((((tmp___0 == 0 && pumpRunning == \old(pumpRunning)) && 1 <= \result) && pumpRunning == 0) && 1 <= tmp) && \result == 0) && !(0 == systemActive))) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) && !(0 == systemActive))) || 0 == systemActive) && (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && !(0 == systemActive)) || !(methaneLevelCritical == 0)) || (((((((tmp___0 == 0 && pumpRunning == \old(pumpRunning)) && 1 <= \result) && pumpRunning == 0) && 1 <= tmp) && methaneLevelCritical == 0) && \result == 0) && !(0 == systemActive))) || 0 == systemActive) [2021-12-06 19:21:12,506 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273dc72c-7681-4157-9193-11facfad3c02/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 19:21:12,506 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 19:21:12,507 INFO L158 Benchmark]: Toolchain (without parser) took 8332.55ms. Allocated memory was 115.3MB in the beginning and 180.4MB in the end (delta: 65.0MB). Free memory was 85.5MB in the beginning and 118.8MB in the end (delta: -33.3MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2021-12-06 19:21:12,507 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 115.3MB. Free memory is still 71.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 19:21:12,508 INFO L158 Benchmark]: CACSL2BoogieTranslator took 304.28ms. Allocated memory is still 115.3MB. Free memory was 85.2MB in the beginning and 81.7MB in the end (delta: 3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-06 19:21:12,508 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.35ms. Allocated memory is still 115.3MB. Free memory was 81.7MB in the beginning and 79.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 19:21:12,508 INFO L158 Benchmark]: Boogie Preprocessor took 20.85ms. Allocated memory is still 115.3MB. Free memory was 79.3MB in the beginning and 77.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 19:21:12,509 INFO L158 Benchmark]: RCFGBuilder took 344.30ms. Allocated memory is still 115.3MB. Free memory was 77.5MB in the beginning and 61.1MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-06 19:21:12,509 INFO L158 Benchmark]: TraceAbstraction took 7555.84ms. Allocated memory was 115.3MB in the beginning and 180.4MB in the end (delta: 65.0MB). Free memory was 60.4MB in the beginning and 127.2MB in the end (delta: -66.8MB). Peak memory consumption was 82.4MB. Max. memory is 16.1GB. [2021-12-06 19:21:12,509 INFO L158 Benchmark]: Witness Printer took 66.77ms. Allocated memory is still 180.4MB. Free memory was 127.2MB in the beginning and 118.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-06 19:21:12,511 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 115.3MB. Free memory is still 71.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 304.28ms. Allocated memory is still 115.3MB. Free memory was 85.2MB in the beginning and 81.7MB in the end (delta: 3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.35ms. Allocated memory is still 115.3MB. Free memory was 81.7MB in the beginning and 79.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.85ms. Allocated memory is still 115.3MB. Free memory was 79.3MB in the beginning and 77.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 344.30ms. Allocated memory is still 115.3MB. Free memory was 77.5MB in the beginning and 61.1MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 7555.84ms. Allocated memory was 115.3MB in the beginning and 180.4MB in the end (delta: 65.0MB). Free memory was 60.4MB in the beginning and 127.2MB in the end (delta: -66.8MB). Peak memory consumption was 82.4MB. Max. memory is 16.1GB. * Witness Printer took 66.77ms. Allocated memory is still 180.4MB. Free memory was 127.2MB in the beginning and 118.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. 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: 54]: 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 10 procedures, 102 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.5s, OverallIterations: 11, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1344 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1318 mSDsluCounter, 4521 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3099 mSDsCounter, 361 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1516 IncrementalHoareTripleChecker+Invalid, 1877 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 361 mSolverCounterUnsat, 1422 mSDtfsCounter, 1516 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 479 GetRequests, 379 SyntacticMatches, 2 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1176occurred in iteration=10, InterpolantAutomatonStates: 78, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 286 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 3139 PreInvPairs, 3608 NumberOfFragments, 1933 HoareAnnotationTreeSize, 3139 FomulaSimplifications, 412 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 46 FomulaSimplificationsInter, 23632 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 893 NumberOfCodeBlocks, 893 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 879 ConstructedInterpolants, 0 QuantifiedInterpolants, 1583 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1381 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 183/191 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: 80]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && splverifierCounter == 0) || ((pumpRunning == 0 && 1 <= methaneLevelCritical) && splverifierCounter == 0) - InvariantResult [Line: 768]: Loop Invariant Derived loop invariant: ((((((((!(\old(pumpRunning) == 0) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) && (((!(\old(pumpRunning) == 0) || 2 <= waterLevel) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 <= methaneLevelCritical)) || waterLevel == 1)) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && (((!(\old(pumpRunning) == 0) || ((methaneLevelCritical == 0 && 2 <= waterLevel) && !(0 == systemActive))) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(methaneLevelCritical == 0)) || waterLevel == 1)) && ((((pumpRunning == \old(pumpRunning) || pumpRunning == 0) || ((methaneLevelCritical == 0 && 2 <= waterLevel) && !(0 == systemActive))) || !(methaneLevelCritical == 0)) || 0 == systemActive)) && (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && !(0 == systemActive)) || (pumpRunning == 0 && 1 <= tmp)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (((!(\old(pumpRunning) == 0) || 2 <= waterLevel) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 <= methaneLevelCritical)) || waterLevel == 1)) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) || !(1 <= methaneLevelCritical))) && (((!(1 <= methaneLevelCritical) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || ((pumpRunning == 0 && \result == 0) && 1 <= tmp)) || 0 == systemActive)) && (!(methaneLevelCritical == 0) || 0 == systemActive) - InvariantResult [Line: 474]: Loop Invariant Derived loop invariant: (((((((((!(\old(pumpRunning) == 0) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || 2 <= waterLevel) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 <= methaneLevelCritical)) || waterLevel == 1)) && (((((pumpRunning == 0 && tmp == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) || ((tmp == 0 && 2 <= waterLevel) && !(0 == systemActive))) || (pumpRunning == \old(pumpRunning) && tmp == 0))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(methaneLevelCritical == 0)) || waterLevel == 1)) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 <= methaneLevelCritical))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && tmp == 0)) || !(methaneLevelCritical == 0)) || ((tmp == 0 && 2 <= waterLevel) && !(0 == systemActive)))) && (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && !(0 == systemActive)) || ((pumpRunning == 0 && 1 <= tmp) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || 0 == systemActive) - InvariantResult [Line: 793]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) && ((2 <= waterLevel || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == systemActive) && waterLevel == 1 - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 926]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: (((((!(2 <= waterLevel) || !(methaneLevelCritical == 0)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \result == 0) && 2 <= waterLevel)) || 0 == systemActive) && (((((pumpRunning == \old(pumpRunning) && 1 <= \result) && pumpRunning == 0) || !(methaneLevelCritical == 0)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \result == 0) && 2 <= waterLevel)) || 0 == systemActive)) && ((((!(\old(pumpRunning) == 0) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \result == 0) && 2 <= waterLevel) && !(0 == systemActive))) || (1 <= \result && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((((!(\old(pumpRunning) == 0) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \result == 0) && 2 <= waterLevel) && !(0 == systemActive))) || !(2 <= waterLevel)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || ((((((tmp___0 == 0 && pumpRunning == \old(pumpRunning)) && 1 <= \result) && pumpRunning == 0) && 1 <= tmp) && \result == 0) && !(0 == systemActive))) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) && !(0 == systemActive))) || 0 == systemActive) && (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == 0) && 2 <= waterLevel) && !(0 == systemActive)) || !(methaneLevelCritical == 0)) || (((((((tmp___0 == 0 && pumpRunning == \old(pumpRunning)) && 1 <= \result) && pumpRunning == 0) && 1 <= tmp) && methaneLevelCritical == 0) && \result == 0) && !(0 == systemActive))) || 0 == systemActive) - InvariantResult [Line: 563]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && tmp == systemActive) && waterLevel == 1 - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: (((!(1 <= methaneLevelCritical) || 0 == systemActive) && (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0))) && (!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical))) && (!(methaneLevelCritical == 0) || 0 == systemActive) - InvariantResult [Line: 801]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && methaneLevelCritical <= tmp) && 2 <= waterLevel)) || 0 == systemActive) && ((2 <= waterLevel || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 612]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && ((pumpRunning == \old(pumpRunning) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && (!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical))) && ((pumpRunning == \old(pumpRunning) || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 927]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && splverifierCounter == 0) || ((pumpRunning == 0 && 1 <= methaneLevelCritical) && splverifierCounter == 0)) || ((methaneLevelCritical == 0 && splverifierCounter == 0) && !(0 == systemActive)) RESULT: Ultimate proved your program to be correct! [2021-12-06 19:21:12,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_273dc72c-7681-4157-9193-11facfad3c02/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