./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf0b16b4-086b-49aa-8193-9c6001ba5590/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf0b16b4-086b-49aa-8193-9c6001ba5590/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf0b16b4-086b-49aa-8193-9c6001ba5590/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf0b16b4-086b-49aa-8193-9c6001ba5590/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf0b16b4-086b-49aa-8193-9c6001ba5590/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf0b16b4-086b-49aa-8193-9c6001ba5590/bin/uautomizer-ug76WZFUDN --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 d0f26fc8ab0bdaf05de905c05e583bc491c727ef99c3d3df87bba160b541b55a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 11:37:14,484 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:37:14,486 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:37:14,522 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:37:14,522 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:37:14,523 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:37:14,525 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:37:14,536 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:37:14,538 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:37:14,539 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:37:14,541 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:37:14,542 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:37:14,543 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:37:14,544 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:37:14,545 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:37:14,546 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:37:14,547 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:37:14,548 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:37:14,550 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:37:14,552 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:37:14,553 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:37:14,555 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:37:14,556 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:37:14,570 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:37:14,574 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:37:14,581 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:37:14,581 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:37:14,583 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:37:14,583 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:37:14,584 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:37:14,584 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:37:14,585 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:37:14,586 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:37:14,587 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:37:14,588 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:37:14,588 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:37:14,592 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:37:14,592 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:37:14,592 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:37:14,593 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:37:14,594 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:37:14,596 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf0b16b4-086b-49aa-8193-9c6001ba5590/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-20 11:37:14,623 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:37:14,623 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:37:14,624 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:37:14,624 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:37:14,625 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:37:14,625 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:37:14,626 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:37:14,626 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:37:14,626 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:37:14,626 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:37:14,627 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 11:37:14,627 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:37:14,627 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 11:37:14,627 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:37:14,627 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:37:14,628 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:37:14,628 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:37:14,628 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 11:37:14,628 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:37:14,629 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:37:14,629 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:37:14,629 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:37:14,629 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:37:14,630 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:37:14,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:37:14,630 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:37:14,630 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:37:14,631 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:37:14,631 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:37:14,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 11:37:14,631 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:37:14,631 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:37:14,632 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:37:14,632 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_bf0b16b4-086b-49aa-8193-9c6001ba5590/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf0b16b4-086b-49aa-8193-9c6001ba5590/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d0f26fc8ab0bdaf05de905c05e583bc491c727ef99c3d3df87bba160b541b55a [2022-11-20 11:37:15,020 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:37:15,060 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:37:15,063 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:37:15,065 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:37:15,065 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:37:15,067 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf0b16b4-086b-49aa-8193-9c6001ba5590/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c [2022-11-20 11:37:18,103 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:37:18,430 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:37:18,431 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf0b16b4-086b-49aa-8193-9c6001ba5590/sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c [2022-11-20 11:37:18,443 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf0b16b4-086b-49aa-8193-9c6001ba5590/bin/uautomizer-ug76WZFUDN/data/9228c49df/51fa4d5fe9ce47f381d926daf24d6f2e/FLAG33b5e932d [2022-11-20 11:37:18,713 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf0b16b4-086b-49aa-8193-9c6001ba5590/bin/uautomizer-ug76WZFUDN/data/9228c49df/51fa4d5fe9ce47f381d926daf24d6f2e [2022-11-20 11:37:18,715 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:37:18,717 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:37:18,723 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:37:18,723 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:37:18,728 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:37:18,729 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:37:18" (1/1) ... [2022-11-20 11:37:18,730 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@642999df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:18, skipping insertion in model container [2022-11-20 11:37:18,730 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:37:18" (1/1) ... [2022-11-20 11:37:18,739 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:37:18,786 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:37:19,059 WARN L237 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_bf0b16b4-086b-49aa-8193-9c6001ba5590/sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c[18661,18674] [2022-11-20 11:37:19,064 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:37:19,076 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:37:19,151 WARN L237 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_bf0b16b4-086b-49aa-8193-9c6001ba5590/sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c[18661,18674] [2022-11-20 11:37:19,152 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:37:19,173 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:37:19,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:19 WrapperNode [2022-11-20 11:37:19,174 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:37:19,175 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:37:19,175 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:37:19,175 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:37:19,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:19" (1/1) ... [2022-11-20 11:37:19,200 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:19" (1/1) ... [2022-11-20 11:37:19,228 INFO L138 Inliner]: procedures = 56, calls = 100, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 212 [2022-11-20 11:37:19,229 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:37:19,230 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:37:19,230 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:37:19,230 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:37:19,245 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:19" (1/1) ... [2022-11-20 11:37:19,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:19" (1/1) ... [2022-11-20 11:37:19,258 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:19" (1/1) ... [2022-11-20 11:37:19,263 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:19" (1/1) ... [2022-11-20 11:37:19,268 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:19" (1/1) ... [2022-11-20 11:37:19,289 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:19" (1/1) ... [2022-11-20 11:37:19,291 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:19" (1/1) ... [2022-11-20 11:37:19,292 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:19" (1/1) ... [2022-11-20 11:37:19,294 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:37:19,296 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:37:19,296 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:37:19,296 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:37:19,297 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:19" (1/1) ... [2022-11-20 11:37:19,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:37:19,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf0b16b4-086b-49aa-8193-9c6001ba5590/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:37:19,343 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf0b16b4-086b-49aa-8193-9c6001ba5590/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 11:37:19,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf0b16b4-086b-49aa-8193-9c6001ba5590/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 11:37:19,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 11:37:19,403 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-20 11:37:19,403 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-20 11:37:19,406 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-20 11:37:19,407 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-20 11:37:19,407 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-20 11:37:19,407 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-20 11:37:19,407 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-20 11:37:19,408 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-20 11:37:19,408 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-11-20 11:37:19,409 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-11-20 11:37:19,409 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-20 11:37:19,409 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-20 11:37:19,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 11:37:19,409 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-20 11:37:19,410 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-20 11:37:19,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:37:19,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:37:19,497 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:37:19,500 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:37:19,928 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:37:19,936 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:37:19,936 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 11:37:19,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:37:19 BoogieIcfgContainer [2022-11-20 11:37:19,939 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:37:19,942 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 11:37:19,943 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 11:37:19,946 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 11:37:19,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:37:18" (1/3) ... [2022-11-20 11:37:19,947 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13c48f9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:37:19, skipping insertion in model container [2022-11-20 11:37:19,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:19" (2/3) ... [2022-11-20 11:37:19,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13c48f9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:37:19, skipping insertion in model container [2022-11-20 11:37:19,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:37:19" (3/3) ... [2022-11-20 11:37:19,950 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product57.cil.c [2022-11-20 11:37:19,971 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 11:37:19,971 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 11:37:20,031 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 11:37:20,039 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7d051ca4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 11:37:20,039 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 11:37:20,045 INFO L276 IsEmpty]: Start isEmpty. Operand has 91 states, 70 states have (on average 1.3857142857142857) internal successors, (97), 78 states have internal predecessors, (97), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-20 11:37:20,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 11:37:20,056 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:37:20,057 INFO L195 NwaCegarLoop]: 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] [2022-11-20 11:37:20,058 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:37:20,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:37:20,068 INFO L85 PathProgramCache]: Analyzing trace with hash -1849570436, now seen corresponding path program 1 times [2022-11-20 11:37:20,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:37:20,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470011983] [2022-11-20 11:37:20,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:37:20,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:37:20,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:20,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 11:37:20,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:20,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:37:20,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:37:20,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470011983] [2022-11-20 11:37:20,366 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470011983] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:37:20,366 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:37:20,366 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 11:37:20,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541277453] [2022-11-20 11:37:20,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:37:20,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 11:37:20,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:37:20,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 11:37:20,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 11:37:20,416 INFO L87 Difference]: Start difference. First operand has 91 states, 70 states have (on average 1.3857142857142857) internal successors, (97), 78 states have internal predecessors, (97), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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) [2022-11-20 11:37:20,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:37:20,497 INFO L93 Difference]: Finished difference Result 174 states and 237 transitions. [2022-11-20 11:37:20,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 11:37:20,500 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 23 [2022-11-20 11:37:20,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:37:20,519 INFO L225 Difference]: With dead ends: 174 [2022-11-20 11:37:20,520 INFO L226 Difference]: Without dead ends: 82 [2022-11-20 11:37:20,525 INFO L412 NwaCegarLoop]: 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 [2022-11-20 11:37:20,531 INFO L413 NwaCegarLoop]: 115 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, 115 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 [2022-11-20 11:37:20,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:37:20,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-11-20 11:37:20,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2022-11-20 11:37:20,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 63 states have (on average 1.3174603174603174) internal successors, (83), 70 states have internal predecessors, (83), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-20 11:37:20,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 106 transitions. [2022-11-20 11:37:20,583 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 106 transitions. Word has length 23 [2022-11-20 11:37:20,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:37:20,584 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 106 transitions. [2022-11-20 11:37:20,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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) [2022-11-20 11:37:20,584 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 106 transitions. [2022-11-20 11:37:20,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 11:37:20,587 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:37:20,587 INFO L195 NwaCegarLoop]: 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] [2022-11-20 11:37:20,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 11:37:20,587 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:37:20,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:37:20,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1054157966, now seen corresponding path program 1 times [2022-11-20 11:37:20,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:37:20,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462581547] [2022-11-20 11:37:20,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:37:20,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:37:20,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:20,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-20 11:37:20,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:20,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:37:20,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:37:20,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462581547] [2022-11-20 11:37:20,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462581547] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:37:20,721 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:37:20,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:37:20,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919180606] [2022-11-20 11:37:20,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:37:20,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:37:20,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:37:20,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:37:20,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:37:20,725 INFO L87 Difference]: Start difference. First operand 82 states and 106 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2022-11-20 11:37:20,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:37:20,755 INFO L93 Difference]: Finished difference Result 130 states and 168 transitions. [2022-11-20 11:37:20,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:37:20,762 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 24 [2022-11-20 11:37:20,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:37:20,767 INFO L225 Difference]: With dead ends: 130 [2022-11-20 11:37:20,768 INFO L226 Difference]: Without dead ends: 73 [2022-11-20 11:37:20,770 INFO L412 NwaCegarLoop]: 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 [2022-11-20 11:37:20,772 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 12 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 170 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 [2022-11-20 11:37:20,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 170 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:37:20,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-11-20 11:37:20,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2022-11-20 11:37:20,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 57 states have (on average 1.3333333333333333) internal successors, (76), 64 states have internal predecessors, (76), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-20 11:37:20,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 94 transitions. [2022-11-20 11:37:20,783 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 94 transitions. Word has length 24 [2022-11-20 11:37:20,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:37:20,784 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 94 transitions. [2022-11-20 11:37:20,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2022-11-20 11:37:20,784 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 94 transitions. [2022-11-20 11:37:20,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 11:37:20,785 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:37:20,786 INFO L195 NwaCegarLoop]: 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] [2022-11-20 11:37:20,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 11:37:20,786 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:37:20,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:37:20,787 INFO L85 PathProgramCache]: Analyzing trace with hash 1057029214, now seen corresponding path program 1 times [2022-11-20 11:37:20,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:37:20,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118460211] [2022-11-20 11:37:20,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:37:20,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:37:20,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:20,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-20 11:37:20,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:20,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:37:20,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:37:20,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118460211] [2022-11-20 11:37:20,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118460211] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:37:20,917 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:37:20,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:37:20,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093274228] [2022-11-20 11:37:20,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:37:20,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:37:20,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:37:20,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:37:20,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:37:20,919 INFO L87 Difference]: Start difference. First operand 73 states and 94 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2022-11-20 11:37:20,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:37:20,961 INFO L93 Difference]: Finished difference Result 139 states and 182 transitions. [2022-11-20 11:37:20,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:37:20,964 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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 28 [2022-11-20 11:37:20,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:37:20,965 INFO L225 Difference]: With dead ends: 139 [2022-11-20 11:37:20,965 INFO L226 Difference]: Without dead ends: 73 [2022-11-20 11:37:20,966 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:37:20,968 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 76 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 92 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 [2022-11-20 11:37:20,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 92 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:37:20,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-11-20 11:37:20,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2022-11-20 11:37:20,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 57 states have (on average 1.3157894736842106) internal successors, (75), 64 states have internal predecessors, (75), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-20 11:37:20,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 93 transitions. [2022-11-20 11:37:20,982 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 93 transitions. Word has length 28 [2022-11-20 11:37:20,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:37:20,983 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 93 transitions. [2022-11-20 11:37:20,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2022-11-20 11:37:20,983 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 93 transitions. [2022-11-20 11:37:20,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-20 11:37:20,984 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:37:20,985 INFO L195 NwaCegarLoop]: 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] [2022-11-20 11:37:20,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 11:37:20,985 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:37:20,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:37:20,986 INFO L85 PathProgramCache]: Analyzing trace with hash -1228134254, now seen corresponding path program 1 times [2022-11-20 11:37:20,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:37:20,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406546256] [2022-11-20 11:37:20,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:37:20,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:37:21,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:21,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-20 11:37:21,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:21,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:37:21,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:37:21,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406546256] [2022-11-20 11:37:21,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406546256] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:37:21,045 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:37:21,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:37:21,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654613585] [2022-11-20 11:37:21,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:37:21,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:37:21,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:37:21,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:37:21,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:37:21,048 INFO L87 Difference]: Start difference. First operand 73 states and 93 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 11:37:21,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:37:21,097 INFO L93 Difference]: Finished difference Result 182 states and 237 transitions. [2022-11-20 11:37:21,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:37:21,098 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (2), 1 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 36 [2022-11-20 11:37:21,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:37:21,099 INFO L225 Difference]: With dead ends: 182 [2022-11-20 11:37:21,099 INFO L226 Difference]: Without dead ends: 116 [2022-11-20 11:37:21,100 INFO L412 NwaCegarLoop]: 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 [2022-11-20 11:37:21,102 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 73 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:37:21,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 164 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:37:21,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2022-11-20 11:37:21,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 114. [2022-11-20 11:37:21,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 88 states have (on average 1.2954545454545454) internal successors, (114), 96 states have internal predecessors, (114), 13 states have call successors, (13), 12 states have call predecessors, (13), 12 states have return successors, (17), 13 states have call predecessors, (17), 13 states have call successors, (17) [2022-11-20 11:37:21,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 144 transitions. [2022-11-20 11:37:21,124 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 144 transitions. Word has length 36 [2022-11-20 11:37:21,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:37:21,124 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 144 transitions. [2022-11-20 11:37:21,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 11:37:21,125 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 144 transitions. [2022-11-20 11:37:21,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-20 11:37:21,126 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:37:21,126 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:37:21,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 11:37:21,127 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:37:21,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:37:21,128 INFO L85 PathProgramCache]: Analyzing trace with hash -1893109632, now seen corresponding path program 1 times [2022-11-20 11:37:21,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:37:21,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217641782] [2022-11-20 11:37:21,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:37:21,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:37:21,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:21,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-20 11:37:21,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:21,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:37:21,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:21,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-20 11:37:21,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:21,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:37:21,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:37:21,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217641782] [2022-11-20 11:37:21,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217641782] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:37:21,284 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:37:21,284 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 11:37:21,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760057302] [2022-11-20 11:37:21,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:37:21,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:37:21,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:37:21,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:37:21,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:37:21,286 INFO L87 Difference]: Start difference. First operand 114 states and 144 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-20 11:37:21,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:37:21,612 INFO L93 Difference]: Finished difference Result 382 states and 509 transitions. [2022-11-20 11:37:21,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-20 11:37:21,613 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 44 [2022-11-20 11:37:21,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:37:21,616 INFO L225 Difference]: With dead ends: 382 [2022-11-20 11:37:21,616 INFO L226 Difference]: Without dead ends: 275 [2022-11-20 11:37:21,617 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2022-11-20 11:37:21,619 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 206 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 11:37:21,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 387 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 11:37:21,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2022-11-20 11:37:21,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 224. [2022-11-20 11:37:21,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 173 states have (on average 1.277456647398844) internal successors, (221), 184 states have internal predecessors, (221), 26 states have call successors, (26), 22 states have call predecessors, (26), 24 states have return successors, (40), 26 states have call predecessors, (40), 26 states have call successors, (40) [2022-11-20 11:37:21,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 287 transitions. [2022-11-20 11:37:21,658 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 287 transitions. Word has length 44 [2022-11-20 11:37:21,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:37:21,658 INFO L495 AbstractCegarLoop]: Abstraction has 224 states and 287 transitions. [2022-11-20 11:37:21,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-20 11:37:21,659 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 287 transitions. [2022-11-20 11:37:21,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-20 11:37:21,660 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:37:21,661 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:37:21,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 11:37:21,661 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:37:21,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:37:21,662 INFO L85 PathProgramCache]: Analyzing trace with hash -2111964350, now seen corresponding path program 1 times [2022-11-20 11:37:21,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:37:21,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098226730] [2022-11-20 11:37:21,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:37:21,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:37:21,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:21,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-20 11:37:21,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:21,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:37:21,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:21,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-20 11:37:21,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:21,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:37:21,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:37:21,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098226730] [2022-11-20 11:37:21,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098226730] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:37:21,876 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:37:21,876 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 11:37:21,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234951762] [2022-11-20 11:37:21,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:37:21,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:37:21,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:37:21,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:37:21,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:37:21,882 INFO L87 Difference]: Start difference. First operand 224 states and 287 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-20 11:37:22,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:37:22,151 INFO L93 Difference]: Finished difference Result 246 states and 315 transitions. [2022-11-20 11:37:22,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-20 11:37:22,152 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 44 [2022-11-20 11:37:22,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:37:22,161 INFO L225 Difference]: With dead ends: 246 [2022-11-20 11:37:22,161 INFO L226 Difference]: Without dead ends: 244 [2022-11-20 11:37:22,162 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2022-11-20 11:37:22,171 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 138 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 11:37:22,176 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 358 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 11:37:22,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2022-11-20 11:37:22,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 224. [2022-11-20 11:37:22,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 173 states have (on average 1.260115606936416) internal successors, (218), 184 states have internal predecessors, (218), 26 states have call successors, (26), 22 states have call predecessors, (26), 24 states have return successors, (40), 26 states have call predecessors, (40), 26 states have call successors, (40) [2022-11-20 11:37:22,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 284 transitions. [2022-11-20 11:37:22,230 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 284 transitions. Word has length 44 [2022-11-20 11:37:22,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:37:22,231 INFO L495 AbstractCegarLoop]: Abstraction has 224 states and 284 transitions. [2022-11-20 11:37:22,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-20 11:37:22,232 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 284 transitions. [2022-11-20 11:37:22,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-20 11:37:22,241 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:37:22,242 INFO L195 NwaCegarLoop]: 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] [2022-11-20 11:37:22,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 11:37:22,242 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:37:22,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:37:22,243 INFO L85 PathProgramCache]: Analyzing trace with hash 1790289181, now seen corresponding path program 1 times [2022-11-20 11:37:22,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:37:22,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332941124] [2022-11-20 11:37:22,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:37:22,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:37:22,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:22,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-20 11:37:22,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:22,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:37:22,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:22,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-20 11:37:22,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:22,369 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 11:37:22,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:37:22,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332941124] [2022-11-20 11:37:22,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332941124] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:37:22,375 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:37:22,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 11:37:22,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792748100] [2022-11-20 11:37:22,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:37:22,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:37:22,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:37:22,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:37:22,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:37:22,377 INFO L87 Difference]: Start difference. First operand 224 states and 284 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-20 11:37:22,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:37:22,583 INFO L93 Difference]: Finished difference Result 459 states and 600 transitions. [2022-11-20 11:37:22,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 11:37:22,584 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 50 [2022-11-20 11:37:22,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:37:22,586 INFO L225 Difference]: With dead ends: 459 [2022-11-20 11:37:22,586 INFO L226 Difference]: Without dead ends: 242 [2022-11-20 11:37:22,588 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-11-20 11:37:22,589 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 64 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 11:37:22,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 341 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 11:37:22,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2022-11-20 11:37:22,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 230. [2022-11-20 11:37:22,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 179 states have (on average 1.2513966480446927) internal successors, (224), 190 states have internal predecessors, (224), 26 states have call successors, (26), 22 states have call predecessors, (26), 24 states have return successors, (40), 26 states have call predecessors, (40), 26 states have call successors, (40) [2022-11-20 11:37:22,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 290 transitions. [2022-11-20 11:37:22,617 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 290 transitions. Word has length 50 [2022-11-20 11:37:22,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:37:22,618 INFO L495 AbstractCegarLoop]: Abstraction has 230 states and 290 transitions. [2022-11-20 11:37:22,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-20 11:37:22,618 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 290 transitions. [2022-11-20 11:37:22,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-20 11:37:22,619 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:37:22,620 INFO L195 NwaCegarLoop]: 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] [2022-11-20 11:37:22,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 11:37:22,620 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:37:22,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:37:22,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1852328795, now seen corresponding path program 1 times [2022-11-20 11:37:22,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:37:22,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996424658] [2022-11-20 11:37:22,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:37:22,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:37:22,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:22,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-20 11:37:22,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:22,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:37:22,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:22,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-20 11:37:22,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:22,822 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 11:37:22,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:37:22,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996424658] [2022-11-20 11:37:22,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996424658] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:37:22,823 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:37:22,823 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 11:37:22,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595457378] [2022-11-20 11:37:22,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:37:22,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:37:22,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:37:22,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:37:22,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:37:22,825 INFO L87 Difference]: Start difference. First operand 230 states and 290 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-20 11:37:23,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:37:23,004 INFO L93 Difference]: Finished difference Result 415 states and 530 transitions. [2022-11-20 11:37:23,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 11:37:23,005 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 50 [2022-11-20 11:37:23,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:37:23,007 INFO L225 Difference]: With dead ends: 415 [2022-11-20 11:37:23,007 INFO L226 Difference]: Without dead ends: 192 [2022-11-20 11:37:23,009 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-20 11:37:23,009 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 148 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 11:37:23,010 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 237 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 11:37:23,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2022-11-20 11:37:23,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 187. [2022-11-20 11:37:23,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 145 states have (on average 1.2275862068965517) internal successors, (178), 154 states have internal predecessors, (178), 21 states have call successors, (21), 18 states have call predecessors, (21), 20 states have return successors, (28), 21 states have call predecessors, (28), 21 states have call successors, (28) [2022-11-20 11:37:23,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 227 transitions. [2022-11-20 11:37:23,030 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 227 transitions. Word has length 50 [2022-11-20 11:37:23,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:37:23,031 INFO L495 AbstractCegarLoop]: Abstraction has 187 states and 227 transitions. [2022-11-20 11:37:23,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-20 11:37:23,031 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 227 transitions. [2022-11-20 11:37:23,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-20 11:37:23,032 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:37:23,033 INFO L195 NwaCegarLoop]: 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] [2022-11-20 11:37:23,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-20 11:37:23,033 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:37:23,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:37:23,034 INFO L85 PathProgramCache]: Analyzing trace with hash 417001919, now seen corresponding path program 1 times [2022-11-20 11:37:23,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:37:23,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217912377] [2022-11-20 11:37:23,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:37:23,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:37:23,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:23,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 11:37:23,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:23,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 11:37:23,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:23,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:37:23,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:23,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-20 11:37:23,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:23,210 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 11:37:23,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:37:23,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217912377] [2022-11-20 11:37:23,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217912377] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:37:23,211 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:37:23,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-20 11:37:23,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168677833] [2022-11-20 11:37:23,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:37:23,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 11:37:23,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:37:23,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 11:37:23,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-20 11:37:23,213 INFO L87 Difference]: Start difference. First operand 187 states and 227 transitions. Second operand has 8 states, 8 states have (on average 5.625) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-20 11:37:23,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:37:23,953 INFO L93 Difference]: Finished difference Result 670 states and 835 transitions. [2022-11-20 11:37:23,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-20 11:37:23,954 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 54 [2022-11-20 11:37:23,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:37:23,958 INFO L225 Difference]: With dead ends: 670 [2022-11-20 11:37:23,959 INFO L226 Difference]: Without dead ends: 490 [2022-11-20 11:37:23,960 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=133, Invalid=467, Unknown=0, NotChecked=0, Total=600 [2022-11-20 11:37:23,963 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 316 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 11:37:23,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [322 Valid, 364 Invalid, 494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 11:37:23,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2022-11-20 11:37:24,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 379. [2022-11-20 11:37:24,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 290 states have (on average 1.2137931034482758) internal successors, (352), 313 states have internal predecessors, (352), 46 states have call successors, (46), 36 states have call predecessors, (46), 42 states have return successors, (71), 44 states have call predecessors, (71), 46 states have call successors, (71) [2022-11-20 11:37:24,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 469 transitions. [2022-11-20 11:37:24,039 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 469 transitions. Word has length 54 [2022-11-20 11:37:24,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:37:24,039 INFO L495 AbstractCegarLoop]: Abstraction has 379 states and 469 transitions. [2022-11-20 11:37:24,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-20 11:37:24,040 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 469 transitions. [2022-11-20 11:37:24,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-20 11:37:24,042 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:37:24,043 INFO L195 NwaCegarLoop]: 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] [2022-11-20 11:37:24,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-20 11:37:24,043 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:37:24,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:37:24,044 INFO L85 PathProgramCache]: Analyzing trace with hash -666503357, now seen corresponding path program 1 times [2022-11-20 11:37:24,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:37:24,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613114403] [2022-11-20 11:37:24,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:37:24,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:37:24,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:24,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 11:37:24,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:24,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 11:37:24,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:24,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-20 11:37:24,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:24,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:37:24,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:24,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-20 11:37:24,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:24,315 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 11:37:24,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:37:24,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613114403] [2022-11-20 11:37:24,316 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613114403] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 11:37:24,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1749692747] [2022-11-20 11:37:24,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:37:24,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:37:24,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf0b16b4-086b-49aa-8193-9c6001ba5590/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:37:24,322 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf0b16b4-086b-49aa-8193-9c6001ba5590/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 11:37:24,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf0b16b4-086b-49aa-8193-9c6001ba5590/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 11:37:24,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:24,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-20 11:37:24,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:37:24,720 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:37:24,720 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:37:24,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1749692747] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:37:24,721 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 11:37:24,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [14] total 19 [2022-11-20 11:37:24,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021123844] [2022-11-20 11:37:24,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:37:24,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 11:37:24,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:37:24,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 11:37:24,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2022-11-20 11:37:24,723 INFO L87 Difference]: Start difference. First operand 379 states and 469 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 6 states have internal predecessors, (47), 3 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2022-11-20 11:37:24,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:37:24,972 INFO L93 Difference]: Finished difference Result 739 states and 922 transitions. [2022-11-20 11:37:24,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 11:37:24,973 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 6 states have internal predecessors, (47), 3 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) Word has length 58 [2022-11-20 11:37:24,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:37:24,977 INFO L225 Difference]: With dead ends: 739 [2022-11-20 11:37:24,978 INFO L226 Difference]: Without dead ends: 367 [2022-11-20 11:37:24,979 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2022-11-20 11:37:24,980 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 66 mSDsluCounter, 643 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 810 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 11:37:24,981 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 810 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 11:37:24,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2022-11-20 11:37:25,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 365. [2022-11-20 11:37:25,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 279 states have (on average 1.200716845878136) internal successors, (335), 301 states have internal predecessors, (335), 45 states have call successors, (45), 36 states have call predecessors, (45), 40 states have return successors, (61), 42 states have call predecessors, (61), 45 states have call successors, (61) [2022-11-20 11:37:25,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 441 transitions. [2022-11-20 11:37:25,034 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 441 transitions. Word has length 58 [2022-11-20 11:37:25,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:37:25,034 INFO L495 AbstractCegarLoop]: Abstraction has 365 states and 441 transitions. [2022-11-20 11:37:25,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 6 states have internal predecessors, (47), 3 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2022-11-20 11:37:25,035 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 441 transitions. [2022-11-20 11:37:25,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-20 11:37:25,037 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:37:25,037 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:37:25,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf0b16b4-086b-49aa-8193-9c6001ba5590/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-20 11:37:25,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf0b16b4-086b-49aa-8193-9c6001ba5590/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-20 11:37:25,244 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:37:25,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:37:25,244 INFO L85 PathProgramCache]: Analyzing trace with hash 250422631, now seen corresponding path program 1 times [2022-11-20 11:37:25,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:37:25,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572221354] [2022-11-20 11:37:25,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:37:25,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:37:25,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:25,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 11:37:25,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:25,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-20 11:37:25,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:25,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:37:25,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:25,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:37:25,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:25,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-20 11:37:25,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:25,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-20 11:37:25,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:25,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-20 11:37:25,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:25,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:37:25,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:25,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-20 11:37:25,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:25,466 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-20 11:37:25,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:37:25,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572221354] [2022-11-20 11:37:25,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572221354] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 11:37:25,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [686686747] [2022-11-20 11:37:25,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:37:25,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:37:25,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf0b16b4-086b-49aa-8193-9c6001ba5590/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:37:25,469 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf0b16b4-086b-49aa-8193-9c6001ba5590/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 11:37:25,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf0b16b4-086b-49aa-8193-9c6001ba5590/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 11:37:25,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:25,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 11:37:25,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:37:25,733 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 11:37:25,733 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:37:25,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [686686747] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:37:25,734 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 11:37:25,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 7 [2022-11-20 11:37:25,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609749435] [2022-11-20 11:37:25,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:37:25,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:37:25,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:37:25,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:37:25,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 11:37:25,737 INFO L87 Difference]: Start difference. First operand 365 states and 441 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-11-20 11:37:25,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:37:25,804 INFO L93 Difference]: Finished difference Result 776 states and 986 transitions. [2022-11-20 11:37:25,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:37:25,805 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 96 [2022-11-20 11:37:25,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:37:25,808 INFO L225 Difference]: With dead ends: 776 [2022-11-20 11:37:25,809 INFO L226 Difference]: Without dead ends: 508 [2022-11-20 11:37:25,810 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 111 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 11:37:25,811 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 25 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:37:25,811 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 222 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:37:25,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2022-11-20 11:37:25,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 508. [2022-11-20 11:37:25,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 508 states, 384 states have (on average 1.1953125) internal successors, (459), 410 states have internal predecessors, (459), 65 states have call successors, (65), 54 states have call predecessors, (65), 58 states have return successors, (108), 65 states have call predecessors, (108), 65 states have call successors, (108) [2022-11-20 11:37:25,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 508 states and 632 transitions. [2022-11-20 11:37:25,905 INFO L78 Accepts]: Start accepts. Automaton has 508 states and 632 transitions. Word has length 96 [2022-11-20 11:37:25,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:37:25,906 INFO L495 AbstractCegarLoop]: Abstraction has 508 states and 632 transitions. [2022-11-20 11:37:25,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-11-20 11:37:25,906 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 632 transitions. [2022-11-20 11:37:25,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-20 11:37:25,909 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:37:25,909 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:37:25,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf0b16b4-086b-49aa-8193-9c6001ba5590/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-20 11:37:26,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf0b16b4-086b-49aa-8193-9c6001ba5590/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:37:26,115 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:37:26,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:37:26,116 INFO L85 PathProgramCache]: Analyzing trace with hash 759895721, now seen corresponding path program 1 times [2022-11-20 11:37:26,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:37:26,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406834658] [2022-11-20 11:37:26,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:37:26,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:37:26,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:26,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 11:37:26,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:26,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-20 11:37:26,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:26,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:37:26,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:26,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:37:26,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:26,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-20 11:37:26,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:26,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-20 11:37:26,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:26,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-20 11:37:26,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:26,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:37:26,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:26,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-20 11:37:26,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:26,348 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-20 11:37:26,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:37:26,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406834658] [2022-11-20 11:37:26,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406834658] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 11:37:26,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [668731917] [2022-11-20 11:37:26,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:37:26,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:37:26,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf0b16b4-086b-49aa-8193-9c6001ba5590/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:37:26,351 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf0b16b4-086b-49aa-8193-9c6001ba5590/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 11:37:26,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf0b16b4-086b-49aa-8193-9c6001ba5590/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-20 11:37:26,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:26,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-20 11:37:26,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:37:26,590 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 11:37:26,590 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:37:26,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [668731917] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:37:26,591 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 11:37:26,591 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 11 [2022-11-20 11:37:26,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242510741] [2022-11-20 11:37:26,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:37:26,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:37:26,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:37:26,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:37:26,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2022-11-20 11:37:26,593 INFO L87 Difference]: Start difference. First operand 508 states and 632 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-11-20 11:37:26,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:37:26,844 INFO L93 Difference]: Finished difference Result 1361 states and 1785 transitions. [2022-11-20 11:37:26,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 11:37:26,845 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 96 [2022-11-20 11:37:26,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:37:26,850 INFO L225 Difference]: With dead ends: 1361 [2022-11-20 11:37:26,851 INFO L226 Difference]: Without dead ends: 950 [2022-11-20 11:37:26,853 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 110 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2022-11-20 11:37:26,854 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 165 mSDsluCounter, 502 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 683 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 11:37:26,854 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 683 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 11:37:26,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 950 states. [2022-11-20 11:37:26,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 950 to 832. [2022-11-20 11:37:26,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 832 states, 628 states have (on average 1.1863057324840764) internal successors, (745), 670 states have internal predecessors, (745), 108 states have call successors, (108), 78 states have call predecessors, (108), 95 states have return successors, (203), 111 states have call predecessors, (203), 108 states have call successors, (203) [2022-11-20 11:37:26,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1056 transitions. [2022-11-20 11:37:26,945 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1056 transitions. Word has length 96 [2022-11-20 11:37:26,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:37:26,946 INFO L495 AbstractCegarLoop]: Abstraction has 832 states and 1056 transitions. [2022-11-20 11:37:26,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-11-20 11:37:26,946 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1056 transitions. [2022-11-20 11:37:26,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-20 11:37:26,949 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:37:26,949 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:37:26,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf0b16b4-086b-49aa-8193-9c6001ba5590/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-20 11:37:27,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf0b16b4-086b-49aa-8193-9c6001ba5590/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:37:27,158 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:37:27,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:37:27,158 INFO L85 PathProgramCache]: Analyzing trace with hash -1045542613, now seen corresponding path program 1 times [2022-11-20 11:37:27,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:37:27,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864827824] [2022-11-20 11:37:27,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:37:27,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:37:27,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:27,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 11:37:27,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:27,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-20 11:37:27,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:27,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 11:37:27,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:27,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:37:27,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:27,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-20 11:37:27,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:27,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-20 11:37:27,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:27,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-20 11:37:27,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:27,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:37:27,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:27,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-20 11:37:27,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:27,304 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-20 11:37:27,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:37:27,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864827824] [2022-11-20 11:37:27,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864827824] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 11:37:27,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [870672383] [2022-11-20 11:37:27,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:37:27,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:37:27,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf0b16b4-086b-49aa-8193-9c6001ba5590/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:37:27,307 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf0b16b4-086b-49aa-8193-9c6001ba5590/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 11:37:27,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf0b16b4-086b-49aa-8193-9c6001ba5590/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-20 11:37:27,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:37:27,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 11:37:27,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:37:27,484 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-20 11:37:27,484 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:37:27,484 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [870672383] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:37:27,484 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 11:37:27,485 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2022-11-20 11:37:27,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083729096] [2022-11-20 11:37:27,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:37:27,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 11:37:27,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:37:27,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 11:37:27,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-11-20 11:37:27,490 INFO L87 Difference]: Start difference. First operand 832 states and 1056 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-20 11:37:27,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:37:27,563 INFO L93 Difference]: Finished difference Result 1153 states and 1449 transitions. [2022-11-20 11:37:27,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 11:37:27,564 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 96 [2022-11-20 11:37:27,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:37:27,565 INFO L225 Difference]: With dead ends: 1153 [2022-11-20 11:37:27,565 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 11:37:27,569 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2022-11-20 11:37:27,570 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 36 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:37:27,570 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 331 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:37:27,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 11:37:27,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 11:37:27,572 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) [2022-11-20 11:37:27,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 11:37:27,572 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 96 [2022-11-20 11:37:27,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:37:27,573 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 11:37:27,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-20 11:37:27,574 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 11:37:27,574 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 11:37:27,576 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 11:37:27,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf0b16b4-086b-49aa-8193-9c6001ba5590/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-20 11:37:27,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf0b16b4-086b-49aa-8193-9c6001ba5590/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-20 11:37:27,785 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 11:37:32,804 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 586 592) no Hoare annotation was computed. [2022-11-20 11:37:32,804 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 586 592) the Hoare annotation is: true [2022-11-20 11:37:32,805 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 897 908) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (<= |old(~methaneLevelCritical~0)| 0))) (.cse3 (and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))) (.cse4 (not (<= 0 |old(~methaneLevelCritical~0)|)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3 .cse4) (or (<= 1 ~methaneLevelCritical~0) .cse0 .cse1 (not (<= 1 ~waterLevel~0)) (not (<= 1 |old(~methaneLevelCritical~0)|))) (or .cse1 (not (<= 2 ~waterLevel~0)) .cse2 .cse3 .cse4))) [2022-11-20 11:37:32,805 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 897 908) no Hoare annotation was computed. [2022-11-20 11:37:32,805 INFO L899 garLoopResultBuilder]: For program point L901-1(lines 897 908) no Hoare annotation was computed. [2022-11-20 11:37:32,806 INFO L902 garLoopResultBuilder]: At program point L800(lines 775 804) the Hoare annotation is: true [2022-11-20 11:37:32,806 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 775 804) no Hoare annotation was computed. [2022-11-20 11:37:32,806 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 775 804) the Hoare annotation is: true [2022-11-20 11:37:32,806 INFO L899 garLoopResultBuilder]: For program point L796(line 796) no Hoare annotation was computed. [2022-11-20 11:37:32,806 INFO L899 garLoopResultBuilder]: For program point L789(lines 789 793) no Hoare annotation was computed. [2022-11-20 11:37:32,807 INFO L902 garLoopResultBuilder]: At program point L789-1(lines 789 793) the Hoare annotation is: true [2022-11-20 11:37:32,807 INFO L899 garLoopResultBuilder]: For program point L786(line 786) no Hoare annotation was computed. [2022-11-20 11:37:32,807 INFO L902 garLoopResultBuilder]: At program point L785-2(lines 785 799) the Hoare annotation is: true [2022-11-20 11:37:32,807 INFO L902 garLoopResultBuilder]: At program point L781(line 781) the Hoare annotation is: true [2022-11-20 11:37:32,807 INFO L899 garLoopResultBuilder]: For program point L781-1(line 781) no Hoare annotation was computed. [2022-11-20 11:37:32,808 INFO L895 garLoopResultBuilder]: At program point L634(line 634) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 0 ~methaneLevelCritical~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 |old(~waterLevel~0)|)) .cse1) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-20 11:37:32,812 INFO L895 garLoopResultBuilder]: At program point L969(lines 964 972) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 0 ~methaneLevelCritical~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 |old(~waterLevel~0)|)) .cse1) (or .cse0 .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |timeShift_isLowWaterSensorDry_#res#1| 0) (<= 1 ~waterLevel~0)) (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-20 11:37:32,813 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 562 585) no Hoare annotation was computed. [2022-11-20 11:37:32,813 INFO L895 garLoopResultBuilder]: At program point L676(lines 671 678) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 0 ~methaneLevelCritical~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 |old(~waterLevel~0)|)) .cse1) (or .cse0 .cse1 (and (= |timeShift_isLowWaterSensorDry_#res#1| 0) (= ~pumpRunning~0 0) (<= 1 |timeShift_isLowWaterLevel_#res#1|) (<= 1 |timeShift_processEnvironment_~tmp~6#1|) (= |timeShift_isLowWaterLevel_~tmp~9#1| 0) (<= 1 |timeShift_isLowWaterLevel_~tmp___0~3#1|) (<= 1 ~waterLevel~0)) (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-20 11:37:32,813 INFO L899 garLoopResultBuilder]: For program point L65(lines 65 71) no Hoare annotation was computed. [2022-11-20 11:37:32,814 INFO L895 garLoopResultBuilder]: At program point L639(line 639) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (not (<= 0 ~methaneLevelCritical~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1 (not (<= 1 |old(~waterLevel~0)|)) .cse2) (or .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) .cse2 (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-20 11:37:32,814 INFO L895 garLoopResultBuilder]: At program point L639-1(lines 620 644) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0))) (let ((.cse2 (and .cse5 (<= 1 ~waterLevel~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 0 ~methaneLevelCritical~0))) (.cse3 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3) (or .cse4 (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 (and .cse5 (= ~waterLevel~0 1))) (or .cse4 .cse0 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse3)))) [2022-11-20 11:37:32,814 INFO L899 garLoopResultBuilder]: For program point L61(lines 61 74) no Hoare annotation was computed. [2022-11-20 11:37:32,814 INFO L899 garLoopResultBuilder]: For program point L573-1(lines 573 579) no Hoare annotation was computed. [2022-11-20 11:37:32,815 INFO L895 garLoopResultBuilder]: At program point L61-1(lines 53 77) the Hoare annotation is: (let ((.cse5 (= 1 ~systemActive~0))) (let ((.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= 1 |old(~waterLevel~0)|))) (.cse2 (not .cse5)) (.cse8 (not (<= ~methaneLevelCritical~0 0))) (.cse9 (not (<= 0 ~methaneLevelCritical~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse10 (< 0 (+ |timeShift___utac_acc__Specification1_spec__1_~tmp~0#1| 1))) (.cse11 (<= |timeShift___utac_acc__Specification1_spec__1_~tmp~0#1| 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse7 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (and .cse1 .cse5 .cse6) .cse2 .cse4 .cse7) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse2 .cse8 .cse9 (and .cse1 .cse10 .cse11)) (or .cse0 .cse2 .cse3 .cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (or .cse2 .cse8 .cse9 (and .cse10 (<= 2 ~waterLevel~0) .cse11) (and .cse1 .cse10 .cse11 .cse5 .cse6) .cse7)))) [2022-11-20 11:37:32,815 INFO L899 garLoopResultBuilder]: For program point L763(lines 763 767) no Hoare annotation was computed. [2022-11-20 11:37:32,815 INFO L899 garLoopResultBuilder]: For program point L763-2(lines 763 767) no Hoare annotation was computed. [2022-11-20 11:37:32,815 INFO L899 garLoopResultBuilder]: For program point L978(line 978) no Hoare annotation was computed. [2022-11-20 11:37:32,816 INFO L899 garLoopResultBuilder]: For program point L566-1(lines 565 584) no Hoare annotation was computed. [2022-11-20 11:37:32,816 INFO L899 garLoopResultBuilder]: For program point L628(lines 628 636) no Hoare annotation was computed. [2022-11-20 11:37:32,816 INFO L895 garLoopResultBuilder]: At program point L979(lines 974 981) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 0 ~methaneLevelCritical~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 |old(~waterLevel~0)|)) .cse1) (or .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-20 11:37:32,816 INFO L899 garLoopResultBuilder]: For program point L624(lines 624 641) no Hoare annotation was computed. [2022-11-20 11:37:32,817 INFO L895 garLoopResultBuilder]: At program point L769(lines 754 772) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 0 ~methaneLevelCritical~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 |old(~waterLevel~0)|)) .cse1) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |timeShift_isLowWaterSensorDry_#res#1| 0) (<= 1 |timeShift_isLowWaterLevel_#res#1|) (= |timeShift_isLowWaterLevel_~tmp~9#1| 0) (<= 1 |timeShift_isLowWaterLevel_~tmp___0~3#1|) (<= 1 ~waterLevel~0)) .cse0 .cse1 (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-20 11:37:32,817 INFO L895 garLoopResultBuilder]: At program point L59(line 59) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0))) (let ((.cse2 (and .cse5 (<= 1 ~waterLevel~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 0 ~methaneLevelCritical~0))) (.cse3 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3) (or .cse4 (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 (and .cse5 (= ~waterLevel~0 1))) (or .cse4 .cse0 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse3)))) [2022-11-20 11:37:32,817 INFO L899 garLoopResultBuilder]: For program point L59-1(line 59) no Hoare annotation was computed. [2022-11-20 11:37:32,817 INFO L895 garLoopResultBuilder]: At program point L695(lines 690 698) the Hoare annotation is: (let ((.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= |timeShift_isPumpRunning_#res#1| 0)) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse8 (not (<= 1 |old(~waterLevel~0)|))) (.cse1 (not (<= ~methaneLevelCritical~0 0))) (.cse2 (not (<= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 (and .cse5 .cse6 (<= 1 ~waterLevel~0)) .cse3) (or .cse7 .cse0 .cse8 .cse4 (and .cse5 .cse6 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse7 .cse0 .cse8 .cse1 .cse2))) [2022-11-20 11:37:32,818 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 562 585) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= 0 ~methaneLevelCritical~0)))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) .cse2 (not (<= 2 |old(~waterLevel~0)|))) (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) .cse1) .cse0 (not (<= 1 |old(~waterLevel~0)|)) .cse2))) [2022-11-20 11:37:32,818 INFO L899 garLoopResultBuilder]: For program point L877(lines 877 881) no Hoare annotation was computed. [2022-11-20 11:37:32,818 INFO L895 garLoopResultBuilder]: At program point L877-2(lines 873 884) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 ~waterLevel~0)) (not (<= 2 |old(~waterLevel~0)|))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 |old(~waterLevel~0)|)) .cse1))) [2022-11-20 11:37:32,818 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 562 585) no Hoare annotation was computed. [2022-11-20 11:37:32,819 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 978) no Hoare annotation was computed. [2022-11-20 11:37:32,819 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 909 917) the Hoare annotation is: true [2022-11-20 11:37:32,819 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 909 917) no Hoare annotation was computed. [2022-11-20 11:37:32,819 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 909 917) no Hoare annotation was computed. [2022-11-20 11:37:32,820 INFO L895 garLoopResultBuilder]: At program point L97(lines 93 99) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1)) [2022-11-20 11:37:32,820 INFO L902 garLoopResultBuilder]: At program point L865(lines 846 868) the Hoare annotation is: true [2022-11-20 11:37:32,820 INFO L895 garLoopResultBuilder]: At program point L543(lines 496 544) the Hoare annotation is: false [2022-11-20 11:37:32,820 INFO L899 garLoopResultBuilder]: For program point L498(lines 497 542) no Hoare annotation was computed. [2022-11-20 11:37:32,820 INFO L899 garLoopResultBuilder]: For program point L527(lines 527 538) no Hoare annotation was computed. [2022-11-20 11:37:32,821 INFO L895 garLoopResultBuilder]: At program point L519(line 519) the Hoare annotation is: (let ((.cse3 (<= 0 ~methaneLevelCritical~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1)) (and (<= 2 ~waterLevel~0) .cse1 (<= ~methaneLevelCritical~0 0) .cse2 .cse3) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1 .cse2 (<= 1 ~waterLevel~0)))) [2022-11-20 11:37:32,821 INFO L895 garLoopResultBuilder]: At program point L833(lines 829 835) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1)) [2022-11-20 11:37:32,821 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 11:37:32,821 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 11:37:32,821 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-20 11:37:32,822 INFO L895 garLoopResultBuilder]: At program point L540(lines 497 542) the Hoare annotation is: (let ((.cse3 (<= 0 ~methaneLevelCritical~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1)) (and (<= 2 ~waterLevel~0) .cse1 (<= ~methaneLevelCritical~0 0) .cse2 .cse3) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1 .cse2 (<= 1 ~waterLevel~0)))) [2022-11-20 11:37:32,822 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 513) no Hoare annotation was computed. [2022-11-20 11:37:32,822 INFO L899 garLoopResultBuilder]: For program point L507-1(lines 507 513) no Hoare annotation was computed. [2022-11-20 11:37:32,822 INFO L899 garLoopResultBuilder]: For program point L499(lines 499 503) no Hoare annotation was computed. [2022-11-20 11:37:32,822 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 11:37:32,823 INFO L899 garLoopResultBuilder]: For program point L533(lines 533 537) no Hoare annotation was computed. [2022-11-20 11:37:32,823 INFO L895 garLoopResultBuilder]: At program point L533-2(lines 527 538) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= 0 ~methaneLevelCritical~0))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 (= ~waterLevel~0 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2))) [2022-11-20 11:37:32,823 INFO L895 garLoopResultBuilder]: At program point L112(lines 107 115) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1)) [2022-11-20 11:37:32,823 INFO L902 garLoopResultBuilder]: At program point L843(lines 836 845) the Hoare annotation is: true [2022-11-20 11:37:32,824 INFO L895 garLoopResultBuilder]: At program point L104(lines 100 106) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1)) [2022-11-20 11:37:32,824 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 523) no Hoare annotation was computed. [2022-11-20 11:37:32,824 INFO L899 garLoopResultBuilder]: For program point L517-1(lines 517 523) no Hoare annotation was computed. [2022-11-20 11:37:32,824 INFO L902 garLoopResultBuilder]: At program point L546(lines 487 550) the Hoare annotation is: true [2022-11-20 11:37:32,824 INFO L895 garLoopResultBuilder]: At program point L509(line 509) the Hoare annotation is: (let ((.cse3 (<= 0 ~methaneLevelCritical~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1)) (and (<= 2 ~waterLevel~0) .cse1 (<= ~methaneLevelCritical~0 0) .cse2 .cse3) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1 .cse2 (<= 1 ~waterLevel~0)))) [2022-11-20 11:37:32,825 INFO L899 garLoopResultBuilder]: For program point L856(lines 856 863) no Hoare annotation was computed. [2022-11-20 11:37:32,825 INFO L899 garLoopResultBuilder]: For program point L856-2(lines 856 863) no Hoare annotation was computed. [2022-11-20 11:37:32,825 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 594 618) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)) (not (<= 1 ~waterLevel~0)) (not (<= 0 ~methaneLevelCritical~0))) [2022-11-20 11:37:32,825 INFO L899 garLoopResultBuilder]: For program point L954(lines 954 960) no Hoare annotation was computed. [2022-11-20 11:37:32,826 INFO L899 garLoopResultBuilder]: For program point L661(lines 661 667) no Hoare annotation was computed. [2022-11-20 11:37:32,826 INFO L895 garLoopResultBuilder]: At program point L661-2(lines 654 670) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (<= 1 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 (<= 2 ~waterLevel~0) (not (<= 0 ~methaneLevelCritical~0))) (or .cse0 .cse1 (and (= ~pumpRunning~0 0) (<= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_isMethaneAlarm_#res#1|) (<= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_activatePump_~tmp~7#1|)) .cse2 (not (<= 1 ~methaneLevelCritical~0))))) [2022-11-20 11:37:32,826 INFO L895 garLoopResultBuilder]: At program point L750(lines 735 753) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (<= 0 ~methaneLevelCritical~0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 (and (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~8#1| 0)) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~2#1| 0) (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0)) .cse2) (or .cse0 (= ~pumpRunning~0 0) .cse1 (not (<= 1 ~waterLevel~0)) .cse2))) [2022-11-20 11:37:32,826 INFO L895 garLoopResultBuilder]: At program point L686(lines 679 689) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (<= 1 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 (not (<= 0 ~methaneLevelCritical~0)) (and (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0))) (or .cse0 .cse1 .cse2 (not (<= 1 ~methaneLevelCritical~0)) (<= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_isMethaneAlarm_#res#1|)))) [2022-11-20 11:37:32,827 INFO L895 garLoopResultBuilder]: At program point L684(line 684) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0)) (not (<= 1 ~waterLevel~0)) (not (<= 0 ~methaneLevelCritical~0)) (and (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0))) [2022-11-20 11:37:32,827 INFO L899 garLoopResultBuilder]: For program point L684-1(line 684) no Hoare annotation was computed. [2022-11-20 11:37:32,827 INFO L899 garLoopResultBuilder]: For program point L744(lines 744 748) no Hoare annotation was computed. [2022-11-20 11:37:32,827 INFO L899 garLoopResultBuilder]: For program point L744-2(lines 744 748) no Hoare annotation was computed. [2022-11-20 11:37:32,828 INFO L895 garLoopResultBuilder]: At program point L608(line 608) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (<= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~5#1| 0)) (not (<= 1 ~waterLevel~0)) .cse2) (or (not (= ~waterLevel~0 1)) .cse0 (and (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~8#1| 0)) (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0))) .cse1 .cse2))) [2022-11-20 11:37:32,828 INFO L895 garLoopResultBuilder]: At program point L959(lines 950 963) the Hoare annotation is: (let ((.cse13 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse10 (= ~pumpRunning~0 0)) (.cse14 (<= 2 ~waterLevel~0)) (.cse12 (= 1 ~systemActive~0)) (.cse11 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) (.cse16 (<= 0 ~methaneLevelCritical~0)) (.cse15 (<= ~methaneLevelCritical~0 0))) (let ((.cse3 (not .cse15)) (.cse4 (not .cse16)) (.cse5 (and .cse13 .cse10 .cse14 .cse12 .cse15 .cse16 .cse11)) (.cse2 (not .cse14)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (and .cse13 .cse10 .cse14 .cse12 .cse11)) (.cse1 (not .cse12)) (.cse6 (not (<= 1 ~waterLevel~0))) (.cse7 (and .cse10 (not .cse11))) (.cse9 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse6 .cse7 .cse3 .cse4 .cse5) (or .cse0 .cse8 .cse1 .cse2 .cse9) (or .cse0 .cse8 .cse1 .cse6 .cse7 .cse9)))) [2022-11-20 11:37:32,828 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 594 618) no Hoare annotation was computed. [2022-11-20 11:37:32,828 INFO L899 garLoopResultBuilder]: For program point L602(lines 602 610) no Hoare annotation was computed. [2022-11-20 11:37:32,829 INFO L899 garLoopResultBuilder]: For program point L598(lines 598 615) no Hoare annotation was computed. [2022-11-20 11:37:32,829 INFO L895 garLoopResultBuilder]: At program point L650(lines 645 652) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0)) (not (<= 1 ~waterLevel~0)) (and (<= 2 ~waterLevel~0) (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0))) [2022-11-20 11:37:32,829 INFO L895 garLoopResultBuilder]: At program point L613(line 613) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0)) (not (<= 1 ~waterLevel~0)) (not (<= 0 ~methaneLevelCritical~0))) [2022-11-20 11:37:32,829 INFO L899 garLoopResultBuilder]: For program point L613-1(lines 594 618) no Hoare annotation was computed. [2022-11-20 11:37:32,830 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 885 896) no Hoare annotation was computed. [2022-11-20 11:37:32,830 INFO L899 garLoopResultBuilder]: For program point L889-1(lines 885 896) no Hoare annotation was computed. [2022-11-20 11:37:32,830 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 885 896) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (<= 0 ~methaneLevelCritical~0))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2 (= ~waterLevel~0 1)) (or .cse0 .cse1 (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 ~methaneLevelCritical~0)) .cse3) (or .cse1 (not (<= ~methaneLevelCritical~0 0)) .cse2 .cse3 (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-20 11:37:32,834 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:37:32,836 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 11:37:32,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 11:37:32 BoogieIcfgContainer [2022-11-20 11:37:32,865 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 11:37:32,865 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 11:37:32,865 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 11:37:32,866 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 11:37:32,866 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:37:19" (3/4) ... [2022-11-20 11:37:32,870 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 11:37:32,877 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-20 11:37:32,877 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-20 11:37:32,877 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-20 11:37:32,877 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-20 11:37:32,877 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-20 11:37:32,878 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-11-20 11:37:32,878 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-20 11:37:32,885 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2022-11-20 11:37:32,886 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-20 11:37:32,886 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 11:37:32,887 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 11:37:32,888 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 11:37:32,917 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || !(0 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && 1 <= waterLevel)) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(0 <= methaneLevelCritical)) [2022-11-20 11:37:32,918 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(1 == systemActive) || 2 <= waterLevel) || !(0 <= methaneLevelCritical)) || (pumpRunning == 0 && 1 <= waterLevel)) || !(2 <= \old(waterLevel))) && (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 1 <= waterLevel)) || !(2 <= \old(waterLevel)))) && ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(0 <= methaneLevelCritical)) || (pumpRunning == 0 && waterLevel == 1))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(0 <= methaneLevelCritical)) || \old(waterLevel) == waterLevel) || !(2 <= \old(waterLevel))) [2022-11-20 11:37:32,919 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) && (((((pumpRunning == 0 && 1 == systemActive) && 1 <= waterLevel) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || ((pumpRunning == 0 && 0 < tmp + 1) && tmp <= 0))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(0 <= methaneLevelCritical)) || \old(waterLevel) == waterLevel)) && (((((!(1 == systemActive) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || ((0 < tmp + 1 && 2 <= waterLevel) && tmp <= 0)) || ((((pumpRunning == 0 && 0 < tmp + 1) && tmp <= 0) && 1 == systemActive) && 1 <= waterLevel)) || !(2 <= \old(waterLevel))) [2022-11-20 11:37:32,919 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= waterLevel)) || !(0 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= waterLevel)) || !(1 <= methaneLevelCritical)) || methaneLevelCritical <= \result) [2022-11-20 11:37:32,920 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == systemActive) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || !(2 <= \old(waterLevel))) && (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \result == 0) && 1 <= waterLevel)) || !(2 <= \old(waterLevel)))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) [2022-11-20 11:37:32,920 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(0 <= methaneLevelCritical)) && (((!(1 == systemActive) || !(0 <= methaneLevelCritical)) || ((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= waterLevel)) || !(2 <= \old(waterLevel))) [2022-11-20 11:37:32,920 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= waterLevel)) || 2 <= waterLevel) || !(0 <= methaneLevelCritical)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && methaneLevelCritical <= \result) && methaneLevelCritical <= tmp)) || !(1 <= waterLevel)) || !(1 <= methaneLevelCritical)) [2022-11-20 11:37:32,921 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(2 <= waterLevel)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && \result == 0)) && ((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= waterLevel)) || (pumpRunning == 0 && !(\result == 0))) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && \result == 0))) && ((((!(\old(pumpRunning) == 0) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0)) || !(1 == systemActive)) || !(2 <= waterLevel)) || !(1 <= methaneLevelCritical))) && (((((!(\old(pumpRunning) == 0) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0)) || !(1 == systemActive)) || !(1 <= waterLevel)) || (pumpRunning == 0 && !(\result == 0))) || !(1 <= methaneLevelCritical)) [2022-11-20 11:37:32,921 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= waterLevel)) || (2 <= waterLevel && methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical) [2022-11-20 11:37:32,921 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(0 <= methaneLevelCritical)) && ((!(1 == systemActive) || !(0 <= methaneLevelCritical)) || !(2 <= \old(waterLevel))) [2022-11-20 11:37:32,922 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(0 <= methaneLevelCritical)) && ((((((((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= \result) && tmp == 0) && 1 <= tmp___0) && 1 <= waterLevel) || !(1 == systemActive)) || !(0 <= methaneLevelCritical)) || !(2 <= \old(waterLevel))) [2022-11-20 11:37:32,922 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (((!(tmp == 0) && tmp___0 == 0) && !(\result == 0)) && \result == 0)) || !(0 <= methaneLevelCritical)) && ((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(1 <= waterLevel)) || !(0 <= methaneLevelCritical)) [2022-11-20 11:37:32,922 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(0 <= methaneLevelCritical)) && (((!(1 == systemActive) || !(0 <= methaneLevelCritical)) || ((((((\result == 0 && pumpRunning == 0) && 1 <= \result) && 1 <= tmp) && tmp == 0) && 1 <= tmp___0) && 1 <= waterLevel)) || !(2 <= \old(waterLevel))) [2022-11-20 11:37:32,950 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf0b16b4-086b-49aa-8193-9c6001ba5590/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 11:37:32,950 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 11:37:32,951 INFO L158 Benchmark]: Toolchain (without parser) took 14234.19ms. Allocated memory was 169.9MB in the beginning and 247.5MB in the end (delta: 77.6MB). Free memory was 135.0MB in the beginning and 154.3MB in the end (delta: -19.3MB). Peak memory consumption was 60.4MB. Max. memory is 16.1GB. [2022-11-20 11:37:32,952 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 130.0MB. Free memory was 97.9MB in the beginning and 97.8MB in the end (delta: 141.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:37:32,952 INFO L158 Benchmark]: CACSL2BoogieTranslator took 451.15ms. Allocated memory is still 169.9MB. Free memory was 135.0MB in the beginning and 116.5MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 11:37:32,953 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.08ms. Allocated memory is still 169.9MB. Free memory was 116.5MB in the beginning and 114.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:37:32,953 INFO L158 Benchmark]: Boogie Preprocessor took 65.19ms. Allocated memory is still 169.9MB. Free memory was 114.0MB in the beginning and 112.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 11:37:32,953 INFO L158 Benchmark]: RCFGBuilder took 643.71ms. Allocated memory is still 169.9MB. Free memory was 112.3MB in the beginning and 95.5MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 11:37:32,954 INFO L158 Benchmark]: TraceAbstraction took 12922.42ms. Allocated memory was 169.9MB in the beginning and 247.5MB in the end (delta: 77.6MB). Free memory was 95.1MB in the beginning and 160.6MB in the end (delta: -65.5MB). Peak memory consumption was 104.4MB. Max. memory is 16.1GB. [2022-11-20 11:37:32,955 INFO L158 Benchmark]: Witness Printer took 85.32ms. Allocated memory is still 247.5MB. Free memory was 160.6MB in the beginning and 154.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-20 11:37:32,957 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 130.0MB. Free memory was 97.9MB in the beginning and 97.8MB in the end (delta: 141.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 451.15ms. Allocated memory is still 169.9MB. Free memory was 135.0MB in the beginning and 116.5MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.08ms. Allocated memory is still 169.9MB. Free memory was 116.5MB in the beginning and 114.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.19ms. Allocated memory is still 169.9MB. Free memory was 114.0MB in the beginning and 112.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 643.71ms. Allocated memory is still 169.9MB. Free memory was 112.3MB in the beginning and 95.5MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 12922.42ms. Allocated memory was 169.9MB in the beginning and 247.5MB in the end (delta: 77.6MB). Free memory was 95.1MB in the beginning and 160.6MB in the end (delta: -65.5MB). Peak memory consumption was 104.4MB. Max. memory is 16.1GB. * Witness Printer took 85.32ms. Allocated memory is still 247.5MB. Free memory was 160.6MB in the beginning and 154.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 978]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 91 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.8s, OverallIterations: 13, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1355 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1325 mSDsluCounter, 4274 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2871 mSDsCounter, 284 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1152 IncrementalHoareTripleChecker+Invalid, 1436 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 284 mSolverCounterUnsat, 1403 mSDtfsCounter, 1152 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 565 GetRequests, 449 SyntacticMatches, 6 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=832occurred in iteration=12, InterpolantAutomatonStates: 94, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 13 MinimizatonAttempts, 321 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 1663 PreInvPairs, 1838 NumberOfFragments, 1580 HoareAnnotationTreeSize, 1663 FomulaSimplifications, 269 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 42 FomulaSimplificationsInter, 11239 FormulaSimplificationTreeSizeReductionInter, 4.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 1045 NumberOfCodeBlocks, 1045 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1028 ConstructedInterpolants, 0 QuantifiedInterpolants, 1881 SizeOfPredicates, 12 NumberOfNonLiveVariables, 1220 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 17 InterpolantComputations, 13 PerfectInterpolantSequences, 186/195 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: 846]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 964]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(0 <= methaneLevelCritical)) && (((!(1 == systemActive) || !(0 <= methaneLevelCritical)) || ((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= waterLevel)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 679]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= waterLevel)) || !(0 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= waterLevel)) || !(1 <= methaneLevelCritical)) || methaneLevelCritical <= \result) - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 == systemActive) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1 - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 == systemActive) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1 - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: ((((((!(1 == systemActive) || 2 <= waterLevel) || !(0 <= methaneLevelCritical)) || (pumpRunning == 0 && 1 <= waterLevel)) || !(2 <= \old(waterLevel))) && (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 1 <= waterLevel)) || !(2 <= \old(waterLevel)))) && ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(0 <= methaneLevelCritical)) || (pumpRunning == 0 && waterLevel == 1))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(0 <= methaneLevelCritical)) || \old(waterLevel) == waterLevel) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 671]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(0 <= methaneLevelCritical)) && (((!(1 == systemActive) || !(0 <= methaneLevelCritical)) || ((((((\result == 0 && pumpRunning == 0) && 1 <= \result) && 1 <= tmp) && tmp == 0) && 1 <= tmp___0) && 1 <= waterLevel)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 645]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= waterLevel)) || (2 <= waterLevel && methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical) - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 == systemActive) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) && (((((pumpRunning == 0 && 1 == systemActive) && 1 <= waterLevel) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || ((pumpRunning == 0 && 0 < tmp + 1) && tmp <= 0))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(0 <= methaneLevelCritical)) || \old(waterLevel) == waterLevel)) && (((((!(1 == systemActive) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || ((0 < tmp + 1 && 2 <= waterLevel) && tmp <= 0)) || ((((pumpRunning == 0 && 0 < tmp + 1) && tmp <= 0) && 1 == systemActive) && 1 <= waterLevel)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 654]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= waterLevel)) || 2 <= waterLevel) || !(0 <= methaneLevelCritical)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && methaneLevelCritical <= \result) && methaneLevelCritical <= tmp)) || !(1 <= waterLevel)) || !(1 <= methaneLevelCritical)) - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0) && 0 <= methaneLevelCritical) && waterLevel == 1) || ((((2 <= waterLevel && 1 == systemActive) && methaneLevelCritical <= 0) && splverifierCounter == 0) && 0 <= methaneLevelCritical)) || ((((pumpRunning == 0 && 1 <= methaneLevelCritical) && 1 == systemActive) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: ((((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (((!(tmp == 0) && tmp___0 == 0) && !(\result == 0)) && \result == 0)) || !(0 <= methaneLevelCritical)) && ((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(1 <= waterLevel)) || !(0 <= methaneLevelCritical)) - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || !(2 <= \old(waterLevel))) && (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \result == 0) && 1 <= waterLevel)) || !(2 <= \old(waterLevel)))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(2 <= waterLevel)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && \result == 0)) && ((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= waterLevel)) || (pumpRunning == 0 && !(\result == 0))) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && \result == 0))) && ((((!(\old(pumpRunning) == 0) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0)) || !(1 == systemActive)) || !(2 <= waterLevel)) || !(1 <= methaneLevelCritical))) && (((((!(\old(pumpRunning) == 0) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && \result == 0)) || !(1 == systemActive)) || !(1 <= waterLevel)) || (pumpRunning == 0 && !(\result == 0))) || !(1 <= methaneLevelCritical)) - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || !(0 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && 1 <= waterLevel)) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(0 <= methaneLevelCritical)) - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(0 <= methaneLevelCritical)) && ((((((((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= \result) && tmp == 0) && 1 <= tmp___0) && 1 <= waterLevel) || !(1 == systemActive)) || !(0 <= methaneLevelCritical)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 == systemActive) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 974]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= \old(waterLevel))) || !(0 <= methaneLevelCritical)) && ((!(1 == systemActive) || !(0 <= methaneLevelCritical)) || !(2 <= \old(waterLevel))) RESULT: Ultimate proved your program to be correct! [2022-11-20 11:37:32,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf0b16b4-086b-49aa-8193-9c6001ba5590/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE