./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product45.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 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_be740e24-32de-4a0f-887a-ef76578a4732/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be740e24-32de-4a0f-887a-ef76578a4732/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be740e24-32de-4a0f-887a-ef76578a4732/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be740e24-32de-4a0f-887a-ef76578a4732/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product45.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be740e24-32de-4a0f-887a-ef76578a4732/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be740e24-32de-4a0f-887a-ef76578a4732/bin/uautomizer-QkZJyEgLgS --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 69f20c6619059452dea710c235d91f0e8ca980fcacc48c7e37668ab8a6397c50 --- 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-4e7fbc6 [2022-11-23 03:37:08,160 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 03:37:08,162 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 03:37:08,188 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 03:37:08,188 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 03:37:08,190 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 03:37:08,191 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 03:37:08,193 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 03:37:08,195 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 03:37:08,197 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 03:37:08,198 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 03:37:08,199 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 03:37:08,200 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 03:37:08,201 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 03:37:08,203 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 03:37:08,204 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 03:37:08,205 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 03:37:08,206 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 03:37:08,209 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 03:37:08,211 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 03:37:08,213 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 03:37:08,214 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 03:37:08,216 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 03:37:08,217 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 03:37:08,221 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 03:37:08,222 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 03:37:08,222 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 03:37:08,224 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 03:37:08,224 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 03:37:08,232 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 03:37:08,233 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 03:37:08,234 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 03:37:08,235 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 03:37:08,236 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 03:37:08,237 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 03:37:08,237 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 03:37:08,238 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 03:37:08,239 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 03:37:08,239 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 03:37:08,240 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 03:37:08,241 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 03:37:08,242 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be740e24-32de-4a0f-887a-ef76578a4732/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-23 03:37:08,269 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 03:37:08,269 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 03:37:08,269 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 03:37:08,270 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 03:37:08,271 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 03:37:08,271 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 03:37:08,272 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 03:37:08,272 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 03:37:08,272 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 03:37:08,272 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 03:37:08,273 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 03:37:08,273 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 03:37:08,273 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 03:37:08,274 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 03:37:08,274 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 03:37:08,274 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 03:37:08,274 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 03:37:08,275 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 03:37:08,275 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 03:37:08,275 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 03:37:08,275 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 03:37:08,276 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 03:37:08,276 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 03:37:08,276 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 03:37:08,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 03:37:08,277 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 03:37:08,277 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 03:37:08,277 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 03:37:08,278 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 03:37:08,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 03:37:08,278 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 03:37:08,278 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 03:37:08,279 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 03:37:08,279 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 03:37:08,279 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_be740e24-32de-4a0f-887a-ef76578a4732/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be740e24-32de-4a0f-887a-ef76578a4732/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 69f20c6619059452dea710c235d91f0e8ca980fcacc48c7e37668ab8a6397c50 [2022-11-23 03:37:08,597 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 03:37:08,638 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 03:37:08,643 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 03:37:08,645 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 03:37:08,645 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 03:37:08,647 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be740e24-32de-4a0f-887a-ef76578a4732/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/product-lines/minepump_spec2_product45.cil.c [2022-11-23 03:37:12,276 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 03:37:12,629 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 03:37:12,630 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be740e24-32de-4a0f-887a-ef76578a4732/sv-benchmarks/c/product-lines/minepump_spec2_product45.cil.c [2022-11-23 03:37:12,645 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be740e24-32de-4a0f-887a-ef76578a4732/bin/uautomizer-QkZJyEgLgS/data/98c373e4d/37e0eb0932b144bea5ba720556b9b04e/FLAGe902bfa23 [2022-11-23 03:37:12,677 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be740e24-32de-4a0f-887a-ef76578a4732/bin/uautomizer-QkZJyEgLgS/data/98c373e4d/37e0eb0932b144bea5ba720556b9b04e [2022-11-23 03:37:12,684 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 03:37:12,685 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 03:37:12,690 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 03:37:12,693 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 03:37:12,698 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 03:37:12,699 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:37:12" (1/1) ... [2022-11-23 03:37:12,700 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d592ec0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:12, skipping insertion in model container [2022-11-23 03:37:12,701 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:37:12" (1/1) ... [2022-11-23 03:37:12,712 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 03:37:12,778 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 03:37:13,041 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_be740e24-32de-4a0f-887a-ef76578a4732/sv-benchmarks/c/product-lines/minepump_spec2_product45.cil.c[11292,11305] [2022-11-23 03:37:13,089 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:37:13,109 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 03:37:13,188 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_be740e24-32de-4a0f-887a-ef76578a4732/sv-benchmarks/c/product-lines/minepump_spec2_product45.cil.c[11292,11305] [2022-11-23 03:37:13,212 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:37:13,234 INFO L208 MainTranslator]: Completed translation [2022-11-23 03:37:13,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:13 WrapperNode [2022-11-23 03:37:13,234 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 03:37:13,236 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 03:37:13,236 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 03:37:13,236 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 03:37:13,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:13" (1/1) ... [2022-11-23 03:37:13,268 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:13" (1/1) ... [2022-11-23 03:37:13,309 INFO L138 Inliner]: procedures = 55, calls = 100, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 190 [2022-11-23 03:37:13,309 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 03:37:13,310 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 03:37:13,310 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 03:37:13,311 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 03:37:13,322 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:13" (1/1) ... [2022-11-23 03:37:13,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:13" (1/1) ... [2022-11-23 03:37:13,341 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:13" (1/1) ... [2022-11-23 03:37:13,341 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:13" (1/1) ... [2022-11-23 03:37:13,347 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:13" (1/1) ... [2022-11-23 03:37:13,368 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:13" (1/1) ... [2022-11-23 03:37:13,370 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:13" (1/1) ... [2022-11-23 03:37:13,371 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:13" (1/1) ... [2022-11-23 03:37:13,374 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 03:37:13,392 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 03:37:13,392 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 03:37:13,392 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 03:37:13,393 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:13" (1/1) ... [2022-11-23 03:37:13,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 03:37:13,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be740e24-32de-4a0f-887a-ef76578a4732/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:37:13,455 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be740e24-32de-4a0f-887a-ef76578a4732/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 03:37:13,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be740e24-32de-4a0f-887a-ef76578a4732/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 03:37:13,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 03:37:13,519 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-23 03:37:13,520 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-23 03:37:13,520 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-23 03:37:13,520 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-23 03:37:13,520 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-23 03:37:13,523 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-23 03:37:13,523 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-23 03:37:13,523 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-23 03:37:13,523 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-23 03:37:13,524 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-23 03:37:13,524 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-11-23 03:37:13,524 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-11-23 03:37:13,524 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-11-23 03:37:13,524 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-11-23 03:37:13,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 03:37:13,525 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-23 03:37:13,525 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-23 03:37:13,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 03:37:13,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 03:37:13,692 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 03:37:13,695 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 03:37:14,192 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 03:37:14,203 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 03:37:14,207 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-23 03:37:14,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:37:14 BoogieIcfgContainer [2022-11-23 03:37:14,213 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 03:37:14,217 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 03:37:14,217 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 03:37:14,221 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 03:37:14,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:37:12" (1/3) ... [2022-11-23 03:37:14,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3972d309 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:37:14, skipping insertion in model container [2022-11-23 03:37:14,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:13" (2/3) ... [2022-11-23 03:37:14,226 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3972d309 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:37:14, skipping insertion in model container [2022-11-23 03:37:14,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:37:14" (3/3) ... [2022-11-23 03:37:14,232 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product45.cil.c [2022-11-23 03:37:14,258 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 03:37:14,258 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 03:37:14,352 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 03:37:14,361 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;@495ae0fc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 03:37:14,362 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 03:37:14,368 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 71 states have (on average 1.380281690140845) internal successors, (98), 79 states have internal predecessors, (98), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 12 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-23 03:37:14,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-23 03:37:14,385 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:37:14,385 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] [2022-11-23 03:37:14,387 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:37:14,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:37:14,397 INFO L85 PathProgramCache]: Analyzing trace with hash 1869668402, now seen corresponding path program 1 times [2022-11-23 03:37:14,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:37:14,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986386169] [2022-11-23 03:37:14,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:37:14,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:37:14,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:14,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-23 03:37:14,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:14,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:37:14,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:37:14,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986386169] [2022-11-23 03:37:14,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986386169] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:37:14,742 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:37:14,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 03:37:14,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794853057] [2022-11-23 03:37:14,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:37:14,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 03:37:14,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:37:14,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 03:37:14,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 03:37:14,813 INFO L87 Difference]: Start difference. First operand has 95 states, 71 states have (on average 1.380281690140845) internal successors, (98), 79 states have internal predecessors, (98), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 12 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 03:37:14,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:37:14,877 INFO L93 Difference]: Finished difference Result 181 states and 246 transitions. [2022-11-23 03:37:14,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 03:37:14,881 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-11-23 03:37:14,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:37:14,927 INFO L225 Difference]: With dead ends: 181 [2022-11-23 03:37:14,927 INFO L226 Difference]: Without dead ends: 86 [2022-11-23 03:37:14,934 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 [2022-11-23 03:37:14,942 INFO L413 NwaCegarLoop]: 120 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, 120 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 [2022-11-23 03:37:14,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 03:37:14,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2022-11-23 03:37:15,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2022-11-23 03:37:15,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 64 states have (on average 1.3125) internal successors, (84), 71 states have internal predecessors, (84), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-23 03:37:15,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 111 transitions. [2022-11-23 03:37:15,042 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 111 transitions. Word has length 25 [2022-11-23 03:37:15,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:37:15,044 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 111 transitions. [2022-11-23 03:37:15,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 03:37:15,045 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 111 transitions. [2022-11-23 03:37:15,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-23 03:37:15,050 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:37:15,050 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] [2022-11-23 03:37:15,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 03:37:15,051 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:37:15,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:37:15,052 INFO L85 PathProgramCache]: Analyzing trace with hash 224653099, now seen corresponding path program 1 times [2022-11-23 03:37:15,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:37:15,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669622815] [2022-11-23 03:37:15,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:37:15,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:37:15,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:15,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-23 03:37:15,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:15,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:37:15,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:37:15,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669622815] [2022-11-23 03:37:15,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669622815] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:37:15,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:37:15,257 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 03:37:15,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3153034] [2022-11-23 03:37:15,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:37:15,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 03:37:15,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:37:15,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 03:37:15,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 03:37:15,262 INFO L87 Difference]: Start difference. First operand 86 states and 111 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 03:37:15,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:37:15,320 INFO L93 Difference]: Finished difference Result 137 states and 177 transitions. [2022-11-23 03:37:15,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 03:37:15,323 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-11-23 03:37:15,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:37:15,325 INFO L225 Difference]: With dead ends: 137 [2022-11-23 03:37:15,327 INFO L226 Difference]: Without dead ends: 77 [2022-11-23 03:37:15,329 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 [2022-11-23 03:37:15,331 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 12 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 180 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 [2022-11-23 03:37:15,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 180 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 03:37:15,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-11-23 03:37:15,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2022-11-23 03:37:15,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 58 states have (on average 1.3275862068965518) internal successors, (77), 65 states have internal predecessors, (77), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-23 03:37:15,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 99 transitions. [2022-11-23 03:37:15,352 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 99 transitions. Word has length 26 [2022-11-23 03:37:15,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:37:15,352 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 99 transitions. [2022-11-23 03:37:15,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 03:37:15,353 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 99 transitions. [2022-11-23 03:37:15,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-23 03:37:15,355 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:37:15,355 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] [2022-11-23 03:37:15,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 03:37:15,356 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:37:15,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:37:15,356 INFO L85 PathProgramCache]: Analyzing trace with hash 13787135, now seen corresponding path program 1 times [2022-11-23 03:37:15,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:37:15,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849463416] [2022-11-23 03:37:15,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:37:15,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:37:15,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:15,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-23 03:37:15,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:15,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:37:15,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:37:15,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849463416] [2022-11-23 03:37:15,458 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849463416] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:37:15,458 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:37:15,458 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 03:37:15,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531095484] [2022-11-23 03:37:15,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:37:15,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 03:37:15,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:37:15,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 03:37:15,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 03:37:15,461 INFO L87 Difference]: Start difference. First operand 77 states and 99 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 03:37:15,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:37:15,484 INFO L93 Difference]: Finished difference Result 146 states and 191 transitions. [2022-11-23 03:37:15,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 03:37:15,485 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-11-23 03:37:15,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:37:15,487 INFO L225 Difference]: With dead ends: 146 [2022-11-23 03:37:15,487 INFO L226 Difference]: Without dead ends: 77 [2022-11-23 03:37:15,488 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 [2022-11-23 03:37:15,490 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 80 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 97 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 [2022-11-23 03:37:15,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 97 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 03:37:15,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-11-23 03:37:15,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2022-11-23 03:37:15,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 58 states have (on average 1.3103448275862069) internal successors, (76), 65 states have internal predecessors, (76), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-23 03:37:15,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 98 transitions. [2022-11-23 03:37:15,505 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 98 transitions. Word has length 30 [2022-11-23 03:37:15,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:37:15,506 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 98 transitions. [2022-11-23 03:37:15,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 03:37:15,506 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 98 transitions. [2022-11-23 03:37:15,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-23 03:37:15,508 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:37:15,508 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] [2022-11-23 03:37:15,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 03:37:15,509 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:37:15,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:37:15,510 INFO L85 PathProgramCache]: Analyzing trace with hash 689914158, now seen corresponding path program 1 times [2022-11-23 03:37:15,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:37:15,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304394184] [2022-11-23 03:37:15,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:37:15,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:37:15,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:15,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-23 03:37:15,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:15,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 03:37:15,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:15,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-23 03:37:15,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:15,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:37:15,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:37:15,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304394184] [2022-11-23 03:37:15,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304394184] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:37:15,708 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:37:15,710 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 03:37:15,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058463287] [2022-11-23 03:37:15,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:37:15,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 03:37:15,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:37:15,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 03:37:15,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 03:37:15,714 INFO L87 Difference]: Start difference. First operand 77 states and 98 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 03:37:16,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:37:16,062 INFO L93 Difference]: Finished difference Result 226 states and 288 transitions. [2022-11-23 03:37:16,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 03:37:16,063 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 40 [2022-11-23 03:37:16,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:37:16,066 INFO L225 Difference]: With dead ends: 226 [2022-11-23 03:37:16,066 INFO L226 Difference]: Without dead ends: 157 [2022-11-23 03:37:16,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-23 03:37:16,069 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 181 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-23 03:37:16,070 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 282 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-23 03:37:16,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2022-11-23 03:37:16,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 151. [2022-11-23 03:37:16,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 114 states have (on average 1.2719298245614035) internal successors, (145), 122 states have internal predecessors, (145), 18 states have call successors, (18), 15 states have call predecessors, (18), 18 states have return successors, (23), 19 states have call predecessors, (23), 18 states have call successors, (23) [2022-11-23 03:37:16,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 186 transitions. [2022-11-23 03:37:16,100 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 186 transitions. Word has length 40 [2022-11-23 03:37:16,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:37:16,101 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 186 transitions. [2022-11-23 03:37:16,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 03:37:16,101 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 186 transitions. [2022-11-23 03:37:16,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-23 03:37:16,103 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:37:16,103 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, 1, 1] [2022-11-23 03:37:16,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 03:37:16,104 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:37:16,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:37:16,105 INFO L85 PathProgramCache]: Analyzing trace with hash 603540022, now seen corresponding path program 1 times [2022-11-23 03:37:16,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:37:16,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132106223] [2022-11-23 03:37:16,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:37:16,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:37:16,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:16,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-23 03:37:16,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:16,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-23 03:37:16,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:16,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-23 03:37:16,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:16,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:37:16,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:37:16,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132106223] [2022-11-23 03:37:16,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132106223] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:37:16,425 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:37:16,425 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 03:37:16,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342241690] [2022-11-23 03:37:16,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:37:16,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 03:37:16,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:37:16,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 03:37:16,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:37:16,433 INFO L87 Difference]: Start difference. First operand 151 states and 186 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-23 03:37:16,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:37:16,802 INFO L93 Difference]: Finished difference Result 306 states and 378 transitions. [2022-11-23 03:37:16,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-23 03:37:16,804 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (4), 3 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 46 [2022-11-23 03:37:16,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:37:16,811 INFO L225 Difference]: With dead ends: 306 [2022-11-23 03:37:16,812 INFO L226 Difference]: Without dead ends: 163 [2022-11-23 03:37:16,813 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2022-11-23 03:37:16,815 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 118 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-23 03:37:16,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 378 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 03:37:16,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2022-11-23 03:37:16,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 149. [2022-11-23 03:37:16,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 112 states have (on average 1.2410714285714286) internal successors, (139), 120 states have internal predecessors, (139), 18 states have call successors, (18), 15 states have call predecessors, (18), 18 states have return successors, (23), 19 states have call predecessors, (23), 18 states have call successors, (23) [2022-11-23 03:37:16,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 180 transitions. [2022-11-23 03:37:16,847 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 180 transitions. Word has length 46 [2022-11-23 03:37:16,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:37:16,848 INFO L495 AbstractCegarLoop]: Abstraction has 149 states and 180 transitions. [2022-11-23 03:37:16,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-23 03:37:16,849 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 180 transitions. [2022-11-23 03:37:16,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-23 03:37:16,851 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:37:16,851 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] [2022-11-23 03:37:16,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 03:37:16,852 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:37:16,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:37:16,853 INFO L85 PathProgramCache]: Analyzing trace with hash -1154968067, now seen corresponding path program 1 times [2022-11-23 03:37:16,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:37:16,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975912882] [2022-11-23 03:37:16,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:37:16,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:37:16,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:16,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-23 03:37:17,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:17,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-23 03:37:17,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:17,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:37:17,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:17,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-23 03:37:17,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:17,073 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-23 03:37:17,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:37:17,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975912882] [2022-11-23 03:37:17,074 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975912882] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:37:17,074 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:37:17,075 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 03:37:17,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308283117] [2022-11-23 03:37:17,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:37:17,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 03:37:17,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:37:17,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 03:37:17,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:37:17,080 INFO L87 Difference]: Start difference. First operand 149 states and 180 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-23 03:37:17,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:37:17,313 INFO L93 Difference]: Finished difference Result 300 states and 369 transitions. [2022-11-23 03:37:17,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 03:37:17,314 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 56 [2022-11-23 03:37:17,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:37:17,317 INFO L225 Difference]: With dead ends: 300 [2022-11-23 03:37:17,317 INFO L226 Difference]: Without dead ends: 159 [2022-11-23 03:37:17,319 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-11-23 03:37:17,326 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 65 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 03:37:17,330 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 348 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 03:37:17,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2022-11-23 03:37:17,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 152. [2022-11-23 03:37:17,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 115 states have (on average 1.2347826086956522) internal successors, (142), 123 states have internal predecessors, (142), 18 states have call successors, (18), 15 states have call predecessors, (18), 18 states have return successors, (23), 19 states have call predecessors, (23), 18 states have call successors, (23) [2022-11-23 03:37:17,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 183 transitions. [2022-11-23 03:37:17,379 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 183 transitions. Word has length 56 [2022-11-23 03:37:17,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:37:17,381 INFO L495 AbstractCegarLoop]: Abstraction has 152 states and 183 transitions. [2022-11-23 03:37:17,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-23 03:37:17,381 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 183 transitions. [2022-11-23 03:37:17,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-23 03:37:17,390 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:37:17,391 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] [2022-11-23 03:37:17,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 03:37:17,391 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:37:17,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:37:17,392 INFO L85 PathProgramCache]: Analyzing trace with hash -453368193, now seen corresponding path program 1 times [2022-11-23 03:37:17,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:37:17,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171551881] [2022-11-23 03:37:17,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:37:17,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:37:17,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:17,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-23 03:37:17,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:17,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-23 03:37:17,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:17,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:37:17,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:17,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-23 03:37:17,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:17,559 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-23 03:37:17,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:37:17,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171551881] [2022-11-23 03:37:17,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171551881] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:37:17,561 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:37:17,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 03:37:17,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138603750] [2022-11-23 03:37:17,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:37:17,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 03:37:17,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:37:17,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 03:37:17,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:37:17,563 INFO L87 Difference]: Start difference. First operand 152 states and 183 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-23 03:37:17,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:37:17,790 INFO L93 Difference]: Finished difference Result 309 states and 379 transitions. [2022-11-23 03:37:17,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 03:37:17,791 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 56 [2022-11-23 03:37:17,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:37:17,793 INFO L225 Difference]: With dead ends: 309 [2022-11-23 03:37:17,793 INFO L226 Difference]: Without dead ends: 165 [2022-11-23 03:37:17,794 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-23 03:37:17,795 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 152 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-23 03:37:17,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 270 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 03:37:17,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2022-11-23 03:37:17,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 154. [2022-11-23 03:37:17,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 117 states have (on average 1.2307692307692308) internal successors, (144), 125 states have internal predecessors, (144), 18 states have call successors, (18), 15 states have call predecessors, (18), 18 states have return successors, (23), 19 states have call predecessors, (23), 18 states have call successors, (23) [2022-11-23 03:37:17,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 185 transitions. [2022-11-23 03:37:17,816 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 185 transitions. Word has length 56 [2022-11-23 03:37:17,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:37:17,816 INFO L495 AbstractCegarLoop]: Abstraction has 154 states and 185 transitions. [2022-11-23 03:37:17,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-23 03:37:17,817 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 185 transitions. [2022-11-23 03:37:17,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-23 03:37:17,818 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:37:17,819 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] [2022-11-23 03:37:17,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-23 03:37:17,819 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:37:17,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:37:17,820 INFO L85 PathProgramCache]: Analyzing trace with hash -525754751, now seen corresponding path program 1 times [2022-11-23 03:37:17,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:37:17,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178759724] [2022-11-23 03:37:17,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:37:17,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:37:17,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:17,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-23 03:37:17,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:17,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-23 03:37:17,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:17,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:37:17,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:17,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-23 03:37:17,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:17,978 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-23 03:37:17,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:37:17,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178759724] [2022-11-23 03:37:17,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178759724] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:37:17,979 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:37:17,979 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 03:37:17,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505765877] [2022-11-23 03:37:17,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:37:17,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 03:37:17,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:37:17,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 03:37:17,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 03:37:17,982 INFO L87 Difference]: Start difference. First operand 154 states and 185 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 4 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-23 03:37:18,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:37:18,304 INFO L93 Difference]: Finished difference Result 414 states and 523 transitions. [2022-11-23 03:37:18,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 03:37:18,305 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 4 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 56 [2022-11-23 03:37:18,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:37:18,307 INFO L225 Difference]: With dead ends: 414 [2022-11-23 03:37:18,308 INFO L226 Difference]: Without dead ends: 268 [2022-11-23 03:37:18,309 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-23 03:37:18,310 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 201 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-23 03:37:18,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 285 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-23 03:37:18,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2022-11-23 03:37:18,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 266. [2022-11-23 03:37:18,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 201 states have (on average 1.2238805970149254) internal successors, (246), 213 states have internal predecessors, (246), 33 states have call successors, (33), 30 states have call predecessors, (33), 31 states have return successors, (48), 33 states have call predecessors, (48), 33 states have call successors, (48) [2022-11-23 03:37:18,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 327 transitions. [2022-11-23 03:37:18,344 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 327 transitions. Word has length 56 [2022-11-23 03:37:18,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:37:18,345 INFO L495 AbstractCegarLoop]: Abstraction has 266 states and 327 transitions. [2022-11-23 03:37:18,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 4 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-23 03:37:18,346 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 327 transitions. [2022-11-23 03:37:18,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-23 03:37:18,347 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:37:18,347 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, 1, 1] [2022-11-23 03:37:18,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-23 03:37:18,348 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:37:18,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:37:18,349 INFO L85 PathProgramCache]: Analyzing trace with hash 1987351067, now seen corresponding path program 1 times [2022-11-23 03:37:18,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:37:18,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976458971] [2022-11-23 03:37:18,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:37:18,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:37:18,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:18,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-23 03:37:18,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:18,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-23 03:37:18,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:18,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-23 03:37:18,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:18,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:37:18,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:18,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-23 03:37:18,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:18,669 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-23 03:37:18,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:37:18,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976458971] [2022-11-23 03:37:18,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976458971] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:37:18,670 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:37:18,670 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-23 03:37:18,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302887624] [2022-11-23 03:37:18,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:37:18,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-23 03:37:18,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:37:18,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-23 03:37:18,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2022-11-23 03:37:18,672 INFO L87 Difference]: Start difference. First operand 266 states and 327 transitions. Second operand has 12 states, 12 states have (on average 3.9166666666666665) internal successors, (47), 7 states have internal predecessors, (47), 2 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 5 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-23 03:37:19,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:37:19,791 INFO L93 Difference]: Finished difference Result 824 states and 1050 transitions. [2022-11-23 03:37:19,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-23 03:37:19,792 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.9166666666666665) internal successors, (47), 7 states have internal predecessors, (47), 2 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 5 states have call predecessors, (5), 2 states have call successors, (5) Word has length 60 [2022-11-23 03:37:19,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:37:19,796 INFO L225 Difference]: With dead ends: 824 [2022-11-23 03:37:19,796 INFO L226 Difference]: Without dead ends: 566 [2022-11-23 03:37:19,798 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 257 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=229, Invalid=961, Unknown=0, NotChecked=0, Total=1190 [2022-11-23 03:37:19,799 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 414 mSDsluCounter, 426 mSDsCounter, 0 mSdLazyCounter, 665 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 422 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-23 03:37:19,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [422 Valid, 492 Invalid, 816 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 665 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-23 03:37:19,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2022-11-23 03:37:19,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 541. [2022-11-23 03:37:19,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 403 states have (on average 1.1910669975186103) internal successors, (480), 431 states have internal predecessors, (480), 72 states have call successors, (72), 58 states have call predecessors, (72), 65 states have return successors, (111), 71 states have call predecessors, (111), 72 states have call successors, (111) [2022-11-23 03:37:19,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 663 transitions. [2022-11-23 03:37:19,873 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 663 transitions. Word has length 60 [2022-11-23 03:37:19,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:37:19,874 INFO L495 AbstractCegarLoop]: Abstraction has 541 states and 663 transitions. [2022-11-23 03:37:19,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.9166666666666665) internal successors, (47), 7 states have internal predecessors, (47), 2 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 5 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-23 03:37:19,875 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 663 transitions. [2022-11-23 03:37:19,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-23 03:37:19,878 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:37:19,878 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:37:19,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-23 03:37:19,879 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:37:19,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:37:19,879 INFO L85 PathProgramCache]: Analyzing trace with hash -431278682, now seen corresponding path program 1 times [2022-11-23 03:37:19,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:37:19,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984194071] [2022-11-23 03:37:19,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:37:19,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:37:19,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:20,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-23 03:37:20,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:20,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-23 03:37:20,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:20,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-23 03:37:20,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:20,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 03:37:20,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:20,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-23 03:37:20,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:20,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:37:20,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:20,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-23 03:37:20,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:20,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-23 03:37:20,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:20,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-23 03:37:20,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:20,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:37:20,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:20,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-23 03:37:20,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:20,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 03:37:20,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:20,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-23 03:37:20,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:20,293 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 18 proven. 13 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-11-23 03:37:20,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:37:20,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984194071] [2022-11-23 03:37:20,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984194071] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 03:37:20,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1207176259] [2022-11-23 03:37:20,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:37:20,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:37:20,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be740e24-32de-4a0f-887a-ef76578a4732/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:37:20,299 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be740e24-32de-4a0f-887a-ef76578a4732/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 03:37:20,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be740e24-32de-4a0f-887a-ef76578a4732/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 03:37:20,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:20,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-23 03:37:20,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:37:20,981 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-23 03:37:20,982 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 03:37:20,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1207176259] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:37:20,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 03:37:20,992 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [17] total 23 [2022-11-23 03:37:20,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233684234] [2022-11-23 03:37:20,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:37:20,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 03:37:20,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:37:20,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 03:37:20,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=454, Unknown=0, NotChecked=0, Total=506 [2022-11-23 03:37:20,995 INFO L87 Difference]: Start difference. First operand 541 states and 663 transitions. Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) [2022-11-23 03:37:21,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:37:21,256 INFO L93 Difference]: Finished difference Result 1076 states and 1321 transitions. [2022-11-23 03:37:21,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 03:37:21,257 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) Word has length 112 [2022-11-23 03:37:21,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:37:21,262 INFO L225 Difference]: With dead ends: 1076 [2022-11-23 03:37:21,262 INFO L226 Difference]: Without dead ends: 543 [2022-11-23 03:37:21,264 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=52, Invalid=454, Unknown=0, NotChecked=0, Total=506 [2022-11-23 03:37:21,268 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 65 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-23 03:37:21,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 559 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 03:37:21,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2022-11-23 03:37:21,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 541. [2022-11-23 03:37:21,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 403 states have (on average 1.1761786600496278) internal successors, (474), 431 states have internal predecessors, (474), 72 states have call successors, (72), 58 states have call predecessors, (72), 65 states have return successors, (100), 71 states have call predecessors, (100), 72 states have call successors, (100) [2022-11-23 03:37:21,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 646 transitions. [2022-11-23 03:37:21,355 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 646 transitions. Word has length 112 [2022-11-23 03:37:21,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:37:21,356 INFO L495 AbstractCegarLoop]: Abstraction has 541 states and 646 transitions. [2022-11-23 03:37:21,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) [2022-11-23 03:37:21,357 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 646 transitions. [2022-11-23 03:37:21,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-11-23 03:37:21,360 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:37:21,360 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:37:21,377 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be740e24-32de-4a0f-887a-ef76578a4732/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 03:37:21,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be740e24-32de-4a0f-887a-ef76578a4732/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-23 03:37:21,568 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:37:21,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:37:21,569 INFO L85 PathProgramCache]: Analyzing trace with hash 255377162, now seen corresponding path program 1 times [2022-11-23 03:37:21,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:37:21,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360555623] [2022-11-23 03:37:21,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:37:21,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:37:21,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:21,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-23 03:37:21,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:21,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-23 03:37:21,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:21,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-23 03:37:21,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:21,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-23 03:37:21,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:21,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:37:21,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:21,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-23 03:37:21,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:21,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-23 03:37:21,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:21,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-23 03:37:21,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:21,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:37:21,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:21,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-23 03:37:21,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:21,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 03:37:21,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:21,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-23 03:37:21,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:21,944 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 14 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-23 03:37:21,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:37:21,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360555623] [2022-11-23 03:37:21,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360555623] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 03:37:21,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1845904200] [2022-11-23 03:37:21,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:37:21,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 03:37:21,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be740e24-32de-4a0f-887a-ef76578a4732/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:37:21,947 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be740e24-32de-4a0f-887a-ef76578a4732/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 03:37:21,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be740e24-32de-4a0f-887a-ef76578a4732/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 03:37:22,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:37:22,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-23 03:37:22,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 03:37:22,309 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-23 03:37:22,310 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 03:37:22,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1845904200] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:37:22,310 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 03:37:22,310 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [14] total 19 [2022-11-23 03:37:22,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953203858] [2022-11-23 03:37:22,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:37:22,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 03:37:22,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:37:22,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 03:37:22,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2022-11-23 03:37:22,313 INFO L87 Difference]: Start difference. First operand 541 states and 646 transitions. Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) [2022-11-23 03:37:22,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:37:22,554 INFO L93 Difference]: Finished difference Result 925 states and 1116 transitions. [2022-11-23 03:37:22,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 03:37:22,555 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) Word has length 108 [2022-11-23 03:37:22,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:37:22,557 INFO L225 Difference]: With dead ends: 925 [2022-11-23 03:37:22,557 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 03:37:22,559 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=360, Unknown=0, NotChecked=0, Total=420 [2022-11-23 03:37:22,561 INFO L413 NwaCegarLoop]: 172 mSDtfsCounter, 70 mSDsluCounter, 855 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 1027 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 03:37:22,561 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 1027 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 03:37:22,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 03:37:22,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 03:37:22,562 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) [2022-11-23 03:37:22,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 03:37:22,563 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 108 [2022-11-23 03:37:22,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:37:22,563 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 03:37:22,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) [2022-11-23 03:37:22,564 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 03:37:22,564 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 03:37:22,567 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-23 03:37:22,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be740e24-32de-4a0f-887a-ef76578a4732/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 03:37:22,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be740e24-32de-4a0f-887a-ef76578a4732/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-23 03:37:22,777 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-23 03:37:26,310 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 566 572) no Hoare annotation was computed. [2022-11-23 03:37:26,311 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 566 572) the Hoare annotation is: true [2022-11-23 03:37:26,311 INFO L899 garLoopResultBuilder]: For program point L830-1(lines 826 837) no Hoare annotation was computed. [2022-11-23 03:37:26,312 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 826 837) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~methaneLevelCritical~0)| 0)) (= ~methaneLevelCritical~0 0) .cse0) (or (<= 1 ~methaneLevelCritical~0) (not (= ~pumpRunning~0 0)) .cse0 (not (<= 1 |old(~methaneLevelCritical~0)|))))) [2022-11-23 03:37:26,312 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 826 837) no Hoare annotation was computed. [2022-11-23 03:37:26,312 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 838 846) the Hoare annotation is: true [2022-11-23 03:37:26,312 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 838 846) no Hoare annotation was computed. [2022-11-23 03:37:26,312 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 838 846) no Hoare annotation was computed. [2022-11-23 03:37:26,313 INFO L895 garLoopResultBuilder]: At program point L944(line 944) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (and .cse1 .cse2 .cse3) (and (<= 1 |timeShift_processEnvironment_~tmp~5#1|) .cse4 .cse2)) (or (and .cse2 .cse3) .cse0 (and .cse1 .cse4) (and .cse4 .cse2) (not (= ~methaneLevelCritical~0 0)) (and (<= 2 ~waterLevel~0) .cse3)))) [2022-11-23 03:37:26,313 INFO L895 garLoopResultBuilder]: At program point L655(lines 650 657) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 0))) (and (or (and (<= 1 |timeShift_processEnvironment_~tmp~5#1|) .cse0) .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse1 (and .cse3 .cse0) (not (= ~methaneLevelCritical~0 0))))) [2022-11-23 03:37:26,313 INFO L899 garLoopResultBuilder]: For program point L944-1(line 944) no Hoare annotation was computed. [2022-11-23 03:37:26,314 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 542 565) no Hoare annotation was computed. [2022-11-23 03:37:26,314 INFO L895 garLoopResultBuilder]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or .cse0 (not (<= 1 ~methaneLevelCritical~0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-11-23 03:37:26,314 INFO L899 garLoopResultBuilder]: For program point L420(line 420) no Hoare annotation was computed. [2022-11-23 03:37:26,314 INFO L895 garLoopResultBuilder]: At program point L606(line 606) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (not (<= 1 ~methaneLevelCritical~0)) (and .cse0 .cse3)) (or .cse3 .cse1 .cse2))) [2022-11-23 03:37:26,315 INFO L899 garLoopResultBuilder]: For program point L606-1(line 606) no Hoare annotation was computed. [2022-11-23 03:37:26,315 INFO L895 garLoopResultBuilder]: At program point L619(line 619) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2022-11-23 03:37:26,315 INFO L895 garLoopResultBuilder]: At program point L619-1(lines 600 624) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (and .cse1 .cse2 .cse3) (and (<= 1 |timeShift_processEnvironment_~tmp~5#1|) .cse4 .cse2)) (or (and .cse2 .cse3) .cse0 (and .cse1 .cse4) (and .cse4 .cse2) (not (= ~methaneLevelCritical~0 0)) (and (<= 2 ~waterLevel~0) .cse3)))) [2022-11-23 03:37:26,315 INFO L899 garLoopResultBuilder]: For program point L553-1(lines 553 559) no Hoare annotation was computed. [2022-11-23 03:37:26,316 INFO L895 garLoopResultBuilder]: At program point L421(lines 416 423) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0))) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2022-11-23 03:37:26,316 INFO L899 garLoopResultBuilder]: For program point L950(lines 950 960) no Hoare annotation was computed. [2022-11-23 03:37:26,316 INFO L899 garLoopResultBuilder]: For program point L946(lines 946 963) no Hoare annotation was computed. [2022-11-23 03:37:26,316 INFO L895 garLoopResultBuilder]: At program point L946-1(lines 938 966) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (= ~pumpRunning~0 0))) (and (let ((.cse3 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~9#1| 0))) (or .cse0 (and .cse1 .cse2 .cse3) (not (= ~methaneLevelCritical~0 0)) (and .cse2 .cse4 .cse3) (and (<= 2 ~waterLevel~0) .cse3 .cse5) (and .cse1 .cse4 .cse3 .cse5))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (and .cse1 .cse4 .cse5) (and (<= 1 |timeShift_processEnvironment_~tmp~5#1|) .cse2 .cse4)))) [2022-11-23 03:37:26,317 INFO L899 garLoopResultBuilder]: For program point L806(lines 806 810) no Hoare annotation was computed. [2022-11-23 03:37:26,317 INFO L895 garLoopResultBuilder]: At program point L806-2(lines 802 813) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (not (<= 1 ~methaneLevelCritical~0)) (and .cse0 .cse3)) (or .cse3 .cse1 .cse2))) [2022-11-23 03:37:26,317 INFO L895 garLoopResultBuilder]: At program point L674(lines 669 677) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |timeShift_isPumpRunning_#res#1| 0))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (and (<= 1 |timeShift_processEnvironment_~tmp~5#1|) (not (= |old(~pumpRunning~0)| 0)) .cse1 .cse2) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2 (= |old(~waterLevel~0)| ~waterLevel~0)))) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2022-11-23 03:37:26,318 INFO L899 garLoopResultBuilder]: For program point L546-1(lines 545 564) no Hoare annotation was computed. [2022-11-23 03:37:26,318 INFO L899 garLoopResultBuilder]: For program point L608(lines 608 616) no Hoare annotation was computed. [2022-11-23 03:37:26,318 INFO L899 garLoopResultBuilder]: For program point L604(lines 604 621) no Hoare annotation was computed. [2022-11-23 03:37:26,318 INFO L899 garLoopResultBuilder]: For program point L951(lines 951 957) no Hoare annotation was computed. [2022-11-23 03:37:26,319 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 542 565) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2022-11-23 03:37:26,319 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 542 565) no Hoare annotation was computed. [2022-11-23 03:37:26,319 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 420) no Hoare annotation was computed. [2022-11-23 03:37:26,319 INFO L899 garLoopResultBuilder]: For program point L448(line 448) no Hoare annotation was computed. [2022-11-23 03:37:26,319 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 427 456) no Hoare annotation was computed. [2022-11-23 03:37:26,320 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 427 456) the Hoare annotation is: true [2022-11-23 03:37:26,320 INFO L899 garLoopResultBuilder]: For program point L441(lines 441 445) no Hoare annotation was computed. [2022-11-23 03:37:26,320 INFO L902 garLoopResultBuilder]: At program point L441-1(lines 441 445) the Hoare annotation is: true [2022-11-23 03:37:26,320 INFO L899 garLoopResultBuilder]: For program point L438(line 438) no Hoare annotation was computed. [2022-11-23 03:37:26,320 INFO L902 garLoopResultBuilder]: At program point L437-2(lines 437 451) the Hoare annotation is: true [2022-11-23 03:37:26,320 INFO L902 garLoopResultBuilder]: At program point L433(line 433) the Hoare annotation is: true [2022-11-23 03:37:26,321 INFO L899 garLoopResultBuilder]: For program point L433-1(line 433) no Hoare annotation was computed. [2022-11-23 03:37:26,321 INFO L902 garLoopResultBuilder]: At program point L452(lines 427 456) the Hoare annotation is: true [2022-11-23 03:37:26,321 INFO L895 garLoopResultBuilder]: At program point L766(line 766) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~methaneLevelCritical~0 0) .cse0 .cse1) (and (= ~pumpRunning~0 0) (<= 1 ~methaneLevelCritical~0) .cse0 .cse1))) [2022-11-23 03:37:26,321 INFO L895 garLoopResultBuilder]: At program point L787(lines 744 789) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~methaneLevelCritical~0 0) .cse0 .cse1) (and (= ~pumpRunning~0 0) (<= 1 ~methaneLevelCritical~0) .cse0 .cse1))) [2022-11-23 03:37:26,322 INFO L899 garLoopResultBuilder]: For program point L754(lines 754 760) no Hoare annotation was computed. [2022-11-23 03:37:26,322 INFO L899 garLoopResultBuilder]: For program point L754-1(lines 754 760) no Hoare annotation was computed. [2022-11-23 03:37:26,322 INFO L899 garLoopResultBuilder]: For program point L746(lines 746 750) no Hoare annotation was computed. [2022-11-23 03:37:26,322 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-23 03:37:26,322 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-23 03:37:26,322 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-23 03:37:26,323 INFO L895 garLoopResultBuilder]: At program point L924(lines 919 927) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-23 03:37:26,323 INFO L895 garLoopResultBuilder]: At program point L916(lines 912 918) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-23 03:37:26,323 INFO L899 garLoopResultBuilder]: For program point L780(lines 780 784) no Hoare annotation was computed. [2022-11-23 03:37:26,323 INFO L895 garLoopResultBuilder]: At program point L780-2(lines 774 785) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (<= 1 ~methaneLevelCritical~0) .cse0 .cse1) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1))) [2022-11-23 03:37:26,323 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-23 03:37:26,324 INFO L899 garLoopResultBuilder]: For program point L764(lines 764 770) no Hoare annotation was computed. [2022-11-23 03:37:26,324 INFO L899 garLoopResultBuilder]: For program point L764-1(lines 764 770) no Hoare annotation was computed. [2022-11-23 03:37:26,324 INFO L902 garLoopResultBuilder]: At program point L793(lines 734 797) the Hoare annotation is: true [2022-11-23 03:37:26,324 INFO L895 garLoopResultBuilder]: At program point L756(line 756) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~methaneLevelCritical~0 0) .cse0 .cse1) (and (= ~pumpRunning~0 0) (<= 1 ~methaneLevelCritical~0) .cse0 .cse1))) [2022-11-23 03:37:26,324 INFO L895 garLoopResultBuilder]: At program point L909(lines 905 911) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-23 03:37:26,325 INFO L895 garLoopResultBuilder]: At program point L488(lines 484 490) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-23 03:37:26,325 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 524) no Hoare annotation was computed. [2022-11-23 03:37:26,325 INFO L899 garLoopResultBuilder]: For program point L517-2(lines 517 524) no Hoare annotation was computed. [2022-11-23 03:37:26,325 INFO L895 garLoopResultBuilder]: At program point L790(lines 743 791) the Hoare annotation is: false [2022-11-23 03:37:26,325 INFO L902 garLoopResultBuilder]: At program point L501(lines 493 503) the Hoare annotation is: true [2022-11-23 03:37:26,326 INFO L902 garLoopResultBuilder]: At program point L526(lines 507 529) the Hoare annotation is: true [2022-11-23 03:37:26,326 INFO L899 garLoopResultBuilder]: For program point L745(lines 744 789) no Hoare annotation was computed. [2022-11-23 03:37:26,326 INFO L895 garLoopResultBuilder]: At program point L935(lines 930 937) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-23 03:37:26,326 INFO L899 garLoopResultBuilder]: For program point L774(lines 774 785) no Hoare annotation was computed. [2022-11-23 03:37:26,326 INFO L899 garLoopResultBuilder]: For program point L818-1(lines 814 825) no Hoare annotation was computed. [2022-11-23 03:37:26,327 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 814 825) no Hoare annotation was computed. [2022-11-23 03:37:26,327 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 814 825) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= ~pumpRunning~0 0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2022-11-23 03:37:26,327 INFO L899 garLoopResultBuilder]: For program point L640(lines 640 646) no Hoare annotation was computed. [2022-11-23 03:37:26,327 INFO L895 garLoopResultBuilder]: At program point L638(line 638) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (<= 2 ~waterLevel~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) (and .cse1 .cse2)) (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2) (not (= ~methaneLevelCritical~0 0))))) [2022-11-23 03:37:26,328 INFO L895 garLoopResultBuilder]: At program point L640-2(lines 633 649) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| 0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (<= 2 ~waterLevel~0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not .cse1) .cse0 (not (<= 1 ~methaneLevelCritical~0)) (and (= ~pumpRunning~0 0) .cse3 (= |processEnvironment__wrappee__methaneQuery_activatePump_~tmp~6#1| ~methaneLevelCritical~0))) (or .cse0 .cse3 .cse2))) [2022-11-23 03:37:26,328 INFO L899 garLoopResultBuilder]: For program point L638-1(line 638) no Hoare annotation was computed. [2022-11-23 03:37:26,328 INFO L895 garLoopResultBuilder]: At program point L729(lines 714 732) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= ~pumpRunning~0 0)) (.cse5 (= 1 ~systemActive~0))) (let ((.cse0 (not .cse5)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (and .cse4 .cse1 (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp___0~0#1| 0) .cse5 (not (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp~7#1| 0)) (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1| 0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) (and .cse1 .cse2) .cse3) (or .cse0 (and .cse4 .cse1 .cse2) (not (= ~methaneLevelCritical~0 0)) .cse3)))) [2022-11-23 03:37:26,329 INFO L895 garLoopResultBuilder]: At program point L888(lines 879 892) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0))) (let ((.cse1 (= |old(~pumpRunning~0)| 0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (and .cse5 (<= 2 ~waterLevel~0))) (.cse4 (and .cse5 (not (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| 0))))) (and (or .cse0 .cse1 .cse2) (or (not .cse1) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse3 .cse4) (or .cse0 .cse2 .cse3 .cse4)))) [2022-11-23 03:37:26,329 INFO L895 garLoopResultBuilder]: At program point L630(lines 625 632) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| 0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not .cse1) .cse0 (not (<= 1 ~methaneLevelCritical~0))) (or .cse0 (<= 2 ~waterLevel~0) .cse2))) [2022-11-23 03:37:26,329 INFO L899 garLoopResultBuilder]: For program point L723(lines 723 727) no Hoare annotation was computed. [2022-11-23 03:37:26,329 INFO L899 garLoopResultBuilder]: For program point L723-2(lines 723 727) no Hoare annotation was computed. [2022-11-23 03:37:26,329 INFO L895 garLoopResultBuilder]: At program point L593(line 593) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or .cse2 .cse0 (not (<= 1 ~methaneLevelCritical~0))) (or .cse2 .cse0 .cse1))) [2022-11-23 03:37:26,330 INFO L899 garLoopResultBuilder]: For program point L593-1(lines 574 598) no Hoare annotation was computed. [2022-11-23 03:37:26,330 INFO L899 garLoopResultBuilder]: For program point L883(lines 883 889) no Hoare annotation was computed. [2022-11-23 03:37:26,330 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 574 598) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (not (<= 1 ~methaneLevelCritical~0))))) [2022-11-23 03:37:26,330 INFO L895 garLoopResultBuilder]: At program point L588(line 588) the Hoare annotation is: (let ((.cse2 (= 1 ~systemActive~0))) (let ((.cse0 (not .cse2)) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0) .cse2 (= |processEnvironment__wrappee__methaneQuery_~tmp~4#1| 0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1)))) [2022-11-23 03:37:26,331 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 574 598) no Hoare annotation was computed. [2022-11-23 03:37:26,331 INFO L899 garLoopResultBuilder]: For program point L582(lines 582 590) no Hoare annotation was computed. [2022-11-23 03:37:26,331 INFO L899 garLoopResultBuilder]: For program point L578(lines 578 595) no Hoare annotation was computed. [2022-11-23 03:37:26,331 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 658 668) the Hoare annotation is: true [2022-11-23 03:37:26,331 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 658 668) no Hoare annotation was computed. [2022-11-23 03:37:26,332 INFO L902 garLoopResultBuilder]: At program point L663(line 663) the Hoare annotation is: true [2022-11-23 03:37:26,332 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 658 668) no Hoare annotation was computed. [2022-11-23 03:37:26,332 INFO L899 garLoopResultBuilder]: For program point L663-1(line 663) no Hoare annotation was computed. [2022-11-23 03:37:26,336 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:37:26,339 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 03:37:26,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:37:26 BoogieIcfgContainer [2022-11-23 03:37:26,367 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 03:37:26,368 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 03:37:26,368 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 03:37:26,368 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 03:37:26,369 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:37:14" (3/4) ... [2022-11-23 03:37:26,373 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 03:37:26,381 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-23 03:37:26,381 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-23 03:37:26,381 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-23 03:37:26,381 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-23 03:37:26,381 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-23 03:37:26,382 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-23 03:37:26,382 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-11-23 03:37:26,382 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-11-23 03:37:26,390 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-23 03:37:26,391 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-23 03:37:26,391 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-23 03:37:26,392 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 03:37:26,392 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 03:37:26,424 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && ((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && !(\old(pumpRunning) == 0)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) [2022-11-23 03:37:26,425 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \old(waterLevel) == waterLevel)) || ((1 <= tmp && !(\old(pumpRunning) == 0)) && pumpRunning == 0)) && ((((((pumpRunning == 0 && \old(waterLevel) == waterLevel) || !(1 == systemActive)) || (pumpRunning == \old(pumpRunning) && !(\old(pumpRunning) == 0))) || (!(\old(pumpRunning) == 0) && pumpRunning == 0)) || !(methaneLevelCritical == 0)) || (2 <= waterLevel && \old(waterLevel) == waterLevel)) [2022-11-23 03:37:26,426 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && !(\old(pumpRunning) == 0)) && tmp == 0)) || !(methaneLevelCritical == 0)) || ((!(\old(pumpRunning) == 0) && pumpRunning == 0) && tmp == 0)) || ((2 <= waterLevel && tmp == 0) && \old(waterLevel) == waterLevel)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp == 0) && \old(waterLevel) == waterLevel)) && (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \old(waterLevel) == waterLevel)) || ((1 <= tmp && !(\old(pumpRunning) == 0)) && pumpRunning == 0)) [2022-11-23 03:37:26,426 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 <= tmp && pumpRunning == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(1 == systemActive) || (!(\old(pumpRunning) == 0) && pumpRunning == 0)) || !(methaneLevelCritical == 0)) [2022-11-23 03:37:26,427 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || (((1 <= tmp && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && \result == 0)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \result == 0) && \old(waterLevel) == waterLevel)) && (!(1 == systemActive) || !(methaneLevelCritical == 0)) [2022-11-23 03:37:26,427 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && 2 <= waterLevel) && tmp == methaneLevelCritical))) && ((!(1 == systemActive) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) [2022-11-23 03:37:26,427 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(1 == systemActive) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) [2022-11-23 03:37:26,428 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || (pumpRunning == 0 && !(\result == 0)))) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel)) || (pumpRunning == 0 && !(\result == 0))) [2022-11-23 03:37:26,428 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && 1 == systemActive) && !(tmp == 0)) && \result == 0)) && (((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel)) || !(methaneLevelCritical == 0)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && 1 == systemActive) && !(tmp == 0)) && \result == 0)) [2022-11-23 03:37:26,454 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be740e24-32de-4a0f-887a-ef76578a4732/bin/uautomizer-QkZJyEgLgS/witness.graphml [2022-11-23 03:37:26,454 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 03:37:26,455 INFO L158 Benchmark]: Toolchain (without parser) took 13769.77ms. Allocated memory was 144.7MB in the beginning and 234.9MB in the end (delta: 90.2MB). Free memory was 114.1MB in the beginning and 99.0MB in the end (delta: 15.1MB). Peak memory consumption was 106.4MB. Max. memory is 16.1GB. [2022-11-23 03:37:26,455 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 104.9MB. Free memory was 55.9MB in the beginning and 55.7MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 03:37:26,456 INFO L158 Benchmark]: CACSL2BoogieTranslator took 545.31ms. Allocated memory is still 144.7MB. Free memory was 114.1MB in the beginning and 95.3MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-23 03:37:26,456 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.77ms. Allocated memory is still 144.7MB. Free memory was 95.3MB in the beginning and 93.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 03:37:26,457 INFO L158 Benchmark]: Boogie Preprocessor took 80.17ms. Allocated memory is still 144.7MB. Free memory was 93.3MB in the beginning and 91.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 03:37:26,457 INFO L158 Benchmark]: RCFGBuilder took 821.02ms. Allocated memory is still 144.7MB. Free memory was 91.7MB in the beginning and 74.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-23 03:37:26,457 INFO L158 Benchmark]: TraceAbstraction took 12150.55ms. Allocated memory was 144.7MB in the beginning and 234.9MB in the end (delta: 90.2MB). Free memory was 74.4MB in the beginning and 104.3MB in the end (delta: -29.9MB). Peak memory consumption was 98.0MB. Max. memory is 16.1GB. [2022-11-23 03:37:26,458 INFO L158 Benchmark]: Witness Printer took 86.56ms. Allocated memory is still 234.9MB. Free memory was 104.3MB in the beginning and 99.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 03:37:26,460 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 104.9MB. Free memory was 55.9MB in the beginning and 55.7MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 545.31ms. Allocated memory is still 144.7MB. Free memory was 114.1MB in the beginning and 95.3MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.77ms. Allocated memory is still 144.7MB. Free memory was 95.3MB in the beginning and 93.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.17ms. Allocated memory is still 144.7MB. Free memory was 93.3MB in the beginning and 91.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 821.02ms. Allocated memory is still 144.7MB. Free memory was 91.7MB in the beginning and 74.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 12150.55ms. Allocated memory was 144.7MB in the beginning and 234.9MB in the end (delta: 90.2MB). Free memory was 74.4MB in the beginning and 104.3MB in the end (delta: -29.9MB). Peak memory consumption was 98.0MB. Max. memory is 16.1GB. * Witness Printer took 86.56ms. Allocated memory is still 234.9MB. Free memory was 104.3MB in the beginning and 99.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. 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: 420]: 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 9 procedures, 95 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.0s, OverallIterations: 11, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1401 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1358 mSDsluCounter, 4038 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2816 mSDsCounter, 374 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1655 IncrementalHoareTripleChecker+Invalid, 2029 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 374 mSolverCounterUnsat, 1222 mSDtfsCounter, 1655 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 436 GetRequests, 324 SyntacticMatches, 0 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 363 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=541occurred in iteration=9, InterpolantAutomatonStates: 92, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 67 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 1207 PreInvPairs, 1403 NumberOfFragments, 1147 HoareAnnotationTreeSize, 1207 FomulaSimplifications, 58 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 43 FomulaSimplificationsInter, 8173 FormulaSimplificationTreeSizeReductionInter, 3.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 835 NumberOfCodeBlocks, 835 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 822 ConstructedInterpolants, 0 QuantifiedInterpolants, 1533 SizeOfPredicates, 6 NumberOfNonLiveVariables, 726 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 171/196 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: 669]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || (((1 <= tmp && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && \result == 0)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \result == 0) && \old(waterLevel) == waterLevel)) && (!(1 == systemActive) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && !(\old(pumpRunning) == 0)) && tmp == 0)) || !(methaneLevelCritical == 0)) || ((!(\old(pumpRunning) == 0) && pumpRunning == 0) && tmp == 0)) || ((2 <= waterLevel && tmp == 0) && \old(waterLevel) == waterLevel)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp == 0) && \old(waterLevel) == waterLevel)) && (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \old(waterLevel) == waterLevel)) || ((1 <= tmp && !(\old(pumpRunning) == 0)) && pumpRunning == 0)) - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0 && 1 == systemActive) && splverifierCounter == 0) || (((pumpRunning == 0 && 1 <= methaneLevelCritical) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && 2 <= waterLevel) && tmp == methaneLevelCritical))) && ((!(1 == systemActive) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: ((((1 <= tmp && pumpRunning == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(1 == systemActive) || (!(\old(pumpRunning) == 0) && pumpRunning == 0)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 734]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: (((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && ((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && !(\old(pumpRunning) == 0)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \old(waterLevel) == waterLevel)) || ((1 <= tmp && !(\old(pumpRunning) == 0)) && pumpRunning == 0)) && ((((((pumpRunning == 0 && \old(waterLevel) == waterLevel) || !(1 == systemActive)) || (pumpRunning == \old(pumpRunning) && !(\old(pumpRunning) == 0))) || (!(\old(pumpRunning) == 0) && pumpRunning == 0)) || !(methaneLevelCritical == 0)) || (2 <= waterLevel && \old(waterLevel) == waterLevel)) - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && 1 == systemActive) && !(tmp == 0)) && \result == 0)) && (((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel)) || !(methaneLevelCritical == 0)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && 1 == systemActive) && !(tmp == 0)) && \result == 0)) - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 625]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(1 == systemActive) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 912]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 484]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: (!(1 == systemActive) || !(1 <= methaneLevelCritical)) && (!(1 == systemActive) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || (pumpRunning == 0 && !(\result == 0)))) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel)) || (pumpRunning == 0 && !(\result == 0))) RESULT: Ultimate proved your program to be correct! [2022-11-23 03:37:26,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be740e24-32de-4a0f-887a-ef76578a4732/bin/uautomizer-QkZJyEgLgS/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