./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a 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_dfea44eb-7623-48d7-8fea-1362d0f89b4a/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfea44eb-7623-48d7-8fea-1362d0f89b4a/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfea44eb-7623-48d7-8fea-1362d0f89b4a/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfea44eb-7623-48d7-8fea-1362d0f89b4a/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfea44eb-7623-48d7-8fea-1362d0f89b4a/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfea44eb-7623-48d7-8fea-1362d0f89b4a/bin/uautomizer-Dbtcem3rbc --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 0cfed743c16ce3c8683c42b92f2e032d4ce7b489a9d3a5e140ec6101c472b3cb --- 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-5e519f3 [2022-11-02 21:06:56,305 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 21:06:56,307 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 21:06:56,332 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 21:06:56,333 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 21:06:56,334 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 21:06:56,336 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 21:06:56,338 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 21:06:56,340 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 21:06:56,341 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 21:06:56,342 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 21:06:56,343 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 21:06:56,344 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 21:06:56,345 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 21:06:56,346 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 21:06:56,348 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 21:06:56,349 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 21:06:56,350 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 21:06:56,351 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 21:06:56,353 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 21:06:56,355 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 21:06:56,356 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 21:06:56,357 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 21:06:56,358 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 21:06:56,362 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 21:06:56,363 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 21:06:56,363 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 21:06:56,364 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 21:06:56,365 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 21:06:56,366 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 21:06:56,366 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 21:06:56,367 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 21:06:56,368 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 21:06:56,369 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 21:06:56,371 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 21:06:56,371 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 21:06:56,372 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 21:06:56,372 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 21:06:56,373 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 21:06:56,374 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 21:06:56,374 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 21:06:56,376 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfea44eb-7623-48d7-8fea-1362d0f89b4a/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-02 21:06:56,397 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 21:06:56,398 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 21:06:56,398 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 21:06:56,398 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 21:06:56,399 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 21:06:56,399 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 21:06:56,400 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 21:06:56,401 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 21:06:56,401 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 21:06:56,401 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 21:06:56,401 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 21:06:56,402 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 21:06:56,402 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 21:06:56,402 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 21:06:56,403 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 21:06:56,403 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 21:06:56,403 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 21:06:56,403 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 21:06:56,404 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 21:06:56,404 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 21:06:56,404 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 21:06:56,405 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 21:06:56,405 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 21:06:56,405 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 21:06:56,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:06:56,406 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 21:06:56,406 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 21:06:56,406 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 21:06:56,407 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 21:06:56,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 21:06:56,407 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 21:06:56,408 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 21:06:56,408 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 21:06:56,408 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfea44eb-7623-48d7-8fea-1362d0f89b4a/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfea44eb-7623-48d7-8fea-1362d0f89b4a/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cfed743c16ce3c8683c42b92f2e032d4ce7b489a9d3a5e140ec6101c472b3cb [2022-11-02 21:06:56,689 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 21:06:56,711 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 21:06:56,714 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 21:06:56,715 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 21:06:56,716 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 21:06:56,718 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfea44eb-7623-48d7-8fea-1362d0f89b4a/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c [2022-11-02 21:06:56,785 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfea44eb-7623-48d7-8fea-1362d0f89b4a/bin/uautomizer-Dbtcem3rbc/data/fbf64dc91/2c8716207dc3486d8dcc792d5905abd5/FLAGe95ec4933 [2022-11-02 21:06:57,357 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 21:06:57,373 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfea44eb-7623-48d7-8fea-1362d0f89b4a/sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c [2022-11-02 21:06:57,388 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfea44eb-7623-48d7-8fea-1362d0f89b4a/bin/uautomizer-Dbtcem3rbc/data/fbf64dc91/2c8716207dc3486d8dcc792d5905abd5/FLAGe95ec4933 [2022-11-02 21:06:57,699 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfea44eb-7623-48d7-8fea-1362d0f89b4a/bin/uautomizer-Dbtcem3rbc/data/fbf64dc91/2c8716207dc3486d8dcc792d5905abd5 [2022-11-02 21:06:57,703 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 21:06:57,705 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 21:06:57,710 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 21:06:57,710 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 21:06:57,714 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 21:06:57,715 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:06:57" (1/1) ... [2022-11-02 21:06:57,717 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10bca78c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:06:57, skipping insertion in model container [2022-11-02 21:06:57,718 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:06:57" (1/1) ... [2022-11-02 21:06:57,725 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 21:06:57,786 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 21:06:58,206 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfea44eb-7623-48d7-8fea-1362d0f89b4a/sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c[17978,17991] [2022-11-02 21:06:58,213 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:06:58,222 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 21:06:58,288 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfea44eb-7623-48d7-8fea-1362d0f89b4a/sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c[17978,17991] [2022-11-02 21:06:58,289 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:06:58,305 INFO L208 MainTranslator]: Completed translation [2022-11-02 21:06:58,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:06:58 WrapperNode [2022-11-02 21:06:58,306 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 21:06:58,307 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 21:06:58,307 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 21:06:58,307 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 21:06:58,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:06:58" (1/1) ... [2022-11-02 21:06:58,331 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:06:58" (1/1) ... [2022-11-02 21:06:58,356 INFO L138 Inliner]: procedures = 53, calls = 152, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 246 [2022-11-02 21:06:58,361 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 21:06:58,361 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 21:06:58,362 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 21:06:58,362 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 21:06:58,370 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:06:58" (1/1) ... [2022-11-02 21:06:58,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:06:58" (1/1) ... [2022-11-02 21:06:58,373 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:06:58" (1/1) ... [2022-11-02 21:06:58,373 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:06:58" (1/1) ... [2022-11-02 21:06:58,380 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:06:58" (1/1) ... [2022-11-02 21:06:58,385 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:06:58" (1/1) ... [2022-11-02 21:06:58,387 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:06:58" (1/1) ... [2022-11-02 21:06:58,388 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:06:58" (1/1) ... [2022-11-02 21:06:58,391 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 21:06:58,392 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 21:06:58,392 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 21:06:58,392 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 21:06:58,393 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:06:58" (1/1) ... [2022-11-02 21:06:58,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:06:58,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfea44eb-7623-48d7-8fea-1362d0f89b4a/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:06:58,444 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfea44eb-7623-48d7-8fea-1362d0f89b4a/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 21:06:58,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfea44eb-7623-48d7-8fea-1362d0f89b4a/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 21:06:58,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 21:06:58,506 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-02 21:06:58,506 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-02 21:06:58,506 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-02 21:06:58,506 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-02 21:06:58,507 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-02 21:06:58,507 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-02 21:06:58,509 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-02 21:06:58,509 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-02 21:06:58,510 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-02 21:06:58,510 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-02 21:06:58,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 21:06:58,510 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-02 21:06:58,510 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-02 21:06:58,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 21:06:58,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 21:06:58,621 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 21:06:58,623 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 21:06:59,079 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 21:06:59,086 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 21:06:59,087 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-02 21:06:59,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:06:59 BoogieIcfgContainer [2022-11-02 21:06:59,094 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 21:06:59,097 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 21:06:59,097 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 21:06:59,100 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 21:06:59,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 09:06:57" (1/3) ... [2022-11-02 21:06:59,102 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44f397c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:06:59, skipping insertion in model container [2022-11-02 21:06:59,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:06:58" (2/3) ... [2022-11-02 21:06:59,102 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44f397c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:06:59, skipping insertion in model container [2022-11-02 21:06:59,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:06:59" (3/3) ... [2022-11-02 21:06:59,105 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product41.cil.c [2022-11-02 21:06:59,125 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 21:06:59,125 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 21:06:59,198 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 21:06:59,210 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;@2dbf1920, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 21:06:59,210 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 21:06:59,216 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 63 states have (on average 1.3968253968253967) internal successors, (88), 69 states have internal predecessors, (88), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-02 21:06:59,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-02 21:06:59,227 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:06:59,228 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] [2022-11-02 21:06:59,229 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:06:59,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:06:59,237 INFO L85 PathProgramCache]: Analyzing trace with hash -310918915, now seen corresponding path program 1 times [2022-11-02 21:06:59,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:06:59,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406836426] [2022-11-02 21:06:59,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:06:59,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:06:59,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:59,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:06:59,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:59,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:06:59,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:06:59,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406836426] [2022-11-02 21:06:59,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406836426] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:06:59,601 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:06:59,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:06:59,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085688239] [2022-11-02 21:06:59,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:06:59,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-02 21:06:59,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:06:59,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-02 21:06:59,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 21:06:59,655 INFO L87 Difference]: Start difference. First operand has 81 states, 63 states have (on average 1.3968253968253967) internal successors, (88), 69 states have internal predecessors, (88), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 21:06:59,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:06:59,711 INFO L93 Difference]: Finished difference Result 154 states and 211 transitions. [2022-11-02 21:06:59,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-02 21:06:59,714 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 [2022-11-02 21:06:59,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:06:59,727 INFO L225 Difference]: With dead ends: 154 [2022-11-02 21:06:59,727 INFO L226 Difference]: Without dead ends: 72 [2022-11-02 21:06:59,732 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 [2022-11-02 21:06:59,736 INFO L413 NwaCegarLoop]: 102 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, 102 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 [2022-11-02 21:06:59,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 21:06:59,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2022-11-02 21:06:59,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2022-11-02 21:06:59,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 56 states have (on average 1.3214285714285714) internal successors, (74), 61 states have internal predecessors, (74), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-02 21:06:59,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 93 transitions. [2022-11-02 21:06:59,781 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 93 transitions. Word has length 25 [2022-11-02 21:06:59,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:06:59,782 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 93 transitions. [2022-11-02 21:06:59,782 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) [2022-11-02 21:06:59,783 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 93 transitions. [2022-11-02 21:06:59,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-02 21:06:59,785 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:06:59,786 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:06:59,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 21:06:59,786 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:06:59,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:06:59,787 INFO L85 PathProgramCache]: Analyzing trace with hash 1548949891, now seen corresponding path program 1 times [2022-11-02 21:06:59,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:06:59,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198124426] [2022-11-02 21:06:59,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:06:59,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:06:59,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:59,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-02 21:06:59,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:06:59,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:06:59,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:06:59,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198124426] [2022-11-02 21:06:59,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198124426] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:06:59,918 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:06:59,918 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 21:06:59,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660812012] [2022-11-02 21:06:59,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:06:59,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:06:59,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:06:59,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:06:59,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:06:59,921 INFO L87 Difference]: Start difference. First operand 72 states and 93 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) [2022-11-02 21:06:59,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:06:59,968 INFO L93 Difference]: Finished difference Result 110 states and 142 transitions. [2022-11-02 21:06:59,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:06:59,970 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 [2022-11-02 21:06:59,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:06:59,973 INFO L225 Difference]: With dead ends: 110 [2022-11-02 21:06:59,975 INFO L226 Difference]: Without dead ends: 63 [2022-11-02 21:06:59,977 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 [2022-11-02 21:06:59,979 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 12 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 144 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 [2022-11-02 21:06:59,981 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 144 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 21:06:59,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-11-02 21:06:59,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2022-11-02 21:06:59,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 50 states have (on average 1.34) internal successors, (67), 55 states have internal predecessors, (67), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-02 21:06:59,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 81 transitions. [2022-11-02 21:06:59,996 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 81 transitions. Word has length 26 [2022-11-02 21:07:00,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:07:00,002 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 81 transitions. [2022-11-02 21:07:00,003 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) [2022-11-02 21:07:00,004 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 81 transitions. [2022-11-02 21:07:00,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-02 21:07:00,007 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:07:00,007 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] [2022-11-02 21:07:00,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 21:07:00,008 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:07:00,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:00,010 INFO L85 PathProgramCache]: Analyzing trace with hash 1454917381, now seen corresponding path program 1 times [2022-11-02 21:07:00,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:07:00,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750095338] [2022-11-02 21:07:00,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:00,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:07:00,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:00,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-02 21:07:00,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:00,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:07:00,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:07:00,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750095338] [2022-11-02 21:07:00,117 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750095338] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:07:00,118 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:07:00,118 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 21:07:00,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443635753] [2022-11-02 21:07:00,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:07:00,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:07:00,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:07:00,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:07:00,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:07:00,120 INFO L87 Difference]: Start difference. First operand 63 states and 81 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) [2022-11-02 21:07:00,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:07:00,135 INFO L93 Difference]: Finished difference Result 119 states and 156 transitions. [2022-11-02 21:07:00,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:07:00,136 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 [2022-11-02 21:07:00,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:07:00,137 INFO L225 Difference]: With dead ends: 119 [2022-11-02 21:07:00,137 INFO L226 Difference]: Without dead ends: 63 [2022-11-02 21:07:00,138 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 [2022-11-02 21:07:00,139 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 63 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 79 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 [2022-11-02 21:07:00,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 79 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 21:07:00,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-11-02 21:07:00,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2022-11-02 21:07:00,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 50 states have (on average 1.32) internal successors, (66), 55 states have internal predecessors, (66), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-02 21:07:00,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 80 transitions. [2022-11-02 21:07:00,149 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 80 transitions. Word has length 30 [2022-11-02 21:07:00,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:07:00,150 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 80 transitions. [2022-11-02 21:07:00,150 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) [2022-11-02 21:07:00,150 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2022-11-02 21:07:00,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-02 21:07:00,151 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:07:00,152 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] [2022-11-02 21:07:00,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 21:07:00,152 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:07:00,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:00,153 INFO L85 PathProgramCache]: Analyzing trace with hash -199527812, now seen corresponding path program 1 times [2022-11-02 21:07:00,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:07:00,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632829965] [2022-11-02 21:07:00,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:00,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:07:00,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:00,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-02 21:07:00,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:00,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-02 21:07:00,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:00,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:07:00,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:07:00,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632829965] [2022-11-02 21:07:00,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632829965] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:07:00,301 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:07:00,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 21:07:00,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620664391] [2022-11-02 21:07:00,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:07:00,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:07:00,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:07:00,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:07:00,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:07:00,303 INFO L87 Difference]: Start difference. First operand 63 states and 80 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-02 21:07:00,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:07:00,338 INFO L93 Difference]: Finished difference Result 160 states and 207 transitions. [2022-11-02 21:07:00,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:07:00,339 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 35 [2022-11-02 21:07:00,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:07:00,340 INFO L225 Difference]: With dead ends: 160 [2022-11-02 21:07:00,340 INFO L226 Difference]: Without dead ends: 104 [2022-11-02 21:07:00,341 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:07:00,342 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 54 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 21:07:00,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 147 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 21:07:00,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2022-11-02 21:07:00,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 102. [2022-11-02 21:07:00,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 80 states have (on average 1.3125) internal successors, (105), 87 states have internal predecessors, (105), 11 states have call successors, (11), 10 states have call predecessors, (11), 10 states have return successors, (13), 11 states have call predecessors, (13), 11 states have call successors, (13) [2022-11-02 21:07:00,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 129 transitions. [2022-11-02 21:07:00,362 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 129 transitions. Word has length 35 [2022-11-02 21:07:00,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:07:00,363 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 129 transitions. [2022-11-02 21:07:00,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-02 21:07:00,363 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 129 transitions. [2022-11-02 21:07:00,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-02 21:07:00,365 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:07:00,365 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] [2022-11-02 21:07:00,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 21:07:00,365 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:07:00,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:00,366 INFO L85 PathProgramCache]: Analyzing trace with hash -2013550284, now seen corresponding path program 1 times [2022-11-02 21:07:00,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:07:00,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232292213] [2022-11-02 21:07:00,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:00,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:07:00,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:00,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 21:07:00,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:00,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-02 21:07:00,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:00,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:07:00,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:07:00,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232292213] [2022-11-02 21:07:00,672 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232292213] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:07:00,672 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:07:00,672 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:07:00,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262448908] [2022-11-02 21:07:00,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:07:00,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 21:07:00,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:07:00,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 21:07:00,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:07:00,684 INFO L87 Difference]: Start difference. First operand 102 states and 129 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-02 21:07:00,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:07:00,782 INFO L93 Difference]: Finished difference Result 282 states and 373 transitions. [2022-11-02 21:07:00,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 21:07:00,783 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2022-11-02 21:07:00,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:07:00,785 INFO L225 Difference]: With dead ends: 282 [2022-11-02 21:07:00,785 INFO L226 Difference]: Without dead ends: 187 [2022-11-02 21:07:00,786 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-02 21:07:00,788 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 41 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 21:07:00,788 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 312 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 21:07:00,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2022-11-02 21:07:00,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 181. [2022-11-02 21:07:00,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 142 states have (on average 1.2887323943661972) internal successors, (183), 152 states have internal predecessors, (183), 21 states have call successors, (21), 19 states have call predecessors, (21), 17 states have return successors, (27), 19 states have call predecessors, (27), 21 states have call successors, (27) [2022-11-02 21:07:00,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 231 transitions. [2022-11-02 21:07:00,813 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 231 transitions. Word has length 41 [2022-11-02 21:07:00,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:07:00,813 INFO L495 AbstractCegarLoop]: Abstraction has 181 states and 231 transitions. [2022-11-02 21:07:00,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-02 21:07:00,814 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 231 transitions. [2022-11-02 21:07:00,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-02 21:07:00,820 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:07:00,820 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] [2022-11-02 21:07:00,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 21:07:00,820 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:07:00,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:00,821 INFO L85 PathProgramCache]: Analyzing trace with hash -583739890, now seen corresponding path program 1 times [2022-11-02 21:07:00,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:07:00,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151347009] [2022-11-02 21:07:00,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:00,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:07:00,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:01,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 21:07:01,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:01,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-02 21:07:01,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:01,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 21:07:01,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:01,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:07:01,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:07:01,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151347009] [2022-11-02 21:07:01,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151347009] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:07:01,021 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:07:01,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 21:07:01,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433342549] [2022-11-02 21:07:01,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:07:01,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:07:01,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:07:01,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:07:01,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:07:01,024 INFO L87 Difference]: Start difference. First operand 181 states and 231 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-02 21:07:01,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:07:01,345 INFO L93 Difference]: Finished difference Result 461 states and 623 transitions. [2022-11-02 21:07:01,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 21:07:01,345 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 45 [2022-11-02 21:07:01,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:07:01,358 INFO L225 Difference]: With dead ends: 461 [2022-11-02 21:07:01,358 INFO L226 Difference]: Without dead ends: 366 [2022-11-02 21:07:01,363 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-02 21:07:01,367 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 163 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 21:07:01,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 313 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 21:07:01,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2022-11-02 21:07:01,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 342. [2022-11-02 21:07:01,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 271 states have (on average 1.2767527675276753) internal successors, (346), 294 states have internal predecessors, (346), 39 states have call successors, (39), 27 states have call predecessors, (39), 31 states have return successors, (59), 37 states have call predecessors, (59), 39 states have call successors, (59) [2022-11-02 21:07:01,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 444 transitions. [2022-11-02 21:07:01,418 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 444 transitions. Word has length 45 [2022-11-02 21:07:01,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:07:01,420 INFO L495 AbstractCegarLoop]: Abstraction has 342 states and 444 transitions. [2022-11-02 21:07:01,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-02 21:07:01,421 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 444 transitions. [2022-11-02 21:07:01,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-02 21:07:01,426 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:07:01,426 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] [2022-11-02 21:07:01,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-02 21:07:01,427 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:07:01,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:01,428 INFO L85 PathProgramCache]: Analyzing trace with hash -364885172, now seen corresponding path program 1 times [2022-11-02 21:07:01,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:07:01,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687737158] [2022-11-02 21:07:01,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:01,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:07:01,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:01,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 21:07:01,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:01,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-02 21:07:01,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:01,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 21:07:01,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:01,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:07:01,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:07:01,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687737158] [2022-11-02 21:07:01,559 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687737158] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:07:01,559 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:07:01,559 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:07:01,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701836431] [2022-11-02 21:07:01,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:07:01,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 21:07:01,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:07:01,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 21:07:01,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:07:01,561 INFO L87 Difference]: Start difference. First operand 342 states and 444 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-02 21:07:01,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:07:01,795 INFO L93 Difference]: Finished difference Result 711 states and 938 transitions. [2022-11-02 21:07:01,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 21:07:01,795 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 45 [2022-11-02 21:07:01,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:07:01,799 INFO L225 Difference]: With dead ends: 711 [2022-11-02 21:07:01,799 INFO L226 Difference]: Without dead ends: 451 [2022-11-02 21:07:01,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-02 21:07:01,805 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 153 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 21:07:01,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 360 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 21:07:01,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2022-11-02 21:07:01,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 342. [2022-11-02 21:07:01,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 271 states have (on average 1.2693726937269372) internal successors, (344), 294 states have internal predecessors, (344), 39 states have call successors, (39), 27 states have call predecessors, (39), 31 states have return successors, (59), 37 states have call predecessors, (59), 39 states have call successors, (59) [2022-11-02 21:07:01,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 442 transitions. [2022-11-02 21:07:01,880 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 442 transitions. Word has length 45 [2022-11-02 21:07:01,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:07:01,881 INFO L495 AbstractCegarLoop]: Abstraction has 342 states and 442 transitions. [2022-11-02 21:07:01,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-02 21:07:01,881 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 442 transitions. [2022-11-02 21:07:01,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-02 21:07:01,886 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:07:01,887 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] [2022-11-02 21:07:01,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-02 21:07:01,888 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:07:01,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:01,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1182533622, now seen corresponding path program 1 times [2022-11-02 21:07:01,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:07:01,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449859583] [2022-11-02 21:07:01,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:01,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:07:01,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:02,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 21:07:02,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:02,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-02 21:07:02,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:02,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 21:07:02,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:02,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:07:02,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:07:02,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449859583] [2022-11-02 21:07:02,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449859583] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:07:02,082 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:07:02,082 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 21:07:02,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530007814] [2022-11-02 21:07:02,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:07:02,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 21:07:02,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:07:02,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 21:07:02,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-02 21:07:02,085 INFO L87 Difference]: Start difference. First operand 342 states and 442 transitions. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 6 states have internal predecessors, (38), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-02 21:07:02,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:07:02,388 INFO L93 Difference]: Finished difference Result 829 states and 1093 transitions. [2022-11-02 21:07:02,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-02 21:07:02,388 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 6 states have internal predecessors, (38), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 45 [2022-11-02 21:07:02,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:07:02,394 INFO L225 Difference]: With dead ends: 829 [2022-11-02 21:07:02,394 INFO L226 Difference]: Without dead ends: 494 [2022-11-02 21:07:02,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2022-11-02 21:07:02,400 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 314 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 21:07:02,403 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [321 Valid, 349 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 21:07:02,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2022-11-02 21:07:02,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 367. [2022-11-02 21:07:02,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 295 states have (on average 1.2474576271186442) internal successors, (368), 316 states have internal predecessors, (368), 39 states have call successors, (39), 26 states have call predecessors, (39), 32 states have return successors, (63), 37 states have call predecessors, (63), 39 states have call successors, (63) [2022-11-02 21:07:02,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 470 transitions. [2022-11-02 21:07:02,485 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 470 transitions. Word has length 45 [2022-11-02 21:07:02,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:07:02,485 INFO L495 AbstractCegarLoop]: Abstraction has 367 states and 470 transitions. [2022-11-02 21:07:02,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 6 states have internal predecessors, (38), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-02 21:07:02,486 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 470 transitions. [2022-11-02 21:07:02,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-02 21:07:02,487 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:07:02,487 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:07:02,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-02 21:07:02,488 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:07:02,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:02,488 INFO L85 PathProgramCache]: Analyzing trace with hash 987986838, now seen corresponding path program 1 times [2022-11-02 21:07:02,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:07:02,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589353197] [2022-11-02 21:07:02,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:02,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:07:02,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:02,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 21:07:02,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:02,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-02 21:07:02,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:02,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 21:07:02,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:02,726 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-02 21:07:02,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:07:02,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589353197] [2022-11-02 21:07:02,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589353197] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 21:07:02,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [739370173] [2022-11-02 21:07:02,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:02,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:07:02,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfea44eb-7623-48d7-8fea-1362d0f89b4a/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:07:02,730 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfea44eb-7623-48d7-8fea-1362d0f89b4a/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:07:02,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfea44eb-7623-48d7-8fea-1362d0f89b4a/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-02 21:07:02,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:02,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-02 21:07:02,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:07:03,168 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:07:03,169 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:07:03,170 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [739370173] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:07:03,170 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 21:07:03,170 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 9 [2022-11-02 21:07:03,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601594332] [2022-11-02 21:07:03,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:07:03,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 21:07:03,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:07:03,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 21:07:03,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-02 21:07:03,173 INFO L87 Difference]: Start difference. First operand 367 states and 470 transitions. Second operand has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-02 21:07:03,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:07:03,414 INFO L93 Difference]: Finished difference Result 1078 states and 1405 transitions. [2022-11-02 21:07:03,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-02 21:07:03,415 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 50 [2022-11-02 21:07:03,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:07:03,421 INFO L225 Difference]: With dead ends: 1078 [2022-11-02 21:07:03,421 INFO L226 Difference]: Without dead ends: 718 [2022-11-02 21:07:03,423 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 51 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-11-02 21:07:03,425 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 107 mSDsluCounter, 406 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 21:07:03,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 493 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 21:07:03,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 718 states. [2022-11-02 21:07:03,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 718 to 688. [2022-11-02 21:07:03,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 688 states, 551 states have (on average 1.2304900181488203) internal successors, (678), 586 states have internal predecessors, (678), 75 states have call successors, (75), 51 states have call predecessors, (75), 61 states have return successors, (125), 71 states have call predecessors, (125), 75 states have call successors, (125) [2022-11-02 21:07:03,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 878 transitions. [2022-11-02 21:07:03,546 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 878 transitions. Word has length 50 [2022-11-02 21:07:03,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:07:03,547 INFO L495 AbstractCegarLoop]: Abstraction has 688 states and 878 transitions. [2022-11-02 21:07:03,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-02 21:07:03,547 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 878 transitions. [2022-11-02 21:07:03,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-02 21:07:03,548 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:07:03,549 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] [2022-11-02 21:07:03,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfea44eb-7623-48d7-8fea-1362d0f89b4a/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-02 21:07:03,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfea44eb-7623-48d7-8fea-1362d0f89b4a/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:07:03,759 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:07:03,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:03,760 INFO L85 PathProgramCache]: Analyzing trace with hash -1869519007, now seen corresponding path program 1 times [2022-11-02 21:07:03,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:07:03,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151079796] [2022-11-02 21:07:03,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:03,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:07:03,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:03,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 21:07:03,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:03,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-02 21:07:03,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:03,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-02 21:07:03,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:03,868 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-02 21:07:03,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:07:03,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151079796] [2022-11-02 21:07:03,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151079796] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:07:03,869 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:07:03,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 21:07:03,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468260588] [2022-11-02 21:07:03,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:07:03,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:07:03,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:07:03,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:07:03,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:07:03,871 INFO L87 Difference]: Start difference. First operand 688 states and 878 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-02 21:07:04,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:07:04,105 INFO L93 Difference]: Finished difference Result 1271 states and 1632 transitions. [2022-11-02 21:07:04,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 21:07:04,106 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 51 [2022-11-02 21:07:04,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:07:04,108 INFO L225 Difference]: With dead ends: 1271 [2022-11-02 21:07:04,108 INFO L226 Difference]: Without dead ends: 250 [2022-11-02 21:07:04,111 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-02 21:07:04,112 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 119 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 21:07:04,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 386 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 21:07:04,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2022-11-02 21:07:04,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 242. [2022-11-02 21:07:04,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 192 states have (on average 1.1927083333333333) internal successors, (229), 203 states have internal predecessors, (229), 26 states have call successors, (26), 23 states have call predecessors, (26), 23 states have return successors, (31), 24 states have call predecessors, (31), 26 states have call successors, (31) [2022-11-02 21:07:04,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 286 transitions. [2022-11-02 21:07:04,136 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 286 transitions. Word has length 51 [2022-11-02 21:07:04,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:07:04,136 INFO L495 AbstractCegarLoop]: Abstraction has 242 states and 286 transitions. [2022-11-02 21:07:04,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-02 21:07:04,136 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 286 transitions. [2022-11-02 21:07:04,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-02 21:07:04,137 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:07:04,138 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:07:04,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-02 21:07:04,138 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:07:04,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:07:04,138 INFO L85 PathProgramCache]: Analyzing trace with hash -400361830, now seen corresponding path program 1 times [2022-11-02 21:07:04,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:07:04,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126013188] [2022-11-02 21:07:04,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:07:04,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:07:04,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:04,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 21:07:04,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:04,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-02 21:07:04,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:04,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:07:04,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:04,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-02 21:07:04,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:07:04,305 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-02 21:07:04,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:07:04,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126013188] [2022-11-02 21:07:04,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126013188] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:07:04,305 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:07:04,305 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-02 21:07:04,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026391748] [2022-11-02 21:07:04,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:07:04,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-02 21:07:04,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:07:04,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-02 21:07:04,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-11-02 21:07:04,307 INFO L87 Difference]: Start difference. First operand 242 states and 286 transitions. Second operand has 11 states, 11 states have (on average 4.090909090909091) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 21:07:04,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:07:04,842 INFO L93 Difference]: Finished difference Result 473 states and 564 transitions. [2022-11-02 21:07:04,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-02 21:07:04,843 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.090909090909091) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) Word has length 54 [2022-11-02 21:07:04,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:07:04,844 INFO L225 Difference]: With dead ends: 473 [2022-11-02 21:07:04,844 INFO L226 Difference]: Without dead ends: 0 [2022-11-02 21:07:04,845 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=141, Invalid=365, Unknown=0, NotChecked=0, Total=506 [2022-11-02 21:07:04,846 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 195 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-02 21:07:04,847 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 326 Invalid, 420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-02 21:07:04,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-02 21:07:04,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-02 21:07:04,848 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) [2022-11-02 21:07:04,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-02 21:07:04,848 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2022-11-02 21:07:04,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:07:04,848 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 21:07:04,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.090909090909091) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 21:07:04,849 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-02 21:07:04,849 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-02 21:07:04,852 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-02 21:07:04,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-02 21:07:04,855 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-02 21:07:10,737 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 125 131) no Hoare annotation was computed. [2022-11-02 21:07:10,738 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 125 131) the Hoare annotation is: true [2022-11-02 21:07:10,738 INFO L899 garLoopResultBuilder]: For program point L402-1(lines 398 409) no Hoare annotation was computed. [2022-11-02 21:07:10,738 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 398 409) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (<= |old(~methaneLevelCritical~0)| 0))) (.cse3 (and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))) (.cse4 (not (<= 0 |old(~methaneLevelCritical~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 (= ~methaneLevelCritical~0 1) (not (= |old(~methaneLevelCritical~0)| 1))) (or .cse1 (not (= ~pumpRunning~0 1)) .cse2 .cse3 .cse4))) [2022-11-02 21:07:10,738 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 398 409) no Hoare annotation was computed. [2022-11-02 21:07:10,739 INFO L899 garLoopResultBuilder]: For program point L481(lines 481 485) no Hoare annotation was computed. [2022-11-02 21:07:10,743 INFO L902 garLoopResultBuilder]: At program point L481-1(lines 481 485) the Hoare annotation is: true [2022-11-02 21:07:10,743 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 467 496) no Hoare annotation was computed. [2022-11-02 21:07:10,744 INFO L899 garLoopResultBuilder]: For program point L478(line 478) no Hoare annotation was computed. [2022-11-02 21:07:10,744 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 467 496) the Hoare annotation is: true [2022-11-02 21:07:10,745 INFO L902 garLoopResultBuilder]: At program point L477-2(lines 477 491) the Hoare annotation is: true [2022-11-02 21:07:10,745 INFO L902 garLoopResultBuilder]: At program point L473(line 473) the Hoare annotation is: true [2022-11-02 21:07:10,745 INFO L899 garLoopResultBuilder]: For program point L473-1(line 473) no Hoare annotation was computed. [2022-11-02 21:07:10,745 INFO L902 garLoopResultBuilder]: At program point L492(lines 467 496) the Hoare annotation is: true [2022-11-02 21:07:10,745 INFO L899 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2022-11-02 21:07:10,745 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 410 418) the Hoare annotation is: true [2022-11-02 21:07:10,746 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 410 418) no Hoare annotation was computed. [2022-11-02 21:07:10,746 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 410 418) no Hoare annotation was computed. [2022-11-02 21:07:10,746 INFO L899 garLoopResultBuilder]: For program point L353(lines 353 366) no Hoare annotation was computed. [2022-11-02 21:07:10,746 INFO L895 garLoopResultBuilder]: At program point L353-1(lines 338 370) the Hoare annotation is: (let ((.cse4 (= 1 ~systemActive~0))) (let ((.cse1 (not (= |old(~pumpRunning~0)| 1))) (.cse9 (= ~pumpRunning~0 0)) (.cse11 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not .cse4)) (.cse3 (<= ~waterLevel~0 1)) (.cse5 (not (= |timeShift_processEnvironment_~tmp~0#1| 0))) (.cse6 (<= |timeShift_activatePump_~tmp~1#1| 0)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (< 0 (+ |timeShift_activatePump_~tmp~1#1| 1))) (.cse2 (= ~pumpRunning~0 1))) (and (or .cse0 .cse1 .cse2) (let ((.cse10 (not (= |timeShift___utac_acc__Specification3_spec__1_~tmp~4#1| 0))) (.cse12 (= |timeShift_isHighWaterLevel_~tmp~2#1| 0)) (.cse13 (not (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 0))) (.cse14 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse15 (not (= |timeShift_isHighWaterLevel_#res#1| 0)))) (or (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse2) (and .cse9 .cse10 .cse3 .cse4 .cse7) .cse11 .cse0 (and .cse9 .cse10 .cse12 .cse5 .cse13 .cse14 .cse7 .cse15) (not (= ~methaneLevelCritical~0 1)) (and .cse12 .cse5 .cse13 .cse6 .cse14 .cse7 .cse8 .cse15 .cse2))) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse3 .cse1) (or (and .cse9 .cse3 .cse4 .cse7) .cse11 .cse0 (and .cse3 .cse4 .cse5 (<= |timeShift_isMethaneAlarm_#res#1| 0) .cse6 .cse7 .cse8 (<= 0 |timeShift_isMethaneAlarm_#res#1|) .cse2) (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)))))) [2022-11-02 21:07:10,747 INFO L899 garLoopResultBuilder]: For program point L378(lines 378 382) no Hoare annotation was computed. [2022-11-02 21:07:10,748 INFO L895 garLoopResultBuilder]: At program point L345(line 345) the Hoare annotation is: (let ((.cse6 (= 1 ~systemActive~0)) (.cse15 (= ~pumpRunning~0 0)) (.cse5 (<= ~waterLevel~0 1)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (and .cse15 .cse5 .cse9)) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (<= |timeShift_activatePump_~tmp~1#1| 0)) (.cse10 (< 0 (+ |timeShift_activatePump_~tmp~1#1| 1))) (.cse2 (= ~pumpRunning~0 1)) (.cse7 (not (= |timeShift_processEnvironment_~tmp~0#1| 0))) (.cse0 (not .cse6)) (.cse1 (not (= |old(~pumpRunning~0)| 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 (and .cse5 .cse6 .cse7 (<= |timeShift_isMethaneAlarm_#res#1| 0) .cse8 .cse9 .cse10 (<= 0 |timeShift_isMethaneAlarm_#res#1|) .cse2) (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0))) (let ((.cse11 (= |timeShift_isHighWaterLevel_~tmp~2#1| 0)) (.cse12 (not (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 0))) (.cse13 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse14 (not (= |timeShift_isHighWaterLevel_#res#1| 0)))) (or (and .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse2) .cse3 .cse4 .cse0 (not (= ~methaneLevelCritical~0 1)) (and .cse11 .cse7 .cse12 .cse8 .cse13 .cse9 .cse10 .cse14 .cse2) (and .cse15 .cse11 .cse7 .cse12 .cse13 .cse9 .cse14))) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse5 .cse1)))) [2022-11-02 21:07:10,748 INFO L895 garLoopResultBuilder]: At program point L378-2(lines 374 385) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 1))) (or .cse1 .cse2 (= ~pumpRunning~0 1)) (or (not (<= |old(~waterLevel~0)| 1)) .cse1 (<= ~waterLevel~0 1) .cse2) (or .cse0 .cse1 (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0))))) [2022-11-02 21:07:10,749 INFO L899 garLoopResultBuilder]: For program point L345-1(line 345) no Hoare annotation was computed. [2022-11-02 21:07:10,749 INFO L895 garLoopResultBuilder]: At program point L147(line 147) the Hoare annotation is: (let ((.cse3 (= 1 ~systemActive~0))) (let ((.cse1 (and (= ~pumpRunning~0 0) (<= ~waterLevel~0 1) .cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not .cse3))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1))) (or .cse1 .cse2 .cse0 (not (= ~methaneLevelCritical~0 1))) (or .cse1 .cse2 .cse0 (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)))))) [2022-11-02 21:07:10,750 INFO L895 garLoopResultBuilder]: At program point L263(lines 248 266) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (and .cse3 (<= ~waterLevel~0 1) .cse5 .cse4)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not .cse5))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1))) (or .cse1 .cse2 .cse0 (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0))) (or .cse1 .cse2 .cse0 (and .cse3 (= |timeShift_isHighWaterLevel_~tmp~2#1| 0) (not (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 0)) (= |timeShift_isHighWaterSensorDry_#res#1| 0) .cse4 (not (= |timeShift_isHighWaterLevel_#res#1| 0))) (not (= ~methaneLevelCritical~0 1)))))) [2022-11-02 21:07:10,750 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 101 124) no Hoare annotation was computed. [2022-11-02 21:07:10,750 INFO L895 garLoopResultBuilder]: At program point L197(line 197) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (= |timeShift_processEnvironment_~tmp~0#1| 0))) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (= 1 ~systemActive~0))) (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not .cse6)) (.cse2 (and .cse3 (<= ~waterLevel~0 1) .cse6 .cse4 .cse5))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1))) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 1)) .cse2 (and .cse3 (= |timeShift_isHighWaterLevel_~tmp~2#1| 0) .cse4 (not (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 0)) (= |timeShift_isHighWaterSensorDry_#res#1| 0) .cse5 (not (= |timeShift_isHighWaterLevel_#res#1| 0)))) (or .cse1 .cse0 (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)) .cse2)))) [2022-11-02 21:07:10,750 INFO L899 garLoopResultBuilder]: For program point L197-1(line 197) no Hoare annotation was computed. [2022-11-02 21:07:10,751 INFO L899 garLoopResultBuilder]: For program point L932(line 932) no Hoare annotation was computed. [2022-11-02 21:07:10,751 INFO L895 garLoopResultBuilder]: At program point L152(line 152) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 1))) (or .cse1 .cse2 (= ~pumpRunning~0 1)) (or (not (<= |old(~waterLevel~0)| 1)) .cse1 (<= ~waterLevel~0 1) .cse2) (or .cse0 .cse1 (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0))))) [2022-11-02 21:07:10,751 INFO L895 garLoopResultBuilder]: At program point L152-1(lines 133 157) the Hoare annotation is: (let ((.cse6 (= 1 ~systemActive~0)) (.cse15 (= ~pumpRunning~0 0)) (.cse5 (<= ~waterLevel~0 1)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (and .cse15 .cse5 .cse9)) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (<= |timeShift_activatePump_~tmp~1#1| 0)) (.cse10 (< 0 (+ |timeShift_activatePump_~tmp~1#1| 1))) (.cse2 (= ~pumpRunning~0 1)) (.cse7 (not (= |timeShift_processEnvironment_~tmp~0#1| 0))) (.cse0 (not .cse6)) (.cse1 (not (= |old(~pumpRunning~0)| 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 (and .cse5 .cse6 .cse7 (<= |timeShift_isMethaneAlarm_#res#1| 0) .cse8 .cse9 .cse10 (<= 0 |timeShift_isMethaneAlarm_#res#1|) .cse2) (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0))) (let ((.cse11 (= |timeShift_isHighWaterLevel_~tmp~2#1| 0)) (.cse12 (not (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 0))) (.cse13 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse14 (not (= |timeShift_isHighWaterLevel_#res#1| 0)))) (or (and .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse2) .cse3 .cse4 .cse0 (not (= ~methaneLevelCritical~0 1)) (and .cse11 .cse7 .cse12 .cse8 .cse13 .cse9 .cse10 .cse14 .cse2) (and .cse15 .cse11 .cse7 .cse12 .cse13 .cse9 .cse14))) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse5 .cse1)))) [2022-11-02 21:07:10,752 INFO L895 garLoopResultBuilder]: At program point L933(lines 928 935) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 1))) (or .cse1 (not (= |old(~pumpRunning~0)| 1))) (or .cse0 .cse1 (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0))))) [2022-11-02 21:07:10,752 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 367) no Hoare annotation was computed. [2022-11-02 21:07:10,752 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 112 118) no Hoare annotation was computed. [2022-11-02 21:07:10,752 INFO L899 garLoopResultBuilder]: For program point L174(lines 174 180) no Hoare annotation was computed. [2022-11-02 21:07:10,753 INFO L899 garLoopResultBuilder]: For program point L141(lines 141 149) no Hoare annotation was computed. [2022-11-02 21:07:10,753 INFO L895 garLoopResultBuilder]: At program point L174-2(lines 167 183) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0))) (let ((.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (not .cse1)) (.cse0 (<= ~waterLevel~0 1)) (.cse2 (not (= |timeShift_processEnvironment_~tmp~0#1| 0))) (.cse3 (<= |timeShift_activatePump_~tmp~1#1| 0)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (< 0 (+ |timeShift_activatePump_~tmp~1#1| 1))) (.cse6 (= ~pumpRunning~0 1))) (and (let ((.cse13 (= ~pumpRunning~0 0)) (.cse9 (= |timeShift_isHighWaterLevel_~tmp~2#1| 0)) (.cse10 (not (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 0))) (.cse11 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse12 (not (= |timeShift_isHighWaterLevel_#res#1| 0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) .cse7 .cse8 (not (= ~methaneLevelCritical~0 1)) (and .cse9 .cse2 .cse10 .cse3 .cse11 .cse4 .cse5 .cse12 .cse6) (and .cse13 .cse0 .cse2 .cse4) (and .cse13 .cse9 .cse2 .cse10 .cse11 .cse4 .cse12))) (or .cse8 (not (= |old(~pumpRunning~0)| 1))) (or .cse7 .cse8 (and .cse0 .cse1 .cse2 (<= |timeShift_isMethaneAlarm_#res#1| 0) .cse3 .cse4 .cse5 (<= 0 |timeShift_isMethaneAlarm_#res#1|) .cse6) (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)))))) [2022-11-02 21:07:10,753 INFO L899 garLoopResultBuilder]: For program point L137(lines 137 154) no Hoare annotation was computed. [2022-11-02 21:07:10,753 INFO L899 garLoopResultBuilder]: For program point L455(lines 455 461) no Hoare annotation was computed. [2022-11-02 21:07:10,754 INFO L895 garLoopResultBuilder]: At program point L199(lines 192 202) the Hoare annotation is: (let ((.cse4 (= 1 ~systemActive~0))) (let ((.cse2 (= ~pumpRunning~0 0)) (.cse3 (<= ~waterLevel~0 1)) (.cse5 (not (= |timeShift_processEnvironment_~tmp~0#1| 0))) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not .cse4))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1))) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 1)) (and .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse2 (= |timeShift_isHighWaterLevel_~tmp~2#1| 0) .cse5 (not (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 0)) (= |timeShift_isHighWaterSensorDry_#res#1| 0) .cse6 (not (= |timeShift_isHighWaterLevel_#res#1| 0)))) (or (and .cse2 .cse3 .cse4 .cse5 (<= |timeShift_isMethaneAlarm_#res#1| 0) .cse6 (<= 0 |timeShift_isMethaneAlarm_#res#1|)) .cse1 .cse0 (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)))))) [2022-11-02 21:07:10,754 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 261) no Hoare annotation was computed. [2022-11-02 21:07:10,754 INFO L899 garLoopResultBuilder]: For program point L257-2(lines 257 261) no Hoare annotation was computed. [2022-11-02 21:07:10,755 INFO L895 garLoopResultBuilder]: At program point L447(lines 442 450) the Hoare annotation is: (let ((.cse14 (<= ~waterLevel~0 1)) (.cse10 (not (= |timeShift_processEnvironment_~tmp~0#1| 0))) (.cse11 (<= |timeShift_activatePump_~tmp~1#1| 0)) (.cse12 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse13 (< 0 (+ |timeShift_activatePump_~tmp~1#1| 1))) (.cse15 (<= |timeShift_getWaterLevel_#res#1| 1)) (.cse7 (= ~pumpRunning~0 1)) (.cse17 (= 1 ~systemActive~0))) (let ((.cse6 (not (= |old(~pumpRunning~0)| 1))) (.cse1 (not (= |old(~waterLevel~0)| 1))) (.cse5 (= |timeShift_getWaterLevel_#res#1| 1)) (.cse3 (not (<= ~methaneLevelCritical~0 0))) (.cse4 (not (<= 0 ~methaneLevelCritical~0))) (.cse16 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not .cse17)) (.cse8 (and .cse14 .cse17 .cse10 .cse11 .cse12 .cse13 .cse15 .cse7)) (.cse9 (not (= ~methaneLevelCritical~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse2 .cse6 .cse7) (or .cse0 .cse2 .cse8 .cse9 (and (= |timeShift_isHighWaterLevel_~tmp~2#1| 0) .cse10 (not (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 0)) .cse11 (= |timeShift_isHighWaterSensorDry_#res#1| 0) .cse12 .cse13 (not (= |timeShift_isHighWaterLevel_#res#1| 0)) .cse7)) (or (and .cse14 .cse15) .cse16 .cse2 .cse6) (or .cse0 .cse1 .cse2 .cse9 .cse5) (or (and (= ~pumpRunning~0 0) .cse14 .cse12 .cse15) .cse0 (and .cse14 .cse17 .cse10 (<= |timeShift_isMethaneAlarm_#res#1| 0) .cse11 .cse12 .cse13 (<= 0 |timeShift_isMethaneAlarm_#res#1|) .cse15 .cse7) .cse2 .cse3 .cse4) (or .cse16 .cse0 .cse2 .cse8 .cse9)))) [2022-11-02 21:07:10,755 INFO L895 garLoopResultBuilder]: At program point L208(lines 203 211) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse4 (not (= |old(~pumpRunning~0)| 1))) (.cse5 (= |timeShift_isPumpRunning_#res#1| 1)) (.cse6 (= ~pumpRunning~0 1)) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse4) (or .cse2 .cse4 (and .cse5 .cse6)) (or .cse1 (and .cse5 (= |timeShift_isHighWaterLevel_~tmp~2#1| 0) (not (= |timeShift_processEnvironment_~tmp~0#1| 0)) (not (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 0)) (<= |timeShift_activatePump_~tmp~1#1| 0) (= |timeShift_isHighWaterSensorDry_#res#1| 0) (= |old(~waterLevel~0)| ~waterLevel~0) (< 0 (+ |timeShift_activatePump_~tmp~1#1| 1)) (not (= |timeShift_isHighWaterLevel_#res#1| 0)) .cse6) .cse2 .cse3) (or .cse1 .cse2 (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0))))) [2022-11-02 21:07:10,755 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 101 124) the Hoare annotation is: (let ((.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= ~pumpRunning~0 0) .cse3)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 1))) (or .cse0 .cse1 .cse2 (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0))) (or .cse2 (not (= |old(~pumpRunning~0)| 1)) (and .cse3 (= ~pumpRunning~0 1)))))) [2022-11-02 21:07:10,756 INFO L895 garLoopResultBuilder]: At program point L460(lines 451 464) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 0)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (and .cse3 (<= ~waterLevel~0 1) .cse4)) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 1)) (and .cse3 (= |timeShift_isHighWaterSensorDry_#res#1| 0) .cse4)) (or .cse2 (not (= |old(~pumpRunning~0)| 1))) (or .cse0 .cse1 .cse2 (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)))))) [2022-11-02 21:07:10,756 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 101 124) no Hoare annotation was computed. [2022-11-02 21:07:10,756 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 932) no Hoare annotation was computed. [2022-11-02 21:07:10,757 INFO L899 garLoopResultBuilder]: For program point L105-1(lines 104 123) no Hoare annotation was computed. [2022-11-02 21:07:10,757 INFO L899 garLoopResultBuilder]: For program point L357(lines 357 363) no Hoare annotation was computed. [2022-11-02 21:07:10,757 INFO L895 garLoopResultBuilder]: At program point L163(lines 158 165) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0))) (let ((.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (not .cse1)) (.cse0 (<= ~waterLevel~0 1)) (.cse2 (not (= |timeShift_processEnvironment_~tmp~0#1| 0))) (.cse3 (<= |timeShift_activatePump_~tmp~1#1| 0)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (< 0 (+ |timeShift_activatePump_~tmp~1#1| 1))) (.cse6 (= ~pumpRunning~0 1))) (and (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) .cse7 .cse8 (not (= ~methaneLevelCritical~0 1)) (and (= |timeShift_isHighWaterLevel_~tmp~2#1| 0) .cse2 (not (= |timeShift_isHighWaterLevel_~tmp___0~0#1| 0)) .cse3 (= |timeShift_isHighWaterSensorDry_#res#1| 0) .cse4 .cse5 (not (= |timeShift_isHighWaterLevel_#res#1| 0)) .cse6)) (or .cse8 (not (= |old(~pumpRunning~0)| 1))) (or .cse7 .cse8 (and .cse0 .cse1 .cse2 (<= |timeShift_isMethaneAlarm_#res#1| 0) .cse3 .cse4 .cse5 (<= 0 |timeShift_isMethaneAlarm_#res#1|) .cse6) (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)))))) [2022-11-02 21:07:10,757 INFO L899 garLoopResultBuilder]: For program point L283(lines 283 287) no Hoare annotation was computed. [2022-11-02 21:07:10,758 INFO L902 garLoopResultBuilder]: At program point L535(lines 528 537) the Hoare annotation is: true [2022-11-02 21:07:10,758 INFO L899 garLoopResultBuilder]: For program point L548(lines 548 555) no Hoare annotation was computed. [2022-11-02 21:07:10,758 INFO L899 garLoopResultBuilder]: For program point L548-2(lines 548 555) no Hoare annotation was computed. [2022-11-02 21:07:10,758 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-02 21:07:10,758 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-02 21:07:10,758 INFO L899 garLoopResultBuilder]: For program point L317(lines 317 321) no Hoare annotation was computed. [2022-11-02 21:07:10,758 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-02 21:07:10,759 INFO L895 garLoopResultBuilder]: At program point L317-2(lines 311 322) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (<= ~methaneLevelCritical~0 0) .cse2 (<= 0 ~methaneLevelCritical~0)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2) (and .cse1 .cse2 (= ~pumpRunning~0 1)))) [2022-11-02 21:07:10,759 INFO L899 garLoopResultBuilder]: For program point L301(lines 301 307) no Hoare annotation was computed. [2022-11-02 21:07:10,759 INFO L902 garLoopResultBuilder]: At program point L557(lines 538 560) the Hoare annotation is: true [2022-11-02 21:07:10,759 INFO L899 garLoopResultBuilder]: For program point L301-1(lines 301 307) no Hoare annotation was computed. [2022-11-02 21:07:10,759 INFO L902 garLoopResultBuilder]: At program point L330(lines 271 334) the Hoare annotation is: true [2022-11-02 21:07:10,760 INFO L895 garLoopResultBuilder]: At program point L293(line 293) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (<= ~waterLevel~0 1) .cse1 (<= ~methaneLevelCritical~0 0) .cse2 (<= 0 ~methaneLevelCritical~0)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2) (and .cse1 .cse2 (= ~pumpRunning~0 1)))) [2022-11-02 21:07:10,760 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-02 21:07:10,760 INFO L895 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1)) [2022-11-02 21:07:10,760 INFO L895 garLoopResultBuilder]: At program point L525(lines 521 527) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1)) [2022-11-02 21:07:10,760 INFO L895 garLoopResultBuilder]: At program point L75(lines 71 77) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1)) [2022-11-02 21:07:10,760 INFO L895 garLoopResultBuilder]: At program point L327(lines 280 328) the Hoare annotation is: false [2022-11-02 21:07:10,761 INFO L899 garLoopResultBuilder]: For program point L282(lines 281 326) no Hoare annotation was computed. [2022-11-02 21:07:10,761 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 322) no Hoare annotation was computed. [2022-11-02 21:07:10,761 INFO L895 garLoopResultBuilder]: At program point L303(line 303) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (<= ~methaneLevelCritical~0 0) .cse2 (<= 0 ~methaneLevelCritical~0)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2) (and .cse1 .cse2 (= ~pumpRunning~0 1)))) [2022-11-02 21:07:10,762 INFO L895 garLoopResultBuilder]: At program point L68(lines 64 70) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1)) [2022-11-02 21:07:10,762 INFO L895 garLoopResultBuilder]: At program point L324(lines 281 326) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (<= ~waterLevel~0 1) .cse1 (<= ~methaneLevelCritical~0 0) .cse2 (<= 0 ~methaneLevelCritical~0)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2) (and .cse1 .cse2 (= ~pumpRunning~0 1)))) [2022-11-02 21:07:10,762 INFO L899 garLoopResultBuilder]: For program point L291(lines 291 297) no Hoare annotation was computed. [2022-11-02 21:07:10,762 INFO L899 garLoopResultBuilder]: For program point L291-1(lines 291 297) no Hoare annotation was computed. [2022-11-02 21:07:10,762 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 386 397) no Hoare annotation was computed. [2022-11-02 21:07:10,762 INFO L899 garLoopResultBuilder]: For program point L390-1(lines 386 397) no Hoare annotation was computed. [2022-11-02 21:07:10,763 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 386 397) the Hoare annotation is: (let ((.cse2 (not (= ~pumpRunning~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (not (= ~pumpRunning~0 1)) .cse1) (or (not (<= |old(~waterLevel~0)| 1)) .cse2 .cse0 (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)) .cse1) (or .cse2 .cse0 (not (= ~methaneLevelCritical~0 1)) .cse1))) [2022-11-02 21:07:10,766 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:07:10,771 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 21:07:10,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 09:07:10 BoogieIcfgContainer [2022-11-02 21:07:10,817 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 21:07:10,818 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 21:07:10,818 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 21:07:10,818 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 21:07:10,819 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:06:59" (3/4) ... [2022-11-02 21:07:10,822 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-02 21:07:10,830 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-02 21:07:10,830 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-02 21:07:10,830 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-02 21:07:10,831 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-02 21:07:10,831 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-02 21:07:10,831 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-02 21:07:10,842 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2022-11-02 21:07:10,844 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-02 21:07:10,845 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-02 21:07:10,846 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-02 21:07:10,846 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-02 21:07:10,846 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 21:07:10,847 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 21:07:10,876 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) && ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || pumpRunning == 1)) && (((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || waterLevel <= 1) || !(\old(pumpRunning) == 1))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) [2022-11-02 21:07:10,878 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || pumpRunning == 1) && (((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && \result <= 0) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && 0 <= \result) && pumpRunning == 1)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical))) && ((((((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && pumpRunning == 1) || ((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel)) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || ((((((((tmp == 0 && !(tmp == 0)) && !(tmp___0 == 0)) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && !(\result == 0)) && pumpRunning == 1)) || ((((((pumpRunning == 0 && tmp == 0) && !(tmp == 0)) && !(tmp___0 == 0)) && \result == 0) && \old(waterLevel) == waterLevel) && !(\result == 0)))) && (((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || waterLevel <= 1) || !(\old(pumpRunning) == 1)) [2022-11-02 21:07:10,879 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || pumpRunning == 1) && ((((((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && pumpRunning == 1) || ((((pumpRunning == 0 && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel)) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (((((((pumpRunning == 0 && !(tmp == 0)) && tmp == 0) && !(tmp == 0)) && !(tmp___0 == 0)) && \result == 0) && \old(waterLevel) == waterLevel) && !(\result == 0))) || !(methaneLevelCritical == 1)) || ((((((((tmp == 0 && !(tmp == 0)) && !(tmp___0 == 0)) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && !(\result == 0)) && pumpRunning == 1))) && (((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || waterLevel <= 1) || !(\old(pumpRunning) == 1))) && ((((((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && \result <= 0) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && 0 <= \result) && pumpRunning == 1)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) [2022-11-02 21:07:10,880 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || ((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && !(tmp == 0)) && \old(waterLevel) == waterLevel)) || ((((((pumpRunning == 0 && tmp == 0) && !(tmp == 0)) && !(tmp___0 == 0)) && \result == 0) && \old(waterLevel) == waterLevel) && !(\result == 0)))) && ((((((((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && !(tmp == 0)) && \result <= 0) && \old(waterLevel) == waterLevel) && 0 <= \result) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) [2022-11-02 21:07:10,880 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || \result == 1) && ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || pumpRunning == 1)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && \result <= 1) && pumpRunning == 1)) || !(methaneLevelCritical == 1)) || ((((((((tmp == 0 && !(tmp == 0)) && !(tmp___0 == 0)) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && !(\result == 0)) && pumpRunning == 1))) && ((((waterLevel <= 1 && \result <= 1) || !(\old(waterLevel) <= 1)) || !(1 == systemActive)) || !(\old(pumpRunning) == 1))) && ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || \result == 1)) && ((((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && \result <= 1) || !(\old(pumpRunning) == 0)) || (((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && \result <= 0) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && 0 <= \result) && \result <= 1) && pumpRunning == 1)) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && \result <= 1) && pumpRunning == 1)) || !(methaneLevelCritical == 1)) [2022-11-02 21:07:10,880 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel)) && (!(1 == systemActive) || !(\old(pumpRunning) == 1))) && ((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) [2022-11-02 21:07:10,881 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && pumpRunning == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || ((((((((tmp == 0 && !(tmp == 0)) && !(tmp___0 == 0)) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && !(\result == 0)) && pumpRunning == 1)) || (((pumpRunning == 0 && waterLevel <= 1) && !(tmp == 0)) && \old(waterLevel) == waterLevel)) || ((((((pumpRunning == 0 && tmp == 0) && !(tmp == 0)) && !(tmp___0 == 0)) && \result == 0) && \old(waterLevel) == waterLevel) && !(\result == 0))) && (!(1 == systemActive) || !(\old(pumpRunning) == 1))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && \result <= 0) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && 0 <= \result) && pumpRunning == 1)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) [2022-11-02 21:07:10,881 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && pumpRunning == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || ((((((((tmp == 0 && !(tmp == 0)) && !(tmp___0 == 0)) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && !(\result == 0)) && pumpRunning == 1)) && (!(1 == systemActive) || !(\old(pumpRunning) == 1))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && \result <= 0) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && 0 <= \result) && pumpRunning == 1)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) [2022-11-02 21:07:10,881 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) && (((((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical))) && (((((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (((((pumpRunning == 0 && tmp == 0) && !(tmp___0 == 0)) && \result == 0) && \old(waterLevel) == waterLevel) && !(\result == 0))) || !(methaneLevelCritical == 1)) [2022-11-02 21:07:10,881 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) && ((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 1))) && ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || (\result == 1 && pumpRunning == 1))) && (((!(\old(pumpRunning) == 0) || (((((((((\result == 1 && tmp == 0) && !(tmp == 0)) && !(tmp___0 == 0)) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && !(\result == 0)) && pumpRunning == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 1))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) [2022-11-02 21:07:10,882 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) && (!(1 == systemActive) || !(\old(pumpRunning) == 1))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) [2022-11-02 21:07:10,917 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfea44eb-7623-48d7-8fea-1362d0f89b4a/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 21:07:10,918 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 21:07:10,919 INFO L158 Benchmark]: Toolchain (without parser) took 13213.36ms. Allocated memory was 107.0MB in the beginning and 251.7MB in the end (delta: 144.7MB). Free memory was 67.3MB in the beginning and 131.0MB in the end (delta: -63.6MB). Peak memory consumption was 80.6MB. Max. memory is 16.1GB. [2022-11-02 21:07:10,919 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 107.0MB. Free memory is still 84.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 21:07:10,920 INFO L158 Benchmark]: CACSL2BoogieTranslator took 596.22ms. Allocated memory is still 107.0MB. Free memory was 67.1MB in the beginning and 74.8MB in the end (delta: -7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 21:07:10,920 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.94ms. Allocated memory is still 107.0MB. Free memory was 74.8MB in the beginning and 72.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 21:07:10,920 INFO L158 Benchmark]: Boogie Preprocessor took 29.32ms. Allocated memory is still 107.0MB. Free memory was 72.3MB in the beginning and 70.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 21:07:10,921 INFO L158 Benchmark]: RCFGBuilder took 702.91ms. Allocated memory is still 107.0MB. Free memory was 70.7MB in the beginning and 52.7MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-02 21:07:10,921 INFO L158 Benchmark]: TraceAbstraction took 11720.73ms. Allocated memory was 107.0MB in the beginning and 251.7MB in the end (delta: 144.7MB). Free memory was 52.3MB in the beginning and 137.3MB in the end (delta: -85.1MB). Peak memory consumption was 119.0MB. Max. memory is 16.1GB. [2022-11-02 21:07:10,922 INFO L158 Benchmark]: Witness Printer took 100.03ms. Allocated memory is still 251.7MB. Free memory was 136.3MB in the beginning and 131.0MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-02 21:07:10,924 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 107.0MB. Free memory is still 84.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 596.22ms. Allocated memory is still 107.0MB. Free memory was 67.1MB in the beginning and 74.8MB in the end (delta: -7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.94ms. Allocated memory is still 107.0MB. Free memory was 74.8MB in the beginning and 72.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.32ms. Allocated memory is still 107.0MB. Free memory was 72.3MB in the beginning and 70.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 702.91ms. Allocated memory is still 107.0MB. Free memory was 70.7MB in the beginning and 52.7MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 11720.73ms. Allocated memory was 107.0MB in the beginning and 251.7MB in the end (delta: 144.7MB). Free memory was 52.3MB in the beginning and 137.3MB in the end (delta: -85.1MB). Peak memory consumption was 119.0MB. Max. memory is 16.1GB. * Witness Printer took 100.03ms. Allocated memory is still 251.7MB. Free memory was 136.3MB in the beginning and 131.0MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 932]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 81 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.6s, OverallIterations: 11, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1256 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1221 mSDsluCounter, 3011 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2016 mSDsCounter, 213 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 923 IncrementalHoareTripleChecker+Invalid, 1136 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 213 mSolverCounterUnsat, 995 mSDtfsCounter, 923 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 191 GetRequests, 111 SyntacticMatches, 2 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=688occurred in iteration=9, InterpolantAutomatonStates: 78, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 306 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 37 LocationsWithAnnotation, 1171 PreInvPairs, 1418 NumberOfFragments, 2268 HoareAnnotationTreeSize, 1171 FomulaSimplifications, 1824 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 37 FomulaSimplificationsInter, 16426 FormulaSimplificationTreeSizeReductionInter, 5.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 497 NumberOfCodeBlocks, 497 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 485 ConstructedInterpolants, 0 QuantifiedInterpolants, 1229 SizeOfPredicates, 5 NumberOfNonLiveVariables, 363 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 12 InterpolantComputations, 11 PerfectInterpolantSequences, 10/12 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 == systemActive) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1 - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: ((((((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || \result == 1) && ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || pumpRunning == 1)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && \result <= 1) && pumpRunning == 1)) || !(methaneLevelCritical == 1)) || ((((((((tmp == 0 && !(tmp == 0)) && !(tmp___0 == 0)) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && !(\result == 0)) && pumpRunning == 1))) && ((((waterLevel <= 1 && \result <= 1) || !(\old(waterLevel) <= 1)) || !(1 == systemActive)) || !(\old(pumpRunning) == 1))) && ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || \result == 1)) && ((((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && \result <= 1) || !(\old(pumpRunning) == 0)) || (((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && \result <= 0) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && 0 <= \result) && \result <= 1) && pumpRunning == 1)) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && \result <= 1) && pumpRunning == 1)) || !(methaneLevelCritical == 1)) - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: (((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel)) && (!(1 == systemActive) || !(\old(pumpRunning) == 1))) && ((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: ((((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) && ((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 1))) && ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || (\result == 1 && pumpRunning == 1))) && (((!(\old(pumpRunning) == 0) || (((((((((\result == 1 && tmp == 0) && !(tmp == 0)) && !(tmp___0 == 0)) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && !(\result == 0)) && pumpRunning == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 1))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 == systemActive) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 == systemActive) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) && (!(1 == systemActive) || !(\old(pumpRunning) == 1))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || ((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && !(tmp == 0)) && \old(waterLevel) == waterLevel)) || ((((((pumpRunning == 0 && tmp == 0) && !(tmp == 0)) && !(tmp___0 == 0)) && \result == 0) && \old(waterLevel) == waterLevel) && !(\result == 0)))) && ((((((((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && !(tmp == 0)) && \result <= 0) && \old(waterLevel) == waterLevel) && 0 <= \result) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: (((((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && pumpRunning == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || ((((((((tmp == 0 && !(tmp == 0)) && !(tmp___0 == 0)) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && !(\result == 0)) && pumpRunning == 1)) && (!(1 == systemActive) || !(\old(pumpRunning) == 1))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && \result <= 0) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && 0 <= \result) && pumpRunning == 1)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 == systemActive) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1 - InvariantResult [Line: 374]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) && ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || pumpRunning == 1)) && (((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || waterLevel <= 1) || !(\old(pumpRunning) == 1))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) - InvariantResult [Line: 248]: Loop Invariant Derived loop invariant: ((!(1 == systemActive) || !(\old(pumpRunning) == 1)) && (((((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical))) && (((((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (((((pumpRunning == 0 && tmp == 0) && !(tmp___0 == 0)) && \result == 0) && \old(waterLevel) == waterLevel) && !(\result == 0))) || !(methaneLevelCritical == 1)) - InvariantResult [Line: 338]: Loop Invariant Derived loop invariant: ((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || pumpRunning == 1) && ((((((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && pumpRunning == 1) || ((((pumpRunning == 0 && !(tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel)) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (((((((pumpRunning == 0 && !(tmp == 0)) && tmp == 0) && !(tmp == 0)) && !(tmp___0 == 0)) && \result == 0) && \old(waterLevel) == waterLevel) && !(\result == 0))) || !(methaneLevelCritical == 1)) || ((((((((tmp == 0 && !(tmp == 0)) && !(tmp___0 == 0)) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && !(\result == 0)) && pumpRunning == 1))) && (((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || waterLevel <= 1) || !(\old(pumpRunning) == 1))) && ((((((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && \result <= 0) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && 0 <= \result) && pumpRunning == 1)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: (((((((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && pumpRunning == 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || ((((((((tmp == 0 && !(tmp == 0)) && !(tmp___0 == 0)) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && !(\result == 0)) && pumpRunning == 1)) || (((pumpRunning == 0 && waterLevel <= 1) && !(tmp == 0)) && \old(waterLevel) == waterLevel)) || ((((((pumpRunning == 0 && tmp == 0) && !(tmp == 0)) && !(tmp___0 == 0)) && \result == 0) && \old(waterLevel) == waterLevel) && !(\result == 0))) && (!(1 == systemActive) || !(\old(pumpRunning) == 1))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && \result <= 0) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && 0 <= \result) && pumpRunning == 1)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) - InvariantResult [Line: 538]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: ((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || pumpRunning == 1) && (((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && \result <= 0) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && 0 <= \result) && pumpRunning == 1)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical))) && ((((((((((((waterLevel <= 1 && 1 == systemActive) && !(tmp == 0)) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && pumpRunning == 1) || ((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel)) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || ((((((((tmp == 0 && !(tmp == 0)) && !(tmp___0 == 0)) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 < tmp + 1) && !(\result == 0)) && pumpRunning == 1)) || ((((((pumpRunning == 0 && tmp == 0) && !(tmp == 0)) && !(tmp___0 == 0)) && \result == 0) && \old(waterLevel) == waterLevel) && !(\result == 0)))) && (((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || waterLevel <= 1) || !(\old(pumpRunning) == 1)) - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && methaneLevelCritical <= 0) && splverifierCounter == 0) && 0 <= methaneLevelCritical) || (((pumpRunning == 0 && 1 == systemActive) && methaneLevelCritical == 1) && splverifierCounter == 0)) || ((1 == systemActive && splverifierCounter == 0) && pumpRunning == 1) - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-02 21:07:10,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfea44eb-7623-48d7-8fea-1362d0f89b4a/bin/uautomizer-Dbtcem3rbc/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