./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971095a7-bab6-4c62-8f5c-146323dce32b/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971095a7-bab6-4c62-8f5c-146323dce32b/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971095a7-bab6-4c62-8f5c-146323dce32b/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971095a7-bab6-4c62-8f5c-146323dce32b/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971095a7-bab6-4c62-8f5c-146323dce32b/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971095a7-bab6-4c62-8f5c-146323dce32b/bin/uautomizer-tPACEb0tL8 --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 03daf3415808298ae6016bdc33e04662b3dd63f1cba0029f4033bbf040a042d2 --- 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-e04fb08 [2022-11-16 11:36:58,228 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:36:58,230 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:36:58,270 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:36:58,270 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:36:58,274 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:36:58,277 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:36:58,281 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:36:58,283 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:36:58,284 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:36:58,285 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:36:58,286 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:36:58,286 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:36:58,287 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:36:58,288 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:36:58,289 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:36:58,290 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:36:58,291 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:36:58,293 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:36:58,306 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:36:58,310 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:36:58,315 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:36:58,316 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:36:58,316 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:36:58,319 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:36:58,320 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:36:58,320 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:36:58,321 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:36:58,321 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:36:58,322 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:36:58,322 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:36:58,323 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:36:58,324 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:36:58,325 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:36:58,330 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:36:58,331 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:36:58,332 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:36:58,332 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:36:58,333 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:36:58,334 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:36:58,334 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:36:58,336 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971095a7-bab6-4c62-8f5c-146323dce32b/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-16 11:36:58,366 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:36:58,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:36:58,370 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:36:58,370 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:36:58,371 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:36:58,372 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:36:58,372 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:36:58,372 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:36:58,373 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:36:58,373 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:36:58,374 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:36:58,374 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:36:58,374 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:36:58,374 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:36:58,375 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:36:58,375 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:36:58,375 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:36:58,375 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:36:58,375 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:36:58,375 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:36:58,376 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:36:58,376 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:36:58,376 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:36:58,376 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:36:58,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:36:58,377 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:36:58,377 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:36:58,377 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:36:58,377 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:36:58,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:36:58,377 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:36:58,378 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:36:58,378 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:36:58,378 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_971095a7-bab6-4c62-8f5c-146323dce32b/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971095a7-bab6-4c62-8f5c-146323dce32b/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03daf3415808298ae6016bdc33e04662b3dd63f1cba0029f4033bbf040a042d2 [2022-11-16 11:36:58,624 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:36:58,654 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:36:58,656 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:36:58,658 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:36:58,658 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:36:58,660 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971095a7-bab6-4c62-8f5c-146323dce32b/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c [2022-11-16 11:36:58,740 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971095a7-bab6-4c62-8f5c-146323dce32b/bin/uautomizer-tPACEb0tL8/data/578b0f94d/7289904c0e954ff3bfb92090a55ae05e/FLAG5c576a7f6 [2022-11-16 11:36:59,269 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:36:59,270 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971095a7-bab6-4c62-8f5c-146323dce32b/sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c [2022-11-16 11:36:59,283 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971095a7-bab6-4c62-8f5c-146323dce32b/bin/uautomizer-tPACEb0tL8/data/578b0f94d/7289904c0e954ff3bfb92090a55ae05e/FLAG5c576a7f6 [2022-11-16 11:36:59,608 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971095a7-bab6-4c62-8f5c-146323dce32b/bin/uautomizer-tPACEb0tL8/data/578b0f94d/7289904c0e954ff3bfb92090a55ae05e [2022-11-16 11:36:59,611 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:36:59,614 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:36:59,622 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:36:59,622 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:36:59,626 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:36:59,627 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:36:59" (1/1) ... [2022-11-16 11:36:59,628 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a1b75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:36:59, skipping insertion in model container [2022-11-16 11:36:59,629 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:36:59" (1/1) ... [2022-11-16 11:36:59,636 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:36:59,700 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:37:00,052 WARN L229 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_971095a7-bab6-4c62-8f5c-146323dce32b/sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c[17338,17351] [2022-11-16 11:37:00,064 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:37:00,073 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:37:00,138 WARN L229 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_971095a7-bab6-4c62-8f5c-146323dce32b/sv-benchmarks/c/product-lines/minepump_spec4_product56.cil.c[17338,17351] [2022-11-16 11:37:00,146 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:37:00,178 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:37:00,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:00 WrapperNode [2022-11-16 11:37:00,179 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:37:00,180 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:37:00,181 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:37:00,181 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:37:00,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:00" (1/1) ... [2022-11-16 11:37:00,215 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:00" (1/1) ... [2022-11-16 11:37:00,253 INFO L138 Inliner]: procedures = 58, calls = 161, calls flagged for inlining = 26, calls inlined = 23, statements flattened = 289 [2022-11-16 11:37:00,253 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:37:00,254 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:37:00,254 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:37:00,254 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:37:00,266 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:00" (1/1) ... [2022-11-16 11:37:00,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:00" (1/1) ... [2022-11-16 11:37:00,282 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:00" (1/1) ... [2022-11-16 11:37:00,292 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:00" (1/1) ... [2022-11-16 11:37:00,297 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:00" (1/1) ... [2022-11-16 11:37:00,302 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:00" (1/1) ... [2022-11-16 11:37:00,319 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:00" (1/1) ... [2022-11-16 11:37:00,320 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:00" (1/1) ... [2022-11-16 11:37:00,323 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:37:00,323 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:37:00,324 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:37:00,324 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:37:00,325 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:00" (1/1) ... [2022-11-16 11:37:00,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:37:00,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971095a7-bab6-4c62-8f5c-146323dce32b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:37:00,375 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971095a7-bab6-4c62-8f5c-146323dce32b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:37:00,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971095a7-bab6-4c62-8f5c-146323dce32b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:37:00,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:37:00,422 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-16 11:37:00,422 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-16 11:37:00,423 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-16 11:37:00,423 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-16 11:37:00,423 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-16 11:37:00,423 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-16 11:37:00,428 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-11-16 11:37:00,429 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-11-16 11:37:00,429 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-16 11:37:00,429 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-16 11:37:00,429 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2022-11-16 11:37:00,429 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2022-11-16 11:37:00,429 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-16 11:37:00,429 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-16 11:37:00,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:37:00,430 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-16 11:37:00,430 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-16 11:37:00,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:37:00,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:37:00,557 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:37:00,560 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:37:00,995 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:37:01,003 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:37:01,003 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 11:37:01,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:37:01 BoogieIcfgContainer [2022-11-16 11:37:01,006 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:37:01,008 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:37:01,008 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:37:01,013 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:37:01,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:36:59" (1/3) ... [2022-11-16 11:37:01,014 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45953dd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:37:01, skipping insertion in model container [2022-11-16 11:37:01,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:37:00" (2/3) ... [2022-11-16 11:37:01,015 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45953dd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:37:01, skipping insertion in model container [2022-11-16 11:37:01,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:37:01" (3/3) ... [2022-11-16 11:37:01,017 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product56.cil.c [2022-11-16 11:37:01,037 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:37:01,037 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:37:01,129 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:37:01,140 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;@5ee96066, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:37:01,140 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:37:01,144 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 75 states have (on average 1.3866666666666667) internal successors, (104), 86 states have internal predecessors, (104), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-16 11:37:01,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-16 11:37:01,156 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:37:01,157 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:37:01,157 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:37:01,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:37:01,166 INFO L85 PathProgramCache]: Analyzing trace with hash 975776348, now seen corresponding path program 1 times [2022-11-16 11:37:01,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:37:01,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12559794] [2022-11-16 11:37:01,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:37:01,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:37:01,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:01,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:37:01,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:37:01,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12559794] [2022-11-16 11:37:01,407 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12559794] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:37:01,407 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:37:01,407 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:37:01,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204487187] [2022-11-16 11:37:01,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:37:01,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 11:37:01,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:37:01,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 11:37:01,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 11:37:01,444 INFO L87 Difference]: Start difference. First operand has 100 states, 75 states have (on average 1.3866666666666667) internal successors, (104), 86 states have internal predecessors, (104), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:37:01,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:37:01,500 INFO L93 Difference]: Finished difference Result 192 states and 263 transitions. [2022-11-16 11:37:01,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 11:37:01,503 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-16 11:37:01,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:37:01,518 INFO L225 Difference]: With dead ends: 192 [2022-11-16 11:37:01,518 INFO L226 Difference]: Without dead ends: 91 [2022-11-16 11:37:01,525 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 11:37:01,530 INFO L413 NwaCegarLoop]: 128 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, 128 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 [2022-11-16 11:37:01,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:37:01,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-11-16 11:37:01,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2022-11-16 11:37:01,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 68 states have (on average 1.3235294117647058) internal successors, (90), 78 states have internal predecessors, (90), 15 states have call successors, (15), 8 states have call predecessors, (15), 7 states have return successors, (14), 9 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-16 11:37:01,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 119 transitions. [2022-11-16 11:37:01,578 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 119 transitions. Word has length 19 [2022-11-16 11:37:01,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:37:01,602 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 119 transitions. [2022-11-16 11:37:01,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:37:01,603 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 119 transitions. [2022-11-16 11:37:01,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-16 11:37:01,605 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:37:01,605 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] [2022-11-16 11:37:01,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:37:01,605 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:37:01,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:37:01,607 INFO L85 PathProgramCache]: Analyzing trace with hash -1543378342, now seen corresponding path program 1 times [2022-11-16 11:37:01,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:37:01,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062112136] [2022-11-16 11:37:01,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:37:01,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:37:01,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:01,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:37:01,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:37:01,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062112136] [2022-11-16 11:37:01,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062112136] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:37:01,818 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:37:01,819 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:37:01,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432612131] [2022-11-16 11:37:01,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:37:01,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:37:01,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:37:01,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:37:01,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:37:01,823 INFO L87 Difference]: Start difference. First operand 91 states and 119 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:37:01,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:37:01,843 INFO L93 Difference]: Finished difference Result 143 states and 187 transitions. [2022-11-16 11:37:01,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:37:01,844 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-11-16 11:37:01,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:37:01,846 INFO L225 Difference]: With dead ends: 143 [2022-11-16 11:37:01,846 INFO L226 Difference]: Without dead ends: 82 [2022-11-16 11:37:01,847 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:37:01,848 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 17 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 190 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 [2022-11-16 11:37:01,849 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 190 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:37:01,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-11-16 11:37:01,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2022-11-16 11:37:01,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 62 states have (on average 1.3387096774193548) internal successors, (83), 72 states have internal predecessors, (83), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 7 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-16 11:37:01,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 107 transitions. [2022-11-16 11:37:01,860 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 107 transitions. Word has length 20 [2022-11-16 11:37:01,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:37:01,861 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 107 transitions. [2022-11-16 11:37:01,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:37:01,862 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 107 transitions. [2022-11-16 11:37:01,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-16 11:37:01,863 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:37:01,863 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] [2022-11-16 11:37:01,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:37:01,864 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:37:01,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:37:01,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1300509367, now seen corresponding path program 1 times [2022-11-16 11:37:01,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:37:01,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655410212] [2022-11-16 11:37:01,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:37:01,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:37:01,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:37:02,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:37:02,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655410212] [2022-11-16 11:37:02,119 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655410212] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:37:02,119 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:37:02,119 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:37:02,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554385927] [2022-11-16 11:37:02,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:37:02,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:37:02,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:37:02,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:37:02,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:37:02,122 INFO L87 Difference]: Start difference. First operand 82 states and 107 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:37:02,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:37:02,223 INFO L93 Difference]: Finished difference Result 195 states and 258 transitions. [2022-11-16 11:37:02,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:37:02,224 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-11-16 11:37:02,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:37:02,226 INFO L225 Difference]: With dead ends: 195 [2022-11-16 11:37:02,226 INFO L226 Difference]: Without dead ends: 120 [2022-11-16 11:37:02,227 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-16 11:37:02,228 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 170 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:37:02,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 341 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:37:02,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2022-11-16 11:37:02,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 117. [2022-11-16 11:37:02,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 89 states have (on average 1.3595505617977528) internal successors, (121), 102 states have internal predecessors, (121), 16 states have call successors, (16), 11 states have call predecessors, (16), 11 states have return successors, (17), 10 states have call predecessors, (17), 16 states have call successors, (17) [2022-11-16 11:37:02,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 154 transitions. [2022-11-16 11:37:02,249 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 154 transitions. Word has length 25 [2022-11-16 11:37:02,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:37:02,249 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 154 transitions. [2022-11-16 11:37:02,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:37:02,250 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 154 transitions. [2022-11-16 11:37:02,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-16 11:37:02,252 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:37:02,253 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:37:02,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 11:37:02,253 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:37:02,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:37:02,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1710585576, now seen corresponding path program 1 times [2022-11-16 11:37:02,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:37:02,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648722481] [2022-11-16 11:37:02,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:37:02,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:37:02,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:37:02,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:37:02,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648722481] [2022-11-16 11:37:02,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648722481] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:37:02,454 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:37:02,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:37:02,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130568719] [2022-11-16 11:37:02,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:37:02,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:37:02,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:37:02,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:37:02,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:37:02,458 INFO L87 Difference]: Start difference. First operand 117 states and 154 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:37:02,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:37:02,574 INFO L93 Difference]: Finished difference Result 325 states and 449 transitions. [2022-11-16 11:37:02,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:37:02,577 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2022-11-16 11:37:02,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:37:02,582 INFO L225 Difference]: With dead ends: 325 [2022-11-16 11:37:02,582 INFO L226 Difference]: Without dead ends: 215 [2022-11-16 11:37:02,583 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:37:02,584 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 78 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:37:02,585 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 430 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 11:37:02,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2022-11-16 11:37:02,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2022-11-16 11:37:02,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 162 states have (on average 1.3395061728395061) internal successors, (217), 185 states have internal predecessors, (217), 32 states have call successors, (32), 22 states have call predecessors, (32), 20 states have return successors, (37), 18 states have call predecessors, (37), 32 states have call successors, (37) [2022-11-16 11:37:02,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 286 transitions. [2022-11-16 11:37:02,642 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 286 transitions. Word has length 28 [2022-11-16 11:37:02,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:37:02,643 INFO L495 AbstractCegarLoop]: Abstraction has 215 states and 286 transitions. [2022-11-16 11:37:02,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:37:02,643 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 286 transitions. [2022-11-16 11:37:02,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-16 11:37:02,652 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:37:02,652 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] [2022-11-16 11:37:02,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 11:37:02,653 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:37:02,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:37:02,655 INFO L85 PathProgramCache]: Analyzing trace with hash 298834221, now seen corresponding path program 1 times [2022-11-16 11:37:02,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:37:02,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266601417] [2022-11-16 11:37:02,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:37:02,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:37:02,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:02,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:37:02,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:37:02,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266601417] [2022-11-16 11:37:02,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266601417] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:37:02,758 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:37:02,758 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:37:02,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566698734] [2022-11-16 11:37:02,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:37:02,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:37:02,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:37:02,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:37:02,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:37:02,761 INFO L87 Difference]: Start difference. First operand 215 states and 286 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:37:02,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:37:02,823 INFO L93 Difference]: Finished difference Result 473 states and 648 transitions. [2022-11-16 11:37:02,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:37:02,826 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-16 11:37:02,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:37:02,832 INFO L225 Difference]: With dead ends: 473 [2022-11-16 11:37:02,832 INFO L226 Difference]: Without dead ends: 265 [2022-11-16 11:37:02,834 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:37:02,843 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 59 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:37:02,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 179 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:37:02,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2022-11-16 11:37:02,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 261. [2022-11-16 11:37:02,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 201 states have (on average 1.2835820895522387) internal successors, (258), 216 states have internal predecessors, (258), 31 states have call successors, (31), 29 states have call predecessors, (31), 28 states have return successors, (47), 28 states have call predecessors, (47), 31 states have call successors, (47) [2022-11-16 11:37:02,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 336 transitions. [2022-11-16 11:37:02,881 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 336 transitions. Word has length 30 [2022-11-16 11:37:02,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:37:02,882 INFO L495 AbstractCegarLoop]: Abstraction has 261 states and 336 transitions. [2022-11-16 11:37:02,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:37:02,882 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 336 transitions. [2022-11-16 11:37:02,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-16 11:37:02,884 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:37:02,884 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] [2022-11-16 11:37:02,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 11:37:02,885 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:37:02,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:37:02,886 INFO L85 PathProgramCache]: Analyzing trace with hash -1545723250, now seen corresponding path program 1 times [2022-11-16 11:37:02,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:37:02,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723323349] [2022-11-16 11:37:02,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:37:02,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:37:02,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:03,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:37:03,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:03,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:37:03,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:37:03,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723323349] [2022-11-16 11:37:03,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723323349] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:37:03,029 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:37:03,029 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:37:03,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128364424] [2022-11-16 11:37:03,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:37:03,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:37:03,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:37:03,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:37:03,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:37:03,031 INFO L87 Difference]: Start difference. First operand 261 states and 336 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 11:37:03,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:37:03,379 INFO L93 Difference]: Finished difference Result 313 states and 403 transitions. [2022-11-16 11:37:03,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 11:37:03,379 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2022-11-16 11:37:03,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:37:03,382 INFO L225 Difference]: With dead ends: 313 [2022-11-16 11:37:03,382 INFO L226 Difference]: Without dead ends: 311 [2022-11-16 11:37:03,383 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2022-11-16 11:37:03,391 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 145 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 11:37:03,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 316 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 260 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 11:37:03,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2022-11-16 11:37:03,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 294. [2022-11-16 11:37:03,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 226 states have (on average 1.2654867256637168) internal successors, (286), 247 states have internal predecessors, (286), 34 states have call successors, (34), 29 states have call predecessors, (34), 33 states have return successors, (57), 30 states have call predecessors, (57), 34 states have call successors, (57) [2022-11-16 11:37:03,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 377 transitions. [2022-11-16 11:37:03,449 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 377 transitions. Word has length 32 [2022-11-16 11:37:03,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:37:03,451 INFO L495 AbstractCegarLoop]: Abstraction has 294 states and 377 transitions. [2022-11-16 11:37:03,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 11:37:03,452 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 377 transitions. [2022-11-16 11:37:03,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-16 11:37:03,454 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:37:03,454 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:37:03,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 11:37:03,455 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:37:03,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:37:03,456 INFO L85 PathProgramCache]: Analyzing trace with hash -766960693, now seen corresponding path program 1 times [2022-11-16 11:37:03,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:37:03,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650693075] [2022-11-16 11:37:03,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:37:03,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:37:03,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:03,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:37:03,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:03,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-16 11:37:03,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:03,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:37:03,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:03,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:37:03,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:37:03,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650693075] [2022-11-16 11:37:03,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650693075] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:37:03,581 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:37:03,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 11:37:03,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043176186] [2022-11-16 11:37:03,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:37:03,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 11:37:03,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:37:03,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 11:37:03,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:37:03,583 INFO L87 Difference]: Start difference. First operand 294 states and 377 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-16 11:37:03,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:37:03,952 INFO L93 Difference]: Finished difference Result 641 states and 835 transitions. [2022-11-16 11:37:03,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 11:37:03,952 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 48 [2022-11-16 11:37:03,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:37:03,957 INFO L225 Difference]: With dead ends: 641 [2022-11-16 11:37:03,957 INFO L226 Difference]: Without dead ends: 354 [2022-11-16 11:37:03,959 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-11-16 11:37:03,962 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 147 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-16 11:37:03,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 319 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-16 11:37:03,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2022-11-16 11:37:04,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 324. [2022-11-16 11:37:04,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 251 states have (on average 1.250996015936255) internal successors, (314), 272 states have internal predecessors, (314), 34 states have call successors, (34), 29 states have call predecessors, (34), 38 states have return successors, (64), 34 states have call predecessors, (64), 34 states have call successors, (64) [2022-11-16 11:37:04,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 412 transitions. [2022-11-16 11:37:04,007 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 412 transitions. Word has length 48 [2022-11-16 11:37:04,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:37:04,008 INFO L495 AbstractCegarLoop]: Abstraction has 324 states and 412 transitions. [2022-11-16 11:37:04,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-16 11:37:04,008 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 412 transitions. [2022-11-16 11:37:04,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-16 11:37:04,009 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:37:04,010 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:37:04,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 11:37:04,010 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:37:04,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:37:04,011 INFO L85 PathProgramCache]: Analyzing trace with hash 1932063404, now seen corresponding path program 1 times [2022-11-16 11:37:04,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:37:04,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782206862] [2022-11-16 11:37:04,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:37:04,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:37:04,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:04,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:37:04,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:04,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-16 11:37:04,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:04,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:37:04,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:04,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:37:04,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:37:04,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782206862] [2022-11-16 11:37:04,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782206862] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:37:04,086 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:37:04,086 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:37:04,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627774795] [2022-11-16 11:37:04,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:37:04,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:37:04,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:37:04,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:37:04,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:37:04,093 INFO L87 Difference]: Start difference. First operand 324 states and 412 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 3 states have internal predecessors, (44), 3 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) [2022-11-16 11:37:04,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:37:04,364 INFO L93 Difference]: Finished difference Result 669 states and 847 transitions. [2022-11-16 11:37:04,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 11:37:04,365 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 3 states have internal predecessors, (44), 3 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 51 [2022-11-16 11:37:04,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:37:04,368 INFO L225 Difference]: With dead ends: 669 [2022-11-16 11:37:04,368 INFO L226 Difference]: Without dead ends: 352 [2022-11-16 11:37:04,369 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-16 11:37:04,369 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 170 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 11:37:04,370 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 251 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 11:37:04,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2022-11-16 11:37:04,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 324. [2022-11-16 11:37:04,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 251 states have (on average 1.2430278884462151) internal successors, (312), 272 states have internal predecessors, (312), 34 states have call successors, (34), 29 states have call predecessors, (34), 38 states have return successors, (60), 34 states have call predecessors, (60), 34 states have call successors, (60) [2022-11-16 11:37:04,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 406 transitions. [2022-11-16 11:37:04,405 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 406 transitions. Word has length 51 [2022-11-16 11:37:04,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:37:04,405 INFO L495 AbstractCegarLoop]: Abstraction has 324 states and 406 transitions. [2022-11-16 11:37:04,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 3 states have internal predecessors, (44), 3 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) [2022-11-16 11:37:04,406 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 406 transitions. [2022-11-16 11:37:04,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-16 11:37:04,407 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:37:04,407 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:37:04,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 11:37:04,407 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:37:04,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:37:04,407 INFO L85 PathProgramCache]: Analyzing trace with hash -1788029047, now seen corresponding path program 1 times [2022-11-16 11:37:04,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:37:04,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609216795] [2022-11-16 11:37:04,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:37:04,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:37:04,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:04,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:37:04,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:04,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-16 11:37:04,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:04,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:37:04,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:04,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:37:04,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:37:04,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609216795] [2022-11-16 11:37:04,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609216795] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:37:04,584 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:37:04,584 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-16 11:37:04,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214749193] [2022-11-16 11:37:04,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:37:04,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 11:37:04,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:37:04,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 11:37:04,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-16 11:37:04,585 INFO L87 Difference]: Start difference. First operand 324 states and 406 transitions. Second operand has 8 states, 8 states have (on average 5.125) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-16 11:37:04,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:37:04,925 INFO L93 Difference]: Finished difference Result 637 states and 817 transitions. [2022-11-16 11:37:04,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 11:37:04,925 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 48 [2022-11-16 11:37:04,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:37:04,929 INFO L225 Difference]: With dead ends: 637 [2022-11-16 11:37:04,929 INFO L226 Difference]: Without dead ends: 320 [2022-11-16 11:37:04,930 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2022-11-16 11:37:04,932 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 205 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 372 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-16 11:37:04,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 319 Invalid, 441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 372 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-16 11:37:04,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2022-11-16 11:37:04,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 266. [2022-11-16 11:37:04,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 206 states have (on average 1.2378640776699028) internal successors, (255), 223 states have internal predecessors, (255), 29 states have call successors, (29), 25 states have call predecessors, (29), 30 states have return successors, (46), 27 states have call predecessors, (46), 29 states have call successors, (46) [2022-11-16 11:37:04,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 330 transitions. [2022-11-16 11:37:04,970 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 330 transitions. Word has length 48 [2022-11-16 11:37:04,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:37:04,971 INFO L495 AbstractCegarLoop]: Abstraction has 266 states and 330 transitions. [2022-11-16 11:37:04,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.125) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-16 11:37:04,971 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 330 transitions. [2022-11-16 11:37:04,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-16 11:37:04,972 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:37:04,972 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:37:04,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-16 11:37:04,972 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:37:04,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:37:04,973 INFO L85 PathProgramCache]: Analyzing trace with hash 512793543, now seen corresponding path program 1 times [2022-11-16 11:37:04,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:37:04,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794748723] [2022-11-16 11:37:04,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:37:04,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:37:04,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:05,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:37:05,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:05,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-16 11:37:05,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:05,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:37:05,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:05,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:37:05,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:37:05,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794748723] [2022-11-16 11:37:05,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794748723] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:37:05,154 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:37:05,155 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 11:37:05,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838211445] [2022-11-16 11:37:05,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:37:05,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 11:37:05,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:37:05,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 11:37:05,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-16 11:37:05,156 INFO L87 Difference]: Start difference. First operand 266 states and 330 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-16 11:37:05,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:37:05,657 INFO L93 Difference]: Finished difference Result 591 states and 775 transitions. [2022-11-16 11:37:05,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-16 11:37:05,658 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 48 [2022-11-16 11:37:05,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:37:05,660 INFO L225 Difference]: With dead ends: 591 [2022-11-16 11:37:05,660 INFO L226 Difference]: Without dead ends: 405 [2022-11-16 11:37:05,661 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 8 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2022-11-16 11:37:05,662 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 220 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 431 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-16 11:37:05,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 429 Invalid, 509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 431 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-16 11:37:05,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2022-11-16 11:37:05,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 394. [2022-11-16 11:37:05,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 306 states have (on average 1.2189542483660132) internal successors, (373), 328 states have internal predecessors, (373), 43 states have call successors, (43), 38 states have call predecessors, (43), 44 states have return successors, (81), 44 states have call predecessors, (81), 43 states have call successors, (81) [2022-11-16 11:37:05,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 497 transitions. [2022-11-16 11:37:05,705 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 497 transitions. Word has length 48 [2022-11-16 11:37:05,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:37:05,706 INFO L495 AbstractCegarLoop]: Abstraction has 394 states and 497 transitions. [2022-11-16 11:37:05,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-16 11:37:05,706 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 497 transitions. [2022-11-16 11:37:05,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-11-16 11:37:05,708 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:37:05,708 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:37:05,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-16 11:37:05,709 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:37:05,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:37:05,709 INFO L85 PathProgramCache]: Analyzing trace with hash -1953453445, now seen corresponding path program 1 times [2022-11-16 11:37:05,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:37:05,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136153742] [2022-11-16 11:37:05,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:37:05,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:37:05,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:05,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:37:05,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:05,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-16 11:37:05,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:05,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:37:05,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:05,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:37:05,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:05,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 11:37:05,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:05,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-16 11:37:05,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:05,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:37:05,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:05,953 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-16 11:37:05,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:37:05,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136153742] [2022-11-16 11:37:05,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136153742] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:37:05,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [202394751] [2022-11-16 11:37:05,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:37:05,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:37:05,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971095a7-bab6-4c62-8f5c-146323dce32b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:37:05,961 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971095a7-bab6-4c62-8f5c-146323dce32b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:37:05,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971095a7-bab6-4c62-8f5c-146323dce32b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 11:37:06,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:06,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-16 11:37:06,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:37:06,249 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:37:06,250 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:37:06,443 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-16 11:37:06,443 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [202394751] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:37:06,444 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 11:37:06,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6] total 9 [2022-11-16 11:37:06,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319778742] [2022-11-16 11:37:06,444 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 11:37:06,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 11:37:06,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:37:06,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 11:37:06,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-11-16 11:37:06,448 INFO L87 Difference]: Start difference. First operand 394 states and 497 transitions. Second operand has 9 states, 9 states have (on average 10.0) internal successors, (90), 6 states have internal predecessors, (90), 3 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-16 11:37:07,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:37:07,315 INFO L93 Difference]: Finished difference Result 938 states and 1245 transitions. [2022-11-16 11:37:07,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-16 11:37:07,316 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.0) internal successors, (90), 6 states have internal predecessors, (90), 3 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) Word has length 91 [2022-11-16 11:37:07,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:37:07,320 INFO L225 Difference]: With dead ends: 938 [2022-11-16 11:37:07,320 INFO L226 Difference]: Without dead ends: 624 [2022-11-16 11:37:07,321 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 194 SyntacticMatches, 9 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=227, Invalid=585, Unknown=0, NotChecked=0, Total=812 [2022-11-16 11:37:07,322 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 373 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 644 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 379 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-16 11:37:07,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [379 Valid, 515 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 644 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-16 11:37:07,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 624 states. [2022-11-16 11:37:07,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 624 to 540. [2022-11-16 11:37:07,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 415 states have (on average 1.2265060240963856) internal successors, (509), 447 states have internal predecessors, (509), 62 states have call successors, (62), 54 states have call predecessors, (62), 62 states have return successors, (124), 59 states have call predecessors, (124), 62 states have call successors, (124) [2022-11-16 11:37:07,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 695 transitions. [2022-11-16 11:37:07,383 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 695 transitions. Word has length 91 [2022-11-16 11:37:07,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:37:07,384 INFO L495 AbstractCegarLoop]: Abstraction has 540 states and 695 transitions. [2022-11-16 11:37:07,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.0) internal successors, (90), 6 states have internal predecessors, (90), 3 states have call successors, (17), 6 states have call predecessors, (17), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-16 11:37:07,385 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 695 transitions. [2022-11-16 11:37:07,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-11-16 11:37:07,393 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:37:07,393 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-11-16 11:37:07,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971095a7-bab6-4c62-8f5c-146323dce32b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-16 11:37:07,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971095a7-bab6-4c62-8f5c-146323dce32b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-16 11:37:07,600 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:37:07,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:37:07,600 INFO L85 PathProgramCache]: Analyzing trace with hash -91360441, now seen corresponding path program 2 times [2022-11-16 11:37:07,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:37:07,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470315297] [2022-11-16 11:37:07,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:37:07,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:37:07,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:07,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:37:07,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:07,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-16 11:37:07,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:07,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:37:07,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:07,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:37:07,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:07,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-16 11:37:07,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:07,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:37:07,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:08,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-16 11:37:08,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:08,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:37:08,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:08,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-16 11:37:08,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:08,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-16 11:37:08,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:08,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:37:08,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:08,062 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 52 proven. 23 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-16 11:37:08,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:37:08,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470315297] [2022-11-16 11:37:08,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470315297] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:37:08,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1158416870] [2022-11-16 11:37:08,063 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 11:37:08,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:37:08,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971095a7-bab6-4c62-8f5c-146323dce32b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:37:08,064 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971095a7-bab6-4c62-8f5c-146323dce32b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:37:08,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971095a7-bab6-4c62-8f5c-146323dce32b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 11:37:08,228 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-16 11:37:08,228 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 11:37:08,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-16 11:37:08,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:37:08,402 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-16 11:37:08,402 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:37:08,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1158416870] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:37:08,403 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 11:37:08,403 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 14 [2022-11-16 11:37:08,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723231959] [2022-11-16 11:37:08,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:37:08,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:37:08,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:37:08,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:37:08,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2022-11-16 11:37:08,405 INFO L87 Difference]: Start difference. First operand 540 states and 695 transitions. Second operand has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 6 states have internal predecessors, (101), 3 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-16 11:37:08,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:37:08,810 INFO L93 Difference]: Finished difference Result 1431 states and 1922 transitions. [2022-11-16 11:37:08,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 11:37:08,811 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 6 states have internal predecessors, (101), 3 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 134 [2022-11-16 11:37:08,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:37:08,816 INFO L225 Difference]: With dead ends: 1431 [2022-11-16 11:37:08,816 INFO L226 Difference]: Without dead ends: 970 [2022-11-16 11:37:08,818 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 154 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=268, Unknown=0, NotChecked=0, Total=342 [2022-11-16 11:37:08,819 INFO L413 NwaCegarLoop]: 190 mSDtfsCounter, 194 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 724 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 11:37:08,819 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 724 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 11:37:08,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 970 states. [2022-11-16 11:37:08,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 970 to 947. [2022-11-16 11:37:08,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 947 states, 729 states have (on average 1.2263374485596708) internal successors, (894), 776 states have internal predecessors, (894), 106 states have call successors, (106), 95 states have call predecessors, (106), 111 states have return successors, (202), 108 states have call predecessors, (202), 106 states have call successors, (202) [2022-11-16 11:37:08,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 947 states and 1202 transitions. [2022-11-16 11:37:08,910 INFO L78 Accepts]: Start accepts. Automaton has 947 states and 1202 transitions. Word has length 134 [2022-11-16 11:37:08,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:37:08,911 INFO L495 AbstractCegarLoop]: Abstraction has 947 states and 1202 transitions. [2022-11-16 11:37:08,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 6 states have internal predecessors, (101), 3 states have call successors, (11), 4 states have call predecessors, (11), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-16 11:37:08,911 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1202 transitions. [2022-11-16 11:37:08,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-11-16 11:37:08,914 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:37:08,914 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:37:08,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971095a7-bab6-4c62-8f5c-146323dce32b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 11:37:09,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971095a7-bab6-4c62-8f5c-146323dce32b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-16 11:37:09,121 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:37:09,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:37:09,121 INFO L85 PathProgramCache]: Analyzing trace with hash -145753339, now seen corresponding path program 1 times [2022-11-16 11:37:09,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:37:09,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267672173] [2022-11-16 11:37:09,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:37:09,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:37:09,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:09,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-16 11:37:09,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:09,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-16 11:37:09,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:09,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:37:09,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:09,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:37:09,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:09,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-16 11:37:09,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:09,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:37:09,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:09,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-16 11:37:09,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:09,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:37:09,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:09,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-16 11:37:09,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:09,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-16 11:37:09,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:09,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:37:09,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:09,319 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 45 proven. 6 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-11-16 11:37:09,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:37:09,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267672173] [2022-11-16 11:37:09,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267672173] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:37:09,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1994377115] [2022-11-16 11:37:09,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:37:09,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:37:09,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971095a7-bab6-4c62-8f5c-146323dce32b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:37:09,321 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971095a7-bab6-4c62-8f5c-146323dce32b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:37:09,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971095a7-bab6-4c62-8f5c-146323dce32b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-16 11:37:09,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:37:09,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 572 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 11:37:09,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:37:09,483 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-11-16 11:37:09,483 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:37:09,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1994377115] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:37:09,484 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 11:37:09,484 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 8 [2022-11-16 11:37:09,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375248337] [2022-11-16 11:37:09,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:37:09,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:37:09,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:37:09,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:37:09,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-16 11:37:09,488 INFO L87 Difference]: Start difference. First operand 947 states and 1202 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-16 11:37:09,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:37:09,556 INFO L93 Difference]: Finished difference Result 1310 states and 1649 transitions. [2022-11-16 11:37:09,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:37:09,557 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 134 [2022-11-16 11:37:09,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:37:09,558 INFO L225 Difference]: With dead ends: 1310 [2022-11-16 11:37:09,558 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 11:37:09,563 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-16 11:37:09,564 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 9 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:37:09,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 403 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:37:09,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 11:37:09,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 11:37:09,565 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) [2022-11-16 11:37:09,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 11:37:09,565 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 134 [2022-11-16 11:37:09,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:37:09,566 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:37:09,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-16 11:37:09,566 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 11:37:09,566 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 11:37:09,569 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 11:37:09,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971095a7-bab6-4c62-8f5c-146323dce32b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-16 11:37:09,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971095a7-bab6-4c62-8f5c-146323dce32b/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-16 11:37:09,777 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-16 11:37:12,941 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 183 190) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0)) [2022-11-16 11:37:12,941 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 183 190) no Hoare annotation was computed. [2022-11-16 11:37:12,941 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 183 190) no Hoare annotation was computed. [2022-11-16 11:37:12,941 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 90 96) no Hoare annotation was computed. [2022-11-16 11:37:12,942 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 90 96) the Hoare annotation is: true [2022-11-16 11:37:12,942 INFO L899 garLoopResultBuilder]: For program point L913-1(lines 909 920) no Hoare annotation was computed. [2022-11-16 11:37:12,942 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 909 920) the Hoare annotation is: true [2022-11-16 11:37:12,942 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 909 920) no Hoare annotation was computed. [2022-11-16 11:37:12,942 INFO L902 garLoopResultBuilder]: At program point L801(lines 776 805) the Hoare annotation is: true [2022-11-16 11:37:12,942 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 776 805) no Hoare annotation was computed. [2022-11-16 11:37:12,942 INFO L899 garLoopResultBuilder]: For program point L797(line 797) no Hoare annotation was computed. [2022-11-16 11:37:12,942 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 776 805) the Hoare annotation is: true [2022-11-16 11:37:12,942 INFO L899 garLoopResultBuilder]: For program point L790(lines 790 794) no Hoare annotation was computed. [2022-11-16 11:37:12,942 INFO L902 garLoopResultBuilder]: At program point L790-1(lines 790 794) the Hoare annotation is: true [2022-11-16 11:37:12,943 INFO L899 garLoopResultBuilder]: For program point L787(line 787) no Hoare annotation was computed. [2022-11-16 11:37:12,943 INFO L902 garLoopResultBuilder]: At program point L786-2(lines 786 800) the Hoare annotation is: true [2022-11-16 11:37:12,943 INFO L902 garLoopResultBuilder]: At program point L782(line 782) the Hoare annotation is: true [2022-11-16 11:37:12,943 INFO L899 garLoopResultBuilder]: For program point L782-1(line 782) no Hoare annotation was computed. [2022-11-16 11:37:12,943 INFO L899 garLoopResultBuilder]: For program point L878(line 878) no Hoare annotation was computed. [2022-11-16 11:37:12,943 INFO L899 garLoopResultBuilder]: For program point L77-1(lines 77 83) no Hoare annotation was computed. [2022-11-16 11:37:12,943 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 66 89) no Hoare annotation was computed. [2022-11-16 11:37:12,943 INFO L895 garLoopResultBuilder]: At program point L164(line 164) the Hoare annotation is: (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|)))) [2022-11-16 11:37:12,943 INFO L895 garLoopResultBuilder]: At program point L160(line 160) the Hoare annotation is: (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|)))) [2022-11-16 11:37:12,944 INFO L895 garLoopResultBuilder]: At program point L879(lines 874 881) the Hoare annotation is: (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) (or (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|)))) [2022-11-16 11:37:12,944 INFO L895 garLoopResultBuilder]: At program point L169(line 169) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= 1 |old(~waterLevel~0)|))) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse2) (or .cse0 .cse2 (not .cse3)) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) .cse3 (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-16 11:37:12,944 INFO L895 garLoopResultBuilder]: At program point L169-1(lines 150 174) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (not (<= 1 |old(~waterLevel~0)|))) (.cse3 (<= 2 ~waterLevel~0))) (and (or .cse0 .cse1 (not .cse2)) (or .cse3 .cse2 (and .cse4 (<= 1 ~waterLevel~0)) (not (<= 2 |old(~waterLevel~0)|))) (let ((.cse5 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 (and .cse4 .cse5) .cse1 (and .cse3 .cse5))))) [2022-11-16 11:37:12,944 INFO L895 garLoopResultBuilder]: At program point L198(lines 191 201) the Hoare annotation is: (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|)))) [2022-11-16 11:37:12,944 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 69 88) no Hoare annotation was computed. [2022-11-16 11:37:12,945 INFO L895 garLoopResultBuilder]: At program point L958(lines 953 961) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse3 (<= 1 |timeShift_getWaterLevel_#res#1|)) (.cse5 (= 0 ~systemActive~0)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (<= 2 |timeShift_getWaterLevel_#res#1|)) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 (and .cse2 (= ~waterLevel~0 1))) (or .cse0 (and .cse2 .cse3 .cse4) (not .cse5) .cse6) (or (and (<= 2 ~waterLevel~0) .cse7) (and .cse2 (<= 1 ~waterLevel~0) .cse3) .cse5 .cse6) (or .cse0 .cse5 (and .cse4 .cse7) .cse6) (or .cse0 .cse1 (= |timeShift_getWaterLevel_#res#1| 1)))) [2022-11-16 11:37:12,945 INFO L895 garLoopResultBuilder]: At program point L207(lines 202 210) the Hoare annotation is: (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) (or (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|)))) [2022-11-16 11:37:12,945 INFO L895 garLoopResultBuilder]: At program point L926(lines 921 929) the Hoare annotation is: (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|)))) [2022-11-16 11:37:12,945 INFO L899 garLoopResultBuilder]: For program point L158(lines 158 166) no Hoare annotation was computed. [2022-11-16 11:37:12,945 INFO L899 garLoopResultBuilder]: For program point L154(lines 154 171) no Hoare annotation was computed. [2022-11-16 11:37:12,945 INFO L899 garLoopResultBuilder]: For program point L889(lines 889 893) no Hoare annotation was computed. [2022-11-16 11:37:12,945 INFO L899 garLoopResultBuilder]: For program point L761(lines 761 767) no Hoare annotation was computed. [2022-11-16 11:37:12,946 INFO L895 garLoopResultBuilder]: At program point L889-2(lines 885 896) the Hoare annotation is: (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|)))) [2022-11-16 11:37:12,946 INFO L899 garLoopResultBuilder]: For program point L757(lines 757 770) no Hoare annotation was computed. [2022-11-16 11:37:12,946 INFO L895 garLoopResultBuilder]: At program point L757-1(lines 749 773) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0)) (.cse9 (<= 2 ~waterLevel~0)) (.cse12 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse10 (<= 2 |timeShift_getWaterLevel_#res#1|)) (.cse11 (<= 2 |timeShift___utac_acc__Specification4_spec__1_~tmp~9#1|))) (let ((.cse1 (and .cse9 .cse12 .cse10 .cse11)) (.cse4 (and .cse6 .cse12)) (.cse5 (not (<= 1 |old(~waterLevel~0)|))) (.cse2 (= 0 ~systemActive~0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (<= 1 |timeShift___utac_acc__Specification4_spec__1_~tmp~9#1|)) (.cse8 (<= 1 |timeShift_getWaterLevel_#res#1|)) (.cse3 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and (= |timeShift___utac_acc__Specification4_spec__1_~tmp~9#1| 1) (= |timeShift_getWaterLevel_#res#1| 1))) (or .cse0 .cse4 .cse5 .cse1) (or .cse0 .cse4 .cse5 (not .cse2)) (or (and .cse6 .cse7 (<= 1 ~waterLevel~0) .cse8) (and .cse9 .cse10 .cse11) .cse2 .cse3) (or .cse0 (and .cse7 .cse8) .cse3)))) [2022-11-16 11:37:12,946 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 66 89) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 (= ~waterLevel~0 1))) (or .cse0 (and .cse1 .cse2) .cse3) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2) (= 0 ~systemActive~0) .cse3))) [2022-11-16 11:37:12,946 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 66 89) no Hoare annotation was computed. [2022-11-16 11:37:12,946 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2022-11-16 11:37:12,947 INFO L895 garLoopResultBuilder]: At program point L700(line 700) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (= |ULTIMATE.start_main_~tmp~10#1| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse3 .cse4 (not (= 0 ~systemActive~0))) (and .cse0 .cse1 .cse3 (= ~waterLevel~0 1) .cse4))) [2022-11-16 11:37:12,947 INFO L895 garLoopResultBuilder]: At program point L738(lines 687 739) the Hoare annotation is: false [2022-11-16 11:37:12,947 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-16 11:37:12,947 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-16 11:37:12,947 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-16 11:37:12,947 INFO L899 garLoopResultBuilder]: For program point L726(lines 726 732) no Hoare annotation was computed. [2022-11-16 11:37:12,947 INFO L895 garLoopResultBuilder]: At program point L726-2(lines 718 733) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (= |ULTIMATE.start_main_~tmp~10#1| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse3 .cse4 (not (= 0 ~systemActive~0))) (and .cse0 .cse1 .cse3 (= ~waterLevel~0 1) .cse4))) [2022-11-16 11:37:12,947 INFO L899 garLoopResultBuilder]: For program point L689(lines 688 737) no Hoare annotation was computed. [2022-11-16 11:37:12,948 INFO L895 garLoopResultBuilder]: At program point L305(lines 300 307) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (= |ULTIMATE.start_main_~tmp~10#1| 1)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (= ~pumpRunning~0 0) .cse0 .cse1 (<= 1 ~waterLevel~0) .cse2 .cse3))) [2022-11-16 11:37:12,948 INFO L899 garLoopResultBuilder]: For program point L718(lines 718 733) no Hoare annotation was computed. [2022-11-16 11:37:12,948 INFO L895 garLoopResultBuilder]: At program point L297(lines 285 299) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (= 0 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_main_~tmp~10#1| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1) .cse4) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4))) [2022-11-16 11:37:12,948 INFO L895 garLoopResultBuilder]: At program point L710(line 710) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (= |ULTIMATE.start_main_~tmp~10#1| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse3 .cse4 (not (= 0 ~systemActive~0))) (and .cse0 .cse1 .cse3 (= ~waterLevel~0 1) .cse4))) [2022-11-16 11:37:12,948 INFO L895 garLoopResultBuilder]: At program point L834(lines 830 836) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= ~waterLevel~0 1) (= |ULTIMATE.start_main_~tmp~10#1| 1) (not (= 0 ~systemActive~0))) [2022-11-16 11:37:12,948 INFO L899 garLoopResultBuilder]: For program point L289(lines 289 295) no Hoare annotation was computed. [2022-11-16 11:37:12,948 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-16 11:37:12,948 INFO L899 garLoopResultBuilder]: For program point L289-1(lines 289 295) no Hoare annotation was computed. [2022-11-16 11:37:12,948 INFO L895 garLoopResultBuilder]: At program point L735(lines 688 737) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (= |ULTIMATE.start_main_~tmp~10#1| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse3 .cse4 (not (= 0 ~systemActive~0))) (and .cse0 .cse1 .cse3 (= ~waterLevel~0 1) .cse4))) [2022-11-16 11:37:12,949 INFO L899 garLoopResultBuilder]: For program point L698(lines 698 704) no Hoare annotation was computed. [2022-11-16 11:37:12,949 INFO L899 garLoopResultBuilder]: For program point L698-1(lines 698 704) no Hoare annotation was computed. [2022-11-16 11:37:12,949 INFO L895 garLoopResultBuilder]: At program point L1016(lines 1011 1019) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-16 11:37:12,949 INFO L899 garLoopResultBuilder]: For program point L690(lines 690 694) no Hoare annotation was computed. [2022-11-16 11:37:12,949 INFO L895 garLoopResultBuilder]: At program point L1008(lines 1004 1010) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-16 11:37:12,949 INFO L899 garLoopResultBuilder]: For program point L860(lines 860 867) no Hoare annotation was computed. [2022-11-16 11:37:12,955 INFO L899 garLoopResultBuilder]: For program point L860-2(lines 860 867) no Hoare annotation was computed. [2022-11-16 11:37:12,955 INFO L902 garLoopResultBuilder]: At program point L844(lines 837 846) the Hoare annotation is: true [2022-11-16 11:37:12,956 INFO L895 garLoopResultBuilder]: At program point L1001(lines 997 1003) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-16 11:37:12,956 INFO L902 garLoopResultBuilder]: At program point L741(lines 678 745) the Hoare annotation is: true [2022-11-16 11:37:12,956 INFO L902 garLoopResultBuilder]: At program point L869(lines 850 872) the Hoare annotation is: true [2022-11-16 11:37:12,956 INFO L899 garLoopResultBuilder]: For program point L708(lines 708 714) no Hoare annotation was computed. [2022-11-16 11:37:12,957 INFO L899 garLoopResultBuilder]: For program point L708-1(lines 708 714) no Hoare annotation was computed. [2022-11-16 11:37:12,958 INFO L895 garLoopResultBuilder]: At program point L291(line 291) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res#1| 1) (<= 2 ~waterLevel~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~10#1| 1) (not (= 0 ~systemActive~0))) [2022-11-16 11:37:12,959 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 98 122) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0)) [2022-11-16 11:37:12,959 INFO L899 garLoopResultBuilder]: For program point L256(lines 256 260) no Hoare annotation was computed. [2022-11-16 11:37:12,959 INFO L899 garLoopResultBuilder]: For program point L256-2(lines 256 260) no Hoare annotation was computed. [2022-11-16 11:37:12,959 INFO L895 garLoopResultBuilder]: At program point L180(lines 175 182) the Hoare annotation is: (or (not (= ~waterLevel~0 1)) (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-11-16 11:37:12,959 INFO L895 garLoopResultBuilder]: At program point L112(line 112) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= ~waterLevel~0 1)) .cse0 (and (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~3#1| 0))) .cse1) (or .cse0 (not (<= 1 ~waterLevel~0)) (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| 0)) .cse1))) [2022-11-16 11:37:12,960 INFO L895 garLoopResultBuilder]: At program point L971(lines 962 975) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~waterLevel~0)) (and .cse0 (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0))) (and .cse0 (<= 2 ~waterLevel~0)) (= 0 ~systemActive~0))) [2022-11-16 11:37:12,960 INFO L899 garLoopResultBuilder]: For program point L106(lines 106 114) no Hoare annotation was computed. [2022-11-16 11:37:12,960 INFO L899 garLoopResultBuilder]: For program point L102(lines 102 119) no Hoare annotation was computed. [2022-11-16 11:37:12,960 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 98 122) no Hoare annotation was computed. [2022-11-16 11:37:12,960 INFO L895 garLoopResultBuilder]: At program point L117(line 117) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0)) [2022-11-16 11:37:12,961 INFO L899 garLoopResultBuilder]: For program point L117-1(lines 98 122) no Hoare annotation was computed. [2022-11-16 11:37:12,961 INFO L899 garLoopResultBuilder]: For program point L966(lines 966 972) no Hoare annotation was computed. [2022-11-16 11:37:12,961 INFO L895 garLoopResultBuilder]: At program point L262(lines 247 265) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or (not (= ~waterLevel~0 1)) .cse0 (and .cse1 (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~0#1| 0) (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~3#1| 0))) .cse2))) [2022-11-16 11:37:12,961 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 897 908) no Hoare annotation was computed. [2022-11-16 11:37:12,961 INFO L899 garLoopResultBuilder]: For program point L901-1(lines 897 908) no Hoare annotation was computed. [2022-11-16 11:37:12,961 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 897 908) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not (= ~pumpRunning~0 0)) (not (<= 1 |old(~waterLevel~0)|)) .cse0) (or .cse0 (= 0 ~systemActive~0) (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-16 11:37:12,962 INFO L899 garLoopResultBuilder]: For program point L128(lines 128 145) no Hoare annotation was computed. [2022-11-16 11:37:12,962 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 124 148) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0)) [2022-11-16 11:37:12,962 INFO L895 garLoopResultBuilder]: At program point L281(lines 266 284) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 |processEnvironment__wrappee__lowWaterSensor_isLowWaterLevel_#res#1|) (<= 1 |processEnvironment__wrappee__lowWaterSensor_isLowWaterLevel_~tmp___0~1#1|) (= |processEnvironment__wrappee__lowWaterSensor_isLowWaterLevel_~tmp~4#1| 0) (= |processEnvironment__wrappee__lowWaterSensor_isLowWaterSensorDry_#res#1| 0)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-11-16 11:37:12,963 INFO L895 garLoopResultBuilder]: At program point L981(lines 976 984) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |processEnvironment__wrappee__lowWaterSensor_isLowWaterSensorDry_#res#1| 0)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-11-16 11:37:12,963 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 279) no Hoare annotation was computed. [2022-11-16 11:37:12,963 INFO L899 garLoopResultBuilder]: For program point L275-2(lines 275 279) no Hoare annotation was computed. [2022-11-16 11:37:12,963 INFO L895 garLoopResultBuilder]: At program point L143(line 143) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0)) (= 0 ~systemActive~0)) [2022-11-16 11:37:12,963 INFO L899 garLoopResultBuilder]: For program point L143-1(lines 124 148) no Hoare annotation was computed. [2022-11-16 11:37:12,963 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 124 148) no Hoare annotation was computed. [2022-11-16 11:37:12,964 INFO L895 garLoopResultBuilder]: At program point L138(line 138) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0)) [2022-11-16 11:37:12,965 INFO L895 garLoopResultBuilder]: At program point L134(line 134) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 |processEnvironment__wrappee__lowWaterSensor_isLowWaterLevel_#res#1|) (<= 1 |processEnvironment__wrappee__lowWaterSensor_isLowWaterLevel_~tmp___0~1#1|) (= |processEnvironment__wrappee__lowWaterSensor_isLowWaterLevel_~tmp~4#1| 0) (= |processEnvironment__wrappee__lowWaterSensor_isLowWaterSensorDry_#res#1| 0) (<= 1 |processEnvironment__wrappee__lowWaterSensor_~tmp~1#1|)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-11-16 11:37:12,965 INFO L899 garLoopResultBuilder]: For program point L132(lines 132 140) no Hoare annotation was computed. [2022-11-16 11:37:12,968 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:37:12,971 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:37:13,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:37:13 BoogieIcfgContainer [2022-11-16 11:37:13,003 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:37:13,003 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:37:13,016 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:37:13,016 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:37:13,017 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:37:01" (3/4) ... [2022-11-16 11:37:13,020 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 11:37:13,026 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-16 11:37:13,026 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-16 11:37:13,026 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-16 11:37:13,026 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-16 11:37:13,026 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-16 11:37:13,027 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-11-16 11:37:13,027 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-16 11:37:13,027 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2022-11-16 11:37:13,034 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2022-11-16 11:37:13,042 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-16 11:37:13,042 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-16 11:37:13,043 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-16 11:37:13,043 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 11:37:13,044 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 11:37:13,048 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 11:37:13,082 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2022-11-16 11:37:13,082 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && waterLevel == 1) && tmp == 1) && !(0 == systemActive) [2022-11-16 11:37:13,083 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) || ((((\result == 1 && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive))) || ((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && waterLevel == 1) && tmp == 1) [2022-11-16 11:37:13,085 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (((pumpRunning == \old(pumpRunning) && 1 <= waterLevel) || 0 == systemActive) || !(2 <= \old(waterLevel))) [2022-11-16 11:37:13,086 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(0 == systemActive)) && (((2 <= waterLevel || 0 == systemActive) || (pumpRunning == 0 && 1 <= waterLevel)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 <= \old(waterLevel))) || (2 <= waterLevel && \old(waterLevel) == waterLevel)) [2022-11-16 11:37:13,087 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive)) || (((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 1) && !(0 == systemActive)) [2022-11-16 11:37:13,087 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (pumpRunning == 0 && waterLevel == 1)) && (((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && 1 <= \result) && \old(waterLevel) == waterLevel)) || !(0 == systemActive)) || !(2 <= \old(waterLevel)))) && ((((2 <= waterLevel && 2 <= \result) || ((pumpRunning == 0 && 1 <= waterLevel) && 1 <= \result)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || 0 == systemActive) || (\old(waterLevel) == waterLevel && 2 <= \result)) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || \result == 1) [2022-11-16 11:37:13,088 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (((pumpRunning == \old(pumpRunning) && 1 <= waterLevel) || 0 == systemActive) || !(2 <= \old(waterLevel))) [2022-11-16 11:37:13,088 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && 0 == systemActive) && waterLevel == 1) && tmp == 1) || (((((pumpRunning == 0 && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && 0 == systemActive) && tmp == 1) [2022-11-16 11:37:13,089 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || (((2 <= waterLevel && \old(waterLevel) == waterLevel) && 2 <= \result) && 2 <= tmp)) || 0 == systemActive) || !(2 <= \old(waterLevel))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (tmp == 1 && \result == 1))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 <= \old(waterLevel))) || (((2 <= waterLevel && \old(waterLevel) == waterLevel) && 2 <= \result) && 2 <= tmp))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 <= \old(waterLevel))) || !(0 == systemActive))) && ((((((pumpRunning == 0 && 1 <= tmp) && 1 <= waterLevel) && 1 <= \result) || ((2 <= waterLevel && 2 <= \result) && 2 <= tmp)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || (1 <= tmp && 1 <= \result)) || !(2 <= \old(waterLevel))) [2022-11-16 11:37:13,089 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (((pumpRunning == \old(pumpRunning) && 1 <= waterLevel) || 0 == systemActive) || !(2 <= \old(waterLevel))) [2022-11-16 11:37:13,089 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(1 <= waterLevel) || (pumpRunning == \old(pumpRunning) && \result == 0)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || 0 == systemActive) [2022-11-16 11:37:13,089 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (0 == systemActive || !(2 <= \old(waterLevel))) [2022-11-16 11:37:13,090 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || (pumpRunning == 0 && !(\result == 0))) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive [2022-11-16 11:37:13,090 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(1 <= waterLevel) || ((((pumpRunning == \old(pumpRunning) && 1 <= \result) && 1 <= tmp___0) && tmp == 0) && \result == 0)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || 0 == systemActive) [2022-11-16 11:37:13,091 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (0 == systemActive || !(2 <= \old(waterLevel))) [2022-11-16 11:37:13,095 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(2 <= waterLevel)) || 0 == systemActive) && (((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || ((((pumpRunning == 0 && !(\result == 0)) && \result == 0) && tmp___0 == 0) && !(tmp == 0))) || 0 == systemActive) [2022-11-16 11:37:13,095 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || 0 == systemActive [2022-11-16 11:37:13,127 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971095a7-bab6-4c62-8f5c-146323dce32b/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 11:37:13,128 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:37:13,128 INFO L158 Benchmark]: Toolchain (without parser) took 13513.98ms. Allocated memory was 130.0MB in the beginning and 192.9MB in the end (delta: 62.9MB). Free memory was 94.4MB in the beginning and 121.6MB in the end (delta: -27.2MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. [2022-11-16 11:37:13,129 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 92.3MB. Free memory was 64.5MB in the beginning and 64.5MB in the end (delta: 30.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:37:13,129 INFO L158 Benchmark]: CACSL2BoogieTranslator took 557.35ms. Allocated memory is still 130.0MB. Free memory was 94.4MB in the beginning and 97.0MB in the end (delta: -2.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 11:37:13,129 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.51ms. Allocated memory is still 130.0MB. Free memory was 97.0MB in the beginning and 94.1MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 11:37:13,130 INFO L158 Benchmark]: Boogie Preprocessor took 68.74ms. Allocated memory is still 130.0MB. Free memory was 94.1MB in the beginning and 92.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:37:13,130 INFO L158 Benchmark]: RCFGBuilder took 682.27ms. Allocated memory is still 130.0MB. Free memory was 92.7MB in the beginning and 72.5MB in the end (delta: 20.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-16 11:37:13,131 INFO L158 Benchmark]: TraceAbstraction took 11994.90ms. Allocated memory was 130.0MB in the beginning and 192.9MB in the end (delta: 62.9MB). Free memory was 71.9MB in the beginning and 128.0MB in the end (delta: -56.1MB). Peak memory consumption was 89.5MB. Max. memory is 16.1GB. [2022-11-16 11:37:13,131 INFO L158 Benchmark]: Witness Printer took 124.77ms. Allocated memory is still 192.9MB. Free memory was 128.0MB in the beginning and 121.6MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-16 11:37:13,133 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 92.3MB. Free memory was 64.5MB in the beginning and 64.5MB in the end (delta: 30.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 557.35ms. Allocated memory is still 130.0MB. Free memory was 94.4MB in the beginning and 97.0MB in the end (delta: -2.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.51ms. Allocated memory is still 130.0MB. Free memory was 97.0MB in the beginning and 94.1MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.74ms. Allocated memory is still 130.0MB. Free memory was 94.1MB in the beginning and 92.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 682.27ms. Allocated memory is still 130.0MB. Free memory was 92.7MB in the beginning and 72.5MB in the end (delta: 20.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 11994.90ms. Allocated memory was 130.0MB in the beginning and 192.9MB in the end (delta: 62.9MB). Free memory was 71.9MB in the beginning and 128.0MB in the end (delta: -56.1MB). Peak memory consumption was 89.5MB. Max. memory is 16.1GB. * Witness Printer took 124.77ms. Allocated memory is still 192.9MB. Free memory was 128.0MB in the beginning and 121.6MB in the end (delta: 6.4MB). 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: 878]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 100 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.9s, OverallIterations: 13, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1808 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1787 mSDsluCounter, 4544 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3192 mSDsCounter, 493 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2455 IncrementalHoareTripleChecker+Invalid, 2948 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 493 mSolverCounterUnsat, 1352 mSDtfsCounter, 2455 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 691 GetRequests, 558 SyntacticMatches, 14 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=947occurred in iteration=12, InterpolantAutomatonStates: 116, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 13 MinimizatonAttempts, 254 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 48 LocationsWithAnnotation, 1824 PreInvPairs, 1961 NumberOfFragments, 1228 HoareAnnotationTreeSize, 1824 FomulaSimplifications, 2233 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 48 FomulaSimplificationsInter, 8974 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 1067 NumberOfCodeBlocks, 1067 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1141 ConstructedInterpolants, 0 QuantifiedInterpolants, 1951 SizeOfPredicates, 11 NumberOfNonLiveVariables, 1603 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 17 InterpolantComputations, 12 PerfectInterpolantSequences, 393/447 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: 976]: Loop Invariant Derived loop invariant: ((!(1 <= waterLevel) || (pumpRunning == \old(pumpRunning) && \result == 0)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || 0 == systemActive) - InvariantResult [Line: 837]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || (pumpRunning == 0 && !(\result == 0))) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive - InvariantResult [Line: 953]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (pumpRunning == 0 && waterLevel == 1)) && (((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && 1 <= \result) && \old(waterLevel) == waterLevel)) || !(0 == systemActive)) || !(2 <= \old(waterLevel)))) && ((((2 <= waterLevel && 2 <= \result) || ((pumpRunning == 0 && 1 <= waterLevel) && 1 <= \result)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || 0 == systemActive) || (\old(waterLevel) == waterLevel && 2 <= \result)) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || \result == 1) - InvariantResult [Line: 1011]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && waterLevel == 1) && tmp == 1) && !(0 == systemActive) - InvariantResult [Line: 921]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (((pumpRunning == \old(pumpRunning) && 1 <= waterLevel) || 0 == systemActive) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 850]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (((pumpRunning == \old(pumpRunning) && 1 <= waterLevel) || 0 == systemActive) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: ((!(1 <= waterLevel) || ((((pumpRunning == \old(pumpRunning) && 1 <= \result) && 1 <= tmp___0) && tmp == 0) && \result == 0)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || 0 == systemActive) - InvariantResult [Line: 749]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || (((2 <= waterLevel && \old(waterLevel) == waterLevel) && 2 <= \result) && 2 <= tmp)) || 0 == systemActive) || !(2 <= \old(waterLevel))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (tmp == 1 && \result == 1))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 <= \old(waterLevel))) || (((2 <= waterLevel && \old(waterLevel) == waterLevel) && 2 <= \result) && 2 <= tmp))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 <= \old(waterLevel))) || !(0 == systemActive))) && ((((((pumpRunning == 0 && 1 <= tmp) && 1 <= waterLevel) && 1 <= \result) || ((2 <= waterLevel && 2 <= \result) && 2 <= tmp)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || (1 <= tmp && 1 <= \result)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 247]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(2 <= waterLevel)) || 0 == systemActive) && (((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || ((((pumpRunning == 0 && !(\result == 0)) && \result == 0) && tmp___0 == 0) && !(tmp == 0))) || 0 == systemActive) - InvariantResult [Line: 687]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) || ((((\result == 1 && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive))) || ((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && waterLevel == 1) && tmp == 1) - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: (!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || 0 == systemActive - InvariantResult [Line: 1004]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (0 == systemActive || !(2 <= \old(waterLevel))) - InvariantResult [Line: 300]: Loop Invariant Derived loop invariant: ((((\result == 1 && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive)) || (((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 1) && !(0 == systemActive)) - InvariantResult [Line: 885]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (((pumpRunning == \old(pumpRunning) && 1 <= waterLevel) || 0 == systemActive) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 997]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && 0 == systemActive) && waterLevel == 1) && tmp == 1) || (((((pumpRunning == 0 && \result == 1) && 2 <= waterLevel) && splverifierCounter == 0) && 0 == systemActive) && tmp == 1) - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(0 == systemActive)) && (((2 <= waterLevel || 0 == systemActive) || (pumpRunning == 0 && 1 <= waterLevel)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 <= \old(waterLevel))) || (2 <= waterLevel && \old(waterLevel) == waterLevel)) - InvariantResult [Line: 786]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) && (0 == systemActive || !(2 <= \old(waterLevel))) RESULT: Ultimate proved your program to be correct! [2022-11-16 11:37:13,170 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_971095a7-bab6-4c62-8f5c-146323dce32b/bin/uautomizer-tPACEb0tL8/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