./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product40.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_5ba11049-bc27-4ac6-8244-bf7328672be7/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba11049-bc27-4ac6-8244-bf7328672be7/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_5ba11049-bc27-4ac6-8244-bf7328672be7/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba11049-bc27-4ac6-8244-bf7328672be7/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product40.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba11049-bc27-4ac6-8244-bf7328672be7/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_5ba11049-bc27-4ac6-8244-bf7328672be7/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 31801b0d0a8db366707af3e7371b9dc02f7c34625c63f4c3f856015d4449b4b2 --- 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 10:56:02,317 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 10:56:02,318 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 10:56:02,338 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 10:56:02,339 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 10:56:02,340 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 10:56:02,341 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 10:56:02,343 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 10:56:02,345 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 10:56:02,345 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 10:56:02,346 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 10:56:02,348 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 10:56:02,348 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 10:56:02,349 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 10:56:02,350 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 10:56:02,352 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 10:56:02,352 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 10:56:02,353 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 10:56:02,355 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 10:56:02,357 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 10:56:02,359 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 10:56:02,360 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 10:56:02,361 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 10:56:02,362 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 10:56:02,366 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 10:56:02,366 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 10:56:02,367 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 10:56:02,368 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 10:56:02,368 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 10:56:02,369 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 10:56:02,369 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 10:56:02,370 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 10:56:02,371 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 10:56:02,372 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 10:56:02,373 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 10:56:02,373 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 10:56:02,378 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 10:56:02,378 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 10:56:02,378 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 10:56:02,379 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 10:56:02,380 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 10:56:02,381 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba11049-bc27-4ac6-8244-bf7328672be7/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-16 10:56:02,413 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 10:56:02,419 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 10:56:02,420 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 10:56:02,420 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 10:56:02,422 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 10:56:02,422 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 10:56:02,423 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 10:56:02,423 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 10:56:02,423 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 10:56:02,431 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 10:56:02,432 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 10:56:02,433 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 10:56:02,433 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 10:56:02,433 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 10:56:02,433 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 10:56:02,433 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 10:56:02,434 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 10:56:02,434 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 10:56:02,434 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 10:56:02,434 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 10:56:02,435 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 10:56:02,435 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 10:56:02,435 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 10:56:02,435 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 10:56:02,436 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 10:56:02,436 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 10:56:02,437 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 10:56:02,438 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 10:56:02,438 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 10:56:02,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 10:56:02,438 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 10:56:02,438 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 10:56:02,439 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 10:56:02,439 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_5ba11049-bc27-4ac6-8244-bf7328672be7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba11049-bc27-4ac6-8244-bf7328672be7/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31801b0d0a8db366707af3e7371b9dc02f7c34625c63f4c3f856015d4449b4b2 [2022-11-16 10:56:02,678 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 10:56:02,706 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 10:56:02,710 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 10:56:02,711 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 10:56:02,712 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 10:56:02,713 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba11049-bc27-4ac6-8244-bf7328672be7/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/product-lines/minepump_spec5_product40.cil.c [2022-11-16 10:56:02,793 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba11049-bc27-4ac6-8244-bf7328672be7/bin/uautomizer-tPACEb0tL8/data/cdd4e6580/fe7596a0b66c469ea657bf1e8b79b85d/FLAGcaf39d811 [2022-11-16 10:56:03,276 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 10:56:03,277 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba11049-bc27-4ac6-8244-bf7328672be7/sv-benchmarks/c/product-lines/minepump_spec5_product40.cil.c [2022-11-16 10:56:03,298 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba11049-bc27-4ac6-8244-bf7328672be7/bin/uautomizer-tPACEb0tL8/data/cdd4e6580/fe7596a0b66c469ea657bf1e8b79b85d/FLAGcaf39d811 [2022-11-16 10:56:03,602 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba11049-bc27-4ac6-8244-bf7328672be7/bin/uautomizer-tPACEb0tL8/data/cdd4e6580/fe7596a0b66c469ea657bf1e8b79b85d [2022-11-16 10:56:03,604 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 10:56:03,605 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 10:56:03,606 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 10:56:03,607 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 10:56:03,610 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 10:56:03,610 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:56:03" (1/1) ... [2022-11-16 10:56:03,612 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9d251f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:56:03, skipping insertion in model container [2022-11-16 10:56:03,612 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:56:03" (1/1) ... [2022-11-16 10:56:03,619 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 10:56:03,656 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 10:56:03,981 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_5ba11049-bc27-4ac6-8244-bf7328672be7/sv-benchmarks/c/product-lines/minepump_spec5_product40.cil.c[17098,17111] [2022-11-16 10:56:04,003 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 10:56:04,017 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 10:56:04,120 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_5ba11049-bc27-4ac6-8244-bf7328672be7/sv-benchmarks/c/product-lines/minepump_spec5_product40.cil.c[17098,17111] [2022-11-16 10:56:04,129 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 10:56:04,151 INFO L208 MainTranslator]: Completed translation [2022-11-16 10:56:04,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:56:04 WrapperNode [2022-11-16 10:56:04,152 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 10:56:04,154 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 10:56:04,154 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 10:56:04,154 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 10:56:04,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:56:04" (1/1) ... [2022-11-16 10:56:04,174 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:56:04" (1/1) ... [2022-11-16 10:56:04,200 INFO L138 Inliner]: procedures = 57, calls = 159, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 262 [2022-11-16 10:56:04,201 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 10:56:04,202 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 10:56:04,202 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 10:56:04,202 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 10:56:04,211 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:56:04" (1/1) ... [2022-11-16 10:56:04,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:56:04" (1/1) ... [2022-11-16 10:56:04,214 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:56:04" (1/1) ... [2022-11-16 10:56:04,214 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:56:04" (1/1) ... [2022-11-16 10:56:04,219 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:56:04" (1/1) ... [2022-11-16 10:56:04,224 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:56:04" (1/1) ... [2022-11-16 10:56:04,225 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:56:04" (1/1) ... [2022-11-16 10:56:04,227 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:56:04" (1/1) ... [2022-11-16 10:56:04,229 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 10:56:04,230 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 10:56:04,230 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 10:56:04,230 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 10:56:04,231 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:56:04" (1/1) ... [2022-11-16 10:56:04,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 10:56:04,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba11049-bc27-4ac6-8244-bf7328672be7/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:56:04,281 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba11049-bc27-4ac6-8244-bf7328672be7/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 10:56:04,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba11049-bc27-4ac6-8244-bf7328672be7/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 10:56:04,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 10:56:04,347 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-16 10:56:04,347 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-16 10:56:04,347 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-16 10:56:04,347 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-16 10:56:04,347 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-16 10:56:04,348 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-16 10:56:04,349 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-11-16 10:56:04,350 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-11-16 10:56:04,350 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-16 10:56:04,350 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-16 10:56:04,350 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-11-16 10:56:04,351 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-11-16 10:56:04,351 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-16 10:56:04,351 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-16 10:56:04,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 10:56:04,351 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-16 10:56:04,351 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-16 10:56:04,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 10:56:04,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 10:56:04,462 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 10:56:04,465 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 10:56:04,794 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 10:56:04,807 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 10:56:04,807 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 10:56:04,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 10:56:04 BoogieIcfgContainer [2022-11-16 10:56:04,809 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 10:56:04,812 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 10:56:04,812 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 10:56:04,816 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 10:56:04,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 10:56:03" (1/3) ... [2022-11-16 10:56:04,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ce002c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 10:56:04, skipping insertion in model container [2022-11-16 10:56:04,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:56:04" (2/3) ... [2022-11-16 10:56:04,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ce002c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 10:56:04, skipping insertion in model container [2022-11-16 10:56:04,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 10:56:04" (3/3) ... [2022-11-16 10:56:04,819 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product40.cil.c [2022-11-16 10:56:04,839 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 10:56:04,839 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 10:56:04,904 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 10:56:04,913 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;@3586da3b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 10:56:04,913 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 10:56:04,919 INFO L276 IsEmpty]: Start isEmpty. Operand has 98 states, 74 states have (on average 1.364864864864865) internal successors, (101), 83 states have internal predecessors, (101), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-16 10:56:04,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-16 10:56:04,932 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:56:04,933 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:56:04,934 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:56:04,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:56:04,939 INFO L85 PathProgramCache]: Analyzing trace with hash 694872208, now seen corresponding path program 1 times [2022-11-16 10:56:04,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:56:04,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174220707] [2022-11-16 10:56:04,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:56:04,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:56:05,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:05,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-16 10:56:05,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:05,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-16 10:56:05,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:05,223 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 10:56:05,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:56:05,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174220707] [2022-11-16 10:56:05,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174220707] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:56:05,225 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:56:05,225 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 10:56:05,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638302123] [2022-11-16 10:56:05,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:56:05,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 10:56:05,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:56:05,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 10:56:05,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 10:56:05,264 INFO L87 Difference]: Start difference. First operand has 98 states, 74 states have (on average 1.364864864864865) internal successors, (101), 83 states have internal predecessors, (101), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 10:56:05,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:56:05,318 INFO L93 Difference]: Finished difference Result 187 states and 252 transitions. [2022-11-16 10:56:05,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 10:56:05,320 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-11-16 10:56:05,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:56:05,329 INFO L225 Difference]: With dead ends: 187 [2022-11-16 10:56:05,329 INFO L226 Difference]: Without dead ends: 89 [2022-11-16 10:56:05,333 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 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 10:56:05,337 INFO L413 NwaCegarLoop]: 123 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, 123 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 10:56:05,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 10:56:05,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2022-11-16 10:56:05,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2022-11-16 10:56:05,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 67 states have (on average 1.2985074626865671) internal successors, (87), 75 states have internal predecessors, (87), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-16 10:56:05,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 114 transitions. [2022-11-16 10:56:05,431 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 114 transitions. Word has length 32 [2022-11-16 10:56:05,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:56:05,432 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 114 transitions. [2022-11-16 10:56:05,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 10:56:05,434 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 114 transitions. [2022-11-16 10:56:05,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-16 10:56:05,440 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:56:05,441 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:56:05,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 10:56:05,443 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:56:05,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:56:05,444 INFO L85 PathProgramCache]: Analyzing trace with hash -778098819, now seen corresponding path program 1 times [2022-11-16 10:56:05,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:56:05,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245261135] [2022-11-16 10:56:05,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:56:05,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:56:05,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:05,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 10:56:05,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:05,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-16 10:56:05,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:05,686 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 10:56:05,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:56:05,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245261135] [2022-11-16 10:56:05,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245261135] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:56:05,687 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:56:05,688 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 10:56:05,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235734834] [2022-11-16 10:56:05,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:56:05,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 10:56:05,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:56:05,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 10:56:05,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 10:56:05,691 INFO L87 Difference]: Start difference. First operand 89 states and 114 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 10:56:05,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:56:05,721 INFO L93 Difference]: Finished difference Result 138 states and 176 transitions. [2022-11-16 10:56:05,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 10:56:05,722 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2022-11-16 10:56:05,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:56:05,724 INFO L225 Difference]: With dead ends: 138 [2022-11-16 10:56:05,725 INFO L226 Difference]: Without dead ends: 80 [2022-11-16 10:56:05,727 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 10:56:05,729 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 17 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 10:56:05,729 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 180 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 10:56:05,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-11-16 10:56:05,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2022-11-16 10:56:05,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 61 states have (on average 1.3114754098360655) internal successors, (80), 69 states have internal predecessors, (80), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-16 10:56:05,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 102 transitions. [2022-11-16 10:56:05,741 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 102 transitions. Word has length 33 [2022-11-16 10:56:05,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:56:05,742 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 102 transitions. [2022-11-16 10:56:05,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 10:56:05,742 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 102 transitions. [2022-11-16 10:56:05,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-16 10:56:05,743 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:56:05,743 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:56:05,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 10:56:05,744 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:56:05,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:56:05,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1811500472, now seen corresponding path program 1 times [2022-11-16 10:56:05,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:56:05,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821942280] [2022-11-16 10:56:05,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:56:05,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:56:05,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:05,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-16 10:56:05,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:05,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-16 10:56:05,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:05,990 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 10:56:05,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:56:05,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821942280] [2022-11-16 10:56:05,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821942280] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:56:05,996 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:56:05,996 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 10:56:05,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132379372] [2022-11-16 10:56:05,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:56:05,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 10:56:05,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:56:05,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 10:56:05,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 10:56:05,998 INFO L87 Difference]: Start difference. First operand 80 states and 102 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 10:56:06,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:56:06,142 INFO L93 Difference]: Finished difference Result 199 states and 258 transitions. [2022-11-16 10:56:06,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 10:56:06,143 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 38 [2022-11-16 10:56:06,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:56:06,144 INFO L225 Difference]: With dead ends: 199 [2022-11-16 10:56:06,145 INFO L226 Difference]: Without dead ends: 127 [2022-11-16 10:56:06,146 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-16 10:56:06,147 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 163 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 10:56:06,147 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 350 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 10:56:06,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2022-11-16 10:56:06,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 124. [2022-11-16 10:56:06,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 94 states have (on average 1.3297872340425532) internal successors, (125), 105 states have internal predecessors, (125), 17 states have call successors, (17), 12 states have call predecessors, (17), 12 states have return successors, (18), 13 states have call predecessors, (18), 17 states have call successors, (18) [2022-11-16 10:56:06,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 160 transitions. [2022-11-16 10:56:06,167 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 160 transitions. Word has length 38 [2022-11-16 10:56:06,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:56:06,168 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 160 transitions. [2022-11-16 10:56:06,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 10:56:06,168 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 160 transitions. [2022-11-16 10:56:06,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-16 10:56:06,170 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:56:06,170 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:56:06,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 10:56:06,171 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:56:06,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:56:06,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1858694344, now seen corresponding path program 1 times [2022-11-16 10:56:06,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:56:06,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184429237] [2022-11-16 10:56:06,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:56:06,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:56:06,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:06,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 10:56:06,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:06,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-16 10:56:06,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:06,420 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 10:56:06,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:56:06,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184429237] [2022-11-16 10:56:06,421 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184429237] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:56:06,421 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:56:06,422 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 10:56:06,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044166854] [2022-11-16 10:56:06,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:56:06,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 10:56:06,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:56:06,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 10:56:06,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 10:56:06,424 INFO L87 Difference]: Start difference. First operand 124 states and 160 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 10:56:06,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:56:06,640 INFO L93 Difference]: Finished difference Result 288 states and 383 transitions. [2022-11-16 10:56:06,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 10:56:06,641 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2022-11-16 10:56:06,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:56:06,643 INFO L225 Difference]: With dead ends: 288 [2022-11-16 10:56:06,643 INFO L226 Difference]: Without dead ends: 172 [2022-11-16 10:56:06,644 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-16 10:56:06,646 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 51 mSDsluCounter, 372 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 10:56:06,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 487 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 10:56:06,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2022-11-16 10:56:06,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 162. [2022-11-16 10:56:06,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 123 states have (on average 1.2682926829268293) internal successors, (156), 133 states have internal predecessors, (156), 21 states have call successors, (21), 17 states have call predecessors, (21), 17 states have return successors, (27), 20 states have call predecessors, (27), 21 states have call successors, (27) [2022-11-16 10:56:06,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 204 transitions. [2022-11-16 10:56:06,669 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 204 transitions. Word has length 41 [2022-11-16 10:56:06,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:56:06,670 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 204 transitions. [2022-11-16 10:56:06,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-16 10:56:06,670 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 204 transitions. [2022-11-16 10:56:06,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-16 10:56:06,672 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:56:06,672 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:56:06,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 10:56:06,673 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:56:06,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:56:06,673 INFO L85 PathProgramCache]: Analyzing trace with hash -873577577, now seen corresponding path program 1 times [2022-11-16 10:56:06,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:56:06,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711706738] [2022-11-16 10:56:06,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:56:06,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:56:06,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:06,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 10:56:06,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:06,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-16 10:56:06,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:06,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-16 10:56:06,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:06,761 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 10:56:06,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:56:06,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711706738] [2022-11-16 10:56:06,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711706738] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:56:06,766 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:56:06,767 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 10:56:06,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592081681] [2022-11-16 10:56:06,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:56:06,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 10:56:06,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:56:06,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 10:56:06,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 10:56:06,768 INFO L87 Difference]: Start difference. First operand 162 states and 204 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-16 10:56:06,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:56:06,922 INFO L93 Difference]: Finished difference Result 343 states and 432 transitions. [2022-11-16 10:56:06,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 10:56:06,923 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 55 [2022-11-16 10:56:06,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:56:06,930 INFO L225 Difference]: With dead ends: 343 [2022-11-16 10:56:06,933 INFO L226 Difference]: Without dead ends: 189 [2022-11-16 10:56:06,937 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 10:56:06,941 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 90 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 10:56:06,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 261 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 10:56:06,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2022-11-16 10:56:06,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 185. [2022-11-16 10:56:06,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 141 states have (on average 1.2553191489361701) internal successors, (177), 151 states have internal predecessors, (177), 23 states have call successors, (23), 17 states have call predecessors, (23), 20 states have return successors, (30), 24 states have call predecessors, (30), 23 states have call successors, (30) [2022-11-16 10:56:06,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 230 transitions. [2022-11-16 10:56:06,976 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 230 transitions. Word has length 55 [2022-11-16 10:56:06,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:56:06,976 INFO L495 AbstractCegarLoop]: Abstraction has 185 states and 230 transitions. [2022-11-16 10:56:06,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-16 10:56:06,977 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 230 transitions. [2022-11-16 10:56:06,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-16 10:56:06,978 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:56:06,978 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:56:06,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 10:56:06,979 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:56:06,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:56:06,979 INFO L85 PathProgramCache]: Analyzing trace with hash 68722199, now seen corresponding path program 1 times [2022-11-16 10:56:06,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:56:06,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475883821] [2022-11-16 10:56:06,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:56:06,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:56:07,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:07,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-16 10:56:07,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:07,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-16 10:56:07,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:07,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 10:56:07,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:07,124 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 10:56:07,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:56:07,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475883821] [2022-11-16 10:56:07,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475883821] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:56:07,125 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:56:07,125 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 10:56:07,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019001994] [2022-11-16 10:56:07,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:56:07,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 10:56:07,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:56:07,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 10:56:07,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 10:56:07,127 INFO L87 Difference]: Start difference. First operand 185 states and 230 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-16 10:56:07,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:56:07,397 INFO L93 Difference]: Finished difference Result 528 states and 687 transitions. [2022-11-16 10:56:07,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 10:56:07,398 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 52 [2022-11-16 10:56:07,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:56:07,401 INFO L225 Difference]: With dead ends: 528 [2022-11-16 10:56:07,401 INFO L226 Difference]: Without dead ends: 351 [2022-11-16 10:56:07,402 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2022-11-16 10:56:07,403 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 174 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 10:56:07,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 409 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 10:56:07,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2022-11-16 10:56:07,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 320. [2022-11-16 10:56:07,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 320 states, 245 states have (on average 1.2448979591836735) internal successors, (305), 259 states have internal predecessors, (305), 41 states have call successors, (41), 32 states have call predecessors, (41), 33 states have return successors, (55), 40 states have call predecessors, (55), 41 states have call successors, (55) [2022-11-16 10:56:07,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 401 transitions. [2022-11-16 10:56:07,470 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 401 transitions. Word has length 52 [2022-11-16 10:56:07,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:56:07,471 INFO L495 AbstractCegarLoop]: Abstraction has 320 states and 401 transitions. [2022-11-16 10:56:07,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-16 10:56:07,471 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 401 transitions. [2022-11-16 10:56:07,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-16 10:56:07,479 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:56:07,479 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:56:07,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 10:56:07,480 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:56:07,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:56:07,480 INFO L85 PathProgramCache]: Analyzing trace with hash -353979627, now seen corresponding path program 1 times [2022-11-16 10:56:07,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:56:07,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693732628] [2022-11-16 10:56:07,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:56:07,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:56:07,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:07,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-16 10:56:07,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:07,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-16 10:56:07,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:07,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 10:56:07,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:07,638 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 10:56:07,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:56:07,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693732628] [2022-11-16 10:56:07,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693732628] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:56:07,639 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:56:07,639 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 10:56:07,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013323316] [2022-11-16 10:56:07,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:56:07,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 10:56:07,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:56:07,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 10:56:07,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 10:56:07,641 INFO L87 Difference]: Start difference. First operand 320 states and 401 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-16 10:56:07,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:56:07,830 INFO L93 Difference]: Finished difference Result 646 states and 820 transitions. [2022-11-16 10:56:07,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 10:56:07,831 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 52 [2022-11-16 10:56:07,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:56:07,833 INFO L225 Difference]: With dead ends: 646 [2022-11-16 10:56:07,833 INFO L226 Difference]: Without dead ends: 334 [2022-11-16 10:56:07,835 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-11-16 10:56:07,836 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 65 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 10:56:07,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 382 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 10:56:07,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2022-11-16 10:56:07,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 326. [2022-11-16 10:56:07,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 251 states have (on average 1.2390438247011952) internal successors, (311), 265 states have internal predecessors, (311), 41 states have call successors, (41), 32 states have call predecessors, (41), 33 states have return successors, (55), 40 states have call predecessors, (55), 41 states have call successors, (55) [2022-11-16 10:56:07,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 407 transitions. [2022-11-16 10:56:07,881 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 407 transitions. Word has length 52 [2022-11-16 10:56:07,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:56:07,881 INFO L495 AbstractCegarLoop]: Abstraction has 326 states and 407 transitions. [2022-11-16 10:56:07,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-16 10:56:07,882 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 407 transitions. [2022-11-16 10:56:07,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-16 10:56:07,883 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:56:07,883 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:56:07,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 10:56:07,883 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:56:07,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:56:07,884 INFO L85 PathProgramCache]: Analyzing trace with hash -2042923369, now seen corresponding path program 1 times [2022-11-16 10:56:07,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:56:07,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608275366] [2022-11-16 10:56:07,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:56:07,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:56:07,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:07,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-16 10:56:07,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:07,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-16 10:56:07,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:07,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 10:56:07,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:07,983 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 10:56:07,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:56:07,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608275366] [2022-11-16 10:56:07,984 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608275366] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:56:07,984 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:56:07,984 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 10:56:07,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415131599] [2022-11-16 10:56:07,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:56:07,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 10:56:07,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:56:07,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 10:56:07,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 10:56:07,985 INFO L87 Difference]: Start difference. First operand 326 states and 407 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-16 10:56:08,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:56:08,131 INFO L93 Difference]: Finished difference Result 601 states and 757 transitions. [2022-11-16 10:56:08,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 10:56:08,132 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 52 [2022-11-16 10:56:08,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:56:08,134 INFO L225 Difference]: With dead ends: 601 [2022-11-16 10:56:08,134 INFO L226 Difference]: Without dead ends: 283 [2022-11-16 10:56:08,136 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 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 10:56:08,139 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 66 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 10:56:08,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 291 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 10:56:08,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2022-11-16 10:56:08,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 278. [2022-11-16 10:56:08,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 214 states have (on average 1.219626168224299) internal successors, (261), 226 states have internal predecessors, (261), 35 states have call successors, (35), 27 states have call predecessors, (35), 28 states have return successors, (42), 34 states have call predecessors, (42), 35 states have call successors, (42) [2022-11-16 10:56:08,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 338 transitions. [2022-11-16 10:56:08,185 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 338 transitions. Word has length 52 [2022-11-16 10:56:08,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:56:08,185 INFO L495 AbstractCegarLoop]: Abstraction has 278 states and 338 transitions. [2022-11-16 10:56:08,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-16 10:56:08,185 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 338 transitions. [2022-11-16 10:56:08,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-16 10:56:08,187 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:56:08,187 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:56:08,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 10:56:08,188 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:56:08,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:56:08,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1510613325, now seen corresponding path program 1 times [2022-11-16 10:56:08,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:56:08,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084563414] [2022-11-16 10:56:08,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:56:08,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:56:08,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:08,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 10:56:08,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:08,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-16 10:56:08,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:08,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-16 10:56:08,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:08,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-16 10:56:08,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:08,477 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 10:56:08,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:56:08,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084563414] [2022-11-16 10:56:08,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084563414] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:56:08,478 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:56:08,478 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-16 10:56:08,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933378094] [2022-11-16 10:56:08,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:56:08,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-16 10:56:08,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:56:08,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-16 10:56:08,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-11-16 10:56:08,479 INFO L87 Difference]: Start difference. First operand 278 states and 338 transitions. Second operand has 10 states, 10 states have (on average 4.5) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-16 10:56:09,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:56:09,448 INFO L93 Difference]: Finished difference Result 842 states and 1077 transitions. [2022-11-16 10:56:09,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-16 10:56:09,448 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 56 [2022-11-16 10:56:09,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:56:09,453 INFO L225 Difference]: With dead ends: 842 [2022-11-16 10:56:09,453 INFO L226 Difference]: Without dead ends: 660 [2022-11-16 10:56:09,455 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=258, Invalid=864, Unknown=0, NotChecked=0, Total=1122 [2022-11-16 10:56:09,457 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 574 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 631 mSolverCounterSat, 202 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 582 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 202 IncrementalHoareTripleChecker+Valid, 631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-16 10:56:09,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [582 Valid, 625 Invalid, 833 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [202 Valid, 631 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-16 10:56:09,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 660 states. [2022-11-16 10:56:09,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 660 to 590. [2022-11-16 10:56:09,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 590 states, 450 states have (on average 1.2066666666666668) internal successors, (543), 480 states have internal predecessors, (543), 75 states have call successors, (75), 57 states have call predecessors, (75), 64 states have return successors, (108), 73 states have call predecessors, (108), 75 states have call successors, (108) [2022-11-16 10:56:09,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 726 transitions. [2022-11-16 10:56:09,543 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 726 transitions. Word has length 56 [2022-11-16 10:56:09,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:56:09,544 INFO L495 AbstractCegarLoop]: Abstraction has 590 states and 726 transitions. [2022-11-16 10:56:09,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 8 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-16 10:56:09,544 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 726 transitions. [2022-11-16 10:56:09,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-16 10:56:09,545 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 10:56:09,546 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:56:09,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-16 10:56:09,546 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 10:56:09,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:56:09,547 INFO L85 PathProgramCache]: Analyzing trace with hash -1787594627, now seen corresponding path program 1 times [2022-11-16 10:56:09,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:56:09,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307247997] [2022-11-16 10:56:09,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:56:09,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:56:09,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:09,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 10:56:09,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:09,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-16 10:56:09,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:09,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 10:56:09,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:09,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-16 10:56:09,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:09,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-16 10:56:09,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:09,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-16 10:56:09,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:09,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 10:56:09,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:09,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-16 10:56:09,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:09,908 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-16 10:56:09,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:56:09,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307247997] [2022-11-16 10:56:09,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307247997] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 10:56:09,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [953691626] [2022-11-16 10:56:09,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:56:09,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 10:56:09,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba11049-bc27-4ac6-8244-bf7328672be7/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:56:09,916 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba11049-bc27-4ac6-8244-bf7328672be7/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 10:56:09,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba11049-bc27-4ac6-8244-bf7328672be7/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 10:56:10,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:56:10,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-16 10:56:10,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 10:56:10,308 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 25 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:56:10,308 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 10:56:10,532 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-16 10:56:10,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [953691626] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 10:56:10,532 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 10:56:10,533 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 6, 6] total 16 [2022-11-16 10:56:10,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716536077] [2022-11-16 10:56:10,533 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 10:56:10,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-16 10:56:10,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:56:10,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-16 10:56:10,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2022-11-16 10:56:10,535 INFO L87 Difference]: Start difference. First operand 590 states and 726 transitions. Second operand has 16 states, 16 states have (on average 7.4375) internal successors, (119), 11 states have internal predecessors, (119), 5 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (16), 7 states have call predecessors, (16), 5 states have call successors, (16) [2022-11-16 10:56:11,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:56:11,867 INFO L93 Difference]: Finished difference Result 1300 states and 1653 transitions. [2022-11-16 10:56:11,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-11-16 10:56:11,868 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.4375) internal successors, (119), 11 states have internal predecessors, (119), 5 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (16), 7 states have call predecessors, (16), 5 states have call successors, (16) Word has length 96 [2022-11-16 10:56:11,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 10:56:11,869 INFO L225 Difference]: With dead ends: 1300 [2022-11-16 10:56:11,869 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 10:56:11,873 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 213 SyntacticMatches, 4 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 407 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=301, Invalid=1421, Unknown=0, NotChecked=0, Total=1722 [2022-11-16 10:56:11,874 INFO L413 NwaCegarLoop]: 178 mSDtfsCounter, 382 mSDsluCounter, 1119 mSDsCounter, 0 mSdLazyCounter, 1005 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 383 SdHoareTripleChecker+Valid, 1297 SdHoareTripleChecker+Invalid, 1156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 1005 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-16 10:56:11,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [383 Valid, 1297 Invalid, 1156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 1005 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-16 10:56:11,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 10:56:11,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 10:56:11,876 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 10:56:11,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 10:56:11,876 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 96 [2022-11-16 10:56:11,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 10:56:11,877 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 10:56:11,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.4375) internal successors, (119), 11 states have internal predecessors, (119), 5 states have call successors, (20), 7 states have call predecessors, (20), 6 states have return successors, (16), 7 states have call predecessors, (16), 5 states have call successors, (16) [2022-11-16 10:56:11,877 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 10:56:11,877 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 10:56:11,880 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 10:56:11,893 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba11049-bc27-4ac6-8244-bf7328672be7/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-16 10:56:12,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba11049-bc27-4ac6-8244-bf7328672be7/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-16 10:56:12,090 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-16 10:56:17,346 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 160 167) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-11-16 10:56:17,346 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 160 167) no Hoare annotation was computed. [2022-11-16 10:56:17,346 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 160 167) no Hoare annotation was computed. [2022-11-16 10:56:17,346 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 93 99) no Hoare annotation was computed. [2022-11-16 10:56:17,347 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 93 99) the Hoare annotation is: true [2022-11-16 10:56:17,347 INFO L899 garLoopResultBuilder]: For program point L930-1(lines 926 937) no Hoare annotation was computed. [2022-11-16 10:56:17,347 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 926 937) the Hoare annotation is: true [2022-11-16 10:56:17,347 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 926 937) no Hoare annotation was computed. [2022-11-16 10:56:17,347 INFO L899 garLoopResultBuilder]: For program point L768(line 768) no Hoare annotation was computed. [2022-11-16 10:56:17,347 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 757 786) no Hoare annotation was computed. [2022-11-16 10:56:17,347 INFO L902 garLoopResultBuilder]: At program point L767-2(lines 767 781) the Hoare annotation is: true [2022-11-16 10:56:17,347 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 757 786) the Hoare annotation is: true [2022-11-16 10:56:17,347 INFO L902 garLoopResultBuilder]: At program point L763(line 763) the Hoare annotation is: true [2022-11-16 10:56:17,347 INFO L899 garLoopResultBuilder]: For program point L763-1(line 763) no Hoare annotation was computed. [2022-11-16 10:56:17,347 INFO L902 garLoopResultBuilder]: At program point L782(lines 757 786) the Hoare annotation is: true [2022-11-16 10:56:17,348 INFO L899 garLoopResultBuilder]: For program point L778(line 778) no Hoare annotation was computed. [2022-11-16 10:56:17,348 INFO L899 garLoopResultBuilder]: For program point L771(lines 771 775) no Hoare annotation was computed. [2022-11-16 10:56:17,348 INFO L902 garLoopResultBuilder]: At program point L771-1(lines 771 775) the Hoare annotation is: true [2022-11-16 10:56:17,348 INFO L895 garLoopResultBuilder]: At program point L861(lines 856 863) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~systemActive~0)) (.cse0 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or .cse1 .cse2 .cse0 (not (<= 2 |old(~waterLevel~0)|))) (or .cse1 .cse2 .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2022-11-16 10:56:17,348 INFO L895 garLoopResultBuilder]: At program point L721(line 721) the Hoare annotation is: (let ((.cse0 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~systemActive~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1))) (and (or (and (= ~pumpRunning~0 0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) .cse2) (or .cse3 .cse4 .cse2 .cse5 (not (<= 2 |old(~waterLevel~0)|))) (or .cse3 .cse4 .cse2 .cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))))) [2022-11-16 10:56:17,348 INFO L899 garLoopResultBuilder]: For program point L721-1(line 721) no Hoare annotation was computed. [2022-11-16 10:56:17,348 INFO L899 garLoopResultBuilder]: For program point L73(lines 73 79) no Hoare annotation was computed. [2022-11-16 10:56:17,349 INFO L899 garLoopResultBuilder]: For program point L73-2(lines 69 91) no Hoare annotation was computed. [2022-11-16 10:56:17,349 INFO L899 garLoopResultBuilder]: For program point L135(lines 135 143) no Hoare annotation was computed. [2022-11-16 10:56:17,349 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 66 92) no Hoare annotation was computed. [2022-11-16 10:56:17,349 INFO L899 garLoopResultBuilder]: For program point L131(lines 131 148) no Hoare annotation was computed. [2022-11-16 10:56:17,349 INFO L899 garLoopResultBuilder]: For program point L738(lines 738 748) no Hoare annotation was computed. [2022-11-16 10:56:17,349 INFO L899 garLoopResultBuilder]: For program point L734(lines 734 751) no Hoare annotation was computed. [2022-11-16 10:56:17,349 INFO L895 garLoopResultBuilder]: At program point L734-1(lines 726 754) the Hoare annotation is: (let ((.cse5 (= 0 ~systemActive~0))) (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (<= 1 ~switchedOnBeforeTS~0)) (.cse10 (not (<= 2 |old(~waterLevel~0)|))) (.cse8 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not .cse5))) (and (let ((.cse2 (<= ~waterLevel~0 2))) (or .cse0 (and .cse1 .cse2 .cse3 .cse4) .cse5 .cse6 (and .cse7 .cse2 .cse3) (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (or .cse8 (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse9) (and .cse1 .cse9 .cse4) .cse5 .cse6) (or (and (<= |timeShift_getWaterLevel_#res#1| 2) (< 1 |timeShift___utac_acc__Specification5_spec__3_~tmp~7#1|) (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~7#1| 2) (<= 2 |timeShift_getWaterLevel_#res#1|)) .cse8 .cse6 .cse10) (let ((.cse11 (= ~waterLevel~0 1))) (or (and .cse1 .cse11 .cse3 .cse4) .cse0 (and .cse7 .cse11 .cse3) .cse5 .cse6 .cse10)) (or .cse8 (and .cse1 .cse9) .cse6 .cse4)))) [2022-11-16 10:56:17,350 INFO L899 garLoopResultBuilder]: For program point L739(lines 739 745) no Hoare annotation was computed. [2022-11-16 10:56:17,350 INFO L895 garLoopResultBuilder]: At program point L723(lines 716 725) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4 (<= 1 ~switchedOnBeforeTS~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~systemActive~0)) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 .cse1 .cse2 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) .cse4) .cse3)))) [2022-11-16 10:56:17,350 INFO L895 garLoopResultBuilder]: At program point L975(lines 970 978) the Hoare annotation is: (let ((.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse7 (<= 1 ~switchedOnBeforeTS~0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse10 (not (<= 2 |old(~waterLevel~0)|)))) (and (let ((.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 (and .cse1 .cse2) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse2 (not .cse3)) .cse4)) (let ((.cse6 (<= ~waterLevel~0 2))) (or .cse5 (and .cse1 .cse6 .cse7) .cse3 .cse4 (and .cse8 .cse6 .cse7) (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (let ((.cse9 (= ~waterLevel~0 1))) (or .cse5 (and .cse8 .cse9 .cse7) .cse3 .cse4 .cse10 (and .cse1 .cse9 .cse7))) (or .cse0 .cse4 (and (<= |timeShift_getWaterLevel_#res#1| 2) (<= 2 |timeShift_getWaterLevel_#res#1|)) .cse10))) [2022-11-16 10:56:17,350 INFO L895 garLoopResultBuilder]: At program point L141(line 141) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~systemActive~0)) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (<= 1 ~switchedOnBeforeTS~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or .cse1 (and .cse2 (= ~waterLevel~0 1) .cse3) .cse4 .cse0 (not (<= 2 |old(~waterLevel~0)|))) (or .cse1 .cse4 .cse0 (and .cse2 (<= ~waterLevel~0 2) .cse3) (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2022-11-16 10:56:17,351 INFO L895 garLoopResultBuilder]: At program point L137(line 137) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~systemActive~0)) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (<= 1 ~switchedOnBeforeTS~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or .cse1 (and .cse2 (= ~waterLevel~0 1) .cse3) .cse4 .cse0 (not (<= 2 |old(~waterLevel~0)|))) (or .cse1 .cse4 .cse0 (and .cse2 (<= ~waterLevel~0 2) .cse3) (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2022-11-16 10:56:17,351 INFO L895 garLoopResultBuilder]: At program point L736(line 736) the Hoare annotation is: (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (= 0 ~systemActive~0)) (.cse2 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (<= 1 ~switchedOnBeforeTS~0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2) (let ((.cse5 (<= ~waterLevel~0 2))) (or .cse3 (and .cse4 .cse5 .cse6) .cse7 .cse1 (and .cse8 .cse5 .cse6) (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (let ((.cse9 (= ~waterLevel~0 1))) (or .cse3 (and .cse8 .cse9 .cse6) .cse7 .cse1 .cse2 (and .cse4 .cse9 .cse6))) (or .cse0 (and .cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1))) [2022-11-16 10:56:17,351 INFO L899 garLoopResultBuilder]: For program point L736-1(line 736) no Hoare annotation was computed. [2022-11-16 10:56:17,351 INFO L899 garLoopResultBuilder]: For program point L860(line 860) no Hoare annotation was computed. [2022-11-16 10:56:17,351 INFO L895 garLoopResultBuilder]: At program point L146(line 146) the Hoare annotation is: (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~systemActive~0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (not .cse2)) (or .cse3 .cse2 .cse1 (not (<= 2 |old(~waterLevel~0)|))) (or .cse3 .cse2 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1))) [2022-11-16 10:56:17,351 INFO L895 garLoopResultBuilder]: At program point L146-1(lines 127 151) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (= ~pumpRunning~0 0)) (.cse7 (<= 1 ~switchedOnBeforeTS~0))) (and (or .cse0 .cse1 (not .cse2)) (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 (and .cse3 .cse4) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse4) .cse1)) (let ((.cse6 (<= ~waterLevel~0 2))) (or .cse5 (and .cse3 .cse6 .cse7) .cse2 .cse1 (and .cse8 .cse6 .cse7) (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (let ((.cse9 (= ~waterLevel~0 1))) (or .cse5 (and .cse8 .cse9 .cse7) .cse2 .cse1 (not (<= 2 |old(~waterLevel~0)|)) (and .cse3 .cse9 .cse7))))) [2022-11-16 10:56:17,352 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 66 92) the Hoare annotation is: (let ((.cse0 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~systemActive~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1))) (and (or (and (= ~pumpRunning~0 0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) .cse2) (or .cse3 .cse4 .cse2 .cse5 (not (<= 2 |old(~waterLevel~0)|))) (or .cse3 .cse4 .cse2 .cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))))) [2022-11-16 10:56:17,352 INFO L895 garLoopResultBuilder]: At program point L943(lines 938 946) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~systemActive~0)) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (<= 1 ~switchedOnBeforeTS~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or .cse1 (and .cse2 (= ~waterLevel~0 1) .cse3) .cse4 .cse0 (not (<= 2 |old(~waterLevel~0)|))) (or .cse1 .cse4 .cse0 (and .cse2 (<= ~waterLevel~0 2) .cse3) (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2022-11-16 10:56:17,352 INFO L895 garLoopResultBuilder]: At program point L175(lines 168 178) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~systemActive~0)) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (<= 1 ~switchedOnBeforeTS~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or .cse1 (and .cse2 (= ~waterLevel~0 1) .cse3) .cse4 .cse0 (not (<= 2 |old(~waterLevel~0)|))) (or .cse1 .cse4 .cse0 (and .cse2 (<= ~waterLevel~0 2) .cse3) (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2022-11-16 10:56:17,352 INFO L899 garLoopResultBuilder]: For program point L80-1(lines 80 86) no Hoare annotation was computed. [2022-11-16 10:56:17,352 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 66 92) no Hoare annotation was computed. [2022-11-16 10:56:17,353 INFO L899 garLoopResultBuilder]: For program point L906(lines 906 910) no Hoare annotation was computed. [2022-11-16 10:56:17,353 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 860) no Hoare annotation was computed. [2022-11-16 10:56:17,353 INFO L895 garLoopResultBuilder]: At program point L906-2(lines 902 913) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~systemActive~0)) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (<= 1 ~switchedOnBeforeTS~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0) (or .cse1 (and .cse2 (= ~waterLevel~0 1) .cse3) .cse4 .cse0 (not (<= 2 |old(~waterLevel~0)|))) (or .cse1 .cse4 .cse0 (and .cse2 (<= ~waterLevel~0 2) .cse3) (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2022-11-16 10:56:17,353 INFO L902 garLoopResultBuilder]: At program point L333(lines 270 337) the Hoare annotation is: true [2022-11-16 10:56:17,353 INFO L899 garLoopResultBuilder]: For program point L300(lines 300 306) no Hoare annotation was computed. [2022-11-16 10:56:17,353 INFO L899 garLoopResultBuilder]: For program point L300-1(lines 300 306) no Hoare annotation was computed. [2022-11-16 10:56:17,353 INFO L895 garLoopResultBuilder]: At program point L713(lines 708 715) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~8#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-16 10:56:17,354 INFO L895 garLoopResultBuilder]: At program point L263(lines 258 265) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 ~switchedOnBeforeTS~0) .cse5) (and (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5))) [2022-11-16 10:56:17,354 INFO L895 garLoopResultBuilder]: At program point L292(line 292) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 ~switchedOnBeforeTS~0) .cse5) (and (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5))) [2022-11-16 10:56:17,354 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-16 10:56:17,354 INFO L895 garLoopResultBuilder]: At program point L895(lines 890 898) 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 10:56:17,354 INFO L895 garLoopResultBuilder]: At program point L255(lines 243 257) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~8#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= ~waterLevel~0 2) (= 0 ~systemActive~0)) [2022-11-16 10:56:17,354 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-16 10:56:17,355 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-16 10:56:17,355 INFO L895 garLoopResultBuilder]: At program point L887(lines 883 889) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-16 10:56:17,355 INFO L899 garLoopResultBuilder]: For program point L247(lines 247 253) no Hoare annotation was computed. [2022-11-16 10:56:17,355 INFO L899 garLoopResultBuilder]: For program point L247-1(lines 247 253) no Hoare annotation was computed. [2022-11-16 10:56:17,355 INFO L899 garLoopResultBuilder]: For program point L842(lines 842 849) no Hoare annotation was computed. [2022-11-16 10:56:17,355 INFO L895 garLoopResultBuilder]: At program point L330(lines 279 331) the Hoare annotation is: false [2022-11-16 10:56:17,355 INFO L899 garLoopResultBuilder]: For program point L842-2(lines 842 849) no Hoare annotation was computed. [2022-11-16 10:56:17,355 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-16 10:56:17,356 INFO L899 garLoopResultBuilder]: For program point L318(lines 318 324) no Hoare annotation was computed. [2022-11-16 10:56:17,356 INFO L895 garLoopResultBuilder]: At program point L318-2(lines 310 325) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 ~switchedOnBeforeTS~0) .cse5) (and (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5))) [2022-11-16 10:56:17,356 INFO L902 garLoopResultBuilder]: At program point L826(lines 818 828) the Hoare annotation is: true [2022-11-16 10:56:17,356 INFO L899 garLoopResultBuilder]: For program point L281(lines 280 329) no Hoare annotation was computed. [2022-11-16 10:56:17,356 INFO L899 garLoopResultBuilder]: For program point L310(lines 310 325) no Hoare annotation was computed. [2022-11-16 10:56:17,356 INFO L902 garLoopResultBuilder]: At program point L851(lines 832 854) the Hoare annotation is: true [2022-11-16 10:56:17,356 INFO L895 garLoopResultBuilder]: At program point L880(lines 876 882) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-16 10:56:17,356 INFO L895 garLoopResultBuilder]: At program point L302(line 302) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 ~switchedOnBeforeTS~0) .cse5) (and (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5))) [2022-11-16 10:56:17,357 INFO L895 garLoopResultBuilder]: At program point L327(lines 280 329) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 ~switchedOnBeforeTS~0) .cse5) (and (= ~pumpRunning~0 0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5))) [2022-11-16 10:56:17,357 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 296) no Hoare annotation was computed. [2022-11-16 10:56:17,357 INFO L899 garLoopResultBuilder]: For program point L290-1(lines 290 296) no Hoare annotation was computed. [2022-11-16 10:56:17,357 INFO L899 garLoopResultBuilder]: For program point L282(lines 282 286) no Hoare annotation was computed. [2022-11-16 10:56:17,357 INFO L895 garLoopResultBuilder]: At program point L249(line 249) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 ~switchedOnBeforeTS~0) .cse5) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5))) [2022-11-16 10:56:17,357 INFO L895 garLoopResultBuilder]: At program point L815(lines 811 817) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~8#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-16 10:56:17,358 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 101 125) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 .cse1))) [2022-11-16 10:56:17,358 INFO L895 garLoopResultBuilder]: At program point L157(lines 152 159) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0)) .cse0 .cse1))) [2022-11-16 10:56:17,358 INFO L895 garLoopResultBuilder]: At program point L120(line 120) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (not (<= 1 ~switchedOnBeforeTS~0))))) [2022-11-16 10:56:17,358 INFO L899 garLoopResultBuilder]: For program point L983(lines 983 989) no Hoare annotation was computed. [2022-11-16 10:56:17,358 INFO L899 garLoopResultBuilder]: For program point L120-1(lines 101 125) no Hoare annotation was computed. [2022-11-16 10:56:17,358 INFO L895 garLoopResultBuilder]: At program point L988(lines 979 992) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0)) (.cse3 (<= 2 ~waterLevel~0))) (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0)) (.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse5 .cse3 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse2 (not .cse3) .cse0 .cse1 .cse4) (or .cse2 (and .cse5 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 1)) .cse0 .cse1 .cse4)))) [2022-11-16 10:56:17,358 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 101 125) no Hoare annotation was computed. [2022-11-16 10:56:17,359 INFO L895 garLoopResultBuilder]: At program point L115(line 115) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (or (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 1) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~2#1| 1)) (not (= ~waterLevel~0 1)) .cse2 .cse1) (or .cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| 0)) .cse0 .cse1))) [2022-11-16 10:56:17,359 INFO L895 garLoopResultBuilder]: At program point L239(lines 224 242) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (not (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse2 (<= 2 ~waterLevel~0)) (and .cse2 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~0#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 1) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~2#1| 1)) .cse0 .cse1)))) [2022-11-16 10:56:17,359 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 117) no Hoare annotation was computed. [2022-11-16 10:56:17,359 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 122) no Hoare annotation was computed. [2022-11-16 10:56:17,359 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 237) no Hoare annotation was computed. [2022-11-16 10:56:17,359 INFO L899 garLoopResultBuilder]: For program point L233-2(lines 233 237) no Hoare annotation was computed. [2022-11-16 10:56:17,359 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 914 925) no Hoare annotation was computed. [2022-11-16 10:56:17,360 INFO L899 garLoopResultBuilder]: For program point L918-1(lines 914 925) no Hoare annotation was computed. [2022-11-16 10:56:17,360 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 914 925) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~pumpRunning~0))) (.cse2 (= 0 ~systemActive~0)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse2 .cse3 (not (<= 1 ~switchedOnBeforeTS~0))) (or (not (= ~pumpRunning~0 0)) .cse1 .cse3))) [2022-11-16 10:56:17,360 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 179 187) no Hoare annotation was computed. [2022-11-16 10:56:17,360 INFO L902 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 179 187) the Hoare annotation is: true [2022-11-16 10:56:17,360 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 179 187) no Hoare annotation was computed. [2022-11-16 10:56:17,363 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:56:17,365 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 10:56:17,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 10:56:17 BoogieIcfgContainer [2022-11-16 10:56:17,396 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 10:56:17,397 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 10:56:17,397 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 10:56:17,397 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 10:56:17,397 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 10:56:04" (3/4) ... [2022-11-16 10:56:17,400 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 10:56:17,407 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-16 10:56:17,407 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-16 10:56:17,407 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-16 10:56:17,407 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-16 10:56:17,407 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-16 10:56:17,407 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-11-16 10:56:17,408 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-16 10:56:17,408 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-11-16 10:56:17,414 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 51 nodes and edges [2022-11-16 10:56:17,415 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-16 10:56:17,415 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-16 10:56:17,416 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-16 10:56:17,416 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 10:56:17,416 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 10:56:17,417 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 10:56:17,441 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2022-11-16 10:56:17,441 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) [2022-11-16 10:56:17,441 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) [2022-11-16 10:56:17,442 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || ((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((1 <= pumpRunning && \result == 1) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) [2022-11-16 10:56:17,442 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 <= \old(pumpRunning))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 <= \old(pumpRunning))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) [2022-11-16 10:56:17,443 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && ((((!(1 <= \old(pumpRunning)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) [2022-11-16 10:56:17,443 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= pumpRunning && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || (((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive))) || ((((((1 <= pumpRunning && \result == 1) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) [2022-11-16 10:56:17,443 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(1 <= \old(pumpRunning)) || (((pumpRunning == 0 && waterLevel <= 2) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(\old(pumpRunning) == 0) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((((\result <= 2 && 1 < tmp) && tmp <= 2) && 2 <= \result) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || !(1 <= \old(pumpRunning))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) [2022-11-16 10:56:17,444 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && (((((!(1 <= \old(pumpRunning)) || ((pumpRunning == 0 && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(1 <= \old(pumpRunning)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS)) [2022-11-16 10:56:17,444 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && (((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) [2022-11-16 10:56:17,444 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && 0 == systemActive [2022-11-16 10:56:17,444 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || (((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(\old(waterLevel) <= 2)) && (((((!(1 <= \old(pumpRunning)) || ((pumpRunning == 0 && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(1 <= \old(pumpRunning)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || (\result <= 2 && 2 <= \result)) || !(2 <= \old(waterLevel))) [2022-11-16 10:56:17,445 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && ((((!(1 <= \old(pumpRunning)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) [2022-11-16 10:56:17,445 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && ((((!(1 <= \old(pumpRunning)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) [2022-11-16 10:56:17,445 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 <= \old(pumpRunning)) || !(waterLevel <= 2)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) && ((((!(\old(pumpRunning) == 0) || !(2 <= waterLevel)) || !(waterLevel <= 2)) || 0 == systemActive) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) && \result == 0))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 1)) || !(waterLevel <= 2)) || 0 == systemActive) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) && \result == 0)) [2022-11-16 10:56:17,446 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 2)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == \old(pumpRunning) && 2 <= waterLevel)) || ((((pumpRunning == \old(pumpRunning) && \result == 0) && tmp___0 == 0) && \result == 1) && tmp == 1)) || !(waterLevel <= 2)) || 0 == systemActive) [2022-11-16 10:56:17,446 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 2)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) && (((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 <= waterLevel)) || !(waterLevel <= 2)) || 0 == systemActive) [2022-11-16 10:56:17,468 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba11049-bc27-4ac6-8244-bf7328672be7/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 10:56:17,468 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 10:56:17,468 INFO L158 Benchmark]: Toolchain (without parser) took 13863.45ms. Allocated memory was 136.3MB in the beginning and 197.1MB in the end (delta: 60.8MB). Free memory was 93.1MB in the beginning and 112.1MB in the end (delta: -19.0MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. [2022-11-16 10:56:17,469 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 136.3MB. Free memory is still 110.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 10:56:17,469 INFO L158 Benchmark]: CACSL2BoogieTranslator took 546.61ms. Allocated memory is still 136.3MB. Free memory was 92.9MB in the beginning and 101.9MB in the end (delta: -9.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 10:56:17,469 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.24ms. Allocated memory is still 136.3MB. Free memory was 101.9MB in the beginning and 99.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 10:56:17,470 INFO L158 Benchmark]: Boogie Preprocessor took 27.45ms. Allocated memory is still 136.3MB. Free memory was 99.3MB in the beginning and 97.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 10:56:17,470 INFO L158 Benchmark]: RCFGBuilder took 579.79ms. Allocated memory is still 136.3MB. Free memory was 97.7MB in the beginning and 78.4MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-16 10:56:17,470 INFO L158 Benchmark]: TraceAbstraction took 12584.47ms. Allocated memory was 136.3MB in the beginning and 197.1MB in the end (delta: 60.8MB). Free memory was 77.8MB in the beginning and 117.3MB in the end (delta: -39.5MB). Peak memory consumption was 87.7MB. Max. memory is 16.1GB. [2022-11-16 10:56:17,471 INFO L158 Benchmark]: Witness Printer took 71.20ms. Allocated memory is still 197.1MB. Free memory was 117.3MB in the beginning and 112.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-16 10:56:17,472 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 136.3MB. Free memory is still 110.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 546.61ms. Allocated memory is still 136.3MB. Free memory was 92.9MB in the beginning and 101.9MB in the end (delta: -9.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.24ms. Allocated memory is still 136.3MB. Free memory was 101.9MB in the beginning and 99.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.45ms. Allocated memory is still 136.3MB. Free memory was 99.3MB in the beginning and 97.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 579.79ms. Allocated memory is still 136.3MB. Free memory was 97.7MB in the beginning and 78.4MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 12584.47ms. Allocated memory was 136.3MB in the beginning and 197.1MB in the end (delta: 60.8MB). Free memory was 77.8MB in the beginning and 117.3MB in the end (delta: -39.5MB). Peak memory consumption was 87.7MB. Max. memory is 16.1GB. * Witness Printer took 71.20ms. Allocated memory is still 197.1MB. Free memory was 117.3MB in the beginning and 112.1MB in the end (delta: 5.2MB). 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: 860]: 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, 98 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.5s, OverallIterations: 10, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1616 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1582 mSDsluCounter, 4405 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3263 mSDsCounter, 490 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2191 IncrementalHoareTripleChecker+Invalid, 2681 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 490 mSolverCounterUnsat, 1142 mSDtfsCounter, 2191 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 401 GetRequests, 284 SyntacticMatches, 4 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 716 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=590occurred in iteration=9, InterpolantAutomatonStates: 109, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 131 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 1425 PreInvPairs, 1739 NumberOfFragments, 1969 HoareAnnotationTreeSize, 1425 FomulaSimplifications, 2139 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 46 FomulaSimplificationsInter, 11997 FormulaSimplificationTreeSizeReductionInter, 4.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 603 NumberOfCodeBlocks, 603 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 687 ConstructedInterpolants, 0 QuantifiedInterpolants, 1331 SizeOfPredicates, 3 NumberOfNonLiveVariables, 472 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 103/129 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: 876]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 716]: Loop Invariant Derived loop invariant: (((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 <= \old(pumpRunning))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) && ((((((pumpRunning == \old(pumpRunning) && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS) || !(1 <= \old(pumpRunning))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 811]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 970]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || (((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(\old(waterLevel) <= 2)) && (((((!(1 <= \old(pumpRunning)) || ((pumpRunning == 0 && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(1 <= \old(pumpRunning)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || (\result <= 2 && 2 <= \result)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && ((((!(1 <= \old(pumpRunning)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 979]: Loop Invariant Derived loop invariant: ((((!(1 <= \old(pumpRunning)) || !(waterLevel <= 2)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) && ((((!(\old(pumpRunning) == 0) || !(2 <= waterLevel)) || !(waterLevel <= 2)) || 0 == systemActive) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) && \result == 0))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 1)) || !(waterLevel <= 2)) || 0 == systemActive) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) && \result == 0)) - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: ((((((((!(1 <= \old(pumpRunning)) || (((pumpRunning == 0 && waterLevel <= 2) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(\old(pumpRunning) == 0) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((((\result <= 2 && 1 < tmp) && tmp <= 2) && 2 <= \result) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((((((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || !(1 <= \old(pumpRunning))) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && 0 == systemActive - InvariantResult [Line: 902]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && ((((!(1 <= \old(pumpRunning)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || ((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2)) || ((((((1 <= pumpRunning && \result == 1) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 2)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == \old(pumpRunning) && 2 <= waterLevel)) || ((((pumpRunning == \old(pumpRunning) && \result == 0) && tmp___0 == 0) && \result == 1) && tmp == 1)) || !(waterLevel <= 2)) || 0 == systemActive) - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: (((!(1 <= \old(pumpRunning)) || !(waterLevel <= 2)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) && (((!(\old(pumpRunning) == 0) || (1 <= pumpRunning && 2 <= waterLevel)) || !(waterLevel <= 2)) || 0 == systemActive) - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && (((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) && ((((!(1 <= \old(pumpRunning)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: (((((((1 <= pumpRunning && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || (((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive))) || ((((((1 <= pumpRunning && \result == 1) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || ((1 <= pumpRunning && 2 <= waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2))) && (((((!(1 <= \old(pumpRunning)) || ((pumpRunning == 0 && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 2) && 1 <= switchedOnBeforeTS)) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(1 <= \old(pumpRunning)) || ((pumpRunning == \old(pumpRunning) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS)) - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) RESULT: Ultimate proved your program to be correct! [2022-11-16 10:56:17,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ba11049-bc27-4ac6-8244-bf7328672be7/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE