./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a 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_30b61bb0-a954-47b4-8bfd-4efc2b61a5d4/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b61bb0-a954-47b4-8bfd-4efc2b61a5d4/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b61bb0-a954-47b4-8bfd-4efc2b61a5d4/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b61bb0-a954-47b4-8bfd-4efc2b61a5d4/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b61bb0-a954-47b4-8bfd-4efc2b61a5d4/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b61bb0-a954-47b4-8bfd-4efc2b61a5d4/bin/utaipan-7li7fVZpFI --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9cfe95aaca007f6467395901a9efc89e5ad27f0fc32ae7ae8a1fe4e27a1f35c1 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 01:49:13,908 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:49:13,911 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:49:13,951 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:49:13,952 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:49:13,956 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:49:13,958 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:49:13,961 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:49:13,964 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:49:13,969 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:49:13,970 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:49:13,972 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:49:13,973 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:49:13,975 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:49:13,977 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:49:13,979 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:49:13,981 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:49:13,981 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:49:13,983 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:49:13,990 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:49:13,992 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:49:13,993 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:49:13,996 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:49:13,997 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:49:14,006 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:49:14,006 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:49:14,006 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:49:14,008 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:49:14,009 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:49:14,010 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:49:14,011 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:49:14,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:49:14,015 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:49:14,017 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:49:14,020 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:49:14,020 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:49:14,020 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:49:14,021 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:49:14,021 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:49:14,022 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:49:14,023 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:49:14,024 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b61bb0-a954-47b4-8bfd-4efc2b61a5d4/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-03 01:49:14,057 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:49:14,058 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:49:14,058 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:49:14,059 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:49:14,059 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:49:14,060 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:49:14,060 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:49:14,060 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:49:14,060 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:49:14,061 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 01:49:14,062 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:49:14,062 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:49:14,062 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 01:49:14,062 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 01:49:14,063 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:49:14,063 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 01:49:14,063 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 01:49:14,063 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 01:49:14,064 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:49:14,064 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 01:49:14,065 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 01:49:14,065 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 01:49:14,065 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:49:14,065 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:49:14,066 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:49:14,066 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:49:14,066 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 01:49:14,068 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:49:14,068 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:49:14,068 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:49:14,068 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:49:14,069 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:49:14,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:49:14,069 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:49:14,070 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 01:49:14,070 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:49:14,070 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:49:14,070 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 01:49:14,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 01:49:14,071 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:49:14,071 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:49:14,071 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_30b61bb0-a954-47b4-8bfd-4efc2b61a5d4/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b61bb0-a954-47b4-8bfd-4efc2b61a5d4/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9cfe95aaca007f6467395901a9efc89e5ad27f0fc32ae7ae8a1fe4e27a1f35c1 [2022-11-03 01:49:14,387 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:49:14,424 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:49:14,427 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:49:14,428 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:49:14,429 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:49:14,430 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b61bb0-a954-47b4-8bfd-4efc2b61a5d4/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c [2022-11-03 01:49:14,496 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b61bb0-a954-47b4-8bfd-4efc2b61a5d4/bin/utaipan-7li7fVZpFI/data/1a60c7b78/76d32c88ff334a7791ff85bed743bb53/FLAG42e3fb3e4 [2022-11-03 01:49:15,122 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:49:15,123 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b61bb0-a954-47b4-8bfd-4efc2b61a5d4/sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c [2022-11-03 01:49:15,140 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b61bb0-a954-47b4-8bfd-4efc2b61a5d4/bin/utaipan-7li7fVZpFI/data/1a60c7b78/76d32c88ff334a7791ff85bed743bb53/FLAG42e3fb3e4 [2022-11-03 01:49:15,404 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b61bb0-a954-47b4-8bfd-4efc2b61a5d4/bin/utaipan-7li7fVZpFI/data/1a60c7b78/76d32c88ff334a7791ff85bed743bb53 [2022-11-03 01:49:15,406 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:49:15,408 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:49:15,415 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:49:15,415 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:49:15,419 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:49:15,420 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:49:15" (1/1) ... [2022-11-03 01:49:15,421 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a640e3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:49:15, skipping insertion in model container [2022-11-03 01:49:15,422 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:49:15" (1/1) ... [2022-11-03 01:49:15,430 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:49:15,484 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:49:15,731 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b61bb0-a954-47b4-8bfd-4efc2b61a5d4/sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c[1605,1618] [2022-11-03 01:49:15,945 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:49:15,959 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 01:49:15,979 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b61bb0-a954-47b4-8bfd-4efc2b61a5d4/sv-benchmarks/c/product-lines/minepump_spec5_product50.cil.c[1605,1618] [2022-11-03 01:49:16,074 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:49:16,093 INFO L208 MainTranslator]: Completed translation [2022-11-03 01:49:16,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:49:16 WrapperNode [2022-11-03 01:49:16,094 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:49:16,095 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 01:49:16,095 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 01:49:16,095 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 01:49:16,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:49:16" (1/1) ... [2022-11-03 01:49:16,119 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:49:16" (1/1) ... [2022-11-03 01:49:16,164 INFO L138 Inliner]: procedures = 58, calls = 158, calls flagged for inlining = 26, calls inlined = 22, statements flattened = 265 [2022-11-03 01:49:16,167 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 01:49:16,168 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 01:49:16,169 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 01:49:16,169 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 01:49:16,179 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:49:16" (1/1) ... [2022-11-03 01:49:16,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:49:16" (1/1) ... [2022-11-03 01:49:16,193 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:49:16" (1/1) ... [2022-11-03 01:49:16,197 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:49:16" (1/1) ... [2022-11-03 01:49:16,203 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:49:16" (1/1) ... [2022-11-03 01:49:16,221 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:49:16" (1/1) ... [2022-11-03 01:49:16,222 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:49:16" (1/1) ... [2022-11-03 01:49:16,233 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:49:16" (1/1) ... [2022-11-03 01:49:16,236 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 01:49:16,237 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 01:49:16,237 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 01:49:16,237 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 01:49:16,238 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:49:16" (1/1) ... [2022-11-03 01:49:16,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:49:16,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b61bb0-a954-47b4-8bfd-4efc2b61a5d4/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:49:16,279 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b61bb0-a954-47b4-8bfd-4efc2b61a5d4/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 01:49:16,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b61bb0-a954-47b4-8bfd-4efc2b61a5d4/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 01:49:16,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 01:49:16,327 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-03 01:49:16,327 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-03 01:49:16,328 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-03 01:49:16,328 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-03 01:49:16,328 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-03 01:49:16,328 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-03 01:49:16,328 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-11-03 01:49:16,328 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-11-03 01:49:16,329 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-03 01:49:16,329 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-03 01:49:16,329 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-11-03 01:49:16,329 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-11-03 01:49:16,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 01:49:16,329 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-03 01:49:16,329 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-03 01:49:16,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 01:49:16,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 01:49:16,438 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 01:49:16,440 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 01:49:16,853 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 01:49:17,030 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 01:49:17,030 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-03 01:49:17,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:49:17 BoogieIcfgContainer [2022-11-03 01:49:17,033 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 01:49:17,035 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 01:49:17,035 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 01:49:17,039 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 01:49:17,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:49:15" (1/3) ... [2022-11-03 01:49:17,042 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21c97817 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:49:17, skipping insertion in model container [2022-11-03 01:49:17,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:49:16" (2/3) ... [2022-11-03 01:49:17,042 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21c97817 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:49:17, skipping insertion in model container [2022-11-03 01:49:17,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:49:17" (3/3) ... [2022-11-03 01:49:17,044 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product50.cil.c [2022-11-03 01:49:17,066 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 01:49:17,067 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 01:49:17,130 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 01:49:17,137 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=FINITE_AUTOMATA, 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;@589dcb98, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 01:49:17,137 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 01:49:17,155 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 37 states have (on average 1.4324324324324325) internal successors, (53), 45 states have internal predecessors, (53), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-03 01:49:17,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-03 01:49:17,170 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:49:17,171 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:49:17,172 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:49:17,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:49:17,179 INFO L85 PathProgramCache]: Analyzing trace with hash -514692415, now seen corresponding path program 1 times [2022-11-03 01:49:17,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:49:17,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122915331] [2022-11-03 01:49:17,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:49:17,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:49:17,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:49:17,520 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 01:49:17,521 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:49:17,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122915331] [2022-11-03 01:49:17,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122915331] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:49:17,523 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:49:17,523 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 01:49:17,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949072294] [2022-11-03 01:49:17,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:49:17,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-03 01:49:17,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:49:17,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-03 01:49:17,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 01:49:17,574 INFO L87 Difference]: Start difference. First operand has 58 states, 37 states have (on average 1.4324324324324325) internal successors, (53), 45 states have internal predecessors, (53), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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) [2022-11-03 01:49:17,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:49:17,688 INFO L93 Difference]: Finished difference Result 114 states and 155 transitions. [2022-11-03 01:49:17,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-03 01:49:17,691 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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 21 [2022-11-03 01:49:17,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:49:17,706 INFO L225 Difference]: With dead ends: 114 [2022-11-03 01:49:17,706 INFO L226 Difference]: Without dead ends: 53 [2022-11-03 01:49:17,712 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 01:49:17,716 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 01:49:17,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 57 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 01:49:17,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-11-03 01:49:17,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2022-11-03 01:49:17,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 41 states have internal predecessors, (45), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-03 01:49:17,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 68 transitions. [2022-11-03 01:49:17,774 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 68 transitions. Word has length 21 [2022-11-03 01:49:17,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:49:17,775 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 68 transitions. [2022-11-03 01:49:17,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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) [2022-11-03 01:49:17,776 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions. [2022-11-03 01:49:17,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-03 01:49:17,781 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:49:17,782 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:49:17,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 01:49:17,783 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:49:17,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:49:17,784 INFO L85 PathProgramCache]: Analyzing trace with hash 738841292, now seen corresponding path program 1 times [2022-11-03 01:49:17,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:49:17,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214883096] [2022-11-03 01:49:17,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:49:17,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:49:17,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:49:17,941 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 01:49:17,942 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:49:17,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214883096] [2022-11-03 01:49:17,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214883096] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:49:17,942 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:49:17,943 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:49:17,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663351852] [2022-11-03 01:49:17,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:49:17,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:49:17,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:49:17,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:49:17,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:49:17,945 INFO L87 Difference]: Start difference. First operand 53 states and 68 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2022-11-03 01:49:18,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:49:18,032 INFO L93 Difference]: Finished difference Result 83 states and 107 transitions. [2022-11-03 01:49:18,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:49:18,033 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 22 [2022-11-03 01:49:18,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:49:18,034 INFO L225 Difference]: With dead ends: 83 [2022-11-03 01:49:18,035 INFO L226 Difference]: Without dead ends: 45 [2022-11-03 01:49:18,035 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:49:18,037 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 7 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 01:49:18,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 77 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 01:49:18,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-11-03 01:49:18,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2022-11-03 01:49:18,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 36 states have internal predecessors, (39), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-03 01:49:18,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 57 transitions. [2022-11-03 01:49:18,045 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 57 transitions. Word has length 22 [2022-11-03 01:49:18,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:49:18,046 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 57 transitions. [2022-11-03 01:49:18,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2022-11-03 01:49:18,046 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 57 transitions. [2022-11-03 01:49:18,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 01:49:18,047 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:49:18,048 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:49:18,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 01:49:18,048 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:49:18,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:49:18,049 INFO L85 PathProgramCache]: Analyzing trace with hash 1512610996, now seen corresponding path program 1 times [2022-11-03 01:49:18,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:49:18,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221352305] [2022-11-03 01:49:18,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:49:18,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:49:18,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:49:18,309 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-03 01:49:18,309 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:49:18,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221352305] [2022-11-03 01:49:18,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221352305] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:49:18,311 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:49:18,312 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 01:49:18,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285405245] [2022-11-03 01:49:18,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:49:18,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 01:49:18,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:49:18,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 01:49:18,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 01:49:18,316 INFO L87 Difference]: Start difference. First operand 45 states and 57 transitions. Second operand has 6 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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) [2022-11-03 01:49:18,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:49:18,523 INFO L93 Difference]: Finished difference Result 126 states and 165 transitions. [2022-11-03 01:49:18,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 01:49:18,524 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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 24 [2022-11-03 01:49:18,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:49:18,525 INFO L225 Difference]: With dead ends: 126 [2022-11-03 01:49:18,526 INFO L226 Difference]: Without dead ends: 83 [2022-11-03 01:49:18,526 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-03 01:49:18,528 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 30 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 01:49:18,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 235 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 01:49:18,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2022-11-03 01:49:18,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 79. [2022-11-03 01:49:18,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 52 states have (on average 1.2692307692307692) internal successors, (66), 59 states have internal predecessors, (66), 14 states have call successors, (14), 12 states have call predecessors, (14), 12 states have return successors, (18), 14 states have call predecessors, (18), 14 states have call successors, (18) [2022-11-03 01:49:18,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 98 transitions. [2022-11-03 01:49:18,560 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 98 transitions. Word has length 24 [2022-11-03 01:49:18,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:49:18,561 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 98 transitions. [2022-11-03 01:49:18,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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) [2022-11-03 01:49:18,562 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 98 transitions. [2022-11-03 01:49:18,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-03 01:49:18,563 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:49:18,563 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-03 01:49:18,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 01:49:18,563 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:49:18,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:49:18,564 INFO L85 PathProgramCache]: Analyzing trace with hash -864113261, now seen corresponding path program 1 times [2022-11-03 01:49:18,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:49:18,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057375458] [2022-11-03 01:49:18,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:49:18,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:49:18,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:49:19,130 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-03 01:49:19,130 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:49:19,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057375458] [2022-11-03 01:49:19,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057375458] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:49:19,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:49:19,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-03 01:49:19,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590267456] [2022-11-03 01:49:19,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:49:19,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 01:49:19,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:49:19,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 01:49:19,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-11-03 01:49:19,133 INFO L87 Difference]: Start difference. First operand 79 states and 98 transitions. Second operand has 10 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 3 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 01:49:19,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:49:19,691 INFO L93 Difference]: Finished difference Result 232 states and 291 transitions. [2022-11-03 01:49:19,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-03 01:49:19,692 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 3 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 32 [2022-11-03 01:49:19,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:49:19,700 INFO L225 Difference]: With dead ends: 232 [2022-11-03 01:49:19,701 INFO L226 Difference]: Without dead ends: 155 [2022-11-03 01:49:19,705 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=91, Invalid=329, Unknown=0, NotChecked=0, Total=420 [2022-11-03 01:49:19,711 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 134 mSDsluCounter, 401 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 01:49:19,711 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 415 Invalid, 320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 01:49:19,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2022-11-03 01:49:19,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 141. [2022-11-03 01:49:19,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 93 states have (on average 1.2473118279569892) internal successors, (116), 103 states have internal predecessors, (116), 25 states have call successors, (25), 21 states have call predecessors, (25), 22 states have return successors, (33), 25 states have call predecessors, (33), 25 states have call successors, (33) [2022-11-03 01:49:19,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 174 transitions. [2022-11-03 01:49:19,736 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 174 transitions. Word has length 32 [2022-11-03 01:49:19,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:49:19,737 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 174 transitions. [2022-11-03 01:49:19,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 3 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 01:49:19,737 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 174 transitions. [2022-11-03 01:49:19,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-03 01:49:19,739 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:49:19,739 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:49:19,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 01:49:19,739 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:49:19,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:49:19,740 INFO L85 PathProgramCache]: Analyzing trace with hash -1101283266, now seen corresponding path program 1 times [2022-11-03 01:49:19,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:49:19,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956344831] [2022-11-03 01:49:19,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:49:19,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:49:19,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:49:20,048 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 01:49:20,048 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:49:20,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956344831] [2022-11-03 01:49:20,048 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956344831] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:49:20,048 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:49:20,049 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-03 01:49:20,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205519565] [2022-11-03 01:49:20,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:49:20,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-03 01:49:20,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:49:20,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-03 01:49:20,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 01:49:20,050 INFO L87 Difference]: Start difference. First operand 141 states and 174 transitions. Second operand has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 4 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-03 01:49:20,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:49:20,541 INFO L93 Difference]: Finished difference Result 355 states and 448 transitions. [2022-11-03 01:49:20,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-03 01:49:20,542 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 4 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 35 [2022-11-03 01:49:20,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:49:20,555 INFO L225 Difference]: With dead ends: 355 [2022-11-03 01:49:20,555 INFO L226 Difference]: Without dead ends: 250 [2022-11-03 01:49:20,557 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2022-11-03 01:49:20,558 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 237 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 01:49:20,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 201 Invalid, 340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 01:49:20,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2022-11-03 01:49:20,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 231. [2022-11-03 01:49:20,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 154 states have (on average 1.2532467532467533) internal successors, (193), 171 states have internal predecessors, (193), 40 states have call successors, (40), 31 states have call predecessors, (40), 36 states have return successors, (55), 42 states have call predecessors, (55), 40 states have call successors, (55) [2022-11-03 01:49:20,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 288 transitions. [2022-11-03 01:49:20,648 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 288 transitions. Word has length 35 [2022-11-03 01:49:20,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:49:20,648 INFO L495 AbstractCegarLoop]: Abstraction has 231 states and 288 transitions. [2022-11-03 01:49:20,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 4 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-03 01:49:20,649 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 288 transitions. [2022-11-03 01:49:20,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-03 01:49:20,660 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:49:20,660 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2022-11-03 01:49:20,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 01:49:20,661 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:49:20,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:49:20,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1104355329, now seen corresponding path program 1 times [2022-11-03 01:49:20,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:49:20,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774958049] [2022-11-03 01:49:20,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:49:20,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:49:20,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:49:20,811 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-03 01:49:20,811 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:49:20,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774958049] [2022-11-03 01:49:20,812 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774958049] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:49:20,812 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:49:20,812 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:49:20,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315683572] [2022-11-03 01:49:20,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:49:20,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:49:20,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:49:20,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:49:20,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:49:20,814 INFO L87 Difference]: Start difference. First operand 231 states and 288 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-11-03 01:49:20,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:49:20,865 INFO L93 Difference]: Finished difference Result 460 states and 580 transitions. [2022-11-03 01:49:20,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:49:20,866 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 52 [2022-11-03 01:49:20,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:49:20,868 INFO L225 Difference]: With dead ends: 460 [2022-11-03 01:49:20,868 INFO L226 Difference]: Without dead ends: 231 [2022-11-03 01:49:20,869 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:49:20,870 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 37 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 01:49:20,871 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 41 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 01:49:20,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2022-11-03 01:49:20,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 231. [2022-11-03 01:49:20,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 154 states have (on average 1.2207792207792207) internal successors, (188), 171 states have internal predecessors, (188), 40 states have call successors, (40), 31 states have call predecessors, (40), 36 states have return successors, (55), 42 states have call predecessors, (55), 40 states have call successors, (55) [2022-11-03 01:49:20,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 283 transitions. [2022-11-03 01:49:20,909 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 283 transitions. Word has length 52 [2022-11-03 01:49:20,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:49:20,910 INFO L495 AbstractCegarLoop]: Abstraction has 231 states and 283 transitions. [2022-11-03 01:49:20,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-11-03 01:49:20,910 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 283 transitions. [2022-11-03 01:49:20,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-03 01:49:20,911 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:49:20,912 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-03 01:49:20,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 01:49:20,912 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:49:20,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:49:20,913 INFO L85 PathProgramCache]: Analyzing trace with hash 126587872, now seen corresponding path program 1 times [2022-11-03 01:49:20,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:49:20,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023929619] [2022-11-03 01:49:20,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:49:20,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:49:20,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:49:20,991 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-03 01:49:20,991 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:49:20,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023929619] [2022-11-03 01:49:20,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023929619] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 01:49:20,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2108891887] [2022-11-03 01:49:20,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:49:20,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:49:20,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b61bb0-a954-47b4-8bfd-4efc2b61a5d4/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:49:20,994 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b61bb0-a954-47b4-8bfd-4efc2b61a5d4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 01:49:21,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b61bb0-a954-47b4-8bfd-4efc2b61a5d4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 01:49:21,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:49:21,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 01:49:21,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:49:21,330 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:49:21,330 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:49:21,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2108891887] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:49:21,331 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 01:49:21,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2022-11-03 01:49:21,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55758372] [2022-11-03 01:49:21,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:49:21,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:49:21,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:49:21,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:49:21,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:49:21,335 INFO L87 Difference]: Start difference. First operand 231 states and 283 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-11-03 01:49:21,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:49:21,407 INFO L93 Difference]: Finished difference Result 344 states and 426 transitions. [2022-11-03 01:49:21,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:49:21,407 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 60 [2022-11-03 01:49:21,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:49:21,409 INFO L225 Difference]: With dead ends: 344 [2022-11-03 01:49:21,410 INFO L226 Difference]: Without dead ends: 221 [2022-11-03 01:49:21,410 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-03 01:49:21,412 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 26 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 01:49:21,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 97 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 01:49:21,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2022-11-03 01:49:21,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2022-11-03 01:49:21,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 147 states have (on average 1.1904761904761905) internal successors, (175), 163 states have internal predecessors, (175), 38 states have call successors, (38), 31 states have call predecessors, (38), 35 states have return successors, (45), 39 states have call predecessors, (45), 38 states have call successors, (45) [2022-11-03 01:49:21,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 258 transitions. [2022-11-03 01:49:21,458 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 258 transitions. Word has length 60 [2022-11-03 01:49:21,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:49:21,459 INFO L495 AbstractCegarLoop]: Abstraction has 221 states and 258 transitions. [2022-11-03 01:49:21,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-11-03 01:49:21,459 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 258 transitions. [2022-11-03 01:49:21,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-03 01:49:21,461 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:49:21,461 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:49:21,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b61bb0-a954-47b4-8bfd-4efc2b61a5d4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 01:49:21,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b61bb0-a954-47b4-8bfd-4efc2b61a5d4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:49:21,679 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:49:21,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:49:21,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1462786826, now seen corresponding path program 1 times [2022-11-03 01:49:21,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:49:21,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917349466] [2022-11-03 01:49:21,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:49:21,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:49:21,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:49:21,821 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-11-03 01:49:21,821 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:49:21,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917349466] [2022-11-03 01:49:21,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917349466] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 01:49:21,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [64731433] [2022-11-03 01:49:21,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:49:21,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:49:21,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b61bb0-a954-47b4-8bfd-4efc2b61a5d4/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:49:21,824 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b61bb0-a954-47b4-8bfd-4efc2b61a5d4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 01:49:21,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b61bb0-a954-47b4-8bfd-4efc2b61a5d4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 01:49:21,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:49:21,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-03 01:49:21,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:49:22,074 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 01:49:22,074 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:49:22,279 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-03 01:49:22,280 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [64731433] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:49:22,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [209451425] [2022-11-03 01:49:22,302 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2022-11-03 01:49:22,302 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 01:49:22,306 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 01:49:22,312 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 01:49:22,313 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 01:49:29,377 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 50 for LOIs [2022-11-03 01:49:29,386 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 29 for LOIs [2022-11-03 01:49:29,700 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 53 for LOIs [2022-11-03 01:49:29,712 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 72 for LOIs [2022-11-03 01:49:30,059 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 48 for LOIs [2022-11-03 01:49:30,063 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 01:49:36,339 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4985#(and (not (= |timeShift___utac_acc__Specification5_spec__3_~tmp~8#1| 2)) (= ~methaneLevelCritical~0 0) (= |timeShift_getWaterLevel_~retValue_acc~5#1| |timeShift_getWaterLevel_#res#1|) (<= 0 (+ 2147483648 |old(~pumpRunning~0)|)) (= ~head~0.offset 0) (<= |timeShift___utac_acc__Specification5_spec__3_~tmp___0~3#1| 2147483647) (= |timeShift___utac_acc__Specification5_spec__3_~tmp~8#1| |timeShift_getWaterLevel_#res#1|) (not (= |timeShift___utac_acc__Specification5_spec__3_~tmp___0~3#1| 0)) (<= |old(~pumpRunning~0)| 2147483647) (= 1 ~systemActive~0) (<= 0 (+ |timeShift___utac_acc__Specification5_spec__3_~tmp___0~3#1| 2147483648)) (= |timeShift_getWaterLevel_~retValue_acc~5#1| ~waterLevel~0) (<= 0 (+ 2147483648 |timeShift_getWaterLevel_#res#1|)) (= ~head~0.base 0) (= |#NULL.offset| 0) (<= |timeShift_getWaterLevel_~retValue_acc~5#1| 2147483647) (= ~switchedOnBeforeTS~0 0) (<= 0 |#StackHeapBarrier|) (= ~pumpRunning~0 |timeShift___utac_acc__Specification5_spec__3_~tmp___0~3#1|) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2022-11-03 01:49:36,339 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 01:49:36,339 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 01:49:36,339 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2022-11-03 01:49:36,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139706400] [2022-11-03 01:49:36,340 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 01:49:36,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-03 01:49:36,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:49:36,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-03 01:49:36,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=1530, Unknown=0, NotChecked=0, Total=1722 [2022-11-03 01:49:36,342 INFO L87 Difference]: Start difference. First operand 221 states and 258 transitions. Second operand has 11 states, 8 states have (on average 8.375) internal successors, (67), 9 states have internal predecessors, (67), 4 states have call successors, (15), 3 states have call predecessors, (15), 6 states have return successors, (17), 6 states have call predecessors, (17), 4 states have call successors, (17) [2022-11-03 01:49:37,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:49:37,153 INFO L93 Difference]: Finished difference Result 308 states and 364 transitions. [2022-11-03 01:49:37,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-03 01:49:37,154 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 8.375) internal successors, (67), 9 states have internal predecessors, (67), 4 states have call successors, (15), 3 states have call predecessors, (15), 6 states have return successors, (17), 6 states have call predecessors, (17), 4 states have call successors, (17) Word has length 63 [2022-11-03 01:49:37,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:49:37,156 INFO L225 Difference]: With dead ends: 308 [2022-11-03 01:49:37,157 INFO L226 Difference]: Without dead ends: 306 [2022-11-03 01:49:37,159 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 153 SyntacticMatches, 4 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 831 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=296, Invalid=2784, Unknown=0, NotChecked=0, Total=3080 [2022-11-03 01:49:37,159 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 141 mSDsluCounter, 746 mSDsCounter, 0 mSdLazyCounter, 658 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 677 SdHoareTripleChecker+Invalid, 721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 658 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 01:49:37,160 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 677 Invalid, 721 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 658 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-03 01:49:37,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2022-11-03 01:49:37,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 279. [2022-11-03 01:49:37,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 183 states have (on average 1.180327868852459) internal successors, (216), 205 states have internal predecessors, (216), 50 states have call successors, (50), 42 states have call predecessors, (50), 45 states have return successors, (61), 47 states have call predecessors, (61), 50 states have call successors, (61) [2022-11-03 01:49:37,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 327 transitions. [2022-11-03 01:49:37,207 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 327 transitions. Word has length 63 [2022-11-03 01:49:37,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:49:37,211 INFO L495 AbstractCegarLoop]: Abstraction has 279 states and 327 transitions. [2022-11-03 01:49:37,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 8.375) internal successors, (67), 9 states have internal predecessors, (67), 4 states have call successors, (15), 3 states have call predecessors, (15), 6 states have return successors, (17), 6 states have call predecessors, (17), 4 states have call successors, (17) [2022-11-03 01:49:37,211 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 327 transitions. [2022-11-03 01:49:37,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-03 01:49:37,213 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:49:37,213 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-03 01:49:37,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b61bb0-a954-47b4-8bfd-4efc2b61a5d4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-03 01:49:37,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b61bb0-a954-47b4-8bfd-4efc2b61a5d4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-03 01:49:37,433 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:49:37,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:49:37,433 INFO L85 PathProgramCache]: Analyzing trace with hash -393213066, now seen corresponding path program 1 times [2022-11-03 01:49:37,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:49:37,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046649406] [2022-11-03 01:49:37,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:49:37,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:49:37,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:49:37,788 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 33 proven. 3 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-11-03 01:49:37,788 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:49:37,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046649406] [2022-11-03 01:49:37,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046649406] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 01:49:37,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [683974643] [2022-11-03 01:49:37,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:49:37,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:49:37,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b61bb0-a954-47b4-8bfd-4efc2b61a5d4/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:49:37,797 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b61bb0-a954-47b4-8bfd-4efc2b61a5d4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 01:49:37,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b61bb0-a954-47b4-8bfd-4efc2b61a5d4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-03 01:49:37,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:49:37,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 01:49:37,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:49:38,180 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 58 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-03 01:49:38,180 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:49:38,542 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-11-03 01:49:38,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [683974643] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:49:38,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1165015897] [2022-11-03 01:49:38,550 INFO L159 IcfgInterpreter]: Started Sifa with 37 locations of interest [2022-11-03 01:49:38,550 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 01:49:38,551 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 01:49:38,551 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 01:49:38,551 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 01:49:43,669 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 56 for LOIs [2022-11-03 01:49:43,684 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 30 for LOIs [2022-11-03 01:49:43,877 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 55 for LOIs [2022-11-03 01:49:43,889 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 29 for LOIs [2022-11-03 01:49:43,925 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 01:49:49,245 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '6468#(and (<= 0 |old(~pumpRunning~0)|) (not (= |timeShift___utac_acc__Specification5_spec__3_~tmp~8#1| 2)) (= ~methaneLevelCritical~0 0) (= |timeShift_getWaterLevel_~retValue_acc~5#1| |timeShift_getWaterLevel_#res#1|) (= ~head~0.offset 0) (= |timeShift___utac_acc__Specification5_spec__3_~tmp~8#1| |timeShift_getWaterLevel_#res#1|) (<= |timeShift___utac_acc__Specification5_spec__3_~tmp___0~3#1| 1) (not (= |timeShift___utac_acc__Specification5_spec__3_~tmp___0~3#1| 0)) (<= |old(~pumpRunning~0)| 2147483647) (= 1 ~systemActive~0) (= |timeShift_getWaterLevel_~retValue_acc~5#1| ~waterLevel~0) (<= 0 (+ 2147483648 |timeShift_getWaterLevel_#res#1|)) (<= 0 ~pumpRunning~0) (= ~head~0.base 0) (= |#NULL.offset| 0) (<= |timeShift_getWaterLevel_~retValue_acc~5#1| 2147483647) (= ~switchedOnBeforeTS~0 0) (<= 0 |#StackHeapBarrier|) (= ~pumpRunning~0 |timeShift___utac_acc__Specification5_spec__3_~tmp___0~3#1|) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2022-11-03 01:49:49,245 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 01:49:49,246 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 01:49:49,246 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9, 9] total 20 [2022-11-03 01:49:49,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258167372] [2022-11-03 01:49:49,246 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 01:49:49,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-03 01:49:49,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:49:49,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-03 01:49:49,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=259, Invalid=1997, Unknown=0, NotChecked=0, Total=2256 [2022-11-03 01:49:49,249 INFO L87 Difference]: Start difference. First operand 279 states and 327 transitions. Second operand has 20 states, 20 states have (on average 5.0) internal successors, (100), 20 states have internal predecessors, (100), 7 states have call successors, (18), 5 states have call predecessors, (18), 7 states have return successors, (19), 7 states have call predecessors, (19), 7 states have call successors, (19) [2022-11-03 01:49:50,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:49:50,914 INFO L93 Difference]: Finished difference Result 786 states and 1013 transitions. [2022-11-03 01:49:50,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-11-03 01:49:50,915 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 5.0) internal successors, (100), 20 states have internal predecessors, (100), 7 states have call successors, (18), 5 states have call predecessors, (18), 7 states have return successors, (19), 7 states have call predecessors, (19), 7 states have call successors, (19) Word has length 80 [2022-11-03 01:49:50,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:49:50,918 INFO L225 Difference]: With dead ends: 786 [2022-11-03 01:49:50,919 INFO L226 Difference]: Without dead ends: 515 [2022-11-03 01:49:50,921 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 219 SyntacticMatches, 1 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1794 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=631, Invalid=4919, Unknown=0, NotChecked=0, Total=5550 [2022-11-03 01:49:50,922 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 377 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 1010 mSolverCounterSat, 268 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 380 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 1278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 268 IncrementalHoareTripleChecker+Valid, 1010 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-03 01:49:50,922 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [380 Valid, 415 Invalid, 1278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [268 Valid, 1010 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-03 01:49:50,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2022-11-03 01:49:50,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 324. [2022-11-03 01:49:50,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 214 states have (on average 1.1401869158878504) internal successors, (244), 236 states have internal predecessors, (244), 54 states have call successors, (54), 49 states have call predecessors, (54), 55 states have return successors, (69), 55 states have call predecessors, (69), 54 states have call successors, (69) [2022-11-03 01:49:50,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 367 transitions. [2022-11-03 01:49:50,970 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 367 transitions. Word has length 80 [2022-11-03 01:49:50,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:49:50,970 INFO L495 AbstractCegarLoop]: Abstraction has 324 states and 367 transitions. [2022-11-03 01:49:50,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 5.0) internal successors, (100), 20 states have internal predecessors, (100), 7 states have call successors, (18), 5 states have call predecessors, (18), 7 states have return successors, (19), 7 states have call predecessors, (19), 7 states have call successors, (19) [2022-11-03 01:49:50,971 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 367 transitions. [2022-11-03 01:49:50,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-03 01:49:50,972 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:49:50,972 INFO L195 NwaCegarLoop]: trace histogram [5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:49:50,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b61bb0-a954-47b4-8bfd-4efc2b61a5d4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-03 01:49:51,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b61bb0-a954-47b4-8bfd-4efc2b61a5d4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-03 01:49:51,185 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:49:51,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:49:51,185 INFO L85 PathProgramCache]: Analyzing trace with hash -87770958, now seen corresponding path program 1 times [2022-11-03 01:49:51,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:49:51,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230994764] [2022-11-03 01:49:51,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:49:51,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:49:51,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:49:52,234 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 15 proven. 36 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-03 01:49:52,235 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:49:52,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230994764] [2022-11-03 01:49:52,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230994764] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 01:49:52,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1440110679] [2022-11-03 01:49:52,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:49:52,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:49:52,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b61bb0-a954-47b4-8bfd-4efc2b61a5d4/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:49:52,245 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b61bb0-a954-47b4-8bfd-4efc2b61a5d4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 01:49:52,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b61bb0-a954-47b4-8bfd-4efc2b61a5d4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-03 01:49:52,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:49:52,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 536 conjuncts, 30 conjunts are in the unsatisfiable core [2022-11-03 01:49:52,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:49:52,727 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 55 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-03 01:49:52,727 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:49:53,280 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 49 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-03 01:49:53,280 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1440110679] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:49:53,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [845007081] [2022-11-03 01:49:53,282 INFO L159 IcfgInterpreter]: Started Sifa with 37 locations of interest [2022-11-03 01:49:53,283 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 01:49:53,283 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 01:49:53,283 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 01:49:53,283 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 01:49:58,322 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 35 for LOIs [2022-11-03 01:49:58,327 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 30 for LOIs [2022-11-03 01:49:58,572 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 40 for LOIs [2022-11-03 01:49:58,577 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 26 for LOIs [2022-11-03 01:49:58,592 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 01:50:04,195 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '8855#(and (<= 0 |old(~pumpRunning~0)|) (not (= |timeShift___utac_acc__Specification5_spec__3_~tmp~8#1| 2)) (= |timeShift_getWaterLevel_~retValue_acc~5#1| |timeShift_getWaterLevel_#res#1|) (= ~head~0.offset 0) (<= 1 ~systemActive~0) (= |timeShift___utac_acc__Specification5_spec__3_~tmp~8#1| |timeShift_getWaterLevel_#res#1|) (<= |timeShift___utac_acc__Specification5_spec__3_~tmp___0~3#1| 1) (not (= |timeShift___utac_acc__Specification5_spec__3_~tmp___0~3#1| 0)) (<= |old(~pumpRunning~0)| 2147483647) (<= |#NULL.offset| 0) (= |timeShift_getWaterLevel_~retValue_acc~5#1| ~waterLevel~0) (<= ~methaneLevelCritical~0 0) (<= 0 ~head~0.base) (<= 0 (+ 2147483648 |timeShift_getWaterLevel_#res#1|)) (<= 0 ~methaneLevelCritical~0) (<= 0 ~pumpRunning~0) (<= ~head~0.base 0) (<= 0 |#NULL.offset|) (<= |timeShift_getWaterLevel_~retValue_acc~5#1| 2147483647) (= ~switchedOnBeforeTS~0 0) (<= 0 |#StackHeapBarrier|) (= ~pumpRunning~0 |timeShift___utac_acc__Specification5_spec__3_~tmp___0~3#1|) (<= ~systemActive~0 1) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2022-11-03 01:50:04,195 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 01:50:04,195 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 01:50:04,195 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 11, 11] total 32 [2022-11-03 01:50:04,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519456375] [2022-11-03 01:50:04,196 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 01:50:04,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-11-03 01:50:04,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:50:04,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-11-03 01:50:04,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=365, Invalid=3175, Unknown=0, NotChecked=0, Total=3540 [2022-11-03 01:50:04,199 INFO L87 Difference]: Start difference. First operand 324 states and 367 transitions. Second operand has 32 states, 31 states have (on average 4.483870967741935) internal successors, (139), 31 states have internal predecessors, (139), 17 states have call successors, (26), 8 states have call predecessors, (26), 12 states have return successors, (24), 16 states have call predecessors, (24), 16 states have call successors, (24) [2022-11-03 01:50:07,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:50:07,682 INFO L93 Difference]: Finished difference Result 837 states and 990 transitions. [2022-11-03 01:50:07,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-11-03 01:50:07,682 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 4.483870967741935) internal successors, (139), 31 states have internal predecessors, (139), 17 states have call successors, (26), 8 states have call predecessors, (26), 12 states have return successors, (24), 16 states have call predecessors, (24), 16 states have call successors, (24) Word has length 85 [2022-11-03 01:50:07,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:50:07,683 INFO L225 Difference]: With dead ends: 837 [2022-11-03 01:50:07,683 INFO L226 Difference]: Without dead ends: 0 [2022-11-03 01:50:07,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 236 SyntacticMatches, 3 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3827 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=1333, Invalid=9379, Unknown=0, NotChecked=0, Total=10712 [2022-11-03 01:50:07,689 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 1315 mSDsluCounter, 877 mSDsCounter, 0 mSdLazyCounter, 1890 mSolverCounterSat, 940 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1320 SdHoareTripleChecker+Valid, 789 SdHoareTripleChecker+Invalid, 2830 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 940 IncrementalHoareTripleChecker+Valid, 1890 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-03 01:50:07,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1320 Valid, 789 Invalid, 2830 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [940 Valid, 1890 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-03 01:50:07,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-03 01:50:07,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-03 01:50:07,690 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) [2022-11-03 01:50:07,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-03 01:50:07,690 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 85 [2022-11-03 01:50:07,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:50:07,691 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-03 01:50:07,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 4.483870967741935) internal successors, (139), 31 states have internal predecessors, (139), 17 states have call successors, (26), 8 states have call predecessors, (26), 12 states have return successors, (24), 16 states have call predecessors, (24), 16 states have call successors, (24) [2022-11-03 01:50:07,691 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-03 01:50:07,691 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-03 01:50:07,694 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 01:50:07,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b61bb0-a954-47b4-8bfd-4efc2b61a5d4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-03 01:50:07,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b61bb0-a954-47b4-8bfd-4efc2b61a5d4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:50:07,914 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-03 01:50:16,682 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 102 108) no Hoare annotation was computed. [2022-11-03 01:50:16,683 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 102 108) the Hoare annotation is: true [2022-11-03 01:50:16,683 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 377 388) the Hoare annotation is: true [2022-11-03 01:50:16,683 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 377 388) no Hoare annotation was computed. [2022-11-03 01:50:16,683 INFO L899 garLoopResultBuilder]: For program point L929(line 929) no Hoare annotation was computed. [2022-11-03 01:50:16,683 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 908 937) no Hoare annotation was computed. [2022-11-03 01:50:16,684 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 908 937) the Hoare annotation is: true [2022-11-03 01:50:16,684 INFO L899 garLoopResultBuilder]: For program point L922(lines 922 926) no Hoare annotation was computed. [2022-11-03 01:50:16,684 INFO L902 garLoopResultBuilder]: At program point L922-1(lines 922 926) the Hoare annotation is: true [2022-11-03 01:50:16,684 INFO L902 garLoopResultBuilder]: At program point L918-2(lines 918 932) the Hoare annotation is: true [2022-11-03 01:50:16,684 INFO L902 garLoopResultBuilder]: At program point L914(line 914) the Hoare annotation is: true [2022-11-03 01:50:16,685 INFO L899 garLoopResultBuilder]: For program point L914-1(line 914) no Hoare annotation was computed. [2022-11-03 01:50:16,685 INFO L902 garLoopResultBuilder]: At program point L933(lines 908 937) the Hoare annotation is: true [2022-11-03 01:50:16,685 INFO L895 garLoopResultBuilder]: At program point L155(line 155) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse1 (= 0 ~systemActive~0))) (let ((.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse8 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse7 (not (= |old(~pumpRunning~0)| 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse9 (not (< |old(~waterLevel~0)| 3))) (.cse10 (and .cse2 .cse4 .cse3 (not .cse1)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (and .cse2 (= ~waterLevel~0 1) .cse3)) (or .cse0 (and .cse2 .cse4 .cse3) .cse1 .cse5 .cse6) (or .cse7 .cse1 .cse5 .cse6) (or .cse8 .cse0 .cse1 .cse9 .cse10) (or .cse8 .cse7 .cse1 .cse9) (or .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse9 .cse10)))) [2022-11-03 01:50:16,686 INFO L895 garLoopResultBuilder]: At program point L155-1(lines 136 160) the Hoare annotation is: (let ((.cse7 (= ~pumpRunning~0 0)) (.cse9 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse11 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= 0 ~systemActive~0)) (.cse12 (= ~pumpRunning~0 1))) (let ((.cse4 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) .cse11 (not .cse2) .cse12)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and .cse7 .cse11 .cse9)) (.cse15 (not (<= |old(~waterLevel~0)| 0))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse8 (= ~waterLevel~0 1)) (.cse10 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse13 (not (= |old(~pumpRunning~0)| 1))) (.cse14 (<= 1 ~switchedOnBeforeTS~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse4 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (not (< |old(~waterLevel~0)| 3))) (or .cse0 .cse6 .cse2 (and .cse7 .cse8 .cse9)) (or .cse10 (and .cse11 .cse9 .cse12) .cse13 (and .cse7 .cse11 .cse14) .cse2 .cse15) (or .cse10 .cse0 .cse1 .cse2 .cse15) (or .cse13 (and .cse8 .cse9 .cse12) .cse2 .cse3 .cse5 (and .cse7 .cse8 .cse14)) (let ((.cse16 (+ ~waterLevel~0 1))) (let ((.cse17 (or (and (= |old(~waterLevel~0)| .cse16) (< 0 |old(~waterLevel~0)|)) .cse11))) (or .cse10 .cse6 .cse13 (and .cse7 (<= .cse16 |old(~waterLevel~0)|) .cse17 .cse14) .cse2 (and (<= ~waterLevel~0 0) .cse17 .cse9 .cse12))))))) [2022-11-03 01:50:16,686 INFO L895 garLoopResultBuilder]: At program point L89-1(lines 89 95) the Hoare annotation is: (let ((.cse7 (= ~pumpRunning~0 0)) (.cse9 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse11 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= 0 ~systemActive~0)) (.cse12 (= ~pumpRunning~0 1))) (let ((.cse4 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) .cse11 (not .cse2) .cse12)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and .cse7 .cse11 .cse9)) (.cse15 (not (<= |old(~waterLevel~0)| 0))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse8 (= ~waterLevel~0 1)) (.cse10 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse13 (not (= |old(~pumpRunning~0)| 1))) (.cse14 (<= 1 ~switchedOnBeforeTS~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse4 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (not (< |old(~waterLevel~0)| 3))) (or .cse0 .cse6 .cse2 (and .cse7 .cse8 .cse9)) (or .cse10 (and .cse11 .cse9 .cse12) .cse13 (and .cse7 .cse11 .cse14) .cse2 .cse15) (or .cse10 .cse0 .cse1 .cse2 .cse15) (or .cse13 (and .cse8 .cse9 .cse12) .cse2 .cse3 .cse5 (and .cse7 .cse8 .cse14)) (let ((.cse16 (+ ~waterLevel~0 1))) (let ((.cse17 (or (and (= |old(~waterLevel~0)| .cse16) (< 0 |old(~waterLevel~0)|)) .cse11))) (or .cse10 .cse6 .cse13 (and .cse7 (<= .cse16 |old(~waterLevel~0)|) .cse17 .cse14) .cse2 (and (<= ~waterLevel~0 0) .cse17 .cse9 .cse12))))))) [2022-11-03 01:50:16,687 INFO L895 garLoopResultBuilder]: At program point L849(line 849) the Hoare annotation is: (let ((.cse11 (= ~pumpRunning~0 0)) (.cse6 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~8#1| ~waterLevel~0)) (.cse16 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (let ((.cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse12 (<= 1 ~switchedOnBeforeTS~0)) (.cse5 (not (= |old(~pumpRunning~0)| 1))) (.cse9 (= ~pumpRunning~0 1)) (.cse2 (and .cse11 .cse6 .cse16 .cse8)) (.cse4 (not (< |old(~waterLevel~0)| 3))) (.cse10 (not (<= |old(~waterLevel~0)| 2))) (.cse13 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (= ~waterLevel~0 1)) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 (and .cse6 .cse7 .cse8 .cse9) .cse3 .cse10 (and .cse11 .cse6 .cse7 .cse12) .cse13) (let ((.cse15 (+ ~waterLevel~0 1))) (let ((.cse14 (or (and (= |old(~waterLevel~0)| .cse15) (< 0 |old(~waterLevel~0)|)) .cse16))) (or .cse0 (not (<= |old(~waterLevel~0)| 1)) (and .cse11 .cse6 .cse14 (or (<= |old(~waterLevel~0)| 0) (<= .cse15 |old(~waterLevel~0)|)) .cse12) .cse5 (and (<= ~waterLevel~0 0) .cse6 .cse14 .cse8 .cse9) .cse3))) (or .cse1 .cse2 .cse3 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse4) (or .cse1 .cse3 .cse10 .cse13) (or .cse1 (not (= |old(~waterLevel~0)| 1)) (and .cse11 .cse6 .cse7 .cse8) .cse3)))) [2022-11-03 01:50:16,687 INFO L899 garLoopResultBuilder]: For program point L849-1(line 849) no Hoare annotation was computed. [2022-11-03 01:50:16,688 INFO L899 garLoopResultBuilder]: For program point L82-2(lines 78 100) no Hoare annotation was computed. [2022-11-03 01:50:16,688 INFO L895 garLoopResultBuilder]: At program point L144(lines 144 152) the Hoare annotation is: (let ((.cse2 (not (< |old(~waterLevel~0)| 3))) (.cse3 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse5 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse6 (= ~pumpRunning~0 1)) (.cse4 (not (= |old(~pumpRunning~0)| 1))) (.cse7 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse9 (not (= |old(~waterLevel~0)| 1))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse2) (or .cse3 .cse0 .cse1 .cse2) (or .cse4 (and (= ~waterLevel~0 1) .cse5 .cse6) .cse1 .cse7 .cse8) (or .cse3 .cse9 .cse4 .cse1 (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse5 .cse6)) (or .cse3 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse5 .cse6) .cse4 .cse1 (not (<= |old(~waterLevel~0)| 0))) (or .cse0 .cse1 .cse7 .cse8) (or .cse0 .cse9 .cse1))) [2022-11-03 01:50:16,688 INFO L895 garLoopResultBuilder]: At program point L140(lines 140 157) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse1 (= 0 ~systemActive~0))) (let ((.cse3 (= ~waterLevel~0 1)) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (<= 2 |old(~waterLevel~0)|))) (.cse10 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse8 (not (= |old(~pumpRunning~0)| 1))) (.cse9 (= ~pumpRunning~0 1)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse11 (not (< |old(~waterLevel~0)| 3))) (.cse12 (and .cse2 .cse5 .cse4 (not .cse1)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (and .cse2 .cse3 .cse4)) (or .cse0 (and .cse2 .cse5 .cse4) .cse1 .cse6 .cse7) (or .cse8 (and .cse3 .cse4 .cse9) .cse1 .cse6 .cse7) (or .cse10 .cse0 .cse1 .cse11 .cse12) (or .cse10 (not (<= |old(~waterLevel~0)| 1)) .cse8 .cse1 (and (<= ~waterLevel~0 0) (or (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) (< 0 |old(~waterLevel~0)|)) .cse5) .cse4 .cse9)) (or .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse11 .cse12)))) [2022-11-03 01:50:16,689 INFO L895 garLoopResultBuilder]: At program point L834(line 834) the Hoare annotation is: (let ((.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse8 (not (<= |old(~waterLevel~0)| 2))) (.cse9 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| 1))) (.cse10 (and .cse7 (= ~pumpRunning~0 1))) (.cse4 (not (< |old(~waterLevel~0)| 3))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 (and .cse6 .cse7 .cse3) .cse2 .cse4) (or .cse5 (and .cse6 .cse7 (<= 1 ~switchedOnBeforeTS~0)) .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse4) (or .cse5 (and .cse6 .cse7) .cse2 .cse8 .cse9) (or .cse1 .cse2 .cse8 .cse10 .cse9) (or .cse0 .cse1 .cse2 .cse10 .cse4) (or .cse5 (not (= |old(~waterLevel~0)| 1)) (and .cse6 (= ~waterLevel~0 1)) .cse2)))) [2022-11-03 01:50:16,689 INFO L895 garLoopResultBuilder]: At program point L834-1(line 834) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0)) (.cse11 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse12 (= ~waterLevel~0 1))) (let ((.cse9 (= ~pumpRunning~0 0)) (.cse10 (= ~pumpRunning~0 |timeShift___utac_acc__Specification5_spec__2_#t~ret49#1|)) (.cse16 (or .cse11 .cse12)) (.cse17 (not .cse3))) (let ((.cse13 (and .cse9 .cse10 .cse16 (<= 1 ~switchedOnBeforeTS~0) .cse17)) (.cse15 (and .cse9 .cse10 .cse16 (= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse17))) (let ((.cse7 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse5 (and .cse10 .cse11 (= ~pumpRunning~0 1))) (.cse6 (not (= |old(~pumpRunning~0)| 1))) (.cse4 (not (< |old(~waterLevel~0)| 3))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (and .cse11 (or .cse13 .cse15))) (.cse14 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse7 .cse8) (or .cse1 (and .cse9 .cse10 .cse11) .cse3 .cse7 .cse8) (or .cse1 (not (= |old(~waterLevel~0)| 1)) (and .cse9 .cse10 .cse12) .cse3) (or .cse0 .cse5 .cse6 .cse3 .cse4) (or .cse1 .cse13 .cse3 .cse14 .cse15 .cse4) (or (not (<= |old(~waterLevel~0)| 1)) .cse1 .cse2 .cse3 .cse14)))))) [2022-11-03 01:50:16,690 INFO L895 garLoopResultBuilder]: At program point L54(line 54) the Hoare annotation is: (let ((.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse3 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse4 (not (= |old(~pumpRunning~0)| 1))) (.cse2 (not (< |old(~waterLevel~0)| 3))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse2) (or .cse3 .cse0 .cse1 .cse2) (or .cse4 .cse1 .cse5 .cse6) (or .cse0 .cse1 .cse5 .cse6) (or .cse3 .cse4 .cse1 .cse2) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1))) [2022-11-03 01:50:16,690 INFO L899 garLoopResultBuilder]: For program point L851(lines 851 861) no Hoare annotation was computed. [2022-11-03 01:50:16,690 INFO L899 garLoopResultBuilder]: For program point L847(lines 847 864) no Hoare annotation was computed. [2022-11-03 01:50:16,691 INFO L895 garLoopResultBuilder]: At program point L847-1(lines 839 867) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 1)) (.cse7 (= ~pumpRunning~0 0)) (.cse1 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~8#1| ~waterLevel~0)) (.cse13 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (let ((.cse8 (<= 1 ~switchedOnBeforeTS~0)) (.cse0 (not (= |old(~pumpRunning~0)| 1))) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse9 (not (<= 2 |old(~waterLevel~0)|))) (.cse10 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse15 (and .cse7 .cse1 .cse13 .cse3)) (.cse16 (and (<= 2 ~waterLevel~0) .cse1 .cse13 .cse4)) (.cse17 (not (< |old(~waterLevel~0)| 3))) (.cse14 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= ~waterLevel~0 1)) (.cse5 (= 0 ~systemActive~0))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4) .cse5 .cse6 (and .cse7 .cse1 .cse2 .cse8) .cse9) (let ((.cse12 (+ ~waterLevel~0 1))) (let ((.cse11 (or (and (= |old(~waterLevel~0)| .cse12) (< 0 |old(~waterLevel~0)|)) .cse13))) (or .cse10 (not (<= |old(~waterLevel~0)| 1)) (and .cse7 .cse1 .cse11 (or (<= |old(~waterLevel~0)| 0) (<= .cse12 |old(~waterLevel~0)|)) .cse8) .cse0 (and (<= ~waterLevel~0 0) .cse1 .cse11 .cse3 .cse4) .cse5))) (or .cse14 (and .cse1 .cse13 .cse4) .cse15 .cse5 .cse6 .cse9) (or .cse10 .cse14 .cse15 .cse16 .cse5 .cse17) (or .cse14 .cse15 .cse16 .cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse17) (or .cse14 (not (= |old(~waterLevel~0)| 1)) (and .cse7 .cse1 .cse2 .cse3) .cse5)))) [2022-11-03 01:50:16,691 INFO L895 garLoopResultBuilder]: At program point L150(line 150) the Hoare annotation is: (let ((.cse2 (not (< |old(~waterLevel~0)| 3))) (.cse3 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse5 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse6 (= ~pumpRunning~0 1)) (.cse4 (not (= |old(~pumpRunning~0)| 1))) (.cse7 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse9 (not (= |old(~waterLevel~0)| 1))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse2) (or .cse3 .cse0 .cse1 .cse2) (or .cse4 (and (= ~waterLevel~0 1) .cse5 .cse6) .cse1 .cse7 .cse8) (or .cse3 .cse9 .cse4 .cse1 (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse5 .cse6)) (or .cse3 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse5 .cse6) .cse4 .cse1 (not (<= |old(~waterLevel~0)| 0))) (or .cse0 .cse1 .cse7 .cse8) (or .cse0 .cse9 .cse1))) [2022-11-03 01:50:16,691 INFO L899 garLoopResultBuilder]: For program point L852(lines 852 858) no Hoare annotation was computed. [2022-11-03 01:50:16,692 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 75 101) the Hoare annotation is: (let ((.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse8 (not (<= |old(~waterLevel~0)| 2))) (.cse9 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| 1))) (.cse10 (and .cse7 (= ~pumpRunning~0 1))) (.cse4 (not (< |old(~waterLevel~0)| 3))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 (and .cse6 .cse7 .cse3) .cse2 .cse4) (or .cse5 (and .cse6 .cse7 (<= 1 ~switchedOnBeforeTS~0)) .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse4) (or .cse5 (and .cse6 .cse7) .cse2 .cse8 .cse9) (or .cse1 .cse2 .cse8 .cse10 .cse9) (or .cse0 .cse1 .cse2 .cse10 .cse4) (or .cse5 (not (= |old(~waterLevel~0)| 1)) (and .cse6 (= ~waterLevel~0 1)) .cse2)))) [2022-11-03 01:50:16,692 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 75 101) no Hoare annotation was computed. [2022-11-03 01:50:16,692 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2022-11-03 01:50:16,692 INFO L895 garLoopResultBuilder]: At program point L341(lines 292 342) the Hoare annotation is: false [2022-11-03 01:50:16,693 INFO L895 garLoopResultBuilder]: At program point L990(lines 990 997) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (= 0 ~systemActive~0))) [2022-11-03 01:50:16,693 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-11-03 01:50:16,693 INFO L902 garLoopResultBuilder]: At program point L990-2(lines 990 997) the Hoare annotation is: true [2022-11-03 01:50:16,693 INFO L899 garLoopResultBuilder]: For program point L313(lines 313 319) no Hoare annotation was computed. [2022-11-03 01:50:16,693 INFO L895 garLoopResultBuilder]: At program point L313-1(lines 313 319) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (= ~pumpRunning~0 1)) (.cse6 (<= 2 ~waterLevel~0)) (.cse7 (<= ~waterLevel~0 2)) (.cse5 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (< ~waterLevel~0 3)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse2 .cse3) (and .cse5 .cse0 (= ~waterLevel~0 1) .cse3) (and .cse6 .cse0 .cse7 .cse3 .cse4) (and .cse5 .cse6 .cse0 .cse7 .cse3) (and .cse5 .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse3))) [2022-11-03 01:50:16,694 INFO L895 garLoopResultBuilder]: At program point L338(lines 293 340) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 1)) (.cse4 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (<= ~waterLevel~0 2)) (.cse1 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse2 (not (= 0 ~systemActive~0)))) (or (and .cse0 (< ~waterLevel~0 3) .cse1 .cse2 .cse3) (and .cse4 .cse0 (= ~waterLevel~0 1) .cse2) (and (<= 2 ~waterLevel~0) .cse0 .cse5 .cse2 .cse3) (and .cse4 (<= ~waterLevel~0 1) .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse2) (and .cse4 .cse0 .cse5 .cse1 .cse2))) [2022-11-03 01:50:16,694 INFO L895 garLoopResultBuilder]: At program point L305(line 305) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (= ~pumpRunning~0 1)) (.cse6 (<= 2 ~waterLevel~0)) (.cse7 (<= ~waterLevel~0 2)) (.cse5 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (< ~waterLevel~0 3)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse2 .cse3) (and .cse6 .cse0 .cse7 .cse3 .cse4) (and (or (and .cse5 .cse0 (= ~waterLevel~0 1)) (and .cse5 .cse6 .cse0 .cse7)) .cse3) (and .cse5 .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse3))) [2022-11-03 01:50:16,694 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-03 01:50:16,694 INFO L895 garLoopResultBuilder]: At program point L331-2(lines 323 336) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (= ~pumpRunning~0 1)) (.cse6 (<= 2 ~waterLevel~0)) (.cse7 (<= ~waterLevel~0 2)) (.cse5 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (< ~waterLevel~0 3)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse2 .cse3) (and .cse5 .cse0 (= ~waterLevel~0 1) .cse3) (and .cse6 .cse0 .cse7 .cse3 .cse4) (and .cse5 .cse6 .cse0 .cse7 .cse3) (and .cse5 .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse3))) [2022-11-03 01:50:16,695 INFO L899 garLoopResultBuilder]: For program point L294(lines 293 340) no Hoare annotation was computed. [2022-11-03 01:50:16,695 INFO L895 garLoopResultBuilder]: At program point L315(line 315) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (= ~pumpRunning~0 1)) (.cse6 (<= 2 ~waterLevel~0)) (.cse7 (<= ~waterLevel~0 2)) (.cse5 (= ~pumpRunning~0 0)) (.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse1 (< ~waterLevel~0 3)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse2 .cse3) (and .cse5 .cse0 (= ~waterLevel~0 1) .cse3) (and .cse6 .cse0 .cse7 .cse3 .cse4) (and .cse5 .cse6 .cse0 .cse7 .cse3) (and .cse5 .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse3))) [2022-11-03 01:50:16,695 INFO L902 garLoopResultBuilder]: At program point L344(lines 283 348) the Hoare annotation is: true [2022-11-03 01:50:16,695 INFO L899 garLoopResultBuilder]: For program point L303(lines 303 309) no Hoare annotation was computed. [2022-11-03 01:50:16,695 INFO L899 garLoopResultBuilder]: For program point L303-1(lines 303 309) no Hoare annotation was computed. [2022-11-03 01:50:16,696 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 110 134) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 1))) (.cse3 (= ~pumpRunning~0 1)) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3) (or (not (<= ~waterLevel~0 0)) .cse0 .cse1 .cse2 .cse3) (or (not (= |old(~pumpRunning~0)| 0)) (not (<= ~waterLevel~0 2)) .cse1 (= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2))) [2022-11-03 01:50:16,696 INFO L895 garLoopResultBuilder]: At program point L124(line 124) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 1))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (not (<= ~waterLevel~0 0)) .cse0 .cse1 .cse2) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse3 (not (<= ~waterLevel~0 2)) .cse1 (= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) (or .cse3 (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| 0) (not (<= ~waterLevel~0 1)) .cse1 .cse2))) [2022-11-03 01:50:16,696 INFO L895 garLoopResultBuilder]: At program point L118(lines 118 126) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 1))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (not (<= ~waterLevel~0 0)) .cse0 .cse1 .cse2) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse3 (not (<= ~waterLevel~0 2)) .cse1 (= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) (or .cse3 (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| 0) (not (<= ~waterLevel~0 1)) .cse1 .cse2))) [2022-11-03 01:50:16,697 INFO L895 garLoopResultBuilder]: At program point L114(lines 114 131) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 1))) (.cse3 (= ~pumpRunning~0 1)) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3) (or (not (<= ~waterLevel~0 0)) .cse0 .cse1 .cse2 .cse3) (or (not (= |old(~pumpRunning~0)| 0)) (not (<= ~waterLevel~0 2)) .cse1 (= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2))) [2022-11-03 01:50:16,697 INFO L895 garLoopResultBuilder]: At program point L129(line 129) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 1))) (.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (= ~pumpRunning~0 1))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (< ~waterLevel~0 3)) .cse1) (or (not (= ~waterLevel~0 1)) .cse2 .cse0 .cse1 .cse3) (or (not (<= ~waterLevel~0 0)) .cse2 .cse0 .cse1 .cse3))) [2022-11-03 01:50:16,697 INFO L899 garLoopResultBuilder]: For program point L129-1(lines 110 134) no Hoare annotation was computed. [2022-11-03 01:50:16,697 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 110 134) no Hoare annotation was computed. [2022-11-03 01:50:16,698 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 365 376) no Hoare annotation was computed. [2022-11-03 01:50:16,698 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 365 376) the Hoare annotation is: (let ((.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse6 (not (= ~pumpRunning~0 1))) (.cse5 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (= 0 ~systemActive~0))) (and (or (and (or .cse0 .cse1 .cse2) (or .cse0 (not (= |old(~waterLevel~0)| 1)))) .cse3 .cse4) (or .cse0 .cse5 .cse3 .cse4 (not (<= |old(~waterLevel~0)| 0))) (or .cse6 .cse3 .cse4 .cse1 .cse2) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse3 .cse4 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse6 .cse5 .cse3 .cse4 (not (< |old(~waterLevel~0)| 3))))) [2022-11-03 01:50:16,698 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 188 196) no Hoare annotation was computed. [2022-11-03 01:50:16,698 INFO L902 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 188 196) the Hoare annotation is: true [2022-11-03 01:50:16,702 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:50:16,704 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 01:50:16,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 01:50:16 BoogieIcfgContainer [2022-11-03 01:50:16,742 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 01:50:16,743 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 01:50:16,743 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 01:50:16,743 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 01:50:16,744 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:49:17" (3/4) ... [2022-11-03 01:50:16,747 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-03 01:50:16,753 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-03 01:50:16,753 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-03 01:50:16,753 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-03 01:50:16,754 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-03 01:50:16,754 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-11-03 01:50:16,754 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-03 01:50:16,754 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-11-03 01:50:16,761 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 77 nodes and edges [2022-11-03 01:50:16,762 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-11-03 01:50:16,763 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-11-03 01:50:16,763 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-03 01:50:16,764 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-03 01:50:16,764 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 01:50:16,765 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 01:50:16,790 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || (\old(waterLevel) == waterLevel && (((((pumpRunning == 0 && pumpRunning == aux-isPumpRunning()-aux) && (\old(waterLevel) == waterLevel || waterLevel == 1)) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || ((((pumpRunning == 0 && pumpRunning == aux-isPumpRunning()-aux) && (\old(waterLevel) == waterLevel || waterLevel == 1)) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive))))) || 0 == systemActive) || !(\old(waterLevel) < 3)) && ((((((pumpRunning == aux-isPumpRunning()-aux && \old(waterLevel) == waterLevel) && pumpRunning == 1) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && pumpRunning == aux-isPumpRunning()-aux) && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || ((pumpRunning == 0 && pumpRunning == aux-isPumpRunning()-aux) && waterLevel == 1)) || 0 == systemActive)) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || ((pumpRunning == aux-isPumpRunning()-aux && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(\old(waterLevel) < 3))) && (((((!(\old(pumpRunning) == 0) || ((((pumpRunning == 0 && pumpRunning == aux-isPumpRunning()-aux) && (\old(waterLevel) == waterLevel || waterLevel == 1)) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) || ((((pumpRunning == 0 && pumpRunning == aux-isPumpRunning()-aux) && (\old(waterLevel) == waterLevel || waterLevel == 1)) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive))) || !(\old(waterLevel) < 3))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (\old(waterLevel) == waterLevel && (((((pumpRunning == 0 && pumpRunning == aux-isPumpRunning()-aux) && (\old(waterLevel) == waterLevel || waterLevel == 1)) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || ((((pumpRunning == 0 && pumpRunning == aux-isPumpRunning()-aux) && (\old(waterLevel) == waterLevel || waterLevel == 1)) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive))))) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) [2022-11-03 01:50:16,791 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((((2 <= waterLevel && waterLevel <= 2) && \old(waterLevel) == waterLevel) && !(0 == systemActive)) && pumpRunning == 1)) || !(2 <= \old(waterLevel))) && (((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || ((((2 <= waterLevel && waterLevel <= 2) && \old(waterLevel) == waterLevel) && !(0 == systemActive)) && pumpRunning == 1)) || !(1 <= \old(switchedOnBeforeTS))) || !(\old(waterLevel) < 3))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) || ((pumpRunning == 0 && waterLevel == 1) && pumpRunning == switchedOnBeforeTS))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || ((\old(waterLevel) == waterLevel && pumpRunning == switchedOnBeforeTS) && pumpRunning == 1)) || !(\old(pumpRunning) == 1)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 0))) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 0))) && (((((!(\old(pumpRunning) == 1) || ((waterLevel == 1 && pumpRunning == switchedOnBeforeTS) && pumpRunning == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 1)) || (((pumpRunning == 0 && waterLevel + 1 <= \old(waterLevel)) && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || \old(waterLevel) == waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || (((waterLevel <= 0 && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || \old(waterLevel) == waterLevel)) && pumpRunning == switchedOnBeforeTS) && pumpRunning == 1)) [2022-11-03 01:50:16,791 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(\old(pumpRunning) == 1) || (((tmp == waterLevel && waterLevel == 1) && pumpRunning == switchedOnBeforeTS) && pumpRunning == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((pumpRunning == 0 && tmp == waterLevel) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(2 <= \old(waterLevel))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || ((((pumpRunning == 0 && tmp == waterLevel) && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || \old(waterLevel) == waterLevel)) && (\old(waterLevel) <= 0 || waterLevel + 1 <= \old(waterLevel))) && 1 <= switchedOnBeforeTS)) || !(\old(pumpRunning) == 1)) || ((((waterLevel <= 0 && tmp == waterLevel) && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || \old(waterLevel) == waterLevel)) && pumpRunning == switchedOnBeforeTS) && pumpRunning == 1)) || 0 == systemActive)) && (((((!(\old(pumpRunning) == 0) || ((tmp == waterLevel && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || (((pumpRunning == 0 && tmp == waterLevel) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || (((pumpRunning == 0 && tmp == waterLevel) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || (((2 <= waterLevel && tmp == waterLevel) && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || 0 == systemActive) || !(\old(waterLevel) < 3))) && (((((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && tmp == waterLevel) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || (((2 <= waterLevel && tmp == waterLevel) && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) || !(\old(waterLevel) < 3))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (((pumpRunning == 0 && tmp == waterLevel) && waterLevel == 1) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) [2022-11-03 01:50:16,792 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) || ((pumpRunning == 0 && waterLevel == 1) && pumpRunning == switchedOnBeforeTS)) && ((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(\old(pumpRunning) == 1) || ((waterLevel == 1 && pumpRunning == switchedOnBeforeTS) && pumpRunning == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || 0 == systemActive) || !(\old(waterLevel) < 3)) || (((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive)))) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || (((waterLevel <= 0 && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || \old(waterLevel) == waterLevel)) && pumpRunning == switchedOnBeforeTS) && pumpRunning == 1))) && ((((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) || !(\old(waterLevel) < 3)) || (((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive))) [2022-11-03 01:50:16,792 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) || !(\old(waterLevel) < 3)) && (((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || 0 == systemActive) || !(\old(waterLevel) < 3))) && (((!(\old(pumpRunning) == 1) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(\old(waterLevel) < 3))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) [2022-11-03 01:50:16,792 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((((2 <= waterLevel && waterLevel <= 2) && \old(waterLevel) == waterLevel) && !(0 == systemActive)) && pumpRunning == 1)) || !(2 <= \old(waterLevel))) && (((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || ((((2 <= waterLevel && waterLevel <= 2) && \old(waterLevel) == waterLevel) && !(0 == systemActive)) && pumpRunning == 1)) || !(1 <= \old(switchedOnBeforeTS))) || !(\old(waterLevel) < 3))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) || ((pumpRunning == 0 && waterLevel == 1) && pumpRunning == switchedOnBeforeTS))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || ((\old(waterLevel) == waterLevel && pumpRunning == switchedOnBeforeTS) && pumpRunning == 1)) || !(\old(pumpRunning) == 1)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 0))) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 0))) && (((((!(\old(pumpRunning) == 1) || ((waterLevel == 1 && pumpRunning == switchedOnBeforeTS) && pumpRunning == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 1)) || (((pumpRunning == 0 && waterLevel + 1 <= \old(waterLevel)) && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || \old(waterLevel) == waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || (((waterLevel <= 0 && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || \old(waterLevel) == waterLevel)) && pumpRunning == switchedOnBeforeTS) && pumpRunning == 1)) [2022-11-03 01:50:16,793 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(waterLevel == 1) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(switchedOnBeforeTS == \old(pumpRunning))) || pumpRunning == 1) && ((((!(waterLevel <= 0) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(switchedOnBeforeTS == \old(pumpRunning))) || pumpRunning == 1)) && ((((!(\old(pumpRunning) == 0) || !(waterLevel <= 2)) || 0 == systemActive) || pumpRunning == switchedOnBeforeTS) || !(switchedOnBeforeTS == \old(pumpRunning))) [2022-11-03 01:50:16,793 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) || !(\old(waterLevel) < 3)) && (((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || 0 == systemActive) || !(\old(waterLevel) < 3))) && ((((!(\old(pumpRunning) == 1) || ((waterLevel == 1 && pumpRunning == switchedOnBeforeTS) && pumpRunning == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || ((\old(waterLevel) == waterLevel + 1 && pumpRunning == switchedOnBeforeTS) && pumpRunning == 1))) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || ((\old(waterLevel) == waterLevel && pumpRunning == switchedOnBeforeTS) && pumpRunning == 1)) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 0))) && (((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) [2022-11-03 01:50:16,794 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(waterLevel <= 0) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(switchedOnBeforeTS == \old(pumpRunning))) && (((!(waterLevel == 1) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(switchedOnBeforeTS == \old(pumpRunning)))) && ((((!(\old(pumpRunning) == 0) || !(waterLevel <= 2)) || 0 == systemActive) || pumpRunning == switchedOnBeforeTS) || !(switchedOnBeforeTS == \old(pumpRunning)))) && ((((!(\old(pumpRunning) == 0) || tmp == 0) || !(waterLevel <= 1)) || 0 == systemActive) || !(switchedOnBeforeTS == \old(pumpRunning))) [2022-11-03 01:50:16,815 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b61bb0-a954-47b4-8bfd-4efc2b61a5d4/bin/utaipan-7li7fVZpFI/witness.graphml [2022-11-03 01:50:16,816 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 01:50:16,816 INFO L158 Benchmark]: Toolchain (without parser) took 61408.37ms. Allocated memory was 117.4MB in the beginning and 526.4MB in the end (delta: 408.9MB). Free memory was 84.1MB in the beginning and 233.7MB in the end (delta: -149.6MB). Peak memory consumption was 258.8MB. Max. memory is 16.1GB. [2022-11-03 01:50:16,816 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 68.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 01:50:16,817 INFO L158 Benchmark]: CACSL2BoogieTranslator took 679.50ms. Allocated memory is still 117.4MB. Free memory was 83.8MB in the beginning and 82.8MB in the end (delta: 1.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-03 01:50:16,817 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.79ms. Allocated memory is still 117.4MB. Free memory was 82.8MB in the beginning and 80.3MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-03 01:50:16,817 INFO L158 Benchmark]: Boogie Preprocessor took 67.39ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 78.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 01:50:16,818 INFO L158 Benchmark]: RCFGBuilder took 796.49ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 78.6MB in the beginning and 115.7MB in the end (delta: -37.1MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. [2022-11-03 01:50:16,818 INFO L158 Benchmark]: TraceAbstraction took 59707.14ms. Allocated memory was 142.6MB in the beginning and 526.4MB in the end (delta: 383.8MB). Free memory was 115.3MB in the beginning and 239.0MB in the end (delta: -123.7MB). Peak memory consumption was 318.8MB. Max. memory is 16.1GB. [2022-11-03 01:50:16,818 INFO L158 Benchmark]: Witness Printer took 73.05ms. Allocated memory is still 526.4MB. Free memory was 239.0MB in the beginning and 233.7MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-03 01:50:16,820 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 68.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 679.50ms. Allocated memory is still 117.4MB. Free memory was 83.8MB in the beginning and 82.8MB in the end (delta: 1.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.79ms. Allocated memory is still 117.4MB. Free memory was 82.8MB in the beginning and 80.3MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.39ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 78.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 796.49ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 78.6MB in the beginning and 115.7MB in the end (delta: -37.1MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. * TraceAbstraction took 59707.14ms. Allocated memory was 142.6MB in the beginning and 526.4MB in the end (delta: 383.8MB). Free memory was 115.3MB in the beginning and 239.0MB in the end (delta: -123.7MB). Peak memory consumption was 318.8MB. Max. memory is 16.1GB. * Witness Printer took 73.05ms. Allocated memory is still 526.4MB. Free memory was 239.0MB in the beginning and 233.7MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 58 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 59.6s, OverallIterations: 10, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 7.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2332 SdHoareTripleChecker+Valid, 3.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2304 mSDsluCounter, 3004 SdHoareTripleChecker+Invalid, 3.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2918 mSDsCounter, 1431 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4269 IncrementalHoareTripleChecker+Invalid, 5700 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1431 mSolverCounterUnsat, 725 mSDtfsCounter, 4269 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 967 GetRequests, 687 SyntacticMatches, 8 SemanticMatches, 272 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6551 ImplicationChecksByTransitivity, 21.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=324occurred in iteration=9, InterpolantAutomatonStates: 157, 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, 255 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 36 LocationsWithAnnotation, 1121 PreInvPairs, 1351 NumberOfFragments, 3245 HoareAnnotationTreeSize, 1121 FomulaSimplifications, 10131 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 36 FomulaSimplificationsInter, 25966 FormulaSimplificationTreeSizeReductionInter, 8.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 762 NumberOfCodeBlocks, 762 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 973 ConstructedInterpolants, 0 QuantifiedInterpolants, 3053 SizeOfPredicates, 26 NumberOfNonLiveVariables, 1943 ConjunctsInSsa, 60 ConjunctsInUnsatCore, 17 InterpolantComputations, 7 PerfectInterpolantSequences, 500/581 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: 114]: Loop Invariant Derived loop invariant: (((((!(waterLevel == 1) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(switchedOnBeforeTS == \old(pumpRunning))) || pumpRunning == 1) && ((((!(waterLevel <= 0) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(switchedOnBeforeTS == \old(pumpRunning))) || pumpRunning == 1)) && ((((!(\old(pumpRunning) == 0) || !(waterLevel <= 2)) || 0 == systemActive) || pumpRunning == switchedOnBeforeTS) || !(switchedOnBeforeTS == \old(pumpRunning))) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: ((((((((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((((2 <= waterLevel && waterLevel <= 2) && \old(waterLevel) == waterLevel) && !(0 == systemActive)) && pumpRunning == 1)) || !(2 <= \old(waterLevel))) && (((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || ((((2 <= waterLevel && waterLevel <= 2) && \old(waterLevel) == waterLevel) && !(0 == systemActive)) && pumpRunning == 1)) || !(1 <= \old(switchedOnBeforeTS))) || !(\old(waterLevel) < 3))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) || ((pumpRunning == 0 && waterLevel == 1) && pumpRunning == switchedOnBeforeTS))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || ((\old(waterLevel) == waterLevel && pumpRunning == switchedOnBeforeTS) && pumpRunning == 1)) || !(\old(pumpRunning) == 1)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 0))) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 0))) && (((((!(\old(pumpRunning) == 1) || ((waterLevel == 1 && pumpRunning == switchedOnBeforeTS) && pumpRunning == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 1)) || (((pumpRunning == 0 && waterLevel + 1 <= \old(waterLevel)) && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || \old(waterLevel) == waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || (((waterLevel <= 0 && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || \old(waterLevel) == waterLevel)) && pumpRunning == switchedOnBeforeTS) && pumpRunning == 1)) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) || !(\old(waterLevel) < 3)) && (((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || 0 == systemActive) || !(\old(waterLevel) < 3))) && (((!(\old(pumpRunning) == 1) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(\old(waterLevel) < 3))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && waterLevel < 3) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive)) && pumpRunning == 1) || (((pumpRunning == 0 && splverifierCounter == 0) && waterLevel == 1) && !(0 == systemActive))) || ((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) && pumpRunning == 1)) || ((((pumpRunning == 0 && waterLevel <= 1) && splverifierCounter == 0) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || ((((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive)) - InvariantResult [Line: 990]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && waterLevel < 3) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive)) && pumpRunning == 1) || ((((pumpRunning == 0 && splverifierCounter == 0) && waterLevel < 3) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive))) || (((pumpRunning == 0 && splverifierCounter == 0) && waterLevel == 1) && !(0 == systemActive))) || ((((2 <= waterLevel && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) && pumpRunning == 1)) || ((((pumpRunning == 0 && 2 <= waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive))) || ((((pumpRunning == 0 && splverifierCounter == 0) && 1 <= switchedOnBeforeTS) && waterLevel < 3) && !(0 == systemActive)) - InvariantResult [Line: 144]: Loop Invariant Derived loop invariant: ((((((((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) || !(\old(waterLevel) < 3)) && (((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || 0 == systemActive) || !(\old(waterLevel) < 3))) && ((((!(\old(pumpRunning) == 1) || ((waterLevel == 1 && pumpRunning == switchedOnBeforeTS) && pumpRunning == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || ((\old(waterLevel) == waterLevel + 1 && pumpRunning == switchedOnBeforeTS) && pumpRunning == 1))) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || ((\old(waterLevel) == waterLevel && pumpRunning == switchedOnBeforeTS) && pumpRunning == 1)) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 0))) && (((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) || ((pumpRunning == 0 && waterLevel == 1) && pumpRunning == switchedOnBeforeTS)) && ((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(\old(pumpRunning) == 1) || ((waterLevel == 1 && pumpRunning == switchedOnBeforeTS) && pumpRunning == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || 0 == systemActive) || !(\old(waterLevel) < 3)) || (((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive)))) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || (((waterLevel <= 0 && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || \old(waterLevel) == waterLevel)) && pumpRunning == switchedOnBeforeTS) && pumpRunning == 1))) && ((((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) || !(\old(waterLevel) < 3)) || (((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive))) - InvariantResult [Line: 89]: Loop Invariant Derived loop invariant: ((((((((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((((2 <= waterLevel && waterLevel <= 2) && \old(waterLevel) == waterLevel) && !(0 == systemActive)) && pumpRunning == 1)) || !(2 <= \old(waterLevel))) && (((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || ((((2 <= waterLevel && waterLevel <= 2) && \old(waterLevel) == waterLevel) && !(0 == systemActive)) && pumpRunning == 1)) || !(1 <= \old(switchedOnBeforeTS))) || !(\old(waterLevel) < 3))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) || ((pumpRunning == 0 && waterLevel == 1) && pumpRunning == switchedOnBeforeTS))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || ((\old(waterLevel) == waterLevel && pumpRunning == switchedOnBeforeTS) && pumpRunning == 1)) || !(\old(pumpRunning) == 1)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 0))) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 0))) && (((((!(\old(pumpRunning) == 1) || ((waterLevel == 1 && pumpRunning == switchedOnBeforeTS) && pumpRunning == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 1)) || (((pumpRunning == 0 && waterLevel + 1 <= \old(waterLevel)) && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || \old(waterLevel) == waterLevel)) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || (((waterLevel <= 0 && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || \old(waterLevel) == waterLevel)) && pumpRunning == switchedOnBeforeTS) && pumpRunning == 1)) - InvariantResult [Line: 834]: Loop Invariant Derived loop invariant: (((((((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || (\old(waterLevel) == waterLevel && (((((pumpRunning == 0 && pumpRunning == aux-isPumpRunning()-aux) && (\old(waterLevel) == waterLevel || waterLevel == 1)) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || ((((pumpRunning == 0 && pumpRunning == aux-isPumpRunning()-aux) && (\old(waterLevel) == waterLevel || waterLevel == 1)) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive))))) || 0 == systemActive) || !(\old(waterLevel) < 3)) && ((((((pumpRunning == aux-isPumpRunning()-aux && \old(waterLevel) == waterLevel) && pumpRunning == 1) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && pumpRunning == aux-isPumpRunning()-aux) && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || ((pumpRunning == 0 && pumpRunning == aux-isPumpRunning()-aux) && waterLevel == 1)) || 0 == systemActive)) && ((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || ((pumpRunning == aux-isPumpRunning()-aux && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(\old(waterLevel) < 3))) && (((((!(\old(pumpRunning) == 0) || ((((pumpRunning == 0 && pumpRunning == aux-isPumpRunning()-aux) && (\old(waterLevel) == waterLevel || waterLevel == 1)) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) || ((((pumpRunning == 0 && pumpRunning == aux-isPumpRunning()-aux) && (\old(waterLevel) == waterLevel || waterLevel == 1)) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive))) || !(\old(waterLevel) < 3))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (\old(waterLevel) == waterLevel && (((((pumpRunning == 0 && pumpRunning == aux-isPumpRunning()-aux) && (\old(waterLevel) == waterLevel || waterLevel == 1)) && 1 <= switchedOnBeforeTS) && !(0 == systemActive)) || ((((pumpRunning == 0 && pumpRunning == aux-isPumpRunning()-aux) && (\old(waterLevel) == waterLevel || waterLevel == 1)) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive))))) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: (((((!(waterLevel <= 0) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(switchedOnBeforeTS == \old(pumpRunning))) && (((!(waterLevel == 1) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(switchedOnBeforeTS == \old(pumpRunning)))) && ((((!(\old(pumpRunning) == 0) || !(waterLevel <= 2)) || 0 == systemActive) || pumpRunning == switchedOnBeforeTS) || !(switchedOnBeforeTS == \old(pumpRunning)))) && ((((!(\old(pumpRunning) == 0) || tmp == 0) || !(waterLevel <= 1)) || 0 == systemActive) || !(switchedOnBeforeTS == \old(pumpRunning))) - InvariantResult [Line: 990]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && waterLevel == 1) && pumpRunning == switchedOnBeforeTS) && !(0 == systemActive) - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: (((((((((!(\old(pumpRunning) == 1) || (((tmp == waterLevel && waterLevel == 1) && pumpRunning == switchedOnBeforeTS) && pumpRunning == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((pumpRunning == 0 && tmp == waterLevel) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(2 <= \old(waterLevel))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(waterLevel) <= 1)) || ((((pumpRunning == 0 && tmp == waterLevel) && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || \old(waterLevel) == waterLevel)) && (\old(waterLevel) <= 0 || waterLevel + 1 <= \old(waterLevel))) && 1 <= switchedOnBeforeTS)) || !(\old(pumpRunning) == 1)) || ((((waterLevel <= 0 && tmp == waterLevel) && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || \old(waterLevel) == waterLevel)) && pumpRunning == switchedOnBeforeTS) && pumpRunning == 1)) || 0 == systemActive)) && (((((!(\old(pumpRunning) == 0) || ((tmp == waterLevel && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || (((pumpRunning == 0 && tmp == waterLevel) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((!(\old(switchedOnBeforeTS) == \old(pumpRunning)) || !(\old(pumpRunning) == 0)) || (((pumpRunning == 0 && tmp == waterLevel) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || (((2 <= waterLevel && tmp == waterLevel) && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || 0 == systemActive) || !(\old(waterLevel) < 3))) && (((((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && tmp == waterLevel) && \old(waterLevel) == waterLevel) && pumpRunning == switchedOnBeforeTS)) || (((2 <= waterLevel && tmp == waterLevel) && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) || !(\old(waterLevel) < 3))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (((pumpRunning == 0 && tmp == waterLevel) && waterLevel == 1) && pumpRunning == switchedOnBeforeTS)) || 0 == systemActive) RESULT: Ultimate proved your program to be correct! [2022-11-03 01:50:16,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30b61bb0-a954-47b4-8bfd-4efc2b61a5d4/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE