./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dba846-b6b9-497b-8f12-4015af6755f8/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dba846-b6b9-497b-8f12-4015af6755f8/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_02dba846-b6b9-497b-8f12-4015af6755f8/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dba846-b6b9-497b-8f12-4015af6755f8/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dba846-b6b9-497b-8f12-4015af6755f8/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_02dba846-b6b9-497b-8f12-4015af6755f8/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 80b4c453e300455caffbcb636daccd3af095acb6ed433fb3111a61f5db77a0b9 --- 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 03:41:49,769 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:41:49,772 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:41:49,823 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:41:49,823 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:41:49,827 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:41:49,830 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:41:49,833 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:41:49,837 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:41:49,846 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:41:49,847 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:41:49,849 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:41:49,850 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:41:49,852 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:41:49,854 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:41:49,856 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:41:49,858 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:41:49,859 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:41:49,860 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:41:49,868 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:41:49,869 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:41:49,871 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:41:49,874 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:41:49,875 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:41:49,883 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:41:49,883 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:41:49,884 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:41:49,886 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:41:49,886 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:41:49,887 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:41:49,888 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:41:49,889 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:41:49,891 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:41:49,892 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:41:49,895 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:41:49,895 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:41:49,896 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:41:49,896 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:41:49,896 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:41:49,897 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:41:49,898 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:41:49,899 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dba846-b6b9-497b-8f12-4015af6755f8/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-03 03:41:49,943 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:41:49,944 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:41:49,944 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:41:49,944 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:41:49,945 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:41:49,946 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:41:49,946 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:41:49,946 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:41:49,946 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:41:49,946 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:41:49,947 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:41:49,948 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:41:49,948 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:41:49,948 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:41:49,948 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:41:49,949 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:41:49,949 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:41:49,949 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:41:49,950 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:41:49,950 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 03:41:49,950 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:41:49,950 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 03:41:49,950 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:41:49,951 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:41:49,951 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:41:49,951 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:41:49,951 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 03:41:49,951 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:41:49,952 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:41:49,952 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:41:49,952 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:41:49,953 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:41:49,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:41:49,953 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:41:49,953 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:41:49,953 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:41:49,954 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:41:49,954 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:41:49,954 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:41:49,954 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:41:49,954 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:41:49,955 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_02dba846-b6b9-497b-8f12-4015af6755f8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dba846-b6b9-497b-8f12-4015af6755f8/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80b4c453e300455caffbcb636daccd3af095acb6ed433fb3111a61f5db77a0b9 [2022-11-03 03:41:50,243 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:41:50,265 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:41:50,268 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:41:50,269 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:41:50,270 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:41:50,271 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dba846-b6b9-497b-8f12-4015af6755f8/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c [2022-11-03 03:41:50,351 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dba846-b6b9-497b-8f12-4015af6755f8/bin/utaipan-7li7fVZpFI/data/c600d08ff/530866c03a514c26a327831a970ad22e/FLAG65bf69cb3 [2022-11-03 03:41:50,964 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:41:50,965 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dba846-b6b9-497b-8f12-4015af6755f8/sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c [2022-11-03 03:41:50,977 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dba846-b6b9-497b-8f12-4015af6755f8/bin/utaipan-7li7fVZpFI/data/c600d08ff/530866c03a514c26a327831a970ad22e/FLAG65bf69cb3 [2022-11-03 03:41:51,272 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dba846-b6b9-497b-8f12-4015af6755f8/bin/utaipan-7li7fVZpFI/data/c600d08ff/530866c03a514c26a327831a970ad22e [2022-11-03 03:41:51,279 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:41:51,280 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:41:51,282 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:41:51,282 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:41:51,285 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:41:51,286 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:41:51" (1/1) ... [2022-11-03 03:41:51,287 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c02baa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:41:51, skipping insertion in model container [2022-11-03 03:41:51,288 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:41:51" (1/1) ... [2022-11-03 03:41:51,295 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:41:51,338 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:41:51,516 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_02dba846-b6b9-497b-8f12-4015af6755f8/sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c[1605,1618] [2022-11-03 03:41:51,641 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:41:51,658 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:41:51,683 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_02dba846-b6b9-497b-8f12-4015af6755f8/sv-benchmarks/c/product-lines/minepump_spec2_product59.cil.c[1605,1618] [2022-11-03 03:41:51,777 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:41:51,805 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:41:51,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:41:51 WrapperNode [2022-11-03 03:41:51,806 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:41:51,808 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:41:51,808 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:41:51,808 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:41:51,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:41:51" (1/1) ... [2022-11-03 03:41:51,842 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:41:51" (1/1) ... [2022-11-03 03:41:51,887 INFO L138 Inliner]: procedures = 58, calls = 159, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 279 [2022-11-03 03:41:51,889 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:41:51,890 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:41:51,890 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:41:51,891 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:41:51,901 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:41:51" (1/1) ... [2022-11-03 03:41:51,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:41:51" (1/1) ... [2022-11-03 03:41:51,916 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:41:51" (1/1) ... [2022-11-03 03:41:51,925 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:41:51" (1/1) ... [2022-11-03 03:41:51,929 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:41:51" (1/1) ... [2022-11-03 03:41:51,934 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:41:51" (1/1) ... [2022-11-03 03:41:51,950 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:41:51" (1/1) ... [2022-11-03 03:41:51,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:41:51" (1/1) ... [2022-11-03 03:41:51,954 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:41:51,955 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:41:51,955 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:41:51,955 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:41:51,956 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:41:51" (1/1) ... [2022-11-03 03:41:51,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:41:51,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dba846-b6b9-497b-8f12-4015af6755f8/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:41:51,997 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dba846-b6b9-497b-8f12-4015af6755f8/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:41:52,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dba846-b6b9-497b-8f12-4015af6755f8/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:41:52,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 03:41:52,037 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-03 03:41:52,037 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-03 03:41:52,038 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-03 03:41:52,038 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-03 03:41:52,038 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-03 03:41:52,038 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-03 03:41:52,038 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-03 03:41:52,038 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-03 03:41:52,038 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-11-03 03:41:52,038 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-11-03 03:41:52,039 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-03 03:41:52,039 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-03 03:41:52,039 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-03 03:41:52,039 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-03 03:41:52,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 03:41:52,039 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-03 03:41:52,039 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-03 03:41:52,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:41:52,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:41:52,115 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:41:52,117 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:41:52,595 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 03:41:52,720 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 03:41:52,720 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-03 03:41:52,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:41:52 BoogieIcfgContainer [2022-11-03 03:41:52,723 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 03:41:52,726 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 03:41:52,726 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 03:41:52,730 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 03:41:52,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:41:51" (1/3) ... [2022-11-03 03:41:52,732 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eb78518 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:41:52, skipping insertion in model container [2022-11-03 03:41:52,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:41:51" (2/3) ... [2022-11-03 03:41:52,732 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eb78518 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:41:52, skipping insertion in model container [2022-11-03 03:41:52,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:41:52" (3/3) ... [2022-11-03 03:41:52,734 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product59.cil.c [2022-11-03 03:41:52,754 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 03:41:52,755 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 03:41:52,807 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 03:41:52,814 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;@36f7a05c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 03:41:52,815 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 03:41:52,819 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 42 states have (on average 1.4523809523809523) internal successors, (61), 51 states have internal predecessors, (61), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-03 03:41:52,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-03 03:41:52,829 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:41:52,830 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:41:52,831 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:41:52,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:41:52,836 INFO L85 PathProgramCache]: Analyzing trace with hash -294393006, now seen corresponding path program 1 times [2022-11-03 03:41:52,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:41:52,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879584284] [2022-11-03 03:41:52,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:41:52,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:41:53,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:41:53,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:41:53,150 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:41:53,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879584284] [2022-11-03 03:41:53,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879584284] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:41:53,152 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:41:53,152 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 03:41:53,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515135504] [2022-11-03 03:41:53,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:41:53,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-03 03:41:53,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:41:53,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-03 03:41:53,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 03:41:53,197 INFO L87 Difference]: Start difference. First operand has 66 states, 42 states have (on average 1.4523809523809523) internal successors, (61), 51 states have internal predecessors, (61), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 03:41:53,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:41:53,323 INFO L93 Difference]: Finished difference Result 130 states and 179 transitions. [2022-11-03 03:41:53,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-03 03:41:53,326 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2022-11-03 03:41:53,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:41:53,338 INFO L225 Difference]: With dead ends: 130 [2022-11-03 03:41:53,338 INFO L226 Difference]: Without dead ends: 61 [2022-11-03 03:41:53,369 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 03:41:53,387 INFO L413 NwaCegarLoop]: 69 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, 69 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 03:41:53,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 03:41:53,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-11-03 03:41:53,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2022-11-03 03:41:53,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 39 states have (on average 1.358974358974359) internal successors, (53), 47 states have internal predecessors, (53), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-03 03:41:53,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 80 transitions. [2022-11-03 03:41:53,486 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 80 transitions. Word has length 17 [2022-11-03 03:41:53,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:41:53,487 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 80 transitions. [2022-11-03 03:41:53,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 03:41:53,488 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2022-11-03 03:41:53,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-03 03:41:53,494 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:41:53,494 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:41:53,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 03:41:53,495 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:41:53,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:41:53,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1476513627, now seen corresponding path program 1 times [2022-11-03 03:41:53,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:41:53,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684671238] [2022-11-03 03:41:53,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:41:53,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:41:53,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:41:53,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:41:53,668 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:41:53,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684671238] [2022-11-03 03:41:53,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684671238] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:41:53,669 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:41:53,669 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:41:53,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101494697] [2022-11-03 03:41:53,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:41:53,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:41:53,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:41:53,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:41:53,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:41:53,679 INFO L87 Difference]: Start difference. First operand 61 states and 80 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 03:41:53,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:41:53,751 INFO L93 Difference]: Finished difference Result 94 states and 122 transitions. [2022-11-03 03:41:53,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:41:53,753 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2022-11-03 03:41:53,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:41:53,758 INFO L225 Difference]: With dead ends: 94 [2022-11-03 03:41:53,758 INFO L226 Difference]: Without dead ends: 53 [2022-11-03 03:41:53,763 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 03:41:53,765 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 14 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 03:41:53,767 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 93 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 03:41:53,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-11-03 03:41:53,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2022-11-03 03:41:53,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 34 states have (on average 1.3823529411764706) internal successors, (47), 42 states have internal predecessors, (47), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-03 03:41:53,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 69 transitions. [2022-11-03 03:41:53,783 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 69 transitions. Word has length 18 [2022-11-03 03:41:53,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:41:53,784 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 69 transitions. [2022-11-03 03:41:53,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 03:41:53,786 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 69 transitions. [2022-11-03 03:41:53,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-03 03:41:53,788 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:41:53,789 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:41:53,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 03:41:53,789 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:41:53,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:41:53,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1682934920, now seen corresponding path program 1 times [2022-11-03 03:41:53,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:41:53,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220880217] [2022-11-03 03:41:53,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:41:53,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:41:53,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:41:53,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:41:53,889 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:41:53,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220880217] [2022-11-03 03:41:53,890 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220880217] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:41:53,890 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:41:53,890 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:41:53,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716403773] [2022-11-03 03:41:53,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:41:53,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:41:53,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:41:53,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:41:53,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:41:53,892 INFO L87 Difference]: Start difference. First operand 53 states and 69 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 03:41:53,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:41:53,960 INFO L93 Difference]: Finished difference Result 155 states and 204 transitions. [2022-11-03 03:41:53,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:41:53,961 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2022-11-03 03:41:53,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:41:53,962 INFO L225 Difference]: With dead ends: 155 [2022-11-03 03:41:53,963 INFO L226 Difference]: Without dead ends: 104 [2022-11-03 03:41:53,963 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 03:41:53,964 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 56 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 03:41:53,965 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 128 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 03:41:53,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2022-11-03 03:41:53,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 101. [2022-11-03 03:41:53,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 64 states have (on average 1.390625) internal successors, (89), 79 states have internal predecessors, (89), 22 states have call successors, (22), 14 states have call predecessors, (22), 14 states have return successors, (22), 15 states have call predecessors, (22), 22 states have call successors, (22) [2022-11-03 03:41:53,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 133 transitions. [2022-11-03 03:41:53,990 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 133 transitions. Word has length 21 [2022-11-03 03:41:53,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:41:53,991 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 133 transitions. [2022-11-03 03:41:53,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 03:41:53,991 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 133 transitions. [2022-11-03 03:41:53,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 03:41:53,992 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:41:53,993 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:41:53,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 03:41:53,993 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:41:53,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:41:53,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1949785870, now seen corresponding path program 1 times [2022-11-03 03:41:53,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:41:53,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588280535] [2022-11-03 03:41:53,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:41:53,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:41:54,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:41:54,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:41:54,111 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:41:54,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588280535] [2022-11-03 03:41:54,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588280535] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:41:54,112 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:41:54,112 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:41:54,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746074714] [2022-11-03 03:41:54,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:41:54,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:41:54,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:41:54,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:41:54,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:41:54,114 INFO L87 Difference]: Start difference. First operand 101 states and 133 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 03:41:54,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:41:54,203 INFO L93 Difference]: Finished difference Result 278 states and 375 transitions. [2022-11-03 03:41:54,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 03:41:54,203 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2022-11-03 03:41:54,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:41:54,206 INFO L225 Difference]: With dead ends: 278 [2022-11-03 03:41:54,206 INFO L226 Difference]: Without dead ends: 179 [2022-11-03 03:41:54,207 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:41:54,208 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 39 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:41:54,209 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 165 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 03:41:54,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2022-11-03 03:41:54,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 170. [2022-11-03 03:41:54,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 113 states have (on average 1.3185840707964602) internal successors, (149), 128 states have internal predecessors, (149), 30 states have call successors, (30), 26 states have call predecessors, (30), 26 states have return successors, (38), 27 states have call predecessors, (38), 30 states have call successors, (38) [2022-11-03 03:41:54,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 217 transitions. [2022-11-03 03:41:54,230 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 217 transitions. Word has length 24 [2022-11-03 03:41:54,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:41:54,231 INFO L495 AbstractCegarLoop]: Abstraction has 170 states and 217 transitions. [2022-11-03 03:41:54,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 03:41:54,232 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 217 transitions. [2022-11-03 03:41:54,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-03 03:41:54,233 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:41:54,233 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] [2022-11-03 03:41:54,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 03:41:54,234 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:41:54,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:41:54,234 INFO L85 PathProgramCache]: Analyzing trace with hash 906199045, now seen corresponding path program 1 times [2022-11-03 03:41:54,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:41:54,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865098429] [2022-11-03 03:41:54,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:41:54,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:41:54,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:41:54,338 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 03:41:54,338 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:41:54,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865098429] [2022-11-03 03:41:54,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865098429] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:41:54,339 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:41:54,339 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:41:54,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359119289] [2022-11-03 03:41:54,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:41:54,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:41:54,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:41:54,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:41:54,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:41:54,341 INFO L87 Difference]: Start difference. First operand 170 states and 217 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-03 03:41:54,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:41:54,412 INFO L93 Difference]: Finished difference Result 301 states and 394 transitions. [2022-11-03 03:41:54,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:41:54,412 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 33 [2022-11-03 03:41:54,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:41:54,415 INFO L225 Difference]: With dead ends: 301 [2022-11-03 03:41:54,416 INFO L226 Difference]: Without dead ends: 299 [2022-11-03 03:41:54,416 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 03:41:54,417 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 45 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 03:41:54,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 117 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 03:41:54,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2022-11-03 03:41:54,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 293. [2022-11-03 03:41:54,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 191 states have (on average 1.3141361256544504) internal successors, (251), 218 states have internal predecessors, (251), 55 states have call successors, (55), 47 states have call predecessors, (55), 46 states have return successors, (77), 46 states have call predecessors, (77), 55 states have call successors, (77) [2022-11-03 03:41:54,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 383 transitions. [2022-11-03 03:41:54,455 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 383 transitions. Word has length 33 [2022-11-03 03:41:54,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:41:54,456 INFO L495 AbstractCegarLoop]: Abstraction has 293 states and 383 transitions. [2022-11-03 03:41:54,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-03 03:41:54,456 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 383 transitions. [2022-11-03 03:41:54,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-03 03:41:54,459 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:41:54,460 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:41:54,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 03:41:54,460 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:41:54,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:41:54,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1137865473, now seen corresponding path program 1 times [2022-11-03 03:41:54,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:41:54,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845865747] [2022-11-03 03:41:54,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:41:54,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:41:54,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:41:54,537 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-03 03:41:54,537 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:41:54,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845865747] [2022-11-03 03:41:54,537 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845865747] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:41:54,538 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:41:54,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:41:54,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805064687] [2022-11-03 03:41:54,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:41:54,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:41:54,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:41:54,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:41:54,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:41:54,540 INFO L87 Difference]: Start difference. First operand 293 states and 383 transitions. Second operand has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2022-11-03 03:41:54,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:41:54,679 INFO L93 Difference]: Finished difference Result 333 states and 436 transitions. [2022-11-03 03:41:54,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 03:41:54,680 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 56 [2022-11-03 03:41:54,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:41:54,683 INFO L225 Difference]: With dead ends: 333 [2022-11-03 03:41:54,684 INFO L226 Difference]: Without dead ends: 141 [2022-11-03 03:41:54,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:41:54,693 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 87 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:41:54,698 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 124 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 03:41:54,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2022-11-03 03:41:54,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2022-11-03 03:41:54,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 92 states have (on average 1.25) internal successors, (115), 104 states have internal predecessors, (115), 25 states have call successors, (25), 23 states have call predecessors, (25), 23 states have return successors, (35), 22 states have call predecessors, (35), 25 states have call successors, (35) [2022-11-03 03:41:54,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 175 transitions. [2022-11-03 03:41:54,733 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 175 transitions. Word has length 56 [2022-11-03 03:41:54,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:41:54,735 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 175 transitions. [2022-11-03 03:41:54,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2022-11-03 03:41:54,736 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 175 transitions. [2022-11-03 03:41:54,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-03 03:41:54,740 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:41:54,741 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, 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 03:41:54,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 03:41:54,743 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:41:54,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:41:54,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1543761492, now seen corresponding path program 1 times [2022-11-03 03:41:54,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:41:54,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378405744] [2022-11-03 03:41:54,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:41:54,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:41:54,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:41:55,432 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-03 03:41:55,433 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:41:55,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378405744] [2022-11-03 03:41:55,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378405744] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:41:55,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [321216343] [2022-11-03 03:41:55,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:41:55,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:41:55,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dba846-b6b9-497b-8f12-4015af6755f8/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:41:55,436 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dba846-b6b9-497b-8f12-4015af6755f8/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:41:55,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dba846-b6b9-497b-8f12-4015af6755f8/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 03:41:55,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:41:55,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-03 03:41:55,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:41:55,967 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 03:41:55,967 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:41:55,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [321216343] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:41:55,968 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 03:41:55,968 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 13 [2022-11-03 03:41:55,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666076548] [2022-11-03 03:41:55,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:41:55,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-03 03:41:55,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:41:55,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-03 03:41:55,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-11-03 03:41:55,970 INFO L87 Difference]: Start difference. First operand 141 states and 175 transitions. Second operand has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 5 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 5 states have call successors, (7) [2022-11-03 03:41:56,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:41:56,589 INFO L93 Difference]: Finished difference Result 380 states and 482 transitions. [2022-11-03 03:41:56,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-03 03:41:56,590 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 5 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 5 states have call successors, (7) Word has length 64 [2022-11-03 03:41:56,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:41:56,592 INFO L225 Difference]: With dead ends: 380 [2022-11-03 03:41:56,592 INFO L226 Difference]: Without dead ends: 241 [2022-11-03 03:41:56,595 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2022-11-03 03:41:56,597 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 138 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:41:56,597 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 213 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-03 03:41:56,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2022-11-03 03:41:56,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 192. [2022-11-03 03:41:56,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 130 states have (on average 1.2461538461538462) internal successors, (162), 141 states have internal predecessors, (162), 29 states have call successors, (29), 29 states have call predecessors, (29), 32 states have return successors, (47), 29 states have call predecessors, (47), 29 states have call successors, (47) [2022-11-03 03:41:56,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 238 transitions. [2022-11-03 03:41:56,643 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 238 transitions. Word has length 64 [2022-11-03 03:41:56,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:41:56,643 INFO L495 AbstractCegarLoop]: Abstraction has 192 states and 238 transitions. [2022-11-03 03:41:56,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 5 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 5 states have call successors, (7) [2022-11-03 03:41:56,644 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 238 transitions. [2022-11-03 03:41:56,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-03 03:41:56,649 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:41:56,653 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:41:56,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dba846-b6b9-497b-8f12-4015af6755f8/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 03:41:56,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dba846-b6b9-497b-8f12-4015af6755f8/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:41:56,878 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:41:56,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:41:56,879 INFO L85 PathProgramCache]: Analyzing trace with hash 609721716, now seen corresponding path program 1 times [2022-11-03 03:41:56,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:41:56,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490642474] [2022-11-03 03:41:56,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:41:56,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:41:56,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:41:57,557 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 7 proven. 11 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-03 03:41:57,557 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:41:57,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490642474] [2022-11-03 03:41:57,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490642474] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:41:57,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1876624602] [2022-11-03 03:41:57,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:41:57,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:41:57,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dba846-b6b9-497b-8f12-4015af6755f8/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:41:57,563 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dba846-b6b9-497b-8f12-4015af6755f8/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:41:57,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dba846-b6b9-497b-8f12-4015af6755f8/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 03:41:57,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:41:57,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 34 conjunts are in the unsatisfiable core [2022-11-03 03:41:57,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:41:58,214 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 15 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 03:41:58,214 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:41:58,896 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-03 03:41:58,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1876624602] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:41:58,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [557244105] [2022-11-03 03:41:58,922 INFO L159 IcfgInterpreter]: Started Sifa with 42 locations of interest [2022-11-03 03:41:58,923 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 03:41:58,926 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 03:41:58,931 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 03:41:58,932 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 03:42:06,776 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 296 for LOIs [2022-11-03 03:42:06,825 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 303 for LOIs [2022-11-03 03:42:11,562 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 301 for LOIs [2022-11-03 03:42:13,396 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 22 for LOIs [2022-11-03 03:42:13,398 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 03:43:00,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [557244105] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:43:00,645 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-03 03:43:00,645 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [11, 11, 14] total 53 [2022-11-03 03:43:00,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858507371] [2022-11-03 03:43:00,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:43:00,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-03 03:43:00,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:43:00,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-03 03:43:00,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=451, Invalid=2305, Unknown=0, NotChecked=0, Total=2756 [2022-11-03 03:43:00,648 INFO L87 Difference]: Start difference. First operand 192 states and 238 transitions. Second operand has 24 states, 19 states have (on average 1.736842105263158) internal successors, (33), 19 states have internal predecessors, (33), 6 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2022-11-03 03:43:40,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:43:40,829 INFO L93 Difference]: Finished difference Result 598 states and 748 transitions. [2022-11-03 03:43:40,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-11-03 03:43:40,829 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 19 states have (on average 1.736842105263158) internal successors, (33), 19 states have internal predecessors, (33), 6 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 67 [2022-11-03 03:43:40,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:43:40,832 INFO L225 Difference]: With dead ends: 598 [2022-11-03 03:43:40,832 INFO L226 Difference]: Without dead ends: 408 [2022-11-03 03:43:40,835 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 154 SyntacticMatches, 6 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2096 ImplicationChecksByTransitivity, 83.6s TimeCoverageRelationStatistics Valid=908, Invalid=4204, Unknown=0, NotChecked=0, Total=5112 [2022-11-03 03:43:40,836 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 169 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 1163 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 1242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 1163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:43:40,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 405 Invalid, 1242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 1163 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-11-03 03:43:40,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2022-11-03 03:43:40,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 378. [2022-11-03 03:43:40,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 260 states have (on average 1.2192307692307693) internal successors, (317), 276 states have internal predecessors, (317), 56 states have call successors, (56), 55 states have call predecessors, (56), 61 states have return successors, (86), 56 states have call predecessors, (86), 56 states have call successors, (86) [2022-11-03 03:43:40,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 459 transitions. [2022-11-03 03:43:40,918 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 459 transitions. Word has length 67 [2022-11-03 03:43:40,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:43:40,919 INFO L495 AbstractCegarLoop]: Abstraction has 378 states and 459 transitions. [2022-11-03 03:43:40,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 19 states have (on average 1.736842105263158) internal successors, (33), 19 states have internal predecessors, (33), 6 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2022-11-03 03:43:40,919 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 459 transitions. [2022-11-03 03:43:40,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-03 03:43:40,921 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:43:40,921 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:43:40,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dba846-b6b9-497b-8f12-4015af6755f8/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-03 03:43:41,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dba846-b6b9-497b-8f12-4015af6755f8/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:43:41,135 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:43:41,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:43:41,135 INFO L85 PathProgramCache]: Analyzing trace with hash 375713732, now seen corresponding path program 1 times [2022-11-03 03:43:41,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:43:41,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127604946] [2022-11-03 03:43:41,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:43:41,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:43:41,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:43:41,699 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 7 proven. 12 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-03 03:43:41,699 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:43:41,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127604946] [2022-11-03 03:43:41,699 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127604946] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:43:41,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [363349503] [2022-11-03 03:43:41,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:43:41,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:43:41,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dba846-b6b9-497b-8f12-4015af6755f8/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:43:41,701 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dba846-b6b9-497b-8f12-4015af6755f8/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:43:41,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dba846-b6b9-497b-8f12-4015af6755f8/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-03 03:43:41,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:43:41,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 29 conjunts are in the unsatisfiable core [2022-11-03 03:43:41,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:43:42,045 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:43:42,046 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:43:42,508 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 18 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-03 03:43:42,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [363349503] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:43:42,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [281376782] [2022-11-03 03:43:42,515 INFO L159 IcfgInterpreter]: Started Sifa with 45 locations of interest [2022-11-03 03:43:42,516 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 03:43:42,516 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 03:43:42,516 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 03:43:42,517 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 03:43:49,609 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 310 for LOIs [2022-11-03 03:43:49,707 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 30 for LOIs [2022-11-03 03:43:49,852 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 59 for LOIs [2022-11-03 03:43:50,210 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 49 for LOIs [2022-11-03 03:43:50,221 INFO L197 IcfgInterpreter]: Interpreting procedure changeMethaneLevel with input of size 43 for LOIs [2022-11-03 03:43:50,228 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 35 for LOIs [2022-11-03 03:43:50,230 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 03:44:03,492 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '6757#(and (not (= |timeShift___utac_acc__Specification2_spec__2_~tmp~6#1| 0)) (= |timeShift_isPumpRunning_#res#1| |timeShift___utac_acc__Specification2_spec__2_~tmp___0~3#1|) (= ~head~0.offset 0) (= ~pumpRunning~0 |timeShift_isPumpRunning_~retValue_acc~1#1|) (= 1 ~systemActive~0) (= |timeShift_isPumpRunning_#res#1| |timeShift_isPumpRunning_~retValue_acc~1#1|) (<= 0 ~methAndRunningLastTime~0) (not (= |timeShift___utac_acc__Specification2_spec__2_~tmp___0~3#1| 0)) (<= 0 |old(~methAndRunningLastTime~0)|) (<= |timeShift___utac_acc__Specification2_spec__2_~tmp~6#1| 2147483647) (<= 0 ~methaneLevelCritical~0) (<= |timeShift___utac_acc__Specification2_spec__2_~tmp___0~3#1| 2147483647) (= ~head~0.base 0) (= |#NULL.offset| 0) (not (= ~methAndRunningLastTime~0 0)) (<= 0 (+ |timeShift___utac_acc__Specification2_spec__2_~tmp___0~3#1| 2147483648)) (<= 0 |#StackHeapBarrier|) (= |timeShift___utac_acc__Specification2_spec__2_~tmp~6#1| ~methaneLevelCritical~0) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2022-11-03 03:44:03,492 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 03:44:03,492 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 03:44:03,493 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 9] total 25 [2022-11-03 03:44:03,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112020452] [2022-11-03 03:44:03,493 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 03:44:03,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-11-03 03:44:03,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:44:03,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-11-03 03:44:03,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=356, Invalid=3066, Unknown=0, NotChecked=0, Total=3422 [2022-11-03 03:44:03,497 INFO L87 Difference]: Start difference. First operand 378 states and 459 transitions. Second operand has 25 states, 19 states have (on average 4.684210526315789) internal successors, (89), 19 states have internal predecessors, (89), 8 states have call successors, (21), 5 states have call predecessors, (21), 14 states have return successors, (22), 13 states have call predecessors, (22), 8 states have call successors, (22) [2022-11-03 03:44:07,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:44:07,224 INFO L93 Difference]: Finished difference Result 1318 states and 1951 transitions. [2022-11-03 03:44:07,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-11-03 03:44:07,225 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 19 states have (on average 4.684210526315789) internal successors, (89), 19 states have internal predecessors, (89), 8 states have call successors, (21), 5 states have call predecessors, (21), 14 states have return successors, (22), 13 states have call predecessors, (22), 8 states have call successors, (22) Word has length 70 [2022-11-03 03:44:07,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:44:07,231 INFO L225 Difference]: With dead ends: 1318 [2022-11-03 03:44:07,231 INFO L226 Difference]: Without dead ends: 1015 [2022-11-03 03:44:07,236 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 184 SyntacticMatches, 2 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3559 ImplicationChecksByTransitivity, 15.2s TimeCoverageRelationStatistics Valid=1118, Invalid=8782, Unknown=0, NotChecked=0, Total=9900 [2022-11-03 03:44:07,237 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 741 mSDsluCounter, 1249 mSDsCounter, 0 mSdLazyCounter, 2205 mSolverCounterSat, 680 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 749 SdHoareTripleChecker+Valid, 1212 SdHoareTripleChecker+Invalid, 2885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 680 IncrementalHoareTripleChecker+Valid, 2205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-03 03:44:07,237 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [749 Valid, 1212 Invalid, 2885 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [680 Valid, 2205 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-03 03:44:07,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1015 states. [2022-11-03 03:44:07,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1015 to 633. [2022-11-03 03:44:07,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 633 states, 441 states have (on average 1.1927437641723355) internal successors, (526), 463 states have internal predecessors, (526), 93 states have call successors, (93), 87 states have call predecessors, (93), 98 states have return successors, (150), 96 states have call predecessors, (150), 93 states have call successors, (150) [2022-11-03 03:44:07,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 633 states and 769 transitions. [2022-11-03 03:44:07,390 INFO L78 Accepts]: Start accepts. Automaton has 633 states and 769 transitions. Word has length 70 [2022-11-03 03:44:07,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:44:07,394 INFO L495 AbstractCegarLoop]: Abstraction has 633 states and 769 transitions. [2022-11-03 03:44:07,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 19 states have (on average 4.684210526315789) internal successors, (89), 19 states have internal predecessors, (89), 8 states have call successors, (21), 5 states have call predecessors, (21), 14 states have return successors, (22), 13 states have call predecessors, (22), 8 states have call successors, (22) [2022-11-03 03:44:07,394 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 769 transitions. [2022-11-03 03:44:07,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-03 03:44:07,404 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:44:07,404 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:44:07,432 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dba846-b6b9-497b-8f12-4015af6755f8/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-03 03:44:07,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dba846-b6b9-497b-8f12-4015af6755f8/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:44:07,618 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:44:07,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:44:07,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1340324960, now seen corresponding path program 1 times [2022-11-03 03:44:07,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:44:07,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942419222] [2022-11-03 03:44:07,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:44:07,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:44:07,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:44:07,757 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-03 03:44:07,757 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:44:07,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942419222] [2022-11-03 03:44:07,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942419222] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:44:07,757 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:44:07,758 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:44:07,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791911913] [2022-11-03 03:44:07,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:44:07,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:44:07,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:44:07,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:44:07,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:44:07,759 INFO L87 Difference]: Start difference. First operand 633 states and 769 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-03 03:44:07,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:44:07,992 INFO L93 Difference]: Finished difference Result 1100 states and 1400 transitions. [2022-11-03 03:44:07,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 03:44:07,992 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) Word has length 71 [2022-11-03 03:44:07,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:44:07,996 INFO L225 Difference]: With dead ends: 1100 [2022-11-03 03:44:07,996 INFO L226 Difference]: Without dead ends: 576 [2022-11-03 03:44:07,998 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:44:07,999 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 38 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:44:07,999 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 164 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 03:44:08,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2022-11-03 03:44:08,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 568. [2022-11-03 03:44:08,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 568 states, 399 states have (on average 1.1804511278195489) internal successors, (471), 419 states have internal predecessors, (471), 83 states have call successors, (83), 81 states have call predecessors, (83), 85 states have return successors, (116), 82 states have call predecessors, (116), 83 states have call successors, (116) [2022-11-03 03:44:08,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 670 transitions. [2022-11-03 03:44:08,156 INFO L78 Accepts]: Start accepts. Automaton has 568 states and 670 transitions. Word has length 71 [2022-11-03 03:44:08,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:44:08,157 INFO L495 AbstractCegarLoop]: Abstraction has 568 states and 670 transitions. [2022-11-03 03:44:08,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-03 03:44:08,157 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 670 transitions. [2022-11-03 03:44:08,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-03 03:44:08,161 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:44:08,161 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 03:44:08,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-03 03:44:08,162 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:44:08,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:44:08,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1072544835, now seen corresponding path program 1 times [2022-11-03 03:44:08,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:44:08,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554962602] [2022-11-03 03:44:08,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:44:08,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:44:08,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:44:08,937 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 36 proven. 18 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-03 03:44:08,938 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:44:08,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554962602] [2022-11-03 03:44:08,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554962602] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:44:08,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [994620053] [2022-11-03 03:44:08,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:44:08,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:44:08,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dba846-b6b9-497b-8f12-4015af6755f8/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:44:08,943 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dba846-b6b9-497b-8f12-4015af6755f8/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:44:08,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dba846-b6b9-497b-8f12-4015af6755f8/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-03 03:44:09,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:44:09,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 34 conjunts are in the unsatisfiable core [2022-11-03 03:44:09,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:44:09,733 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 53 proven. 26 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 03:44:09,733 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:44:10,598 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 44 proven. 10 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-03 03:44:10,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [994620053] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:44:10,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [463991436] [2022-11-03 03:44:10,605 INFO L159 IcfgInterpreter]: Started Sifa with 45 locations of interest [2022-11-03 03:44:10,606 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 03:44:10,607 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 03:44:10,608 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 03:44:10,608 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 03:44:16,081 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 48 for LOIs [2022-11-03 03:44:16,091 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 30 for LOIs [2022-11-03 03:44:16,306 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 59 for LOIs [2022-11-03 03:44:16,748 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 49 for LOIs [2022-11-03 03:44:16,755 INFO L197 IcfgInterpreter]: Interpreting procedure changeMethaneLevel with input of size 43 for LOIs [2022-11-03 03:44:16,759 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 35 for LOIs [2022-11-03 03:44:16,761 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 03:44:23,113 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '12842#(and (not (= |timeShift___utac_acc__Specification2_spec__2_~tmp~6#1| 0)) (= |timeShift_isPumpRunning_#res#1| |timeShift___utac_acc__Specification2_spec__2_~tmp___0~3#1|) (= ~head~0.offset 0) (= ~pumpRunning~0 |timeShift_isPumpRunning_~retValue_acc~1#1|) (= 1 ~systemActive~0) (= |timeShift_isPumpRunning_#res#1| |timeShift_isPumpRunning_~retValue_acc~1#1|) (<= 0 ~methAndRunningLastTime~0) (not (= |timeShift___utac_acc__Specification2_spec__2_~tmp___0~3#1| 0)) (<= 0 |old(~methAndRunningLastTime~0)|) (<= |timeShift___utac_acc__Specification2_spec__2_~tmp~6#1| 2147483647) (<= 0 ~methaneLevelCritical~0) (<= |timeShift___utac_acc__Specification2_spec__2_~tmp___0~3#1| 2147483647) (= ~head~0.base 0) (= |#NULL.offset| 0) (not (= ~methAndRunningLastTime~0 0)) (<= 0 (+ |timeShift___utac_acc__Specification2_spec__2_~tmp___0~3#1| 2147483648)) (<= 0 |#StackHeapBarrier|) (= |timeShift___utac_acc__Specification2_spec__2_~tmp~6#1| ~methaneLevelCritical~0) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2022-11-03 03:44:23,113 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 03:44:23,113 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 03:44:23,113 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14, 15] total 36 [2022-11-03 03:44:23,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718807569] [2022-11-03 03:44:23,114 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 03:44:23,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2022-11-03 03:44:23,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:44:23,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2022-11-03 03:44:23,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=555, Invalid=4001, Unknown=0, NotChecked=0, Total=4556 [2022-11-03 03:44:23,117 INFO L87 Difference]: Start difference. First operand 568 states and 670 transitions. Second operand has 36 states, 33 states have (on average 3.9696969696969697) internal successors, (131), 28 states have internal predecessors, (131), 16 states have call successors, (31), 14 states have call predecessors, (31), 13 states have return successors, (29), 13 states have call predecessors, (29), 16 states have call successors, (29) [2022-11-03 03:44:26,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:44:26,400 INFO L93 Difference]: Finished difference Result 1909 states and 2308 transitions. [2022-11-03 03:44:26,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-11-03 03:44:26,401 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 33 states have (on average 3.9696969696969697) internal successors, (131), 28 states have internal predecessors, (131), 16 states have call successors, (31), 14 states have call predecessors, (31), 13 states have return successors, (29), 13 states have call predecessors, (29), 16 states have call successors, (29) Word has length 99 [2022-11-03 03:44:26,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:44:26,416 INFO L225 Difference]: With dead ends: 1909 [2022-11-03 03:44:26,416 INFO L226 Difference]: Without dead ends: 1416 [2022-11-03 03:44:26,421 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 354 GetRequests, 241 SyntacticMatches, 11 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4625 ImplicationChecksByTransitivity, 8.7s TimeCoverageRelationStatistics Valid=1406, Invalid=9306, Unknown=0, NotChecked=0, Total=10712 [2022-11-03 03:44:26,422 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 1013 mSDsluCounter, 952 mSDsCounter, 0 mSdLazyCounter, 1370 mSolverCounterSat, 596 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1014 SdHoareTripleChecker+Valid, 925 SdHoareTripleChecker+Invalid, 1966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 596 IncrementalHoareTripleChecker+Valid, 1370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:44:26,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1014 Valid, 925 Invalid, 1966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [596 Valid, 1370 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-03 03:44:26,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1416 states. [2022-11-03 03:44:26,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1416 to 1254. [2022-11-03 03:44:26,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1254 states, 896 states have (on average 1.1841517857142858) internal successors, (1061), 938 states have internal predecessors, (1061), 183 states have call successors, (183), 160 states have call predecessors, (183), 174 states have return successors, (248), 173 states have call predecessors, (248), 183 states have call successors, (248) [2022-11-03 03:44:26,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1254 states to 1254 states and 1492 transitions. [2022-11-03 03:44:26,732 INFO L78 Accepts]: Start accepts. Automaton has 1254 states and 1492 transitions. Word has length 99 [2022-11-03 03:44:26,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:44:26,733 INFO L495 AbstractCegarLoop]: Abstraction has 1254 states and 1492 transitions. [2022-11-03 03:44:26,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 33 states have (on average 3.9696969696969697) internal successors, (131), 28 states have internal predecessors, (131), 16 states have call successors, (31), 14 states have call predecessors, (31), 13 states have return successors, (29), 13 states have call predecessors, (29), 16 states have call successors, (29) [2022-11-03 03:44:26,734 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 1492 transitions. [2022-11-03 03:44:26,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-11-03 03:44:26,739 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:44:26,740 INFO L195 NwaCegarLoop]: trace histogram [7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 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 03:44:26,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dba846-b6b9-497b-8f12-4015af6755f8/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-03 03:44:26,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dba846-b6b9-497b-8f12-4015af6755f8/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-03 03:44:26,957 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:44:26,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:44:26,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1708342977, now seen corresponding path program 1 times [2022-11-03 03:44:26,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:44:26,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753971883] [2022-11-03 03:44:26,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:44:26,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:44:26,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:44:28,131 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 91 proven. 88 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-11-03 03:44:28,131 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:44:28,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753971883] [2022-11-03 03:44:28,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753971883] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:44:28,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [580005673] [2022-11-03 03:44:28,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:44:28,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:44:28,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dba846-b6b9-497b-8f12-4015af6755f8/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:44:28,133 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dba846-b6b9-497b-8f12-4015af6755f8/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:44:28,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dba846-b6b9-497b-8f12-4015af6755f8/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-03 03:44:28,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:44:28,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 732 conjuncts, 36 conjunts are in the unsatisfiable core [2022-11-03 03:44:28,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:44:28,979 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 157 proven. 44 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-11-03 03:44:28,980 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:44:29,927 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 113 proven. 58 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-11-03 03:44:29,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [580005673] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:44:29,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [423144867] [2022-11-03 03:44:29,931 INFO L159 IcfgInterpreter]: Started Sifa with 48 locations of interest [2022-11-03 03:44:29,931 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 03:44:29,932 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 03:44:29,932 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 03:44:29,932 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 03:44:37,981 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 305 for LOIs [2022-11-03 03:44:38,085 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 30 for LOIs [2022-11-03 03:44:38,360 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 59 for LOIs [2022-11-03 03:44:38,751 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 49 for LOIs [2022-11-03 03:44:38,766 INFO L197 IcfgInterpreter]: Interpreting procedure changeMethaneLevel with input of size 45 for LOIs [2022-11-03 03:44:38,775 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 35 for LOIs [2022-11-03 03:44:38,778 INFO L197 IcfgInterpreter]: Interpreting procedure deactivatePump with input of size 31 for LOIs [2022-11-03 03:44:38,782 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 03:44:52,813 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '18571#(and (not (= |timeShift___utac_acc__Specification2_spec__2_~tmp~6#1| 0)) (= |timeShift_isPumpRunning_#res#1| |timeShift___utac_acc__Specification2_spec__2_~tmp___0~3#1|) (= ~head~0.offset 0) (= ~pumpRunning~0 |timeShift_isPumpRunning_~retValue_acc~1#1|) (= 1 ~systemActive~0) (= |timeShift_isPumpRunning_#res#1| |timeShift_isPumpRunning_~retValue_acc~1#1|) (<= 0 ~methAndRunningLastTime~0) (not (= |timeShift___utac_acc__Specification2_spec__2_~tmp___0~3#1| 0)) (<= 0 |old(~methAndRunningLastTime~0)|) (<= 0 ~methaneLevelCritical~0) (<= |timeShift___utac_acc__Specification2_spec__2_~tmp___0~3#1| 2147483647) (= ~head~0.base 0) (= |#NULL.offset| 0) (<= ~methaneLevelCritical~0 2147483647) (not (= ~methAndRunningLastTime~0 0)) (<= 0 (+ |timeShift___utac_acc__Specification2_spec__2_~tmp___0~3#1| 2147483648)) (<= 0 |#StackHeapBarrier|) (= |timeShift___utac_acc__Specification2_spec__2_~tmp~6#1| ~methaneLevelCritical~0) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2022-11-03 03:44:52,813 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 03:44:52,814 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 03:44:52,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 13, 13] total 36 [2022-11-03 03:44:52,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73386041] [2022-11-03 03:44:52,814 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 03:44:52,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2022-11-03 03:44:52,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:44:52,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2022-11-03 03:44:52,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=543, Invalid=4713, Unknown=0, NotChecked=0, Total=5256 [2022-11-03 03:44:52,818 INFO L87 Difference]: Start difference. First operand 1254 states and 1492 transitions. Second operand has 36 states, 33 states have (on average 5.515151515151516) internal successors, (182), 34 states have internal predecessors, (182), 23 states have call successors, (42), 9 states have call predecessors, (42), 15 states have return successors, (45), 18 states have call predecessors, (45), 23 states have call successors, (45) [2022-11-03 03:44:54,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:44:54,212 INFO L93 Difference]: Finished difference Result 1794 states and 2166 transitions. [2022-11-03 03:44:54,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-03 03:44:54,213 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 33 states have (on average 5.515151515151516) internal successors, (182), 34 states have internal predecessors, (182), 23 states have call successors, (42), 9 states have call predecessors, (42), 15 states have return successors, (45), 18 states have call predecessors, (45), 23 states have call successors, (45) Word has length 153 [2022-11-03 03:44:54,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:44:54,215 INFO L225 Difference]: With dead ends: 1794 [2022-11-03 03:44:54,216 INFO L226 Difference]: Without dead ends: 0 [2022-11-03 03:44:54,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 498 GetRequests, 411 SyntacticMatches, 2 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3296 ImplicationChecksByTransitivity, 15.2s TimeCoverageRelationStatistics Valid=875, Invalid=6607, Unknown=0, NotChecked=0, Total=7482 [2022-11-03 03:44:54,223 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 509 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 626 mSolverCounterSat, 301 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 512 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 927 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 301 IncrementalHoareTripleChecker+Valid, 626 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 03:44:54,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [512 Valid, 484 Invalid, 927 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [301 Valid, 626 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-03 03:44:54,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-03 03:44:54,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-03 03:44:54,226 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 03:44:54,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-03 03:44:54,227 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 153 [2022-11-03 03:44:54,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:44:54,227 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-03 03:44:54,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 33 states have (on average 5.515151515151516) internal successors, (182), 34 states have internal predecessors, (182), 23 states have call successors, (42), 9 states have call predecessors, (42), 15 states have return successors, (45), 18 states have call predecessors, (45), 23 states have call successors, (45) [2022-11-03 03:44:54,228 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-03 03:44:54,228 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-03 03:44:54,232 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 03:44:54,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dba846-b6b9-497b-8f12-4015af6755f8/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-03 03:44:54,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dba846-b6b9-497b-8f12-4015af6755f8/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-03 03:44:54,457 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-03 03:45:05,889 WARN L234 SmtUtils]: Spent 9.63s on a formula simplification. DAG size of input: 441 DAG size of output: 430 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-03 03:45:16,413 WARN L234 SmtUtils]: Spent 5.85s on a formula simplification. DAG size of input: 589 DAG size of output: 475 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-03 03:45:34,655 WARN L234 SmtUtils]: Spent 5.61s on a formula simplification. DAG size of input: 555 DAG size of output: 462 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-11-03 03:45:53,879 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 183 190) the Hoare annotation is: (or (not (= ~waterLevel~0 1)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (and (not (= ~methaneLevelCritical~0 0)) (not (= ~methaneLevelCritical~0 1))) (not (= 1 ~systemActive~0)) (= |old(~pumpRunning~0)| 0)) [2022-11-03 03:45:53,879 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 183 190) no Hoare annotation was computed. [2022-11-03 03:45:53,880 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 98 104) no Hoare annotation was computed. [2022-11-03 03:45:53,880 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 98 104) the Hoare annotation is: true [2022-11-03 03:45:53,880 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 938 949) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 0)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (and (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 1)))) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= ~waterLevel~0 2)) (< ~waterLevel~0 2) .cse4) (or (not (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2022-11-03 03:45:53,880 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 938 949) no Hoare annotation was computed. [2022-11-03 03:45:53,881 INFO L902 garLoopResultBuilder]: At program point L417(line 417) the Hoare annotation is: true [2022-11-03 03:45:53,881 INFO L899 garLoopResultBuilder]: For program point L417-1(line 417) no Hoare annotation was computed. [2022-11-03 03:45:53,881 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 411 440) no Hoare annotation was computed. [2022-11-03 03:45:53,881 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 411 440) the Hoare annotation is: true [2022-11-03 03:45:53,881 INFO L902 garLoopResultBuilder]: At program point L436(lines 411 440) the Hoare annotation is: true [2022-11-03 03:45:53,881 INFO L899 garLoopResultBuilder]: For program point L432(line 432) no Hoare annotation was computed. [2022-11-03 03:45:53,881 INFO L899 garLoopResultBuilder]: For program point L425(lines 425 429) no Hoare annotation was computed. [2022-11-03 03:45:53,882 INFO L902 garLoopResultBuilder]: At program point L425-1(lines 425 429) the Hoare annotation is: true [2022-11-03 03:45:53,882 INFO L902 garLoopResultBuilder]: At program point L421-2(lines 421 435) the Hoare annotation is: true [2022-11-03 03:45:53,882 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 950 958) the Hoare annotation is: true [2022-11-03 03:45:53,882 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 950 958) no Hoare annotation was computed. [2022-11-03 03:45:53,882 INFO L899 garLoopResultBuilder]: For program point L386-1(line 386) no Hoare annotation was computed. [2022-11-03 03:45:53,883 INFO L895 garLoopResultBuilder]: At program point L151(line 151) the Hoare annotation is: (let ((.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (and (not (= ~methaneLevelCritical~0 0)) (not (= ~methaneLevelCritical~0 1)))) (.cse4 (not (= 1 ~systemActive~0))) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse1 (let ((.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or (and (not (< 0 ~waterLevel~0)) .cse6) (and (= ~pumpRunning~0 0) .cse6)))) (.cse5 (not (= |old(~pumpRunning~0)| 0)))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1 (< 1 ~waterLevel~0)) .cse2 .cse3 .cse4 (< |old(~waterLevel~0)| 2) (not (<= |old(~waterLevel~0)| 2))) (or .cse5 .cse2 (not (= |old(~waterLevel~0)| 1)) .cse3 .cse4 (and .cse0 .cse1 (= ~waterLevel~0 1))) (or .cse5 (not (= 0 ~systemActive~0))))) [2022-11-03 03:45:53,883 INFO L895 garLoopResultBuilder]: At program point L151-1(lines 132 156) the Hoare annotation is: (let ((.cse22 (= ~methaneLevelCritical~0 0)) (.cse5 (= ~methaneLevelCritical~0 1))) (let ((.cse13 (= ~methAndRunningLastTime~0 0)) (.cse20 (= 1 ~systemActive~0)) (.cse21 (not .cse5)) (.cse10 (= ~pumpRunning~0 0)) (.cse8 (not (= |old(~pumpRunning~0)| 0))) (.cse15 (not .cse22))) (let ((.cse6 (= ~waterLevel~0 1)) (.cse4 (and (or .cse8 .cse22) (or .cse15 (not (= |old(~pumpRunning~0)| 1))))) (.cse11 (and .cse13 (or .cse22 .cse5) (<= 2 ~waterLevel~0) .cse20 (<= ~waterLevel~0 2) (= |old(~waterLevel~0)| ~waterLevel~0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse21) (or (and .cse10 .cse15) (and .cse22 (= ~pumpRunning~0 1))))) (.cse1 (and .cse15 .cse21)) (.cse3 (< |old(~waterLevel~0)| 2)) (.cse7 (not (<= |old(~waterLevel~0)| 2))) (.cse12 (not (= |#NULL.offset| 0))) (.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse9 (not (= |old(~waterLevel~0)| 1))) (.cse2 (not .cse20)) (.cse14 (not (= ~head~0.offset 0))) (.cse16 (not (= |#NULL.base| 0))) (.cse17 (not (<= 0 |#StackHeapBarrier|))) (.cse18 (not (= ~head~0.base 0))) (.cse19 (not (= ~cleanupTimeShifts~0 4)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (or .cse8 .cse0 .cse9 .cse1 .cse2 (and .cse10 .cse6)) (or .cse11 .cse0 .cse1 .cse2 (and (= |timeShift_processEnvironment_~tmp~1#1| 1) .cse10 .cse6) .cse3 .cse7) (or .cse12 .cse0 .cse13 .cse2 .cse14 .cse3 .cse4 .cse15 .cse16 .cse17 .cse7 .cse18 .cse19) (or .cse11 .cse8 .cse0 .cse1 .cse2 .cse3 .cse7) (or .cse8 .cse12 .cse0 .cse13 .cse9 .cse2 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19) (or .cse8 (not (= 0 ~systemActive~0))))))) [2022-11-03 03:45:53,883 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 85 91) no Hoare annotation was computed. [2022-11-03 03:45:53,884 INFO L899 garLoopResultBuilder]: For program point L78-1(lines 77 96) no Hoare annotation was computed. [2022-11-03 03:45:53,884 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 148) no Hoare annotation was computed. [2022-11-03 03:45:53,884 INFO L895 garLoopResultBuilder]: At program point L136(lines 136 153) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse3 (= ~methAndRunningLastTime~0 0)) (.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (and (not (= ~methaneLevelCritical~0 0)) (not (= ~methaneLevelCritical~0 1)))) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (< |old(~waterLevel~0)| 2) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3 (or (and .cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (and (not .cse4) (= |old(~waterLevel~0)| (+ ~waterLevel~0 1))))) (not (<= |old(~waterLevel~0)| 2))) (or .cse5 (and .cse4 .cse3 (= ~waterLevel~0 1)) .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse5 (not (= 0 ~systemActive~0))))) [2022-11-03 03:45:53,884 INFO L899 garLoopResultBuilder]: For program point L392(lines 392 402) no Hoare annotation was computed. [2022-11-03 03:45:53,887 INFO L895 garLoopResultBuilder]: At program point L388(lines 388 405) the Hoare annotation is: (let ((.cse35 (= ~methaneLevelCritical~0 0)) (.cse34 (= ~methaneLevelCritical~0 1))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse30 (= ~methAndRunningLastTime~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse33 (not .cse34)) (.cse1 (= ~pumpRunning~0 0)) (.cse21 (not .cse35)) (.cse25 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~6#1| ~methaneLevelCritical~0))) (let ((.cse28 (and .cse30 (or .cse35 .cse34) .cse2 (= |old(~waterLevel~0)| ~waterLevel~0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse33) (or (and .cse1 .cse21) (and .cse35 (= ~pumpRunning~0 1))) .cse25)) (.cse12 (not (= |#NULL.offset| 0))) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse20 (not (= ~head~0.offset 0))) (.cse23 (not (= |#NULL.base| 0))) (.cse32 (not (<= 0 |#StackHeapBarrier|))) (.cse24 (not (= ~head~0.base 0))) (.cse26 (not (= ~cleanupTimeShifts~0 4))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (and .cse21 .cse33)) (.cse7 (not .cse2)) (.cse27 (< |old(~waterLevel~0)| 2)) (.cse31 (and (or .cse0 .cse35) (or .cse21 (not (= |old(~pumpRunning~0)| 1))))) (.cse3 (= ~waterLevel~0 1)) (.cse29 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (and .cse1 .cse2 .cse3) .cse4 .cse5 .cse6 .cse7) (let ((.cse11 (select |#memory_int| 9)) (.cse10 (select |#memory_int| 1)) (.cse15 (select |#memory_int| 5)) (.cse8 (select |#memory_int| 6)) (.cse13 (select |#memory_int| 8)) (.cse14 (select |#memory_int| 26)) (.cse18 (select |#memory_int| 11)) (.cse16 (select |#memory_int| 7)) (.cse22 (select |#memory_int| 10)) (.cse17 (select |#memory_int| 27)) (.cse19 (select |#memory_int| 28)) (.cse9 (select |#memory_int| 25))) (or (not (= (select .cse8 1) 102)) (not (= (select |#length| 6) 4)) (not (= (select |#valid| 23) 1)) (not (= 101 (select .cse9 2))) (not (= (select |#length| 24) 13)) (not (= (select .cse9 6) 0)) .cse0 (not (= (select .cse10 0) 48)) (not (= (select .cse11 3) 0)) .cse12 (not (= (select |#valid| 26) 1)) (not (= (select |#length| 4) 13)) .cse4 (not (= (select .cse13 0) 79)) (not (= (select |#length| 27) 3)) (not (= 82 (select .cse14 1))) (not (= 31 (select |#length| 2))) (not (= (select .cse11 1) 102)) (not (= (select |#valid| 12) 1)) (not (= (select .cse11 0) 79)) (not (= (select .cse8 2) 102)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 13))) .cse5 (not (= (select .cse15 0) 79)) (not (= 2 (select |#length| 11))) (not (= 58 (select .cse16 5))) (not (= (select .cse11 2) 102)) .cse7 (not (= (select .cse8 3) 0)) (not (= 30 (select |#length| 18))) (not (= (select |#length| 15) 30)) (not (= 116 (select .cse9 3))) (not (= (select .cse17 1) 75)) (not (= (select |#valid| 6) 1)) (not (= (select |#length| 8) 3)) (not (= 25 (select |#length| 23))) (not (= 104 (select .cse9 4))) (not (= 67 (select .cse14 0))) (not (= (select .cse18 0) 10)) (not (< 0 |#StackHeapBarrier|)) (not (= (select |#length| 21) 30)) (not (= (select .cse14 2) 73)) (not (= (select .cse15 1) 110)) (not (= (select |#length| 20) 25)) (not (= (select |#valid| 3) 1)) (not (= 41 (select .cse19 0))) (not (= (select |#valid| 25) 1)) .cse20 (not (= (select |#valid| 20) 1)) (not (= (select |#valid| 21) 1)) (not (= (select |#valid| 11) 1)) (not (= (select |#valid| 16) 1)) (not (= (select |#valid| 28) 1)) (not (= (select .cse16 6) 0)) (not (= (select |#valid| 15) 1)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 3) 12)) (not (= 9 (select |#length| 16))) (not (= (select |#valid| 0) 0)) (not (= 109 (select .cse16 3))) .cse21 (not (= (select |#valid| 27) 1)) (not (= (select .cse10 1) 0)) (not (= 3 (select |#length| 5))) (not (= (select |#valid| 24) 1)) (not (= (select .cse16 1) 80)) (not (= (select |#valid| 19) 1)) (not (= (select .cse22 0) 41)) (not (= (select |#length| 28) 2)) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 22) 1)) (not (= 3 (select |#length| 10))) (not (= (select .cse15 2) 0)) (not (= 7 (select |#length| 25))) (not (= (select .cse9 0) 44)) (not (= 112 (select .cse16 4))) (not (= (select |#valid| 8) 1)) (not (= (select .cse14 4) 0)) (not (= (select |#valid| 4) 1)) (not (= (select .cse17 2) 0)) .cse23 (not (= 7 (select |#length| 7))) (not (= (select .cse13 2) 0)) (not (= (select |#length| 17) 21)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select .cse8 0) 79)) (not (= 21 (select |#length| 14))) (not (= (select |#valid| 14) 1)) (not (= 110 (select .cse13 1))) (not (= (select |#valid| 13) 1)) (not (= 5 (select |#length| 26))) (not (= (select |#valid| 2) 1)) (not (= (select |#length| 9) 4)) (not (= (select .cse14 3) 84)) (not (= (select |#length| 22) 9)) (not (= (select .cse18 1) 0)) (not (= (select .cse22 2) 0)) (not (= (select |#valid| 17) 1)) (not (= 44 (select .cse16 0))) (not (= (select |#length| 19) 9)) (not (= 117 (select .cse16 2))) (not (= (select |#valid| 9) 1)) (not (= (select .cse9 5) 58)) (not (= 32 (select .cse22 1))) (not (= 30 (select |#length| 12))) .cse24 (not (= (select .cse17 0) 79)) .cse25 (not (= (select .cse19 1) 0)) .cse26 (not (= (select |#valid| 18) 1)) (not (= 77 (select .cse9 1))))) (or .cse0 .cse1 (not (= 0 ~systemActive~0))) (or .cse0 .cse4 .cse6 .cse7 .cse27 .cse28 .cse29) (or .cse12 .cse4 .cse30 .cse7 .cse20 .cse27 .cse31 .cse21 .cse23 .cse32 .cse29 .cse24 .cse26) (or .cse4 .cse6 .cse7 (and (= |timeShift_processEnvironment_~tmp~1#1| 1) .cse1 .cse2 .cse3) .cse27 .cse28 .cse29) (or .cse0 .cse4 .cse5 .cse7 .cse33 .cse25) (or .cse0 .cse12 .cse4 .cse30 .cse5 .cse7 .cse20 .cse21 .cse23 .cse32 .cse24 .cse26) (or .cse4 .cse6 .cse7 .cse27 .cse31 (and .cse3 .cse25) .cse34 .cse29))))) [2022-11-03 03:45:53,889 INFO L895 garLoopResultBuilder]: At program point L388-1(lines 380 408) the Hoare annotation is: (let ((.cse30 (= ~methaneLevelCritical~0 1)) (.cse26 (= ~methaneLevelCritical~0 0))) (let ((.cse33 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse21 (= ~pumpRunning~0 0)) (.cse22 (= ~methAndRunningLastTime~0 0)) (.cse31 (<= 2 ~waterLevel~0)) (.cse29 (= 1 ~systemActive~0)) (.cse32 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse28 (or (= |timeShift___utac_acc__Specification2_spec__2_~tmp___0~3#1| 0) (= ~pumpRunning~0 |timeShift___utac_acc__Specification2_spec__2_~tmp___0~3#1|))) (.cse17 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~6#1| ~methaneLevelCritical~0)) (.cse15 (not .cse26)) (.cse27 (not .cse30))) (let ((.cse23 (= ~waterLevel~0 1)) (.cse18 (and .cse15 .cse27)) (.cse19 (and .cse33 .cse21 .cse22 .cse31 .cse29 .cse30 .cse32 .cse28 .cse17)) (.cse20 (< |old(~waterLevel~0)| 2)) (.cse24 (not (<= |old(~waterLevel~0)| 2))) (.cse25 (and .cse22 (or .cse26 .cse30) .cse31 .cse29 (or (not (= |processEnvironment__wrappee__highWaterSensor_isMethaneAlarm_#t~ret7#1| 0)) .cse26) .cse32 (or .cse33 .cse27) (or (and .cse21 .cse15) (and .cse26 (= ~pumpRunning~0 1))) (or .cse26 (not (= |isMethaneLevelCritical_#res| 0))) .cse17)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse11 (not .cse29))) (and (let ((.cse4 (select |#memory_int| 9)) (.cse3 (select |#memory_int| 1)) (.cse9 (select |#memory_int| 5)) (.cse0 (select |#memory_int| 6)) (.cse6 (select |#memory_int| 8)) (.cse7 (select |#memory_int| 26)) (.cse13 (select |#memory_int| 11)) (.cse10 (select |#memory_int| 7)) (.cse16 (select |#memory_int| 10)) (.cse12 (select |#memory_int| 27)) (.cse14 (select |#memory_int| 28)) (.cse1 (select |#memory_int| 25))) (or (not (= (select .cse0 1) 102)) (not (= (select |#length| 6) 4)) (not (= (select |#valid| 23) 1)) (not (= 101 (select .cse1 2))) (not (= (select |#length| 24) 13)) (not (= (select .cse1 6) 0)) .cse2 (not (= (select .cse3 0) 48)) (not (= (select .cse4 3) 0)) (not (= |#NULL.offset| 0)) (not (= (select |#valid| 26) 1)) (not (= (select |#length| 4) 13)) .cse5 (not (= (select .cse6 0) 79)) (not (= (select |#length| 27) 3)) (not (= 82 (select .cse7 1))) (not (= 31 (select |#length| 2))) (not (= (select .cse4 1) 102)) (not (= (select |#valid| 12) 1)) (not (= (select .cse4 0) 79)) (not (= (select .cse0 2) 102)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 13))) .cse8 (not (= (select .cse9 0) 79)) (not (= 2 (select |#length| 11))) (not (= 58 (select .cse10 5))) (not (= (select .cse4 2) 102)) .cse11 (not (= (select .cse0 3) 0)) (not (= 30 (select |#length| 18))) (not (= (select |#length| 15) 30)) (not (= 116 (select .cse1 3))) (not (= (select .cse12 1) 75)) (not (= (select |#valid| 6) 1)) (not (= (select |#length| 8) 3)) (not (= 25 (select |#length| 23))) (not (= 104 (select .cse1 4))) (not (= 67 (select .cse7 0))) (not (= (select .cse13 0) 10)) (not (< 0 |#StackHeapBarrier|)) (not (= (select |#length| 21) 30)) (not (= (select .cse7 2) 73)) (not (= (select .cse9 1) 110)) (not (= (select |#length| 20) 25)) (not (= (select |#valid| 3) 1)) (not (= 41 (select .cse14 0))) (not (= (select |#valid| 25) 1)) (not (= ~head~0.offset 0)) (not (= (select |#valid| 20) 1)) (not (= (select |#valid| 21) 1)) (not (= (select |#valid| 11) 1)) (not (= (select |#valid| 16) 1)) (not (= (select |#valid| 28) 1)) (not (= (select .cse10 6) 0)) (not (= (select |#valid| 15) 1)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 3) 12)) (not (= 9 (select |#length| 16))) (not (= (select |#valid| 0) 0)) (not (= 109 (select .cse10 3))) .cse15 (not (= (select |#valid| 27) 1)) (not (= (select .cse3 1) 0)) (not (= 3 (select |#length| 5))) (not (= (select |#valid| 24) 1)) (not (= (select .cse10 1) 80)) (not (= (select |#valid| 19) 1)) (not (= (select .cse16 0) 41)) (not (= (select |#length| 28) 2)) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 22) 1)) (not (= 3 (select |#length| 10))) (not (= (select .cse9 2) 0)) (not (= 7 (select |#length| 25))) (not (= (select .cse1 0) 44)) (not (= 112 (select .cse10 4))) (not (= (select |#valid| 8) 1)) (not (= (select .cse7 4) 0)) (not (= (select |#valid| 4) 1)) (not (= (select .cse12 2) 0)) (not (= |#NULL.base| 0)) (not (= 7 (select |#length| 7))) (not (= (select .cse6 2) 0)) (not (= (select |#length| 17) 21)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select .cse0 0) 79)) (not (= 21 (select |#length| 14))) (not (= (select |#valid| 14) 1)) (not (= 110 (select .cse6 1))) (not (= (select |#valid| 13) 1)) (not (= 5 (select |#length| 26))) (not (= (select |#valid| 2) 1)) (not (= (select |#length| 9) 4)) (not (= (select .cse7 3) 84)) (not (= (select |#length| 22) 9)) (not (= (select .cse13 1) 0)) (not (= (select .cse16 2) 0)) (not (= (select |#valid| 17) 1)) (not (= 44 (select .cse10 0))) (not (= (select |#length| 19) 9)) (not (= 117 (select .cse10 2))) (not (= (select |#valid| 9) 1)) (not (= (select .cse1 5) 58)) (not (= 32 (select .cse16 1))) (not (= 30 (select |#length| 12))) (not (= ~head~0.base 0)) (not (= (select .cse12 0) 79)) .cse17 (not (= (select .cse14 1) 0)) (not (= ~cleanupTimeShifts~0 4)) (not (= (select |#valid| 18) 1)) (not (= 77 (select .cse1 1))))) (or .cse5 .cse18 .cse11 .cse19 .cse20 (and (= |timeShift_processEnvironment_~tmp~1#1| 1) .cse21 .cse22 .cse23) .cse24 .cse25) (or .cse2 (not (= 0 ~systemActive~0)) (and .cse21 .cse22)) (or .cse2 (and .cse21 .cse22 .cse23) .cse5 .cse8 .cse18 .cse11) (or .cse5 .cse18 .cse11 .cse19 .cse20 (and (or .cse2 .cse26) (or .cse15 (not (= |old(~pumpRunning~0)| 1)))) (and .cse23 .cse17) .cse24) (or .cse2 .cse5 .cse18 .cse11 .cse19 .cse20 .cse24 .cse25) (or .cse2 .cse5 .cse8 .cse11 .cse27 (and .cse28 .cse17)))))) [2022-11-03 03:45:53,890 INFO L895 garLoopResultBuilder]: At program point L54(line 54) the Hoare annotation is: (let ((.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (and (not (= ~methaneLevelCritical~0 0)) (not (= ~methaneLevelCritical~0 1)))) (.cse3 (not (= 1 ~systemActive~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3) (or .cse1 .cse2 .cse3 (< |old(~waterLevel~0)| 2) (not (<= |old(~waterLevel~0)| 2))) (or .cse0 (not (= 0 ~systemActive~0))))) [2022-11-03 03:45:53,890 INFO L899 garLoopResultBuilder]: For program point L393(lines 393 399) no Hoare annotation was computed. [2022-11-03 03:45:53,890 INFO L895 garLoopResultBuilder]: At program point L146(line 146) the Hoare annotation is: (let ((.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (and (not (= ~methaneLevelCritical~0 0)) (not (= ~methaneLevelCritical~0 1)))) (.cse3 (not (= 1 ~systemActive~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3) (or .cse1 .cse2 .cse3 (< |old(~waterLevel~0)| 2) (not (<= |old(~waterLevel~0)| 2))) (or .cse0 (not (= 0 ~systemActive~0))))) [2022-11-03 03:45:53,890 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 74 97) the Hoare annotation is: (let ((.cse2 (not (= 0 ~systemActive~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (and (not (= ~methaneLevelCritical~0 0)) (not (= ~methaneLevelCritical~0 1)))) (.cse6 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse2) (or .cse0 (and .cse1 .cse4 (= ~waterLevel~0 1)) .cse3 (not (= |old(~waterLevel~0)| 1)) .cse5 .cse6) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse3 .cse5 .cse6 (< |old(~waterLevel~0)| 2) (not (<= |old(~waterLevel~0)| 2))))) [2022-11-03 03:45:53,891 INFO L895 garLoopResultBuilder]: At program point L142(line 142) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (and .cse5 (not (= ~methaneLevelCritical~0 1)))) (.cse3 (not (= 1 ~systemActive~0))) (.cse4 (< |old(~waterLevel~0)| 2)) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3) (or (not (= |#NULL.offset| 0)) .cse1 (= ~methAndRunningLastTime~0 0) .cse3 (not (= ~head~0.offset 0)) .cse4 .cse5 (not (= |old(~pumpRunning~0)| 1)) (not (= |#NULL.base| 0)) (not (<= 0 |#StackHeapBarrier|)) .cse6 (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4))) (or .cse1 .cse2 .cse3 .cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (= |timeShift_processEnvironment_~tmp~1#1| 1) (= ~waterLevel~0 1)) .cse6) (or .cse0 (not (= 0 ~systemActive~0)))))) [2022-11-03 03:45:53,891 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 74 97) no Hoare annotation was computed. [2022-11-03 03:45:53,891 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2022-11-03 03:45:53,892 INFO L895 garLoopResultBuilder]: At program point L386(line 386) the Hoare annotation is: (let ((.cse23 (= ~methaneLevelCritical~0 0)) (.cse5 (= ~methaneLevelCritical~0 1))) (let ((.cse12 (= ~methAndRunningLastTime~0 0)) (.cse21 (= 1 ~systemActive~0)) (.cse22 (not .cse5)) (.cse9 (= ~pumpRunning~0 0)) (.cse8 (not (= |old(~pumpRunning~0)| 0))) (.cse16 (not .cse23))) (let ((.cse10 (not (= 0 ~systemActive~0))) (.cse6 (= ~waterLevel~0 1)) (.cse4 (and (or .cse8 .cse23) (or .cse16 (not (= |old(~pumpRunning~0)| 1))))) (.cse13 (and .cse12 (or .cse23 .cse5) (<= 2 ~waterLevel~0) .cse21 (<= ~waterLevel~0 2) (= |old(~waterLevel~0)| ~waterLevel~0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse22) (or (and .cse9 .cse16) (and .cse23 (= ~pumpRunning~0 1))))) (.cse1 (and .cse16 .cse22)) (.cse3 (< |old(~waterLevel~0)| 2)) (.cse7 (not (<= |old(~waterLevel~0)| 2))) (.cse14 (not (= |#NULL.offset| 0))) (.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse11 (not (= |old(~waterLevel~0)| 1))) (.cse2 (not .cse21)) (.cse15 (not (= ~head~0.offset 0))) (.cse17 (not (= |#NULL.base| 0))) (.cse18 (not (<= 0 |#StackHeapBarrier|))) (.cse19 (not (= ~head~0.base 0))) (.cse20 (not (= ~cleanupTimeShifts~0 4)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (or .cse8 .cse9 .cse10) (or .cse8 .cse0 .cse11 .cse1 .cse2 (and .cse9 .cse6)) (or .cse8 .cse0 .cse12 .cse10) (or .cse13 .cse0 .cse1 .cse2 (and (= |timeShift_processEnvironment_~tmp~1#1| 1) .cse9 .cse6) .cse3 .cse7) (or .cse14 .cse0 .cse12 .cse2 .cse15 .cse3 .cse4 .cse16 .cse17 .cse18 .cse7 .cse19 .cse20) (or .cse13 .cse8 .cse0 .cse1 .cse2 .cse3 .cse7) (or .cse8 .cse14 .cse0 .cse12 .cse11 .cse2 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20))))) [2022-11-03 03:45:53,892 INFO L895 garLoopResultBuilder]: At program point L362(lines 313 363) the Hoare annotation is: false [2022-11-03 03:45:53,892 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 356) no Hoare annotation was computed. [2022-11-03 03:45:53,892 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-11-03 03:45:53,892 INFO L895 garLoopResultBuilder]: At program point L350-2(lines 344 357) the Hoare annotation is: (let ((.cse1 (= ~methAndRunningLastTime~0 0)) (.cse2 (or (= ~methaneLevelCritical~0 0) (= ~methaneLevelCritical~0 1))) (.cse3 (= 1 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~waterLevel~0 1)) (and .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 (<= ~waterLevel~0 2)) (and .cse0 .cse4 (= 0 ~systemActive~0)))) [2022-11-03 03:45:53,893 INFO L899 garLoopResultBuilder]: For program point L334(lines 334 340) no Hoare annotation was computed. [2022-11-03 03:45:53,893 INFO L899 garLoopResultBuilder]: For program point L334-1(lines 334 340) no Hoare annotation was computed. [2022-11-03 03:45:53,893 INFO L895 garLoopResultBuilder]: At program point L359(lines 314 361) the Hoare annotation is: (let ((.cse5 (= ~methaneLevelCritical~0 0))) (let ((.cse1 (or .cse5 (= ~methaneLevelCritical~0 1))) (.cse2 (= 1 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2 .cse3 (or (and .cse4 (not .cse5)) (and .cse5 (= ~pumpRunning~0 1)))) (and .cse4 .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1)) (and .cse4 .cse0 .cse3 (= 0 ~systemActive~0))))) [2022-11-03 03:45:53,893 INFO L895 garLoopResultBuilder]: At program point L326(line 326) the Hoare annotation is: (let ((.cse5 (= ~methaneLevelCritical~0 0))) (let ((.cse2 (or .cse5 (= ~methaneLevelCritical~0 1))) (.cse3 (= 1 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~waterLevel~0 1)) (and .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 (<= ~waterLevel~0 2) (or (and .cse0 (not .cse5)) (and .cse5 (= ~pumpRunning~0 1)))) (and .cse0 .cse1 .cse4 (= 0 ~systemActive~0))))) [2022-11-03 03:45:53,893 INFO L899 garLoopResultBuilder]: For program point L289(lines 289 295) no Hoare annotation was computed. [2022-11-03 03:45:53,894 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-03 03:45:53,894 INFO L895 garLoopResultBuilder]: At program point L289-1(lines 289 295) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (not (= 0 ~systemActive~0))) (and .cse0 (= ~methAndRunningLastTime~0 0) .cse1))) [2022-11-03 03:45:53,895 INFO L895 garLoopResultBuilder]: At program point L496(lines 496 503) the Hoare annotation is: (let ((.cse2 (select |#memory_int| 11)) (.cse8 (select |#memory_int| 8)) (.cse4 (select |#memory_int| 9)) (.cse10 (select |#memory_int| 28)) (.cse5 (select |#memory_int| 7)) (.cse1 (select |#memory_int| 6)) (.cse11 (select |#memory_int| 1)) (.cse9 (select |#memory_int| 25)) (.cse3 (select |#memory_int| 10)) (.cse7 (select |#memory_int| 5)) (.cse6 (select |#memory_int| 27)) (.cse0 (select |#memory_int| 26))) (and (= (select .cse0 3) 84) (= (select .cse1 2) 102) (= (select .cse2 1) 0) (= 1 (select |#valid| 5)) (= 32 (select .cse3 1)) (= (select |#length| 3) 12) (= (select .cse4 0) 79) (= (select |#valid| 15) 1) (= 112 (select .cse5 4)) (= (select .cse1 0) 79) (= 82 (select .cse0 1)) (= |ULTIMATE.start_valid_product_~retValue_acc~6#1| 1) (= 3 (select |#length| 10)) (= ~pumpRunning~0 0) (= (select |#valid| 26) 1) (= 67 (select .cse0 0)) (= (select .cse5 1) 80) (= (select .cse6 2) 0) (= 9 (select |#length| 16)) (= (select |#length| 8) 3) (= ~methAndRunningLastTime~0 0) (= (select |#length| 6) 4) (= (select |#length| 20) 25) (= (select .cse6 1) 75) (= (select |#valid| 9) 1) (= (select |#length| 4) 13) (= 117 (select .cse5 2)) (= (select .cse7 2) 0) (= 7 (select |#length| 7)) (= (select |#length| 28) 2) (= 110 (select .cse8 1)) (= (select .cse1 1) 102) (= (select |#length| 15) 30) (= (select |#valid| 11) 1) (= (select |#valid| 27) 1) (= ~methaneLevelCritical~0 0) (= 58 (select .cse5 5)) (= (select .cse8 0) 79) (= 44 (select .cse5 0)) (= |ULTIMATE.start_valid_product_~retValue_acc~6#1| |ULTIMATE.start_valid_product_#res#1|) (= 31 (select |#length| 2)) (= ~head~0.offset 0) (= 30 (select |#length| 12)) (= (select |#length| 24) 13) (= (select |#length| 27) 3) (= (select .cse2 0) 10) (= 2 (select |#length| 1)) (= (select .cse9 5) 58) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 5 (select |#length| 26)) (= 77 (select .cse9 1)) (= (select |#valid| 18) 1) (= |ULTIMATE.start_valid_product_#res#1| |ULTIMATE.start_main_~tmp~7#1|) (= (select |#valid| 22) 1) (= 3 (select |#length| 5)) (= 25 (select |#length| 23)) (= 2 (select |#length| 11)) (= 1 ~systemActive~0) (= (select .cse9 6) 0) (= (select |#valid| 24) 1) (= (select .cse0 4) 0) (= (select .cse4 3) 0) (= (select |#valid| 12) 1) (= (select |#length| 19) 9) (= (select |#valid| 28) 1) (= (select .cse10 1) 0) (= (select |#valid| 4) 1) (= (select .cse4 1) 102) (= 9 (select |#length| 13)) (= (select .cse8 2) 0) (= (select |#valid| 1) 1) (= (select .cse5 6) 0) (= (select .cse4 2) 102) (= (select |#valid| 20) 1) (= (select .cse7 0) 79) (= (select |#valid| 21) 1) (= (select |#length| 9) 4) (= (select |#length| 22) 9) (= (select |#valid| 14) 1) (= (select |#length| 21) 30) (= (select |#valid| 0) 0) (= (select |#valid| 25) 1) (= (select |#length| 17) 21) (= ~head~0.base 0) (= 101 (select .cse9 2)) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= ~waterLevel~0 1) (= (select .cse3 2) 0) (= (select .cse9 0) 44) (= (select .cse11 0) 48) (= (select |#valid| 23) 1) (= 41 (select .cse10 0)) (= 116 (select .cse9 3)) (= 7 (select |#length| 25)) (= (select |#valid| 19) 1) (= 109 (select .cse5 3)) (= (select .cse1 3) 0) (= (select |#valid| 16) 1) (= (select |#valid| 6) 1) (= 30 (select |#length| 18)) (= (select .cse11 1) 0) (= 104 (select .cse9 4)) (= (select .cse3 0) 41) (= (select |#valid| 17) 1) (= (select |#valid| 10) 1) (= (select .cse7 1) 110) (= (select .cse6 0) 79) (= (select |#valid| 8) 1) (= (select |#valid| 13) 1) (= (select .cse0 2) 73) (< 0 |#StackHeapBarrier|) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0) (= 21 (select |#length| 14)))) [2022-11-03 03:45:53,895 INFO L902 garLoopResultBuilder]: At program point L496-2(lines 496 503) the Hoare annotation is: true [2022-11-03 03:45:53,896 INFO L899 garLoopResultBuilder]: For program point L315(lines 314 361) no Hoare annotation was computed. [2022-11-03 03:45:53,896 INFO L899 garLoopResultBuilder]: For program point L344(lines 344 357) no Hoare annotation was computed. [2022-11-03 03:45:53,896 INFO L895 garLoopResultBuilder]: At program point L336(line 336) the Hoare annotation is: (let ((.cse1 (or (= ~methaneLevelCritical~0 0) (= ~methaneLevelCritical~0 1))) (.cse2 (= 1 ~systemActive~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1)) (and .cse4 .cse0 .cse3 (= 0 ~systemActive~0)))) [2022-11-03 03:45:53,896 INFO L902 garLoopResultBuilder]: At program point L365(lines 304 369) the Hoare annotation is: true [2022-11-03 03:45:53,896 INFO L899 garLoopResultBuilder]: For program point L324(lines 324 330) no Hoare annotation was computed. [2022-11-03 03:45:53,897 INFO L899 garLoopResultBuilder]: For program point L324-1(lines 324 330) no Hoare annotation was computed. [2022-11-03 03:45:53,897 INFO L895 garLoopResultBuilder]: At program point L291(line 291) the Hoare annotation is: (and (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-03 03:45:53,897 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 106 130) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (and (not (= ~methaneLevelCritical~0 0)) (not (= ~methaneLevelCritical~0 1)))) (.cse3 (not (= 1 ~systemActive~0))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= ~waterLevel~0 2)) (< ~waterLevel~0 2) .cse4) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2022-11-03 03:45:53,899 INFO L895 garLoopResultBuilder]: At program point L120(line 120) the Hoare annotation is: (let ((.cse16 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse5 (not (= ~waterLevel~0 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and .cse16 (not (= ~methaneLevelCritical~0 1)))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 (not (<= ~waterLevel~0 2)) (< ~waterLevel~0 2) .cse3) (let ((.cse8 (select |#memory_int| 9)) (.cse7 (select |#memory_int| 1)) (.cse11 (select |#memory_int| 5)) (.cse4 (select |#memory_int| 6)) (.cse9 (select |#memory_int| 8)) (.cse10 (select |#memory_int| 26)) (.cse14 (select |#memory_int| 11)) (.cse12 (select |#memory_int| 7)) (.cse17 (select |#memory_int| 10)) (.cse13 (select |#memory_int| 27)) (.cse15 (select |#memory_int| 28)) (.cse6 (select |#memory_int| 25))) (or (not (= (select .cse4 1) 102)) (not (= (select |#length| 6) 4)) .cse5 (not (= (select |#valid| 23) 1)) (not (= 101 (select .cse6 2))) (not (= (select |#length| 24) 13)) (not (= (select .cse6 6) 0)) .cse0 (not (= (select .cse7 0) 48)) (not (= (select .cse8 3) 0)) (not (= |#NULL.offset| 0)) (not (= (select |#valid| 26) 1)) (not (= (select |#length| 4) 13)) (not (= (select .cse9 0) 79)) (not (= (select |#length| 27) 3)) (not (= 82 (select .cse10 1))) (not (= 31 (select |#length| 2))) (not (= (select .cse8 1) 102)) (not (= (select |#valid| 12) 1)) (not (= (select .cse8 0) 79)) (not (= (select .cse4 2) 102)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 13))) (not (= (select .cse11 0) 79)) (not (= 2 (select |#length| 11))) (not (= 58 (select .cse12 5))) (not (= (select .cse8 2) 102)) .cse2 (not (= (select .cse4 3) 0)) (not (= 30 (select |#length| 18))) (not (= (select |#length| 15) 30)) (not (= 116 (select .cse6 3))) (not (= (select .cse13 1) 75)) (not (= (select |#valid| 6) 1)) (not (= (select |#length| 8) 3)) (not (= 25 (select |#length| 23))) (not (= 104 (select .cse6 4))) (not (= 67 (select .cse10 0))) (not (= (select .cse14 0) 10)) (not (< 0 |#StackHeapBarrier|)) (not (= (select |#length| 21) 30)) (not (= (select .cse10 2) 73)) (not (= (select .cse11 1) 110)) (not (= (select |#length| 20) 25)) (not (= (select |#valid| 3) 1)) (not (= 41 (select .cse15 0))) (not (= (select |#valid| 25) 1)) (not (= ~head~0.offset 0)) (not (= (select |#valid| 20) 1)) (not (= (select |#valid| 21) 1)) (not (= (select |#valid| 11) 1)) (not (= (select |#valid| 16) 1)) (not (= (select |#valid| 28) 1)) (not (= (select .cse12 6) 0)) (not (= (select |#valid| 15) 1)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 3) 12)) (not (= 9 (select |#length| 16))) (not (= (select |#valid| 0) 0)) (not (= 109 (select .cse12 3))) .cse16 (not (= (select |#valid| 27) 1)) (not (= (select .cse7 1) 0)) (not (= 3 (select |#length| 5))) (not (= (select |#valid| 24) 1)) (not (= (select .cse12 1) 80)) (not (= (select |#valid| 19) 1)) (not (= (select .cse17 0) 41)) (not (= (select |#length| 28) 2)) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 22) 1)) (not (= 3 (select |#length| 10))) (not (= (select .cse11 2) 0)) (not (= 7 (select |#length| 25))) (not (= (select .cse6 0) 44)) (not (= 112 (select .cse12 4))) (not (= (select |#valid| 8) 1)) (not (= (select .cse10 4) 0)) (not (= (select |#valid| 4) 1)) (not (= (select .cse13 2) 0)) (not (= |#NULL.base| 0)) (not (= 7 (select |#length| 7))) (not (= (select .cse9 2) 0)) (not (= (select |#length| 17) 21)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select .cse4 0) 79)) (not (= 21 (select |#length| 14))) (not (= (select |#valid| 14) 1)) (not (= 110 (select .cse9 1))) (not (= (select |#valid| 13) 1)) (not (= 5 (select |#length| 26))) (not (= (select |#valid| 2) 1)) (not (= (select |#length| 9) 4)) (not (= (select .cse10 3) 84)) (not (= (select |#length| 22) 9)) .cse3 (not (= (select .cse14 1) 0)) (not (= (select .cse17 2) 0)) (not (= (select |#valid| 17) 1)) (not (= 44 (select .cse12 0))) (not (= (select |#length| 19) 9)) (not (= 117 (select .cse12 2))) (not (= (select |#valid| 9) 1)) (not (= (select .cse6 5) 58)) (not (= 32 (select .cse17 1))) (not (= 30 (select |#length| 12))) (and (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|) (= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_~retValue_acc~12#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~retValue_acc~2#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~0#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~3#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~0#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_~retValue_acc~12#1|)) (not (= ~head~0.base 0)) (not (= (select .cse13 0) 79)) (not (= (select .cse15 1) 0)) (not (= ~cleanupTimeShifts~0 4)) (not (= (select |#valid| 18) 1)) (not (= 77 (select .cse6 1))))) (or .cse5 .cse0 .cse1 .cse2 (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| 0)) .cse3)))) [2022-11-03 03:45:53,900 INFO L899 garLoopResultBuilder]: For program point L114(lines 114 122) no Hoare annotation was computed. [2022-11-03 03:45:53,900 INFO L895 garLoopResultBuilder]: At program point L110(lines 110 127) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (and (not (= ~methaneLevelCritical~0 0)) (not (= ~methaneLevelCritical~0 1)))) (.cse3 (not (= 1 ~systemActive~0))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (<= ~waterLevel~0 2)) (< ~waterLevel~0 2) .cse4) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2022-11-03 03:45:53,900 INFO L895 garLoopResultBuilder]: At program point L125(line 125) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (not (= ~methaneLevelCritical~0 0)) (not (= ~methaneLevelCritical~0 1)))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (<= ~waterLevel~0 2)) (< ~waterLevel~0 2) .cse3))) [2022-11-03 03:45:53,900 INFO L899 garLoopResultBuilder]: For program point L125-1(lines 106 130) no Hoare annotation was computed. [2022-11-03 03:45:53,900 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 106 130) no Hoare annotation was computed. [2022-11-03 03:45:53,903 INFO L895 garLoopResultBuilder]: At program point L196(line 196) the Hoare annotation is: (let ((.cse17 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse1 (and .cse17 (not (= ~methaneLevelCritical~0 1)))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not (<= ~waterLevel~0 2))) (.cse5 (< ~waterLevel~0 2)) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| 1)) .cse4 .cse5 .cse3) (let ((.cse9 (select |#memory_int| 9)) (.cse8 (select |#memory_int| 1)) (.cse12 (select |#memory_int| 5)) (.cse6 (select |#memory_int| 6)) (.cse10 (select |#memory_int| 8)) (.cse11 (select |#memory_int| 26)) (.cse15 (select |#memory_int| 11)) (.cse13 (select |#memory_int| 7)) (.cse18 (select |#memory_int| 10)) (.cse14 (select |#memory_int| 27)) (.cse16 (select |#memory_int| 28)) (.cse7 (select |#memory_int| 25))) (or (not (= (select .cse6 1) 102)) (not (= (select |#length| 6) 4)) (not (= (select |#valid| 23) 1)) (not (= 101 (select .cse7 2))) (not (= (select |#length| 24) 13)) (not (= (select .cse7 6) 0)) .cse0 (not (= (select .cse8 0) 48)) (not (= (select .cse9 3) 0)) (not (= |#NULL.offset| 0)) (not (= (select |#valid| 26) 1)) (not (= (select |#length| 4) 13)) (not (= (select .cse10 0) 79)) (not (= (select |#length| 27) 3)) (not (= 82 (select .cse11 1))) (not (= 31 (select |#length| 2))) (not (= (select .cse9 1) 102)) (not (= (select |#valid| 12) 1)) (not (= (select .cse9 0) 79)) (not (= (select .cse6 2) 102)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 13))) (not (= (select .cse12 0) 79)) (not (= 2 (select |#length| 11))) (not (= 58 (select .cse13 5))) (not (= (select .cse9 2) 102)) .cse2 (not (= (select .cse6 3) 0)) (not (= 30 (select |#length| 18))) (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~3#1| 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~retValue_acc~2#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~0#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~3#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~0#1| 1) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_~retValue_acc~12#1|)) (not (= (select |#length| 15) 30)) (not (= 116 (select .cse7 3))) (not (= (select .cse14 1) 75)) (not (= (select |#valid| 6) 1)) (not (= (select |#length| 8) 3)) (not (= 25 (select |#length| 23))) (not (= 104 (select .cse7 4))) (not (= 67 (select .cse11 0))) (not (= (select .cse15 0) 10)) (not (< 0 |#StackHeapBarrier|)) (not (= (select |#length| 21) 30)) (not (= (select .cse11 2) 73)) (not (= (select .cse12 1) 110)) (not (= (select |#length| 20) 25)) (not (= (select |#valid| 3) 1)) (not (= 41 (select .cse16 0))) (not (= (select |#valid| 25) 1)) (not (= ~head~0.offset 0)) (not (= (select |#valid| 20) 1)) (not (= (select |#valid| 21) 1)) (not (= (select |#valid| 11) 1)) (not (= (select |#valid| 16) 1)) (not (= (select |#valid| 28) 1)) (not (= (select .cse13 6) 0)) (not (= (select |#valid| 15) 1)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 3) 12)) (not (= 9 (select |#length| 16))) (not (= (select |#valid| 0) 0)) (not (= 109 (select .cse13 3))) .cse17 (not (= (select |#valid| 27) 1)) (not (= (select .cse8 1) 0)) (not (= 3 (select |#length| 5))) (not (= (select |#valid| 24) 1)) (not (= (select .cse13 1) 80)) (not (= (select |#valid| 19) 1)) (not (= (select .cse18 0) 41)) (not (= (select |#length| 28) 2)) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 22) 1)) (not (= 3 (select |#length| 10))) (not (= (select .cse12 2) 0)) (not (= 7 (select |#length| 25))) (not (= (select .cse7 0) 44)) (not (= 112 (select .cse13 4))) (not (= (select |#valid| 8) 1)) (not (= (select .cse11 4) 0)) (not (= (select |#valid| 4) 1)) .cse4 (not (= (select .cse14 2) 0)) (not (= |#NULL.base| 0)) (not (= 7 (select |#length| 7))) (not (= (select .cse10 2) 0)) (not (= (select |#length| 17) 21)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select .cse6 0) 79)) (not (= 21 (select |#length| 14))) (not (= (select |#valid| 14) 1)) (not (= 110 (select .cse10 1))) .cse5 (not (= (select |#valid| 13) 1)) (not (= 5 (select |#length| 26))) (not (= (select |#valid| 2) 1)) (not (= (select |#length| 9) 4)) (not (= (select .cse11 3) 84)) (not (= (select |#length| 22) 9)) .cse3 (not (= (select .cse15 1) 0)) (not (= (select .cse18 2) 0)) (not (= (select |#valid| 17) 1)) (not (= 44 (select .cse13 0))) (not (= (select |#length| 19) 9)) (not (= 117 (select .cse13 2))) (not (= (select |#valid| 9) 1)) (not (= (select .cse7 5) 58)) (not (= 32 (select .cse18 1))) (not (= 30 (select |#length| 12))) (not (= ~head~0.base 0)) (not (= (select .cse14 0) 79)) (not (= (select .cse16 1) 0)) (not (= ~cleanupTimeShifts~0 4)) (not (= (select |#valid| 18) 1)) (not (= 77 (select .cse7 1)))))))) [2022-11-03 03:45:53,905 INFO L895 garLoopResultBuilder]: At program point L196-1(line 196) the Hoare annotation is: (let ((.cse17 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse1 (and .cse17 (not (= ~methaneLevelCritical~0 1)))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not (<= ~waterLevel~0 2))) (.cse5 (< ~waterLevel~0 2)) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4 (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| 1) (= |processEnvironment__wrappee__highWaterSensor_isMethaneAlarm_#t~ret7#1| ~methaneLevelCritical~0)) .cse5 .cse3) (let ((.cse9 (select |#memory_int| 9)) (.cse8 (select |#memory_int| 1)) (.cse12 (select |#memory_int| 5)) (.cse6 (select |#memory_int| 6)) (.cse10 (select |#memory_int| 8)) (.cse11 (select |#memory_int| 26)) (.cse15 (select |#memory_int| 11)) (.cse13 (select |#memory_int| 7)) (.cse18 (select |#memory_int| 10)) (.cse14 (select |#memory_int| 27)) (.cse16 (select |#memory_int| 28)) (.cse7 (select |#memory_int| 25))) (or (not (= (select .cse6 1) 102)) (not (= (select |#length| 6) 4)) (not (= (select |#valid| 23) 1)) (not (= 101 (select .cse7 2))) (not (= (select |#length| 24) 13)) (not (= (select .cse7 6) 0)) .cse0 (not (= (select .cse8 0) 48)) (not (= (select .cse9 3) 0)) (not (= |#NULL.offset| 0)) (not (= (select |#valid| 26) 1)) (not (= (select |#length| 4) 13)) (not (= (select .cse10 0) 79)) (not (= (select |#length| 27) 3)) (not (= 82 (select .cse11 1))) (not (= 31 (select |#length| 2))) (not (= (select .cse9 1) 102)) (not (= (select |#valid| 12) 1)) (not (= (select .cse9 0) 79)) (not (= (select .cse6 2) 102)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 13))) (not (= (select .cse12 0) 79)) (not (= 2 (select |#length| 11))) (not (= 58 (select .cse13 5))) (not (= (select .cse9 2) 102)) .cse2 (not (= (select .cse6 3) 0)) (not (= 30 (select |#length| 18))) (not (= (select |#length| 15) 30)) (not (= 116 (select .cse7 3))) (not (= (select .cse14 1) 75)) (not (= (select |#valid| 6) 1)) (not (= (select |#length| 8) 3)) (not (= 25 (select |#length| 23))) (not (= 104 (select .cse7 4))) (not (= 67 (select .cse11 0))) (not (= (select .cse15 0) 10)) (not (< 0 |#StackHeapBarrier|)) (not (= (select |#length| 21) 30)) (not (= (select .cse11 2) 73)) (not (= (select .cse12 1) 110)) (not (= (select |#length| 20) 25)) (not (= (select |#valid| 3) 1)) (not (= 41 (select .cse16 0))) (not (= (select |#valid| 25) 1)) (not (= ~head~0.offset 0)) (not (= (select |#valid| 20) 1)) (not (= (select |#valid| 21) 1)) (not (= (select |#valid| 11) 1)) (not (= (select |#valid| 16) 1)) (not (= (select |#valid| 28) 1)) (not (= (select .cse13 6) 0)) (not (= (select |#valid| 15) 1)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 3) 12)) (not (= 9 (select |#length| 16))) (not (= (select |#valid| 0) 0)) (not (= 109 (select .cse13 3))) .cse17 (not (= (select |#valid| 27) 1)) (not (= (select .cse8 1) 0)) (not (= 3 (select |#length| 5))) (not (= (select |#valid| 24) 1)) (not (= (select .cse13 1) 80)) (not (= (select |#valid| 19) 1)) (not (= (select .cse18 0) 41)) (not (= (select |#length| 28) 2)) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 22) 1)) (not (= 3 (select |#length| 10))) (not (= (select .cse12 2) 0)) (not (= 7 (select |#length| 25))) (not (= (select .cse7 0) 44)) (not (= 112 (select .cse13 4))) (not (= (select |#valid| 8) 1)) (not (= (select .cse11 4) 0)) (not (= (select |#valid| 4) 1)) .cse4 (not (= (select .cse14 2) 0)) (not (= |#NULL.base| 0)) (not (= 7 (select |#length| 7))) (not (= (select .cse10 2) 0)) (not (= (select |#length| 17) 21)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select .cse6 0) 79)) (not (= 21 (select |#length| 14))) (not (= (select |#valid| 14) 1)) (not (= 110 (select .cse10 1))) .cse5 (not (= (select |#valid| 13) 1)) (not (= 5 (select |#length| 26))) (and (<= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 1) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~retValue_acc~2#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~0#1|) (<= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~3#1|) (<= 0 |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_~retValue_acc~12#1|) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~0#1|) (<= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~0#1| 1)) (not (= (select |#valid| 2) 1)) (not (= (select |#length| 9) 4)) (not (= (select .cse11 3) 84)) (not (= (select |#length| 22) 9)) .cse3 (not (= (select .cse15 1) 0)) (not (= (select .cse18 2) 0)) (not (= (select |#valid| 17) 1)) (not (= 44 (select .cse13 0))) (not (= (select |#length| 19) 9)) (not (= 117 (select .cse13 2))) (not (= (select |#valid| 9) 1)) (not (= (select .cse7 5) 58)) (not (= 32 (select .cse18 1))) (not (= 30 (select |#length| 12))) (not (= ~head~0.base 0)) (not (= (select .cse14 0) 79)) (not (= (select .cse16 1) 0)) (not (= ~cleanupTimeShifts~0 4)) (not (= (select |#valid| 18) 1)) (not (= 77 (select .cse7 1)))))))) [2022-11-03 03:45:53,905 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 926 937) no Hoare annotation was computed. [2022-11-03 03:45:53,905 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 926 937) the Hoare annotation is: (let ((.cse4 (= ~methaneLevelCritical~0 0))) (let ((.cse5 (not .cse4))) (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (and .cse5 (not (= ~methaneLevelCritical~0 1)))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2 (= ~waterLevel~0 1) .cse3) (or (and (or .cse0 .cse4) (or .cse5 (not (= ~pumpRunning~0 1)))) .cse1 .cse2 (< |old(~waterLevel~0)| 2) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= |old(~waterLevel~0)| 2)) .cse3))))) [2022-11-03 03:45:53,909 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:45:53,911 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 03:45:53,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 03:45:53 BoogieIcfgContainer [2022-11-03 03:45:53,971 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 03:45:53,971 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 03:45:53,972 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 03:45:53,972 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 03:45:53,972 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:41:52" (3/4) ... [2022-11-03 03:45:53,976 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-03 03:45:53,981 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-03 03:45:53,981 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-03 03:45:53,981 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-03 03:45:53,982 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-03 03:45:53,982 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-03 03:45:53,982 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-03 03:45:53,982 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-11-03 03:45:53,982 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-03 03:45:53,989 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 78 nodes and edges [2022-11-03 03:45:53,990 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2022-11-03 03:45:53,990 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-11-03 03:45:53,991 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-03 03:45:53,991 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-03 03:45:53,992 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 03:45:53,992 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 03:45:54,018 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((unknown-#memory_int-unknown[26][3] == 84 && unknown-#memory_int-unknown[6][2] == 102) && unknown-#memory_int-unknown[11][1] == 0) && 1 == \valid[5]) && 32 == unknown-#memory_int-unknown[10][1]) && unknown-#length-unknown[3] == 12) && unknown-#memory_int-unknown[9][0] == 79) && \valid[15] == 1) && 112 == unknown-#memory_int-unknown[7][4]) && unknown-#memory_int-unknown[6][0] == 79) && 82 == unknown-#memory_int-unknown[26][1]) && retValue_acc == 1) && 3 == unknown-#length-unknown[10]) && pumpRunning == 0) && \valid[26] == 1) && 67 == unknown-#memory_int-unknown[26][0]) && unknown-#memory_int-unknown[7][1] == 80) && unknown-#memory_int-unknown[27][2] == 0) && 9 == unknown-#length-unknown[16]) && unknown-#length-unknown[8] == 3) && methAndRunningLastTime == 0) && unknown-#length-unknown[6] == 4) && unknown-#length-unknown[20] == 25) && unknown-#memory_int-unknown[27][1] == 75) && \valid[9] == 1) && unknown-#length-unknown[4] == 13) && 117 == unknown-#memory_int-unknown[7][2]) && unknown-#memory_int-unknown[5][2] == 0) && 7 == unknown-#length-unknown[7]) && unknown-#length-unknown[28] == 2) && 110 == unknown-#memory_int-unknown[8][1]) && unknown-#memory_int-unknown[6][1] == 102) && unknown-#length-unknown[15] == 30) && \valid[11] == 1) && \valid[27] == 1) && methaneLevelCritical == 0) && 58 == unknown-#memory_int-unknown[7][5]) && unknown-#memory_int-unknown[8][0] == 79) && 44 == unknown-#memory_int-unknown[7][0]) && retValue_acc == \result) && 31 == unknown-#length-unknown[2]) && head == 0) && 30 == unknown-#length-unknown[12]) && unknown-#length-unknown[24] == 13) && unknown-#length-unknown[27] == 3) && unknown-#memory_int-unknown[11][0] == 10) && 2 == unknown-#length-unknown[1]) && unknown-#memory_int-unknown[25][5] == 58) && \valid[3] == 1) && \valid[7] == 1) && 5 == unknown-#length-unknown[26]) && 77 == unknown-#memory_int-unknown[25][1]) && \valid[18] == 1) && \result == tmp) && \valid[22] == 1) && 3 == unknown-#length-unknown[5]) && 25 == unknown-#length-unknown[23]) && 2 == unknown-#length-unknown[11]) && 1 == systemActive) && unknown-#memory_int-unknown[25][6] == 0) && \valid[24] == 1) && unknown-#memory_int-unknown[26][4] == 0) && unknown-#memory_int-unknown[9][3] == 0) && \valid[12] == 1) && unknown-#length-unknown[19] == 9) && \valid[28] == 1) && unknown-#memory_int-unknown[28][1] == 0) && \valid[4] == 1) && unknown-#memory_int-unknown[9][1] == 102) && 9 == unknown-#length-unknown[13]) && unknown-#memory_int-unknown[8][2] == 0) && \valid[1] == 1) && unknown-#memory_int-unknown[7][6] == 0) && unknown-#memory_int-unknown[9][2] == 102) && \valid[20] == 1) && unknown-#memory_int-unknown[5][0] == 79) && \valid[21] == 1) && unknown-#length-unknown[9] == 4) && unknown-#length-unknown[22] == 9) && \valid[14] == 1) && unknown-#length-unknown[21] == 30) && \valid[0] == 0) && \valid[25] == 1) && unknown-#length-unknown[17] == 21) && head == 0) && 101 == unknown-#memory_int-unknown[25][2]) && \valid[2] == 1) && #NULL == 0) && waterLevel == 1) && unknown-#memory_int-unknown[10][2] == 0) && unknown-#memory_int-unknown[25][0] == 44) && unknown-#memory_int-unknown[1][0] == 48) && \valid[23] == 1) && 41 == unknown-#memory_int-unknown[28][0]) && 116 == unknown-#memory_int-unknown[25][3]) && 7 == unknown-#length-unknown[25]) && \valid[19] == 1) && 109 == unknown-#memory_int-unknown[7][3]) && unknown-#memory_int-unknown[6][3] == 0) && \valid[16] == 1) && \valid[6] == 1) && 30 == unknown-#length-unknown[18]) && unknown-#memory_int-unknown[1][1] == 0) && 104 == unknown-#memory_int-unknown[25][4]) && unknown-#memory_int-unknown[10][0] == 41) && \valid[17] == 1) && \valid[10] == 1) && unknown-#memory_int-unknown[5][1] == 110) && unknown-#memory_int-unknown[27][0] == 79) && \valid[8] == 1) && \valid[13] == 1) && unknown-#memory_int-unknown[26][2] == 73) && 0 < unknown-#StackHeapBarrier-unknown) && cleanupTimeShifts == 4) && #NULL == 0) && 21 == unknown-#length-unknown[14] [2022-11-03 03:45:54,019 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(0 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || methAndRunningLastTime == 0) || !(0 == systemActive))) && (((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && waterLevel == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive))) && (((((((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel) || !(\old(methAndRunningLastTime) == 0)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || \old(waterLevel) < 2) || !(\old(waterLevel) <= 2)) [2022-11-03 03:45:54,019 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(methAndRunningLastTime) == 0) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || \old(waterLevel) < 2) || ((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && ((pumpRunning == 0 && \old(waterLevel) == waterLevel) || (!(pumpRunning == 0) && \old(waterLevel) == waterLevel + 1)))) || !(\old(waterLevel) <= 2)) && (((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && waterLevel == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive)) [2022-11-03 03:45:54,020 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!(\old(methAndRunningLastTime) == 0) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || \old(waterLevel) < 2) || ((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) && (!(methaneLevelCritical == 0) || !(\old(pumpRunning) == 1)))) || methaneLevelCritical == 1) || waterLevel == 1) || !(\old(waterLevel) <= 2)) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || (pumpRunning == 0 && waterLevel == 1))) && (((((((((((((methAndRunningLastTime == 0 && (methaneLevelCritical == 0 || methaneLevelCritical == 1)) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && \old(waterLevel) == waterLevel) && (pumpRunning == \old(pumpRunning) || !(methaneLevelCritical == 1))) && ((pumpRunning == 0 && !(methaneLevelCritical == 0)) || (methaneLevelCritical == 0 && pumpRunning == 1))) || !(\old(methAndRunningLastTime) == 0)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || ((tmp == 1 && pumpRunning == 0) && waterLevel == 1)) || \old(waterLevel) < 2) || !(\old(waterLevel) <= 2))) && ((((((((((((!(#NULL == 0) || !(\old(methAndRunningLastTime) == 0)) || methAndRunningLastTime == 0) || !(1 == systemActive)) || !(head == 0)) || \old(waterLevel) < 2) || ((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) && (!(methaneLevelCritical == 0) || !(\old(pumpRunning) == 1)))) || !(methaneLevelCritical == 0)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(\old(waterLevel) <= 2)) || !(head == 0)) || !(cleanupTimeShifts == 4))) && (((((((((((((methAndRunningLastTime == 0 && (methaneLevelCritical == 0 || methaneLevelCritical == 1)) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && \old(waterLevel) == waterLevel) && (pumpRunning == \old(pumpRunning) || !(methaneLevelCritical == 1))) && ((pumpRunning == 0 && !(methaneLevelCritical == 0)) || (methaneLevelCritical == 0 && pumpRunning == 1))) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || \old(waterLevel) < 2) || !(\old(waterLevel) <= 2))) && (((((((((((!(\old(pumpRunning) == 0) || !(#NULL == 0)) || !(\old(methAndRunningLastTime) == 0)) || methAndRunningLastTime == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(head == 0)) || !(methaneLevelCritical == 0)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive)) [2022-11-03 03:45:54,020 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || !(waterLevel <= 2)) || waterLevel < 2) || !(methAndRunningLastTime == 0)) && (((((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || pumpRunning == 0) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || !(methAndRunningLastTime == 0)) [2022-11-03 03:45:54,021 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && 1 == systemActive) && waterLevel == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) && (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((!(unknown-#memory_int-unknown[6][1] == 102) || !(unknown-#length-unknown[6] == 4)) || !(\valid[23] == 1)) || !(101 == unknown-#memory_int-unknown[25][2])) || !(unknown-#length-unknown[24] == 13)) || !(unknown-#memory_int-unknown[25][6] == 0)) || !(\old(pumpRunning) == 0)) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(unknown-#memory_int-unknown[9][3] == 0)) || !(#NULL == 0)) || !(\valid[26] == 1)) || !(unknown-#length-unknown[4] == 13)) || !(\old(methAndRunningLastTime) == 0)) || !(unknown-#memory_int-unknown[8][0] == 79)) || !(unknown-#length-unknown[27] == 3)) || !(82 == unknown-#memory_int-unknown[26][1])) || !(31 == unknown-#length-unknown[2])) || !(unknown-#memory_int-unknown[9][1] == 102)) || !(\valid[12] == 1)) || !(unknown-#memory_int-unknown[9][0] == 79)) || !(unknown-#memory_int-unknown[6][2] == 102)) || !(2 == unknown-#length-unknown[1])) || !(9 == unknown-#length-unknown[13])) || !(\old(waterLevel) == 1)) || !(unknown-#memory_int-unknown[5][0] == 79)) || !(2 == unknown-#length-unknown[11])) || !(58 == unknown-#memory_int-unknown[7][5])) || !(unknown-#memory_int-unknown[9][2] == 102)) || !(1 == systemActive)) || !(unknown-#memory_int-unknown[6][3] == 0)) || !(30 == unknown-#length-unknown[18])) || !(unknown-#length-unknown[15] == 30)) || !(116 == unknown-#memory_int-unknown[25][3])) || !(unknown-#memory_int-unknown[27][1] == 75)) || !(\valid[6] == 1)) || !(unknown-#length-unknown[8] == 3)) || !(25 == unknown-#length-unknown[23])) || !(104 == unknown-#memory_int-unknown[25][4])) || !(67 == unknown-#memory_int-unknown[26][0])) || !(unknown-#memory_int-unknown[11][0] == 10)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(unknown-#length-unknown[21] == 30)) || !(unknown-#memory_int-unknown[26][2] == 73)) || !(unknown-#memory_int-unknown[5][1] == 110)) || !(unknown-#length-unknown[20] == 25)) || !(\valid[3] == 1)) || !(41 == unknown-#memory_int-unknown[28][0])) || !(\valid[25] == 1)) || !(head == 0)) || !(\valid[20] == 1)) || !(\valid[21] == 1)) || !(\valid[11] == 1)) || !(\valid[16] == 1)) || !(\valid[28] == 1)) || !(unknown-#memory_int-unknown[7][6] == 0)) || !(\valid[15] == 1)) || !(1 == \valid[5])) || !(unknown-#length-unknown[3] == 12)) || !(9 == unknown-#length-unknown[16])) || !(\valid[0] == 0)) || !(109 == unknown-#memory_int-unknown[7][3])) || !(methaneLevelCritical == 0)) || !(\valid[27] == 1)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(3 == unknown-#length-unknown[5])) || !(\valid[24] == 1)) || !(unknown-#memory_int-unknown[7][1] == 80)) || !(\valid[19] == 1)) || !(unknown-#memory_int-unknown[10][0] == 41)) || !(unknown-#length-unknown[28] == 2)) || !(\valid[1] == 1)) || !(\valid[22] == 1)) || !(3 == unknown-#length-unknown[10])) || !(unknown-#memory_int-unknown[5][2] == 0)) || !(7 == unknown-#length-unknown[25])) || !(unknown-#memory_int-unknown[25][0] == 44)) || !(112 == unknown-#memory_int-unknown[7][4])) || !(\valid[8] == 1)) || !(unknown-#memory_int-unknown[26][4] == 0)) || !(\valid[4] == 1)) || !(unknown-#memory_int-unknown[27][2] == 0)) || !(#NULL == 0)) || !(7 == unknown-#length-unknown[7])) || !(unknown-#memory_int-unknown[8][2] == 0)) || !(unknown-#length-unknown[17] == 21)) || !(\valid[7] == 1)) || !(\valid[10] == 1)) || !(unknown-#memory_int-unknown[6][0] == 79)) || !(21 == unknown-#length-unknown[14])) || !(\valid[14] == 1)) || !(110 == unknown-#memory_int-unknown[8][1])) || !(\valid[13] == 1)) || !(5 == unknown-#length-unknown[26])) || !(\valid[2] == 1)) || !(unknown-#length-unknown[9] == 4)) || !(unknown-#memory_int-unknown[26][3] == 84)) || !(unknown-#length-unknown[22] == 9)) || !(unknown-#memory_int-unknown[11][1] == 0)) || !(unknown-#memory_int-unknown[10][2] == 0)) || !(\valid[17] == 1)) || !(44 == unknown-#memory_int-unknown[7][0])) || !(unknown-#length-unknown[19] == 9)) || !(117 == unknown-#memory_int-unknown[7][2])) || !(\valid[9] == 1)) || !(unknown-#memory_int-unknown[25][5] == 58)) || !(32 == unknown-#memory_int-unknown[10][1])) || !(30 == unknown-#length-unknown[12])) || !(head == 0)) || !(unknown-#memory_int-unknown[27][0] == 79)) || tmp == methaneLevelCritical) || !(unknown-#memory_int-unknown[28][1] == 0)) || !(cleanupTimeShifts == 4)) || !(\valid[18] == 1)) || !(77 == unknown-#memory_int-unknown[25][1]))) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(0 == systemActive))) && ((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || \old(waterLevel) < 2) || ((((((methAndRunningLastTime == 0 && (methaneLevelCritical == 0 || methaneLevelCritical == 1)) && 1 == systemActive) && \old(waterLevel) == waterLevel) && (pumpRunning == \old(pumpRunning) || !(methaneLevelCritical == 1))) && ((pumpRunning == 0 && !(methaneLevelCritical == 0)) || (methaneLevelCritical == 0 && pumpRunning == 1))) && tmp == methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && ((((((((((((!(#NULL == 0) || !(\old(methAndRunningLastTime) == 0)) || methAndRunningLastTime == 0) || !(1 == systemActive)) || !(head == 0)) || \old(waterLevel) < 2) || ((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) && (!(methaneLevelCritical == 0) || !(\old(pumpRunning) == 1)))) || !(methaneLevelCritical == 0)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(\old(waterLevel) <= 2)) || !(head == 0)) || !(cleanupTimeShifts == 4))) && ((((((!(\old(methAndRunningLastTime) == 0) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || (((tmp == 1 && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1)) || \old(waterLevel) < 2) || ((((((methAndRunningLastTime == 0 && (methaneLevelCritical == 0 || methaneLevelCritical == 1)) && 1 == systemActive) && \old(waterLevel) == waterLevel) && (pumpRunning == \old(pumpRunning) || !(methaneLevelCritical == 1))) && ((pumpRunning == 0 && !(methaneLevelCritical == 0)) || (methaneLevelCritical == 0 && pumpRunning == 1))) && tmp == methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || tmp == methaneLevelCritical)) && (((((((((((!(\old(pumpRunning) == 0) || !(#NULL == 0)) || !(\old(methAndRunningLastTime) == 0)) || methAndRunningLastTime == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(head == 0)) || !(methaneLevelCritical == 0)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4))) && (((((((!(\old(methAndRunningLastTime) == 0) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || \old(waterLevel) < 2) || ((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) && (!(methaneLevelCritical == 0) || !(\old(pumpRunning) == 1)))) || (waterLevel == 1 && tmp == methaneLevelCritical)) || methaneLevelCritical == 1) || !(\old(waterLevel) <= 2)) [2022-11-03 03:45:54,021 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((!(unknown-#memory_int-unknown[6][1] == 102) || !(unknown-#length-unknown[6] == 4)) || !(\valid[23] == 1)) || !(101 == unknown-#memory_int-unknown[25][2])) || !(unknown-#length-unknown[24] == 13)) || !(unknown-#memory_int-unknown[25][6] == 0)) || !(\old(pumpRunning) == 0)) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(unknown-#memory_int-unknown[9][3] == 0)) || !(#NULL == 0)) || !(\valid[26] == 1)) || !(unknown-#length-unknown[4] == 13)) || !(\old(methAndRunningLastTime) == 0)) || !(unknown-#memory_int-unknown[8][0] == 79)) || !(unknown-#length-unknown[27] == 3)) || !(82 == unknown-#memory_int-unknown[26][1])) || !(31 == unknown-#length-unknown[2])) || !(unknown-#memory_int-unknown[9][1] == 102)) || !(\valid[12] == 1)) || !(unknown-#memory_int-unknown[9][0] == 79)) || !(unknown-#memory_int-unknown[6][2] == 102)) || !(2 == unknown-#length-unknown[1])) || !(9 == unknown-#length-unknown[13])) || !(\old(waterLevel) == 1)) || !(unknown-#memory_int-unknown[5][0] == 79)) || !(2 == unknown-#length-unknown[11])) || !(58 == unknown-#memory_int-unknown[7][5])) || !(unknown-#memory_int-unknown[9][2] == 102)) || !(1 == systemActive)) || !(unknown-#memory_int-unknown[6][3] == 0)) || !(30 == unknown-#length-unknown[18])) || !(unknown-#length-unknown[15] == 30)) || !(116 == unknown-#memory_int-unknown[25][3])) || !(unknown-#memory_int-unknown[27][1] == 75)) || !(\valid[6] == 1)) || !(unknown-#length-unknown[8] == 3)) || !(25 == unknown-#length-unknown[23])) || !(104 == unknown-#memory_int-unknown[25][4])) || !(67 == unknown-#memory_int-unknown[26][0])) || !(unknown-#memory_int-unknown[11][0] == 10)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(unknown-#length-unknown[21] == 30)) || !(unknown-#memory_int-unknown[26][2] == 73)) || !(unknown-#memory_int-unknown[5][1] == 110)) || !(unknown-#length-unknown[20] == 25)) || !(\valid[3] == 1)) || !(41 == unknown-#memory_int-unknown[28][0])) || !(\valid[25] == 1)) || !(head == 0)) || !(\valid[20] == 1)) || !(\valid[21] == 1)) || !(\valid[11] == 1)) || !(\valid[16] == 1)) || !(\valid[28] == 1)) || !(unknown-#memory_int-unknown[7][6] == 0)) || !(\valid[15] == 1)) || !(1 == \valid[5])) || !(unknown-#length-unknown[3] == 12)) || !(9 == unknown-#length-unknown[16])) || !(\valid[0] == 0)) || !(109 == unknown-#memory_int-unknown[7][3])) || !(methaneLevelCritical == 0)) || !(\valid[27] == 1)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(3 == unknown-#length-unknown[5])) || !(\valid[24] == 1)) || !(unknown-#memory_int-unknown[7][1] == 80)) || !(\valid[19] == 1)) || !(unknown-#memory_int-unknown[10][0] == 41)) || !(unknown-#length-unknown[28] == 2)) || !(\valid[1] == 1)) || !(\valid[22] == 1)) || !(3 == unknown-#length-unknown[10])) || !(unknown-#memory_int-unknown[5][2] == 0)) || !(7 == unknown-#length-unknown[25])) || !(unknown-#memory_int-unknown[25][0] == 44)) || !(112 == unknown-#memory_int-unknown[7][4])) || !(\valid[8] == 1)) || !(unknown-#memory_int-unknown[26][4] == 0)) || !(\valid[4] == 1)) || !(unknown-#memory_int-unknown[27][2] == 0)) || !(#NULL == 0)) || !(7 == unknown-#length-unknown[7])) || !(unknown-#memory_int-unknown[8][2] == 0)) || !(unknown-#length-unknown[17] == 21)) || !(\valid[7] == 1)) || !(\valid[10] == 1)) || !(unknown-#memory_int-unknown[6][0] == 79)) || !(21 == unknown-#length-unknown[14])) || !(\valid[14] == 1)) || !(110 == unknown-#memory_int-unknown[8][1])) || !(\valid[13] == 1)) || !(5 == unknown-#length-unknown[26])) || !(\valid[2] == 1)) || !(unknown-#length-unknown[9] == 4)) || !(unknown-#memory_int-unknown[26][3] == 84)) || !(unknown-#length-unknown[22] == 9)) || !(unknown-#memory_int-unknown[11][1] == 0)) || !(unknown-#memory_int-unknown[10][2] == 0)) || !(\valid[17] == 1)) || !(44 == unknown-#memory_int-unknown[7][0])) || !(unknown-#length-unknown[19] == 9)) || !(117 == unknown-#memory_int-unknown[7][2])) || !(\valid[9] == 1)) || !(unknown-#memory_int-unknown[25][5] == 58)) || !(32 == unknown-#memory_int-unknown[10][1])) || !(30 == unknown-#length-unknown[12])) || !(head == 0)) || !(unknown-#memory_int-unknown[27][0] == 79)) || tmp == methaneLevelCritical) || !(unknown-#memory_int-unknown[28][1] == 0)) || !(cleanupTimeShifts == 4)) || !(\valid[18] == 1)) || !(77 == unknown-#memory_int-unknown[25][1])) && (((((((!(\old(methAndRunningLastTime) == 0) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || ((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && \old(waterLevel) == waterLevel) && (tmp___0 == 0 || pumpRunning == tmp___0)) && tmp == methaneLevelCritical)) || \old(waterLevel) < 2) || (((tmp == 1 && pumpRunning == 0) && methAndRunningLastTime == 0) && waterLevel == 1)) || !(\old(waterLevel) <= 2)) || (((((((((methAndRunningLastTime == 0 && (methaneLevelCritical == 0 || methaneLevelCritical == 1)) && 2 <= waterLevel) && 1 == systemActive) && (!(aux-isMethaneLevelCritical()-aux == 0) || methaneLevelCritical == 0)) && \old(waterLevel) == waterLevel) && (pumpRunning == \old(pumpRunning) || !(methaneLevelCritical == 1))) && ((pumpRunning == 0 && !(methaneLevelCritical == 0)) || (methaneLevelCritical == 0 && pumpRunning == 1))) && (methaneLevelCritical == 0 || !(\result == 0))) && tmp == methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(0 == systemActive)) || (pumpRunning == 0 && methAndRunningLastTime == 0))) && (((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && waterLevel == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive))) && (((((((!(\old(methAndRunningLastTime) == 0) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || ((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && \old(waterLevel) == waterLevel) && (tmp___0 == 0 || pumpRunning == tmp___0)) && tmp == methaneLevelCritical)) || \old(waterLevel) < 2) || ((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) && (!(methaneLevelCritical == 0) || !(\old(pumpRunning) == 1)))) || (waterLevel == 1 && tmp == methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && (((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || ((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && \old(waterLevel) == waterLevel) && (tmp___0 == 0 || pumpRunning == tmp___0)) && tmp == methaneLevelCritical)) || \old(waterLevel) < 2) || !(\old(waterLevel) <= 2)) || (((((((((methAndRunningLastTime == 0 && (methaneLevelCritical == 0 || methaneLevelCritical == 1)) && 2 <= waterLevel) && 1 == systemActive) && (!(aux-isMethaneLevelCritical()-aux == 0) || methaneLevelCritical == 0)) && \old(waterLevel) == waterLevel) && (pumpRunning == \old(pumpRunning) || !(methaneLevelCritical == 1))) && ((pumpRunning == 0 && !(methaneLevelCritical == 0)) || (methaneLevelCritical == 0 && pumpRunning == 1))) && (methaneLevelCritical == 0 || !(\result == 0))) && tmp == methaneLevelCritical))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || ((tmp___0 == 0 || pumpRunning == tmp___0) && tmp == methaneLevelCritical)) [2022-11-03 03:45:54,022 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || !(methAndRunningLastTime == 0)) && ((((((!(\old(pumpRunning) == 0) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || !(waterLevel <= 2)) || ((pumpRunning == 0 && tmp == 1) && aux-isMethaneLevelCritical()-aux == methaneLevelCritical)) || waterLevel < 2) || !(methAndRunningLastTime == 0))) && ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((!(unknown-#memory_int-unknown[6][1] == 102) || !(unknown-#length-unknown[6] == 4)) || !(\valid[23] == 1)) || !(101 == unknown-#memory_int-unknown[25][2])) || !(unknown-#length-unknown[24] == 13)) || !(unknown-#memory_int-unknown[25][6] == 0)) || !(\old(pumpRunning) == 0)) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(unknown-#memory_int-unknown[9][3] == 0)) || !(#NULL == 0)) || !(\valid[26] == 1)) || !(unknown-#length-unknown[4] == 13)) || !(unknown-#memory_int-unknown[8][0] == 79)) || !(unknown-#length-unknown[27] == 3)) || !(82 == unknown-#memory_int-unknown[26][1])) || !(31 == unknown-#length-unknown[2])) || !(unknown-#memory_int-unknown[9][1] == 102)) || !(\valid[12] == 1)) || !(unknown-#memory_int-unknown[9][0] == 79)) || !(unknown-#memory_int-unknown[6][2] == 102)) || !(2 == unknown-#length-unknown[1])) || !(9 == unknown-#length-unknown[13])) || !(unknown-#memory_int-unknown[5][0] == 79)) || !(2 == unknown-#length-unknown[11])) || !(58 == unknown-#memory_int-unknown[7][5])) || !(unknown-#memory_int-unknown[9][2] == 102)) || !(1 == systemActive)) || !(unknown-#memory_int-unknown[6][3] == 0)) || !(30 == unknown-#length-unknown[18])) || !(unknown-#length-unknown[15] == 30)) || !(116 == unknown-#memory_int-unknown[25][3])) || !(unknown-#memory_int-unknown[27][1] == 75)) || !(\valid[6] == 1)) || !(unknown-#length-unknown[8] == 3)) || !(25 == unknown-#length-unknown[23])) || !(104 == unknown-#memory_int-unknown[25][4])) || !(67 == unknown-#memory_int-unknown[26][0])) || !(unknown-#memory_int-unknown[11][0] == 10)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(unknown-#length-unknown[21] == 30)) || !(unknown-#memory_int-unknown[26][2] == 73)) || !(unknown-#memory_int-unknown[5][1] == 110)) || !(unknown-#length-unknown[20] == 25)) || !(\valid[3] == 1)) || !(41 == unknown-#memory_int-unknown[28][0])) || !(\valid[25] == 1)) || !(head == 0)) || !(\valid[20] == 1)) || !(\valid[21] == 1)) || !(\valid[11] == 1)) || !(\valid[16] == 1)) || !(\valid[28] == 1)) || !(unknown-#memory_int-unknown[7][6] == 0)) || !(\valid[15] == 1)) || !(1 == \valid[5])) || !(unknown-#length-unknown[3] == 12)) || !(9 == unknown-#length-unknown[16])) || !(\valid[0] == 0)) || !(109 == unknown-#memory_int-unknown[7][3])) || !(methaneLevelCritical == 0)) || !(\valid[27] == 1)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(3 == unknown-#length-unknown[5])) || !(\valid[24] == 1)) || !(unknown-#memory_int-unknown[7][1] == 80)) || !(\valid[19] == 1)) || !(unknown-#memory_int-unknown[10][0] == 41)) || !(unknown-#length-unknown[28] == 2)) || !(\valid[1] == 1)) || !(\valid[22] == 1)) || !(3 == unknown-#length-unknown[10])) || !(unknown-#memory_int-unknown[5][2] == 0)) || !(7 == unknown-#length-unknown[25])) || !(unknown-#memory_int-unknown[25][0] == 44)) || !(112 == unknown-#memory_int-unknown[7][4])) || !(\valid[8] == 1)) || !(unknown-#memory_int-unknown[26][4] == 0)) || !(\valid[4] == 1)) || !(waterLevel <= 2)) || !(unknown-#memory_int-unknown[27][2] == 0)) || !(#NULL == 0)) || !(7 == unknown-#length-unknown[7])) || !(unknown-#memory_int-unknown[8][2] == 0)) || !(unknown-#length-unknown[17] == 21)) || !(\valid[7] == 1)) || !(\valid[10] == 1)) || !(unknown-#memory_int-unknown[6][0] == 79)) || !(21 == unknown-#length-unknown[14])) || !(\valid[14] == 1)) || !(110 == unknown-#memory_int-unknown[8][1])) || waterLevel < 2) || !(\valid[13] == 1)) || !(5 == unknown-#length-unknown[26])) || ((((((((\result <= 1 && retValue_acc == tmp___0) && \result <= 0) && 1 <= \result) && \result == tmp) && 0 <= \result) && \result == retValue_acc) && 1 <= tmp___0) && tmp___0 <= 1)) || !(\valid[2] == 1)) || !(unknown-#length-unknown[9] == 4)) || !(unknown-#memory_int-unknown[26][3] == 84)) || !(unknown-#length-unknown[22] == 9)) || !(methAndRunningLastTime == 0)) || !(unknown-#memory_int-unknown[11][1] == 0)) || !(unknown-#memory_int-unknown[10][2] == 0)) || !(\valid[17] == 1)) || !(44 == unknown-#memory_int-unknown[7][0])) || !(unknown-#length-unknown[19] == 9)) || !(117 == unknown-#memory_int-unknown[7][2])) || !(\valid[9] == 1)) || !(unknown-#memory_int-unknown[25][5] == 58)) || !(32 == unknown-#memory_int-unknown[10][1])) || !(30 == unknown-#length-unknown[12])) || !(head == 0)) || !(unknown-#memory_int-unknown[27][0] == 79)) || !(unknown-#memory_int-unknown[28][1] == 0)) || !(cleanupTimeShifts == 4)) || !(\valid[18] == 1)) || !(77 == unknown-#memory_int-unknown[25][1])) [2022-11-03 03:45:54,022 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) && ((((!(\old(methAndRunningLastTime) == 0) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || \old(waterLevel) < 2) || !(\old(waterLevel) <= 2))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive)) [2022-11-03 03:45:54,060 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dba846-b6b9-497b-8f12-4015af6755f8/bin/utaipan-7li7fVZpFI/witness.graphml [2022-11-03 03:45:54,062 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 03:45:54,063 INFO L158 Benchmark]: Toolchain (without parser) took 242782.88ms. Allocated memory was 98.6MB in the beginning and 901.8MB in the end (delta: 803.2MB). Free memory was 69.1MB in the beginning and 493.3MB in the end (delta: -424.2MB). Peak memory consumption was 378.3MB. Max. memory is 16.1GB. [2022-11-03 03:45:54,064 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 98.6MB. Free memory is still 54.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 03:45:54,064 INFO L158 Benchmark]: CACSL2BoogieTranslator took 524.78ms. Allocated memory is still 98.6MB. Free memory was 68.8MB in the beginning and 65.2MB in the end (delta: 3.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-03 03:45:54,064 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.44ms. Allocated memory is still 98.6MB. Free memory was 65.2MB in the beginning and 62.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 03:45:54,065 INFO L158 Benchmark]: Boogie Preprocessor took 64.39ms. Allocated memory is still 98.6MB. Free memory was 62.5MB in the beginning and 61.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 03:45:54,066 INFO L158 Benchmark]: RCFGBuilder took 768.49ms. Allocated memory was 98.6MB in the beginning and 140.5MB in the end (delta: 41.9MB). Free memory was 60.6MB in the beginning and 98.3MB in the end (delta: -37.6MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2022-11-03 03:45:54,066 INFO L158 Benchmark]: TraceAbstraction took 241245.33ms. Allocated memory was 140.5MB in the beginning and 901.8MB in the end (delta: 761.3MB). Free memory was 97.6MB in the beginning and 499.6MB in the end (delta: -402.0MB). Peak memory consumption was 547.0MB. Max. memory is 16.1GB. [2022-11-03 03:45:54,067 INFO L158 Benchmark]: Witness Printer took 91.00ms. Allocated memory is still 901.8MB. Free memory was 499.6MB in the beginning and 493.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-03 03:45:54,074 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 98.6MB. Free memory is still 54.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 524.78ms. Allocated memory is still 98.6MB. Free memory was 68.8MB in the beginning and 65.2MB in the end (delta: 3.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.44ms. Allocated memory is still 98.6MB. Free memory was 65.2MB in the beginning and 62.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.39ms. Allocated memory is still 98.6MB. Free memory was 62.5MB in the beginning and 61.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 768.49ms. Allocated memory was 98.6MB in the beginning and 140.5MB in the end (delta: 41.9MB). Free memory was 60.6MB in the beginning and 98.3MB in the end (delta: -37.6MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. * TraceAbstraction took 241245.33ms. Allocated memory was 140.5MB in the beginning and 901.8MB in the end (delta: 761.3MB). Free memory was 97.6MB in the beginning and 499.6MB in the end (delta: -402.0MB). Peak memory consumption was 547.0MB. Max. memory is 16.1GB. * Witness Printer took 91.00ms. Allocated memory is still 901.8MB. Free memory was 499.6MB in the beginning and 493.3MB in the end (delta: 6.3MB). 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 9 procedures, 66 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 241.1s, OverallIterations: 12, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 50.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 59.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2874 SdHoareTripleChecker+Valid, 8.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2849 mSDsluCounter, 4099 SdHoareTripleChecker+Invalid, 7.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3716 mSDsCounter, 1749 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5950 IncrementalHoareTripleChecker+Invalid, 7699 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1749 mSolverCounterUnsat, 872 mSDtfsCounter, 5950 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1473 GetRequests, 1068 SyntacticMatches, 21 SemanticMatches, 384 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13621 ImplicationChecksByTransitivity, 123.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1254occurred in iteration=11, InterpolantAutomatonStates: 180, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 12 MinimizatonAttempts, 649 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 37 LocationsWithAnnotation, 2224 PreInvPairs, 2467 NumberOfFragments, 7412 HoareAnnotationTreeSize, 2224 FomulaSimplifications, 32377 FormulaSimplificationTreeSizeReduction, 13.8s HoareSimplificationTime, 37 FomulaSimplificationsInter, 251879 FormulaSimplificationTreeSizeReductionInter, 45.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 9.7s InterpolantComputationTime, 1146 NumberOfCodeBlocks, 1146 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1514 ConstructedInterpolants, 0 QuantifiedInterpolants, 5540 SizeOfPredicates, 55 NumberOfNonLiveVariables, 2639 ConjunctsInSsa, 150 ConjunctsInUnsatCore, 21 InterpolantComputations, 8 PerfectInterpolantSequences, 992/1282 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: OVERALL_TIME: 14.5s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 5, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 45, DAG_INTERPRETER_EARLY_EXITS: 6, TOOLS_POST_APPLICATIONS: 54, TOOLS_POST_TIME: 4.2s, TOOLS_POST_CALL_APPLICATIONS: 29, TOOLS_POST_CALL_TIME: 7.3s, TOOLS_POST_RETURN_APPLICATIONS: 24, TOOLS_POST_RETURN_TIME: 1.7s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 105, TOOLS_QUANTIFIERELIM_TIME: 13.2s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.7s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 131, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 19, DOMAIN_JOIN_TIME: 0.8s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 1, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 45, DOMAIN_ISBOTTOM_TIME: 0.3s, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME: 2.8s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 2.8s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 1, CALL_SUMMARIZER_APPLICATIONS: 24, CALL_SUMMARIZER_CACHE_MISSES: 5, CALL_SUMMARIZER_OVERALL_TIME: 0.1s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.1s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 758, DAG_COMPRESSION_RETAINED_NODES: 141, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: ((((((((((((!(\old(methAndRunningLastTime) == 0) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || \old(waterLevel) < 2) || ((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) && (!(methaneLevelCritical == 0) || !(\old(pumpRunning) == 1)))) || methaneLevelCritical == 1) || waterLevel == 1) || !(\old(waterLevel) <= 2)) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || (pumpRunning == 0 && waterLevel == 1))) && (((((((((((((methAndRunningLastTime == 0 && (methaneLevelCritical == 0 || methaneLevelCritical == 1)) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && \old(waterLevel) == waterLevel) && (pumpRunning == \old(pumpRunning) || !(methaneLevelCritical == 1))) && ((pumpRunning == 0 && !(methaneLevelCritical == 0)) || (methaneLevelCritical == 0 && pumpRunning == 1))) || !(\old(methAndRunningLastTime) == 0)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || ((tmp == 1 && pumpRunning == 0) && waterLevel == 1)) || \old(waterLevel) < 2) || !(\old(waterLevel) <= 2))) && ((((((((((((!(#NULL == 0) || !(\old(methAndRunningLastTime) == 0)) || methAndRunningLastTime == 0) || !(1 == systemActive)) || !(head == 0)) || \old(waterLevel) < 2) || ((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) && (!(methaneLevelCritical == 0) || !(\old(pumpRunning) == 1)))) || !(methaneLevelCritical == 0)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(\old(waterLevel) <= 2)) || !(head == 0)) || !(cleanupTimeShifts == 4))) && (((((((((((((methAndRunningLastTime == 0 && (methaneLevelCritical == 0 || methaneLevelCritical == 1)) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && \old(waterLevel) == waterLevel) && (pumpRunning == \old(pumpRunning) || !(methaneLevelCritical == 1))) && ((pumpRunning == 0 && !(methaneLevelCritical == 0)) || (methaneLevelCritical == 0 && pumpRunning == 1))) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || \old(waterLevel) < 2) || !(\old(waterLevel) <= 2))) && (((((((((((!(\old(pumpRunning) == 0) || !(#NULL == 0)) || !(\old(methAndRunningLastTime) == 0)) || methAndRunningLastTime == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(head == 0)) || !(methaneLevelCritical == 0)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive)) - InvariantResult [Line: 289]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && splverifierCounter == 0) && !(0 == systemActive)) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && splverifierCounter == 0) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) && ((((!(\old(methAndRunningLastTime) == 0) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || \old(waterLevel) < 2) || !(\old(waterLevel) <= 2))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive)) - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 380]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((!(unknown-#memory_int-unknown[6][1] == 102) || !(unknown-#length-unknown[6] == 4)) || !(\valid[23] == 1)) || !(101 == unknown-#memory_int-unknown[25][2])) || !(unknown-#length-unknown[24] == 13)) || !(unknown-#memory_int-unknown[25][6] == 0)) || !(\old(pumpRunning) == 0)) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(unknown-#memory_int-unknown[9][3] == 0)) || !(#NULL == 0)) || !(\valid[26] == 1)) || !(unknown-#length-unknown[4] == 13)) || !(\old(methAndRunningLastTime) == 0)) || !(unknown-#memory_int-unknown[8][0] == 79)) || !(unknown-#length-unknown[27] == 3)) || !(82 == unknown-#memory_int-unknown[26][1])) || !(31 == unknown-#length-unknown[2])) || !(unknown-#memory_int-unknown[9][1] == 102)) || !(\valid[12] == 1)) || !(unknown-#memory_int-unknown[9][0] == 79)) || !(unknown-#memory_int-unknown[6][2] == 102)) || !(2 == unknown-#length-unknown[1])) || !(9 == unknown-#length-unknown[13])) || !(\old(waterLevel) == 1)) || !(unknown-#memory_int-unknown[5][0] == 79)) || !(2 == unknown-#length-unknown[11])) || !(58 == unknown-#memory_int-unknown[7][5])) || !(unknown-#memory_int-unknown[9][2] == 102)) || !(1 == systemActive)) || !(unknown-#memory_int-unknown[6][3] == 0)) || !(30 == unknown-#length-unknown[18])) || !(unknown-#length-unknown[15] == 30)) || !(116 == unknown-#memory_int-unknown[25][3])) || !(unknown-#memory_int-unknown[27][1] == 75)) || !(\valid[6] == 1)) || !(unknown-#length-unknown[8] == 3)) || !(25 == unknown-#length-unknown[23])) || !(104 == unknown-#memory_int-unknown[25][4])) || !(67 == unknown-#memory_int-unknown[26][0])) || !(unknown-#memory_int-unknown[11][0] == 10)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(unknown-#length-unknown[21] == 30)) || !(unknown-#memory_int-unknown[26][2] == 73)) || !(unknown-#memory_int-unknown[5][1] == 110)) || !(unknown-#length-unknown[20] == 25)) || !(\valid[3] == 1)) || !(41 == unknown-#memory_int-unknown[28][0])) || !(\valid[25] == 1)) || !(head == 0)) || !(\valid[20] == 1)) || !(\valid[21] == 1)) || !(\valid[11] == 1)) || !(\valid[16] == 1)) || !(\valid[28] == 1)) || !(unknown-#memory_int-unknown[7][6] == 0)) || !(\valid[15] == 1)) || !(1 == \valid[5])) || !(unknown-#length-unknown[3] == 12)) || !(9 == unknown-#length-unknown[16])) || !(\valid[0] == 0)) || !(109 == unknown-#memory_int-unknown[7][3])) || !(methaneLevelCritical == 0)) || !(\valid[27] == 1)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(3 == unknown-#length-unknown[5])) || !(\valid[24] == 1)) || !(unknown-#memory_int-unknown[7][1] == 80)) || !(\valid[19] == 1)) || !(unknown-#memory_int-unknown[10][0] == 41)) || !(unknown-#length-unknown[28] == 2)) || !(\valid[1] == 1)) || !(\valid[22] == 1)) || !(3 == unknown-#length-unknown[10])) || !(unknown-#memory_int-unknown[5][2] == 0)) || !(7 == unknown-#length-unknown[25])) || !(unknown-#memory_int-unknown[25][0] == 44)) || !(112 == unknown-#memory_int-unknown[7][4])) || !(\valid[8] == 1)) || !(unknown-#memory_int-unknown[26][4] == 0)) || !(\valid[4] == 1)) || !(unknown-#memory_int-unknown[27][2] == 0)) || !(#NULL == 0)) || !(7 == unknown-#length-unknown[7])) || !(unknown-#memory_int-unknown[8][2] == 0)) || !(unknown-#length-unknown[17] == 21)) || !(\valid[7] == 1)) || !(\valid[10] == 1)) || !(unknown-#memory_int-unknown[6][0] == 79)) || !(21 == unknown-#length-unknown[14])) || !(\valid[14] == 1)) || !(110 == unknown-#memory_int-unknown[8][1])) || !(\valid[13] == 1)) || !(5 == unknown-#length-unknown[26])) || !(\valid[2] == 1)) || !(unknown-#length-unknown[9] == 4)) || !(unknown-#memory_int-unknown[26][3] == 84)) || !(unknown-#length-unknown[22] == 9)) || !(unknown-#memory_int-unknown[11][1] == 0)) || !(unknown-#memory_int-unknown[10][2] == 0)) || !(\valid[17] == 1)) || !(44 == unknown-#memory_int-unknown[7][0])) || !(unknown-#length-unknown[19] == 9)) || !(117 == unknown-#memory_int-unknown[7][2])) || !(\valid[9] == 1)) || !(unknown-#memory_int-unknown[25][5] == 58)) || !(32 == unknown-#memory_int-unknown[10][1])) || !(30 == unknown-#length-unknown[12])) || !(head == 0)) || !(unknown-#memory_int-unknown[27][0] == 79)) || tmp == methaneLevelCritical) || !(unknown-#memory_int-unknown[28][1] == 0)) || !(cleanupTimeShifts == 4)) || !(\valid[18] == 1)) || !(77 == unknown-#memory_int-unknown[25][1])) && (((((((!(\old(methAndRunningLastTime) == 0) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || ((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && \old(waterLevel) == waterLevel) && (tmp___0 == 0 || pumpRunning == tmp___0)) && tmp == methaneLevelCritical)) || \old(waterLevel) < 2) || (((tmp == 1 && pumpRunning == 0) && methAndRunningLastTime == 0) && waterLevel == 1)) || !(\old(waterLevel) <= 2)) || (((((((((methAndRunningLastTime == 0 && (methaneLevelCritical == 0 || methaneLevelCritical == 1)) && 2 <= waterLevel) && 1 == systemActive) && (!(aux-isMethaneLevelCritical()-aux == 0) || methaneLevelCritical == 0)) && \old(waterLevel) == waterLevel) && (pumpRunning == \old(pumpRunning) || !(methaneLevelCritical == 1))) && ((pumpRunning == 0 && !(methaneLevelCritical == 0)) || (methaneLevelCritical == 0 && pumpRunning == 1))) && (methaneLevelCritical == 0 || !(\result == 0))) && tmp == methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(0 == systemActive)) || (pumpRunning == 0 && methAndRunningLastTime == 0))) && (((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && waterLevel == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive))) && (((((((!(\old(methAndRunningLastTime) == 0) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || ((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && \old(waterLevel) == waterLevel) && (tmp___0 == 0 || pumpRunning == tmp___0)) && tmp == methaneLevelCritical)) || \old(waterLevel) < 2) || ((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) && (!(methaneLevelCritical == 0) || !(\old(pumpRunning) == 1)))) || (waterLevel == 1 && tmp == methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && (((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || ((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methAndRunningLastTime == 0) && 2 <= waterLevel) && 1 == systemActive) && methaneLevelCritical == 1) && \old(waterLevel) == waterLevel) && (tmp___0 == 0 || pumpRunning == tmp___0)) && tmp == methaneLevelCritical)) || \old(waterLevel) < 2) || !(\old(waterLevel) <= 2)) || (((((((((methAndRunningLastTime == 0 && (methaneLevelCritical == 0 || methaneLevelCritical == 1)) && 2 <= waterLevel) && 1 == systemActive) && (!(aux-isMethaneLevelCritical()-aux == 0) || methaneLevelCritical == 0)) && \old(waterLevel) == waterLevel) && (pumpRunning == \old(pumpRunning) || !(methaneLevelCritical == 1))) && ((pumpRunning == 0 && !(methaneLevelCritical == 0)) || (methaneLevelCritical == 0 && pumpRunning == 1))) && (methaneLevelCritical == 0 || !(\result == 0))) && tmp == methaneLevelCritical))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || ((tmp___0 == 0 || pumpRunning == tmp___0) && tmp == methaneLevelCritical)) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: ((((((!(\old(methAndRunningLastTime) == 0) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || \old(waterLevel) < 2) || ((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && ((pumpRunning == 0 && \old(waterLevel) == waterLevel) || (!(pumpRunning == 0) && \old(waterLevel) == waterLevel + 1)))) || !(\old(waterLevel) <= 2)) && (((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && waterLevel == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive))) && (!(\old(pumpRunning) == 0) || !(0 == systemActive)) - InvariantResult [Line: 421]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(0 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || methAndRunningLastTime == 0) || !(0 == systemActive))) && (((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && methAndRunningLastTime == 0) && waterLevel == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive))) && (((((((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel) || !(\old(methAndRunningLastTime) == 0)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || \old(waterLevel) < 2) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || !(waterLevel <= 2)) || waterLevel < 2) || !(methAndRunningLastTime == 0)) && (((((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || pumpRunning == 0) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || !(methAndRunningLastTime == 0)) - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: ((((((methAndRunningLastTime == 0 && 2 == waterLevel) && (methaneLevelCritical == 0 || methaneLevelCritical == 1)) && 1 == systemActive) && splverifierCounter == 0) && ((pumpRunning == 0 && !(methaneLevelCritical == 0)) || (methaneLevelCritical == 0 && pumpRunning == 1))) || (((((pumpRunning == 0 && methAndRunningLastTime == 0) && (methaneLevelCritical == 0 || methaneLevelCritical == 1)) && 1 == systemActive) && splverifierCounter == 0) && waterLevel == 1)) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && splverifierCounter == 0) && 0 == systemActive) - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 388]: Loop Invariant Derived loop invariant: ((((((((((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && 1 == systemActive) && waterLevel == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) && (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((!(unknown-#memory_int-unknown[6][1] == 102) || !(unknown-#length-unknown[6] == 4)) || !(\valid[23] == 1)) || !(101 == unknown-#memory_int-unknown[25][2])) || !(unknown-#length-unknown[24] == 13)) || !(unknown-#memory_int-unknown[25][6] == 0)) || !(\old(pumpRunning) == 0)) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(unknown-#memory_int-unknown[9][3] == 0)) || !(#NULL == 0)) || !(\valid[26] == 1)) || !(unknown-#length-unknown[4] == 13)) || !(\old(methAndRunningLastTime) == 0)) || !(unknown-#memory_int-unknown[8][0] == 79)) || !(unknown-#length-unknown[27] == 3)) || !(82 == unknown-#memory_int-unknown[26][1])) || !(31 == unknown-#length-unknown[2])) || !(unknown-#memory_int-unknown[9][1] == 102)) || !(\valid[12] == 1)) || !(unknown-#memory_int-unknown[9][0] == 79)) || !(unknown-#memory_int-unknown[6][2] == 102)) || !(2 == unknown-#length-unknown[1])) || !(9 == unknown-#length-unknown[13])) || !(\old(waterLevel) == 1)) || !(unknown-#memory_int-unknown[5][0] == 79)) || !(2 == unknown-#length-unknown[11])) || !(58 == unknown-#memory_int-unknown[7][5])) || !(unknown-#memory_int-unknown[9][2] == 102)) || !(1 == systemActive)) || !(unknown-#memory_int-unknown[6][3] == 0)) || !(30 == unknown-#length-unknown[18])) || !(unknown-#length-unknown[15] == 30)) || !(116 == unknown-#memory_int-unknown[25][3])) || !(unknown-#memory_int-unknown[27][1] == 75)) || !(\valid[6] == 1)) || !(unknown-#length-unknown[8] == 3)) || !(25 == unknown-#length-unknown[23])) || !(104 == unknown-#memory_int-unknown[25][4])) || !(67 == unknown-#memory_int-unknown[26][0])) || !(unknown-#memory_int-unknown[11][0] == 10)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(unknown-#length-unknown[21] == 30)) || !(unknown-#memory_int-unknown[26][2] == 73)) || !(unknown-#memory_int-unknown[5][1] == 110)) || !(unknown-#length-unknown[20] == 25)) || !(\valid[3] == 1)) || !(41 == unknown-#memory_int-unknown[28][0])) || !(\valid[25] == 1)) || !(head == 0)) || !(\valid[20] == 1)) || !(\valid[21] == 1)) || !(\valid[11] == 1)) || !(\valid[16] == 1)) || !(\valid[28] == 1)) || !(unknown-#memory_int-unknown[7][6] == 0)) || !(\valid[15] == 1)) || !(1 == \valid[5])) || !(unknown-#length-unknown[3] == 12)) || !(9 == unknown-#length-unknown[16])) || !(\valid[0] == 0)) || !(109 == unknown-#memory_int-unknown[7][3])) || !(methaneLevelCritical == 0)) || !(\valid[27] == 1)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(3 == unknown-#length-unknown[5])) || !(\valid[24] == 1)) || !(unknown-#memory_int-unknown[7][1] == 80)) || !(\valid[19] == 1)) || !(unknown-#memory_int-unknown[10][0] == 41)) || !(unknown-#length-unknown[28] == 2)) || !(\valid[1] == 1)) || !(\valid[22] == 1)) || !(3 == unknown-#length-unknown[10])) || !(unknown-#memory_int-unknown[5][2] == 0)) || !(7 == unknown-#length-unknown[25])) || !(unknown-#memory_int-unknown[25][0] == 44)) || !(112 == unknown-#memory_int-unknown[7][4])) || !(\valid[8] == 1)) || !(unknown-#memory_int-unknown[26][4] == 0)) || !(\valid[4] == 1)) || !(unknown-#memory_int-unknown[27][2] == 0)) || !(#NULL == 0)) || !(7 == unknown-#length-unknown[7])) || !(unknown-#memory_int-unknown[8][2] == 0)) || !(unknown-#length-unknown[17] == 21)) || !(\valid[7] == 1)) || !(\valid[10] == 1)) || !(unknown-#memory_int-unknown[6][0] == 79)) || !(21 == unknown-#length-unknown[14])) || !(\valid[14] == 1)) || !(110 == unknown-#memory_int-unknown[8][1])) || !(\valid[13] == 1)) || !(5 == unknown-#length-unknown[26])) || !(\valid[2] == 1)) || !(unknown-#length-unknown[9] == 4)) || !(unknown-#memory_int-unknown[26][3] == 84)) || !(unknown-#length-unknown[22] == 9)) || !(unknown-#memory_int-unknown[11][1] == 0)) || !(unknown-#memory_int-unknown[10][2] == 0)) || !(\valid[17] == 1)) || !(44 == unknown-#memory_int-unknown[7][0])) || !(unknown-#length-unknown[19] == 9)) || !(117 == unknown-#memory_int-unknown[7][2])) || !(\valid[9] == 1)) || !(unknown-#memory_int-unknown[25][5] == 58)) || !(32 == unknown-#memory_int-unknown[10][1])) || !(30 == unknown-#length-unknown[12])) || !(head == 0)) || !(unknown-#memory_int-unknown[27][0] == 79)) || tmp == methaneLevelCritical) || !(unknown-#memory_int-unknown[28][1] == 0)) || !(cleanupTimeShifts == 4)) || !(\valid[18] == 1)) || !(77 == unknown-#memory_int-unknown[25][1]))) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(0 == systemActive))) && ((((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || \old(waterLevel) < 2) || ((((((methAndRunningLastTime == 0 && (methaneLevelCritical == 0 || methaneLevelCritical == 1)) && 1 == systemActive) && \old(waterLevel) == waterLevel) && (pumpRunning == \old(pumpRunning) || !(methaneLevelCritical == 1))) && ((pumpRunning == 0 && !(methaneLevelCritical == 0)) || (methaneLevelCritical == 0 && pumpRunning == 1))) && tmp == methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && ((((((((((((!(#NULL == 0) || !(\old(methAndRunningLastTime) == 0)) || methAndRunningLastTime == 0) || !(1 == systemActive)) || !(head == 0)) || \old(waterLevel) < 2) || ((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) && (!(methaneLevelCritical == 0) || !(\old(pumpRunning) == 1)))) || !(methaneLevelCritical == 0)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(\old(waterLevel) <= 2)) || !(head == 0)) || !(cleanupTimeShifts == 4))) && ((((((!(\old(methAndRunningLastTime) == 0) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || (((tmp == 1 && pumpRunning == 0) && 1 == systemActive) && waterLevel == 1)) || \old(waterLevel) < 2) || ((((((methAndRunningLastTime == 0 && (methaneLevelCritical == 0 || methaneLevelCritical == 1)) && 1 == systemActive) && \old(waterLevel) == waterLevel) && (pumpRunning == \old(pumpRunning) || !(methaneLevelCritical == 1))) && ((pumpRunning == 0 && !(methaneLevelCritical == 0)) || (methaneLevelCritical == 0 && pumpRunning == 1))) && tmp == methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 1)) || tmp == methaneLevelCritical)) && (((((((((((!(\old(pumpRunning) == 0) || !(#NULL == 0)) || !(\old(methAndRunningLastTime) == 0)) || methAndRunningLastTime == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(head == 0)) || !(methaneLevelCritical == 0)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(head == 0)) || !(cleanupTimeShifts == 4))) && (((((((!(\old(methAndRunningLastTime) == 0) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || \old(waterLevel) < 2) || ((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) && (!(methaneLevelCritical == 0) || !(\old(pumpRunning) == 1)))) || (waterLevel == 1 && tmp == methaneLevelCritical)) || methaneLevelCritical == 1) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((unknown-#memory_int-unknown[26][3] == 84 && unknown-#memory_int-unknown[6][2] == 102) && unknown-#memory_int-unknown[11][1] == 0) && 1 == \valid[5]) && 32 == unknown-#memory_int-unknown[10][1]) && unknown-#length-unknown[3] == 12) && unknown-#memory_int-unknown[9][0] == 79) && \valid[15] == 1) && 112 == unknown-#memory_int-unknown[7][4]) && unknown-#memory_int-unknown[6][0] == 79) && 82 == unknown-#memory_int-unknown[26][1]) && retValue_acc == 1) && 3 == unknown-#length-unknown[10]) && pumpRunning == 0) && \valid[26] == 1) && 67 == unknown-#memory_int-unknown[26][0]) && unknown-#memory_int-unknown[7][1] == 80) && unknown-#memory_int-unknown[27][2] == 0) && 9 == unknown-#length-unknown[16]) && unknown-#length-unknown[8] == 3) && methAndRunningLastTime == 0) && unknown-#length-unknown[6] == 4) && unknown-#length-unknown[20] == 25) && unknown-#memory_int-unknown[27][1] == 75) && \valid[9] == 1) && unknown-#length-unknown[4] == 13) && 117 == unknown-#memory_int-unknown[7][2]) && unknown-#memory_int-unknown[5][2] == 0) && 7 == unknown-#length-unknown[7]) && unknown-#length-unknown[28] == 2) && 110 == unknown-#memory_int-unknown[8][1]) && unknown-#memory_int-unknown[6][1] == 102) && unknown-#length-unknown[15] == 30) && \valid[11] == 1) && \valid[27] == 1) && methaneLevelCritical == 0) && 58 == unknown-#memory_int-unknown[7][5]) && unknown-#memory_int-unknown[8][0] == 79) && 44 == unknown-#memory_int-unknown[7][0]) && retValue_acc == \result) && 31 == unknown-#length-unknown[2]) && head == 0) && 30 == unknown-#length-unknown[12]) && unknown-#length-unknown[24] == 13) && unknown-#length-unknown[27] == 3) && unknown-#memory_int-unknown[11][0] == 10) && 2 == unknown-#length-unknown[1]) && unknown-#memory_int-unknown[25][5] == 58) && \valid[3] == 1) && \valid[7] == 1) && 5 == unknown-#length-unknown[26]) && 77 == unknown-#memory_int-unknown[25][1]) && \valid[18] == 1) && \result == tmp) && \valid[22] == 1) && 3 == unknown-#length-unknown[5]) && 25 == unknown-#length-unknown[23]) && 2 == unknown-#length-unknown[11]) && 1 == systemActive) && unknown-#memory_int-unknown[25][6] == 0) && \valid[24] == 1) && unknown-#memory_int-unknown[26][4] == 0) && unknown-#memory_int-unknown[9][3] == 0) && \valid[12] == 1) && unknown-#length-unknown[19] == 9) && \valid[28] == 1) && unknown-#memory_int-unknown[28][1] == 0) && \valid[4] == 1) && unknown-#memory_int-unknown[9][1] == 102) && 9 == unknown-#length-unknown[13]) && unknown-#memory_int-unknown[8][2] == 0) && \valid[1] == 1) && unknown-#memory_int-unknown[7][6] == 0) && unknown-#memory_int-unknown[9][2] == 102) && \valid[20] == 1) && unknown-#memory_int-unknown[5][0] == 79) && \valid[21] == 1) && unknown-#length-unknown[9] == 4) && unknown-#length-unknown[22] == 9) && \valid[14] == 1) && unknown-#length-unknown[21] == 30) && \valid[0] == 0) && \valid[25] == 1) && unknown-#length-unknown[17] == 21) && head == 0) && 101 == unknown-#memory_int-unknown[25][2]) && \valid[2] == 1) && #NULL == 0) && waterLevel == 1) && unknown-#memory_int-unknown[10][2] == 0) && unknown-#memory_int-unknown[25][0] == 44) && unknown-#memory_int-unknown[1][0] == 48) && \valid[23] == 1) && 41 == unknown-#memory_int-unknown[28][0]) && 116 == unknown-#memory_int-unknown[25][3]) && 7 == unknown-#length-unknown[25]) && \valid[19] == 1) && 109 == unknown-#memory_int-unknown[7][3]) && unknown-#memory_int-unknown[6][3] == 0) && \valid[16] == 1) && \valid[6] == 1) && 30 == unknown-#length-unknown[18]) && unknown-#memory_int-unknown[1][1] == 0) && 104 == unknown-#memory_int-unknown[25][4]) && unknown-#memory_int-unknown[10][0] == 41) && \valid[17] == 1) && \valid[10] == 1) && unknown-#memory_int-unknown[5][1] == 110) && unknown-#memory_int-unknown[27][0] == 79) && \valid[8] == 1) && \valid[13] == 1) && unknown-#memory_int-unknown[26][2] == 73) && 0 < unknown-#StackHeapBarrier-unknown) && cleanupTimeShifts == 4) && #NULL == 0) && 21 == unknown-#length-unknown[14] - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: (((((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || !(methAndRunningLastTime == 0)) && ((((((!(\old(pumpRunning) == 0) || (!(methaneLevelCritical == 0) && !(methaneLevelCritical == 1))) || !(1 == systemActive)) || !(waterLevel <= 2)) || ((pumpRunning == 0 && tmp == 1) && aux-isMethaneLevelCritical()-aux == methaneLevelCritical)) || waterLevel < 2) || !(methAndRunningLastTime == 0))) && ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((!(unknown-#memory_int-unknown[6][1] == 102) || !(unknown-#length-unknown[6] == 4)) || !(\valid[23] == 1)) || !(101 == unknown-#memory_int-unknown[25][2])) || !(unknown-#length-unknown[24] == 13)) || !(unknown-#memory_int-unknown[25][6] == 0)) || !(\old(pumpRunning) == 0)) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(unknown-#memory_int-unknown[9][3] == 0)) || !(#NULL == 0)) || !(\valid[26] == 1)) || !(unknown-#length-unknown[4] == 13)) || !(unknown-#memory_int-unknown[8][0] == 79)) || !(unknown-#length-unknown[27] == 3)) || !(82 == unknown-#memory_int-unknown[26][1])) || !(31 == unknown-#length-unknown[2])) || !(unknown-#memory_int-unknown[9][1] == 102)) || !(\valid[12] == 1)) || !(unknown-#memory_int-unknown[9][0] == 79)) || !(unknown-#memory_int-unknown[6][2] == 102)) || !(2 == unknown-#length-unknown[1])) || !(9 == unknown-#length-unknown[13])) || !(unknown-#memory_int-unknown[5][0] == 79)) || !(2 == unknown-#length-unknown[11])) || !(58 == unknown-#memory_int-unknown[7][5])) || !(unknown-#memory_int-unknown[9][2] == 102)) || !(1 == systemActive)) || !(unknown-#memory_int-unknown[6][3] == 0)) || !(30 == unknown-#length-unknown[18])) || !(unknown-#length-unknown[15] == 30)) || !(116 == unknown-#memory_int-unknown[25][3])) || !(unknown-#memory_int-unknown[27][1] == 75)) || !(\valid[6] == 1)) || !(unknown-#length-unknown[8] == 3)) || !(25 == unknown-#length-unknown[23])) || !(104 == unknown-#memory_int-unknown[25][4])) || !(67 == unknown-#memory_int-unknown[26][0])) || !(unknown-#memory_int-unknown[11][0] == 10)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(unknown-#length-unknown[21] == 30)) || !(unknown-#memory_int-unknown[26][2] == 73)) || !(unknown-#memory_int-unknown[5][1] == 110)) || !(unknown-#length-unknown[20] == 25)) || !(\valid[3] == 1)) || !(41 == unknown-#memory_int-unknown[28][0])) || !(\valid[25] == 1)) || !(head == 0)) || !(\valid[20] == 1)) || !(\valid[21] == 1)) || !(\valid[11] == 1)) || !(\valid[16] == 1)) || !(\valid[28] == 1)) || !(unknown-#memory_int-unknown[7][6] == 0)) || !(\valid[15] == 1)) || !(1 == \valid[5])) || !(unknown-#length-unknown[3] == 12)) || !(9 == unknown-#length-unknown[16])) || !(\valid[0] == 0)) || !(109 == unknown-#memory_int-unknown[7][3])) || !(methaneLevelCritical == 0)) || !(\valid[27] == 1)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(3 == unknown-#length-unknown[5])) || !(\valid[24] == 1)) || !(unknown-#memory_int-unknown[7][1] == 80)) || !(\valid[19] == 1)) || !(unknown-#memory_int-unknown[10][0] == 41)) || !(unknown-#length-unknown[28] == 2)) || !(\valid[1] == 1)) || !(\valid[22] == 1)) || !(3 == unknown-#length-unknown[10])) || !(unknown-#memory_int-unknown[5][2] == 0)) || !(7 == unknown-#length-unknown[25])) || !(unknown-#memory_int-unknown[25][0] == 44)) || !(112 == unknown-#memory_int-unknown[7][4])) || !(\valid[8] == 1)) || !(unknown-#memory_int-unknown[26][4] == 0)) || !(\valid[4] == 1)) || !(waterLevel <= 2)) || !(unknown-#memory_int-unknown[27][2] == 0)) || !(#NULL == 0)) || !(7 == unknown-#length-unknown[7])) || !(unknown-#memory_int-unknown[8][2] == 0)) || !(unknown-#length-unknown[17] == 21)) || !(\valid[7] == 1)) || !(\valid[10] == 1)) || !(unknown-#memory_int-unknown[6][0] == 79)) || !(21 == unknown-#length-unknown[14])) || !(\valid[14] == 1)) || !(110 == unknown-#memory_int-unknown[8][1])) || waterLevel < 2) || !(\valid[13] == 1)) || !(5 == unknown-#length-unknown[26])) || ((((((((\result <= 1 && retValue_acc == tmp___0) && \result <= 0) && 1 <= \result) && \result == tmp) && 0 <= \result) && \result == retValue_acc) && 1 <= tmp___0) && tmp___0 <= 1)) || !(\valid[2] == 1)) || !(unknown-#length-unknown[9] == 4)) || !(unknown-#memory_int-unknown[26][3] == 84)) || !(unknown-#length-unknown[22] == 9)) || !(methAndRunningLastTime == 0)) || !(unknown-#memory_int-unknown[11][1] == 0)) || !(unknown-#memory_int-unknown[10][2] == 0)) || !(\valid[17] == 1)) || !(44 == unknown-#memory_int-unknown[7][0])) || !(unknown-#length-unknown[19] == 9)) || !(117 == unknown-#memory_int-unknown[7][2])) || !(\valid[9] == 1)) || !(unknown-#memory_int-unknown[25][5] == 58)) || !(32 == unknown-#memory_int-unknown[10][1])) || !(30 == unknown-#length-unknown[12])) || !(head == 0)) || !(unknown-#memory_int-unknown[27][0] == 79)) || !(unknown-#memory_int-unknown[28][1] == 0)) || !(cleanupTimeShifts == 4)) || !(\valid[18] == 1)) || !(77 == unknown-#memory_int-unknown[25][1])) RESULT: Ultimate proved your program to be correct! [2022-11-03 03:45:54,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02dba846-b6b9-497b-8f12-4015af6755f8/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