./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product38.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a827f7-f2a9-44ec-a436-f25659b7cf55/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a827f7-f2a9-44ec-a436-f25659b7cf55/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a827f7-f2a9-44ec-a436-f25659b7cf55/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a827f7-f2a9-44ec-a436-f25659b7cf55/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product38.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a827f7-f2a9-44ec-a436-f25659b7cf55/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a827f7-f2a9-44ec-a436-f25659b7cf55/bin/utaipan-Q6hlc19bkW --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 68c6d60a43782147acd714b0904a144255717c2aa47fb6b6f8991672a1483369 --- 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-4e7fbc6 [2022-11-23 14:42:59,769 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:42:59,771 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:42:59,807 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:42:59,807 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:42:59,808 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:42:59,810 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:42:59,811 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:42:59,813 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:42:59,814 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:42:59,815 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:42:59,816 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:42:59,816 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:42:59,817 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:42:59,818 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:42:59,825 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:42:59,827 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:42:59,836 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:42:59,840 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:42:59,847 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:42:59,848 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:42:59,852 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:42:59,853 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:42:59,854 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:42:59,858 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:42:59,858 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:42:59,858 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:42:59,859 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:42:59,860 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:42:59,861 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:42:59,861 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:42:59,862 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:42:59,868 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:42:59,872 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:42:59,874 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:42:59,875 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:42:59,875 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:42:59,876 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:42:59,876 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:42:59,879 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:42:59,880 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:42:59,881 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a827f7-f2a9-44ec-a436-f25659b7cf55/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-23 14:42:59,926 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:42:59,926 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:42:59,929 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:42:59,930 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:42:59,931 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:42:59,931 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:42:59,931 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:42:59,931 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:42:59,932 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:42:59,932 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 14:42:59,933 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:42:59,933 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:42:59,934 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 14:42:59,934 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 14:42:59,934 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:42:59,934 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 14:42:59,935 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 14:42:59,935 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 14:42:59,936 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:42:59,936 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 14:42:59,936 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:42:59,937 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 14:42:59,937 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:42:59,938 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:42:59,938 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:42:59,938 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:42:59,938 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 14:42:59,938 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:42:59,939 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:42:59,939 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:42:59,939 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:42:59,940 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:42:59,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:42:59,940 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:42:59,940 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 14:42:59,941 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:42:59,941 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:42:59,941 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 14:42:59,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 14:42:59,942 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:42:59,942 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:42:59,942 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_39a827f7-f2a9-44ec-a436-f25659b7cf55/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a827f7-f2a9-44ec-a436-f25659b7cf55/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68c6d60a43782147acd714b0904a144255717c2aa47fb6b6f8991672a1483369 [2022-11-23 14:43:00,243 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:43:00,266 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:43:00,269 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:43:00,270 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:43:00,271 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:43:00,272 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a827f7-f2a9-44ec-a436-f25659b7cf55/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/product-lines/minepump_spec5_product38.cil.c [2022-11-23 14:43:03,568 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:43:03,831 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:43:03,831 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a827f7-f2a9-44ec-a436-f25659b7cf55/sv-benchmarks/c/product-lines/minepump_spec5_product38.cil.c [2022-11-23 14:43:03,852 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a827f7-f2a9-44ec-a436-f25659b7cf55/bin/utaipan-Q6hlc19bkW/data/14b6664b8/051aff73c5f34ee7ac9479d361ac75e0/FLAGac12bf766 [2022-11-23 14:43:03,868 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a827f7-f2a9-44ec-a436-f25659b7cf55/bin/utaipan-Q6hlc19bkW/data/14b6664b8/051aff73c5f34ee7ac9479d361ac75e0 [2022-11-23 14:43:03,871 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:43:03,872 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:43:03,874 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:43:03,874 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:43:03,881 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:43:03,881 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:43:03" (1/1) ... [2022-11-23 14:43:03,883 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6922abb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:43:03, skipping insertion in model container [2022-11-23 14:43:03,884 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:43:03" (1/1) ... [2022-11-23 14:43:03,893 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:43:03,955 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:43:04,115 WARN L237 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_39a827f7-f2a9-44ec-a436-f25659b7cf55/sv-benchmarks/c/product-lines/minepump_spec5_product38.cil.c[1605,1618] [2022-11-23 14:43:04,286 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:43:04,305 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 14:43:04,331 WARN L237 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_39a827f7-f2a9-44ec-a436-f25659b7cf55/sv-benchmarks/c/product-lines/minepump_spec5_product38.cil.c[1605,1618] [2022-11-23 14:43:04,450 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:43:04,477 INFO L208 MainTranslator]: Completed translation [2022-11-23 14:43:04,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:43:04 WrapperNode [2022-11-23 14:43:04,478 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:43:04,479 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 14:43:04,480 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 14:43:04,480 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 14:43:04,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:43:04" (1/1) ... [2022-11-23 14:43:04,514 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:43:04" (1/1) ... [2022-11-23 14:43:04,554 INFO L138 Inliner]: procedures = 56, calls = 101, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 203 [2022-11-23 14:43:04,555 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 14:43:04,556 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 14:43:04,556 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 14:43:04,556 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 14:43:04,567 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:43:04" (1/1) ... [2022-11-23 14:43:04,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:43:04" (1/1) ... [2022-11-23 14:43:04,586 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:43:04" (1/1) ... [2022-11-23 14:43:04,586 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:43:04" (1/1) ... [2022-11-23 14:43:04,591 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:43:04" (1/1) ... [2022-11-23 14:43:04,609 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:43:04" (1/1) ... [2022-11-23 14:43:04,610 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:43:04" (1/1) ... [2022-11-23 14:43:04,612 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:43:04" (1/1) ... [2022-11-23 14:43:04,614 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 14:43:04,615 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 14:43:04,615 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 14:43:04,616 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 14:43:04,617 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:43:04" (1/1) ... [2022-11-23 14:43:04,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:43:04,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a827f7-f2a9-44ec-a436-f25659b7cf55/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:43:04,661 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a827f7-f2a9-44ec-a436-f25659b7cf55/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 14:43:04,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a827f7-f2a9-44ec-a436-f25659b7cf55/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 14:43:04,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 14:43:04,722 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-23 14:43:04,723 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-23 14:43:04,723 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-23 14:43:04,723 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-23 14:43:04,723 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-23 14:43:04,723 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-23 14:43:04,724 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-11-23 14:43:04,724 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-11-23 14:43:04,724 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-23 14:43:04,724 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-23 14:43:04,724 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-11-23 14:43:04,725 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-11-23 14:43:04,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 14:43:04,725 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-23 14:43:04,725 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-23 14:43:04,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 14:43:04,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 14:43:04,839 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 14:43:04,841 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 14:43:05,134 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 14:43:05,344 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 14:43:05,344 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-23 14:43:05,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:43:05 BoogieIcfgContainer [2022-11-23 14:43:05,349 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 14:43:05,351 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 14:43:05,352 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 14:43:05,355 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 14:43:05,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:43:03" (1/3) ... [2022-11-23 14:43:05,356 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@428e0d61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:43:05, skipping insertion in model container [2022-11-23 14:43:05,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:43:04" (2/3) ... [2022-11-23 14:43:05,356 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@428e0d61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:43:05, skipping insertion in model container [2022-11-23 14:43:05,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:43:05" (3/3) ... [2022-11-23 14:43:05,358 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product38.cil.c [2022-11-23 14:43:05,390 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 14:43:05,390 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 14:43:05,473 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 14:43:05,480 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;@71af71eb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 14:43:05,481 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 14:43:05,486 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 37 states have (on average 1.4324324324324325) internal successors, (53), 45 states have internal predecessors, (53), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-23 14:43:05,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-23 14:43:05,498 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:43:05,499 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:43:05,499 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:43:05,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:43:05,509 INFO L85 PathProgramCache]: Analyzing trace with hash 840991641, now seen corresponding path program 1 times [2022-11-23 14:43:05,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:43:05,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6310343] [2022-11-23 14:43:05,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:43:05,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:43:05,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:43:05,699 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 14:43:05,700 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:43:05,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6310343] [2022-11-23 14:43:05,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6310343] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:43:05,701 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:43:05,702 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 14:43:05,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460795507] [2022-11-23 14:43:05,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:43:05,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 14:43:05,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:43:05,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 14:43:05,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 14:43:05,767 INFO L87 Difference]: Start difference. First operand has 58 states, 37 states have (on average 1.4324324324324325) internal successors, (53), 45 states have internal predecessors, (53), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 14:43:05,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:43:05,879 INFO L93 Difference]: Finished difference Result 114 states and 155 transitions. [2022-11-23 14:43:05,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 14:43:05,881 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2022-11-23 14:43:05,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:43:05,890 INFO L225 Difference]: With dead ends: 114 [2022-11-23 14:43:05,890 INFO L226 Difference]: Without dead ends: 53 [2022-11-23 14:43:05,893 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 [2022-11-23 14:43:05,896 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 14:43:05,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 57 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 14:43:05,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-11-23 14:43:05,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2022-11-23 14:43:05,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 41 states have internal predecessors, (45), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-23 14:43:05,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 68 transitions. [2022-11-23 14:43:05,951 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 68 transitions. Word has length 21 [2022-11-23 14:43:05,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:43:05,952 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 68 transitions. [2022-11-23 14:43:05,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 14:43:05,953 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions. [2022-11-23 14:43:05,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-23 14:43:05,958 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:43:05,959 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:43:05,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 14:43:05,959 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:43:05,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:43:05,960 INFO L85 PathProgramCache]: Analyzing trace with hash -24351572, now seen corresponding path program 1 times [2022-11-23 14:43:05,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:43:05,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047281319] [2022-11-23 14:43:05,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:43:05,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:43:06,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:43:06,214 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 14:43:06,214 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:43:06,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047281319] [2022-11-23 14:43:06,215 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047281319] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:43:06,215 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:43:06,215 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 14:43:06,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468069063] [2022-11-23 14:43:06,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:43:06,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 14:43:06,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:43:06,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 14:43:06,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 14:43:06,218 INFO L87 Difference]: Start difference. First operand 53 states and 68 transitions. Second operand has 6 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 14:43:06,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:43:06,415 INFO L93 Difference]: Finished difference Result 150 states and 214 transitions. [2022-11-23 14:43:06,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 14:43:06,416 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2022-11-23 14:43:06,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:43:06,419 INFO L225 Difference]: With dead ends: 150 [2022-11-23 14:43:06,419 INFO L226 Difference]: Without dead ends: 99 [2022-11-23 14:43:06,420 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-23 14:43:06,422 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 44 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 14:43:06,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 324 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 14:43:06,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2022-11-23 14:43:06,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 95. [2022-11-23 14:43:06,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 62 states have (on average 1.2580645161290323) internal successors, (78), 69 states have internal predecessors, (78), 20 states have call successors, (20), 14 states have call predecessors, (20), 12 states have return successors, (26), 18 states have call predecessors, (26), 18 states have call successors, (26) [2022-11-23 14:43:06,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 124 transitions. [2022-11-23 14:43:06,443 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 124 transitions. Word has length 24 [2022-11-23 14:43:06,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:43:06,444 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 124 transitions. [2022-11-23 14:43:06,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 14:43:06,444 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 124 transitions. [2022-11-23 14:43:06,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-23 14:43:06,446 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:43:06,446 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:43:06,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 14:43:06,446 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:43:06,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:43:06,447 INFO L85 PathProgramCache]: Analyzing trace with hash -849782081, now seen corresponding path program 1 times [2022-11-23 14:43:06,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:43:06,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467626870] [2022-11-23 14:43:06,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:43:06,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:43:06,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:43:06,907 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 14:43:06,907 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:43:06,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467626870] [2022-11-23 14:43:06,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467626870] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:43:06,908 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:43:06,908 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 14:43:06,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697533316] [2022-11-23 14:43:06,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:43:06,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 14:43:06,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:43:06,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 14:43:06,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-23 14:43:06,910 INFO L87 Difference]: Start difference. First operand 95 states and 124 transitions. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 14:43:07,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:43:07,177 INFO L93 Difference]: Finished difference Result 283 states and 375 transitions. [2022-11-23 14:43:07,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 14:43:07,178 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 32 [2022-11-23 14:43:07,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:43:07,181 INFO L225 Difference]: With dead ends: 283 [2022-11-23 14:43:07,181 INFO L226 Difference]: Without dead ends: 182 [2022-11-23 14:43:07,182 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-11-23 14:43:07,183 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 129 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-23 14:43:07,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 268 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-23 14:43:07,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2022-11-23 14:43:07,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 176. [2022-11-23 14:43:07,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 114 states have (on average 1.236842105263158) internal successors, (141), 125 states have internal predecessors, (141), 37 states have call successors, (37), 27 states have call predecessors, (37), 24 states have return successors, (53), 32 states have call predecessors, (53), 34 states have call successors, (53) [2022-11-23 14:43:07,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 231 transitions. [2022-11-23 14:43:07,219 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 231 transitions. Word has length 32 [2022-11-23 14:43:07,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:43:07,220 INFO L495 AbstractCegarLoop]: Abstraction has 176 states and 231 transitions. [2022-11-23 14:43:07,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 14:43:07,220 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 231 transitions. [2022-11-23 14:43:07,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-23 14:43:07,222 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:43:07,222 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:43:07,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 14:43:07,223 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:43:07,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:43:07,223 INFO L85 PathProgramCache]: Analyzing trace with hash -567989994, now seen corresponding path program 1 times [2022-11-23 14:43:07,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:43:07,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76000339] [2022-11-23 14:43:07,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:43:07,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:43:07,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:43:07,503 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 14:43:07,503 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:43:07,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76000339] [2022-11-23 14:43:07,504 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76000339] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:43:07,504 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:43:07,504 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-23 14:43:07,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970027626] [2022-11-23 14:43:07,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:43:07,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 14:43:07,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:43:07,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 14:43:07,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-23 14:43:07,506 INFO L87 Difference]: Start difference. First operand 176 states and 231 transitions. Second operand has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 4 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-23 14:43:08,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:43:08,101 INFO L93 Difference]: Finished difference Result 462 states and 675 transitions. [2022-11-23 14:43:08,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-23 14:43:08,101 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 4 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 35 [2022-11-23 14:43:08,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:43:08,110 INFO L225 Difference]: With dead ends: 462 [2022-11-23 14:43:08,110 INFO L226 Difference]: Without dead ends: 336 [2022-11-23 14:43:08,112 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2022-11-23 14:43:08,113 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 278 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-23 14:43:08,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [283 Valid, 252 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-23 14:43:08,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2022-11-23 14:43:08,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 268. [2022-11-23 14:43:08,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 178 states have (on average 1.247191011235955) internal successors, (222), 194 states have internal predecessors, (222), 54 states have call successors, (54), 35 states have call predecessors, (54), 35 states have return successors, (80), 51 states have call predecessors, (80), 49 states have call successors, (80) [2022-11-23 14:43:08,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 356 transitions. [2022-11-23 14:43:08,190 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 356 transitions. Word has length 35 [2022-11-23 14:43:08,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:43:08,190 INFO L495 AbstractCegarLoop]: Abstraction has 268 states and 356 transitions. [2022-11-23 14:43:08,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 4 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-23 14:43:08,191 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 356 transitions. [2022-11-23 14:43:08,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-23 14:43:08,194 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:43:08,194 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:43:08,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 14:43:08,194 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:43:08,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:43:08,195 INFO L85 PathProgramCache]: Analyzing trace with hash 314010276, now seen corresponding path program 1 times [2022-11-23 14:43:08,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:43:08,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114526681] [2022-11-23 14:43:08,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:43:08,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:43:08,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:43:08,254 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-23 14:43:08,254 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:43:08,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114526681] [2022-11-23 14:43:08,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114526681] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:43:08,255 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:43:08,255 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:43:08,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766330923] [2022-11-23 14:43:08,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:43:08,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:43:08,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:43:08,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:43:08,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:43:08,258 INFO L87 Difference]: Start difference. First operand 268 states and 356 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-11-23 14:43:08,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:43:08,321 INFO L93 Difference]: Finished difference Result 398 states and 515 transitions. [2022-11-23 14:43:08,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:43:08,323 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 50 [2022-11-23 14:43:08,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:43:08,325 INFO L225 Difference]: With dead ends: 398 [2022-11-23 14:43:08,326 INFO L226 Difference]: Without dead ends: 228 [2022-11-23 14:43:08,327 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 [2022-11-23 14:43:08,329 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 2 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 14:43:08,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 77 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 14:43:08,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2022-11-23 14:43:08,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2022-11-23 14:43:08,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 153 states have (on average 1.2549019607843137) internal successors, (192), 169 states have internal predecessors, (192), 39 states have call successors, (39), 30 states have call predecessors, (39), 35 states have return successors, (54), 41 states have call predecessors, (54), 39 states have call successors, (54) [2022-11-23 14:43:08,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 285 transitions. [2022-11-23 14:43:08,366 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 285 transitions. Word has length 50 [2022-11-23 14:43:08,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:43:08,368 INFO L495 AbstractCegarLoop]: Abstraction has 228 states and 285 transitions. [2022-11-23 14:43:08,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-11-23 14:43:08,369 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 285 transitions. [2022-11-23 14:43:08,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-23 14:43:08,379 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:43:08,380 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:43:08,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 14:43:08,380 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:43:08,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:43:08,381 INFO L85 PathProgramCache]: Analyzing trace with hash -647334797, now seen corresponding path program 1 times [2022-11-23 14:43:08,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:43:08,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119344935] [2022-11-23 14:43:08,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:43:08,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:43:08,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:43:08,503 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-23 14:43:08,503 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:43:08,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119344935] [2022-11-23 14:43:08,504 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119344935] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:43:08,504 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:43:08,504 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 14:43:08,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631386092] [2022-11-23 14:43:08,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:43:08,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 14:43:08,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:43:08,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 14:43:08,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 14:43:08,506 INFO L87 Difference]: Start difference. First operand 228 states and 285 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 3 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-11-23 14:43:08,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:43:08,587 INFO L93 Difference]: Finished difference Result 454 states and 574 transitions. [2022-11-23 14:43:08,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 14:43:08,588 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 3 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 52 [2022-11-23 14:43:08,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:43:08,590 INFO L225 Difference]: With dead ends: 454 [2022-11-23 14:43:08,591 INFO L226 Difference]: Without dead ends: 228 [2022-11-23 14:43:08,592 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 14:43:08,595 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 44 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 14:43:08,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 70 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 14:43:08,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2022-11-23 14:43:08,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2022-11-23 14:43:08,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 153 states have (on average 1.2222222222222223) internal successors, (187), 169 states have internal predecessors, (187), 39 states have call successors, (39), 30 states have call predecessors, (39), 35 states have return successors, (54), 41 states have call predecessors, (54), 39 states have call successors, (54) [2022-11-23 14:43:08,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 280 transitions. [2022-11-23 14:43:08,646 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 280 transitions. Word has length 52 [2022-11-23 14:43:08,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:43:08,651 INFO L495 AbstractCegarLoop]: Abstraction has 228 states and 280 transitions. [2022-11-23 14:43:08,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 3 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-11-23 14:43:08,652 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 280 transitions. [2022-11-23 14:43:08,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-23 14:43:08,654 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:43:08,654 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:43:08,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 14:43:08,655 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:43:08,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:43:08,655 INFO L85 PathProgramCache]: Analyzing trace with hash 175287174, now seen corresponding path program 1 times [2022-11-23 14:43:08,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:43:08,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478641710] [2022-11-23 14:43:08,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:43:08,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:43:08,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:43:08,788 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-23 14:43:08,788 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:43:08,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478641710] [2022-11-23 14:43:08,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478641710] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:43:08,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1607878274] [2022-11-23 14:43:08,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:43:08,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:43:08,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a827f7-f2a9-44ec-a436-f25659b7cf55/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:43:08,795 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a827f7-f2a9-44ec-a436-f25659b7cf55/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:43:08,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a827f7-f2a9-44ec-a436-f25659b7cf55/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 14:43:08,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:43:08,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 14:43:08,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:43:09,046 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:43:09,047 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 14:43:09,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1607878274] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:43:09,048 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 14:43:09,048 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-11-23 14:43:09,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555608677] [2022-11-23 14:43:09,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:43:09,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:43:09,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:43:09,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:43:09,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-23 14:43:09,053 INFO L87 Difference]: Start difference. First operand 228 states and 280 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-11-23 14:43:09,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:43:09,132 INFO L93 Difference]: Finished difference Result 338 states and 420 transitions. [2022-11-23 14:43:09,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:43:09,133 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 60 [2022-11-23 14:43:09,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:43:09,136 INFO L225 Difference]: With dead ends: 338 [2022-11-23 14:43:09,136 INFO L226 Difference]: Without dead ends: 218 [2022-11-23 14:43:09,137 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-23 14:43:09,138 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 26 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 14:43:09,138 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 97 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 14:43:09,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2022-11-23 14:43:09,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2022-11-23 14:43:09,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 146 states have (on average 1.1917808219178083) internal successors, (174), 161 states have internal predecessors, (174), 37 states have call successors, (37), 30 states have call predecessors, (37), 34 states have return successors, (44), 38 states have call predecessors, (44), 37 states have call successors, (44) [2022-11-23 14:43:09,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 255 transitions. [2022-11-23 14:43:09,178 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 255 transitions. Word has length 60 [2022-11-23 14:43:09,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:43:09,181 INFO L495 AbstractCegarLoop]: Abstraction has 218 states and 255 transitions. [2022-11-23 14:43:09,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-11-23 14:43:09,182 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 255 transitions. [2022-11-23 14:43:09,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-23 14:43:09,183 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:43:09,184 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:43:09,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a827f7-f2a9-44ec-a436-f25659b7cf55/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 14:43:09,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a827f7-f2a9-44ec-a436-f25659b7cf55/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-23 14:43:09,392 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:43:09,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:43:09,392 INFO L85 PathProgramCache]: Analyzing trace with hash -772429468, now seen corresponding path program 1 times [2022-11-23 14:43:09,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:43:09,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829906666] [2022-11-23 14:43:09,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:43:09,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:43:09,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:43:09,617 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-23 14:43:09,617 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:43:09,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829906666] [2022-11-23 14:43:09,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829906666] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:43:09,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1061647136] [2022-11-23 14:43:09,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:43:09,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:43:09,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a827f7-f2a9-44ec-a436-f25659b7cf55/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:43:09,631 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a827f7-f2a9-44ec-a436-f25659b7cf55/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:43:09,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a827f7-f2a9-44ec-a436-f25659b7cf55/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 14:43:09,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:43:09,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-23 14:43:09,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:43:09,886 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 14:43:09,886 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:43:10,104 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-23 14:43:10,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1061647136] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:43:10,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1320155746] [2022-11-23 14:43:10,129 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2022-11-23 14:43:10,129 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 14:43:10,133 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 14:43:10,139 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 14:43:10,140 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 14:43:14,969 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 141 for LOIs [2022-11-23 14:43:14,996 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 34 for LOIs [2022-11-23 14:43:15,366 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 53 for LOIs [2022-11-23 14:43:15,379 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 65 for LOIs [2022-11-23 14:43:15,739 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 42 for LOIs [2022-11-23 14:43:15,743 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 14:43:23,532 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '6153#(and (not (= |timeShift___utac_acc__Specification5_spec__3_~tmp___0~0#1| 0)) (= ~pumpRunning~0 |timeShift___utac_acc__Specification5_spec__3_~tmp___0~0#1|) (= ~methaneLevelCritical~0 0) (= |timeShift_getWaterLevel_~retValue_acc~5#1| |timeShift_getWaterLevel_#res#1|) (<= 0 (+ 2147483648 |old(~pumpRunning~0)|)) (= ~head~0.offset 0) (<= |old(~switchedOnBeforeTS~0)| 2147483647) (<= |old(~pumpRunning~0)| 2147483647) (= 1 ~systemActive~0) (= |timeShift_getWaterLevel_~retValue_acc~5#1| ~waterLevel~0) (= |timeShift___utac_acc__Specification5_spec__3_~tmp~1#1| |timeShift_getWaterLevel_#res#1|) (not (= |timeShift___utac_acc__Specification5_spec__3_~tmp~1#1| 2)) (<= 0 (+ |old(~switchedOnBeforeTS~0)| 2147483648)) (<= 0 (+ 2147483648 |timeShift_getWaterLevel_#res#1|)) (<= 0 (+ |timeShift___utac_acc__Specification5_spec__3_~tmp___0~0#1| 2147483648)) (<= |timeShift___utac_acc__Specification5_spec__3_~tmp___0~0#1| 2147483647) (= ~head~0.base 0) (= |#NULL.offset| 0) (<= |timeShift_getWaterLevel_~retValue_acc~5#1| 2147483647) (= ~switchedOnBeforeTS~0 0) (<= 0 |#StackHeapBarrier|) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2022-11-23 14:43:23,532 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-23 14:43:23,532 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 14:43:23,533 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 13 [2022-11-23 14:43:23,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248306148] [2022-11-23 14:43:23,533 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 14:43:23,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-23 14:43:23,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:43:23,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-23 14:43:23,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=196, Invalid=1610, Unknown=0, NotChecked=0, Total=1806 [2022-11-23 14:43:23,536 INFO L87 Difference]: Start difference. First operand 218 states and 255 transitions. Second operand has 13 states, 10 states have (on average 7.6) internal successors, (76), 11 states have internal predecessors, (76), 5 states have call successors, (17), 4 states have call predecessors, (17), 7 states have return successors, (17), 8 states have call predecessors, (17), 5 states have call successors, (17) [2022-11-23 14:43:24,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:43:24,269 INFO L93 Difference]: Finished difference Result 310 states and 375 transitions. [2022-11-23 14:43:24,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-23 14:43:24,270 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 7.6) internal successors, (76), 11 states have internal predecessors, (76), 5 states have call successors, (17), 4 states have call predecessors, (17), 7 states have return successors, (17), 8 states have call predecessors, (17), 5 states have call successors, (17) Word has length 63 [2022-11-23 14:43:24,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:43:24,272 INFO L225 Difference]: With dead ends: 310 [2022-11-23 14:43:24,272 INFO L226 Difference]: Without dead ends: 308 [2022-11-23 14:43:24,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 156 SyntacticMatches, 7 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1148 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=325, Invalid=2981, Unknown=0, NotChecked=0, Total=3306 [2022-11-23 14:43:24,276 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 150 mSDsluCounter, 585 mSDsCounter, 0 mSdLazyCounter, 485 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 694 SdHoareTripleChecker+Invalid, 578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 485 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-23 14:43:24,277 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 694 Invalid, 578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 485 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-23 14:43:24,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2022-11-23 14:43:24,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 262. [2022-11-23 14:43:24,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 173 states have (on average 1.1791907514450868) internal successors, (204), 193 states have internal predecessors, (204), 46 states have call successors, (46), 38 states have call predecessors, (46), 42 states have return successors, (57), 45 states have call predecessors, (57), 46 states have call successors, (57) [2022-11-23 14:43:24,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 307 transitions. [2022-11-23 14:43:24,318 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 307 transitions. Word has length 63 [2022-11-23 14:43:24,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:43:24,318 INFO L495 AbstractCegarLoop]: Abstraction has 262 states and 307 transitions. [2022-11-23 14:43:24,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 7.6) internal successors, (76), 11 states have internal predecessors, (76), 5 states have call successors, (17), 4 states have call predecessors, (17), 7 states have return successors, (17), 8 states have call predecessors, (17), 5 states have call successors, (17) [2022-11-23 14:43:24,319 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 307 transitions. [2022-11-23 14:43:24,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-23 14:43:24,320 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:43:24,320 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:43:24,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a827f7-f2a9-44ec-a436-f25659b7cf55/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 14:43:24,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a827f7-f2a9-44ec-a436-f25659b7cf55/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-23 14:43:24,532 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:43:24,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:43:24,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1361599813, now seen corresponding path program 1 times [2022-11-23 14:43:24,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:43:24,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082424375] [2022-11-23 14:43:24,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:43:24,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:43:24,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:43:24,780 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 33 proven. 3 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-11-23 14:43:24,781 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:43:24,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082424375] [2022-11-23 14:43:24,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082424375] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:43:24,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1157261719] [2022-11-23 14:43:24,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:43:24,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:43:24,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a827f7-f2a9-44ec-a436-f25659b7cf55/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:43:24,783 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a827f7-f2a9-44ec-a436-f25659b7cf55/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:43:24,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a827f7-f2a9-44ec-a436-f25659b7cf55/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 14:43:24,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:43:24,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-23 14:43:24,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:43:25,122 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 58 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-23 14:43:25,122 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:43:25,478 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-11-23 14:43:25,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1157261719] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:43:25,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [380276103] [2022-11-23 14:43:25,481 INFO L159 IcfgInterpreter]: Started Sifa with 37 locations of interest [2022-11-23 14:43:25,481 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 14:43:25,484 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 14:43:25,484 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 14:43:25,484 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 14:43:29,334 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 143 for LOIs [2022-11-23 14:43:29,361 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 61 for LOIs [2022-11-23 14:43:29,630 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 29 for LOIs [2022-11-23 14:43:29,633 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 27 for LOIs [2022-11-23 14:43:29,664 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 14:43:36,103 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '7616#(and (<= 0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 |timeShift___utac_acc__Specification5_spec__3_~tmp___0~0#1|) (= ~methaneLevelCritical~0 0) (<= |old(~pumpRunning~0)| 1) (= |timeShift_getWaterLevel_~retValue_acc~5#1| |timeShift_getWaterLevel_#res#1|) (= ~head~0.offset 0) (<= |old(~switchedOnBeforeTS~0)| 2147483647) (= 1 ~systemActive~0) (= |timeShift_getWaterLevel_~retValue_acc~5#1| ~waterLevel~0) (= |timeShift___utac_acc__Specification5_spec__3_~tmp~1#1| |timeShift_getWaterLevel_#res#1|) (not (= |timeShift___utac_acc__Specification5_spec__3_~tmp~1#1| 2)) (<= 0 (+ |old(~switchedOnBeforeTS~0)| 2147483648)) (= ~head~0.base 0) (= |#NULL.offset| 0) (<= |timeShift_getWaterLevel_~retValue_acc~5#1| 2147483647) (= ~switchedOnBeforeTS~0 0) (<= 0 |#StackHeapBarrier|) (= ~pumpRunning~0 1) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0) (<= 2 |timeShift_getWaterLevel_~retValue_acc~5#1|))' at error location [2022-11-23 14:43:36,104 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-23 14:43:36,104 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 14:43:36,104 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9, 9] total 20 [2022-11-23 14:43:36,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055494326] [2022-11-23 14:43:36,104 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 14:43:36,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-23 14:43:36,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:43:36,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-23 14:43:36,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=239, Invalid=1923, Unknown=0, NotChecked=0, Total=2162 [2022-11-23 14:43:36,107 INFO L87 Difference]: Start difference. First operand 262 states and 307 transitions. Second operand has 20 states, 20 states have (on average 5.0) internal successors, (100), 20 states have internal predecessors, (100), 7 states have call successors, (18), 5 states have call predecessors, (18), 7 states have return successors, (19), 7 states have call predecessors, (19), 7 states have call successors, (19) [2022-11-23 14:43:38,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:43:38,029 INFO L93 Difference]: Finished difference Result 776 states and 1003 transitions. [2022-11-23 14:43:38,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-11-23 14:43:38,030 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 5.0) internal successors, (100), 20 states have internal predecessors, (100), 7 states have call successors, (18), 5 states have call predecessors, (18), 7 states have return successors, (19), 7 states have call predecessors, (19), 7 states have call successors, (19) Word has length 80 [2022-11-23 14:43:38,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:43:38,034 INFO L225 Difference]: With dead ends: 776 [2022-11-23 14:43:38,034 INFO L226 Difference]: Without dead ends: 508 [2022-11-23 14:43:38,037 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 218 SyntacticMatches, 3 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1778 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=611, Invalid=4791, Unknown=0, NotChecked=0, Total=5402 [2022-11-23 14:43:38,040 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 464 mSDsluCounter, 399 mSDsCounter, 0 mSdLazyCounter, 1168 mSolverCounterSat, 341 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 467 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 1509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 341 IncrementalHoareTripleChecker+Valid, 1168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-23 14:43:38,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [467 Valid, 457 Invalid, 1509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [341 Valid, 1168 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-23 14:43:38,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2022-11-23 14:43:38,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 324. [2022-11-23 14:43:38,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 214 states have (on average 1.1401869158878504) internal successors, (244), 236 states have internal predecessors, (244), 54 states have call successors, (54), 49 states have call predecessors, (54), 55 states have return successors, (69), 55 states have call predecessors, (69), 54 states have call successors, (69) [2022-11-23 14:43:38,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 367 transitions. [2022-11-23 14:43:38,088 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 367 transitions. Word has length 80 [2022-11-23 14:43:38,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:43:38,089 INFO L495 AbstractCegarLoop]: Abstraction has 324 states and 367 transitions. [2022-11-23 14:43:38,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 5.0) internal successors, (100), 20 states have internal predecessors, (100), 7 states have call successors, (18), 5 states have call predecessors, (18), 7 states have return successors, (19), 7 states have call predecessors, (19), 7 states have call successors, (19) [2022-11-23 14:43:38,089 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 367 transitions. [2022-11-23 14:43:38,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-23 14:43:38,092 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:43:38,092 INFO L195 NwaCegarLoop]: trace histogram [5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:43:38,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a827f7-f2a9-44ec-a436-f25659b7cf55/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-23 14:43:38,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a827f7-f2a9-44ec-a436-f25659b7cf55/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:43:38,299 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:43:38,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:43:38,300 INFO L85 PathProgramCache]: Analyzing trace with hash -390557587, now seen corresponding path program 1 times [2022-11-23 14:43:38,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:43:38,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890426910] [2022-11-23 14:43:38,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:43:38,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:43:38,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:43:39,354 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 14 proven. 37 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-23 14:43:39,355 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:43:39,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890426910] [2022-11-23 14:43:39,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890426910] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:43:39,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1243989157] [2022-11-23 14:43:39,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:43:39,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:43:39,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a827f7-f2a9-44ec-a436-f25659b7cf55/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:43:39,357 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a827f7-f2a9-44ec-a436-f25659b7cf55/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:43:39,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a827f7-f2a9-44ec-a436-f25659b7cf55/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-23 14:43:39,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:43:39,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 38 conjunts are in the unsatisfiable core [2022-11-23 14:43:39,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:43:39,919 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 55 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-23 14:43:39,919 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:43:40,614 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 49 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-23 14:43:40,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1243989157] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:43:40,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1214637297] [2022-11-23 14:43:40,616 INFO L159 IcfgInterpreter]: Started Sifa with 37 locations of interest [2022-11-23 14:43:40,616 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 14:43:40,617 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 14:43:40,617 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 14:43:40,617 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 14:43:44,223 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 144 for LOIs [2022-11-23 14:43:44,247 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 61 for LOIs [2022-11-23 14:43:44,490 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 29 for LOIs [2022-11-23 14:43:44,493 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 27 for LOIs [2022-11-23 14:43:44,515 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 14:43:50,891 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '9991#(and (<= 0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 |timeShift___utac_acc__Specification5_spec__3_~tmp___0~0#1|) (= ~methaneLevelCritical~0 0) (<= |old(~pumpRunning~0)| 1) (= |timeShift_getWaterLevel_~retValue_acc~5#1| |timeShift_getWaterLevel_#res#1|) (= ~head~0.offset 0) (<= |old(~switchedOnBeforeTS~0)| 2147483647) (= 1 ~systemActive~0) (= |timeShift_getWaterLevel_~retValue_acc~5#1| ~waterLevel~0) (= |timeShift___utac_acc__Specification5_spec__3_~tmp~1#1| |timeShift_getWaterLevel_#res#1|) (not (= |timeShift___utac_acc__Specification5_spec__3_~tmp~1#1| 2)) (<= 0 (+ |old(~switchedOnBeforeTS~0)| 2147483648)) (= ~head~0.base 0) (= |#NULL.offset| 0) (<= |timeShift_getWaterLevel_~retValue_acc~5#1| 2147483647) (= ~switchedOnBeforeTS~0 0) (<= 0 |#StackHeapBarrier|) (= ~pumpRunning~0 1) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0) (<= 2 |timeShift_getWaterLevel_~retValue_acc~5#1|))' at error location [2022-11-23 14:43:50,891 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-23 14:43:50,891 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 14:43:50,891 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 12, 11] total 37 [2022-11-23 14:43:50,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432193470] [2022-11-23 14:43:50,892 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 14:43:50,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2022-11-23 14:43:50,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:43:50,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2022-11-23 14:43:50,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=443, Invalid=3589, Unknown=0, NotChecked=0, Total=4032 [2022-11-23 14:43:50,895 INFO L87 Difference]: Start difference. First operand 324 states and 367 transitions. Second operand has 37 states, 36 states have (on average 3.9166666666666665) internal successors, (141), 36 states have internal predecessors, (141), 17 states have call successors, (26), 8 states have call predecessors, (26), 12 states have return successors, (24), 16 states have call predecessors, (24), 16 states have call successors, (24) [2022-11-23 14:43:54,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:43:54,125 INFO L93 Difference]: Finished difference Result 795 states and 929 transitions. [2022-11-23 14:43:54,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-11-23 14:43:54,125 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 36 states have (on average 3.9166666666666665) internal successors, (141), 36 states have internal predecessors, (141), 17 states have call successors, (26), 8 states have call predecessors, (26), 12 states have return successors, (24), 16 states have call predecessors, (24), 16 states have call successors, (24) Word has length 85 [2022-11-23 14:43:54,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:43:54,126 INFO L225 Difference]: With dead ends: 795 [2022-11-23 14:43:54,126 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 14:43:54,132 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 231 SyntacticMatches, 7 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4375 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=1287, Invalid=9425, Unknown=0, NotChecked=0, Total=10712 [2022-11-23 14:43:54,132 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 1136 mSDsluCounter, 738 mSDsCounter, 0 mSdLazyCounter, 1854 mSolverCounterSat, 818 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1137 SdHoareTripleChecker+Valid, 838 SdHoareTripleChecker+Invalid, 2672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 818 IncrementalHoareTripleChecker+Valid, 1854 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-23 14:43:54,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1137 Valid, 838 Invalid, 2672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [818 Valid, 1854 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-23 14:43:54,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 14:43:54,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 14:43:54,133 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) [2022-11-23 14:43:54,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 14:43:54,134 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 85 [2022-11-23 14:43:54,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:43:54,134 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 14:43:54,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 36 states have (on average 3.9166666666666665) internal successors, (141), 36 states have internal predecessors, (141), 17 states have call successors, (26), 8 states have call predecessors, (26), 12 states have return successors, (24), 16 states have call predecessors, (24), 16 states have call successors, (24) [2022-11-23 14:43:54,135 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 14:43:54,135 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 14:43:54,137 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-23 14:43:54,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a827f7-f2a9-44ec-a436-f25659b7cf55/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-23 14:43:54,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a827f7-f2a9-44ec-a436-f25659b7cf55/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-23 14:43:54,339 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-23 14:44:01,072 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 713 719) no Hoare annotation was computed. [2022-11-23 14:44:01,072 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 713 719) the Hoare annotation is: true [2022-11-23 14:44:01,072 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 612 623) the Hoare annotation is: true [2022-11-23 14:44:01,073 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 612 623) no Hoare annotation was computed. [2022-11-23 14:44:01,073 INFO L895 garLoopResultBuilder]: At program point L766(line 766) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse5 (not (= |old(~pumpRunning~0)| 1))) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 (= ~waterLevel~0 1))) (or .cse0 .cse2 .cse3 .cse4) (or .cse5 .cse4 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (not (< |old(~waterLevel~0)| 3))) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse2 .cse4) (or .cse5 .cse3 .cse4)))) [2022-11-23 14:44:01,074 INFO L895 garLoopResultBuilder]: At program point L766-1(lines 747 771) the Hoare annotation is: (let ((.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~waterLevel~0 1)) (.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse0 (not (= |old(~pumpRunning~0)| 1))) (.cse5 (= ~pumpRunning~0 0)) (.cse4 (= 0 ~systemActive~0)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse11 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or .cse0 (and .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 2)) .cse4 (and .cse5 .cse1 .cse2)) (or (and (= 2 ~waterLevel~0) .cse6 .cse3) .cse7 (and .cse5 .cse6) .cse4 (not (< |old(~waterLevel~0)| 3))) (or .cse7 .cse8 (and .cse5 .cse1)) (let ((.cse9 (= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse10 (< 0 |old(~waterLevel~0)|))) (or .cse8 .cse0 (and .cse5 .cse9 .cse10 .cse2) (and .cse9 .cse10 .cse2 .cse3) .cse4 .cse11)) (or .cse0 (and .cse5 .cse6 .cse2) .cse4 (and .cse6 .cse2 .cse3) (not (<= |old(~waterLevel~0)| 0)) .cse11))) [2022-11-23 14:44:01,074 INFO L895 garLoopResultBuilder]: At program point L700-1(lines 700 706) the Hoare annotation is: (let ((.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~waterLevel~0 1)) (.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse0 (not (= |old(~pumpRunning~0)| 1))) (.cse5 (= ~pumpRunning~0 0)) (.cse4 (= 0 ~systemActive~0)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse11 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or .cse0 (and .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 2)) .cse4 (and .cse5 .cse1 .cse2)) (or (and (= 2 ~waterLevel~0) .cse6 .cse3) .cse7 (and .cse5 .cse6) .cse4 (not (< |old(~waterLevel~0)| 3))) (or .cse7 .cse8 (and .cse5 .cse1)) (let ((.cse9 (= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse10 (< 0 |old(~waterLevel~0)|))) (or .cse8 .cse0 (and .cse5 .cse9 .cse10 .cse2) (and .cse9 .cse10 .cse2 .cse3) .cse4 .cse11)) (or .cse0 (and .cse5 .cse6 .cse2) .cse4 (and .cse6 .cse2 .cse3) (not (<= |old(~waterLevel~0)| 0)) .cse11))) [2022-11-23 14:44:01,074 INFO L895 garLoopResultBuilder]: At program point L181(line 181) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse11 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse5 (and .cse11 (= ~pumpRunning~0 1))) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse2 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (and .cse1 .cse11)) (.cse3 (not (= |old(~pumpRunning~0)| 1))) (.cse4 (= 0 ~systemActive~0)) (.cse9 (<= 1 ~switchedOnBeforeTS~0)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse10 (not (< |old(~waterLevel~0)| 3)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 (= ~waterLevel~0 1))) (or .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse3 .cse7 .cse4 .cse5) (or .cse0 .cse8 .cse7 .cse4) (or .cse0 .cse4 .cse9 .cse6 .cse10) (or .cse2 .cse0 .cse8 .cse4) (or .cse3 .cse4 .cse9 .cse6 .cse10)))) [2022-11-23 14:44:01,075 INFO L895 garLoopResultBuilder]: At program point L181-1(line 181) the Hoare annotation is: (let ((.cse5 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (= ~pumpRunning~0 0)) (.cse0 (not (= |old(~pumpRunning~0)| 1))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (and (<= 1 |timeShift___utac_acc__Specification5_spec__2_#t~ret5#1|) .cse5 (= ~pumpRunning~0 1)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 2)) .cse1 .cse2) (or .cse3 (not (= |old(~waterLevel~0)| 1)) (and .cse4 (= ~waterLevel~0 1))) (or .cse3 (and .cse4 .cse5) .cse1 (not (< |old(~waterLevel~0)| 3))) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse2)))) [2022-11-23 14:44:01,075 INFO L899 garLoopResultBuilder]: For program point L693-2(lines 689 711) no Hoare annotation was computed. [2022-11-23 14:44:01,075 INFO L895 garLoopResultBuilder]: At program point L755(lines 755 763) the Hoare annotation is: (let ((.cse4 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 1))) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse1 (= 0 ~systemActive~0)) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse2 .cse3) (not (<= |old(~waterLevel~0)| 0)) .cse4) (or .cse5 .cse1 (not (< |old(~waterLevel~0)| 3))) (or .cse6 (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse2 .cse3) .cse0 .cse1 .cse4) (or .cse0 (and (= ~waterLevel~0 1) .cse2 .cse3) (not (= |old(~waterLevel~0)| 2)) .cse1) (or .cse5 .cse6))) [2022-11-23 14:44:01,076 INFO L895 garLoopResultBuilder]: At program point L751(lines 751 768) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (= ~waterLevel~0 1)) (.cse6 (not (= |old(~waterLevel~0)| 2))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (and .cse1 .cse10)) (.cse9 (not (<= |old(~waterLevel~0)| 1))) (.cse3 (not (= |old(~pumpRunning~0)| 1))) (.cse7 (= 0 ~systemActive~0)) (.cse4 (<= 1 ~switchedOnBeforeTS~0)) (.cse5 (= ~pumpRunning~0 1))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 .cse2)) (or .cse3 (and .cse2 .cse4 .cse5) .cse6 .cse7) (or .cse0 .cse8 .cse6 .cse7) (or .cse9 .cse0 .cse8 .cse7) (or .cse9 .cse3 .cse7 (and (<= ~waterLevel~0 0) (or (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) (< 0 |old(~waterLevel~0)|)) .cse10) .cse4 .cse5) (not (<= 1 |old(~switchedOnBeforeTS~0)|)))))) [2022-11-23 14:44:01,076 INFO L899 garLoopResultBuilder]: For program point L198(lines 198 208) no Hoare annotation was computed. [2022-11-23 14:44:01,076 INFO L899 garLoopResultBuilder]: For program point L194(lines 194 211) no Hoare annotation was computed. [2022-11-23 14:44:01,077 INFO L895 garLoopResultBuilder]: At program point L194-1(lines 186 214) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (= ~waterLevel~0 1)) (.cse3 (= ~pumpRunning~0 1)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~1#1| ~waterLevel~0)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (<= 1 ~switchedOnBeforeTS~0)) (.cse8 (not (= |old(~pumpRunning~0)| 1))) (.cse5 (= 0 ~systemActive~0))) (and (or .cse0 (and .cse1 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~1#1| 2) .cse2 .cse3) (and .cse4 .cse1 .cse2) .cse5 (not (< |old(~waterLevel~0)| 3))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse4 .cse6)) (or (and .cse1 .cse6 .cse7 .cse3) .cse8 (not (= |old(~waterLevel~0)| 2)) .cse5 (and .cse4 .cse1 .cse6 .cse7)) (let ((.cse10 (< 0 |old(~waterLevel~0)|))) (let ((.cse9 (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse10))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse1 (<= ~waterLevel~0 0) (or .cse9 .cse2) .cse7 .cse3) (and .cse4 .cse1 (or (and (not .cse10) .cse2) .cse9) .cse7) .cse8 .cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|))))))) [2022-11-23 14:44:01,077 INFO L895 garLoopResultBuilder]: At program point L54(line 54) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (< |old(~waterLevel~0)| 3))) (.cse3 (not (= |old(~pumpRunning~0)| 1))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (= |old(~waterLevel~0)| 1))) (or .cse3 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse2) (or .cse3 (not (= |old(~waterLevel~0)| 2)) .cse1))) [2022-11-23 14:44:01,077 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 205) no Hoare annotation was computed. [2022-11-23 14:44:01,077 INFO L895 garLoopResultBuilder]: At program point L761(line 761) the Hoare annotation is: (let ((.cse4 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 1))) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse1 (= 0 ~systemActive~0)) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse2 .cse3) (not (<= |old(~waterLevel~0)| 0)) .cse4) (or .cse5 .cse1 (not (< |old(~waterLevel~0)| 3))) (or .cse6 (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse2 .cse3) .cse0 .cse1 .cse4) (or .cse0 (and (= ~waterLevel~0 1) .cse2 .cse3) (not (= |old(~waterLevel~0)| 2)) .cse1) (or .cse5 .cse6))) [2022-11-23 14:44:01,078 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 686 712) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse11 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse5 (and .cse11 (= ~pumpRunning~0 1))) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse2 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (and .cse1 .cse11)) (.cse3 (not (= |old(~pumpRunning~0)| 1))) (.cse4 (= 0 ~systemActive~0)) (.cse9 (<= 1 ~switchedOnBeforeTS~0)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse10 (not (< |old(~waterLevel~0)| 3)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 (= ~waterLevel~0 1))) (or .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse3 .cse7 .cse4 .cse5) (or .cse0 .cse8 .cse7 .cse4) (or .cse0 .cse4 .cse9 .cse6 .cse10) (or .cse2 .cse0 .cse8 .cse4) (or .cse3 .cse4 .cse9 .cse6 .cse10)))) [2022-11-23 14:44:01,078 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 686 712) no Hoare annotation was computed. [2022-11-23 14:44:01,078 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2022-11-23 14:44:01,079 INFO L895 garLoopResultBuilder]: At program point L196(line 196) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 1)) (.cse5 (= ~pumpRunning~0 1)) (.cse4 (<= 1 ~switchedOnBeforeTS~0)) (.cse6 (not (= |old(~pumpRunning~0)| 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~1#1| ~waterLevel~0)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 .cse2)) (or (and .cse3 .cse2 .cse4 .cse5) .cse6 (not (= |old(~waterLevel~0)| 2)) .cse7 (and .cse1 .cse3 .cse2 .cse4)) (let ((.cse10 (< 0 |old(~waterLevel~0)|))) (let ((.cse8 (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse10))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse3 (<= ~waterLevel~0 0) (or .cse8 .cse9) .cse4 .cse5) (and .cse1 .cse3 (or (and (not .cse10) .cse9) .cse8) .cse4) .cse6 .cse7 (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) (or .cse0 .cse7 (and .cse1 (<= ~waterLevel~0 1) .cse3 .cse9) (not (< |old(~waterLevel~0)| 3))))) [2022-11-23 14:44:01,079 INFO L899 garLoopResultBuilder]: For program point L196-1(line 196) no Hoare annotation was computed. [2022-11-23 14:44:01,079 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 61 90) no Hoare annotation was computed. [2022-11-23 14:44:01,079 INFO L895 garLoopResultBuilder]: At program point cleanupENTRY(lines 61 90) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1))) [2022-11-23 14:44:01,080 INFO L902 garLoopResultBuilder]: At program point L86(lines 61 90) the Hoare annotation is: true [2022-11-23 14:44:01,080 INFO L899 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2022-11-23 14:44:01,080 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 79) no Hoare annotation was computed. [2022-11-23 14:44:01,080 INFO L895 garLoopResultBuilder]: At program point L75-1(lines 75 79) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1))) [2022-11-23 14:44:01,080 INFO L895 garLoopResultBuilder]: At program point L71-2(lines 71 85) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1))) [2022-11-23 14:44:01,081 INFO L895 garLoopResultBuilder]: At program point L67(line 67) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1))) [2022-11-23 14:44:01,081 INFO L899 garLoopResultBuilder]: For program point L67-1(line 67) no Hoare annotation was computed. [2022-11-23 14:44:01,081 INFO L899 garLoopResultBuilder]: For program point L927(lines 927 933) no Hoare annotation was computed. [2022-11-23 14:44:01,081 INFO L899 garLoopResultBuilder]: For program point L927-1(lines 927 933) no Hoare annotation was computed. [2022-11-23 14:44:01,081 INFO L895 garLoopResultBuilder]: At program point L151(lines 151 158) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-23 14:44:01,081 INFO L902 garLoopResultBuilder]: At program point L151-2(lines 151 158) the Hoare annotation is: true [2022-11-23 14:44:01,082 INFO L895 garLoopResultBuilder]: At program point L965(lines 916 966) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1)) [2022-11-23 14:44:01,082 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-11-23 14:44:01,082 INFO L899 garLoopResultBuilder]: For program point L937(lines 937 943) no Hoare annotation was computed. [2022-11-23 14:44:01,082 INFO L895 garLoopResultBuilder]: At program point L937-1(lines 937 943) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (< ~waterLevel~0 3)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 1))) (or (and (= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3) (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse4 .cse2) (and .cse0 .cse1 (<= 1 ~switchedOnBeforeTS~0) .cse4 .cse2 .cse3))) [2022-11-23 14:44:01,083 INFO L895 garLoopResultBuilder]: At program point L962(lines 917 964) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (< ~waterLevel~0 3)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 1))) (or (and (= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3) (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse4 .cse2) (and .cse0 .cse1 (<= 1 ~switchedOnBeforeTS~0) .cse4 .cse2 .cse3))) [2022-11-23 14:44:01,083 INFO L895 garLoopResultBuilder]: At program point L929(line 929) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (< ~waterLevel~0 3)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 1))) (or (and (= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3) (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse4 .cse2) (and .cse0 .cse1 (<= 1 ~switchedOnBeforeTS~0) .cse4 .cse2 .cse3))) [2022-11-23 14:44:01,083 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-23 14:44:01,083 INFO L895 garLoopResultBuilder]: At program point L955-2(lines 947 960) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (< ~waterLevel~0 3)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 1))) (or (and (= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3) (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse4 .cse2) (and .cse0 .cse1 (<= 1 ~switchedOnBeforeTS~0) .cse4 .cse2 .cse3))) [2022-11-23 14:44:01,083 INFO L899 garLoopResultBuilder]: For program point L918(lines 917 964) no Hoare annotation was computed. [2022-11-23 14:44:01,084 INFO L895 garLoopResultBuilder]: At program point L939(line 939) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (< ~waterLevel~0 3)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 1))) (or (and (= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3) (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse4 .cse2) (and .cse0 .cse1 (<= 1 ~switchedOnBeforeTS~0) .cse4 .cse2 .cse3))) [2022-11-23 14:44:01,084 INFO L902 garLoopResultBuilder]: At program point L968(lines 907 972) the Hoare annotation is: true [2022-11-23 14:44:01,084 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 721 745) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 1))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (<= 1 ~switchedOnBeforeTS~0))) (.cse3 (= ~pumpRunning~0 1))) (and (or (not (<= ~waterLevel~0 0)) .cse0 .cse1 .cse2 .cse3) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse1 (not (< ~waterLevel~0 3))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3))) [2022-11-23 14:44:01,084 INFO L895 garLoopResultBuilder]: At program point L735(line 735) the Hoare annotation is: (let ((.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (= ~pumpRunning~0 0)) (.cse0 (not (= |old(~pumpRunning~0)| 1))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (<= 1 ~switchedOnBeforeTS~0)))) (and (or (not (<= ~waterLevel~0 0)) .cse0 .cse1 .cse2) (or .cse3 .cse4 (not (= 2 ~waterLevel~0)) .cse1) (or .cse3 (and .cse4 (= |processEnvironment__wrappee__highWaterSensor_~tmp~5#1| 0)) (not (<= ~waterLevel~0 1)) .cse1) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2022-11-23 14:44:01,085 INFO L895 garLoopResultBuilder]: At program point L729(lines 729 737) the Hoare annotation is: (let ((.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (= ~pumpRunning~0 0)) (.cse0 (not (= |old(~pumpRunning~0)| 1))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (<= 1 ~switchedOnBeforeTS~0)))) (and (or (not (<= ~waterLevel~0 0)) .cse0 .cse1 .cse2) (or .cse3 .cse4 (not (= 2 ~waterLevel~0)) .cse1) (or .cse3 (and .cse4 (= |processEnvironment__wrappee__highWaterSensor_~tmp~5#1| 0)) (not (<= ~waterLevel~0 1)) .cse1) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2022-11-23 14:44:01,085 INFO L895 garLoopResultBuilder]: At program point L725(lines 725 742) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 1))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (<= 1 ~switchedOnBeforeTS~0))) (.cse3 (= ~pumpRunning~0 1))) (and (or (not (<= ~waterLevel~0 0)) .cse0 .cse1 .cse2 .cse3) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse1 (not (< ~waterLevel~0 3))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3))) [2022-11-23 14:44:01,085 INFO L895 garLoopResultBuilder]: At program point L740(line 740) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 1))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (<= 1 ~switchedOnBeforeTS~0))) (.cse3 (= ~pumpRunning~0 1))) (and (or (not (<= ~waterLevel~0 0)) .cse0 .cse1 .cse2 .cse3) (or (not (= |old(~pumpRunning~0)| 0)) .cse1 (not (< ~waterLevel~0 3))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3))) [2022-11-23 14:44:01,085 INFO L899 garLoopResultBuilder]: For program point L740-1(lines 721 745) no Hoare annotation was computed. [2022-11-23 14:44:01,086 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 721 745) no Hoare annotation was computed. [2022-11-23 14:44:01,086 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 600 611) no Hoare annotation was computed. [2022-11-23 14:44:01,086 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 600 611) the Hoare annotation is: (let ((.cse1 (not (= |old(~waterLevel~0)| 2))) (.cse4 (not (= ~pumpRunning~0 0))) (.cse0 (not (= ~pumpRunning~0 1))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or (not (<= |old(~waterLevel~0)| 1)) .cse4 .cse2 .cse3) (or .cse0 .cse2 .cse3 (not (<= 1 ~switchedOnBeforeTS~0)) (not (< |old(~waterLevel~0)| 3))))) [2022-11-23 14:44:01,086 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 799 807) no Hoare annotation was computed. [2022-11-23 14:44:01,086 INFO L902 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 799 807) the Hoare annotation is: true [2022-11-23 14:44:01,090 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:44:01,092 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 14:44:01,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:44:01 BoogieIcfgContainer [2022-11-23 14:44:01,160 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 14:44:01,161 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 14:44:01,161 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 14:44:01,161 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 14:44:01,162 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:43:05" (3/4) ... [2022-11-23 14:44:01,165 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 14:44:01,171 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-23 14:44:01,171 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-23 14:44:01,171 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-23 14:44:01,171 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-23 14:44:01,172 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-11-23 14:44:01,172 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-23 14:44:01,172 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-11-23 14:44:01,179 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2022-11-23 14:44:01,182 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-11-23 14:44:01,182 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-23 14:44:01,183 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 14:44:01,183 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 14:44:01,212 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (pumpRunning == 0 && waterLevel == 1) [2022-11-23 14:44:01,213 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 1) || !(\old(waterLevel) == 2)) || 0 == systemActive) || ((1 <= aux-isPumpRunning()-aux && \old(waterLevel) == waterLevel) && pumpRunning == 1)) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (pumpRunning == 0 && waterLevel == 1))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) < 3))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= aux-isPumpRunning()-aux && \old(waterLevel) == waterLevel) && pumpRunning == 1)) [2022-11-23 14:44:01,214 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 1) || ((waterLevel == 1 && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || !(\old(waterLevel) == 2)) || 0 == systemActive) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS)) && ((((((2 == waterLevel && \old(waterLevel) == waterLevel) && pumpRunning == 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) < 3))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (pumpRunning == 0 && waterLevel == 1))) && (((((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 1)) || (((pumpRunning == 0 && \old(waterLevel) == waterLevel + 1) && 0 < \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || (((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(pumpRunning) == 1) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || ((\old(waterLevel) == waterLevel && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS))) [2022-11-23 14:44:01,216 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || (((tmp == waterLevel && tmp == 2) && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || ((pumpRunning == 0 && tmp == waterLevel) && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) < 3)) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (pumpRunning == 0 && waterLevel == 1))) && (((((((tmp == waterLevel && waterLevel == 1) && 1 <= switchedOnBeforeTS) && pumpRunning == 1) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) == 2)) || 0 == systemActive) || (((pumpRunning == 0 && tmp == waterLevel) && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && (((((!(\old(waterLevel) <= 1) || ((((tmp == waterLevel && waterLevel <= 0) && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || \old(waterLevel) == waterLevel)) && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || (((pumpRunning == 0 && tmp == waterLevel) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && 1 <= switchedOnBeforeTS)) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) [2022-11-23 14:44:01,216 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (pumpRunning == 0 && waterLevel == 1)) && (((!(\old(pumpRunning) == 1) || ((waterLevel == 1 && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || !(\old(waterLevel) == 2)) || 0 == systemActive)) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) == 2)) || 0 == systemActive)) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || 0 == systemActive)) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || (((waterLevel <= 0 && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || \old(waterLevel) == waterLevel)) && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || !(1 <= \old(switchedOnBeforeTS))) [2022-11-23 14:44:01,217 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) < 3)) && (!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1))) && (((!(\old(pumpRunning) == 1) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) || !(\old(waterLevel) < 3))) && ((!(\old(pumpRunning) == 1) || !(\old(waterLevel) == 2)) || 0 == systemActive) [2022-11-23 14:44:01,217 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 1) || ((waterLevel == 1 && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || !(\old(waterLevel) == 2)) || 0 == systemActive) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS)) && ((((((2 == waterLevel && \old(waterLevel) == waterLevel) && pumpRunning == 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) < 3))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (pumpRunning == 0 && waterLevel == 1))) && (((((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 1)) || (((pumpRunning == 0 && \old(waterLevel) == waterLevel + 1) && 0 < \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || (((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(pumpRunning) == 1) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || ((\old(waterLevel) == waterLevel && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS))) [2022-11-23 14:44:01,217 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(waterLevel <= 0) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) || pumpRunning == 1) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive) || !(waterLevel < 3))) && ((((!(waterLevel == 1) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) || pumpRunning == 1) [2022-11-23 14:44:01,218 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 1) || 0 == systemActive) || ((\old(waterLevel) == waterLevel && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) < 3))) && ((((!(\old(waterLevel) == 1) || ((\old(waterLevel) == waterLevel + 1 && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(pumpRunning) == 1) || ((waterLevel == 1 && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || !(\old(waterLevel) == 2)) || 0 == systemActive)) && (!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) [2022-11-23 14:44:01,218 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(waterLevel <= 0) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(2 == waterLevel)) || 0 == systemActive)) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && tmp == 0)) || !(waterLevel <= 1)) || 0 == systemActive)) && (((!(waterLevel == 1) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) [2022-11-23 14:44:01,255 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a827f7-f2a9-44ec-a436-f25659b7cf55/bin/utaipan-Q6hlc19bkW/witness.graphml [2022-11-23 14:44:01,257 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 14:44:01,258 INFO L158 Benchmark]: Toolchain (without parser) took 57385.53ms. Allocated memory was 197.1MB in the beginning and 641.7MB in the end (delta: 444.6MB). Free memory was 151.8MB in the beginning and 447.1MB in the end (delta: -295.3MB). Peak memory consumption was 151.6MB. Max. memory is 16.1GB. [2022-11-23 14:44:01,258 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 138.4MB. Free memory is still 77.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 14:44:01,259 INFO L158 Benchmark]: CACSL2BoogieTranslator took 604.52ms. Allocated memory is still 197.1MB. Free memory was 151.3MB in the beginning and 132.7MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-23 14:44:01,259 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.69ms. Allocated memory is still 197.1MB. Free memory was 132.7MB in the beginning and 130.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 14:44:01,260 INFO L158 Benchmark]: Boogie Preprocessor took 58.76ms. Allocated memory is still 197.1MB. Free memory was 130.6MB in the beginning and 129.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 14:44:01,260 INFO L158 Benchmark]: RCFGBuilder took 734.33ms. Allocated memory is still 197.1MB. Free memory was 129.0MB in the beginning and 160.7MB in the end (delta: -31.7MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2022-11-23 14:44:01,261 INFO L158 Benchmark]: TraceAbstraction took 55808.72ms. Allocated memory was 197.1MB in the beginning and 641.7MB in the end (delta: 444.6MB). Free memory was 159.6MB in the beginning and 453.4MB in the end (delta: -293.8MB). Peak memory consumption was 382.7MB. Max. memory is 16.1GB. [2022-11-23 14:44:01,262 INFO L158 Benchmark]: Witness Printer took 96.60ms. Allocated memory is still 641.7MB. Free memory was 453.4MB in the beginning and 447.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-23 14:44:01,265 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 138.4MB. Free memory is still 77.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 604.52ms. Allocated memory is still 197.1MB. Free memory was 151.3MB in the beginning and 132.7MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.69ms. Allocated memory is still 197.1MB. Free memory was 132.7MB in the beginning and 130.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.76ms. Allocated memory is still 197.1MB. Free memory was 130.6MB in the beginning and 129.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 734.33ms. Allocated memory is still 197.1MB. Free memory was 129.0MB in the beginning and 160.7MB in the end (delta: -31.7MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. * TraceAbstraction took 55808.72ms. Allocated memory was 197.1MB in the beginning and 641.7MB in the end (delta: 444.6MB). Free memory was 159.6MB in the beginning and 453.4MB in the end (delta: -293.8MB). Peak memory consumption was 382.7MB. Max. memory is 16.1GB. * Witness Printer took 96.60ms. Allocated memory is still 641.7MB. Free memory was 453.4MB in the beginning and 447.1MB 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 8 procedures, 58 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 55.6s, OverallIterations: 10, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2292 SdHoareTripleChecker+Valid, 3.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2273 mSDsluCounter, 3134 SdHoareTripleChecker+Invalid, 3.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2407 mSDsCounter, 1448 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4170 IncrementalHoareTripleChecker+Invalid, 5618 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1448 mSolverCounterUnsat, 727 mSDtfsCounter, 4170 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 969 GetRequests, 689 SyntacticMatches, 17 SemanticMatches, 263 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7336 ImplicationChecksByTransitivity, 24.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=324occurred in iteration=9, InterpolantAutomatonStates: 138, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 308 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 36 LocationsWithAnnotation, 1418 PreInvPairs, 1641 NumberOfFragments, 2154 HoareAnnotationTreeSize, 1418 FomulaSimplifications, 6482 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 36 FomulaSimplificationsInter, 21533 FormulaSimplificationTreeSizeReductionInter, 6.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 790 NumberOfCodeBlocks, 790 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1001 ConstructedInterpolants, 0 QuantifiedInterpolants, 2934 SizeOfPredicates, 31 NumberOfNonLiveVariables, 1382 ConjunctsInSsa, 68 ConjunctsInUnsatCore, 17 InterpolantComputations, 7 PerfectInterpolantSequences, 506/593 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 729]: Loop Invariant Derived loop invariant: (((((!(waterLevel <= 0) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(2 == waterLevel)) || 0 == systemActive)) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && tmp == 0)) || !(waterLevel <= 1)) || 0 == systemActive)) && (((!(waterLevel == 1) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) < 3)) && (!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1))) && (((!(\old(pumpRunning) == 1) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) || !(\old(waterLevel) < 3))) && ((!(\old(pumpRunning) == 1) || !(\old(waterLevel) == 2)) || 0 == systemActive) - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: (((((!(waterLevel <= 0) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) || pumpRunning == 1) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive) || !(waterLevel < 3))) && ((((!(waterLevel == 1) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) || pumpRunning == 1) - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 1) || ((waterLevel == 1 && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || !(\old(waterLevel) == 2)) || 0 == systemActive) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS)) && ((((((2 == waterLevel && \old(waterLevel) == waterLevel) && pumpRunning == 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) < 3))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (pumpRunning == 0 && waterLevel == 1))) && (((((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 1)) || (((pumpRunning == 0 && \old(waterLevel) == waterLevel + 1) && 0 < \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || (((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(pumpRunning) == 1) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || ((\old(waterLevel) == waterLevel && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: (((((2 == waterLevel && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) && pumpRunning == 1) || ((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && waterLevel < 3) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && 1 <= switchedOnBeforeTS) && waterLevel < 3) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 1) || ((waterLevel == 1 && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || !(\old(waterLevel) == 2)) || 0 == systemActive) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS)) && ((((((2 == waterLevel && \old(waterLevel) == waterLevel) && pumpRunning == 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) < 3))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (pumpRunning == 0 && waterLevel == 1))) && (((((!(\old(waterLevel) == 1) || !(\old(pumpRunning) == 1)) || (((pumpRunning == 0 && \old(waterLevel) == waterLevel + 1) && 0 < \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || (((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(pumpRunning) == 1) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || ((\old(waterLevel) == waterLevel && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 751]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (pumpRunning == 0 && waterLevel == 1)) && (((!(\old(pumpRunning) == 1) || ((waterLevel == 1 && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || !(\old(waterLevel) == 2)) || 0 == systemActive)) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) == 2)) || 0 == systemActive)) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || 0 == systemActive)) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || (((waterLevel <= 0 && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || \old(waterLevel) == waterLevel)) && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (pumpRunning == 0 && waterLevel == 1) - InvariantResult [Line: 755]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 1) || 0 == systemActive) || ((\old(waterLevel) == waterLevel && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) < 3))) && ((((!(\old(waterLevel) == 1) || ((\old(waterLevel) == waterLevel + 1 && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(pumpRunning) == 1) || ((waterLevel == 1 && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || !(\old(waterLevel) == 2)) || 0 == systemActive)) && (!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 1) || !(\old(waterLevel) == 2)) || 0 == systemActive) || ((1 <= aux-isPumpRunning()-aux && \old(waterLevel) == waterLevel) && pumpRunning == 1)) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (pumpRunning == 0 && waterLevel == 1))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) < 3))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= aux-isPumpRunning()-aux && \old(waterLevel) == waterLevel) && pumpRunning == 1)) - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || (((tmp == waterLevel && tmp == 2) && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || ((pumpRunning == 0 && tmp == waterLevel) && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) < 3)) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (pumpRunning == 0 && waterLevel == 1))) && (((((((tmp == waterLevel && waterLevel == 1) && 1 <= switchedOnBeforeTS) && pumpRunning == 1) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) == 2)) || 0 == systemActive) || (((pumpRunning == 0 && tmp == waterLevel) && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && (((((!(\old(waterLevel) <= 1) || ((((tmp == waterLevel && waterLevel <= 0) && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || \old(waterLevel) == waterLevel)) && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || (((pumpRunning == 0 && tmp == waterLevel) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && 1 <= switchedOnBeforeTS)) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: pumpRunning == 0 && waterLevel == 1 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && tmp == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: (((((2 == waterLevel && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) && pumpRunning == 1) || ((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && waterLevel < 3) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && 1 <= switchedOnBeforeTS) && waterLevel < 3) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-23 14:44:01,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39a827f7-f2a9-44ec-a436-f25659b7cf55/bin/utaipan-Q6hlc19bkW/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