./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07db669f-523d-426b-99e8-626f7fdf9f13/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07db669f-523d-426b-99e8-626f7fdf9f13/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07db669f-523d-426b-99e8-626f7fdf9f13/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07db669f-523d-426b-99e8-626f7fdf9f13/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07db669f-523d-426b-99e8-626f7fdf9f13/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07db669f-523d-426b-99e8-626f7fdf9f13/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c8d555049aaaa188526ff7f51deb0a6f51f5f04abef75f3a5212bc7583c2506a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 03:49:27,615 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:49:27,618 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:49:27,661 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:49:27,662 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:49:27,663 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:49:27,664 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:49:27,674 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:49:27,677 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:49:27,684 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:49:27,685 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:49:27,688 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:49:27,689 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:49:27,692 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:49:27,695 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:49:27,698 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:49:27,700 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:49:27,701 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:49:27,704 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:49:27,713 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:49:27,715 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:49:27,716 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:49:27,721 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:49:27,722 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:49:27,732 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:49:27,732 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:49:27,732 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:49:27,735 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:49:27,735 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:49:27,736 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:49:27,737 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:49:27,738 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:49:27,741 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:49:27,742 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:49:27,745 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:49:27,745 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:49:27,746 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:49:27,746 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:49:27,747 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:49:27,748 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:49:27,748 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:49:27,750 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07db669f-523d-426b-99e8-626f7fdf9f13/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-03 03:49:27,798 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:49:27,799 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:49:27,799 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:49:27,799 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:49:27,800 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:49:27,800 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:49:27,800 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:49:27,801 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:49:27,801 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:49:27,801 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:49:27,801 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:49:27,802 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:49:27,802 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:49:27,802 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:49:27,802 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:49:27,802 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:49:27,803 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:49:27,803 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:49:27,804 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:49:27,804 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 03:49:27,804 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:49:27,804 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 03:49:27,804 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:49:27,804 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:49:27,809 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:49:27,809 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:49:27,809 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 03:49:27,810 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:49:27,811 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:49:27,811 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:49:27,811 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:49:27,812 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:49:27,812 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:49:27,812 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:49:27,813 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:49:27,813 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:49:27,814 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:49:27,815 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:49:27,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:49:27,817 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:49:27,818 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:49:27,818 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_07db669f-523d-426b-99e8-626f7fdf9f13/bin/utaipan-7li7fVZpFI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07db669f-523d-426b-99e8-626f7fdf9f13/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8d555049aaaa188526ff7f51deb0a6f51f5f04abef75f3a5212bc7583c2506a [2022-11-03 03:49:28,174 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:49:28,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:49:28,212 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:49:28,214 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:49:28,215 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:49:28,216 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07db669f-523d-426b-99e8-626f7fdf9f13/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c [2022-11-03 03:49:28,313 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07db669f-523d-426b-99e8-626f7fdf9f13/bin/utaipan-7li7fVZpFI/data/d25a0b7d7/cfbdf6d837494ead81d36f9acfb1784e/FLAGfe9aa9569 [2022-11-03 03:49:29,003 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:49:29,003 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07db669f-523d-426b-99e8-626f7fdf9f13/sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c [2022-11-03 03:49:29,017 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07db669f-523d-426b-99e8-626f7fdf9f13/bin/utaipan-7li7fVZpFI/data/d25a0b7d7/cfbdf6d837494ead81d36f9acfb1784e/FLAGfe9aa9569 [2022-11-03 03:49:29,299 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07db669f-523d-426b-99e8-626f7fdf9f13/bin/utaipan-7li7fVZpFI/data/d25a0b7d7/cfbdf6d837494ead81d36f9acfb1784e [2022-11-03 03:49:29,302 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:49:29,304 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:49:29,310 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:49:29,310 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:49:29,315 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:49:29,316 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:49:29" (1/1) ... [2022-11-03 03:49:29,319 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63567364 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:49:29, skipping insertion in model container [2022-11-03 03:49:29,320 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:49:29" (1/1) ... [2022-11-03 03:49:29,329 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:49:29,391 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:49:29,767 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07db669f-523d-426b-99e8-626f7fdf9f13/sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c[17431,17444] [2022-11-03 03:49:29,770 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:49:29,781 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:49:29,896 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07db669f-523d-426b-99e8-626f7fdf9f13/sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c[17431,17444] [2022-11-03 03:49:29,905 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:49:29,940 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:49:29,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:49:29 WrapperNode [2022-11-03 03:49:29,941 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:49:29,943 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:49:29,943 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:49:29,943 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:49:29,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:49:29" (1/1) ... [2022-11-03 03:49:29,975 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:49:29" (1/1) ... [2022-11-03 03:49:30,003 INFO L138 Inliner]: procedures = 52, calls = 151, calls flagged for inlining = 19, calls inlined = 15, statements flattened = 195 [2022-11-03 03:49:30,003 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:49:30,004 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:49:30,004 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:49:30,004 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:49:30,016 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:49:29" (1/1) ... [2022-11-03 03:49:30,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:49:29" (1/1) ... [2022-11-03 03:49:30,019 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:49:29" (1/1) ... [2022-11-03 03:49:30,020 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:49:29" (1/1) ... [2022-11-03 03:49:30,026 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:49:29" (1/1) ... [2022-11-03 03:49:30,033 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:49:29" (1/1) ... [2022-11-03 03:49:30,050 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:49:29" (1/1) ... [2022-11-03 03:49:30,051 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:49:29" (1/1) ... [2022-11-03 03:49:30,054 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:49:30,055 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:49:30,055 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:49:30,055 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:49:30,056 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:49:29" (1/1) ... [2022-11-03 03:49:30,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:49:30,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07db669f-523d-426b-99e8-626f7fdf9f13/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:49:30,095 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07db669f-523d-426b-99e8-626f7fdf9f13/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:49:30,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07db669f-523d-426b-99e8-626f7fdf9f13/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:49:30,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 03:49:30,151 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-03 03:49:30,151 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-03 03:49:30,151 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-03 03:49:30,152 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-03 03:49:30,152 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-03 03:49:30,152 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-03 03:49:30,152 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-03 03:49:30,153 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-03 03:49:30,153 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-11-03 03:49:30,153 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-11-03 03:49:30,153 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-11-03 03:49:30,153 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-11-03 03:49:30,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 03:49:30,154 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-03 03:49:30,154 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-03 03:49:30,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:49:30,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:49:30,306 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:49:30,308 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:49:30,803 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 03:49:30,925 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 03:49:30,925 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-03 03:49:30,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:49:30 BoogieIcfgContainer [2022-11-03 03:49:30,937 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 03:49:30,940 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 03:49:30,940 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 03:49:30,952 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 03:49:30,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:49:29" (1/3) ... [2022-11-03 03:49:30,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@132ea8b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:49:30, skipping insertion in model container [2022-11-03 03:49:30,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:49:29" (2/3) ... [2022-11-03 03:49:30,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@132ea8b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:49:30, skipping insertion in model container [2022-11-03 03:49:30,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:49:30" (3/3) ... [2022-11-03 03:49:30,956 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product14.cil.c [2022-11-03 03:49:30,998 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 03:49:30,998 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 03:49:31,084 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 03:49:31,093 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;@5f782463, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 03:49:31,093 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 03:49:31,110 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 34 states have (on average 1.3823529411764706) internal successors, (47), 40 states have internal predecessors, (47), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-03 03:49:31,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-03 03:49:31,122 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:49:31,123 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:49:31,124 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:49:31,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:49:31,134 INFO L85 PathProgramCache]: Analyzing trace with hash -1567188723, now seen corresponding path program 1 times [2022-11-03 03:49:31,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:49:31,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001885805] [2022-11-03 03:49:31,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:49:31,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:49:31,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:49:31,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:49:31,437 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:49:31,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001885805] [2022-11-03 03:49:31,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001885805] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:49:31,439 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:49:31,439 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 03:49:31,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754199686] [2022-11-03 03:49:31,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:49:31,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-03 03:49:31,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:49:31,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-03 03:49:31,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 03:49:31,499 INFO L87 Difference]: Start difference. First operand has 54 states, 34 states have (on average 1.3823529411764706) internal successors, (47), 40 states have internal predecessors, (47), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 03:49:31,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:49:31,638 INFO L93 Difference]: Finished difference Result 106 states and 139 transitions. [2022-11-03 03:49:31,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-03 03:49:31,643 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2022-11-03 03:49:31,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:49:31,664 INFO L225 Difference]: With dead ends: 106 [2022-11-03 03:49:31,664 INFO L226 Difference]: Without dead ends: 49 [2022-11-03 03:49:31,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 03:49:31,677 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:49:31,679 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 51 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 03:49:31,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-11-03 03:49:31,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2022-11-03 03:49:31,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 36 states have internal predecessors, (39), 11 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-03 03:49:31,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 60 transitions. [2022-11-03 03:49:31,759 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 60 transitions. Word has length 16 [2022-11-03 03:49:31,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:49:31,760 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 60 transitions. [2022-11-03 03:49:31,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 03:49:31,761 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 60 transitions. [2022-11-03 03:49:31,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-03 03:49:31,763 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:49:31,763 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:49:31,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 03:49:31,764 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:49:31,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:49:31,766 INFO L85 PathProgramCache]: Analyzing trace with hash 157342094, now seen corresponding path program 1 times [2022-11-03 03:49:31,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:49:31,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762983212] [2022-11-03 03:49:31,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:49:31,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:49:31,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:49:31,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:49:31,970 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:49:31,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762983212] [2022-11-03 03:49:31,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762983212] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:49:31,971 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:49:31,971 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:49:31,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672221767] [2022-11-03 03:49:31,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:49:31,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:49:31,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:49:31,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:49:31,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:49:31,975 INFO L87 Difference]: Start difference. First operand 49 states and 60 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 03:49:32,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:49:32,024 INFO L93 Difference]: Finished difference Result 75 states and 91 transitions. [2022-11-03 03:49:32,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:49:32,025 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2022-11-03 03:49:32,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:49:32,026 INFO L225 Difference]: With dead ends: 75 [2022-11-03 03:49:32,026 INFO L226 Difference]: Without dead ends: 41 [2022-11-03 03:49:32,027 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:49:32,029 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 7 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 03:49:32,030 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 65 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 03:49:32,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2022-11-03 03:49:32,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2022-11-03 03:49:32,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 26 states have (on average 1.2692307692307692) internal successors, (33), 31 states have internal predecessors, (33), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-03 03:49:32,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 49 transitions. [2022-11-03 03:49:32,041 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 49 transitions. Word has length 17 [2022-11-03 03:49:32,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:49:32,041 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 49 transitions. [2022-11-03 03:49:32,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 03:49:32,042 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2022-11-03 03:49:32,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-03 03:49:32,043 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:49:32,043 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:49:32,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 03:49:32,044 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:49:32,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:49:32,045 INFO L85 PathProgramCache]: Analyzing trace with hash -1673661294, now seen corresponding path program 1 times [2022-11-03 03:49:32,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:49:32,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054938030] [2022-11-03 03:49:32,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:49:32,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:49:32,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:49:32,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:49:32,331 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:49:32,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054938030] [2022-11-03 03:49:32,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054938030] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:49:32,332 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:49:32,332 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:49:32,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132021341] [2022-11-03 03:49:32,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:49:32,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:49:32,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:49:32,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:49:32,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:49:32,335 INFO L87 Difference]: Start difference. First operand 41 states and 49 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 03:49:32,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:49:32,498 INFO L93 Difference]: Finished difference Result 80 states and 97 transitions. [2022-11-03 03:49:32,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 03:49:32,501 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2022-11-03 03:49:32,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:49:32,502 INFO L225 Difference]: With dead ends: 80 [2022-11-03 03:49:32,502 INFO L226 Difference]: Without dead ends: 41 [2022-11-03 03:49:32,503 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:49:32,505 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 39 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:49:32,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 45 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 03:49:32,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2022-11-03 03:49:32,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2022-11-03 03:49:32,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 31 states have internal predecessors, (32), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-03 03:49:32,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 48 transitions. [2022-11-03 03:49:32,525 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 48 transitions. Word has length 19 [2022-11-03 03:49:32,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:49:32,525 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 48 transitions. [2022-11-03 03:49:32,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 03:49:32,526 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 48 transitions. [2022-11-03 03:49:32,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 03:49:32,528 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:49:32,528 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:49:32,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 03:49:32,529 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:49:32,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:49:32,532 INFO L85 PathProgramCache]: Analyzing trace with hash 2101768674, now seen corresponding path program 1 times [2022-11-03 03:49:32,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:49:32,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466442261] [2022-11-03 03:49:32,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:49:32,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:49:32,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:49:32,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:49:32,776 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:49:32,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466442261] [2022-11-03 03:49:32,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466442261] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:49:32,777 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:49:32,777 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:49:32,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334728221] [2022-11-03 03:49:32,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:49:32,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:49:32,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:49:32,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:49:32,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:49:32,780 INFO L87 Difference]: Start difference. First operand 41 states and 48 transitions. Second operand has 6 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-03 03:49:32,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:49:32,985 INFO L93 Difference]: Finished difference Result 117 states and 140 transitions. [2022-11-03 03:49:32,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 03:49:32,986 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2022-11-03 03:49:32,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:49:32,990 INFO L225 Difference]: With dead ends: 117 [2022-11-03 03:49:32,990 INFO L226 Difference]: Without dead ends: 78 [2022-11-03 03:49:32,994 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-03 03:49:33,002 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 26 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:49:33,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 182 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 03:49:33,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-11-03 03:49:33,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 74. [2022-11-03 03:49:33,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 47 states have (on average 1.2127659574468086) internal successors, (57), 55 states have internal predecessors, (57), 15 states have call successors, (15), 11 states have call predecessors, (15), 11 states have return successors, (15), 13 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-03 03:49:33,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 87 transitions. [2022-11-03 03:49:33,031 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 87 transitions. Word has length 24 [2022-11-03 03:49:33,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:49:33,031 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 87 transitions. [2022-11-03 03:49:33,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-03 03:49:33,031 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 87 transitions. [2022-11-03 03:49:33,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-03 03:49:33,039 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:49:33,039 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:49:33,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 03:49:33,040 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:49:33,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:49:33,042 INFO L85 PathProgramCache]: Analyzing trace with hash 629424835, now seen corresponding path program 1 times [2022-11-03 03:49:33,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:49:33,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360435516] [2022-11-03 03:49:33,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:49:33,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:49:33,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:49:33,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:49:33,186 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:49:33,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360435516] [2022-11-03 03:49:33,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360435516] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:49:33,187 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:49:33,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:49:33,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071023854] [2022-11-03 03:49:33,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:49:33,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:49:33,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:49:33,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:49:33,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:49:33,189 INFO L87 Difference]: Start difference. First operand 74 states and 87 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:49:33,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:49:33,250 INFO L93 Difference]: Finished difference Result 130 states and 153 transitions. [2022-11-03 03:49:33,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 03:49:33,251 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 27 [2022-11-03 03:49:33,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:49:33,256 INFO L225 Difference]: With dead ends: 130 [2022-11-03 03:49:33,256 INFO L226 Difference]: Without dead ends: 0 [2022-11-03 03:49:33,259 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:49:33,260 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 18 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 03:49:33,261 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 45 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 03:49:33,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-03 03:49:33,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-03 03:49:33,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:49:33,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-03 03:49:33,262 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2022-11-03 03:49:33,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:49:33,263 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-03 03:49:33,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-03 03:49:33,263 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-03 03:49:33,264 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-03 03:49:33,267 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 03:49:33,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 03:49:33,270 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-03 03:49:33,793 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 82 93) the Hoare annotation is: true [2022-11-03 03:49:33,793 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 82 93) no Hoare annotation was computed. [2022-11-03 03:49:33,794 INFO L899 garLoopResultBuilder]: For program point L725-1(lines 725 731) no Hoare annotation was computed. [2022-11-03 03:49:33,794 INFO L895 garLoopResultBuilder]: At program point L754(lines 754 762) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-11-03 03:49:33,794 INFO L899 garLoopResultBuilder]: For program point L882(lines 882 888) no Hoare annotation was computed. [2022-11-03 03:49:33,794 INFO L899 garLoopResultBuilder]: For program point L750(lines 750 767) no Hoare annotation was computed. [2022-11-03 03:49:33,796 INFO L895 garLoopResultBuilder]: At program point L878(lines 878 891) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) (= |timeShift___utac_acc__Specification1_spec__1_~tmp~7#1| 0) .cse1) (or .cse0 (= ~pumpRunning~0 0) .cse1))) [2022-11-03 03:49:33,796 INFO L895 garLoopResultBuilder]: At program point L878-1(lines 870 894) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) (= |timeShift___utac_acc__Specification1_spec__1_~tmp~7#1| 0) .cse1) (or .cse0 (= ~pumpRunning~0 0) .cse1))) [2022-11-03 03:49:33,796 INFO L899 garLoopResultBuilder]: For program point L718-1(lines 717 736) no Hoare annotation was computed. [2022-11-03 03:49:33,796 INFO L895 garLoopResultBuilder]: At program point L900(line 900) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-11-03 03:49:33,797 INFO L895 garLoopResultBuilder]: At program point L760(line 760) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-11-03 03:49:33,797 INFO L895 garLoopResultBuilder]: At program point L752(line 752) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2022-11-03 03:49:33,797 INFO L899 garLoopResultBuilder]: For program point L752-1(line 752) no Hoare annotation was computed. [2022-11-03 03:49:33,797 INFO L895 garLoopResultBuilder]: At program point L876(line 876) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2022-11-03 03:49:33,798 INFO L899 garLoopResultBuilder]: For program point L876-1(line 876) no Hoare annotation was computed. [2022-11-03 03:49:33,798 INFO L895 garLoopResultBuilder]: At program point L765(line 765) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2022-11-03 03:49:33,798 INFO L895 garLoopResultBuilder]: At program point L765-1(lines 746 770) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2022-11-03 03:49:33,798 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 714 737) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2022-11-03 03:49:33,799 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 714 737) no Hoare annotation was computed. [2022-11-03 03:49:33,799 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 900) no Hoare annotation was computed. [2022-11-03 03:49:33,799 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 542 571) no Hoare annotation was computed. [2022-11-03 03:49:33,799 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 542 571) the Hoare annotation is: true [2022-11-03 03:49:33,800 INFO L902 garLoopResultBuilder]: At program point L567(lines 542 571) the Hoare annotation is: true [2022-11-03 03:49:33,800 INFO L899 garLoopResultBuilder]: For program point L563(line 563) no Hoare annotation was computed. [2022-11-03 03:49:33,800 INFO L899 garLoopResultBuilder]: For program point L556(lines 556 560) no Hoare annotation was computed. [2022-11-03 03:49:33,801 INFO L902 garLoopResultBuilder]: At program point L556-1(lines 556 560) the Hoare annotation is: true [2022-11-03 03:49:33,801 INFO L902 garLoopResultBuilder]: At program point L552-2(lines 552 566) the Hoare annotation is: true [2022-11-03 03:49:33,802 INFO L902 garLoopResultBuilder]: At program point L548(line 548) the Hoare annotation is: true [2022-11-03 03:49:33,802 INFO L899 garLoopResultBuilder]: For program point L548-1(line 548) no Hoare annotation was computed. [2022-11-03 03:49:33,802 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 94 102) the Hoare annotation is: true [2022-11-03 03:49:33,803 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 94 102) no Hoare annotation was computed. [2022-11-03 03:49:33,803 INFO L895 garLoopResultBuilder]: At program point L688-2(lines 680 693) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~3#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~3#1| 1)) [2022-11-03 03:49:33,803 INFO L899 garLoopResultBuilder]: For program point L651(lines 650 697) no Hoare annotation was computed. [2022-11-03 03:49:33,803 INFO L895 garLoopResultBuilder]: At program point L672(line 672) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~3#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~3#1| 1)) [2022-11-03 03:49:33,804 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-11-03 03:49:33,804 INFO L902 garLoopResultBuilder]: At program point L701(lines 640 705) the Hoare annotation is: true [2022-11-03 03:49:33,804 INFO L899 garLoopResultBuilder]: For program point L660(lines 660 666) no Hoare annotation was computed. [2022-11-03 03:49:33,804 INFO L899 garLoopResultBuilder]: For program point L660-1(lines 660 666) no Hoare annotation was computed. [2022-11-03 03:49:33,804 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-03 03:49:33,805 INFO L895 garLoopResultBuilder]: At program point L698(lines 649 699) the Hoare annotation is: false [2022-11-03 03:49:33,805 INFO L899 garLoopResultBuilder]: For program point L670(lines 670 676) no Hoare annotation was computed. [2022-11-03 03:49:33,805 INFO L895 garLoopResultBuilder]: At program point L670-1(lines 670 676) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~3#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~3#1| 1)) [2022-11-03 03:49:33,805 INFO L895 garLoopResultBuilder]: At program point L695(lines 650 697) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~3#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~3#1| 1)) [2022-11-03 03:49:33,806 INFO L895 garLoopResultBuilder]: At program point L662(line 662) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~3#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~3#1| 1)) [2022-11-03 03:49:33,806 INFO L895 garLoopResultBuilder]: At program point L625(lines 625 632) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~3#1| ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_main_~tmp~3#1| 1)) [2022-11-03 03:49:33,808 INFO L902 garLoopResultBuilder]: At program point L625-2(lines 625 632) the Hoare annotation is: true [2022-11-03 03:49:33,809 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 70 81) no Hoare annotation was computed. [2022-11-03 03:49:33,809 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 70 81) the Hoare annotation is: true [2022-11-03 03:49:33,809 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 738 744) no Hoare annotation was computed. [2022-11-03 03:49:33,809 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 738 744) the Hoare annotation is: true [2022-11-03 03:49:33,809 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 804 814) the Hoare annotation is: true [2022-11-03 03:49:33,810 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 804 814) no Hoare annotation was computed. [2022-11-03 03:49:33,810 INFO L902 garLoopResultBuilder]: At program point L809(line 809) the Hoare annotation is: true [2022-11-03 03:49:33,810 INFO L899 garLoopResultBuilder]: For program point L809-1(line 809) no Hoare annotation was computed. [2022-11-03 03:49:33,814 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-03 03:49:33,817 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 03:49:33,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 03:49:33 BoogieIcfgContainer [2022-11-03 03:49:33,857 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 03:49:33,858 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 03:49:33,859 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 03:49:33,859 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 03:49:33,860 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:49:30" (3/4) ... [2022-11-03 03:49:33,863 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-03 03:49:33,872 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-03 03:49:33,872 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-03 03:49:33,872 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-03 03:49:33,873 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-03 03:49:33,874 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-03 03:49:33,874 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-11-03 03:49:33,874 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-11-03 03:49:33,890 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 66 nodes and edges [2022-11-03 03:49:33,891 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-03 03:49:33,891 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-11-03 03:49:33,892 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-03 03:49:33,892 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-03 03:49:33,893 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 03:49:33,893 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 03:49:33,926 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive [2022-11-03 03:49:33,930 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive [2022-11-03 03:49:33,932 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2022-11-03 03:49:33,932 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || tmp == 0) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive) [2022-11-03 03:49:33,933 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || tmp == 0) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive) [2022-11-03 03:49:33,933 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || 0 == systemActive [2022-11-03 03:49:33,954 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07db669f-523d-426b-99e8-626f7fdf9f13/bin/utaipan-7li7fVZpFI/witness.graphml [2022-11-03 03:49:33,954 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 03:49:33,955 INFO L158 Benchmark]: Toolchain (without parser) took 4651.14ms. Allocated memory was 102.8MB in the beginning and 134.2MB in the end (delta: 31.5MB). Free memory was 63.4MB in the beginning and 95.7MB in the end (delta: -32.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 03:49:33,955 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 102.8MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 03:49:33,955 INFO L158 Benchmark]: CACSL2BoogieTranslator took 631.38ms. Allocated memory is still 102.8MB. Free memory was 63.2MB in the beginning and 69.1MB in the end (delta: -5.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-03 03:49:33,956 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.41ms. Allocated memory is still 102.8MB. Free memory was 69.1MB in the beginning and 66.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 03:49:33,956 INFO L158 Benchmark]: Boogie Preprocessor took 50.01ms. Allocated memory is still 102.8MB. Free memory was 66.9MB in the beginning and 65.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 03:49:33,957 INFO L158 Benchmark]: RCFGBuilder took 882.62ms. Allocated memory is still 102.8MB. Free memory was 65.3MB in the beginning and 40.6MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-03 03:49:33,957 INFO L158 Benchmark]: TraceAbstraction took 2917.60ms. Allocated memory was 102.8MB in the beginning and 134.2MB in the end (delta: 31.5MB). Free memory was 39.8MB in the beginning and 101.0MB in the end (delta: -61.2MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. [2022-11-03 03:49:33,957 INFO L158 Benchmark]: Witness Printer took 96.36ms. Allocated memory is still 134.2MB. Free memory was 101.0MB in the beginning and 95.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-03 03:49:33,959 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 102.8MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 631.38ms. Allocated memory is still 102.8MB. Free memory was 63.2MB in the beginning and 69.1MB in the end (delta: -5.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.41ms. Allocated memory is still 102.8MB. Free memory was 69.1MB in the beginning and 66.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.01ms. Allocated memory is still 102.8MB. Free memory was 66.9MB in the beginning and 65.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 882.62ms. Allocated memory is still 102.8MB. Free memory was 65.3MB in the beginning and 40.6MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2917.60ms. Allocated memory was 102.8MB in the beginning and 134.2MB in the end (delta: 31.5MB). Free memory was 39.8MB in the beginning and 101.0MB in the end (delta: -61.2MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. * Witness Printer took 96.36ms. Allocated memory is still 134.2MB. Free memory was 101.0MB in the beginning and 95.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. 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: 900]: 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, 54 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 99 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 90 mSDsluCounter, 388 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 264 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 184 IncrementalHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 185 mSDtfsCounter, 184 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred in iteration=4, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 182 PreInvPairs, 203 NumberOfFragments, 223 HoareAnnotationTreeSize, 182 FomulaSimplifications, 27 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 31 FomulaSimplificationsInter, 435 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 103 NumberOfCodeBlocks, 103 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 98 ConstructedInterpolants, 0 QuantifiedInterpolants, 209 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || tmp == 0) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive) - InvariantResult [Line: 625]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && tmp == systemActive) && methaneLevelCritical == 0) && tmp == 1 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || tmp == 0) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive) - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && tmp == systemActive) && splverifierCounter == 0) && tmp == 1 - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 900]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || 0 == systemActive - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 670]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && tmp == systemActive) && splverifierCounter == 0) && tmp == 1 - InvariantResult [Line: 625]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 746]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive RESULT: Ultimate proved your program to be correct! [2022-11-03 03:49:34,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07db669f-523d-426b-99e8-626f7fdf9f13/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE