./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7d4d811-3f42-404d-8712-d2f79cd0763f/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7d4d811-3f42-404d-8712-d2f79cd0763f/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_d7d4d811-3f42-404d-8712-d2f79cd0763f/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7d4d811-3f42-404d-8712-d2f79cd0763f/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7d4d811-3f42-404d-8712-d2f79cd0763f/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_d7d4d811-3f42-404d-8712-d2f79cd0763f/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 3a50ab67253fae5e7df12ea55c13381683a6e4b8bfd8fa581a9bc2339e4a05ad --- 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 02:53:04,650 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:53:04,652 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:53:04,702 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:53:04,702 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:53:04,709 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:53:04,712 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:53:04,716 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:53:04,718 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:53:04,726 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:53:04,727 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:53:04,728 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:53:04,729 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:53:04,730 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:53:04,731 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:53:04,732 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:53:04,733 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:53:04,734 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:53:04,735 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:53:04,737 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:53:04,741 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:53:04,743 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:53:04,747 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:53:04,749 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:53:04,762 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:53:04,763 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:53:04,763 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:53:04,764 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:53:04,765 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:53:04,766 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:53:04,766 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:53:04,767 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:53:04,768 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:53:04,768 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:53:04,769 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:53:04,770 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:53:04,773 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:53:04,774 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:53:04,774 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:53:04,775 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:53:04,776 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:53:04,778 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7d4d811-3f42-404d-8712-d2f79cd0763f/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-03 02:53:04,811 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:53:04,812 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:53:04,812 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:53:04,812 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:53:04,813 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:53:04,813 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:53:04,814 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:53:04,814 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:53:04,814 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:53:04,814 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:53:04,815 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:53:04,815 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:53:04,815 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:53:04,815 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:53:04,815 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:53:04,816 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:53:04,816 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:53:04,816 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:53:04,817 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:53:04,817 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 02:53:04,817 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:53:04,818 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 02:53:04,818 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:53:04,818 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:53:04,818 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:53:04,819 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:53:04,819 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 02:53:04,819 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:53:04,819 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:53:04,819 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:53:04,820 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:53:04,820 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:53:04,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:53:04,821 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:53:04,821 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:53:04,821 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:53:04,821 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:53:04,821 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:53:04,822 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:53:04,822 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:53:04,822 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:53:04,822 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_d7d4d811-3f42-404d-8712-d2f79cd0763f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7d4d811-3f42-404d-8712-d2f79cd0763f/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a50ab67253fae5e7df12ea55c13381683a6e4b8bfd8fa581a9bc2339e4a05ad [2022-11-03 02:53:05,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:53:05,216 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:53:05,219 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:53:05,220 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:53:05,221 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:53:05,223 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7d4d811-3f42-404d-8712-d2f79cd0763f/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c [2022-11-03 02:53:05,300 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7d4d811-3f42-404d-8712-d2f79cd0763f/bin/utaipan-7li7fVZpFI/data/6a24edce7/f36e18156d4f4d38a104278459db56ce/FLAGc496f328b [2022-11-03 02:53:05,815 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:53:05,816 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7d4d811-3f42-404d-8712-d2f79cd0763f/sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c [2022-11-03 02:53:05,836 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7d4d811-3f42-404d-8712-d2f79cd0763f/bin/utaipan-7li7fVZpFI/data/6a24edce7/f36e18156d4f4d38a104278459db56ce/FLAGc496f328b [2022-11-03 02:53:06,117 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7d4d811-3f42-404d-8712-d2f79cd0763f/bin/utaipan-7li7fVZpFI/data/6a24edce7/f36e18156d4f4d38a104278459db56ce [2022-11-03 02:53:06,120 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:53:06,121 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:53:06,123 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:53:06,123 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:53:06,127 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:53:06,128 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:53:06" (1/1) ... [2022-11-03 02:53:06,129 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c7ba84e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:06, skipping insertion in model container [2022-11-03 02:53:06,130 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:53:06" (1/1) ... [2022-11-03 02:53:06,137 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:53:06,175 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:53:06,461 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_d7d4d811-3f42-404d-8712-d2f79cd0763f/sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c[13476,13489] [2022-11-03 02:53:06,492 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:53:06,504 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:53:06,559 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_d7d4d811-3f42-404d-8712-d2f79cd0763f/sv-benchmarks/c/product-lines/minepump_spec1_product22.cil.c[13476,13489] [2022-11-03 02:53:06,579 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:53:06,598 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:53:06,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:06 WrapperNode [2022-11-03 02:53:06,598 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:53:06,600 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:53:06,600 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:53:06,600 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:53:06,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:06" (1/1) ... [2022-11-03 02:53:06,622 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:06" (1/1) ... [2022-11-03 02:53:06,650 INFO L138 Inliner]: procedures = 54, calls = 154, calls flagged for inlining = 20, calls inlined = 17, statements flattened = 234 [2022-11-03 02:53:06,650 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:53:06,651 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:53:06,651 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:53:06,651 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:53:06,661 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:06" (1/1) ... [2022-11-03 02:53:06,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:06" (1/1) ... [2022-11-03 02:53:06,664 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:06" (1/1) ... [2022-11-03 02:53:06,665 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:06" (1/1) ... [2022-11-03 02:53:06,669 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:06" (1/1) ... [2022-11-03 02:53:06,674 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:06" (1/1) ... [2022-11-03 02:53:06,676 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:06" (1/1) ... [2022-11-03 02:53:06,677 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:06" (1/1) ... [2022-11-03 02:53:06,680 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:53:06,681 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:53:06,681 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:53:06,681 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:53:06,689 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:06" (1/1) ... [2022-11-03 02:53:06,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:53:06,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7d4d811-3f42-404d-8712-d2f79cd0763f/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:53:06,740 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7d4d811-3f42-404d-8712-d2f79cd0763f/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:53:06,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7d4d811-3f42-404d-8712-d2f79cd0763f/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:53:06,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:53:06,791 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-03 02:53:06,791 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-03 02:53:06,792 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-03 02:53:06,792 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-03 02:53:06,792 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-03 02:53:06,792 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-03 02:53:06,793 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-03 02:53:06,793 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-03 02:53:06,793 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-03 02:53:06,793 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-03 02:53:06,793 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2022-11-03 02:53:06,794 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2022-11-03 02:53:06,794 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-03 02:53:06,794 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-03 02:53:06,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:53:06,794 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-03 02:53:06,795 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-03 02:53:06,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:53:06,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:53:06,907 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:53:06,909 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:53:07,251 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:53:07,499 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:53:07,503 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-03 02:53:07,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:53:07 BoogieIcfgContainer [2022-11-03 02:53:07,506 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:53:07,512 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:53:07,513 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:53:07,517 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:53:07,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:53:06" (1/3) ... [2022-11-03 02:53:07,519 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4aa37acf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:53:07, skipping insertion in model container [2022-11-03 02:53:07,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:06" (2/3) ... [2022-11-03 02:53:07,521 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4aa37acf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:53:07, skipping insertion in model container [2022-11-03 02:53:07,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:53:07" (3/3) ... [2022-11-03 02:53:07,523 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product22.cil.c [2022-11-03 02:53:07,549 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:53:07,550 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:53:07,630 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:53:07,652 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;@4822e1a0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:53:07,653 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:53:07,663 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 45 states have internal predecessors, (52), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-03 02:53:07,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-03 02:53:07,673 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:53:07,674 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:53:07,674 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:53:07,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:53:07,683 INFO L85 PathProgramCache]: Analyzing trace with hash 841988928, now seen corresponding path program 1 times [2022-11-03 02:53:07,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:53:07,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839435530] [2022-11-03 02:53:07,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:53:07,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:53:07,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:53:07,963 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 02:53:07,964 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:53:07,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839435530] [2022-11-03 02:53:07,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839435530] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:53:07,966 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:53:07,966 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 02:53:07,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701472847] [2022-11-03 02:53:07,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:53:07,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-03 02:53:07,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:53:08,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-03 02:53:08,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 02:53:08,017 INFO L87 Difference]: Start difference. First operand has 61 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 45 states have internal predecessors, (52), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) 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 02:53:08,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:53:08,148 INFO L93 Difference]: Finished difference Result 120 states and 161 transitions. [2022-11-03 02:53:08,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-03 02:53:08,151 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 02:53:08,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:53:08,167 INFO L225 Difference]: With dead ends: 120 [2022-11-03 02:53:08,168 INFO L226 Difference]: Without dead ends: 56 [2022-11-03 02:53:08,173 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 02:53:08,177 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:53:08,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 61 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:53:08,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-11-03 02:53:08,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2022-11-03 02:53:08,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 41 states have internal predecessors, (44), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-03 02:53:08,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 71 transitions. [2022-11-03 02:53:08,240 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 71 transitions. Word has length 16 [2022-11-03 02:53:08,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:53:08,241 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 71 transitions. [2022-11-03 02:53:08,242 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 02:53:08,242 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 71 transitions. [2022-11-03 02:53:08,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-03 02:53:08,247 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:53:08,247 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 02:53:08,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:53:08,248 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:53:08,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:53:08,249 INFO L85 PathProgramCache]: Analyzing trace with hash 1913400507, now seen corresponding path program 1 times [2022-11-03 02:53:08,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:53:08,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362792878] [2022-11-03 02:53:08,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:53:08,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:53:08,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:53:08,460 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 02:53:08,460 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:53:08,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362792878] [2022-11-03 02:53:08,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362792878] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:53:08,461 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:53:08,461 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:53:08,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072769262] [2022-11-03 02:53:08,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:53:08,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:53:08,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:53:08,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:53:08,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:53:08,464 INFO L87 Difference]: Start difference. First operand 56 states and 71 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 02:53:08,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:53:08,556 INFO L93 Difference]: Finished difference Result 89 states and 113 transitions. [2022-11-03 02:53:08,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:53:08,557 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 02:53:08,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:53:08,558 INFO L225 Difference]: With dead ends: 89 [2022-11-03 02:53:08,558 INFO L226 Difference]: Without dead ends: 48 [2022-11-03 02:53:08,559 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 02:53:08,561 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 7 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:53:08,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 85 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:53:08,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2022-11-03 02:53:08,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2022-11-03 02:53:08,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 36 states have internal predecessors, (38), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-03 02:53:08,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 60 transitions. [2022-11-03 02:53:08,571 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 60 transitions. Word has length 17 [2022-11-03 02:53:08,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:53:08,571 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 60 transitions. [2022-11-03 02:53:08,572 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 02:53:08,572 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 60 transitions. [2022-11-03 02:53:08,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-03 02:53:08,573 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:53:08,573 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 02:53:08,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:53:08,574 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:53:08,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:53:08,574 INFO L85 PathProgramCache]: Analyzing trace with hash -1622741741, now seen corresponding path program 1 times [2022-11-03 02:53:08,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:53:08,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755299990] [2022-11-03 02:53:08,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:53:08,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:53:08,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:53:08,733 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 02:53:08,734 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:53:08,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755299990] [2022-11-03 02:53:08,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755299990] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:53:08,735 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:53:08,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:53:08,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161758258] [2022-11-03 02:53:08,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:53:08,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:53:08,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:53:08,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:53:08,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:53:08,737 INFO L87 Difference]: Start difference. First operand 48 states and 60 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 02:53:08,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:53:08,902 INFO L93 Difference]: Finished difference Result 138 states and 176 transitions. [2022-11-03 02:53:08,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 02:53:08,902 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2022-11-03 02:53:08,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:53:08,904 INFO L225 Difference]: With dead ends: 138 [2022-11-03 02:53:08,905 INFO L226 Difference]: Without dead ends: 92 [2022-11-03 02:53:08,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-03 02:53:08,906 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 41 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:53:08,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 243 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:53:08,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-11-03 02:53:08,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 88. [2022-11-03 02:53:08,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 53 states have (on average 1.3018867924528301) internal successors, (69), 65 states have internal predecessors, (69), 21 states have call successors, (21), 13 states have call predecessors, (21), 13 states have return successors, (21), 13 states have call predecessors, (21), 21 states have call successors, (21) [2022-11-03 02:53:08,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 111 transitions. [2022-11-03 02:53:08,928 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 111 transitions. Word has length 19 [2022-11-03 02:53:08,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:53:08,928 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 111 transitions. [2022-11-03 02:53:08,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 02:53:08,929 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 111 transitions. [2022-11-03 02:53:08,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-03 02:53:08,930 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:53:08,930 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] [2022-11-03 02:53:08,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 02:53:08,931 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:53:08,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:53:08,931 INFO L85 PathProgramCache]: Analyzing trace with hash 26396553, now seen corresponding path program 1 times [2022-11-03 02:53:08,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:53:08,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447590788] [2022-11-03 02:53:08,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:53:08,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:53:08,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:53:09,270 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 02:53:09,270 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:53:09,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447590788] [2022-11-03 02:53:09,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447590788] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:53:09,271 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:53:09,271 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-03 02:53:09,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584480653] [2022-11-03 02:53:09,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:53:09,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-03 02:53:09,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:53:09,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-03 02:53:09,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-11-03 02:53:09,275 INFO L87 Difference]: Start difference. First operand 88 states and 111 transitions. Second operand has 11 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 7 states have internal predecessors, (17), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-03 02:53:09,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:53:09,966 INFO L93 Difference]: Finished difference Result 219 states and 280 transitions. [2022-11-03 02:53:09,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 02:53:09,967 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 7 states have internal predecessors, (17), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 22 [2022-11-03 02:53:09,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:53:09,968 INFO L225 Difference]: With dead ends: 219 [2022-11-03 02:53:09,969 INFO L226 Difference]: Without dead ends: 133 [2022-11-03 02:53:09,970 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=267, Unknown=0, NotChecked=0, Total=342 [2022-11-03 02:53:09,971 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 120 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 592 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:53:09,971 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 153 Invalid, 674 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 592 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-03 02:53:09,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2022-11-03 02:53:09,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 91. [2022-11-03 02:53:09,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 54 states have (on average 1.2592592592592593) internal successors, (68), 67 states have internal predecessors, (68), 22 states have call successors, (22), 14 states have call predecessors, (22), 14 states have return successors, (22), 14 states have call predecessors, (22), 22 states have call successors, (22) [2022-11-03 02:53:09,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 112 transitions. [2022-11-03 02:53:09,990 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 112 transitions. Word has length 22 [2022-11-03 02:53:09,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:53:09,991 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 112 transitions. [2022-11-03 02:53:09,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 7 states have internal predecessors, (17), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-03 02:53:09,991 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 112 transitions. [2022-11-03 02:53:09,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-03 02:53:09,992 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:53:09,993 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:53:09,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 02:53:09,993 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:53:09,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:53:09,994 INFO L85 PathProgramCache]: Analyzing trace with hash -1884139806, now seen corresponding path program 1 times [2022-11-03 02:53:09,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:53:09,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642824502] [2022-11-03 02:53:09,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:53:09,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:53:10,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:53:10,147 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 02:53:10,147 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:53:10,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642824502] [2022-11-03 02:53:10,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642824502] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:53:10,148 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:53:10,148 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:53:10,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466277152] [2022-11-03 02:53:10,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:53:10,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:53:10,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:53:10,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:53:10,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:53:10,150 INFO L87 Difference]: Start difference. First operand 91 states and 112 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-03 02:53:10,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:53:10,257 INFO L93 Difference]: Finished difference Result 160 states and 195 transitions. [2022-11-03 02:53:10,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:53:10,258 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 32 [2022-11-03 02:53:10,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:53:10,258 INFO L225 Difference]: With dead ends: 160 [2022-11-03 02:53:10,258 INFO L226 Difference]: Without dead ends: 0 [2022-11-03 02:53:10,259 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:53:10,260 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 31 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:53:10,261 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 44 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:53:10,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-03 02:53:10,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-03 02:53:10,262 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 02:53:10,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-03 02:53:10,262 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2022-11-03 02:53:10,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:53:10,262 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-03 02:53:10,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-03 02:53:10,263 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-03 02:53:10,263 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-03 02:53:10,265 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 02:53:10,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 02:53:10,268 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-03 02:53:11,060 INFO L902 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 783 790) the Hoare annotation is: true [2022-11-03 02:53:11,061 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 783 790) no Hoare annotation was computed. [2022-11-03 02:53:11,061 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 716 722) no Hoare annotation was computed. [2022-11-03 02:53:11,061 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 716 722) the Hoare annotation is: true [2022-11-03 02:53:11,061 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 623 634) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or (not (= |old(~methaneLevelCritical~0)| 0)) .cse0 (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (or (not (= |old(~methaneLevelCritical~0)| ~systemActive~0)) .cse0 (= ~methaneLevelCritical~0 1) (not (= |old(~methaneLevelCritical~0)| 1))))) [2022-11-03 02:53:11,062 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 623 634) no Hoare annotation was computed. [2022-11-03 02:53:11,062 INFO L895 garLoopResultBuilder]: At program point L97(line 97) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 (not (= 1 ~systemActive~0)) (not (= ~methaneLevelCritical~0 0))) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 ~systemActive~0)) (not (= ~methaneLevelCritical~0 1))))) [2022-11-03 02:53:11,062 INFO L899 garLoopResultBuilder]: For program point L97-1(line 97) no Hoare annotation was computed. [2022-11-03 02:53:11,062 INFO L899 garLoopResultBuilder]: For program point L696-1(lines 695 714) no Hoare annotation was computed. [2022-11-03 02:53:11,062 INFO L899 garLoopResultBuilder]: For program point L758(lines 758 766) no Hoare annotation was computed. [2022-11-03 02:53:11,063 INFO L899 garLoopResultBuilder]: For program point L754(lines 754 771) no Hoare annotation was computed. [2022-11-03 02:53:11,063 INFO L895 garLoopResultBuilder]: At program point L796(line 796) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= 1 ~systemActive~0)) (not (= ~methaneLevelCritical~0 0))) (or .cse0 (not (= ~methaneLevelCritical~0 ~systemActive~0)) (not (= ~methaneLevelCritical~0 1))))) [2022-11-03 02:53:11,063 INFO L895 garLoopResultBuilder]: At program point L796-1(line 796) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= 1 ~systemActive~0)) (not (= ~methaneLevelCritical~0 0))) (or .cse0 (not (= ~methaneLevelCritical~0 ~systemActive~0)) (not (= ~methaneLevelCritical~0 1))))) [2022-11-03 02:53:11,063 INFO L899 garLoopResultBuilder]: For program point L103(lines 103 109) no Hoare annotation was computed. [2022-11-03 02:53:11,064 INFO L895 garLoopResultBuilder]: At program point L99(lines 99 112) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 (not (= 1 ~systemActive~0)) (and .cse1 (= |timeShift___utac_acc__Specification1_spec__1_~tmp~0#1| 0)) (not (= ~methaneLevelCritical~0 0))) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 ~systemActive~0)) (not (= ~methaneLevelCritical~0 1))))) [2022-11-03 02:53:11,064 INFO L895 garLoopResultBuilder]: At program point L99-1(lines 91 115) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 (not (= 1 ~systemActive~0)) (and .cse1 (= |timeShift___utac_acc__Specification1_spec__1_~tmp~0#1| 0)) (not (= ~methaneLevelCritical~0 0))) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 ~systemActive~0)) (not (= ~methaneLevelCritical~0 1))))) [2022-11-03 02:53:11,064 INFO L895 garLoopResultBuilder]: At program point L764(line 764) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= 1 ~systemActive~0)) (not (= ~methaneLevelCritical~0 0))) (or .cse0 (not (= ~methaneLevelCritical~0 ~systemActive~0)) (not (= ~methaneLevelCritical~0 1))))) [2022-11-03 02:53:11,064 INFO L895 garLoopResultBuilder]: At program point L760(line 760) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= 1 ~systemActive~0)) (not (= ~methaneLevelCritical~0 0))) (or .cse0 (not (= ~methaneLevelCritical~0 ~systemActive~0)) (not (= ~methaneLevelCritical~0 1))))) [2022-11-03 02:53:11,065 INFO L895 garLoopResultBuilder]: At program point L769(line 769) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 (not (= 1 ~systemActive~0)) (not (= ~methaneLevelCritical~0 0))) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 ~systemActive~0)) (not (= ~methaneLevelCritical~0 1))))) [2022-11-03 02:53:11,065 INFO L895 garLoopResultBuilder]: At program point L769-1(lines 750 774) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 (not (= 1 ~systemActive~0)) (not (= ~methaneLevelCritical~0 0))) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 ~systemActive~0)) (not (= ~methaneLevelCritical~0 1))))) [2022-11-03 02:53:11,065 INFO L899 garLoopResultBuilder]: For program point L703-1(lines 703 709) no Hoare annotation was computed. [2022-11-03 02:53:11,065 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 692 715) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 (not (= 1 ~systemActive~0)) (not (= ~methaneLevelCritical~0 0))) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 ~systemActive~0)) (not (= ~methaneLevelCritical~0 1))))) [2022-11-03 02:53:11,066 INFO L895 garLoopResultBuilder]: At program point L588(line 588) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= 1 ~systemActive~0)) (not (= ~methaneLevelCritical~0 0))) (or .cse0 (not (= ~methaneLevelCritical~0 ~systemActive~0)) (not (= ~methaneLevelCritical~0 1))))) [2022-11-03 02:53:11,066 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 692 715) no Hoare annotation was computed. [2022-11-03 02:53:11,066 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 588) no Hoare annotation was computed. [2022-11-03 02:53:11,066 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 119 148) no Hoare annotation was computed. [2022-11-03 02:53:11,067 INFO L902 garLoopResultBuilder]: At program point L129-2(lines 129 143) the Hoare annotation is: true [2022-11-03 02:53:11,067 INFO L902 garLoopResultBuilder]: At program point L125(line 125) the Hoare annotation is: true [2022-11-03 02:53:11,067 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 119 148) the Hoare annotation is: true [2022-11-03 02:53:11,067 INFO L899 garLoopResultBuilder]: For program point L125-1(line 125) no Hoare annotation was computed. [2022-11-03 02:53:11,067 INFO L902 garLoopResultBuilder]: At program point L144(lines 119 148) the Hoare annotation is: true [2022-11-03 02:53:11,067 INFO L899 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2022-11-03 02:53:11,068 INFO L899 garLoopResultBuilder]: For program point L133(lines 133 137) no Hoare annotation was computed. [2022-11-03 02:53:11,068 INFO L902 garLoopResultBuilder]: At program point L133-1(lines 133 137) the Hoare annotation is: true [2022-11-03 02:53:11,068 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 635 643) the Hoare annotation is: true [2022-11-03 02:53:11,068 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 635 643) no Hoare annotation was computed. [2022-11-03 02:53:11,068 INFO L895 garLoopResultBuilder]: At program point L923-2(lines 915 928) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~methaneLevelCritical~0 ~systemActive~0) .cse0 (= ~methaneLevelCritical~0 1) .cse1) (and .cse0 (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) .cse1))) [2022-11-03 02:53:11,069 INFO L899 garLoopResultBuilder]: For program point L886(lines 885 932) no Hoare annotation was computed. [2022-11-03 02:53:11,069 INFO L895 garLoopResultBuilder]: At program point L907(line 907) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~methaneLevelCritical~0 ~systemActive~0) .cse0 (= ~methaneLevelCritical~0 1) .cse1) (and .cse0 (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) .cse1))) [2022-11-03 02:53:11,069 INFO L902 garLoopResultBuilder]: At program point L936(lines 875 940) the Hoare annotation is: true [2022-11-03 02:53:11,069 INFO L899 garLoopResultBuilder]: For program point L895(lines 895 901) no Hoare annotation was computed. [2022-11-03 02:53:11,069 INFO L899 garLoopResultBuilder]: For program point L895-1(lines 895 901) no Hoare annotation was computed. [2022-11-03 02:53:11,070 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-11-03 02:53:11,070 INFO L895 garLoopResultBuilder]: At program point L933(lines 884 934) the Hoare annotation is: false [2022-11-03 02:53:11,070 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-03 02:53:11,070 INFO L899 garLoopResultBuilder]: For program point L905(lines 905 911) no Hoare annotation was computed. [2022-11-03 02:53:11,070 INFO L895 garLoopResultBuilder]: At program point L905-1(lines 905 911) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~methaneLevelCritical~0 ~systemActive~0) .cse0 (= ~methaneLevelCritical~0 1) .cse1) (and .cse0 (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) .cse1))) [2022-11-03 02:53:11,071 INFO L895 garLoopResultBuilder]: At program point L930(lines 885 932) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~methaneLevelCritical~0 ~systemActive~0) .cse0 (= ~methaneLevelCritical~0 1) .cse1) (and .cse0 (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) .cse1))) [2022-11-03 02:53:11,071 INFO L895 garLoopResultBuilder]: At program point L897(line 897) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~methaneLevelCritical~0 ~systemActive~0) .cse0 (= ~methaneLevelCritical~0 1) .cse1) (and .cse0 (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) .cse1))) [2022-11-03 02:53:11,071 INFO L895 garLoopResultBuilder]: At program point L204(lines 204 211) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-11-03 02:53:11,071 INFO L902 garLoopResultBuilder]: At program point L204-2(lines 204 211) the Hoare annotation is: true [2022-11-03 02:53:11,072 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 611 622) no Hoare annotation was computed. [2022-11-03 02:53:11,072 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 611 622) the Hoare annotation is: true [2022-11-03 02:53:11,072 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 724 748) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 (not (= 1 ~systemActive~0)) (not (= ~methaneLevelCritical~0 0))) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 ~systemActive~0)) (not (= ~methaneLevelCritical~0 1))))) [2022-11-03 02:53:11,072 INFO L895 garLoopResultBuilder]: At program point L738(line 738) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= 1 ~systemActive~0)) (not (= ~methaneLevelCritical~0 0))) (or .cse0 (not (= ~methaneLevelCritical~0 ~systemActive~0)) (not (= ~methaneLevelCritical~0 1))))) [2022-11-03 02:53:11,073 INFO L895 garLoopResultBuilder]: At program point L734(line 734) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= 1 ~systemActive~0)) (not (= ~methaneLevelCritical~0 0))) (or .cse0 (not (= ~methaneLevelCritical~0 ~systemActive~0)) (not (= ~methaneLevelCritical~0 1))))) [2022-11-03 02:53:11,073 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 724 748) no Hoare annotation was computed. [2022-11-03 02:53:11,073 INFO L899 garLoopResultBuilder]: For program point L732(lines 732 740) no Hoare annotation was computed. [2022-11-03 02:53:11,073 INFO L895 garLoopResultBuilder]: At program point L728(lines 728 745) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 (not (= 1 ~systemActive~0)) (not (= ~methaneLevelCritical~0 0))) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 ~systemActive~0)) (not (= ~methaneLevelCritical~0 1))))) [2022-11-03 02:53:11,074 INFO L895 garLoopResultBuilder]: At program point L743(line 743) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 (not (= 1 ~systemActive~0)) (not (= ~methaneLevelCritical~0 0))) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 ~systemActive~0)) (not (= ~methaneLevelCritical~0 1))))) [2022-11-03 02:53:11,074 INFO L899 garLoopResultBuilder]: For program point L743-1(lines 724 748) no Hoare annotation was computed. [2022-11-03 02:53:11,077 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-03 02:53:11,080 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 02:53:11,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 02:53:11 BoogieIcfgContainer [2022-11-03 02:53:11,114 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 02:53:11,122 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 02:53:11,122 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 02:53:11,122 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 02:53:11,123 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:53:07" (3/4) ... [2022-11-03 02:53:11,126 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-03 02:53:11,132 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-03 02:53:11,133 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-03 02:53:11,133 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-03 02:53:11,133 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-03 02:53:11,133 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-03 02:53:11,133 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-03 02:53:11,134 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-03 02:53:11,134 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2022-11-03 02:53:11,150 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 74 nodes and edges [2022-11-03 02:53:11,151 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-11-03 02:53:11,151 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-11-03 02:53:11,152 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-03 02:53:11,152 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-03 02:53:11,153 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 02:53:11,153 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 02:53:11,186 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(methaneLevelCritical == systemActive)) || !(methaneLevelCritical == 1)) [2022-11-03 02:53:11,187 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(methaneLevelCritical == systemActive)) || !(methaneLevelCritical == 1)) [2022-11-03 02:53:11,187 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(methaneLevelCritical == systemActive)) || !(methaneLevelCritical == 1)) [2022-11-03 02:53:11,188 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && tmp == 0)) || !(methaneLevelCritical == 0)) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(methaneLevelCritical == systemActive)) || !(methaneLevelCritical == 1)) [2022-11-03 02:53:11,188 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == systemActive)) || !(methaneLevelCritical == 1)) [2022-11-03 02:53:11,189 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && tmp == 0)) || !(methaneLevelCritical == 0)) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(methaneLevelCritical == systemActive)) || !(methaneLevelCritical == 1)) [2022-11-03 02:53:11,190 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == systemActive)) || !(methaneLevelCritical == 1)) [2022-11-03 02:53:11,216 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7d4d811-3f42-404d-8712-d2f79cd0763f/bin/utaipan-7li7fVZpFI/witness.graphml [2022-11-03 02:53:11,220 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 02:53:11,222 INFO L158 Benchmark]: Toolchain (without parser) took 5100.58ms. Allocated memory was 151.0MB in the beginning and 188.7MB in the end (delta: 37.7MB). Free memory was 112.3MB in the beginning and 127.2MB in the end (delta: -14.9MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2022-11-03 02:53:11,222 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 151.0MB. Free memory is still 130.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:53:11,223 INFO L158 Benchmark]: CACSL2BoogieTranslator took 475.91ms. Allocated memory is still 151.0MB. Free memory was 112.1MB in the beginning and 119.2MB in the end (delta: -7.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-03 02:53:11,224 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.89ms. Allocated memory is still 151.0MB. Free memory was 119.2MB in the beginning and 117.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 02:53:11,224 INFO L158 Benchmark]: Boogie Preprocessor took 28.86ms. Allocated memory is still 151.0MB. Free memory was 117.0MB in the beginning and 115.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 02:53:11,228 INFO L158 Benchmark]: RCFGBuilder took 826.05ms. Allocated memory is still 151.0MB. Free memory was 115.0MB in the beginning and 87.3MB in the end (delta: 27.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-03 02:53:11,229 INFO L158 Benchmark]: TraceAbstraction took 3608.66ms. Allocated memory was 151.0MB in the beginning and 188.7MB in the end (delta: 37.7MB). Free memory was 86.7MB in the beginning and 132.5MB in the end (delta: -45.8MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. [2022-11-03 02:53:11,230 INFO L158 Benchmark]: Witness Printer took 99.44ms. Allocated memory is still 188.7MB. Free memory was 132.5MB in the beginning and 127.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-03 02:53:11,232 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 151.0MB. Free memory is still 130.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 475.91ms. Allocated memory is still 151.0MB. Free memory was 112.1MB in the beginning and 119.2MB in the end (delta: -7.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.89ms. Allocated memory is still 151.0MB. Free memory was 119.2MB in the beginning and 117.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.86ms. Allocated memory is still 151.0MB. Free memory was 117.0MB in the beginning and 115.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 826.05ms. Allocated memory is still 151.0MB. Free memory was 115.0MB in the beginning and 87.3MB in the end (delta: 27.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 3608.66ms. Allocated memory was 151.0MB in the beginning and 188.7MB in the end (delta: 37.7MB). Free memory was 86.7MB in the beginning and 132.5MB in the end (delta: -45.8MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. * Witness Printer took 99.44ms. Allocated memory is still 188.7MB. Free memory was 132.5MB in the beginning and 127.2MB 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: 588]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.5s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 211 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 199 mSDsluCounter, 586 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 419 mSDsCounter, 99 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 777 IncrementalHoareTripleChecker+Invalid, 876 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 99 mSolverCounterUnsat, 247 mSDtfsCounter, 777 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=91occurred in iteration=4, InterpolantAutomatonStates: 30, 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, 46 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 36 LocationsWithAnnotation, 293 PreInvPairs, 315 NumberOfFragments, 685 HoareAnnotationTreeSize, 293 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 36 FomulaSimplificationsInter, 381 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 106 NumberOfCodeBlocks, 106 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 101 ConstructedInterpolants, 0 QuantifiedInterpolants, 262 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: 884]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && tmp == 0)) || !(methaneLevelCritical == 0)) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(methaneLevelCritical == systemActive)) || !(methaneLevelCritical == 1)) - InvariantResult [Line: 875]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(methaneLevelCritical == systemActive)) || !(methaneLevelCritical == 1)) - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == systemActive)) || !(methaneLevelCritical == 1)) - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 588]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == systemActive)) || !(methaneLevelCritical == 1)) - InvariantResult [Line: 91]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && tmp == 0)) || !(methaneLevelCritical == 0)) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(methaneLevelCritical == systemActive)) || !(methaneLevelCritical == 1)) - InvariantResult [Line: 885]: Loop Invariant Derived loop invariant: (((methaneLevelCritical == systemActive && pumpRunning == 0) && methaneLevelCritical == 1) && splverifierCounter == 0) || (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: (((methaneLevelCritical == systemActive && pumpRunning == 0) && methaneLevelCritical == 1) && splverifierCounter == 0) || (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 728]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(methaneLevelCritical == systemActive)) || !(methaneLevelCritical == 1)) - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(methaneLevelCritical == systemActive)) || !(methaneLevelCritical == 1)) RESULT: Ultimate proved your program to be correct! [2022-11-03 02:53:11,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7d4d811-3f42-404d-8712-d2f79cd0763f/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE