./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product28.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 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_c38b0a22-4fad-4068-8bfb-26be2a605669/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b0a22-4fad-4068-8bfb-26be2a605669/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b0a22-4fad-4068-8bfb-26be2a605669/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b0a22-4fad-4068-8bfb-26be2a605669/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product28.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b0a22-4fad-4068-8bfb-26be2a605669/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b0a22-4fad-4068-8bfb-26be2a605669/bin/utaipan-Q6hlc19bkW --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 27746ab44f558a6ebb6981088914ebe56dec54e6e61aba8484d841196c9545ea --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 13:53:22,651 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 13:53:22,654 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 13:53:22,702 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 13:53:22,703 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 13:53:22,707 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 13:53:22,710 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 13:53:22,713 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 13:53:22,715 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 13:53:22,721 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 13:53:22,723 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 13:53:22,725 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 13:53:22,726 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 13:53:22,729 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 13:53:22,731 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 13:53:22,733 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 13:53:22,735 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 13:53:22,736 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 13:53:22,738 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 13:53:22,745 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 13:53:22,747 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 13:53:22,750 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 13:53:22,752 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 13:53:22,753 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 13:53:22,764 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 13:53:22,765 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 13:53:22,765 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 13:53:22,768 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 13:53:22,768 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 13:53:22,771 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 13:53:22,771 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 13:53:22,772 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 13:53:22,774 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 13:53:22,776 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 13:53:22,777 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 13:53:22,778 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 13:53:22,778 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 13:53:22,779 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 13:53:22,779 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 13:53:22,781 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 13:53:22,782 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 13:53:22,783 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b0a22-4fad-4068-8bfb-26be2a605669/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-23 13:53:22,827 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 13:53:22,828 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 13:53:22,829 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 13:53:22,829 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 13:53:22,830 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 13:53:22,831 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 13:53:22,831 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 13:53:22,831 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 13:53:22,832 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 13:53:22,832 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 13:53:22,833 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 13:53:22,834 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 13:53:22,834 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 13:53:22,834 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 13:53:22,835 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 13:53:22,835 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 13:53:22,835 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 13:53:22,836 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 13:53:22,837 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 13:53:22,837 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 13:53:22,837 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 13:53:22,838 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 13:53:22,838 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 13:53:22,838 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 13:53:22,839 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 13:53:22,839 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 13:53:22,839 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 13:53:22,840 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 13:53:22,840 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 13:53:22,841 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 13:53:22,841 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 13:53:22,841 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 13:53:22,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 13:53:22,842 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 13:53:22,843 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 13:53:22,843 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 13:53:22,843 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 13:53:22,844 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 13:53:22,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 13:53:22,844 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 13:53:22,845 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 13:53:22,845 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_c38b0a22-4fad-4068-8bfb-26be2a605669/bin/utaipan-Q6hlc19bkW/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b0a22-4fad-4068-8bfb-26be2a605669/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 27746ab44f558a6ebb6981088914ebe56dec54e6e61aba8484d841196c9545ea [2022-11-23 13:53:23,200 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 13:53:23,245 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 13:53:23,248 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 13:53:23,249 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 13:53:23,250 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 13:53:23,251 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b0a22-4fad-4068-8bfb-26be2a605669/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/product-lines/minepump_spec5_product28.cil.c [2022-11-23 13:53:26,260 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 13:53:26,627 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 13:53:26,627 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b0a22-4fad-4068-8bfb-26be2a605669/sv-benchmarks/c/product-lines/minepump_spec5_product28.cil.c [2022-11-23 13:53:26,644 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b0a22-4fad-4068-8bfb-26be2a605669/bin/utaipan-Q6hlc19bkW/data/ac227e4d8/24a0715f89734b3ab8c44fd86fa5cf78/FLAGae5e112ae [2022-11-23 13:53:26,661 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b0a22-4fad-4068-8bfb-26be2a605669/bin/utaipan-Q6hlc19bkW/data/ac227e4d8/24a0715f89734b3ab8c44fd86fa5cf78 [2022-11-23 13:53:26,664 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 13:53:26,666 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 13:53:26,670 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 13:53:26,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 13:53:26,675 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 13:53:26,675 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:53:26" (1/1) ... [2022-11-23 13:53:26,677 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11cedace and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:26, skipping insertion in model container [2022-11-23 13:53:26,678 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:53:26" (1/1) ... [2022-11-23 13:53:26,686 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 13:53:26,747 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 13:53:27,042 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b0a22-4fad-4068-8bfb-26be2a605669/sv-benchmarks/c/product-lines/minepump_spec5_product28.cil.c[15131,15144] [2022-11-23 13:53:27,061 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 13:53:27,073 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 13:53:27,137 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b0a22-4fad-4068-8bfb-26be2a605669/sv-benchmarks/c/product-lines/minepump_spec5_product28.cil.c[15131,15144] [2022-11-23 13:53:27,146 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 13:53:27,164 INFO L208 MainTranslator]: Completed translation [2022-11-23 13:53:27,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:27 WrapperNode [2022-11-23 13:53:27,165 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 13:53:27,166 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 13:53:27,166 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 13:53:27,167 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 13:53:27,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:27" (1/1) ... [2022-11-23 13:53:27,187 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:27" (1/1) ... [2022-11-23 13:53:27,212 INFO L138 Inliner]: procedures = 57, calls = 101, calls flagged for inlining = 25, calls inlined = 19, statements flattened = 174 [2022-11-23 13:53:27,213 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 13:53:27,214 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 13:53:27,214 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 13:53:27,214 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 13:53:27,225 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:27" (1/1) ... [2022-11-23 13:53:27,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:27" (1/1) ... [2022-11-23 13:53:27,227 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:27" (1/1) ... [2022-11-23 13:53:27,228 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:27" (1/1) ... [2022-11-23 13:53:27,233 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:27" (1/1) ... [2022-11-23 13:53:27,238 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:27" (1/1) ... [2022-11-23 13:53:27,240 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:27" (1/1) ... [2022-11-23 13:53:27,241 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:27" (1/1) ... [2022-11-23 13:53:27,244 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 13:53:27,245 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 13:53:27,245 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 13:53:27,245 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 13:53:27,246 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:27" (1/1) ... [2022-11-23 13:53:27,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 13:53:27,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b0a22-4fad-4068-8bfb-26be2a605669/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 13:53:27,296 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b0a22-4fad-4068-8bfb-26be2a605669/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 13:53:27,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b0a22-4fad-4068-8bfb-26be2a605669/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 13:53:27,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 13:53:27,352 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-23 13:53:27,352 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-23 13:53:27,353 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-23 13:53:27,353 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-23 13:53:27,353 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-23 13:53:27,353 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-23 13:53:27,353 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-23 13:53:27,354 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-23 13:53:27,354 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-11-23 13:53:27,354 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-11-23 13:53:27,354 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-23 13:53:27,354 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-23 13:53:27,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 13:53:27,355 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-23 13:53:27,355 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-23 13:53:27,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 13:53:27,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 13:53:27,471 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 13:53:27,474 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 13:53:27,797 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 13:53:27,963 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 13:53:27,963 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-23 13:53:27,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:53:27 BoogieIcfgContainer [2022-11-23 13:53:27,966 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 13:53:27,969 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 13:53:27,969 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 13:53:27,973 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 13:53:27,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:53:26" (1/3) ... [2022-11-23 13:53:27,974 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a421776 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:53:27, skipping insertion in model container [2022-11-23 13:53:27,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:27" (2/3) ... [2022-11-23 13:53:27,975 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a421776 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:53:27, skipping insertion in model container [2022-11-23 13:53:27,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:53:27" (3/3) ... [2022-11-23 13:53:27,976 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product28.cil.c [2022-11-23 13:53:28,017 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 13:53:28,018 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 13:53:28,078 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 13:53:28,084 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;@54656734, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 13:53:28,084 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 13:53:28,089 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 38 states have (on average 1.4473684210526316) internal successors, (55), 45 states have internal predecessors, (55), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-23 13:53:28,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-23 13:53:28,098 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:53:28,098 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:53:28,099 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:53:28,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:53:28,104 INFO L85 PathProgramCache]: Analyzing trace with hash 1065568923, now seen corresponding path program 1 times [2022-11-23 13:53:28,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:53:28,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083001374] [2022-11-23 13:53:28,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:53:28,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:53:28,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:53:28,309 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 13:53:28,310 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:53:28,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083001374] [2022-11-23 13:53:28,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083001374] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:53:28,311 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:53:28,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 13:53:28,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006674134] [2022-11-23 13:53:28,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:53:28,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 13:53:28,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:53:28,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 13:53:28,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 13:53:28,353 INFO L87 Difference]: Start difference. First operand has 59 states, 38 states have (on average 1.4473684210526316) internal successors, (55), 45 states have internal predecessors, (55), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 13:53:28,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:53:28,456 INFO L93 Difference]: Finished difference Result 116 states and 159 transitions. [2022-11-23 13:53:28,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 13:53:28,459 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2022-11-23 13:53:28,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:53:28,468 INFO L225 Difference]: With dead ends: 116 [2022-11-23 13:53:28,469 INFO L226 Difference]: Without dead ends: 54 [2022-11-23 13:53:28,473 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 13:53:28,477 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 60 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 [2022-11-23 13:53:28,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 60 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 13:53:28,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2022-11-23 13:53:28,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2022-11-23 13:53:28,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 41 states have internal predecessors, (47), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-23 13:53:28,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 70 transitions. [2022-11-23 13:53:28,545 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 70 transitions. Word has length 21 [2022-11-23 13:53:28,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:53:28,546 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 70 transitions. [2022-11-23 13:53:28,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 13:53:28,546 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2022-11-23 13:53:28,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-23 13:53:28,552 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:53:28,552 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:53:28,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 13:53:28,553 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:53:28,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:53:28,555 INFO L85 PathProgramCache]: Analyzing trace with hash -1982479530, now seen corresponding path program 1 times [2022-11-23 13:53:28,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:53:28,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406889106] [2022-11-23 13:53:28,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:53:28,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:53:28,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:53:28,720 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 13:53:28,721 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:53:28,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406889106] [2022-11-23 13:53:28,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406889106] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:53:28,722 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:53:28,722 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 13:53:28,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237935286] [2022-11-23 13:53:28,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:53:28,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 13:53:28,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:53:28,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 13:53:28,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:53:28,725 INFO L87 Difference]: Start difference. First operand 54 states and 70 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 13:53:28,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:53:28,785 INFO L93 Difference]: Finished difference Result 80 states and 102 transitions. [2022-11-23 13:53:28,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 13:53:28,787 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2022-11-23 13:53:28,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:53:28,790 INFO L225 Difference]: With dead ends: 80 [2022-11-23 13:53:28,790 INFO L226 Difference]: Without dead ends: 46 [2022-11-23 13:53:28,791 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:53:28,792 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 14 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 13:53:28,793 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 76 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 13:53:28,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-11-23 13:53:28,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2022-11-23 13:53:28,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 36 states have internal predecessors, (41), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-23 13:53:28,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 59 transitions. [2022-11-23 13:53:28,802 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 59 transitions. Word has length 22 [2022-11-23 13:53:28,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:53:28,802 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 59 transitions. [2022-11-23 13:53:28,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 13:53:28,803 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 59 transitions. [2022-11-23 13:53:28,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-23 13:53:28,805 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:53:28,805 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:53:28,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 13:53:28,806 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:53:28,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:53:28,807 INFO L85 PathProgramCache]: Analyzing trace with hash -1211078654, now seen corresponding path program 1 times [2022-11-23 13:53:28,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:53:28,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770414972] [2022-11-23 13:53:28,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:53:28,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:53:28,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:53:28,977 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 13:53:28,977 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:53:28,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770414972] [2022-11-23 13:53:28,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770414972] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:53:28,978 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:53:28,978 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 13:53:28,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344864090] [2022-11-23 13:53:28,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:53:28,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 13:53:28,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:53:28,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 13:53:28,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:53:28,981 INFO L87 Difference]: Start difference. First operand 46 states and 59 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 13:53:29,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:53:29,063 INFO L93 Difference]: Finished difference Result 134 states and 174 transitions. [2022-11-23 13:53:29,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 13:53:29,064 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 25 [2022-11-23 13:53:29,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:53:29,066 INFO L225 Difference]: With dead ends: 134 [2022-11-23 13:53:29,066 INFO L226 Difference]: Without dead ends: 90 [2022-11-23 13:53:29,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:53:29,068 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 51 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 13:53:29,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 107 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 13:53:29,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2022-11-23 13:53:29,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 87. [2022-11-23 13:53:29,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 56 states have (on average 1.375) internal successors, (77), 67 states have internal predecessors, (77), 18 states have call successors, (18), 12 states have call predecessors, (18), 12 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-23 13:53:29,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 113 transitions. [2022-11-23 13:53:29,090 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 113 transitions. Word has length 25 [2022-11-23 13:53:29,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:53:29,090 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 113 transitions. [2022-11-23 13:53:29,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 13:53:29,091 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 113 transitions. [2022-11-23 13:53:29,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-23 13:53:29,092 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:53:29,093 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:53:29,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 13:53:29,093 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:53:29,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:53:29,094 INFO L85 PathProgramCache]: Analyzing trace with hash 1707476732, now seen corresponding path program 1 times [2022-11-23 13:53:29,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:53:29,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723571032] [2022-11-23 13:53:29,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:53:29,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:53:29,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:53:29,232 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-23 13:53:29,232 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:53:29,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723571032] [2022-11-23 13:53:29,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723571032] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:53:29,233 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:53:29,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 13:53:29,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906542494] [2022-11-23 13:53:29,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:53:29,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 13:53:29,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:53:29,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 13:53:29,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 13:53:29,235 INFO L87 Difference]: Start difference. First operand 87 states and 113 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 13:53:29,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:53:29,369 INFO L93 Difference]: Finished difference Result 160 states and 207 transitions. [2022-11-23 13:53:29,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 13:53:29,370 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2022-11-23 13:53:29,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:53:29,371 INFO L225 Difference]: With dead ends: 160 [2022-11-23 13:53:29,371 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 13:53:29,372 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-23 13:53:29,378 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 26 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 13:53:29,378 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 106 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 13:53:29,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 13:53:29,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 13:53:29,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:53:29,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 13:53:29,380 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2022-11-23 13:53:29,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:53:29,381 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 13:53:29,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 13:53:29,393 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 13:53:29,394 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 13:53:29,397 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-23 13:53:29,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 13:53:29,400 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-23 13:53:29,761 INFO L902 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 803 810) the Hoare annotation is: true [2022-11-23 13:53:29,761 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 803 810) no Hoare annotation was computed. [2022-11-23 13:53:29,761 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 744 750) no Hoare annotation was computed. [2022-11-23 13:53:29,762 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 744 750) the Hoare annotation is: true [2022-11-23 13:53:29,762 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 83 94) the Hoare annotation is: true [2022-11-23 13:53:29,762 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed. [2022-11-23 13:53:29,762 INFO L895 garLoopResultBuilder]: At program point L766(line 766) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-23 13:53:29,763 INFO L895 garLoopResultBuilder]: At program point L762(line 762) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-23 13:53:29,763 INFO L899 garLoopResultBuilder]: For program point L180(lines 180 186) no Hoare annotation was computed. [2022-11-23 13:53:29,763 INFO L895 garLoopResultBuilder]: At program point L771(line 771) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-23 13:53:29,764 INFO L895 garLoopResultBuilder]: At program point L771-1(lines 752 776) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-23 13:53:29,764 INFO L895 garLoopResultBuilder]: At program point L705(line 705) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-23 13:53:29,764 INFO L895 garLoopResultBuilder]: At program point L177(line 177) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-23 13:53:29,765 INFO L899 garLoopResultBuilder]: For program point L177-1(line 177) no Hoare annotation was computed. [2022-11-23 13:53:29,766 INFO L895 garLoopResultBuilder]: At program point L731-1(lines 731 737) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-23 13:53:29,767 INFO L899 garLoopResultBuilder]: For program point L760(lines 760 768) no Hoare annotation was computed. [2022-11-23 13:53:29,768 INFO L895 garLoopResultBuilder]: At program point L756(lines 756 773) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-23 13:53:29,770 INFO L895 garLoopResultBuilder]: At program point L162(line 162) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-23 13:53:29,771 INFO L895 garLoopResultBuilder]: At program point L162-1(line 162) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-23 13:53:29,771 INFO L899 garLoopResultBuilder]: For program point L179(lines 179 189) no Hoare annotation was computed. [2022-11-23 13:53:29,771 INFO L899 garLoopResultBuilder]: For program point L724-2(lines 720 742) no Hoare annotation was computed. [2022-11-23 13:53:29,771 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 717 743) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-23 13:53:29,771 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 192) no Hoare annotation was computed. [2022-11-23 13:53:29,772 INFO L895 garLoopResultBuilder]: At program point L175-1(lines 167 195) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-23 13:53:29,772 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 717 743) no Hoare annotation was computed. [2022-11-23 13:53:29,772 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 705) no Hoare annotation was computed. [2022-11-23 13:53:29,778 INFO L902 garLoopResultBuilder]: At program point L224(lines 199 228) the Hoare annotation is: true [2022-11-23 13:53:29,778 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 199 228) no Hoare annotation was computed. [2022-11-23 13:53:29,778 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 199 228) the Hoare annotation is: true [2022-11-23 13:53:29,779 INFO L899 garLoopResultBuilder]: For program point L220(line 220) no Hoare annotation was computed. [2022-11-23 13:53:29,779 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 217) no Hoare annotation was computed. [2022-11-23 13:53:29,779 INFO L902 garLoopResultBuilder]: At program point L213-1(lines 213 217) the Hoare annotation is: true [2022-11-23 13:53:29,779 INFO L902 garLoopResultBuilder]: At program point L209-2(lines 209 223) the Hoare annotation is: true [2022-11-23 13:53:29,782 INFO L902 garLoopResultBuilder]: At program point L205(line 205) the Hoare annotation is: true [2022-11-23 13:53:29,782 INFO L899 garLoopResultBuilder]: For program point L205-1(line 205) no Hoare annotation was computed. [2022-11-23 13:53:29,783 INFO L899 garLoopResultBuilder]: For program point L890(lines 890 896) no Hoare annotation was computed. [2022-11-23 13:53:29,783 INFO L895 garLoopResultBuilder]: At program point L890-1(lines 890 896) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-23 13:53:29,783 INFO L902 garLoopResultBuilder]: At program point L973(lines 910 977) the Hoare annotation is: true [2022-11-23 13:53:29,783 INFO L899 garLoopResultBuilder]: For program point L940(lines 940 946) no Hoare annotation was computed. [2022-11-23 13:53:29,785 INFO L899 garLoopResultBuilder]: For program point L940-1(lines 940 946) no Hoare annotation was computed. [2022-11-23 13:53:29,785 INFO L895 garLoopResultBuilder]: At program point L932(line 932) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-23 13:53:29,786 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-11-23 13:53:29,786 INFO L895 garLoopResultBuilder]: At program point L970(lines 919 971) the Hoare annotation is: false [2022-11-23 13:53:29,786 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-23 13:53:29,786 INFO L899 garLoopResultBuilder]: For program point L958(lines 958 964) no Hoare annotation was computed. [2022-11-23 13:53:29,786 INFO L895 garLoopResultBuilder]: At program point L892(line 892) the Hoare annotation is: false [2022-11-23 13:53:29,787 INFO L895 garLoopResultBuilder]: At program point L958-2(lines 950 965) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-23 13:53:29,787 INFO L899 garLoopResultBuilder]: For program point L921(lines 920 969) no Hoare annotation was computed. [2022-11-23 13:53:29,787 INFO L895 garLoopResultBuilder]: At program point L950(lines 950 965) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-23 13:53:29,787 INFO L895 garLoopResultBuilder]: At program point L942(line 942) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-23 13:53:29,787 INFO L895 garLoopResultBuilder]: At program point L967(lines 920 969) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-23 13:53:29,787 INFO L899 garLoopResultBuilder]: For program point L930(lines 930 936) no Hoare annotation was computed. [2022-11-23 13:53:29,788 INFO L899 garLoopResultBuilder]: For program point L930-1(lines 930 936) no Hoare annotation was computed. [2022-11-23 13:53:29,788 INFO L895 garLoopResultBuilder]: At program point L286(lines 286 293) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-11-23 13:53:29,788 INFO L902 garLoopResultBuilder]: At program point L286-2(lines 286 293) the Hoare annotation is: true [2022-11-23 13:53:29,788 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed. [2022-11-23 13:53:29,788 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 71 82) the Hoare annotation is: true [2022-11-23 13:53:29,789 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 822 830) no Hoare annotation was computed. [2022-11-23 13:53:29,789 INFO L902 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 822 830) the Hoare annotation is: true [2022-11-23 13:53:29,793 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-23 13:53:29,796 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 13:53:29,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:53:29 BoogieIcfgContainer [2022-11-23 13:53:29,817 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 13:53:29,817 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 13:53:29,817 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 13:53:29,818 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 13:53:29,818 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:53:27" (3/4) ... [2022-11-23 13:53:29,821 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 13:53:29,827 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-23 13:53:29,827 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-23 13:53:29,828 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-23 13:53:29,828 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-23 13:53:29,828 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-23 13:53:29,828 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-23 13:53:29,828 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-11-23 13:53:29,840 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 44 nodes and edges [2022-11-23 13:53:29,841 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-23 13:53:29,841 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-23 13:53:29,842 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 13:53:29,842 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 13:53:29,871 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-11-23 13:53:29,872 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-11-23 13:53:29,875 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-11-23 13:53:29,875 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-11-23 13:53:29,876 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-11-23 13:53:29,876 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-11-23 13:53:29,921 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b0a22-4fad-4068-8bfb-26be2a605669/bin/utaipan-Q6hlc19bkW/witness.graphml [2022-11-23 13:53:29,921 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 13:53:29,922 INFO L158 Benchmark]: Toolchain (without parser) took 3255.86ms. Allocated memory is still 169.9MB. Free memory was 125.1MB in the beginning and 118.1MB in the end (delta: 7.1MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2022-11-23 13:53:29,922 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 121.6MB. Free memory is still 97.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 13:53:29,924 INFO L158 Benchmark]: CACSL2BoogieTranslator took 495.24ms. Allocated memory is still 169.9MB. Free memory was 124.6MB in the beginning and 105.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-23 13:53:29,925 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.92ms. Allocated memory is still 169.9MB. Free memory was 105.7MB in the beginning and 103.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 13:53:29,925 INFO L158 Benchmark]: Boogie Preprocessor took 30.42ms. Allocated memory is still 169.9MB. Free memory was 103.6MB in the beginning and 102.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 13:53:29,926 INFO L158 Benchmark]: RCFGBuilder took 721.78ms. Allocated memory is still 169.9MB. Free memory was 102.4MB in the beginning and 80.5MB in the end (delta: 21.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-23 13:53:29,926 INFO L158 Benchmark]: TraceAbstraction took 1847.68ms. Allocated memory is still 169.9MB. Free memory was 80.0MB in the beginning and 123.3MB in the end (delta: -43.3MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2022-11-23 13:53:29,926 INFO L158 Benchmark]: Witness Printer took 103.99ms. Allocated memory is still 169.9MB. Free memory was 123.3MB in the beginning and 118.1MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 13:53:29,929 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 121.6MB. Free memory is still 97.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 495.24ms. Allocated memory is still 169.9MB. Free memory was 124.6MB in the beginning and 105.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.92ms. Allocated memory is still 169.9MB. Free memory was 105.7MB in the beginning and 103.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.42ms. Allocated memory is still 169.9MB. Free memory was 103.6MB in the beginning and 102.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 721.78ms. Allocated memory is still 169.9MB. Free memory was 102.4MB in the beginning and 80.5MB in the end (delta: 21.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1847.68ms. Allocated memory is still 169.9MB. Free memory was 80.0MB in the beginning and 123.3MB in the end (delta: -43.3MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. * Witness Printer took 103.99ms. Allocated memory is still 169.9MB. Free memory was 123.3MB in the beginning and 118.1MB 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: 705]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 59 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 96 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 91 mSDsluCounter, 349 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 150 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 139 IncrementalHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 199 mSDtfsCounter, 139 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=3, InterpolantAutomatonStates: 14, 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, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 189 PreInvPairs, 213 NumberOfFragments, 148 HoareAnnotationTreeSize, 189 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 34 FomulaSimplificationsInter, 308 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 92 ConstructedInterpolants, 0 QuantifiedInterpolants, 150 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 8/8 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: 162]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 286]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 752]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 910]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 731]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 286]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive RESULT: Ultimate proved your program to be correct! [2022-11-23 13:53:29,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38b0a22-4fad-4068-8bfb-26be2a605669/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE