./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b 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_ce0bfebb-47dc-41d3-87db-120d063508f5/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0bfebb-47dc-41d3-87db-120d063508f5/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0bfebb-47dc-41d3-87db-120d063508f5/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0bfebb-47dc-41d3-87db-120d063508f5/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0bfebb-47dc-41d3-87db-120d063508f5/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0bfebb-47dc-41d3-87db-120d063508f5/bin/utaipan-I9t0OCRTmS --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 adc521790d868e8902785ea29b51f549e45d9404af4185d7531e4ae8ae0e6ca8 --- 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-8393723 [2022-11-19 07:55:25,696 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:55:25,699 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:55:25,745 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:55:25,747 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:55:25,749 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:55:25,751 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:55:25,757 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:55:25,760 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:55:25,762 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:55:25,763 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:55:25,766 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:55:25,768 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:55:25,772 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:55:25,777 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:55:25,779 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:55:25,781 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:55:25,788 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:55:25,790 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:55:25,792 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:55:25,798 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:55:25,800 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:55:25,801 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:55:25,804 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:55:25,808 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:55:25,815 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:55:25,816 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:55:25,817 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:55:25,819 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:55:25,821 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:55:25,821 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:55:25,822 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:55:25,824 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:55:25,826 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:55:25,828 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:55:25,829 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:55:25,830 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:55:25,830 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:55:25,830 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:55:25,832 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:55:25,832 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:55:25,834 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0bfebb-47dc-41d3-87db-120d063508f5/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-19 07:55:25,880 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:55:25,880 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:55:25,881 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:55:25,881 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:55:25,883 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:55:25,883 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:55:25,883 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:55:25,884 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:55:25,884 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:55:25,884 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:55:25,886 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:55:25,886 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:55:25,887 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:55:25,887 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:55:25,888 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:55:25,888 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:55:25,888 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:55:25,889 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:55:25,890 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:55:25,890 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 07:55:25,890 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:55:25,891 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 07:55:25,891 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:55:25,891 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:55:25,891 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:55:25,892 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:55:25,892 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 07:55:25,892 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:55:25,893 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:55:25,893 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:55:25,893 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:55:25,894 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:55:25,894 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:55:25,894 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:55:25,895 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:55:25,895 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:55:25,895 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:55:25,895 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:55:25,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:55:25,896 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:55:25,896 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:55:25,896 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_ce0bfebb-47dc-41d3-87db-120d063508f5/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0bfebb-47dc-41d3-87db-120d063508f5/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> adc521790d868e8902785ea29b51f549e45d9404af4185d7531e4ae8ae0e6ca8 [2022-11-19 07:55:26,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:55:26,295 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:55:26,298 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:55:26,299 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:55:26,300 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:55:26,302 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0bfebb-47dc-41d3-87db-120d063508f5/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c [2022-11-19 07:55:26,376 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0bfebb-47dc-41d3-87db-120d063508f5/bin/utaipan-I9t0OCRTmS/data/76c63dcc4/455ea699518944a784facc599d3cbd05/FLAGed9242f19 [2022-11-19 07:55:26,989 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:55:26,992 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0bfebb-47dc-41d3-87db-120d063508f5/sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c [2022-11-19 07:55:27,016 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0bfebb-47dc-41d3-87db-120d063508f5/bin/utaipan-I9t0OCRTmS/data/76c63dcc4/455ea699518944a784facc599d3cbd05/FLAGed9242f19 [2022-11-19 07:55:27,269 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0bfebb-47dc-41d3-87db-120d063508f5/bin/utaipan-I9t0OCRTmS/data/76c63dcc4/455ea699518944a784facc599d3cbd05 [2022-11-19 07:55:27,273 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:55:27,276 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:55:27,279 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:55:27,279 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:55:27,283 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:55:27,284 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:55:27" (1/1) ... [2022-11-19 07:55:27,286 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ee8847f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:27, skipping insertion in model container [2022-11-19 07:55:27,286 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:55:27" (1/1) ... [2022-11-19 07:55:27,295 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:55:27,350 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:55:27,741 WARN L234 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_ce0bfebb-47dc-41d3-87db-120d063508f5/sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c[14923,14936] [2022-11-19 07:55:27,770 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:55:27,778 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:55:27,831 WARN L234 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_ce0bfebb-47dc-41d3-87db-120d063508f5/sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c[14923,14936] [2022-11-19 07:55:27,838 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:55:27,855 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:55:27,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:27 WrapperNode [2022-11-19 07:55:27,855 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:55:27,856 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:55:27,857 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:55:27,857 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:55:27,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:27" (1/1) ... [2022-11-19 07:55:27,880 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:27" (1/1) ... [2022-11-19 07:55:27,917 INFO L138 Inliner]: procedures = 52, calls = 95, calls flagged for inlining = 19, calls inlined = 16, statements flattened = 151 [2022-11-19 07:55:27,918 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:55:27,918 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:55:27,919 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:55:27,919 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:55:27,925 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:27" (1/1) ... [2022-11-19 07:55:27,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:27" (1/1) ... [2022-11-19 07:55:27,928 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:27" (1/1) ... [2022-11-19 07:55:27,928 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:27" (1/1) ... [2022-11-19 07:55:27,932 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:27" (1/1) ... [2022-11-19 07:55:27,937 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:27" (1/1) ... [2022-11-19 07:55:27,938 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:27" (1/1) ... [2022-11-19 07:55:27,939 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:27" (1/1) ... [2022-11-19 07:55:27,944 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:55:27,946 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:55:27,946 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:55:27,946 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:55:27,947 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:27" (1/1) ... [2022-11-19 07:55:27,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:55:27,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0bfebb-47dc-41d3-87db-120d063508f5/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:55:28,016 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0bfebb-47dc-41d3-87db-120d063508f5/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:55:28,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0bfebb-47dc-41d3-87db-120d063508f5/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:55:28,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:55:28,080 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-19 07:55:28,080 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-19 07:55:28,080 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-19 07:55:28,080 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-19 07:55:28,080 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-19 07:55:28,081 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-19 07:55:28,081 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-19 07:55:28,081 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-19 07:55:28,081 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-19 07:55:28,082 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-19 07:55:28,082 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-19 07:55:28,082 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-19 07:55:28,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:55:28,082 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-19 07:55:28,083 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-19 07:55:28,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:55:28,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:55:28,204 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:55:28,207 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:55:28,458 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:55:28,610 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:55:28,610 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-19 07:55:28,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:55:28 BoogieIcfgContainer [2022-11-19 07:55:28,622 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:55:28,625 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:55:28,625 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:55:28,629 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:55:28,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:55:27" (1/3) ... [2022-11-19 07:55:28,630 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c9e2abf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:55:28, skipping insertion in model container [2022-11-19 07:55:28,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:55:27" (2/3) ... [2022-11-19 07:55:28,631 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c9e2abf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:55:28, skipping insertion in model container [2022-11-19 07:55:28,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:55:28" (3/3) ... [2022-11-19 07:55:28,635 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product08.cil.c [2022-11-19 07:55:28,657 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:55:28,657 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 07:55:28,736 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:55:28,745 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;@2b95cf53, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:55:28,745 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 07:55:28,750 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 37 states have (on average 1.4324324324324325) internal successors, (53), 44 states have internal predecessors, (53), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-19 07:55:28,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-19 07:55:28,761 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:55:28,762 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:55:28,763 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:55:28,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:55:28,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1022019715, now seen corresponding path program 1 times [2022-11-19 07:55:28,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:55:28,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428207949] [2022-11-19 07:55:28,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:55:28,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:55:28,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:55:29,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:55:29,037 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:55:29,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428207949] [2022-11-19 07:55:29,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428207949] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:55:29,039 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:55:29,039 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:55:29,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563617891] [2022-11-19 07:55:29,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:55:29,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-19 07:55:29,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:55:29,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-19 07:55:29,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 07:55:29,087 INFO L87 Difference]: Start difference. First operand has 58 states, 37 states have (on average 1.4324324324324325) internal successors, (53), 44 states have internal predecessors, (53), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 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) [2022-11-19 07:55:29,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:55:29,185 INFO L93 Difference]: Finished difference Result 114 states and 155 transitions. [2022-11-19 07:55:29,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-19 07:55:29,188 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 [2022-11-19 07:55:29,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:55:29,196 INFO L225 Difference]: With dead ends: 114 [2022-11-19 07:55:29,196 INFO L226 Difference]: Without dead ends: 53 [2022-11-19 07:55:29,200 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 [2022-11-19 07:55:29,203 INFO L413 NwaCegarLoop]: 58 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, 58 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 [2022-11-19 07:55:29,204 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 58 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:55:29,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-11-19 07:55:29,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2022-11-19 07:55:29,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 40 states have internal predecessors, (45), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-19 07:55:29,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 68 transitions. [2022-11-19 07:55:29,248 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 68 transitions. Word has length 16 [2022-11-19 07:55:29,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:55:29,249 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 68 transitions. [2022-11-19 07:55:29,249 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) [2022-11-19 07:55:29,249 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions. [2022-11-19 07:55:29,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-19 07:55:29,251 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:55:29,252 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:55:29,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:55:29,252 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:55:29,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:55:29,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1378221573, now seen corresponding path program 1 times [2022-11-19 07:55:29,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:55:29,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999723689] [2022-11-19 07:55:29,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:55:29,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:55:29,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:55:29,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:55:29,338 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:55:29,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999723689] [2022-11-19 07:55:29,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999723689] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:55:29,338 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:55:29,339 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:55:29,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138675718] [2022-11-19 07:55:29,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:55:29,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:55:29,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:55:29,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:55:29,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:55:29,341 INFO L87 Difference]: Start difference. First operand 53 states and 68 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) [2022-11-19 07:55:29,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:55:29,383 INFO L93 Difference]: Finished difference Result 78 states and 98 transitions. [2022-11-19 07:55:29,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:55:29,383 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 [2022-11-19 07:55:29,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:55:29,385 INFO L225 Difference]: With dead ends: 78 [2022-11-19 07:55:29,385 INFO L226 Difference]: Without dead ends: 45 [2022-11-19 07:55:29,386 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 [2022-11-19 07:55:29,387 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 14 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 72 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 [2022-11-19 07:55:29,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 72 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 07:55:29,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-11-19 07:55:29,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2022-11-19 07:55:29,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 35 states have internal predecessors, (39), 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) [2022-11-19 07:55:29,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 57 transitions. [2022-11-19 07:55:29,398 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 57 transitions. Word has length 17 [2022-11-19 07:55:29,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:55:29,398 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 57 transitions. [2022-11-19 07:55:29,398 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) [2022-11-19 07:55:29,399 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 57 transitions. [2022-11-19 07:55:29,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-19 07:55:29,400 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:55:29,400 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] [2022-11-19 07:55:29,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:55:29,400 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:55:29,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:55:29,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1713274872, now seen corresponding path program 1 times [2022-11-19 07:55:29,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:55:29,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386971345] [2022-11-19 07:55:29,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:55:29,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:55:29,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:55:29,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:55:29,517 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:55:29,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386971345] [2022-11-19 07:55:29,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386971345] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:55:29,518 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:55:29,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:55:29,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334672897] [2022-11-19 07:55:29,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:55:29,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:55:29,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:55:29,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:55:29,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:55:29,520 INFO L87 Difference]: Start difference. First operand 45 states and 57 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 07:55:29,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:55:29,618 INFO L93 Difference]: Finished difference Result 121 states and 154 transitions. [2022-11-19 07:55:29,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 07:55:29,621 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2022-11-19 07:55:29,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:55:29,623 INFO L225 Difference]: With dead ends: 121 [2022-11-19 07:55:29,624 INFO L226 Difference]: Without dead ends: 78 [2022-11-19 07:55:29,624 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:55:29,626 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 80 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:55:29,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 115 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:55:29,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-11-19 07:55:29,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 75. [2022-11-19 07:55:29,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 49 states have (on average 1.346938775510204) internal successors, (66), 58 states have internal predecessors, (66), 14 states have call successors, (14), 11 states have call predecessors, (14), 11 states have return successors, (15), 11 states have call predecessors, (15), 14 states have call successors, (15) [2022-11-19 07:55:29,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 95 transitions. [2022-11-19 07:55:29,659 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 95 transitions. Word has length 20 [2022-11-19 07:55:29,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:55:29,660 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 95 transitions. [2022-11-19 07:55:29,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 07:55:29,660 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 95 transitions. [2022-11-19 07:55:29,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-19 07:55:29,661 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:55:29,661 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] [2022-11-19 07:55:29,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 07:55:29,662 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:55:29,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:55:29,666 INFO L85 PathProgramCache]: Analyzing trace with hash -402253638, now seen corresponding path program 1 times [2022-11-19 07:55:29,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:55:29,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123639985] [2022-11-19 07:55:29,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:55:29,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:55:29,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:55:29,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:55:29,838 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:55:29,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123639985] [2022-11-19 07:55:29,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123639985] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:55:29,839 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:55:29,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:55:29,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234009374] [2022-11-19 07:55:29,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:55:29,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:55:29,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:55:29,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:55:29,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:55:29,841 INFO L87 Difference]: Start difference. First operand 75 states and 95 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (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) [2022-11-19 07:55:29,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:55:29,903 INFO L93 Difference]: Finished difference Result 139 states and 179 transitions. [2022-11-19 07:55:29,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:55:29,904 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (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 23 [2022-11-19 07:55:29,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:55:29,904 INFO L225 Difference]: With dead ends: 139 [2022-11-19 07:55:29,904 INFO L226 Difference]: Without dead ends: 0 [2022-11-19 07:55:29,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:55:29,907 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 25 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:55:29,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 55 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 07:55:29,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-19 07:55:29,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-19 07:55:29,909 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) [2022-11-19 07:55:29,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-19 07:55:29,909 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2022-11-19 07:55:29,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:55:29,909 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-19 07:55:29,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (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) [2022-11-19 07:55:29,910 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-19 07:55:29,910 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-19 07:55:29,912 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-19 07:55:29,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 07:55:29,915 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-19 07:55:30,304 INFO L902 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 201 208) the Hoare annotation is: true [2022-11-19 07:55:30,304 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 201 208) no Hoare annotation was computed. [2022-11-19 07:55:30,305 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 160 166) no Hoare annotation was computed. [2022-11-19 07:55:30,305 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 160 166) the Hoare annotation is: true [2022-11-19 07:55:30,306 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 851 862) the Hoare annotation is: true [2022-11-19 07:55:30,306 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 851 862) no Hoare annotation was computed. [2022-11-19 07:55:30,306 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 863 871) the Hoare annotation is: true [2022-11-19 07:55:30,307 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 863 871) no Hoare annotation was computed. [2022-11-19 07:55:30,307 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 703 732) no Hoare annotation was computed. [2022-11-19 07:55:30,307 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 703 732) the Hoare annotation is: true [2022-11-19 07:55:30,308 INFO L902 garLoopResultBuilder]: At program point L728(lines 703 732) the Hoare annotation is: true [2022-11-19 07:55:30,308 INFO L899 garLoopResultBuilder]: For program point L724(line 724) no Hoare annotation was computed. [2022-11-19 07:55:30,308 INFO L899 garLoopResultBuilder]: For program point L717(lines 717 721) no Hoare annotation was computed. [2022-11-19 07:55:30,308 INFO L902 garLoopResultBuilder]: At program point L717-1(lines 717 721) the Hoare annotation is: true [2022-11-19 07:55:30,310 INFO L902 garLoopResultBuilder]: At program point L713-2(lines 713 727) the Hoare annotation is: true [2022-11-19 07:55:30,311 INFO L902 garLoopResultBuilder]: At program point L709(line 709) the Hoare annotation is: true [2022-11-19 07:55:30,311 INFO L899 garLoopResultBuilder]: For program point L709-1(line 709) no Hoare annotation was computed. [2022-11-19 07:55:30,314 INFO L899 garLoopResultBuilder]: For program point L147-1(lines 147 153) no Hoare annotation was computed. [2022-11-19 07:55:30,314 INFO L899 garLoopResultBuilder]: For program point L176(lines 176 184) no Hoare annotation was computed. [2022-11-19 07:55:30,315 INFO L899 garLoopResultBuilder]: For program point L172(lines 172 189) no Hoare annotation was computed. [2022-11-19 07:55:30,315 INFO L895 garLoopResultBuilder]: At program point L804(line 804) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-19 07:55:30,315 INFO L899 garLoopResultBuilder]: For program point L804-1(line 804) no Hoare annotation was computed. [2022-11-19 07:55:30,316 INFO L895 garLoopResultBuilder]: At program point L697(line 697) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-19 07:55:30,317 INFO L895 garLoopResultBuilder]: At program point L214(line 214) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-19 07:55:30,318 INFO L895 garLoopResultBuilder]: At program point L214-1(line 214) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-19 07:55:30,318 INFO L899 garLoopResultBuilder]: For program point L140-1(lines 139 158) no Hoare annotation was computed. [2022-11-19 07:55:30,322 INFO L895 garLoopResultBuilder]: At program point L182(line 182) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-19 07:55:30,323 INFO L895 garLoopResultBuilder]: At program point L178(line 178) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-19 07:55:30,323 INFO L899 garLoopResultBuilder]: For program point L810(lines 810 816) no Hoare annotation was computed. [2022-11-19 07:55:30,323 INFO L895 garLoopResultBuilder]: At program point L806(lines 806 819) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-19 07:55:30,323 INFO L895 garLoopResultBuilder]: At program point L806-1(lines 798 822) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-19 07:55:30,323 INFO L895 garLoopResultBuilder]: At program point L187(line 187) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2022-11-19 07:55:30,324 INFO L895 garLoopResultBuilder]: At program point L187-1(lines 168 192) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2022-11-19 07:55:30,324 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 136 159) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-19 07:55:30,324 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 136 159) no Hoare annotation was computed. [2022-11-19 07:55:30,324 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 697) no Hoare annotation was computed. [2022-11-19 07:55:30,324 INFO L895 garLoopResultBuilder]: At program point L271(line 271) the Hoare annotation is: false [2022-11-19 07:55:30,325 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-11-19 07:55:30,325 INFO L902 garLoopResultBuilder]: At program point L119(lines 56 123) the Hoare annotation is: true [2022-11-19 07:55:30,325 INFO L899 garLoopResultBuilder]: For program point L86(lines 86 92) no Hoare annotation was computed. [2022-11-19 07:55:30,325 INFO L899 garLoopResultBuilder]: For program point L86-1(lines 86 92) no Hoare annotation was computed. [2022-11-19 07:55:30,325 INFO L895 garLoopResultBuilder]: At program point L784(lines 784 791) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~5#1| 1) (not (= 0 ~systemActive~0))) [2022-11-19 07:55:30,325 INFO L895 garLoopResultBuilder]: At program point L78(line 78) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~5#1| 1)) [2022-11-19 07:55:30,326 INFO L902 garLoopResultBuilder]: At program point L784-2(lines 784 791) the Hoare annotation is: true [2022-11-19 07:55:30,326 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-19 07:55:30,326 INFO L895 garLoopResultBuilder]: At program point L116(lines 65 117) the Hoare annotation is: false [2022-11-19 07:55:30,326 INFO L899 garLoopResultBuilder]: For program point L269(lines 269 275) no Hoare annotation was computed. [2022-11-19 07:55:30,326 INFO L895 garLoopResultBuilder]: At program point L269-1(lines 269 275) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~5#1| 1)) [2022-11-19 07:55:30,326 INFO L899 garLoopResultBuilder]: For program point L104(lines 104 110) no Hoare annotation was computed. [2022-11-19 07:55:30,327 INFO L895 garLoopResultBuilder]: At program point L104-2(lines 96 111) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~5#1| 1)) [2022-11-19 07:55:30,327 INFO L899 garLoopResultBuilder]: For program point L67(lines 66 115) no Hoare annotation was computed. [2022-11-19 07:55:30,327 INFO L895 garLoopResultBuilder]: At program point L96(lines 96 111) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~5#1| 1)) [2022-11-19 07:55:30,327 INFO L895 garLoopResultBuilder]: At program point L88(line 88) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~5#1| 1)) [2022-11-19 07:55:30,327 INFO L895 garLoopResultBuilder]: At program point L113(lines 66 115) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~5#1| 1)) [2022-11-19 07:55:30,328 INFO L899 garLoopResultBuilder]: For program point L76(lines 76 82) no Hoare annotation was computed. [2022-11-19 07:55:30,328 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 76 82) no Hoare annotation was computed. [2022-11-19 07:55:30,328 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 839 850) no Hoare annotation was computed. [2022-11-19 07:55:30,328 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 839 850) the Hoare annotation is: true [2022-11-19 07:55:30,331 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-19 07:55:30,333 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 07:55:30,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:55:30 BoogieIcfgContainer [2022-11-19 07:55:30,354 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 07:55:30,355 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 07:55:30,355 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 07:55:30,355 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 07:55:30,356 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:55:28" (3/4) ... [2022-11-19 07:55:30,358 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 07:55:30,364 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-19 07:55:30,364 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-19 07:55:30,364 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-19 07:55:30,365 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-19 07:55:30,365 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-19 07:55:30,365 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-19 07:55:30,365 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-19 07:55:30,376 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2022-11-19 07:55:30,377 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-19 07:55:30,377 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-19 07:55:30,378 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 07:55:30,378 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 07:55:30,411 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-11-19 07:55:30,414 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) [2022-11-19 07:55:30,415 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-11-19 07:55:30,415 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-11-19 07:55:30,416 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-11-19 07:55:30,416 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-11-19 07:55:30,463 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0bfebb-47dc-41d3-87db-120d063508f5/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 07:55:30,463 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 07:55:30,464 INFO L158 Benchmark]: Toolchain (without parser) took 3188.53ms. Allocated memory is still 148.9MB. Free memory was 119.7MB in the beginning and 90.1MB in the end (delta: 29.7MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. [2022-11-19 07:55:30,465 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 96.5MB. Free memory was 53.5MB in the beginning and 53.4MB in the end (delta: 91.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:55:30,465 INFO L158 Benchmark]: CACSL2BoogieTranslator took 576.66ms. Allocated memory is still 148.9MB. Free memory was 119.7MB in the beginning and 117.4MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-19 07:55:30,466 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.51ms. Allocated memory is still 148.9MB. Free memory was 117.4MB in the beginning and 115.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:55:30,466 INFO L158 Benchmark]: Boogie Preprocessor took 25.49ms. Allocated memory is still 148.9MB. Free memory was 115.2MB in the beginning and 113.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:55:30,466 INFO L158 Benchmark]: RCFGBuilder took 676.38ms. Allocated memory is still 148.9MB. Free memory was 113.6MB in the beginning and 94.0MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-19 07:55:30,467 INFO L158 Benchmark]: TraceAbstraction took 1729.70ms. Allocated memory is still 148.9MB. Free memory was 93.2MB in the beginning and 95.3MB in the end (delta: -2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:55:30,467 INFO L158 Benchmark]: Witness Printer took 108.68ms. Allocated memory is still 148.9MB. Free memory was 95.3MB in the beginning and 90.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-19 07:55:30,470 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 96.5MB. Free memory was 53.5MB in the beginning and 53.4MB in the end (delta: 91.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 576.66ms. Allocated memory is still 148.9MB. Free memory was 119.7MB in the beginning and 117.4MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.51ms. Allocated memory is still 148.9MB. Free memory was 117.4MB in the beginning and 115.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.49ms. Allocated memory is still 148.9MB. Free memory was 115.2MB in the beginning and 113.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 676.38ms. Allocated memory is still 148.9MB. Free memory was 113.6MB in the beginning and 94.0MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1729.70ms. Allocated memory is still 148.9MB. Free memory was 93.2MB in the beginning and 95.3MB in the end (delta: -2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 108.68ms. Allocated memory is still 148.9MB. Free memory was 95.3MB in the beginning and 90.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 697]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 58 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 127 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 119 mSDsluCounter, 300 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 118 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 107 IncrementalHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 182 mSDtfsCounter, 107 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred 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, 33 LocationsWithAnnotation, 172 PreInvPairs, 200 NumberOfFragments, 164 HoareAnnotationTreeSize, 172 FomulaSimplifications, 45 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 33 FomulaSimplificationsInter, 306 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 76 NumberOfCodeBlocks, 76 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 72 ConstructedInterpolants, 0 QuantifiedInterpolants, 125 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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: 214]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 713]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 806]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 798]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 697]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && splverifierCounter == 0) && tmp == 1 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && splverifierCounter == 0) && tmp == 1 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 269]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && splverifierCounter == 0) && tmp == 1 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && tmp == 1) && !(0 == systemActive) RESULT: Ultimate proved your program to be correct! [2022-11-19 07:55:30,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce0bfebb-47dc-41d3-87db-120d063508f5/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE