./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product18.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_6f70c044-f51a-4113-90f9-6e5c2f137afe/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f70c044-f51a-4113-90f9-6e5c2f137afe/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_6f70c044-f51a-4113-90f9-6e5c2f137afe/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f70c044-f51a-4113-90f9-6e5c2f137afe/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f70c044-f51a-4113-90f9-6e5c2f137afe/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_6f70c044-f51a-4113-90f9-6e5c2f137afe/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 b3bc776f8f5972cbaf9bdebb0620ca1daa854c7cfc4ed6bea81257c061a12aef --- 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 07:56:50,098 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:56:50,100 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:56:50,131 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:56:50,131 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:56:50,135 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:56:50,138 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:56:50,143 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:56:50,145 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:56:50,151 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:56:50,153 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:56:50,156 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:56:50,156 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:56:50,159 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:56:50,161 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:56:50,163 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:56:50,165 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:56:50,166 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:56:50,168 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:56:50,175 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:56:50,177 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:56:50,179 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:56:50,182 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:56:50,183 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:56:50,191 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:56:50,192 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:56:50,192 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:56:50,194 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:56:50,195 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:56:50,196 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:56:50,197 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:56:50,198 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:56:50,200 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:56:50,201 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:56:50,202 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:56:50,202 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:56:50,203 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:56:50,204 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:56:50,204 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:56:50,205 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:56:50,206 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:56:50,206 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f70c044-f51a-4113-90f9-6e5c2f137afe/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-19 07:56:50,246 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:56:50,247 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:56:50,247 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:56:50,248 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:56:50,249 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:56:50,249 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:56:50,249 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:56:50,250 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:56:50,250 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:56:50,250 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:56:50,251 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:56:50,252 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:56:50,252 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:56:50,252 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:56:50,252 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:56:50,253 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:56:50,253 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:56:50,253 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:56:50,254 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:56:50,254 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 07:56:50,254 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:56:50,255 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 07:56:50,255 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:56:50,256 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:56:50,257 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:56:50,257 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:56:50,257 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 07:56:50,257 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:56:50,258 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:56:50,258 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:56:50,258 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:56:50,259 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:56:50,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:56:50,259 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:56:50,259 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:56:50,260 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:56:50,260 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:56:50,260 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:56:50,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:56:50,261 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:56:50,261 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:56:50,261 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_6f70c044-f51a-4113-90f9-6e5c2f137afe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f70c044-f51a-4113-90f9-6e5c2f137afe/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3bc776f8f5972cbaf9bdebb0620ca1daa854c7cfc4ed6bea81257c061a12aef [2022-11-19 07:56:50,554 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:56:50,596 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:56:50,599 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:56:50,600 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:56:50,601 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:56:50,603 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f70c044-f51a-4113-90f9-6e5c2f137afe/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c [2022-11-19 07:56:50,677 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f70c044-f51a-4113-90f9-6e5c2f137afe/bin/utaipan-I9t0OCRTmS/data/65bbd18c0/9c9da129460e4726a87386f80e14fffe/FLAGa327c5138 [2022-11-19 07:56:51,217 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:56:51,218 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f70c044-f51a-4113-90f9-6e5c2f137afe/sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c [2022-11-19 07:56:51,242 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f70c044-f51a-4113-90f9-6e5c2f137afe/bin/utaipan-I9t0OCRTmS/data/65bbd18c0/9c9da129460e4726a87386f80e14fffe/FLAGa327c5138 [2022-11-19 07:56:51,546 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f70c044-f51a-4113-90f9-6e5c2f137afe/bin/utaipan-I9t0OCRTmS/data/65bbd18c0/9c9da129460e4726a87386f80e14fffe [2022-11-19 07:56:51,549 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:56:51,550 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:56:51,556 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:56:51,556 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:56:51,560 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:56:51,561 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:56:51" (1/1) ... [2022-11-19 07:56:51,562 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e327e0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:51, skipping insertion in model container [2022-11-19 07:56:51,563 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:56:51" (1/1) ... [2022-11-19 07:56:51,570 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:56:51,610 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:56:51,880 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_6f70c044-f51a-4113-90f9-6e5c2f137afe/sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c[7979,7992] [2022-11-19 07:56:51,966 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:56:51,984 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:56:52,013 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_6f70c044-f51a-4113-90f9-6e5c2f137afe/sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c[7979,7992] [2022-11-19 07:56:52,044 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:56:52,062 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:56:52,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:52 WrapperNode [2022-11-19 07:56:52,062 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:56:52,064 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:56:52,064 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:56:52,064 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:56:52,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:52" (1/1) ... [2022-11-19 07:56:52,091 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:52" (1/1) ... [2022-11-19 07:56:52,135 INFO L138 Inliner]: procedures = 53, calls = 94, calls flagged for inlining = 22, calls inlined = 18, statements flattened = 166 [2022-11-19 07:56:52,135 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:56:52,136 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:56:52,137 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:56:52,137 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:56:52,148 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:52" (1/1) ... [2022-11-19 07:56:52,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:52" (1/1) ... [2022-11-19 07:56:52,162 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:52" (1/1) ... [2022-11-19 07:56:52,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:52" (1/1) ... [2022-11-19 07:56:52,166 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:52" (1/1) ... [2022-11-19 07:56:52,193 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:52" (1/1) ... [2022-11-19 07:56:52,195 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:52" (1/1) ... [2022-11-19 07:56:52,196 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:52" (1/1) ... [2022-11-19 07:56:52,198 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:56:52,199 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:56:52,199 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:56:52,199 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:56:52,200 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:52" (1/1) ... [2022-11-19 07:56:52,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:56:52,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f70c044-f51a-4113-90f9-6e5c2f137afe/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:56:52,260 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f70c044-f51a-4113-90f9-6e5c2f137afe/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:56:52,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f70c044-f51a-4113-90f9-6e5c2f137afe/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:56:52,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:56:52,322 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-19 07:56:52,323 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-19 07:56:52,323 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-19 07:56:52,323 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-19 07:56:52,323 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-19 07:56:52,323 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-19 07:56:52,323 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-19 07:56:52,323 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-19 07:56:52,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:56:52,324 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-19 07:56:52,324 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-19 07:56:52,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:56:52,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:56:52,438 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:56:52,440 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:56:52,657 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:56:52,878 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:56:52,878 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-19 07:56:52,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:56:52 BoogieIcfgContainer [2022-11-19 07:56:52,897 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:56:52,900 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:56:52,900 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:56:52,904 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:56:52,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:56:51" (1/3) ... [2022-11-19 07:56:52,905 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e1fc6f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:56:52, skipping insertion in model container [2022-11-19 07:56:52,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:52" (2/3) ... [2022-11-19 07:56:52,905 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e1fc6f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:56:52, skipping insertion in model container [2022-11-19 07:56:52,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:56:52" (3/3) ... [2022-11-19 07:56:52,907 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product18.cil.c [2022-11-19 07:56:52,927 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:56:52,927 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 07:56:52,981 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:56:52,988 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;@1932ceeb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:56:52,988 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 07:56:52,993 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 29 states have (on average 1.4482758620689655) internal successors, (42), 35 states have internal predecessors, (42), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-19 07:56:53,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-19 07:56:53,001 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:56:53,002 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:56:53,003 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:56:53,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:56:53,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1250184976, now seen corresponding path program 1 times [2022-11-19 07:56:53,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:56:53,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075000211] [2022-11-19 07:56:53,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:56:53,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:56:53,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:56:53,322 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 07:56:53,324 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:56:53,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075000211] [2022-11-19 07:56:53,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075000211] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:56:53,326 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:56:53,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:56:53,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870871753] [2022-11-19 07:56:53,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:56:53,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-19 07:56:53,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:56:53,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-19 07:56:53,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 07:56:53,374 INFO L87 Difference]: Start difference. First operand has 44 states, 29 states have (on average 1.4482758620689655) internal successors, (42), 35 states have internal predecessors, (42), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:56:53,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:56:53,439 INFO L93 Difference]: Finished difference Result 86 states and 117 transitions. [2022-11-19 07:56:53,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-19 07:56:53,442 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-19 07:56:53,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:56:53,451 INFO L225 Difference]: With dead ends: 86 [2022-11-19 07:56:53,451 INFO L226 Difference]: Without dead ends: 39 [2022-11-19 07:56:53,455 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 07:56:53,458 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:56:53,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 07:56:53,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-11-19 07:56:53,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2022-11-19 07:56:53,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 26 states have (on average 1.3076923076923077) internal successors, (34), 31 states have internal predecessors, (34), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-19 07:56:53,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 49 transitions. [2022-11-19 07:56:53,504 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 49 transitions. Word has length 12 [2022-11-19 07:56:53,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:56:53,504 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 49 transitions. [2022-11-19 07:56:53,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:56:53,505 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2022-11-19 07:56:53,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-19 07:56:53,507 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:56:53,508 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:56:53,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:56:53,508 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:56:53,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:56:53,510 INFO L85 PathProgramCache]: Analyzing trace with hash -1460556167, now seen corresponding path program 1 times [2022-11-19 07:56:53,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:56:53,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999155379] [2022-11-19 07:56:53,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:56:53,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:56:53,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:56:53,634 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 07:56:53,634 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:56:53,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999155379] [2022-11-19 07:56:53,635 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999155379] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:56:53,635 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:56:53,635 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:56:53,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317354881] [2022-11-19 07:56:53,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:56:53,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:56:53,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:56:53,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:56:53,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:56:53,638 INFO L87 Difference]: Start difference. First operand 39 states and 49 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:56:53,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:56:53,702 INFO L93 Difference]: Finished difference Result 55 states and 69 transitions. [2022-11-19 07:56:53,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:56:53,704 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-19 07:56:53,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:56:53,705 INFO L225 Difference]: With dead ends: 55 [2022-11-19 07:56:53,705 INFO L226 Difference]: Without dead ends: 31 [2022-11-19 07:56:53,706 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 07:56:53,707 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 7 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:56:53,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 43 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:56:53,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-11-19 07:56:53,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2022-11-19 07:56:53,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 26 states have internal predecessors, (28), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-19 07:56:53,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 38 transitions. [2022-11-19 07:56:53,714 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 38 transitions. Word has length 13 [2022-11-19 07:56:53,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:56:53,715 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 38 transitions. [2022-11-19 07:56:53,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:56:53,715 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2022-11-19 07:56:53,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-19 07:56:53,716 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:56:53,716 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:56:53,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:56:53,717 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:56:53,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:56:53,717 INFO L85 PathProgramCache]: Analyzing trace with hash -2020981889, now seen corresponding path program 1 times [2022-11-19 07:56:53,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:56:53,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085559513] [2022-11-19 07:56:53,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:56:53,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:56:53,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:56:53,973 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 07:56:53,974 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:56:53,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085559513] [2022-11-19 07:56:53,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085559513] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:56:53,976 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:56:53,976 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:56:53,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707645048] [2022-11-19 07:56:53,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:56:53,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:56:53,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:56:53,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:56:53,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:56:53,980 INFO L87 Difference]: Start difference. First operand 31 states and 38 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:56:54,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:56:54,085 INFO L93 Difference]: Finished difference Result 60 states and 75 transitions. [2022-11-19 07:56:54,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:56:54,086 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-19 07:56:54,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:56:54,087 INFO L225 Difference]: With dead ends: 60 [2022-11-19 07:56:54,088 INFO L226 Difference]: Without dead ends: 31 [2022-11-19 07:56:54,088 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:56:54,090 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 28 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:56:54,091 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 29 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:56:54,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-11-19 07:56:54,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2022-11-19 07:56:54,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 26 states have internal predecessors, (27), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-19 07:56:54,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 37 transitions. [2022-11-19 07:56:54,100 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 37 transitions. Word has length 15 [2022-11-19 07:56:54,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:56:54,100 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 37 transitions. [2022-11-19 07:56:54,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:56:54,101 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions. [2022-11-19 07:56:54,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-19 07:56:54,101 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:56:54,102 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:56:54,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 07:56:54,102 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:56:54,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:56:54,103 INFO L85 PathProgramCache]: Analyzing trace with hash 203222120, now seen corresponding path program 1 times [2022-11-19 07:56:54,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:56:54,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882238146] [2022-11-19 07:56:54,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:56:54,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:56:54,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:56:54,415 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 07:56:54,416 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:56:54,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882238146] [2022-11-19 07:56:54,416 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882238146] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:56:54,416 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:56:54,417 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:56:54,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242748823] [2022-11-19 07:56:54,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:56:54,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:56:54,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:56:54,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:56:54,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:56:54,419 INFO L87 Difference]: Start difference. First operand 31 states and 37 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:56:54,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:56:54,583 INFO L93 Difference]: Finished difference Result 122 states and 148 transitions. [2022-11-19 07:56:54,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 07:56:54,584 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-19 07:56:54,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:56:54,585 INFO L225 Difference]: With dead ends: 122 [2022-11-19 07:56:54,586 INFO L226 Difference]: Without dead ends: 93 [2022-11-19 07:56:54,587 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-19 07:56:54,588 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 72 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:56:54,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 98 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:56:54,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-11-19 07:56:54,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 85. [2022-11-19 07:56:54,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 60 states have (on average 1.2833333333333334) internal successors, (77), 68 states have internal predecessors, (77), 12 states have call successors, (12), 11 states have call predecessors, (12), 12 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2022-11-19 07:56:54,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 103 transitions. [2022-11-19 07:56:54,617 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 103 transitions. Word has length 18 [2022-11-19 07:56:54,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:56:54,617 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 103 transitions. [2022-11-19 07:56:54,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:56:54,618 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 103 transitions. [2022-11-19 07:56:54,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-19 07:56:54,619 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:56:54,619 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 07:56:54,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 07:56:54,620 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:56:54,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:56:54,621 INFO L85 PathProgramCache]: Analyzing trace with hash -2113682411, now seen corresponding path program 1 times [2022-11-19 07:56:54,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:56:54,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218352822] [2022-11-19 07:56:54,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:56:54,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:56:54,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:56:54,723 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 07:56:54,724 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:56:54,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218352822] [2022-11-19 07:56:54,724 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218352822] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:56:54,724 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:56:54,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:56:54,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549218650] [2022-11-19 07:56:54,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:56:54,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:56:54,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:56:54,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:56:54,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:56:54,727 INFO L87 Difference]: Start difference. First operand 85 states and 103 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 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 07:56:54,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:56:54,914 INFO L93 Difference]: Finished difference Result 217 states and 270 transitions. [2022-11-19 07:56:54,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 07:56:54,915 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 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 20 [2022-11-19 07:56:54,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:56:54,921 INFO L225 Difference]: With dead ends: 217 [2022-11-19 07:56:54,922 INFO L226 Difference]: Without dead ends: 134 [2022-11-19 07:56:54,924 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-19 07:56:54,927 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 50 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:56:54,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 129 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:56:54,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2022-11-19 07:56:54,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 117. [2022-11-19 07:56:54,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 82 states have (on average 1.2439024390243902) internal successors, (102), 91 states have internal predecessors, (102), 17 states have call successors, (17), 17 states have call predecessors, (17), 17 states have return successors, (22), 16 states have call predecessors, (22), 17 states have call successors, (22) [2022-11-19 07:56:54,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 141 transitions. [2022-11-19 07:56:54,985 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 141 transitions. Word has length 20 [2022-11-19 07:56:54,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:56:54,985 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 141 transitions. [2022-11-19 07:56:54,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 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 07:56:54,986 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 141 transitions. [2022-11-19 07:56:54,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-19 07:56:54,987 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:56:54,987 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 07:56:54,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 07:56:54,987 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:56:54,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:56:54,988 INFO L85 PathProgramCache]: Analyzing trace with hash -235181542, now seen corresponding path program 1 times [2022-11-19 07:56:54,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:56:54,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093264554] [2022-11-19 07:56:54,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:56:54,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:56:55,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:56:55,269 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 07:56:55,269 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:56:55,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093264554] [2022-11-19 07:56:55,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093264554] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:56:55,270 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:56:55,271 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-19 07:56:55,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845136977] [2022-11-19 07:56:55,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:56:55,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-19 07:56:55,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:56:55,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-19 07:56:55,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-19 07:56:55,274 INFO L87 Difference]: Start difference. First operand 117 states and 141 transitions. Second operand has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 07:56:55,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:56:55,605 INFO L93 Difference]: Finished difference Result 310 states and 385 transitions. [2022-11-19 07:56:55,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-19 07:56:55,606 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 23 [2022-11-19 07:56:55,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:56:55,608 INFO L225 Difference]: With dead ends: 310 [2022-11-19 07:56:55,608 INFO L226 Difference]: Without dead ends: 219 [2022-11-19 07:56:55,609 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2022-11-19 07:56:55,610 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 104 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:56:55,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 177 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 07:56:55,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2022-11-19 07:56:55,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 205. [2022-11-19 07:56:55,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 144 states have (on average 1.2638888888888888) internal successors, (182), 159 states have internal predecessors, (182), 31 states have call successors, (31), 29 states have call predecessors, (31), 29 states have return successors, (42), 28 states have call predecessors, (42), 31 states have call successors, (42) [2022-11-19 07:56:55,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 255 transitions. [2022-11-19 07:56:55,689 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 255 transitions. Word has length 23 [2022-11-19 07:56:55,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:56:55,689 INFO L495 AbstractCegarLoop]: Abstraction has 205 states and 255 transitions. [2022-11-19 07:56:55,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 07:56:55,690 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 255 transitions. [2022-11-19 07:56:55,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-19 07:56:55,692 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:56:55,692 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:56:55,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-19 07:56:55,692 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:56:55,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:56:55,694 INFO L85 PathProgramCache]: Analyzing trace with hash 847145796, now seen corresponding path program 1 times [2022-11-19 07:56:55,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:56:55,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821166795] [2022-11-19 07:56:55,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:56:55,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:56:55,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:56:55,940 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 07:56:55,941 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:56:55,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821166795] [2022-11-19 07:56:55,941 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821166795] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:56:55,941 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:56:55,942 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-19 07:56:55,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325446289] [2022-11-19 07:56:55,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:56:55,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-19 07:56:55,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:56:55,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-19 07:56:55,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-19 07:56:55,944 INFO L87 Difference]: Start difference. First operand 205 states and 255 transitions. Second operand has 9 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 07:56:56,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:56:56,324 INFO L93 Difference]: Finished difference Result 527 states and 669 transitions. [2022-11-19 07:56:56,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-19 07:56:56,325 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 24 [2022-11-19 07:56:56,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:56:56,328 INFO L225 Difference]: With dead ends: 527 [2022-11-19 07:56:56,328 INFO L226 Difference]: Without dead ends: 354 [2022-11-19 07:56:56,329 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2022-11-19 07:56:56,330 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 107 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:56:56,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 151 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 07:56:56,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2022-11-19 07:56:56,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 312. [2022-11-19 07:56:56,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 218 states have (on average 1.238532110091743) internal successors, (270), 239 states have internal predecessors, (270), 47 states have call successors, (47), 44 states have call predecessors, (47), 46 states have return successors, (64), 44 states have call predecessors, (64), 47 states have call successors, (64) [2022-11-19 07:56:56,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 381 transitions. [2022-11-19 07:56:56,404 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 381 transitions. Word has length 24 [2022-11-19 07:56:56,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:56:56,405 INFO L495 AbstractCegarLoop]: Abstraction has 312 states and 381 transitions. [2022-11-19 07:56:56,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-19 07:56:56,405 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 381 transitions. [2022-11-19 07:56:56,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-19 07:56:56,407 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:56:56,407 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:56:56,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-19 07:56:56,408 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:56:56,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:56:56,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1519763754, now seen corresponding path program 1 times [2022-11-19 07:56:56,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:56:56,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468133008] [2022-11-19 07:56:56,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:56:56,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:56:56,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:56:56,699 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 07:56:56,700 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:56:56,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468133008] [2022-11-19 07:56:56,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468133008] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:56:56,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1418438819] [2022-11-19 07:56:56,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:56:56,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:56:56,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f70c044-f51a-4113-90f9-6e5c2f137afe/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:56:56,707 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f70c044-f51a-4113-90f9-6e5c2f137afe/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:56:56,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f70c044-f51a-4113-90f9-6e5c2f137afe/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 07:56:56,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:56:56,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 29 conjunts are in the unsatisfiable core [2022-11-19 07:56:56,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:56:57,161 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-19 07:56:57,161 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:56:57,565 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-19 07:56:57,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1418438819] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:56:57,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1167905752] [2022-11-19 07:56:57,603 INFO L159 IcfgInterpreter]: Started Sifa with 26 locations of interest [2022-11-19 07:56:57,603 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:56:57,607 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:56:57,612 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:56:57,613 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:57:02,317 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 30 for LOIs [2022-11-19 07:57:02,325 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 27 for LOIs [2022-11-19 07:57:02,385 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 22 for LOIs [2022-11-19 07:57:02,387 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 07:57:05,534 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1167905752] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:57:05,534 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-19 07:57:05,535 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [12, 9, 9] total 39 [2022-11-19 07:57:05,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228498983] [2022-11-19 07:57:05,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:57:05,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-19 07:57:05,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:57:05,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-19 07:57:05,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=230, Invalid=1252, Unknown=0, NotChecked=0, Total=1482 [2022-11-19 07:57:05,538 INFO L87 Difference]: Start difference. First operand 312 states and 381 transitions. Second operand has 17 states, 14 states have (on average 1.5) internal successors, (21), 15 states have internal predecessors, (21), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-19 07:57:11,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:57:11,704 INFO L93 Difference]: Finished difference Result 710 states and 883 transitions. [2022-11-19 07:57:11,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-19 07:57:11,705 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 14 states have (on average 1.5) internal successors, (21), 15 states have internal predecessors, (21), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 41 [2022-11-19 07:57:11,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:57:11,711 INFO L225 Difference]: With dead ends: 710 [2022-11-19 07:57:11,711 INFO L226 Difference]: Without dead ends: 440 [2022-11-19 07:57:11,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 85 SyntacticMatches, 12 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1217 ImplicationChecksByTransitivity, 8.9s TimeCoverageRelationStatistics Valid=455, Invalid=2301, Unknown=0, NotChecked=0, Total=2756 [2022-11-19 07:57:11,714 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 95 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-19 07:57:11,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 122 Invalid, 406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-19 07:57:11,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2022-11-19 07:57:11,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 401. [2022-11-19 07:57:11,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 283 states have (on average 1.2226148409893993) internal successors, (346), 304 states have internal predecessors, (346), 59 states have call successors, (59), 56 states have call predecessors, (59), 58 states have return successors, (76), 56 states have call predecessors, (76), 59 states have call successors, (76) [2022-11-19 07:57:11,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 481 transitions. [2022-11-19 07:57:11,820 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 481 transitions. Word has length 41 [2022-11-19 07:57:11,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:57:11,821 INFO L495 AbstractCegarLoop]: Abstraction has 401 states and 481 transitions. [2022-11-19 07:57:11,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 14 states have (on average 1.5) internal successors, (21), 15 states have internal predecessors, (21), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-19 07:57:11,823 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 481 transitions. [2022-11-19 07:57:11,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-19 07:57:11,831 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:57:11,831 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:57:11,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f70c044-f51a-4113-90f9-6e5c2f137afe/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-19 07:57:12,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f70c044-f51a-4113-90f9-6e5c2f137afe/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:57:12,037 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:57:12,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:57:12,038 INFO L85 PathProgramCache]: Analyzing trace with hash 21771555, now seen corresponding path program 1 times [2022-11-19 07:57:12,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:57:12,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993761132] [2022-11-19 07:57:12,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:57:12,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:57:12,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:57:12,339 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 07:57:12,340 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:57:12,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993761132] [2022-11-19 07:57:12,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993761132] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:57:12,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1643555860] [2022-11-19 07:57:12,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:57:12,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:57:12,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f70c044-f51a-4113-90f9-6e5c2f137afe/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:57:12,342 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f70c044-f51a-4113-90f9-6e5c2f137afe/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:57:12,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f70c044-f51a-4113-90f9-6e5c2f137afe/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 07:57:12,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:57:12,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 29 conjunts are in the unsatisfiable core [2022-11-19 07:57:12,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:57:12,649 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-19 07:57:12,649 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:57:12,947 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-19 07:57:12,948 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1643555860] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:57:12,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1511735455] [2022-11-19 07:57:12,952 INFO L159 IcfgInterpreter]: Started Sifa with 29 locations of interest [2022-11-19 07:57:12,952 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:57:12,953 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:57:12,953 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:57:12,953 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:57:16,190 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 124 for LOIs [2022-11-19 07:57:16,208 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 43 for LOIs [2022-11-19 07:57:16,307 INFO L197 IcfgInterpreter]: Interpreting procedure changeMethaneLevel with input of size 42 for LOIs [2022-11-19 07:57:16,314 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 38 for LOIs [2022-11-19 07:57:16,317 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 07:57:21,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1511735455] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:57:21,449 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-19 07:57:21,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [12, 9, 9] total 42 [2022-11-19 07:57:21,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427920148] [2022-11-19 07:57:21,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:57:21,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-19 07:57:21,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:57:21,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-19 07:57:21,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=242, Invalid=1480, Unknown=0, NotChecked=0, Total=1722 [2022-11-19 07:57:21,451 INFO L87 Difference]: Start difference. First operand 401 states and 481 transitions. Second operand has 20 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 17 states have internal predecessors, (23), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-19 07:57:30,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:57:30,076 INFO L93 Difference]: Finished difference Result 570 states and 716 transitions. [2022-11-19 07:57:30,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-19 07:57:30,077 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 17 states have internal predecessors, (23), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 44 [2022-11-19 07:57:30,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:57:30,078 INFO L225 Difference]: With dead ends: 570 [2022-11-19 07:57:30,078 INFO L226 Difference]: Without dead ends: 0 [2022-11-19 07:57:30,081 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 93 SyntacticMatches, 10 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1466 ImplicationChecksByTransitivity, 12.8s TimeCoverageRelationStatistics Valid=595, Invalid=3311, Unknown=0, NotChecked=0, Total=3906 [2022-11-19 07:57:30,081 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 119 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 622 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 622 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:57:30,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 93 Invalid, 770 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 622 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-19 07:57:30,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-19 07:57:30,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-19 07:57:30,083 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 07:57:30,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-19 07:57:30,083 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 44 [2022-11-19 07:57:30,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:57:30,084 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-19 07:57:30,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 17 states have internal predecessors, (23), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-19 07:57:30,084 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-19 07:57:30,084 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-19 07:57:30,087 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-19 07:57:30,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f70c044-f51a-4113-90f9-6e5c2f137afe/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 07:57:30,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f70c044-f51a-4113-90f9-6e5c2f137afe/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:57:30,297 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-19 07:57:39,940 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 158 164) no Hoare annotation was computed. [2022-11-19 07:57:39,940 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 158 164) the Hoare annotation is: true [2022-11-19 07:57:39,941 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 479 490) the Hoare annotation is: (or (not (= |#NULL.offset| 0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (not (= ~head~0.offset 0)) (not (<= ~waterLevel~0 2147483647)) (not (= |#NULL.base| 0)) (not (<= 0 (+ ~waterLevel~0 2147483648))) (not (<= 0 |old(~methaneLevelCritical~0)|)) (not (<= 0 |#StackHeapBarrier|)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4))) [2022-11-19 07:57:39,941 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 479 490) no Hoare annotation was computed. [2022-11-19 07:57:39,941 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 292 321) no Hoare annotation was computed. [2022-11-19 07:57:39,942 INFO L902 garLoopResultBuilder]: At program point L317(lines 292 321) the Hoare annotation is: true [2022-11-19 07:57:39,942 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 292 321) the Hoare annotation is: true [2022-11-19 07:57:39,942 INFO L899 garLoopResultBuilder]: For program point L313(line 313) no Hoare annotation was computed. [2022-11-19 07:57:39,942 INFO L899 garLoopResultBuilder]: For program point L306(lines 306 310) no Hoare annotation was computed. [2022-11-19 07:57:39,942 INFO L902 garLoopResultBuilder]: At program point L306-1(lines 306 310) the Hoare annotation is: true [2022-11-19 07:57:39,942 INFO L902 garLoopResultBuilder]: At program point L302-2(lines 302 316) the Hoare annotation is: true [2022-11-19 07:57:39,943 INFO L902 garLoopResultBuilder]: At program point L298(line 298) the Hoare annotation is: true [2022-11-19 07:57:39,943 INFO L899 garLoopResultBuilder]: For program point L298-1(line 298) no Hoare annotation was computed. [2022-11-19 07:57:39,943 INFO L895 garLoopResultBuilder]: At program point L180(line 180) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |#NULL.offset| 0)) (not (= 1 ~systemActive~0)) (not (<= |old(~waterLevel~0)| 2147483647)) (not (= ~head~0.offset 0)) (not (<= 0 ~methaneLevelCritical~0)) (not (= |#NULL.base| 0)) (not (<= 0 |#StackHeapBarrier|)) (not (<= 0 (+ |old(~waterLevel~0)| 2147483648))) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4))) [2022-11-19 07:57:39,943 INFO L895 garLoopResultBuilder]: At program point L185(line 185) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |#NULL.offset| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 ~systemActive~0)) (not (<= |old(~waterLevel~0)| 2147483647)) (not (= ~head~0.offset 0)) (not (<= 0 ~methaneLevelCritical~0)) (not (= |#NULL.base| 0)) (not (<= 0 |#StackHeapBarrier|)) (not (<= 0 (+ |old(~waterLevel~0)| 2147483648))) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4))) [2022-11-19 07:57:39,944 INFO L895 garLoopResultBuilder]: At program point L185-1(lines 166 190) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |#NULL.offset| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 ~systemActive~0)) (not (<= |old(~waterLevel~0)| 2147483647)) (not (= ~head~0.offset 0)) (not (<= 0 ~methaneLevelCritical~0)) (not (= |#NULL.base| 0)) (not (<= 0 |#StackHeapBarrier|)) (not (<= 0 (+ |old(~waterLevel~0)| 2147483648))) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4))) [2022-11-19 07:57:39,944 INFO L899 garLoopResultBuilder]: For program point L404(lines 404 410) no Hoare annotation was computed. [2022-11-19 07:57:39,944 INFO L895 garLoopResultBuilder]: At program point L400(lines 400 413) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |#NULL.offset| 0)) (not (= 1 ~systemActive~0)) (not (<= |old(~waterLevel~0)| 2147483647)) (not (= ~head~0.offset 0)) (not (<= 0 ~methaneLevelCritical~0)) (not (= |#NULL.base| 0)) (not (<= 0 |#StackHeapBarrier|)) (and (= ~pumpRunning~0 0) (= |timeShift_getWaterLevel_~retValue_acc~7#1| |timeShift_getWaterLevel_#res#1|) (= |timeShift___utac_acc__Specification4_spec__1_~tmp~4#1| |timeShift_getWaterLevel_#res#1|) (= |timeShift_getWaterLevel_~retValue_acc~7#1| ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 0 (+ |old(~waterLevel~0)| 2147483648))) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4))) [2022-11-19 07:57:39,945 INFO L895 garLoopResultBuilder]: At program point L400-1(lines 392 416) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |timeShift_getWaterLevel_~retValue_acc~7#1| |timeShift_getWaterLevel_#res#1|)) (.cse2 (= |timeShift___utac_acc__Specification4_spec__1_~tmp~4#1| |timeShift_getWaterLevel_#res#1|)) (.cse3 (= |timeShift_getWaterLevel_~retValue_acc~7#1| ~waterLevel~0)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |#NULL.offset| 0)) (and .cse0 .cse1 (= ~pumpRunning~0 |timeShift_isPumpRunning_~retValue_acc~1#1|) .cse2 (= |timeShift_isPumpRunning_#res#1| |timeShift___utac_acc__Specification4_spec__1_~tmp___0~2#1|) (= |timeShift_isPumpRunning_#res#1| |timeShift_isPumpRunning_~retValue_acc~1#1|) .cse3 .cse4) (not (= 1 ~systemActive~0)) (and .cse0 .cse1 .cse2 (not (= |timeShift___utac_acc__Specification4_spec__1_~tmp~4#1| 0)) .cse3 .cse4) (not (<= |old(~waterLevel~0)| 2147483647)) (not (= ~head~0.offset 0)) (not (<= 0 ~methaneLevelCritical~0)) (not (= |#NULL.base| 0)) (not (<= 0 |#StackHeapBarrier|)) (not (<= 0 (+ |old(~waterLevel~0)| 2147483648))) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4)))) [2022-11-19 07:57:39,945 INFO L895 garLoopResultBuilder]: At program point L145-1(lines 145 151) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |#NULL.offset| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 ~systemActive~0)) (not (<= |old(~waterLevel~0)| 2147483647)) (not (= ~head~0.offset 0)) (not (<= 0 ~methaneLevelCritical~0)) (not (= |#NULL.base| 0)) (not (<= 0 |#StackHeapBarrier|)) (not (<= 0 (+ |old(~waterLevel~0)| 2147483648))) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4))) [2022-11-19 07:57:39,946 INFO L895 garLoopResultBuilder]: At program point L174(lines 174 182) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |#NULL.offset| 0)) (not (= 1 ~systemActive~0)) (not (<= |old(~waterLevel~0)| 2147483647)) (not (= ~head~0.offset 0)) (not (<= 0 ~methaneLevelCritical~0)) (not (= |#NULL.base| 0)) (not (<= 0 |#StackHeapBarrier|)) (not (<= 0 (+ |old(~waterLevel~0)| 2147483648))) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4))) [2022-11-19 07:57:39,946 INFO L895 garLoopResultBuilder]: At program point L170(lines 170 187) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |#NULL.offset| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 ~systemActive~0)) (not (<= |old(~waterLevel~0)| 2147483647)) (not (= ~head~0.offset 0)) (not (<= 0 ~methaneLevelCritical~0)) (not (= |#NULL.base| 0)) (not (<= 0 |#StackHeapBarrier|)) (not (<= 0 (+ |old(~waterLevel~0)| 2147483648))) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4))) [2022-11-19 07:57:39,946 INFO L895 garLoopResultBuilder]: At program point L546(line 546) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |#NULL.offset| 0)) (not (= 1 ~systemActive~0)) (not (<= |old(~waterLevel~0)| 2147483647)) (not (= ~head~0.offset 0)) (not (<= 0 ~methaneLevelCritical~0)) (not (= |#NULL.base| 0)) (not (<= 0 |#StackHeapBarrier|)) (not (<= 0 (+ |old(~waterLevel~0)| 2147483648))) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4))) [2022-11-19 07:57:39,946 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 134 157) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |#NULL.offset| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 ~systemActive~0)) (not (<= |old(~waterLevel~0)| 2147483647)) (not (= ~head~0.offset 0)) (not (<= 0 ~methaneLevelCritical~0)) (not (= |#NULL.base| 0)) (not (<= 0 |#StackHeapBarrier|)) (not (<= 0 (+ |old(~waterLevel~0)| 2147483648))) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4))) [2022-11-19 07:57:39,947 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 134 157) no Hoare annotation was computed. [2022-11-19 07:57:39,947 INFO L899 garLoopResultBuilder]: For program point L138-1(lines 137 156) no Hoare annotation was computed. [2022-11-19 07:57:39,947 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 546) no Hoare annotation was computed. [2022-11-19 07:57:39,947 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2022-11-19 07:57:39,948 INFO L895 garLoopResultBuilder]: At program point L85-1(lines 85 91) the Hoare annotation is: (let ((.cse8 (= |ULTIMATE.start_test_~tmp___0~0#1| 0))) (let ((.cse3 (<= 2 ~waterLevel~0)) (.cse11 (<= ~waterLevel~0 2147483647)) (.cse19 (<= |ULTIMATE.start_test_~tmp___0~0#1| 2147483647)) (.cse0 (<= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse20 (<= 0 (+ |ULTIMATE.start_test_~tmp___0~0#1| 2147483648))) (.cse21 (not .cse8)) (.cse5 (<= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse10 (<= 0 ~methaneLevelCritical~0)) (.cse15 (<= 0 |#StackHeapBarrier|)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ~head~0.offset 0)) (.cse4 (= 1 ~systemActive~0)) (.cse6 (<= 0 (+ |ULTIMATE.start_test_~tmp~0#1| 2147483648))) (.cse7 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse9 (= |ULTIMATE.start_main_~tmp~3#1| 1)) (.cse12 (= ~head~0.base 0)) (.cse13 (= |#NULL.offset| 0)) (.cse22 (= ~waterLevel~0 1)) (.cse14 (<= |ULTIMATE.start_test_~tmp~0#1| 2147483647)) (.cse16 (= |ULTIMATE.start_valid_product_~retValue_acc~5#1| 1)) (.cse17 (= ~cleanupTimeShifts~0 4)) (.cse18 (= |#NULL.base| 0))) (or (and .cse0 .cse1 .cse2 (not (= |ULTIMATE.start_test_~tmp~0#1| 0)) .cse3 .cse4 .cse5 .cse6 (<= ~methaneLevelCritical~0 0) .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18) (and .cse19 .cse0 (<= |ULTIMATE.start_test_~tmp___2~0#1| 2147483647) .cse1 .cse20 .cse2 .cse5 (<= 0 (+ ~waterLevel~0 2147483648)) .cse6 .cse7 .cse9 .cse10 .cse11 .cse12 .cse13 (<= 0 (+ |ULTIMATE.start_test_~tmp___2~0#1| 2147483648)) (or (and (not (= |ULTIMATE.start_test_~tmp___2~0#1| 0)) .cse4) (and .cse4 (<= |ULTIMATE.start_test_~tmp___1~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_test_~tmp___1~0#1| 2147483648)))) .cse14 .cse15 .cse16 .cse17 .cse18) (and .cse19 .cse0 .cse1 .cse20 .cse21 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18) (and .cse19 .cse0 .cse1 .cse20 .cse21 .cse2 .cse4 .cse5 .cse6 .cse7 .cse9 .cse10 .cse12 .cse13 .cse22 .cse14 .cse15 .cse16 .cse17 .cse18) (let ((.cse23 (select |#memory_int| 1))) (and (= (select |#length| 15) 25) (= 9 (select |#length| 5)) (= (select |#length| 9) 21) (= 30 (select |#length| 7)) (= 1 (select |#valid| 5)) (= (select |#length| 3) 12) (= (select |#valid| 15) 1) .cse1 (= (select |#valid| 9) 1) (= (select |#length| 12) 25) (= (select |#valid| 11) 1) (= ~methaneLevelCritical~0 0) (= 30 (select |#length| 4)) (= 31 (select |#length| 2)) .cse2 (= 2 (select |#length| 1)) (= (select |#length| 8) 9) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 30 (select |#length| 13)) .cse4 (= 30 (select |#length| 10)) (= (select |#valid| 12) 1) .cse6 .cse7 (= (select |#valid| 4) 1) .cse8 (= (select |#valid| 1) 1) (= (select |#length| 6) 21) .cse9 (= (select |#valid| 14) 1) (= 9 (select |#length| 14)) (= (select |#valid| 0) 0) .cse12 (= (select |#valid| 2) 1) .cse13 (= 9 (select |#length| 11)) .cse22 (= (select .cse23 0) 48) (= (select |#valid| 6) 1) (= (select .cse23 1) 0) .cse14 (= |ULTIMATE.start_valid_product_~retValue_acc~5#1| |ULTIMATE.start_valid_product_#res#1|) (= (select |#valid| 10) 1) (= (select |#valid| 8) 1) (= (select |#valid| 13) 1) (< 0 |#StackHeapBarrier|) .cse16 .cse17 .cse18))))) [2022-11-19 07:57:39,949 INFO L895 garLoopResultBuilder]: At program point L110(lines 65 112) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~head~0.offset 0)) (.cse6 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (= |ULTIMATE.start_main_~tmp~3#1| 1)) (.cse4 (= ~head~0.base 0)) (.cse5 (= |#NULL.offset| 0)) (.cse7 (= |ULTIMATE.start_valid_product_~retValue_acc~5#1| 1)) (.cse8 (= ~cleanupTimeShifts~0 4)) (.cse9 (= |#NULL.base| 0))) (or (and (<= |ULTIMATE.start_test_~tmp___0~0#1| 2147483647) (<= 1 |ULTIMATE.start_valid_product_#res#1|) (<= |ULTIMATE.start_test_~tmp___2~0#1| 2147483647) .cse0 (<= 0 (+ |ULTIMATE.start_test_~tmp___0~0#1| 2147483648)) .cse1 (<= |ULTIMATE.start_valid_product_#res#1| 1) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ |ULTIMATE.start_test_~tmp~0#1| 2147483648)) .cse2 .cse3 (<= 0 ~methaneLevelCritical~0) (<= ~waterLevel~0 2147483647) .cse4 .cse5 (<= 0 (+ |ULTIMATE.start_test_~tmp___2~0#1| 2147483648)) (or (and (not (= |ULTIMATE.start_test_~tmp___2~0#1| 0)) .cse6) (and .cse6 (<= |ULTIMATE.start_test_~tmp___1~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_test_~tmp___1~0#1| 2147483648)))) (<= |ULTIMATE.start_test_~tmp~0#1| 2147483647) (<= 0 |#StackHeapBarrier|) .cse7 .cse8 .cse9) (let ((.cse10 (select |#memory_int| 1))) (and (= (select |#length| 15) 25) (= 9 (select |#length| 5)) (= (select |#length| 9) 21) (= 30 (select |#length| 7)) (= 1 (select |#valid| 5)) (= (select |#length| 3) 12) (= (select |#valid| 15) 1) .cse0 (= (select |#valid| 9) 1) (= (select |#length| 12) 25) (= (select |#valid| 11) 1) (= ~methaneLevelCritical~0 0) (= 30 (select |#length| 4)) (= 31 (select |#length| 2)) .cse1 (= 2 (select |#length| 1)) (= (select |#length| 8) 9) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 30 (select |#length| 13)) .cse6 (= 30 (select |#length| 10)) (= (select |#valid| 12) 1) .cse2 (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= (select |#length| 6) 21) .cse3 (= (select |#valid| 14) 1) (= 9 (select |#length| 14)) (= (select |#valid| 0) 0) .cse4 (= (select |#valid| 2) 1) .cse5 (= 9 (select |#length| 11)) (= ~waterLevel~0 1) (= (select .cse10 0) 48) (= (select |#valid| 6) 1) (= (select .cse10 1) 0) (= |ULTIMATE.start_valid_product_~retValue_acc~5#1| |ULTIMATE.start_valid_product_#res#1|) (= (select |#valid| 10) 1) (= (select |#valid| 8) 1) (= (select |#valid| 13) 1) (< 0 |#StackHeapBarrier|) .cse7 .cse8 .cse9)))) [2022-11-19 07:57:39,950 INFO L895 garLoopResultBuilder]: At program point L77(line 77) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~head~0.offset 0)) (.cse2 (not (= |ULTIMATE.start_test_~tmp~0#1| 0))) (.cse4 (<= 0 (+ |ULTIMATE.start_test_~tmp~0#1| 2147483648))) (.cse5 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (= ~head~0.base 0)) (.cse7 (= |#NULL.offset| 0)) (.cse3 (= 1 ~systemActive~0)) (.cse9 (<= |ULTIMATE.start_test_~tmp~0#1| 2147483647)) (.cse10 (= |ULTIMATE.start_valid_product_~retValue_acc~5#1| 1)) (.cse11 (= ~cleanupTimeShifts~0 4)) (.cse12 (= |#NULL.base| 0))) (or (let ((.cse8 (select |#memory_int| 1))) (and (= (select |#length| 15) 25) (= 9 (select |#length| 5)) (= (select |#length| 9) 21) (= 30 (select |#length| 7)) (= 1 (select |#valid| 5)) (= (select |#length| 3) 12) (= (select |#valid| 15) 1) .cse0 (= (select |#valid| 9) 1) (= (select |#length| 12) 25) (= (select |#valid| 11) 1) (= ~methaneLevelCritical~0 0) (= 30 (select |#length| 4)) (= 31 (select |#length| 2)) .cse1 .cse2 (= 2 (select |#length| 1)) (= (select |#length| 8) 9) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 30 (select |#length| 13)) .cse3 (= 30 (select |#length| 10)) (= (select |#valid| 12) 1) .cse4 .cse5 (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= (select |#length| 6) 21) (= |ULTIMATE.start_main_~tmp~3#1| 1) (= (select |#valid| 14) 1) (= 9 (select |#length| 14)) (= (select |#valid| 0) 0) .cse6 (= (select |#valid| 2) 1) .cse7 (= 9 (select |#length| 11)) (= ~waterLevel~0 1) (= (select .cse8 0) 48) (= (select |#valid| 6) 1) (= (select .cse8 1) 0) .cse9 (= |ULTIMATE.start_valid_product_~retValue_acc~5#1| |ULTIMATE.start_valid_product_#res#1|) (= (select |#valid| 10) 1) (= (select |#valid| 8) 1) (= (select |#valid| 13) 1) (< 0 |#StackHeapBarrier|) .cse10 .cse11 .cse12)) (and (<= |ULTIMATE.start_test_~tmp___0~0#1| 2147483647) (<= 1 |ULTIMATE.start_valid_product_#res#1|) (<= |ULTIMATE.start_test_~tmp___2~0#1| 2147483647) .cse0 (<= 0 (+ |ULTIMATE.start_test_~tmp___0~0#1| 2147483648)) (<= 1 |ULTIMATE.start_main_~tmp~3#1|) .cse1 .cse2 (<= |ULTIMATE.start_main_~tmp~3#1| 1) (<= |ULTIMATE.start_valid_product_#res#1| 1) (<= 0 (+ ~waterLevel~0 2147483648)) .cse4 .cse5 (<= 0 ~methaneLevelCritical~0) (<= ~waterLevel~0 2147483647) .cse6 .cse7 (<= 0 (+ |ULTIMATE.start_test_~tmp___2~0#1| 2147483648)) (or (and (not (= |ULTIMATE.start_test_~tmp___2~0#1| 0)) .cse3) (and .cse3 (<= |ULTIMATE.start_test_~tmp___1~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_test_~tmp___1~0#1| 2147483648)))) .cse9 (<= 0 |#StackHeapBarrier|) .cse10 .cse11 .cse12))) [2022-11-19 07:57:39,950 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-11-19 07:57:39,951 INFO L895 garLoopResultBuilder]: At program point L103-2(lines 95 108) the Hoare annotation is: (and (<= |ULTIMATE.start_test_~tmp___0~0#1| 2147483647) (<= 1 |ULTIMATE.start_valid_product_#res#1|) (<= |ULTIMATE.start_test_~tmp___2~0#1| 2147483647) (= ~pumpRunning~0 0) (<= 0 (+ |ULTIMATE.start_test_~tmp___0~0#1| 2147483648)) (= ~head~0.offset 0) (<= |ULTIMATE.start_valid_product_#res#1| 1) (<= 0 (+ ~waterLevel~0 2147483648)) (<= 0 (+ |ULTIMATE.start_test_~tmp~0#1| 2147483648)) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~3#1| 1) (<= 0 ~methaneLevelCritical~0) (<= ~waterLevel~0 2147483647) (= ~head~0.base 0) (= |#NULL.offset| 0) (<= 0 (+ |ULTIMATE.start_test_~tmp___2~0#1| 2147483648)) (let ((.cse0 (= 1 ~systemActive~0))) (or (and (not (= |ULTIMATE.start_test_~tmp___2~0#1| 0)) .cse0) (and .cse0 (<= |ULTIMATE.start_test_~tmp___1~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_test_~tmp___1~0#1| 2147483648))))) (<= |ULTIMATE.start_test_~tmp~0#1| 2147483647) (<= 0 |#StackHeapBarrier|) (= |ULTIMATE.start_valid_product_~retValue_acc~5#1| 1) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0)) [2022-11-19 07:57:39,951 INFO L899 garLoopResultBuilder]: For program point L66(lines 65 112) no Hoare annotation was computed. [2022-11-19 07:57:39,951 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-19 07:57:39,951 INFO L895 garLoopResultBuilder]: At program point L376(lines 376 383) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (= (select |#length| 15) 25) (= 9 (select |#length| 5)) (= (select |#length| 9) 21) (= 30 (select |#length| 7)) (= 1 (select |#valid| 5)) (= (select |#length| 3) 12) (= (select |#valid| 15) 1) (= ~pumpRunning~0 0) (= (select |#valid| 9) 1) (= (select |#length| 12) 25) (= (select |#valid| 11) 1) (= ~methaneLevelCritical~0 0) (= 30 (select |#length| 4)) (= 31 (select |#length| 2)) (= ~head~0.offset 0) (= 2 (select |#length| 1)) (= (select |#length| 8) 9) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 30 (select |#length| 13)) (= 1 ~systemActive~0) (= 30 (select |#length| 10)) (= (select |#valid| 12) 1) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= (select |#length| 6) 21) (= |ULTIMATE.start_main_~tmp~3#1| 1) (= (select |#valid| 14) 1) (= 9 (select |#length| 14)) (= (select |#valid| 0) 0) (= ~head~0.base 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= 9 (select |#length| 11)) (= ~waterLevel~0 1) (= (select .cse0 0) 48) (= (select |#valid| 6) 1) (= (select .cse0 1) 0) (= |ULTIMATE.start_valid_product_~retValue_acc~5#1| |ULTIMATE.start_valid_product_#res#1|) (= (select |#valid| 10) 1) (= (select |#valid| 8) 1) (= (select |#valid| 13) 1) (< 0 |#StackHeapBarrier|) (= |ULTIMATE.start_valid_product_~retValue_acc~5#1| 1) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))) [2022-11-19 07:57:39,952 INFO L895 garLoopResultBuilder]: At program point L87(line 87) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_test_~tmp___0~0#1| 2147483647)) (.cse1 (<= 1 |ULTIMATE.start_valid_product_#res#1|)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (<= 0 (+ |ULTIMATE.start_test_~tmp___0~0#1| 2147483648))) (.cse4 (not (= |ULTIMATE.start_test_~tmp___0~0#1| 0))) (.cse5 (= ~head~0.offset 0)) (.cse7 (<= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse8 (<= 0 (+ |ULTIMATE.start_test_~tmp~0#1| 2147483648))) (.cse9 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse10 (= |ULTIMATE.start_main_~tmp~3#1| 1)) (.cse11 (<= 0 ~methaneLevelCritical~0)) (.cse12 (<= ~waterLevel~0 2147483647)) (.cse13 (= ~head~0.base 0)) (.cse14 (= |#NULL.offset| 0)) (.cse6 (= 1 ~systemActive~0)) (.cse15 (<= |ULTIMATE.start_test_~tmp~0#1| 2147483647)) (.cse16 (<= 0 |#StackHeapBarrier|)) (.cse17 (= |ULTIMATE.start_valid_product_~retValue_acc~5#1| 1)) (.cse18 (= ~cleanupTimeShifts~0 4)) (.cse19 (= |#NULL.base| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (not (= |ULTIMATE.start_test_~tmp~0#1| 0)) (<= 2 ~waterLevel~0) .cse6 .cse7 .cse8 (<= ~methaneLevelCritical~0 0) .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19) (let ((.cse20 (select |#memory_int| 1))) (and (= (select |#length| 15) 25) (= 9 (select |#length| 5)) (= (select |#length| 9) 21) (= 30 (select |#length| 7)) .cse0 (= 1 (select |#valid| 5)) (= (select |#length| 3) 12) (= (select |#valid| 15) 1) .cse2 .cse3 (= (select |#valid| 9) 1) (= |ULTIMATE.start_main_~tmp~3#1| ~systemActive~0) .cse4 (= (select |#length| 12) 25) (= (select |#valid| 11) 1) (= ~methaneLevelCritical~0 0) (= 30 (select |#length| 4)) (= 31 (select |#length| 2)) .cse5 (= 2 (select |#length| 1)) (= (select |#length| 8) 9) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 30 (select |#length| 13)) (= 30 (select |#length| 10)) (= (select |#valid| 12) 1) .cse8 .cse9 (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= (select |#length| 6) 21) .cse10 (= (select |#valid| 14) 1) (= 9 (select |#length| 14)) (= (select |#valid| 0) 0) .cse13 (= (select |#valid| 2) 1) .cse14 (= 9 (select |#length| 11)) (= ~waterLevel~0 1) (= (select .cse20 0) 48) (= (select |#valid| 6) 1) (= (select .cse20 1) 0) .cse15 (= |ULTIMATE.start_valid_product_~retValue_acc~5#1| |ULTIMATE.start_valid_product_#res#1|) (= (select |#valid| 10) 1) (= (select |#valid| 8) 1) (= (select |#valid| 13) 1) (< 0 |#StackHeapBarrier|) .cse17 .cse18 .cse19)) (and .cse0 .cse1 (<= |ULTIMATE.start_test_~tmp___2~0#1| 2147483647) .cse2 .cse3 .cse4 .cse5 .cse7 (<= 0 (+ ~waterLevel~0 2147483648)) .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 (<= 0 (+ |ULTIMATE.start_test_~tmp___2~0#1| 2147483648)) (or (and (not (= |ULTIMATE.start_test_~tmp___2~0#1| 0)) .cse6) (and .cse6 (<= |ULTIMATE.start_test_~tmp___1~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_test_~tmp___1~0#1| 2147483648)))) .cse15 .cse16 .cse17 .cse18 .cse19))) [2022-11-19 07:57:39,953 INFO L902 garLoopResultBuilder]: At program point L376-2(lines 376 383) the Hoare annotation is: true [2022-11-19 07:57:39,953 INFO L902 garLoopResultBuilder]: At program point L116(lines 55 120) the Hoare annotation is: true [2022-11-19 07:57:39,953 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 81) no Hoare annotation was computed. [2022-11-19 07:57:39,953 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2022-11-19 07:57:39,953 INFO L895 garLoopResultBuilder]: At program point L113(lines 64 114) the Hoare annotation is: false [2022-11-19 07:57:39,953 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 467 478) no Hoare annotation was computed. [2022-11-19 07:57:39,954 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 467 478) the Hoare annotation is: (or (not (= |#NULL.offset| 0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (<= |old(~waterLevel~0)| 2147483647)) (not (= ~head~0.offset 0)) (not (<= 0 ~methaneLevelCritical~0)) (not (= |#NULL.base| 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 0 |#StackHeapBarrier|)) (not (<= 0 (+ |old(~waterLevel~0)| 2147483648))) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4))) [2022-11-19 07:57:39,957 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:57:39,959 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 07:57:39,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:57:39 BoogieIcfgContainer [2022-11-19 07:57:39,993 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 07:57:39,994 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 07:57:39,994 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 07:57:39,995 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 07:57:39,995 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:56:52" (3/4) ... [2022-11-19 07:57:39,998 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 07:57:40,003 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-19 07:57:40,004 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-19 07:57:40,004 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-19 07:57:40,004 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-19 07:57:40,005 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-19 07:57:40,010 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2022-11-19 07:57:40,011 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-19 07:57:40,011 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-19 07:57:40,012 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 07:57:40,012 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 07:57:40,052 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((((((((((((((((((unknown-#length-unknown[15] == 25 && 9 == unknown-#length-unknown[5]) && unknown-#length-unknown[9] == 21) && 30 == unknown-#length-unknown[7]) && 1 == \valid[5]) && unknown-#length-unknown[3] == 12) && \valid[15] == 1) && pumpRunning == 0) && \valid[9] == 1) && unknown-#length-unknown[12] == 25) && \valid[11] == 1) && methaneLevelCritical == 0) && 30 == unknown-#length-unknown[4]) && 31 == unknown-#length-unknown[2]) && head == 0) && 2 == unknown-#length-unknown[1]) && unknown-#length-unknown[8] == 9) && \valid[3] == 1) && \valid[7] == 1) && 30 == unknown-#length-unknown[13]) && 1 == systemActive) && 30 == unknown-#length-unknown[10]) && \valid[12] == 1) && \valid[4] == 1) && \valid[1] == 1) && unknown-#length-unknown[6] == 21) && tmp == 1) && \valid[14] == 1) && 9 == unknown-#length-unknown[14]) && \valid[0] == 0) && head == 0) && \valid[2] == 1) && #NULL == 0) && 9 == unknown-#length-unknown[11]) && waterLevel == 1) && unknown-#memory_int-unknown[1][0] == 48) && \valid[6] == 1) && unknown-#memory_int-unknown[1][1] == 0) && retValue_acc == \result) && \valid[10] == 1) && \valid[8] == 1) && \valid[13] == 1) && 0 < unknown-#StackHeapBarrier-unknown) && retValue_acc == 1) && cleanupTimeShifts == 4) && #NULL == 0 [2022-11-19 07:57:40,052 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((tmp___0 <= 2147483647 && 1 <= \result) && tmp___2 <= 2147483647) && pumpRunning == 0) && 0 <= tmp___0 + 2147483648) && head == 0) && \result <= 1) && 0 <= waterLevel + 2147483648) && 0 <= tmp + 2147483648) && splverifierCounter == 0) && tmp == 1) && 0 <= methaneLevelCritical) && waterLevel <= 2147483647) && head == 0) && #NULL == 0) && 0 <= tmp___2 + 2147483648) && ((!(tmp___2 == 0) && 1 == systemActive) || ((1 == systemActive && tmp___1 <= 2147483647) && 0 <= tmp___1 + 2147483648))) && tmp <= 2147483647) && 0 <= unknown-#StackHeapBarrier-unknown) && retValue_acc == 1) && cleanupTimeShifts == 4) && #NULL == 0) || ((((((((((((((((((((((((((((((((((((((((((((((unknown-#length-unknown[15] == 25 && 9 == unknown-#length-unknown[5]) && unknown-#length-unknown[9] == 21) && 30 == unknown-#length-unknown[7]) && 1 == \valid[5]) && unknown-#length-unknown[3] == 12) && \valid[15] == 1) && pumpRunning == 0) && \valid[9] == 1) && unknown-#length-unknown[12] == 25) && \valid[11] == 1) && methaneLevelCritical == 0) && 30 == unknown-#length-unknown[4]) && 31 == unknown-#length-unknown[2]) && head == 0) && 2 == unknown-#length-unknown[1]) && unknown-#length-unknown[8] == 9) && \valid[3] == 1) && \valid[7] == 1) && 30 == unknown-#length-unknown[13]) && 1 == systemActive) && 30 == unknown-#length-unknown[10]) && \valid[12] == 1) && splverifierCounter == 0) && \valid[4] == 1) && \valid[1] == 1) && unknown-#length-unknown[6] == 21) && tmp == 1) && \valid[14] == 1) && 9 == unknown-#length-unknown[14]) && \valid[0] == 0) && head == 0) && \valid[2] == 1) && #NULL == 0) && 9 == unknown-#length-unknown[11]) && waterLevel == 1) && unknown-#memory_int-unknown[1][0] == 48) && \valid[6] == 1) && unknown-#memory_int-unknown[1][1] == 0) && retValue_acc == \result) && \valid[10] == 1) && \valid[8] == 1) && \valid[13] == 1) && 0 < unknown-#StackHeapBarrier-unknown) && retValue_acc == 1) && cleanupTimeShifts == 4) && #NULL == 0) [2022-11-19 07:57:40,053 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(\old(pumpRunning) == 0) || !(#NULL == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2147483647)) || !(head == 0)) || !(0 <= methaneLevelCritical)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(0 <= \old(waterLevel) + 2147483648)) || !(head == 0)) || !(cleanupTimeShifts == 4) [2022-11-19 07:57:40,054 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(\old(pumpRunning) == 0) || !(#NULL == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2147483647)) || !(head == 0)) || !(0 <= methaneLevelCritical)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(0 <= \old(waterLevel) + 2147483648)) || !(head == 0)) || !(cleanupTimeShifts == 4) [2022-11-19 07:57:40,054 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((1 <= \result && pumpRunning == 0) && head == 0) && !(tmp == 0)) && 2 <= waterLevel) && 1 == systemActive) && \result <= 1) && 0 <= tmp + 2147483648) && methaneLevelCritical <= 0) && splverifierCounter == 0) && tmp___0 == 0) && tmp == 1) && 0 <= methaneLevelCritical) && waterLevel <= 2147483647) && head == 0) && #NULL == 0) && tmp <= 2147483647) && 0 <= unknown-#StackHeapBarrier-unknown) && retValue_acc == 1) && cleanupTimeShifts == 4) && #NULL == 0) || (((((((((((((((((((((tmp___0 <= 2147483647 && 1 <= \result) && tmp___2 <= 2147483647) && pumpRunning == 0) && 0 <= tmp___0 + 2147483648) && head == 0) && \result <= 1) && 0 <= waterLevel + 2147483648) && 0 <= tmp + 2147483648) && splverifierCounter == 0) && tmp == 1) && 0 <= methaneLevelCritical) && waterLevel <= 2147483647) && head == 0) && #NULL == 0) && 0 <= tmp___2 + 2147483648) && ((!(tmp___2 == 0) && 1 == systemActive) || ((1 == systemActive && tmp___1 <= 2147483647) && 0 <= tmp___1 + 2147483648))) && tmp <= 2147483647) && 0 <= unknown-#StackHeapBarrier-unknown) && retValue_acc == 1) && cleanupTimeShifts == 4) && #NULL == 0)) || ((((((((((((((((((((tmp___0 <= 2147483647 && 1 <= \result) && pumpRunning == 0) && 0 <= tmp___0 + 2147483648) && !(tmp___0 == 0)) && head == 0) && 2 <= waterLevel) && 1 == systemActive) && \result <= 1) && 0 <= tmp + 2147483648) && splverifierCounter == 0) && tmp == 1) && 0 <= methaneLevelCritical) && waterLevel <= 2147483647) && head == 0) && #NULL == 0) && tmp <= 2147483647) && 0 <= unknown-#StackHeapBarrier-unknown) && retValue_acc == 1) && cleanupTimeShifts == 4) && #NULL == 0)) || (((((((((((((((((((tmp___0 <= 2147483647 && 1 <= \result) && pumpRunning == 0) && 0 <= tmp___0 + 2147483648) && !(tmp___0 == 0)) && head == 0) && 1 == systemActive) && \result <= 1) && 0 <= tmp + 2147483648) && splverifierCounter == 0) && tmp == 1) && 0 <= methaneLevelCritical) && head == 0) && #NULL == 0) && waterLevel == 1) && tmp <= 2147483647) && 0 <= unknown-#StackHeapBarrier-unknown) && retValue_acc == 1) && cleanupTimeShifts == 4) && #NULL == 0)) || (((((((((((((((((((((((((((((((((((((((((((((((((unknown-#length-unknown[15] == 25 && 9 == unknown-#length-unknown[5]) && unknown-#length-unknown[9] == 21) && 30 == unknown-#length-unknown[7]) && 1 == \valid[5]) && unknown-#length-unknown[3] == 12) && \valid[15] == 1) && pumpRunning == 0) && \valid[9] == 1) && unknown-#length-unknown[12] == 25) && \valid[11] == 1) && methaneLevelCritical == 0) && 30 == unknown-#length-unknown[4]) && 31 == unknown-#length-unknown[2]) && head == 0) && 2 == unknown-#length-unknown[1]) && unknown-#length-unknown[8] == 9) && \valid[3] == 1) && \valid[7] == 1) && 30 == unknown-#length-unknown[13]) && 1 == systemActive) && 30 == unknown-#length-unknown[10]) && \valid[12] == 1) && 0 <= tmp + 2147483648) && splverifierCounter == 0) && \valid[4] == 1) && tmp___0 == 0) && \valid[1] == 1) && unknown-#length-unknown[6] == 21) && tmp == 1) && \valid[14] == 1) && 9 == unknown-#length-unknown[14]) && \valid[0] == 0) && head == 0) && \valid[2] == 1) && #NULL == 0) && 9 == unknown-#length-unknown[11]) && waterLevel == 1) && unknown-#memory_int-unknown[1][0] == 48) && \valid[6] == 1) && unknown-#memory_int-unknown[1][1] == 0) && tmp <= 2147483647) && retValue_acc == \result) && \valid[10] == 1) && \valid[8] == 1) && \valid[13] == 1) && 0 < unknown-#StackHeapBarrier-unknown) && retValue_acc == 1) && cleanupTimeShifts == 4) && #NULL == 0) [2022-11-19 07:57:40,055 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(\old(pumpRunning) == 0) || !(#NULL == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2147483647)) || !(head == 0)) || !(0 <= methaneLevelCritical)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(0 <= \old(waterLevel) + 2147483648)) || !(head == 0)) || !(cleanupTimeShifts == 4) [2022-11-19 07:57:40,055 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(\old(pumpRunning) == 0) || !(#NULL == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2147483647)) || !(head == 0)) || !(0 <= methaneLevelCritical)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(0 <= \old(waterLevel) + 2147483648)) || !(head == 0)) || !(cleanupTimeShifts == 4) [2022-11-19 07:57:40,057 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(\old(pumpRunning) == 0) || !(#NULL == 0)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2147483647)) || !(head == 0)) || !(0 <= methaneLevelCritical)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || ((((pumpRunning == 0 && retValue_acc == \result) && tmp == \result) && retValue_acc == waterLevel) && \old(waterLevel) == waterLevel)) || !(0 <= \old(waterLevel) + 2147483648)) || !(head == 0)) || !(cleanupTimeShifts == 4) [2022-11-19 07:57:40,057 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((!(\old(pumpRunning) == 0) || !(#NULL == 0)) || (((((((pumpRunning == 0 && retValue_acc == \result) && pumpRunning == retValue_acc) && tmp == \result) && \result == tmp___0) && \result == retValue_acc) && retValue_acc == waterLevel) && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || (((((pumpRunning == 0 && retValue_acc == \result) && tmp == \result) && !(tmp == 0)) && retValue_acc == waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2147483647)) || !(head == 0)) || !(0 <= methaneLevelCritical)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(0 <= \old(waterLevel) + 2147483648)) || !(head == 0)) || !(cleanupTimeShifts == 4) [2022-11-19 07:57:40,058 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(\old(pumpRunning) == 0) || !(#NULL == 0)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2147483647)) || !(head == 0)) || !(0 <= methaneLevelCritical)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(0 <= \old(waterLevel) + 2147483648)) || !(head == 0)) || !(cleanupTimeShifts == 4) [2022-11-19 07:57:40,058 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(\old(pumpRunning) == 0) || !(#NULL == 0)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2147483647)) || !(head == 0)) || !(0 <= methaneLevelCritical)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(0 <= \old(waterLevel) + 2147483648)) || !(head == 0)) || !(cleanupTimeShifts == 4) [2022-11-19 07:57:40,088 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f70c044-f51a-4113-90f9-6e5c2f137afe/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 07:57:40,088 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 07:57:40,088 INFO L158 Benchmark]: Toolchain (without parser) took 48538.07ms. Allocated memory was 104.9MB in the beginning and 327.2MB in the end (delta: 222.3MB). Free memory was 60.0MB in the beginning and 136.5MB in the end (delta: -76.5MB). Peak memory consumption was 144.2MB. Max. memory is 16.1GB. [2022-11-19 07:57:40,089 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 104.9MB. Free memory is still 77.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:57:40,089 INFO L158 Benchmark]: CACSL2BoogieTranslator took 506.82ms. Allocated memory is still 104.9MB. Free memory was 59.8MB in the beginning and 70.9MB in the end (delta: -11.1MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2022-11-19 07:57:40,089 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.19ms. Allocated memory is still 104.9MB. Free memory was 70.9MB in the beginning and 68.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:57:40,090 INFO L158 Benchmark]: Boogie Preprocessor took 61.84ms. Allocated memory is still 104.9MB. Free memory was 68.8MB in the beginning and 67.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:57:40,091 INFO L158 Benchmark]: RCFGBuilder took 698.66ms. Allocated memory is still 104.9MB. Free memory was 67.3MB in the beginning and 46.2MB in the end (delta: 21.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-19 07:57:40,091 INFO L158 Benchmark]: TraceAbstraction took 47093.92ms. Allocated memory was 104.9MB in the beginning and 327.2MB in the end (delta: 222.3MB). Free memory was 45.5MB in the beginning and 140.7MB in the end (delta: -95.2MB). Peak memory consumption was 169.2MB. Max. memory is 16.1GB. [2022-11-19 07:57:40,092 INFO L158 Benchmark]: Witness Printer took 93.90ms. Allocated memory is still 327.2MB. Free memory was 140.7MB in the beginning and 136.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-19 07:57:40,094 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 104.9MB. Free memory is still 77.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 506.82ms. Allocated memory is still 104.9MB. Free memory was 59.8MB in the beginning and 70.9MB in the end (delta: -11.1MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.19ms. Allocated memory is still 104.9MB. Free memory was 70.9MB in the beginning and 68.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.84ms. Allocated memory is still 104.9MB. Free memory was 68.8MB in the beginning and 67.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 698.66ms. Allocated memory is still 104.9MB. Free memory was 67.3MB in the beginning and 46.2MB in the end (delta: 21.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 47093.92ms. Allocated memory was 104.9MB in the beginning and 327.2MB in the end (delta: 222.3MB). Free memory was 45.5MB in the beginning and 140.7MB in the end (delta: -95.2MB). Peak memory consumption was 169.2MB. Max. memory is 16.1GB. * Witness Printer took 93.90ms. Allocated memory is still 327.2MB. Free memory was 140.7MB in the beginning and 136.5MB in the end (delta: 4.2MB). 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: 546]: 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 6 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 47.0s, OverallIterations: 9, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 16.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 596 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 582 mSDsluCounter, 882 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 598 mSDsCounter, 356 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1535 IncrementalHoareTripleChecker+Invalid, 1891 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 356 mSolverCounterUnsat, 284 mSDtfsCounter, 1535 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 370 GetRequests, 202 SyntacticMatches, 22 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2725 ImplicationChecksByTransitivity, 22.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=401occurred in iteration=8, InterpolantAutomatonStates: 90, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 120 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 28 LocationsWithAnnotation, 819 PreInvPairs, 1007 NumberOfFragments, 2534 HoareAnnotationTreeSize, 819 FomulaSimplifications, 12012 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 28 FomulaSimplificationsInter, 32571 FormulaSimplificationTreeSizeReductionInter, 8.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 295 NumberOfCodeBlocks, 295 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 367 ConstructedInterpolants, 0 QuantifiedInterpolants, 1707 SizeOfPredicates, 16 NumberOfNonLiveVariables, 428 ConjunctsInSsa, 58 ConjunctsInUnsatCore, 13 InterpolantComputations, 7 PerfectInterpolantSequences, 30/96 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: OVERALL_TIME: 8.1s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 9, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 83, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 130, TOOLS_POST_TIME: 2.4s, TOOLS_POST_CALL_APPLICATIONS: 55, TOOLS_POST_CALL_TIME: 3.1s, TOOLS_POST_RETURN_APPLICATIONS: 48, TOOLS_POST_RETURN_TIME: 1.6s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 233, TOOLS_QUANTIFIERELIM_TIME: 7.0s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.2s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 283, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 50, DOMAIN_JOIN_TIME: 0.7s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME: 0.1s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 9, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 83, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME: 5.8s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 5.8s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 9, CALL_SUMMARIZER_APPLICATIONS: 48, CALL_SUMMARIZER_CACHE_MISSES: 7, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 1003, DAG_COMPRESSION_RETAINED_NODES: 210, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 392]: Loop Invariant Derived loop invariant: (((((((((((!(\old(pumpRunning) == 0) || !(#NULL == 0)) || (((((((pumpRunning == 0 && retValue_acc == \result) && pumpRunning == retValue_acc) && tmp == \result) && \result == tmp___0) && \result == retValue_acc) && retValue_acc == waterLevel) && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || (((((pumpRunning == 0 && retValue_acc == \result) && tmp == \result) && !(tmp == 0)) && retValue_acc == waterLevel) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2147483647)) || !(head == 0)) || !(0 <= methaneLevelCritical)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(0 <= \old(waterLevel) + 2147483648)) || !(head == 0)) || !(cleanupTimeShifts == 4) - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: (((((((((((((((((((((tmp___0 <= 2147483647 && 1 <= \result) && tmp___2 <= 2147483647) && pumpRunning == 0) && 0 <= tmp___0 + 2147483648) && head == 0) && \result <= 1) && 0 <= waterLevel + 2147483648) && 0 <= tmp + 2147483648) && splverifierCounter == 0) && tmp == 1) && 0 <= methaneLevelCritical) && waterLevel <= 2147483647) && head == 0) && #NULL == 0) && 0 <= tmp___2 + 2147483648) && ((!(tmp___2 == 0) && 1 == systemActive) || ((1 == systemActive && tmp___1 <= 2147483647) && 0 <= tmp___1 + 2147483648))) && tmp <= 2147483647) && 0 <= unknown-#StackHeapBarrier-unknown) && retValue_acc == 1) && cleanupTimeShifts == 4) && #NULL == 0) || ((((((((((((((((((((((((((((((((((((((((((((((unknown-#length-unknown[15] == 25 && 9 == unknown-#length-unknown[5]) && unknown-#length-unknown[9] == 21) && 30 == unknown-#length-unknown[7]) && 1 == \valid[5]) && unknown-#length-unknown[3] == 12) && \valid[15] == 1) && pumpRunning == 0) && \valid[9] == 1) && unknown-#length-unknown[12] == 25) && \valid[11] == 1) && methaneLevelCritical == 0) && 30 == unknown-#length-unknown[4]) && 31 == unknown-#length-unknown[2]) && head == 0) && 2 == unknown-#length-unknown[1]) && unknown-#length-unknown[8] == 9) && \valid[3] == 1) && \valid[7] == 1) && 30 == unknown-#length-unknown[13]) && 1 == systemActive) && 30 == unknown-#length-unknown[10]) && \valid[12] == 1) && splverifierCounter == 0) && \valid[4] == 1) && \valid[1] == 1) && unknown-#length-unknown[6] == 21) && tmp == 1) && \valid[14] == 1) && 9 == unknown-#length-unknown[14]) && \valid[0] == 0) && head == 0) && \valid[2] == 1) && #NULL == 0) && 9 == unknown-#length-unknown[11]) && waterLevel == 1) && unknown-#memory_int-unknown[1][0] == 48) && \valid[6] == 1) && unknown-#memory_int-unknown[1][1] == 0) && retValue_acc == \result) && \valid[10] == 1) && \valid[8] == 1) && \valid[13] == 1) && 0 < unknown-#StackHeapBarrier-unknown) && retValue_acc == 1) && cleanupTimeShifts == 4) && #NULL == 0) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((1 <= \result && pumpRunning == 0) && head == 0) && !(tmp == 0)) && 2 <= waterLevel) && 1 == systemActive) && \result <= 1) && 0 <= tmp + 2147483648) && methaneLevelCritical <= 0) && splverifierCounter == 0) && tmp___0 == 0) && tmp == 1) && 0 <= methaneLevelCritical) && waterLevel <= 2147483647) && head == 0) && #NULL == 0) && tmp <= 2147483647) && 0 <= unknown-#StackHeapBarrier-unknown) && retValue_acc == 1) && cleanupTimeShifts == 4) && #NULL == 0) || (((((((((((((((((((((tmp___0 <= 2147483647 && 1 <= \result) && tmp___2 <= 2147483647) && pumpRunning == 0) && 0 <= tmp___0 + 2147483648) && head == 0) && \result <= 1) && 0 <= waterLevel + 2147483648) && 0 <= tmp + 2147483648) && splverifierCounter == 0) && tmp == 1) && 0 <= methaneLevelCritical) && waterLevel <= 2147483647) && head == 0) && #NULL == 0) && 0 <= tmp___2 + 2147483648) && ((!(tmp___2 == 0) && 1 == systemActive) || ((1 == systemActive && tmp___1 <= 2147483647) && 0 <= tmp___1 + 2147483648))) && tmp <= 2147483647) && 0 <= unknown-#StackHeapBarrier-unknown) && retValue_acc == 1) && cleanupTimeShifts == 4) && #NULL == 0)) || ((((((((((((((((((((tmp___0 <= 2147483647 && 1 <= \result) && pumpRunning == 0) && 0 <= tmp___0 + 2147483648) && !(tmp___0 == 0)) && head == 0) && 2 <= waterLevel) && 1 == systemActive) && \result <= 1) && 0 <= tmp + 2147483648) && splverifierCounter == 0) && tmp == 1) && 0 <= methaneLevelCritical) && waterLevel <= 2147483647) && head == 0) && #NULL == 0) && tmp <= 2147483647) && 0 <= unknown-#StackHeapBarrier-unknown) && retValue_acc == 1) && cleanupTimeShifts == 4) && #NULL == 0)) || (((((((((((((((((((tmp___0 <= 2147483647 && 1 <= \result) && pumpRunning == 0) && 0 <= tmp___0 + 2147483648) && !(tmp___0 == 0)) && head == 0) && 1 == systemActive) && \result <= 1) && 0 <= tmp + 2147483648) && splverifierCounter == 0) && tmp == 1) && 0 <= methaneLevelCritical) && head == 0) && #NULL == 0) && waterLevel == 1) && tmp <= 2147483647) && 0 <= unknown-#StackHeapBarrier-unknown) && retValue_acc == 1) && cleanupTimeShifts == 4) && #NULL == 0)) || (((((((((((((((((((((((((((((((((((((((((((((((((unknown-#length-unknown[15] == 25 && 9 == unknown-#length-unknown[5]) && unknown-#length-unknown[9] == 21) && 30 == unknown-#length-unknown[7]) && 1 == \valid[5]) && unknown-#length-unknown[3] == 12) && \valid[15] == 1) && pumpRunning == 0) && \valid[9] == 1) && unknown-#length-unknown[12] == 25) && \valid[11] == 1) && methaneLevelCritical == 0) && 30 == unknown-#length-unknown[4]) && 31 == unknown-#length-unknown[2]) && head == 0) && 2 == unknown-#length-unknown[1]) && unknown-#length-unknown[8] == 9) && \valid[3] == 1) && \valid[7] == 1) && 30 == unknown-#length-unknown[13]) && 1 == systemActive) && 30 == unknown-#length-unknown[10]) && \valid[12] == 1) && 0 <= tmp + 2147483648) && splverifierCounter == 0) && \valid[4] == 1) && tmp___0 == 0) && \valid[1] == 1) && unknown-#length-unknown[6] == 21) && tmp == 1) && \valid[14] == 1) && 9 == unknown-#length-unknown[14]) && \valid[0] == 0) && head == 0) && \valid[2] == 1) && #NULL == 0) && 9 == unknown-#length-unknown[11]) && waterLevel == 1) && unknown-#memory_int-unknown[1][0] == 48) && \valid[6] == 1) && unknown-#memory_int-unknown[1][1] == 0) && tmp <= 2147483647) && retValue_acc == \result) && \valid[10] == 1) && \valid[8] == 1) && \valid[13] == 1) && 0 < unknown-#StackHeapBarrier-unknown) && retValue_acc == 1) && cleanupTimeShifts == 4) && #NULL == 0) - InvariantResult [Line: 546]: Loop Invariant Derived loop invariant: (((((((((!(\old(pumpRunning) == 0) || !(#NULL == 0)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2147483647)) || !(head == 0)) || !(0 <= methaneLevelCritical)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(0 <= \old(waterLevel) + 2147483648)) || !(head == 0)) || !(cleanupTimeShifts == 4) - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: ((((((((((!(\old(pumpRunning) == 0) || !(#NULL == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2147483647)) || !(head == 0)) || !(0 <= methaneLevelCritical)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(0 <= \old(waterLevel) + 2147483648)) || !(head == 0)) || !(cleanupTimeShifts == 4) - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: ((((((((((!(\old(pumpRunning) == 0) || !(#NULL == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2147483647)) || !(head == 0)) || !(0 <= methaneLevelCritical)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(0 <= \old(waterLevel) + 2147483648)) || !(head == 0)) || !(cleanupTimeShifts == 4) - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((((unknown-#length-unknown[15] == 25 && 9 == unknown-#length-unknown[5]) && unknown-#length-unknown[9] == 21) && 30 == unknown-#length-unknown[7]) && 1 == \valid[5]) && unknown-#length-unknown[3] == 12) && \valid[15] == 1) && pumpRunning == 0) && \valid[9] == 1) && unknown-#length-unknown[12] == 25) && \valid[11] == 1) && methaneLevelCritical == 0) && 30 == unknown-#length-unknown[4]) && 31 == unknown-#length-unknown[2]) && head == 0) && 2 == unknown-#length-unknown[1]) && unknown-#length-unknown[8] == 9) && \valid[3] == 1) && \valid[7] == 1) && 30 == unknown-#length-unknown[13]) && 1 == systemActive) && 30 == unknown-#length-unknown[10]) && \valid[12] == 1) && \valid[4] == 1) && \valid[1] == 1) && unknown-#length-unknown[6] == 21) && tmp == 1) && \valid[14] == 1) && 9 == unknown-#length-unknown[14]) && \valid[0] == 0) && head == 0) && \valid[2] == 1) && #NULL == 0) && 9 == unknown-#length-unknown[11]) && waterLevel == 1) && unknown-#memory_int-unknown[1][0] == 48) && \valid[6] == 1) && unknown-#memory_int-unknown[1][1] == 0) && retValue_acc == \result) && \valid[10] == 1) && \valid[8] == 1) && \valid[13] == 1) && 0 < unknown-#StackHeapBarrier-unknown) && retValue_acc == 1) && cleanupTimeShifts == 4) && #NULL == 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: (((((((((!(\old(pumpRunning) == 0) || !(#NULL == 0)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2147483647)) || !(head == 0)) || !(0 <= methaneLevelCritical)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(0 <= \old(waterLevel) + 2147483648)) || !(head == 0)) || !(cleanupTimeShifts == 4) - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: ((((((((((!(\old(pumpRunning) == 0) || !(#NULL == 0)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2147483647)) || !(head == 0)) || !(0 <= methaneLevelCritical)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || ((((pumpRunning == 0 && retValue_acc == \result) && tmp == \result) && retValue_acc == waterLevel) && \old(waterLevel) == waterLevel)) || !(0 <= \old(waterLevel) + 2147483648)) || !(head == 0)) || !(cleanupTimeShifts == 4) - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: ((((((((((!(\old(pumpRunning) == 0) || !(#NULL == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2147483647)) || !(head == 0)) || !(0 <= methaneLevelCritical)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(0 <= \old(waterLevel) + 2147483648)) || !(head == 0)) || !(cleanupTimeShifts == 4) - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: ((((((((((!(\old(pumpRunning) == 0) || !(#NULL == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2147483647)) || !(head == 0)) || !(0 <= methaneLevelCritical)) || !(#NULL == 0)) || !(0 <= unknown-#StackHeapBarrier-unknown)) || !(0 <= \old(waterLevel) + 2147483648)) || !(head == 0)) || !(cleanupTimeShifts == 4) RESULT: Ultimate proved your program to be correct! [2022-11-19 07:57:40,169 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f70c044-f51a-4113-90f9-6e5c2f137afe/bin/utaipan-I9t0OCRTmS/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