./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product20.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_e0a39480-5ad5-46dd-9fba-d3119aea229a/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0a39480-5ad5-46dd-9fba-d3119aea229a/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_e0a39480-5ad5-46dd-9fba-d3119aea229a/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0a39480-5ad5-46dd-9fba-d3119aea229a/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0a39480-5ad5-46dd-9fba-d3119aea229a/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_e0a39480-5ad5-46dd-9fba-d3119aea229a/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 8c57aad23cdcf8081ba5352d473aea77ba42b47e93421a900d6921ce930c9593 --- 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 07:47:41,135 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:47:41,137 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:47:41,157 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:47:41,158 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:47:41,159 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:47:41,161 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:47:41,163 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:47:41,165 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:47:41,166 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:47:41,167 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:47:41,168 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:47:41,169 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:47:41,170 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:47:41,172 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:47:41,173 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:47:41,174 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:47:41,175 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:47:41,177 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:47:41,180 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:47:41,182 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:47:41,183 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:47:41,184 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:47:41,185 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:47:41,190 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:47:41,190 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:47:41,190 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:47:41,192 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:47:41,192 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:47:41,193 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:47:41,194 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:47:41,195 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:47:41,196 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:47:41,197 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:47:41,198 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:47:41,199 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:47:41,199 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:47:41,200 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:47:41,200 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:47:41,201 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:47:41,202 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:47:41,203 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0a39480-5ad5-46dd-9fba-d3119aea229a/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-19 07:47:41,227 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:47:41,227 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:47:41,228 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:47:41,228 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:47:41,229 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:47:41,229 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:47:41,229 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:47:41,229 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:47:41,229 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:47:41,230 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:47:41,230 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:47:41,230 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:47:41,230 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:47:41,230 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:47:41,231 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:47:41,231 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:47:41,231 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:47:41,231 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:47:41,232 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:47:41,232 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 07:47:41,232 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:47:41,233 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 07:47:41,233 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:47:41,233 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:47:41,233 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:47:41,233 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:47:41,234 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 07:47:41,234 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:47:41,234 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:47:41,234 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:47:41,235 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:47:41,235 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:47:41,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:47:41,235 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:47:41,235 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:47:41,236 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:47:41,236 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:47:41,236 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:47:41,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:47:41,236 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:47:41,237 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:47:41,237 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_e0a39480-5ad5-46dd-9fba-d3119aea229a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0a39480-5ad5-46dd-9fba-d3119aea229a/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c57aad23cdcf8081ba5352d473aea77ba42b47e93421a900d6921ce930c9593 [2022-11-19 07:47:41,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:47:41,564 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:47:41,567 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:47:41,568 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:47:41,570 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:47:41,571 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0a39480-5ad5-46dd-9fba-d3119aea229a/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c [2022-11-19 07:47:41,669 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0a39480-5ad5-46dd-9fba-d3119aea229a/bin/utaipan-I9t0OCRTmS/data/d7ca28b08/4e768dbc81fb49b698ef53cd0adaadce/FLAG5700b01ab [2022-11-19 07:47:42,230 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:47:42,230 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0a39480-5ad5-46dd-9fba-d3119aea229a/sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c [2022-11-19 07:47:42,253 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0a39480-5ad5-46dd-9fba-d3119aea229a/bin/utaipan-I9t0OCRTmS/data/d7ca28b08/4e768dbc81fb49b698ef53cd0adaadce/FLAG5700b01ab [2022-11-19 07:47:42,519 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0a39480-5ad5-46dd-9fba-d3119aea229a/bin/utaipan-I9t0OCRTmS/data/d7ca28b08/4e768dbc81fb49b698ef53cd0adaadce [2022-11-19 07:47:42,521 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:47:42,522 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:47:42,524 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:47:42,524 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:47:42,527 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:47:42,528 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:47:42" (1/1) ... [2022-11-19 07:47:42,529 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@680a6e67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:42, skipping insertion in model container [2022-11-19 07:47:42,530 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:47:42" (1/1) ... [2022-11-19 07:47:42,537 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:47:42,570 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:47:42,918 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_e0a39480-5ad5-46dd-9fba-d3119aea229a/sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c[15113,15126] [2022-11-19 07:47:42,934 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:47:42,943 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:47:43,010 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_e0a39480-5ad5-46dd-9fba-d3119aea229a/sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c[15113,15126] [2022-11-19 07:47:43,021 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:47:43,047 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:47:43,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:43 WrapperNode [2022-11-19 07:47:43,048 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:47:43,049 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:47:43,049 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:47:43,049 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:47:43,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:43" (1/1) ... [2022-11-19 07:47:43,079 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:43" (1/1) ... [2022-11-19 07:47:43,113 INFO L138 Inliner]: procedures = 55, calls = 97, calls flagged for inlining = 21, calls inlined = 18, statements flattened = 171 [2022-11-19 07:47:43,114 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:47:43,116 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:47:43,116 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:47:43,116 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:47:43,126 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:43" (1/1) ... [2022-11-19 07:47:43,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:43" (1/1) ... [2022-11-19 07:47:43,128 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:43" (1/1) ... [2022-11-19 07:47:43,128 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:43" (1/1) ... [2022-11-19 07:47:43,132 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:43" (1/1) ... [2022-11-19 07:47:43,136 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:43" (1/1) ... [2022-11-19 07:47:43,138 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:43" (1/1) ... [2022-11-19 07:47:43,139 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:43" (1/1) ... [2022-11-19 07:47:43,141 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:47:43,142 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:47:43,142 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:47:43,143 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:47:43,144 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:43" (1/1) ... [2022-11-19 07:47:43,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:47:43,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0a39480-5ad5-46dd-9fba-d3119aea229a/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:47:43,188 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0a39480-5ad5-46dd-9fba-d3119aea229a/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:47:43,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0a39480-5ad5-46dd-9fba-d3119aea229a/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:47:43,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:47:43,236 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-19 07:47:43,236 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-19 07:47:43,236 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-19 07:47:43,237 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-19 07:47:43,237 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-19 07:47:43,237 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-19 07:47:43,237 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-19 07:47:43,237 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-19 07:47:43,237 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-19 07:47:43,237 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-19 07:47:43,238 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-19 07:47:43,238 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-19 07:47:43,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:47:43,238 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-19 07:47:43,238 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-19 07:47:43,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:47:43,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:47:43,363 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:47:43,365 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:47:43,647 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:47:43,858 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:47:43,864 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-19 07:47:43,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:47:43 BoogieIcfgContainer [2022-11-19 07:47:43,867 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:47:43,870 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:47:43,870 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:47:43,881 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:47:43,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:47:42" (1/3) ... [2022-11-19 07:47:43,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6faa3e28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:47:43, skipping insertion in model container [2022-11-19 07:47:43,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:43" (2/3) ... [2022-11-19 07:47:43,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6faa3e28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:47:43, skipping insertion in model container [2022-11-19 07:47:43,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:47:43" (3/3) ... [2022-11-19 07:47:43,888 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product20.cil.c [2022-11-19 07:47:43,908 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:47:43,908 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 07:47:43,968 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:47:43,975 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;@5a766aaa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:47:43,976 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 07:47:43,980 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 37 states have (on average 1.4594594594594594) internal successors, (54), 44 states have internal predecessors, (54), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-19 07:47:43,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-19 07:47:43,991 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:47:43,991 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:47:43,992 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:47:43,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:47:43,998 INFO L85 PathProgramCache]: Analyzing trace with hash -1731831019, now seen corresponding path program 1 times [2022-11-19 07:47:44,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:47:44,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88278644] [2022-11-19 07:47:44,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:47:44,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:47:44,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:47:44,248 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 07:47:44,249 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:47:44,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88278644] [2022-11-19 07:47:44,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88278644] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:47:44,251 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:47:44,251 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:47:44,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605073020] [2022-11-19 07:47:44,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:47:44,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-19 07:47:44,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:47:44,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-19 07:47:44,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 07:47:44,297 INFO L87 Difference]: Start difference. First operand has 57 states, 37 states have (on average 1.4594594594594594) internal successors, (54), 44 states have internal predecessors, (54), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 07:47:44,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:47:44,406 INFO L93 Difference]: Finished difference Result 112 states and 153 transitions. [2022-11-19 07:47:44,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-19 07:47:44,408 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2022-11-19 07:47:44,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:47:44,417 INFO L225 Difference]: With dead ends: 112 [2022-11-19 07:47:44,418 INFO L226 Difference]: Without dead ends: 52 [2022-11-19 07:47:44,422 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 07:47:44,425 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:47:44,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 57 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:47:44,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-11-19 07:47:44,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2022-11-19 07:47:44,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 40 states have internal predecessors, (46), 11 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-19 07:47:44,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 67 transitions. [2022-11-19 07:47:44,486 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 67 transitions. Word has length 17 [2022-11-19 07:47:44,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:47:44,487 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 67 transitions. [2022-11-19 07:47:44,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 07:47:44,489 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 67 transitions. [2022-11-19 07:47:44,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-19 07:47:44,493 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:47:44,494 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 07:47:44,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:47:44,495 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:47:44,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:47:44,496 INFO L85 PathProgramCache]: Analyzing trace with hash -1400067243, now seen corresponding path program 1 times [2022-11-19 07:47:44,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:47:44,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881934659] [2022-11-19 07:47:44,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:47:44,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:47:44,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:47:44,643 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 07:47:44,644 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:47:44,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881934659] [2022-11-19 07:47:44,645 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881934659] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:47:44,646 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:47:44,646 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:47:44,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208617195] [2022-11-19 07:47:44,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:47:44,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:47:44,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:47:44,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:47:44,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:47:44,654 INFO L87 Difference]: Start difference. First operand 52 states and 67 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 07:47:44,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:47:44,726 INFO L93 Difference]: Finished difference Result 76 states and 96 transitions. [2022-11-19 07:47:44,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:47:44,727 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2022-11-19 07:47:44,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:47:44,730 INFO L225 Difference]: With dead ends: 76 [2022-11-19 07:47:44,731 INFO L226 Difference]: Without dead ends: 44 [2022-11-19 07:47:44,732 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 07:47:44,733 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 14 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:47:44,734 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 70 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 07:47:44,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-11-19 07:47:44,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2022-11-19 07:47:44,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 35 states have internal predecessors, (40), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-19 07:47:44,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 56 transitions. [2022-11-19 07:47:44,743 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 56 transitions. Word has length 18 [2022-11-19 07:47:44,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:47:44,743 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 56 transitions. [2022-11-19 07:47:44,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 07:47:44,744 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2022-11-19 07:47:44,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-19 07:47:44,744 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:47:44,745 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] [2022-11-19 07:47:44,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:47:44,745 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:47:44,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:47:44,746 INFO L85 PathProgramCache]: Analyzing trace with hash -1108894623, now seen corresponding path program 1 times [2022-11-19 07:47:44,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:47:44,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663572276] [2022-11-19 07:47:44,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:47:44,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:47:44,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:47:44,810 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 07:47:44,810 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:47:44,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663572276] [2022-11-19 07:47:44,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663572276] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:47:44,811 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:47:44,811 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:47:44,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227615003] [2022-11-19 07:47:44,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:47:44,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:47:44,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:47:44,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:47:44,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:47:44,813 INFO L87 Difference]: Start difference. First operand 44 states and 56 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 07:47:44,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:47:44,876 INFO L93 Difference]: Finished difference Result 128 states and 165 transitions. [2022-11-19 07:47:44,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:47:44,876 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2022-11-19 07:47:44,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:47:44,878 INFO L225 Difference]: With dead ends: 128 [2022-11-19 07:47:44,878 INFO L226 Difference]: Without dead ends: 86 [2022-11-19 07:47:44,879 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 07:47:44,880 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 50 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:47:44,880 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 100 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 07:47:44,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2022-11-19 07:47:44,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 83. [2022-11-19 07:47:44,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 54 states have (on average 1.3888888888888888) internal successors, (75), 65 states have internal predecessors, (75), 16 states have call successors, (16), 12 states have call predecessors, (16), 12 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-19 07:47:44,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 107 transitions. [2022-11-19 07:47:44,898 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 107 transitions. Word has length 21 [2022-11-19 07:47:44,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:47:44,898 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 107 transitions. [2022-11-19 07:47:44,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 07:47:44,899 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 107 transitions. [2022-11-19 07:47:44,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-19 07:47:44,900 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:47:44,900 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 07:47:44,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 07:47:44,900 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:47:44,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:47:44,901 INFO L85 PathProgramCache]: Analyzing trace with hash 960766428, now seen corresponding path program 1 times [2022-11-19 07:47:44,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:47:44,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731474342] [2022-11-19 07:47:44,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:47:44,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:47:44,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:47:45,078 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 07:47:45,079 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:47:45,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731474342] [2022-11-19 07:47:45,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731474342] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:47:45,079 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:47:45,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-19 07:47:45,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727485378] [2022-11-19 07:47:45,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:47:45,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 07:47:45,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:47:45,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 07:47:45,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-19 07:47:45,082 INFO L87 Difference]: Start difference. First operand 83 states and 107 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 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 07:47:45,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:47:45,219 INFO L93 Difference]: Finished difference Result 241 states and 314 transitions. [2022-11-19 07:47:45,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-19 07:47:45,220 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 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 24 [2022-11-19 07:47:45,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:47:45,223 INFO L225 Difference]: With dead ends: 241 [2022-11-19 07:47:45,223 INFO L226 Difference]: Without dead ends: 160 [2022-11-19 07:47:45,224 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-19 07:47:45,225 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 33 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:47:45,226 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 219 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:47:45,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2022-11-19 07:47:45,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 152. [2022-11-19 07:47:45,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 99 states have (on average 1.3636363636363635) internal successors, (135), 118 states have internal predecessors, (135), 30 states have call successors, (30), 22 states have call predecessors, (30), 22 states have return successors, (30), 20 states have call predecessors, (30), 30 states have call successors, (30) [2022-11-19 07:47:45,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 195 transitions. [2022-11-19 07:47:45,249 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 195 transitions. Word has length 24 [2022-11-19 07:47:45,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:47:45,250 INFO L495 AbstractCegarLoop]: Abstraction has 152 states and 195 transitions. [2022-11-19 07:47:45,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 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 07:47:45,250 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 195 transitions. [2022-11-19 07:47:45,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-19 07:47:45,252 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:47:45,252 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:47:45,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 07:47:45,253 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:47:45,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:47:45,253 INFO L85 PathProgramCache]: Analyzing trace with hash -726835822, now seen corresponding path program 1 times [2022-11-19 07:47:45,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:47:45,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974205760] [2022-11-19 07:47:45,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:47:45,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:47:45,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:47:45,434 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 07:47:45,434 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:47:45,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974205760] [2022-11-19 07:47:45,436 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974205760] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:47:45,436 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:47:45,436 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:47:45,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861455250] [2022-11-19 07:47:45,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:47:45,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:47:45,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:47:45,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:47:45,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:47:45,444 INFO L87 Difference]: Start difference. First operand 152 states and 195 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-19 07:47:45,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:47:45,513 INFO L93 Difference]: Finished difference Result 278 states and 355 transitions. [2022-11-19 07:47:45,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:47:45,515 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2022-11-19 07:47:45,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:47:45,520 INFO L225 Difference]: With dead ends: 278 [2022-11-19 07:47:45,521 INFO L226 Difference]: Without dead ends: 0 [2022-11-19 07:47:45,525 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:47:45,528 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 24 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:47:45,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 55 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 07:47:45,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-19 07:47:45,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-19 07:47:45,533 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 07:47:45,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-19 07:47:45,533 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2022-11-19 07:47:45,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:47:45,534 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-19 07:47:45,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-19 07:47:45,534 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-19 07:47:45,534 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-19 07:47:45,537 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-19 07:47:45,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 07:47:45,541 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-19 07:47:45,947 INFO L902 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 841 848) the Hoare annotation is: true [2022-11-19 07:47:45,947 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 841 848) no Hoare annotation was computed. [2022-11-19 07:47:45,947 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 800 806) no Hoare annotation was computed. [2022-11-19 07:47:45,947 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 800 806) the Hoare annotation is: true [2022-11-19 07:47:45,947 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 162 173) the Hoare annotation is: true [2022-11-19 07:47:45,948 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 162 173) no Hoare annotation was computed. [2022-11-19 07:47:45,948 INFO L899 garLoopResultBuilder]: For program point L787-1(lines 787 793) no Hoare annotation was computed. [2022-11-19 07:47:45,948 INFO L899 garLoopResultBuilder]: For program point L816(lines 816 824) no Hoare annotation was computed. [2022-11-19 07:47:45,948 INFO L895 garLoopResultBuilder]: At program point L812(lines 812 829) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-19 07:47:45,948 INFO L899 garLoopResultBuilder]: For program point L780-1(lines 779 798) no Hoare annotation was computed. [2022-11-19 07:47:45,948 INFO L899 garLoopResultBuilder]: For program point L74(lines 74 84) no Hoare annotation was computed. [2022-11-19 07:47:45,949 INFO L895 garLoopResultBuilder]: At program point L70(lines 70 87) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) (= |timeShift___utac_acc__Specification2_spec__2_~tmp~0#1| 0)) (or .cse0 (= ~pumpRunning~0 0)))) [2022-11-19 07:47:45,949 INFO L895 garLoopResultBuilder]: At program point L70-1(lines 62 90) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) (= |timeShift___utac_acc__Specification2_spec__2_~tmp~0#1| 0)) (or .cse0 (= ~pumpRunning~0 0)))) [2022-11-19 07:47:45,950 INFO L895 garLoopResultBuilder]: At program point L822(line 822) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-19 07:47:45,950 INFO L895 garLoopResultBuilder]: At program point L818(line 818) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-19 07:47:45,950 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 81) no Hoare annotation was computed. [2022-11-19 07:47:45,951 INFO L895 garLoopResultBuilder]: At program point L827(line 827) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-19 07:47:45,951 INFO L895 garLoopResultBuilder]: At program point L827-1(lines 808 832) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-19 07:47:45,952 INFO L895 garLoopResultBuilder]: At program point L695(line 695) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-19 07:47:45,952 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 776 799) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-19 07:47:45,952 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 776 799) no Hoare annotation was computed. [2022-11-19 07:47:45,952 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 695) no Hoare annotation was computed. [2022-11-19 07:47:45,952 INFO L895 garLoopResultBuilder]: At program point L68(line 68) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-19 07:47:45,952 INFO L899 garLoopResultBuilder]: For program point L68-1(line 68) no Hoare annotation was computed. [2022-11-19 07:47:45,952 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 227 256) no Hoare annotation was computed. [2022-11-19 07:47:45,953 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 227 256) the Hoare annotation is: true [2022-11-19 07:47:45,954 INFO L902 garLoopResultBuilder]: At program point L252(lines 227 256) the Hoare annotation is: true [2022-11-19 07:47:45,954 INFO L899 garLoopResultBuilder]: For program point L248(line 248) no Hoare annotation was computed. [2022-11-19 07:47:45,954 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 245) no Hoare annotation was computed. [2022-11-19 07:47:45,954 INFO L902 garLoopResultBuilder]: At program point L241-1(lines 241 245) the Hoare annotation is: true [2022-11-19 07:47:45,954 INFO L902 garLoopResultBuilder]: At program point L237-2(lines 237 251) the Hoare annotation is: true [2022-11-19 07:47:45,954 INFO L902 garLoopResultBuilder]: At program point L233(line 233) the Hoare annotation is: true [2022-11-19 07:47:45,954 INFO L899 garLoopResultBuilder]: For program point L233-1(line 233) no Hoare annotation was computed. [2022-11-19 07:47:45,955 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 174 182) the Hoare annotation is: true [2022-11-19 07:47:45,955 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 174 182) no Hoare annotation was computed. [2022-11-19 07:47:45,955 INFO L895 garLoopResultBuilder]: At program point L762(lines 711 763) the Hoare annotation is: false [2022-11-19 07:47:45,955 INFO L899 garLoopResultBuilder]: For program point L750(lines 750 756) no Hoare annotation was computed. [2022-11-19 07:47:45,955 INFO L895 garLoopResultBuilder]: At program point L750-2(lines 742 757) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-19 07:47:45,955 INFO L899 garLoopResultBuilder]: For program point L713(lines 712 761) no Hoare annotation was computed. [2022-11-19 07:47:45,956 INFO L895 garLoopResultBuilder]: At program point L742(lines 742 757) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-19 07:47:45,956 INFO L899 garLoopResultBuilder]: For program point L928(lines 928 934) no Hoare annotation was computed. [2022-11-19 07:47:45,956 INFO L895 garLoopResultBuilder]: At program point L928-1(lines 928 934) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-19 07:47:45,956 INFO L895 garLoopResultBuilder]: At program point L734(line 734) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-19 07:47:45,956 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-11-19 07:47:45,956 INFO L895 garLoopResultBuilder]: At program point L759(lines 712 761) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-19 07:47:45,959 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 728) no Hoare annotation was computed. [2022-11-19 07:47:45,960 INFO L899 garLoopResultBuilder]: For program point L722-1(lines 722 728) no Hoare annotation was computed. [2022-11-19 07:47:45,960 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-19 07:47:45,961 INFO L895 garLoopResultBuilder]: At program point L930(line 930) the Hoare annotation is: false [2022-11-19 07:47:45,961 INFO L902 garLoopResultBuilder]: At program point L765(lines 702 769) the Hoare annotation is: true [2022-11-19 07:47:45,961 INFO L899 garLoopResultBuilder]: For program point L732(lines 732 738) no Hoare annotation was computed. [2022-11-19 07:47:45,961 INFO L899 garLoopResultBuilder]: For program point L732-1(lines 732 738) no Hoare annotation was computed. [2022-11-19 07:47:45,961 INFO L895 garLoopResultBuilder]: At program point L311(lines 311 318) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-11-19 07:47:45,961 INFO L902 garLoopResultBuilder]: At program point L311-2(lines 311 318) the Hoare annotation is: true [2022-11-19 07:47:45,961 INFO L895 garLoopResultBuilder]: At program point L724(line 724) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-19 07:47:45,962 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 150 161) no Hoare annotation was computed. [2022-11-19 07:47:45,962 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 150 161) the Hoare annotation is: true [2022-11-19 07:47:45,965 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-19 07:47:45,968 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 07:47:45,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:47:45 BoogieIcfgContainer [2022-11-19 07:47:45,989 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 07:47:45,990 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 07:47:45,990 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 07:47:45,990 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 07:47:45,990 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:47:43" (3/4) ... [2022-11-19 07:47:45,993 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 07:47:46,000 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-19 07:47:46,000 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-19 07:47:46,000 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-19 07:47:46,000 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-19 07:47:46,001 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-19 07:47:46,001 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-19 07:47:46,001 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-19 07:47:46,016 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 42 nodes and edges [2022-11-19 07:47:46,016 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-19 07:47:46,017 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-19 07:47:46,017 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 07:47:46,018 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 07:47:46,054 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-11-19 07:47:46,056 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-11-19 07:47:46,056 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-11-19 07:47:46,058 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || tmp == 0) && (!(\old(pumpRunning) == 0) || pumpRunning == 0) [2022-11-19 07:47:46,058 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || tmp == 0) && (!(\old(pumpRunning) == 0) || pumpRunning == 0) [2022-11-19 07:47:46,059 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-11-19 07:47:46,086 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0a39480-5ad5-46dd-9fba-d3119aea229a/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 07:47:46,086 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 07:47:46,087 INFO L158 Benchmark]: Toolchain (without parser) took 3564.55ms. Allocated memory was 94.4MB in the beginning and 115.3MB in the end (delta: 21.0MB). Free memory was 62.0MB in the beginning and 46.9MB in the end (delta: 15.2MB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. [2022-11-19 07:47:46,087 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 94.4MB. Free memory was 49.3MB in the beginning and 49.3MB in the end (delta: 8.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:47:46,088 INFO L158 Benchmark]: CACSL2BoogieTranslator took 524.07ms. Allocated memory is still 94.4MB. Free memory was 61.8MB in the beginning and 63.4MB in the end (delta: -1.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-19 07:47:46,088 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.67ms. Allocated memory is still 94.4MB. Free memory was 63.4MB in the beginning and 61.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:47:46,088 INFO L158 Benchmark]: Boogie Preprocessor took 25.97ms. Allocated memory is still 94.4MB. Free memory was 61.3MB in the beginning and 59.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:47:46,088 INFO L158 Benchmark]: RCFGBuilder took 725.22ms. Allocated memory was 94.4MB in the beginning and 115.3MB in the end (delta: 21.0MB). Free memory was 59.7MB in the beginning and 88.3MB in the end (delta: -28.6MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2022-11-19 07:47:46,089 INFO L158 Benchmark]: TraceAbstraction took 2119.06ms. Allocated memory is still 115.3MB. Free memory was 87.4MB in the beginning and 52.0MB in the end (delta: 35.4MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. [2022-11-19 07:47:46,089 INFO L158 Benchmark]: Witness Printer took 96.88ms. Allocated memory is still 115.3MB. Free memory was 52.0MB in the beginning and 46.9MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-19 07:47:46,091 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 94.4MB. Free memory was 49.3MB in the beginning and 49.3MB in the end (delta: 8.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 524.07ms. Allocated memory is still 94.4MB. Free memory was 61.8MB in the beginning and 63.4MB in the end (delta: -1.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.67ms. Allocated memory is still 94.4MB. Free memory was 63.4MB in the beginning and 61.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.97ms. Allocated memory is still 94.4MB. Free memory was 61.3MB in the beginning and 59.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 725.22ms. Allocated memory was 94.4MB in the beginning and 115.3MB in the end (delta: 21.0MB). Free memory was 59.7MB in the beginning and 88.3MB in the end (delta: -28.6MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2119.06ms. Allocated memory is still 115.3MB. Free memory was 87.4MB in the beginning and 52.0MB in the end (delta: 35.4MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. * Witness Printer took 96.88ms. Allocated memory is still 115.3MB. Free memory was 52.0MB in the beginning and 46.9MB in the end (delta: 5.1MB). 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: 695]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 57 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 127 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 121 mSDsluCounter, 501 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 265 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 184 IncrementalHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 236 mSDtfsCounter, 184 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=152occurred in iteration=4, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 11 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 254 PreInvPairs, 295 NumberOfFragments, 161 HoareAnnotationTreeSize, 254 FomulaSimplifications, 56 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 844 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 107 NumberOfCodeBlocks, 107 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 102 ConstructedInterpolants, 0 QuantifiedInterpolants, 190 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 712]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 928]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 808]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || tmp == 0) && (!(\old(pumpRunning) == 0) || pumpRunning == 0) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || tmp == 0) && (!(\old(pumpRunning) == 0) || pumpRunning == 0) - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive RESULT: Ultimate proved your program to be correct! [2022-11-19 07:47:46,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0a39480-5ad5-46dd-9fba-d3119aea229a/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