./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea80befb-9cb9-4877-94c8-2a6d41574fd3/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea80befb-9cb9-4877-94c8-2a6d41574fd3/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea80befb-9cb9-4877-94c8-2a6d41574fd3/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea80befb-9cb9-4877-94c8-2a6d41574fd3/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea80befb-9cb9-4877-94c8-2a6d41574fd3/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea80befb-9cb9-4877-94c8-2a6d41574fd3/bin/utaipan-6cKwYrpEi9 --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 a7cd784867b5981272ba60caba7961cbaf680a952b35b095dbec7935be0f5966 --- 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-6b4ec56 [2022-11-20 19:51:05,332 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 19:51:05,334 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 19:51:05,369 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 19:51:05,370 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 19:51:05,371 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 19:51:05,373 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 19:51:05,378 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 19:51:05,383 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 19:51:05,391 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 19:51:05,393 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 19:51:05,396 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 19:51:05,396 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 19:51:05,399 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 19:51:05,402 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 19:51:05,403 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 19:51:05,404 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 19:51:05,405 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 19:51:05,406 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 19:51:05,408 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 19:51:05,410 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 19:51:05,416 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 19:51:05,418 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 19:51:05,419 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 19:51:05,429 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 19:51:05,430 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 19:51:05,430 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 19:51:05,432 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 19:51:05,433 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 19:51:05,434 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 19:51:05,434 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 19:51:05,435 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 19:51:05,437 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 19:51:05,438 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 19:51:05,439 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 19:51:05,439 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 19:51:05,440 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 19:51:05,440 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 19:51:05,440 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 19:51:05,441 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 19:51:05,442 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 19:51:05,443 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea80befb-9cb9-4877-94c8-2a6d41574fd3/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-20 19:51:05,484 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 19:51:05,484 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 19:51:05,485 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 19:51:05,485 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 19:51:05,486 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 19:51:05,486 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 19:51:05,487 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 19:51:05,487 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 19:51:05,487 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 19:51:05,487 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 19:51:05,488 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 19:51:05,488 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 19:51:05,489 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 19:51:05,489 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 19:51:05,489 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 19:51:05,489 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 19:51:05,489 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 19:51:05,490 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 19:51:05,490 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 19:51:05,491 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 19:51:05,491 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 19:51:05,491 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 19:51:05,491 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 19:51:05,491 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 19:51:05,492 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 19:51:05,492 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 19:51:05,492 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 19:51:05,492 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 19:51:05,492 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 19:51:05,493 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 19:51:05,493 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 19:51:05,493 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 19:51:05,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 19:51:05,494 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 19:51:05,494 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 19:51:05,494 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 19:51:05,494 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 19:51:05,494 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 19:51:05,495 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 19:51:05,495 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 19:51:05,495 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 19:51:05,495 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_ea80befb-9cb9-4877-94c8-2a6d41574fd3/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea80befb-9cb9-4877-94c8-2a6d41574fd3/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7cd784867b5981272ba60caba7961cbaf680a952b35b095dbec7935be0f5966 [2022-11-20 19:51:05,785 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 19:51:05,820 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 19:51:05,823 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 19:51:05,824 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 19:51:05,825 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 19:51:05,826 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea80befb-9cb9-4877-94c8-2a6d41574fd3/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c [2022-11-20 19:51:08,955 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 19:51:09,184 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 19:51:09,184 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea80befb-9cb9-4877-94c8-2a6d41574fd3/sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c [2022-11-20 19:51:09,196 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea80befb-9cb9-4877-94c8-2a6d41574fd3/bin/utaipan-6cKwYrpEi9/data/dd5a75121/3d35724c593d444887e2c8f308e06e5a/FLAGf4f242da6 [2022-11-20 19:51:09,216 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea80befb-9cb9-4877-94c8-2a6d41574fd3/bin/utaipan-6cKwYrpEi9/data/dd5a75121/3d35724c593d444887e2c8f308e06e5a [2022-11-20 19:51:09,223 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 19:51:09,224 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 19:51:09,227 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 19:51:09,227 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 19:51:09,231 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 19:51:09,231 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:51:09" (1/1) ... [2022-11-20 19:51:09,234 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ffb52de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:51:09, skipping insertion in model container [2022-11-20 19:51:09,235 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:51:09" (1/1) ... [2022-11-20 19:51:09,242 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 19:51:09,293 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 19:51:09,499 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea80befb-9cb9-4877-94c8-2a6d41574fd3/sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c[1605,1618] [2022-11-20 19:51:09,655 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 19:51:09,675 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 19:51:09,701 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea80befb-9cb9-4877-94c8-2a6d41574fd3/sv-benchmarks/c/product-lines/minepump_spec1_product20.cil.c[1605,1618] [2022-11-20 19:51:09,768 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 19:51:09,785 INFO L208 MainTranslator]: Completed translation [2022-11-20 19:51:09,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:51:09 WrapperNode [2022-11-20 19:51:09,786 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 19:51:09,787 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 19:51:09,787 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 19:51:09,787 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 19:51:09,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:51:09" (1/1) ... [2022-11-20 19:51:09,807 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:51:09" (1/1) ... [2022-11-20 19:51:09,832 INFO L138 Inliner]: procedures = 54, calls = 96, calls flagged for inlining = 20, calls inlined = 17, statements flattened = 163 [2022-11-20 19:51:09,832 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 19:51:09,833 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 19:51:09,833 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 19:51:09,833 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 19:51:09,847 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:51:09" (1/1) ... [2022-11-20 19:51:09,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:51:09" (1/1) ... [2022-11-20 19:51:09,850 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:51:09" (1/1) ... [2022-11-20 19:51:09,850 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:51:09" (1/1) ... [2022-11-20 19:51:09,855 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:51:09" (1/1) ... [2022-11-20 19:51:09,859 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:51:09" (1/1) ... [2022-11-20 19:51:09,861 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:51:09" (1/1) ... [2022-11-20 19:51:09,862 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:51:09" (1/1) ... [2022-11-20 19:51:09,864 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 19:51:09,865 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 19:51:09,865 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 19:51:09,865 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 19:51:09,866 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:51:09" (1/1) ... [2022-11-20 19:51:09,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 19:51:09,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea80befb-9cb9-4877-94c8-2a6d41574fd3/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:51:09,917 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea80befb-9cb9-4877-94c8-2a6d41574fd3/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 19:51:09,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea80befb-9cb9-4877-94c8-2a6d41574fd3/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 19:51:09,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 19:51:09,956 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-20 19:51:09,956 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-20 19:51:09,956 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-20 19:51:09,956 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-20 19:51:09,956 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-20 19:51:09,956 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-20 19:51:09,956 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-20 19:51:09,957 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-20 19:51:09,957 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-20 19:51:09,957 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-20 19:51:09,957 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-20 19:51:09,957 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-20 19:51:09,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 19:51:09,958 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-20 19:51:09,958 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-20 19:51:09,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 19:51:09,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 19:51:10,038 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 19:51:10,041 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 19:51:10,276 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 19:51:10,452 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 19:51:10,452 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 19:51:10,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:51:10 BoogieIcfgContainer [2022-11-20 19:51:10,456 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 19:51:10,458 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 19:51:10,458 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 19:51:10,462 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 19:51:10,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:51:09" (1/3) ... [2022-11-20 19:51:10,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3818bc37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:51:10, skipping insertion in model container [2022-11-20 19:51:10,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:51:09" (2/3) ... [2022-11-20 19:51:10,464 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3818bc37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:51:10, skipping insertion in model container [2022-11-20 19:51:10,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:51:10" (3/3) ... [2022-11-20 19:51:10,465 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product20.cil.c [2022-11-20 19:51:10,499 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 19:51:10,499 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 19:51:10,564 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 19:51:10,571 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;@569ecdbd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 19:51:10,572 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 19:51:10,577 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 36 states have (on average 1.4444444444444444) internal successors, (52), 43 states have internal predecessors, (52), 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) [2022-11-20 19:51:10,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 19:51:10,587 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:51:10,588 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:51:10,588 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:51:10,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:51:10,598 INFO L85 PathProgramCache]: Analyzing trace with hash 103575056, now seen corresponding path program 1 times [2022-11-20 19:51:10,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:51:10,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411635304] [2022-11-20 19:51:10,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:51:10,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:51:10,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:51:10,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:51:10,799 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:51:10,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411635304] [2022-11-20 19:51:10,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411635304] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:51:10,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:51:10,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 19:51:10,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183837907] [2022-11-20 19:51:10,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:51:10,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 19:51:10,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:51:10,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 19:51:10,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 19:51:10,877 INFO L87 Difference]: Start difference. First operand has 56 states, 36 states have (on average 1.4444444444444444) internal successors, (52), 43 states have internal predecessors, (52), 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 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 19:51:11,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:51:11,002 INFO L93 Difference]: Finished difference Result 110 states and 149 transitions. [2022-11-20 19:51:11,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 19:51:11,005 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2022-11-20 19:51:11,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:51:11,014 INFO L225 Difference]: With dead ends: 110 [2022-11-20 19:51:11,015 INFO L226 Difference]: Without dead ends: 51 [2022-11-20 19:51:11,020 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 [2022-11-20 19:51:11,024 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 55 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 [2022-11-20 19:51:11,026 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 55 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 19:51:11,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-11-20 19:51:11,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2022-11-20 19:51:11,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 39 states have internal predecessors, (44), 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) [2022-11-20 19:51:11,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 65 transitions. [2022-11-20 19:51:11,080 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 65 transitions. Word has length 16 [2022-11-20 19:51:11,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:51:11,081 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 65 transitions. [2022-11-20 19:51:11,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 19:51:11,082 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2022-11-20 19:51:11,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 19:51:11,083 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:51:11,084 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 19:51:11,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 19:51:11,084 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:51:11,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:51:11,085 INFO L85 PathProgramCache]: Analyzing trace with hash -1203792611, now seen corresponding path program 1 times [2022-11-20 19:51:11,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:51:11,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229989394] [2022-11-20 19:51:11,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:51:11,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:51:11,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:51:11,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:51:11,215 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:51:11,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229989394] [2022-11-20 19:51:11,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229989394] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:51:11,217 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:51:11,217 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 19:51:11,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192340646] [2022-11-20 19:51:11,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:51:11,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 19:51:11,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:51:11,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 19:51:11,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 19:51:11,222 INFO L87 Difference]: Start difference. First operand 51 states and 65 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 19:51:11,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:51:11,279 INFO L93 Difference]: Finished difference Result 74 states and 92 transitions. [2022-11-20 19:51:11,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 19:51:11,279 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2022-11-20 19:51:11,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:51:11,280 INFO L225 Difference]: With dead ends: 74 [2022-11-20 19:51:11,281 INFO L226 Difference]: Without dead ends: 43 [2022-11-20 19:51:11,281 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 [2022-11-20 19:51:11,283 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 14 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 66 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 [2022-11-20 19:51:11,283 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 66 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 19:51:11,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-11-20 19:51:11,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2022-11-20 19:51:11,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 28 states have (on average 1.3571428571428572) internal successors, (38), 34 states have internal predecessors, (38), 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) [2022-11-20 19:51:11,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 54 transitions. [2022-11-20 19:51:11,292 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 54 transitions. Word has length 17 [2022-11-20 19:51:11,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:51:11,292 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 54 transitions. [2022-11-20 19:51:11,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 19:51:11,293 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 54 transitions. [2022-11-20 19:51:11,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 19:51:11,294 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:51:11,294 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] [2022-11-20 19:51:11,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 19:51:11,294 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:51:11,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:51:11,295 INFO L85 PathProgramCache]: Analyzing trace with hash -1858978356, now seen corresponding path program 1 times [2022-11-20 19:51:11,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:51:11,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263518568] [2022-11-20 19:51:11,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:51:11,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:51:11,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:51:11,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:51:11,499 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:51:11,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263518568] [2022-11-20 19:51:11,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263518568] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:51:11,501 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:51:11,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 19:51:11,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63619757] [2022-11-20 19:51:11,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:51:11,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 19:51:11,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:51:11,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 19:51:11,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 19:51:11,506 INFO L87 Difference]: Start difference. First operand 43 states and 54 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 19:51:11,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:51:11,660 INFO L93 Difference]: Finished difference Result 117 states and 148 transitions. [2022-11-20 19:51:11,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 19:51:11,661 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2022-11-20 19:51:11,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:51:11,663 INFO L225 Difference]: With dead ends: 117 [2022-11-20 19:51:11,664 INFO L226 Difference]: Without dead ends: 76 [2022-11-20 19:51:11,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 19:51:11,667 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 77 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 19:51:11,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 109 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 19:51:11,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-11-20 19:51:11,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 73. [2022-11-20 19:51:11,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 48 states have (on average 1.3541666666666667) internal successors, (65), 57 states have internal predecessors, (65), 13 states have call successors, (13), 11 states have call predecessors, (13), 11 states have return successors, (14), 10 states have call predecessors, (14), 13 states have call successors, (14) [2022-11-20 19:51:11,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 92 transitions. [2022-11-20 19:51:11,690 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 92 transitions. Word has length 20 [2022-11-20 19:51:11,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:51:11,691 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 92 transitions. [2022-11-20 19:51:11,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 19:51:11,691 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 92 transitions. [2022-11-20 19:51:11,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 19:51:11,692 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:51:11,692 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] [2022-11-20 19:51:11,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 19:51:11,693 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:51:11,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:51:11,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1727349143, now seen corresponding path program 1 times [2022-11-20 19:51:11,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:51:11,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082447161] [2022-11-20 19:51:11,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:51:11,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:51:11,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:51:11,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:51:11,827 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:51:11,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082447161] [2022-11-20 19:51:11,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082447161] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:51:11,828 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:51:11,828 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 19:51:11,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608228079] [2022-11-20 19:51:11,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:51:11,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 19:51:11,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:51:11,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 19:51:11,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 19:51:11,833 INFO L87 Difference]: Start difference. First operand 73 states and 92 transitions. Second operand has 6 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 19:51:12,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:51:12,019 INFO L93 Difference]: Finished difference Result 213 states and 275 transitions. [2022-11-20 19:51:12,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 19:51:12,021 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2022-11-20 19:51:12,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:51:12,023 INFO L225 Difference]: With dead ends: 213 [2022-11-20 19:51:12,023 INFO L226 Difference]: Without dead ends: 142 [2022-11-20 19:51:12,024 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 [2022-11-20 19:51:12,025 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 33 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 209 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 [2022-11-20 19:51:12,026 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 209 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 19:51:12,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2022-11-20 19:51:12,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 134. [2022-11-20 19:51:12,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 89 states have (on average 1.3370786516853932) internal successors, (119), 104 states have internal predecessors, (119), 24 states have call successors, (24), 20 states have call predecessors, (24), 20 states have return successors, (26), 18 states have call predecessors, (26), 24 states have call successors, (26) [2022-11-20 19:51:12,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 169 transitions. [2022-11-20 19:51:12,080 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 169 transitions. Word has length 23 [2022-11-20 19:51:12,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:51:12,080 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 169 transitions. [2022-11-20 19:51:12,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 19:51:12,081 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 169 transitions. [2022-11-20 19:51:12,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 19:51:12,082 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:51:12,082 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] [2022-11-20 19:51:12,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 19:51:12,083 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 19:51:12,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:51:12,083 INFO L85 PathProgramCache]: Analyzing trace with hash -611318931, now seen corresponding path program 1 times [2022-11-20 19:51:12,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 19:51:12,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128762341] [2022-11-20 19:51:12,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:51:12,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 19:51:12,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:51:12,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 19:51:12,275 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 19:51:12,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128762341] [2022-11-20 19:51:12,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128762341] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:51:12,276 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:51:12,276 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 19:51:12,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290906906] [2022-11-20 19:51:12,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:51:12,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 19:51:12,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 19:51:12,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 19:51:12,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 19:51:12,278 INFO L87 Difference]: Start difference. First operand 134 states and 169 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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) [2022-11-20 19:51:12,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:51:12,345 INFO L93 Difference]: Finished difference Result 250 states and 320 transitions. [2022-11-20 19:51:12,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 19:51:12,345 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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 26 [2022-11-20 19:51:12,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:51:12,351 INFO L225 Difference]: With dead ends: 250 [2022-11-20 19:51:12,351 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 19:51:12,356 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 [2022-11-20 19:51:12,360 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 [2022-11-20 19:51:12,361 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] [2022-11-20 19:51:12,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 19:51:12,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 19:51:12,361 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) [2022-11-20 19:51:12,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 19:51:12,362 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2022-11-20 19:51:12,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:51:12,362 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 19:51:12,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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) [2022-11-20 19:51:12,362 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 19:51:12,363 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 19:51:12,365 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 19:51:12,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 19:51:12,368 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 19:51:12,892 INFO L902 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 310 317) the Hoare annotation is: true [2022-11-20 19:51:12,892 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 310 317) no Hoare annotation was computed. [2022-11-20 19:51:12,893 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 269 275) no Hoare annotation was computed. [2022-11-20 19:51:12,893 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 269 275) the Hoare annotation is: true [2022-11-20 19:51:12,893 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 444 455) the Hoare annotation is: true [2022-11-20 19:51:12,893 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 444 455) no Hoare annotation was computed. [2022-11-20 19:51:12,893 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 456 464) the Hoare annotation is: true [2022-11-20 19:51:12,893 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 456 464) no Hoare annotation was computed. [2022-11-20 19:51:12,893 INFO L895 garLoopResultBuilder]: At program point L287(line 287) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-20 19:51:12,894 INFO L895 garLoopResultBuilder]: At program point L296(line 296) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2022-11-20 19:51:12,894 INFO L895 garLoopResultBuilder]: At program point L296-1(lines 277 301) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2022-11-20 19:51:12,894 INFO L899 garLoopResultBuilder]: For program point L920(lines 920 926) no Hoare annotation was computed. [2022-11-20 19:51:12,894 INFO L895 garLoopResultBuilder]: At program point L916(lines 916 929) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (= ~pumpRunning~0 0)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) (= |timeShift___utac_acc__Specification1_spec__1_~tmp~7#1| 0)))) [2022-11-20 19:51:12,894 INFO L895 garLoopResultBuilder]: At program point L916-1(lines 908 932) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (= ~pumpRunning~0 0)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) (= |timeShift___utac_acc__Specification1_spec__1_~tmp~7#1| 0)))) [2022-11-20 19:51:12,895 INFO L899 garLoopResultBuilder]: For program point L256-1(lines 256 262) no Hoare annotation was computed. [2022-11-20 19:51:12,895 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 293) no Hoare annotation was computed. [2022-11-20 19:51:12,895 INFO L895 garLoopResultBuilder]: At program point L281(lines 281 298) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2022-11-20 19:51:12,895 INFO L895 garLoopResultBuilder]: At program point L54(line 54) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-20 19:51:12,895 INFO L899 garLoopResultBuilder]: For program point L249-1(lines 248 267) no Hoare annotation was computed. [2022-11-20 19:51:12,895 INFO L895 garLoopResultBuilder]: At program point L914(line 914) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-20 19:51:12,895 INFO L899 garLoopResultBuilder]: For program point L914-1(line 914) no Hoare annotation was computed. [2022-11-20 19:51:12,895 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 245 268) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-20 19:51:12,896 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 245 268) no Hoare annotation was computed. [2022-11-20 19:51:12,896 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2022-11-20 19:51:12,896 INFO L895 garLoopResultBuilder]: At program point L291(line 291) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-20 19:51:12,896 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 61 90) no Hoare annotation was computed. [2022-11-20 19:51:12,896 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 61 90) the Hoare annotation is: true [2022-11-20 19:51:12,896 INFO L902 garLoopResultBuilder]: At program point L86(lines 61 90) the Hoare annotation is: true [2022-11-20 19:51:12,896 INFO L899 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2022-11-20 19:51:12,897 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 79) no Hoare annotation was computed. [2022-11-20 19:51:12,897 INFO L902 garLoopResultBuilder]: At program point L75-1(lines 75 79) the Hoare annotation is: true [2022-11-20 19:51:12,897 INFO L902 garLoopResultBuilder]: At program point L71-2(lines 71 85) the Hoare annotation is: true [2022-11-20 19:51:12,897 INFO L902 garLoopResultBuilder]: At program point L67(line 67) the Hoare annotation is: true [2022-11-20 19:51:12,897 INFO L899 garLoopResultBuilder]: For program point L67-1(line 67) no Hoare annotation was computed. [2022-11-20 19:51:12,897 INFO L895 garLoopResultBuilder]: At program point L225(lines 174 226) the Hoare annotation is: false [2022-11-20 19:51:12,897 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 219) no Hoare annotation was computed. [2022-11-20 19:51:12,897 INFO L895 garLoopResultBuilder]: At program point L213-2(lines 205 220) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-20 19:51:12,898 INFO L899 garLoopResultBuilder]: For program point L176(lines 175 224) no Hoare annotation was computed. [2022-11-20 19:51:12,898 INFO L895 garLoopResultBuilder]: At program point L399(line 399) the Hoare annotation is: false [2022-11-20 19:51:12,898 INFO L895 garLoopResultBuilder]: At program point L205(lines 205 220) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-20 19:51:12,898 INFO L895 garLoopResultBuilder]: At program point L197(line 197) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-20 19:51:12,898 INFO L895 garLoopResultBuilder]: At program point L222(lines 175 224) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-20 19:51:12,898 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-11-20 19:51:12,900 INFO L899 garLoopResultBuilder]: For program point L185(lines 185 191) no Hoare annotation was computed. [2022-11-20 19:51:12,900 INFO L899 garLoopResultBuilder]: For program point L185-1(lines 185 191) no Hoare annotation was computed. [2022-11-20 19:51:12,901 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 19:51:12,901 INFO L895 garLoopResultBuilder]: At program point L149(lines 149 156) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_main_~tmp~0#1| 1) (not (= 0 ~systemActive~0))) [2022-11-20 19:51:12,901 INFO L902 garLoopResultBuilder]: At program point L149-2(lines 149 156) the Hoare annotation is: true [2022-11-20 19:51:12,901 INFO L899 garLoopResultBuilder]: For program point L397(lines 397 403) no Hoare annotation was computed. [2022-11-20 19:51:12,902 INFO L895 garLoopResultBuilder]: At program point L397-1(lines 397 403) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-20 19:51:12,902 INFO L902 garLoopResultBuilder]: At program point L228(lines 165 232) the Hoare annotation is: true [2022-11-20 19:51:12,902 INFO L899 garLoopResultBuilder]: For program point L195(lines 195 201) no Hoare annotation was computed. [2022-11-20 19:51:12,902 INFO L899 garLoopResultBuilder]: For program point L195-1(lines 195 201) no Hoare annotation was computed. [2022-11-20 19:51:12,903 INFO L895 garLoopResultBuilder]: At program point L187(line 187) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-20 19:51:12,903 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 432 443) no Hoare annotation was computed. [2022-11-20 19:51:12,903 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 432 443) the Hoare annotation is: true [2022-11-20 19:51:12,907 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-20 19:51:12,909 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 19:51:12,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 07:51:12 BoogieIcfgContainer [2022-11-20 19:51:12,924 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 19:51:12,925 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 19:51:12,925 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 19:51:12,925 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 19:51:12,926 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:51:10" (3/4) ... [2022-11-20 19:51:12,929 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 19:51:12,935 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-20 19:51:12,935 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-20 19:51:12,935 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-20 19:51:12,935 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-20 19:51:12,936 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-20 19:51:12,936 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-20 19:51:12,936 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-20 19:51:12,942 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2022-11-20 19:51:12,943 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-11-20 19:51:12,943 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-20 19:51:12,943 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 19:51:12,944 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 19:51:12,969 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-11-20 19:51:12,970 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) [2022-11-20 19:51:12,971 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) [2022-11-20 19:51:12,971 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || tmp == 0) [2022-11-20 19:51:12,971 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || tmp == 0) [2022-11-20 19:51:12,972 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-11-20 19:51:12,991 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea80befb-9cb9-4877-94c8-2a6d41574fd3/bin/utaipan-6cKwYrpEi9/witness.graphml [2022-11-20 19:51:12,992 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 19:51:12,992 INFO L158 Benchmark]: Toolchain (without parser) took 3768.37ms. Allocated memory is still 232.8MB. Free memory was 186.2MB in the beginning and 93.4MB in the end (delta: 92.8MB). Peak memory consumption was 94.9MB. Max. memory is 16.1GB. [2022-11-20 19:51:12,993 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 146.8MB. Free memory is still 88.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 19:51:12,993 INFO L158 Benchmark]: CACSL2BoogieTranslator took 559.64ms. Allocated memory is still 232.8MB. Free memory was 186.2MB in the beginning and 167.9MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 19:51:12,993 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.62ms. Allocated memory is still 232.8MB. Free memory was 167.9MB in the beginning and 165.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 19:51:12,994 INFO L158 Benchmark]: Boogie Preprocessor took 31.27ms. Allocated memory is still 232.8MB. Free memory was 165.8MB in the beginning and 163.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 19:51:12,994 INFO L158 Benchmark]: RCFGBuilder took 590.73ms. Allocated memory is still 232.8MB. Free memory was 163.7MB in the beginning and 142.7MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-20 19:51:12,995 INFO L158 Benchmark]: TraceAbstraction took 2466.34ms. Allocated memory is still 232.8MB. Free memory was 142.1MB in the beginning and 98.7MB in the end (delta: 43.5MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. [2022-11-20 19:51:12,995 INFO L158 Benchmark]: Witness Printer took 67.02ms. Allocated memory is still 232.8MB. Free memory was 98.7MB in the beginning and 93.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 19:51:12,997 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 146.8MB. Free memory is still 88.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 559.64ms. Allocated memory is still 232.8MB. Free memory was 186.2MB in the beginning and 167.9MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.62ms. Allocated memory is still 232.8MB. Free memory was 167.9MB in the beginning and 165.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.27ms. Allocated memory is still 232.8MB. Free memory was 165.8MB in the beginning and 163.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 590.73ms. Allocated memory is still 232.8MB. Free memory was 163.7MB in the beginning and 142.7MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 2466.34ms. Allocated memory is still 232.8MB. Free memory was 142.1MB in the beginning and 98.7MB in the end (delta: 43.5MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. * Witness Printer took 67.02ms. Allocated memory is still 232.8MB. Free memory was 98.7MB in the beginning and 93.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: 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, 56 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 158 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 148 mSDsluCounter, 494 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 274 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 198 IncrementalHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 220 mSDtfsCounter, 198 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=134occurred in iteration=4, InterpolantAutomatonStates: 22, 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, 243 PreInvPairs, 291 NumberOfFragments, 198 HoareAnnotationTreeSize, 243 FomulaSimplifications, 90 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 966 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 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: 149]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 397]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && tmp == 1) && splverifierCounter == 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || tmp == 0) - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || tmp == 0) - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && tmp == 1) && splverifierCounter == 0 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && tmp == 1) && !(0 == systemActive) - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && tmp == 1) && splverifierCounter == 0 RESULT: Ultimate proved your program to be correct! [2022-11-20 19:51:13,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea80befb-9cb9-4877-94c8-2a6d41574fd3/bin/utaipan-6cKwYrpEi9/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