./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product52.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a 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_3195c82c-9678-4216-9955-9bed4a91364a/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3195c82c-9678-4216-9955-9bed4a91364a/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3195c82c-9678-4216-9955-9bed4a91364a/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3195c82c-9678-4216-9955-9bed4a91364a/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product52.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3195c82c-9678-4216-9955-9bed4a91364a/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3195c82c-9678-4216-9955-9bed4a91364a/bin/utaipan-7li7fVZpFI --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 4074665f53184e0f9778b3e4e6ee9c58d8a047121518f9c126ceccd876afea36 --- 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-5e519f3 [2022-11-03 03:29:00,627 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:29:00,629 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:29:00,658 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:29:00,659 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:29:00,660 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:29:00,662 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:29:00,664 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:29:00,666 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:29:00,667 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:29:00,668 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:29:00,669 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:29:00,669 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:29:00,671 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:29:00,672 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:29:00,673 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:29:00,674 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:29:00,675 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:29:00,677 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:29:00,680 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:29:00,681 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:29:00,683 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:29:00,685 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:29:00,686 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:29:00,690 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:29:00,690 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:29:00,691 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:29:00,692 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:29:00,692 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:29:00,694 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:29:00,694 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:29:00,695 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:29:00,696 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:29:00,697 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:29:00,698 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:29:00,698 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:29:00,699 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:29:00,699 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:29:00,700 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:29:00,701 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:29:00,702 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:29:00,703 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3195c82c-9678-4216-9955-9bed4a91364a/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-03 03:29:00,730 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:29:00,730 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:29:00,730 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:29:00,731 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:29:00,732 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:29:00,732 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:29:00,732 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:29:00,732 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:29:00,733 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:29:00,733 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:29:00,733 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:29:00,733 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:29:00,734 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:29:00,734 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:29:00,734 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:29:00,735 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:29:00,735 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:29:00,735 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:29:00,736 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:29:00,736 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 03:29:00,737 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:29:00,737 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 03:29:00,737 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:29:00,737 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:29:00,738 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:29:00,738 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:29:00,738 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 03:29:00,738 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:29:00,739 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:29:00,739 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:29:00,739 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:29:00,740 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:29:00,740 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:29:00,740 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:29:00,740 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:29:00,741 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:29:00,741 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:29:00,741 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:29:00,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:29:00,742 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:29:00,742 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:29:00,742 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_3195c82c-9678-4216-9955-9bed4a91364a/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3195c82c-9678-4216-9955-9bed4a91364a/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4074665f53184e0f9778b3e4e6ee9c58d8a047121518f9c126ceccd876afea36 [2022-11-03 03:29:01,008 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:29:01,033 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:29:01,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:29:01,038 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:29:01,039 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:29:01,040 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3195c82c-9678-4216-9955-9bed4a91364a/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/product-lines/minepump_spec5_product52.cil.c [2022-11-03 03:29:01,115 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3195c82c-9678-4216-9955-9bed4a91364a/bin/utaipan-7li7fVZpFI/data/a172ca72b/6c308a249d6048e995f2b5eecbbdaf02/FLAGf5902157a [2022-11-03 03:29:01,845 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:29:01,846 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3195c82c-9678-4216-9955-9bed4a91364a/sv-benchmarks/c/product-lines/minepump_spec5_product52.cil.c [2022-11-03 03:29:01,859 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3195c82c-9678-4216-9955-9bed4a91364a/bin/utaipan-7li7fVZpFI/data/a172ca72b/6c308a249d6048e995f2b5eecbbdaf02/FLAGf5902157a [2022-11-03 03:29:02,122 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3195c82c-9678-4216-9955-9bed4a91364a/bin/utaipan-7li7fVZpFI/data/a172ca72b/6c308a249d6048e995f2b5eecbbdaf02 [2022-11-03 03:29:02,125 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:29:02,126 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:29:02,134 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:29:02,134 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:29:02,138 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:29:02,139 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:29:02" (1/1) ... [2022-11-03 03:29:02,141 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b19146b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:02, skipping insertion in model container [2022-11-03 03:29:02,142 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:29:02" (1/1) ... [2022-11-03 03:29:02,151 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:29:02,217 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:29:02,507 WARN L230 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_3195c82c-9678-4216-9955-9bed4a91364a/sv-benchmarks/c/product-lines/minepump_spec5_product52.cil.c[12672,12685] [2022-11-03 03:29:02,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:29:02,589 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:29:02,662 WARN L230 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_3195c82c-9678-4216-9955-9bed4a91364a/sv-benchmarks/c/product-lines/minepump_spec5_product52.cil.c[12672,12685] [2022-11-03 03:29:02,682 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:29:02,700 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:29:02,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:02 WrapperNode [2022-11-03 03:29:02,701 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:29:02,702 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:29:02,702 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:29:02,703 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:29:02,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:02" (1/1) ... [2022-11-03 03:29:02,750 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:02" (1/1) ... [2022-11-03 03:29:02,780 INFO L138 Inliner]: procedures = 59, calls = 160, calls flagged for inlining = 26, calls inlined = 22, statements flattened = 268 [2022-11-03 03:29:02,784 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:29:02,786 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:29:02,787 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:29:02,787 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:29:02,798 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:02" (1/1) ... [2022-11-03 03:29:02,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:02" (1/1) ... [2022-11-03 03:29:02,801 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:02" (1/1) ... [2022-11-03 03:29:02,802 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:02" (1/1) ... [2022-11-03 03:29:02,808 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:02" (1/1) ... [2022-11-03 03:29:02,814 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:02" (1/1) ... [2022-11-03 03:29:02,835 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:02" (1/1) ... [2022-11-03 03:29:02,837 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:02" (1/1) ... [2022-11-03 03:29:02,840 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:29:02,841 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:29:02,841 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:29:02,841 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:29:02,843 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:02" (1/1) ... [2022-11-03 03:29:02,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:29:02,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3195c82c-9678-4216-9955-9bed4a91364a/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:29:02,878 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3195c82c-9678-4216-9955-9bed4a91364a/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:29:02,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3195c82c-9678-4216-9955-9bed4a91364a/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:29:02,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 03:29:02,944 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-03 03:29:02,944 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-03 03:29:02,944 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-03 03:29:02,944 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-03 03:29:02,944 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-03 03:29:02,945 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-03 03:29:02,945 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-11-03 03:29:02,945 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-11-03 03:29:02,945 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-03 03:29:02,945 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-03 03:29:02,945 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-11-03 03:29:02,946 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-11-03 03:29:02,946 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-03 03:29:02,946 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-03 03:29:02,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 03:29:02,947 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-03 03:29:02,947 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-03 03:29:02,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:29:02,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:29:03,091 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:29:03,093 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:29:03,616 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 03:29:03,853 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 03:29:03,853 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-03 03:29:03,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:29:03 BoogieIcfgContainer [2022-11-03 03:29:03,857 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 03:29:03,863 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 03:29:03,863 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 03:29:03,867 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 03:29:03,868 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:29:02" (1/3) ... [2022-11-03 03:29:03,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c198228 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:29:03, skipping insertion in model container [2022-11-03 03:29:03,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:29:02" (2/3) ... [2022-11-03 03:29:03,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c198228 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:29:03, skipping insertion in model container [2022-11-03 03:29:03,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:29:03" (3/3) ... [2022-11-03 03:29:03,873 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product52.cil.c [2022-11-03 03:29:03,896 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 03:29:03,896 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 03:29:03,951 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 03:29:03,959 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;@291cb685, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 03:29:03,960 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 03:29:03,965 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 42 states have (on average 1.4523809523809523) internal successors, (61), 51 states have internal predecessors, (61), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-03 03:29:03,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-03 03:29:03,978 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:29:03,979 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:29:03,979 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:29:03,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:29:03,987 INFO L85 PathProgramCache]: Analyzing trace with hash -183472395, now seen corresponding path program 1 times [2022-11-03 03:29:03,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:29:04,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844033554] [2022-11-03 03:29:04,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:29:04,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:29:04,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:29:04,346 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 03:29:04,347 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:29:04,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844033554] [2022-11-03 03:29:04,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844033554] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:29:04,350 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:29:04,350 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 03:29:04,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627007375] [2022-11-03 03:29:04,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:29:04,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-03 03:29:04,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:29:04,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-03 03:29:04,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 03:29:04,412 INFO L87 Difference]: Start difference. First operand has 66 states, 42 states have (on average 1.4523809523809523) internal successors, (61), 51 states have internal predecessors, (61), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-03 03:29:04,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:29:04,557 INFO L93 Difference]: Finished difference Result 130 states and 179 transitions. [2022-11-03 03:29:04,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-03 03:29:04,561 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2022-11-03 03:29:04,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:29:04,581 INFO L225 Difference]: With dead ends: 130 [2022-11-03 03:29:04,582 INFO L226 Difference]: Without dead ends: 61 [2022-11-03 03:29:04,588 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 [2022-11-03 03:29:04,593 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:29:04,597 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 68 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 03:29:04,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-11-03 03:29:04,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2022-11-03 03:29:04,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 39 states have (on average 1.358974358974359) internal successors, (53), 47 states have internal predecessors, (53), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-03 03:29:04,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 80 transitions. [2022-11-03 03:29:04,680 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 80 transitions. Word has length 21 [2022-11-03 03:29:04,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:29:04,681 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 80 transitions. [2022-11-03 03:29:04,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-03 03:29:04,682 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2022-11-03 03:29:04,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-03 03:29:04,688 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:29:04,688 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:29:04,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 03:29:04,689 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:29:04,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:29:04,692 INFO L85 PathProgramCache]: Analyzing trace with hash -1504177673, now seen corresponding path program 1 times [2022-11-03 03:29:04,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:29:04,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626326035] [2022-11-03 03:29:04,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:29:04,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:29:04,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:29:04,894 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 03:29:04,895 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:29:04,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626326035] [2022-11-03 03:29:04,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [626326035] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:29:04,897 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:29:04,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:29:04,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845838983] [2022-11-03 03:29:04,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:29:04,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:29:04,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:29:04,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:29:04,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:29:04,908 INFO L87 Difference]: Start difference. First operand 61 states and 80 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-03 03:29:04,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:29:04,986 INFO L93 Difference]: Finished difference Result 94 states and 122 transitions. [2022-11-03 03:29:04,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:29:04,987 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2022-11-03 03:29:04,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:29:04,988 INFO L225 Difference]: With dead ends: 94 [2022-11-03 03:29:04,989 INFO L226 Difference]: Without dead ends: 53 [2022-11-03 03:29:04,989 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 [2022-11-03 03:29:04,991 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 14 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:29:04,992 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 92 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 03:29:04,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-11-03 03:29:05,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2022-11-03 03:29:05,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 34 states have (on average 1.3823529411764706) internal successors, (47), 42 states have internal predecessors, (47), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-03 03:29:05,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 69 transitions. [2022-11-03 03:29:05,002 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 69 transitions. Word has length 22 [2022-11-03 03:29:05,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:29:05,002 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 69 transitions. [2022-11-03 03:29:05,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-03 03:29:05,002 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 69 transitions. [2022-11-03 03:29:05,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-03 03:29:05,004 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:29:05,004 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:29:05,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 03:29:05,004 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:29:05,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:29:05,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1306375255, now seen corresponding path program 1 times [2022-11-03 03:29:05,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:29:05,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021496085] [2022-11-03 03:29:05,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:29:05,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:29:05,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:29:05,081 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 03:29:05,082 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:29:05,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021496085] [2022-11-03 03:29:05,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021496085] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:29:05,083 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:29:05,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:29:05,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468062516] [2022-11-03 03:29:05,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:29:05,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:29:05,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:29:05,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:29:05,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:29:05,085 INFO L87 Difference]: Start difference. First operand 53 states and 69 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-03 03:29:05,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:29:05,163 INFO L93 Difference]: Finished difference Result 155 states and 204 transitions. [2022-11-03 03:29:05,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:29:05,164 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 25 [2022-11-03 03:29:05,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:29:05,166 INFO L225 Difference]: With dead ends: 155 [2022-11-03 03:29:05,166 INFO L226 Difference]: Without dead ends: 104 [2022-11-03 03:29:05,167 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 [2022-11-03 03:29:05,168 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 61 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:29:05,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 125 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 03:29:05,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2022-11-03 03:29:05,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 101. [2022-11-03 03:29:05,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 64 states have (on average 1.390625) internal successors, (89), 79 states have internal predecessors, (89), 22 states have call successors, (22), 14 states have call predecessors, (22), 14 states have return successors, (22), 15 states have call predecessors, (22), 22 states have call successors, (22) [2022-11-03 03:29:05,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 133 transitions. [2022-11-03 03:29:05,207 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 133 transitions. Word has length 25 [2022-11-03 03:29:05,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:29:05,207 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 133 transitions. [2022-11-03 03:29:05,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-03 03:29:05,208 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 133 transitions. [2022-11-03 03:29:05,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-03 03:29:05,216 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:29:05,216 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:29:05,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 03:29:05,217 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:29:05,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:29:05,218 INFO L85 PathProgramCache]: Analyzing trace with hash 449860244, now seen corresponding path program 1 times [2022-11-03 03:29:05,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:29:05,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934726542] [2022-11-03 03:29:05,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:29:05,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:29:05,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:29:05,498 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-03 03:29:05,498 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:29:05,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934726542] [2022-11-03 03:29:05,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934726542] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:29:05,499 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:29:05,499 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:29:05,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810148555] [2022-11-03 03:29:05,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:29:05,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:29:05,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:29:05,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:29:05,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:29:05,501 INFO L87 Difference]: Start difference. First operand 101 states and 133 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-03 03:29:05,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:29:05,684 INFO L93 Difference]: Finished difference Result 282 states and 381 transitions. [2022-11-03 03:29:05,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 03:29:05,684 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2022-11-03 03:29:05,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:29:05,687 INFO L225 Difference]: With dead ends: 282 [2022-11-03 03:29:05,687 INFO L226 Difference]: Without dead ends: 183 [2022-11-03 03:29:05,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-03 03:29:05,689 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 34 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:29:05,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 279 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 03:29:05,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2022-11-03 03:29:05,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 174. [2022-11-03 03:29:05,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 115 states have (on average 1.3130434782608695) internal successors, (151), 130 states have internal predecessors, (151), 32 states have call successors, (32), 26 states have call predecessors, (32), 26 states have return successors, (40), 29 states have call predecessors, (40), 32 states have call successors, (40) [2022-11-03 03:29:05,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 223 transitions. [2022-11-03 03:29:05,717 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 223 transitions. Word has length 28 [2022-11-03 03:29:05,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:29:05,717 INFO L495 AbstractCegarLoop]: Abstraction has 174 states and 223 transitions. [2022-11-03 03:29:05,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-03 03:29:05,718 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 223 transitions. [2022-11-03 03:29:05,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-03 03:29:05,719 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:29:05,719 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:29:05,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 03:29:05,720 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:29:05,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:29:05,720 INFO L85 PathProgramCache]: Analyzing trace with hash -725331525, now seen corresponding path program 1 times [2022-11-03 03:29:05,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:29:05,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051636096] [2022-11-03 03:29:05,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:29:05,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:29:05,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:29:06,074 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 03:29:06,075 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:29:06,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051636096] [2022-11-03 03:29:06,075 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051636096] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:29:06,075 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:29:06,075 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:29:06,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271222632] [2022-11-03 03:29:06,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:29:06,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:29:06,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:29:06,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:29:06,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:29:06,077 INFO L87 Difference]: Start difference. First operand 174 states and 223 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:29:06,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:29:06,318 INFO L93 Difference]: Finished difference Result 526 states and 678 transitions. [2022-11-03 03:29:06,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 03:29:06,319 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 33 [2022-11-03 03:29:06,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:29:06,322 INFO L225 Difference]: With dead ends: 526 [2022-11-03 03:29:06,322 INFO L226 Difference]: Without dead ends: 354 [2022-11-03 03:29:06,324 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:29:06,325 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 123 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:29:06,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 243 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 03:29:06,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2022-11-03 03:29:06,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 340. [2022-11-03 03:29:06,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 227 states have (on average 1.2995594713656389) internal successors, (295), 251 states have internal predecessors, (295), 61 states have call successors, (61), 51 states have call predecessors, (61), 51 states have return successors, (79), 54 states have call predecessors, (79), 61 states have call successors, (79) [2022-11-03 03:29:06,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 435 transitions. [2022-11-03 03:29:06,387 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 435 transitions. Word has length 33 [2022-11-03 03:29:06,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:29:06,387 INFO L495 AbstractCegarLoop]: Abstraction has 340 states and 435 transitions. [2022-11-03 03:29:06,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:29:06,387 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 435 transitions. [2022-11-03 03:29:06,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-03 03:29:06,389 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:29:06,389 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:29:06,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 03:29:06,390 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:29:06,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:29:06,390 INFO L85 PathProgramCache]: Analyzing trace with hash 1118806752, now seen corresponding path program 1 times [2022-11-03 03:29:06,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:29:06,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698842232] [2022-11-03 03:29:06,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:29:06,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:29:06,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:29:06,923 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 03:29:06,924 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:29:06,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698842232] [2022-11-03 03:29:06,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698842232] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:29:06,924 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:29:06,925 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-03 03:29:06,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426153811] [2022-11-03 03:29:06,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:29:06,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-03 03:29:06,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:29:06,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-03 03:29:06,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:29:06,928 INFO L87 Difference]: Start difference. First operand 340 states and 435 transitions. Second operand has 8 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 4 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-03 03:29:07,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:29:07,601 INFO L93 Difference]: Finished difference Result 842 states and 1113 transitions. [2022-11-03 03:29:07,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-03 03:29:07,603 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 4 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 36 [2022-11-03 03:29:07,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:29:07,615 INFO L225 Difference]: With dead ends: 842 [2022-11-03 03:29:07,615 INFO L226 Difference]: Without dead ends: 606 [2022-11-03 03:29:07,617 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2022-11-03 03:29:07,622 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 231 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:29:07,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 267 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 289 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 03:29:07,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2022-11-03 03:29:07,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 508. [2022-11-03 03:29:07,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 508 states, 344 states have (on average 1.2936046511627908) internal successors, (445), 380 states have internal predecessors, (445), 88 states have call successors, (88), 66 states have call predecessors, (88), 75 states have return successors, (119), 85 states have call predecessors, (119), 88 states have call successors, (119) [2022-11-03 03:29:07,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 508 states and 652 transitions. [2022-11-03 03:29:07,756 INFO L78 Accepts]: Start accepts. Automaton has 508 states and 652 transitions. Word has length 36 [2022-11-03 03:29:07,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:29:07,759 INFO L495 AbstractCegarLoop]: Abstraction has 508 states and 652 transitions. [2022-11-03 03:29:07,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 4 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-03 03:29:07,759 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 652 transitions. [2022-11-03 03:29:07,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-03 03:29:07,764 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:29:07,765 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:29:07,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 03:29:07,765 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:29:07,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:29:07,766 INFO L85 PathProgramCache]: Analyzing trace with hash -413741743, now seen corresponding path program 1 times [2022-11-03 03:29:07,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:29:07,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837027563] [2022-11-03 03:29:07,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:29:07,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:29:07,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:29:07,843 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-03 03:29:07,844 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:29:07,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837027563] [2022-11-03 03:29:07,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837027563] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:29:07,844 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:29:07,844 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:29:07,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391903081] [2022-11-03 03:29:07,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:29:07,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:29:07,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:29:07,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:29:07,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:29:07,846 INFO L87 Difference]: Start difference. First operand 508 states and 652 transitions. Second operand has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 4 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2022-11-03 03:29:08,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:29:08,016 INFO L93 Difference]: Finished difference Result 856 states and 1096 transitions. [2022-11-03 03:29:08,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 03:29:08,017 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 4 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) Word has length 58 [2022-11-03 03:29:08,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:29:08,020 INFO L225 Difference]: With dead ends: 856 [2022-11-03 03:29:08,020 INFO L226 Difference]: Without dead ends: 350 [2022-11-03 03:29:08,022 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:29:08,023 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 92 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:29:08,023 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 124 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 03:29:08,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2022-11-03 03:29:08,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 344. [2022-11-03 03:29:08,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 234 states have (on average 1.2692307692307692) internal successors, (297), 259 states have internal predecessors, (297), 59 states have call successors, (59), 46 states have call predecessors, (59), 50 states have return successors, (74), 57 states have call predecessors, (74), 59 states have call successors, (74) [2022-11-03 03:29:08,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 430 transitions. [2022-11-03 03:29:08,072 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 430 transitions. Word has length 58 [2022-11-03 03:29:08,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:29:08,073 INFO L495 AbstractCegarLoop]: Abstraction has 344 states and 430 transitions. [2022-11-03 03:29:08,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 4 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2022-11-03 03:29:08,073 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 430 transitions. [2022-11-03 03:29:08,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-03 03:29:08,075 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:29:08,075 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:29:08,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 03:29:08,075 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:29:08,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:29:08,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1227620174, now seen corresponding path program 1 times [2022-11-03 03:29:08,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:29:08,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278066475] [2022-11-03 03:29:08,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:29:08,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:29:08,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:29:08,228 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-03 03:29:08,228 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:29:08,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278066475] [2022-11-03 03:29:08,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278066475] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:29:08,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1390351170] [2022-11-03 03:29:08,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:29:08,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:29:08,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3195c82c-9678-4216-9955-9bed4a91364a/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:29:08,233 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3195c82c-9678-4216-9955-9bed4a91364a/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:29:08,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3195c82c-9678-4216-9955-9bed4a91364a/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 03:29:08,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:29:08,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 03:29:08,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:29:08,546 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:29:08,546 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:29:08,547 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1390351170] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:29:08,547 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 03:29:08,547 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2022-11-03 03:29:08,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878988333] [2022-11-03 03:29:08,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:29:08,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:29:08,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:29:08,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:29:08,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:29:08,553 INFO L87 Difference]: Start difference. First operand 344 states and 430 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-11-03 03:29:08,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:29:08,658 INFO L93 Difference]: Finished difference Result 613 states and 771 transitions. [2022-11-03 03:29:08,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:29:08,659 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 62 [2022-11-03 03:29:08,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:29:08,662 INFO L225 Difference]: With dead ends: 613 [2022-11-03 03:29:08,662 INFO L226 Difference]: Without dead ends: 334 [2022-11-03 03:29:08,663 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:29:08,663 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 33 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:29:08,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 121 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 03:29:08,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2022-11-03 03:29:08,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 334. [2022-11-03 03:29:08,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 227 states have (on average 1.2378854625550662) internal successors, (281), 250 states have internal predecessors, (281), 57 states have call successors, (57), 46 states have call predecessors, (57), 49 states have return successors, (64), 55 states have call predecessors, (64), 57 states have call successors, (64) [2022-11-03 03:29:08,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 402 transitions. [2022-11-03 03:29:08,716 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 402 transitions. Word has length 62 [2022-11-03 03:29:08,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:29:08,718 INFO L495 AbstractCegarLoop]: Abstraction has 334 states and 402 transitions. [2022-11-03 03:29:08,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-11-03 03:29:08,718 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 402 transitions. [2022-11-03 03:29:08,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-03 03:29:08,720 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:29:08,721 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:29:08,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3195c82c-9678-4216-9955-9bed4a91364a/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 03:29:08,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3195c82c-9678-4216-9955-9bed4a91364a/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-03 03:29:08,936 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:29:08,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:29:08,937 INFO L85 PathProgramCache]: Analyzing trace with hash 2059739450, now seen corresponding path program 1 times [2022-11-03 03:29:08,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:29:08,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140885776] [2022-11-03 03:29:08,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:29:08,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:29:08,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:29:09,183 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-03 03:29:09,183 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:29:09,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140885776] [2022-11-03 03:29:09,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140885776] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:29:09,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [150317268] [2022-11-03 03:29:09,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:29:09,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:29:09,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3195c82c-9678-4216-9955-9bed4a91364a/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:29:09,195 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3195c82c-9678-4216-9955-9bed4a91364a/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:29:09,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3195c82c-9678-4216-9955-9bed4a91364a/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 03:29:09,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:29:09,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-03 03:29:09,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:29:09,486 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 19 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:29:09,486 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:29:09,738 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-03 03:29:09,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [150317268] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:29:09,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [717727148] [2022-11-03 03:29:09,771 INFO L159 IcfgInterpreter]: Started Sifa with 42 locations of interest [2022-11-03 03:29:09,772 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 03:29:09,780 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 03:29:09,786 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 03:29:09,786 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 03:29:22,409 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 50 for LOIs [2022-11-03 03:29:22,420 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 34 for LOIs [2022-11-03 03:29:22,772 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 53 for LOIs [2022-11-03 03:29:22,789 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 73 for LOIs [2022-11-03 03:29:23,205 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 48 for LOIs [2022-11-03 03:29:23,212 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 03:29:32,132 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '9062#(and (not (= |timeShift___utac_acc__Specification5_spec__3_~tmp___0~0#1| 0)) (not (= |timeShift___utac_acc__Specification5_spec__3_~tmp~4#1| 2)) (= ~pumpRunning~0 |timeShift___utac_acc__Specification5_spec__3_~tmp___0~0#1|) (= ~methaneLevelCritical~0 0) (= |timeShift_getWaterLevel_~retValue_acc~5#1| |timeShift_getWaterLevel_#res#1|) (<= 0 (+ 2147483648 |old(~pumpRunning~0)|)) (= ~head~0.offset 0) (<= |old(~switchedOnBeforeTS~0)| 2147483647) (<= |old(~pumpRunning~0)| 2147483647) (= 1 ~systemActive~0) (= |timeShift_getWaterLevel_~retValue_acc~5#1| ~waterLevel~0) (<= 0 (+ |old(~switchedOnBeforeTS~0)| 2147483648)) (<= 0 (+ 2147483648 |timeShift_getWaterLevel_#res#1|)) (<= 0 (+ |timeShift___utac_acc__Specification5_spec__3_~tmp___0~0#1| 2147483648)) (<= |timeShift___utac_acc__Specification5_spec__3_~tmp___0~0#1| 2147483647) (= ~head~0.base 0) (= |#NULL.offset| 0) (= |timeShift___utac_acc__Specification5_spec__3_~tmp~4#1| |timeShift_getWaterLevel_#res#1|) (<= |timeShift_getWaterLevel_~retValue_acc~5#1| 2147483647) (= ~switchedOnBeforeTS~0 0) (<= 0 |#StackHeapBarrier|) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2022-11-03 03:29:32,132 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 03:29:32,134 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 03:29:32,134 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6, 6] total 15 [2022-11-03 03:29:32,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648292127] [2022-11-03 03:29:32,135 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 03:29:32,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-03 03:29:32,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:29:32,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-03 03:29:32,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=282, Invalid=1974, Unknown=0, NotChecked=0, Total=2256 [2022-11-03 03:29:32,137 INFO L87 Difference]: Start difference. First operand 334 states and 402 transitions. Second operand has 15 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 13 states have internal predecessors, (80), 7 states have call successors, (19), 4 states have call predecessors, (19), 8 states have return successors, (17), 8 states have call predecessors, (17), 7 states have call successors, (17) [2022-11-03 03:29:33,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:29:33,380 INFO L93 Difference]: Finished difference Result 482 states and 593 transitions. [2022-11-03 03:29:33,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-03 03:29:33,381 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 13 states have internal predecessors, (80), 7 states have call successors, (19), 4 states have call predecessors, (19), 8 states have return successors, (17), 8 states have call predecessors, (17), 7 states have call successors, (17) Word has length 65 [2022-11-03 03:29:33,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:29:33,387 INFO L225 Difference]: With dead ends: 482 [2022-11-03 03:29:33,387 INFO L226 Difference]: Without dead ends: 480 [2022-11-03 03:29:33,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 159 SyntacticMatches, 4 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1513 ImplicationChecksByTransitivity, 9.5s TimeCoverageRelationStatistics Valid=510, Invalid=3912, Unknown=0, NotChecked=0, Total=4422 [2022-11-03 03:29:33,390 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 334 mSDsluCounter, 976 mSDsCounter, 0 mSdLazyCounter, 705 mSolverCounterSat, 223 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 901 SdHoareTripleChecker+Invalid, 928 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 223 IncrementalHoareTripleChecker+Valid, 705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-03 03:29:33,391 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 901 Invalid, 928 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [223 Valid, 705 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-03 03:29:33,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2022-11-03 03:29:33,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 398. [2022-11-03 03:29:33,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 268 states have (on average 1.2388059701492538) internal successors, (332), 299 states have internal predecessors, (332), 69 states have call successors, (69), 57 states have call predecessors, (69), 60 states have return successors, (80), 65 states have call predecessors, (80), 69 states have call successors, (80) [2022-11-03 03:29:33,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 481 transitions. [2022-11-03 03:29:33,436 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 481 transitions. Word has length 65 [2022-11-03 03:29:33,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:29:33,437 INFO L495 AbstractCegarLoop]: Abstraction has 398 states and 481 transitions. [2022-11-03 03:29:33,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 13 states have internal predecessors, (80), 7 states have call successors, (19), 4 states have call predecessors, (19), 8 states have return successors, (17), 8 states have call predecessors, (17), 7 states have call successors, (17) [2022-11-03 03:29:33,437 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 481 transitions. [2022-11-03 03:29:33,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-03 03:29:33,439 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:29:33,439 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:29:33,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3195c82c-9678-4216-9955-9bed4a91364a/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-03 03:29:33,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3195c82c-9678-4216-9955-9bed4a91364a/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-03 03:29:33,654 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:29:33,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:29:33,655 INFO L85 PathProgramCache]: Analyzing trace with hash -1549129254, now seen corresponding path program 1 times [2022-11-03 03:29:33,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:29:33,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547396637] [2022-11-03 03:29:33,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:29:33,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:29:33,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:29:34,050 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 35 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-03 03:29:34,050 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:29:34,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547396637] [2022-11-03 03:29:34,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547396637] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:29:34,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [805042963] [2022-11-03 03:29:34,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:29:34,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:29:34,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3195c82c-9678-4216-9955-9bed4a91364a/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:29:34,053 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3195c82c-9678-4216-9955-9bed4a91364a/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:29:34,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3195c82c-9678-4216-9955-9bed4a91364a/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-03 03:29:34,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:29:34,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 534 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 03:29:34,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:29:34,516 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 61 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-03 03:29:34,516 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:29:34,907 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 48 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-11-03 03:29:34,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [805042963] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:29:34,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2050905869] [2022-11-03 03:29:34,911 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2022-11-03 03:29:34,911 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 03:29:34,911 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 03:29:34,912 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 03:29:34,912 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 03:29:44,957 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 53 for LOIs [2022-11-03 03:29:44,972 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 36 for LOIs [2022-11-03 03:29:45,405 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 29 for LOIs [2022-11-03 03:29:45,407 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 26 for LOIs [2022-11-03 03:29:45,424 INFO L197 IcfgInterpreter]: Interpreting procedure deactivatePump with input of size 35 for LOIs [2022-11-03 03:29:45,427 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 03:29:54,262 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '11022#(and (not (= |timeShift___utac_acc__Specification5_spec__3_~tmp___0~0#1| 0)) (not (= |timeShift___utac_acc__Specification5_spec__3_~tmp~4#1| 2)) (<= 0 |old(~pumpRunning~0)|) (<= |timeShift___utac_acc__Specification5_spec__3_~tmp___0~0#1| 1) (= ~pumpRunning~0 |timeShift___utac_acc__Specification5_spec__3_~tmp___0~0#1|) (<= |old(~pumpRunning~0)| 1) (= |timeShift_getWaterLevel_~retValue_acc~5#1| |timeShift_getWaterLevel_#res#1|) (= ~head~0.offset 0) (<= 1 ~systemActive~0) (<= |old(~switchedOnBeforeTS~0)| 2147483647) (<= |#NULL.offset| 0) (= |timeShift_getWaterLevel_~retValue_acc~5#1| ~waterLevel~0) (<= ~methaneLevelCritical~0 0) (<= 0 ~head~0.base) (<= 0 (+ |old(~switchedOnBeforeTS~0)| 2147483648)) (<= 0 (+ 2147483648 |timeShift_getWaterLevel_#res#1|)) (<= 0 ~methaneLevelCritical~0) (<= 0 ~pumpRunning~0) (<= ~head~0.base 0) (= |timeShift___utac_acc__Specification5_spec__3_~tmp~4#1| |timeShift_getWaterLevel_#res#1|) (<= 0 |#NULL.offset|) (<= |timeShift_getWaterLevel_~retValue_acc~5#1| 2147483647) (= ~switchedOnBeforeTS~0 0) (<= 0 |#StackHeapBarrier|) (<= ~systemActive~0 1) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2022-11-03 03:29:54,263 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 03:29:54,263 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 03:29:54,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9, 9] total 20 [2022-11-03 03:29:54,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989833490] [2022-11-03 03:29:54,263 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 03:29:54,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-03 03:29:54,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:29:54,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-03 03:29:54,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=295, Invalid=2461, Unknown=0, NotChecked=0, Total=2756 [2022-11-03 03:29:54,266 INFO L87 Difference]: Start difference. First operand 398 states and 481 transitions. Second operand has 20 states, 20 states have (on average 5.35) internal successors, (107), 20 states have internal predecessors, (107), 9 states have call successors, (21), 5 states have call predecessors, (21), 8 states have return successors, (22), 10 states have call predecessors, (22), 9 states have call successors, (22) [2022-11-03 03:29:56,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:29:56,255 INFO L93 Difference]: Finished difference Result 1256 states and 1664 transitions. [2022-11-03 03:29:56,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-11-03 03:29:56,256 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 5.35) internal successors, (107), 20 states have internal predecessors, (107), 9 states have call successors, (21), 5 states have call predecessors, (21), 8 states have return successors, (22), 10 states have call predecessors, (22), 9 states have call successors, (22) Word has length 86 [2022-11-03 03:29:56,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:29:56,262 INFO L225 Difference]: With dead ends: 1256 [2022-11-03 03:29:56,262 INFO L226 Difference]: Without dead ends: 852 [2022-11-03 03:29:56,265 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 232 SyntacticMatches, 1 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2196 ImplicationChecksByTransitivity, 10.0s TimeCoverageRelationStatistics Valid=667, Invalid=5653, Unknown=0, NotChecked=0, Total=6320 [2022-11-03 03:29:56,266 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 599 mSDsluCounter, 474 mSDsCounter, 0 mSdLazyCounter, 935 mSolverCounterSat, 322 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 604 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 1257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 322 IncrementalHoareTripleChecker+Valid, 935 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-03 03:29:56,267 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [604 Valid, 471 Invalid, 1257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [322 Valid, 935 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-03 03:29:56,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2022-11-03 03:29:56,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 513. [2022-11-03 03:29:56,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 513 states, 349 states have (on average 1.2120343839541547) internal successors, (423), 384 states have internal predecessors, (423), 82 states have call successors, (82), 75 states have call predecessors, (82), 81 states have return successors, (99), 83 states have call predecessors, (99), 82 states have call successors, (99) [2022-11-03 03:29:56,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 604 transitions. [2022-11-03 03:29:56,337 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 604 transitions. Word has length 86 [2022-11-03 03:29:56,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:29:56,338 INFO L495 AbstractCegarLoop]: Abstraction has 513 states and 604 transitions. [2022-11-03 03:29:56,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 5.35) internal successors, (107), 20 states have internal predecessors, (107), 9 states have call successors, (21), 5 states have call predecessors, (21), 8 states have return successors, (22), 10 states have call predecessors, (22), 9 states have call successors, (22) [2022-11-03 03:29:56,338 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 604 transitions. [2022-11-03 03:29:56,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-11-03 03:29:56,340 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:29:56,340 INFO L195 NwaCegarLoop]: trace histogram [5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:29:56,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3195c82c-9678-4216-9955-9bed4a91364a/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-03 03:29:56,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3195c82c-9678-4216-9955-9bed4a91364a/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:29:56,554 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:29:56,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:29:56,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1947446970, now seen corresponding path program 1 times [2022-11-03 03:29:56,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:29:56,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292067326] [2022-11-03 03:29:56,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:29:56,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:29:56,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:29:57,699 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 10 proven. 44 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-03 03:29:57,699 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:29:57,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292067326] [2022-11-03 03:29:57,699 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292067326] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:29:57,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1748276112] [2022-11-03 03:29:57,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:29:57,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:29:57,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3195c82c-9678-4216-9955-9bed4a91364a/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:29:57,701 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3195c82c-9678-4216-9955-9bed4a91364a/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:29:57,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3195c82c-9678-4216-9955-9bed4a91364a/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-03 03:29:57,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:29:57,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 30 conjunts are in the unsatisfiable core [2022-11-03 03:29:57,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:29:58,312 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 57 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-03 03:29:58,312 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:29:58,984 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 52 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-03 03:29:58,984 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1748276112] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:29:58,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [41401178] [2022-11-03 03:29:58,991 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2022-11-03 03:29:58,991 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 03:29:58,992 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 03:29:58,992 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 03:29:58,992 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 03:30:04,391 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 43 for LOIs [2022-11-03 03:30:04,404 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 46 for LOIs [2022-11-03 03:30:05,264 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 22 for LOIs [2022-11-03 03:30:05,266 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 29 for LOIs [2022-11-03 03:30:05,293 INFO L197 IcfgInterpreter]: Interpreting procedure deactivatePump with input of size 35 for LOIs [2022-11-03 03:30:05,297 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 03:30:13,628 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '14397#(and (not (= |timeShift___utac_acc__Specification5_spec__3_~tmp___0~0#1| 0)) (not (= |timeShift___utac_acc__Specification5_spec__3_~tmp~4#1| 2)) (<= 0 |old(~pumpRunning~0)|) (<= |timeShift___utac_acc__Specification5_spec__3_~tmp___0~0#1| 1) (= ~pumpRunning~0 |timeShift___utac_acc__Specification5_spec__3_~tmp___0~0#1|) (= |timeShift_getWaterLevel_~retValue_acc~5#1| |timeShift_getWaterLevel_#res#1|) (= ~head~0.offset 0) (<= 1 ~systemActive~0) (<= |old(~pumpRunning~0)| 2147483647) (<= |#NULL.offset| 0) (= |timeShift_getWaterLevel_~retValue_acc~5#1| ~waterLevel~0) (<= ~methaneLevelCritical~0 0) (<= 0 ~head~0.base) (<= 0 (+ 2147483648 |timeShift_getWaterLevel_#res#1|)) (<= 0 ~methaneLevelCritical~0) (<= 0 ~pumpRunning~0) (<= ~head~0.base 0) (= |timeShift___utac_acc__Specification5_spec__3_~tmp~4#1| |timeShift_getWaterLevel_#res#1|) (<= 0 |#NULL.offset|) (<= |timeShift_getWaterLevel_~retValue_acc~5#1| 2147483647) (= ~switchedOnBeforeTS~0 0) (<= 0 |#StackHeapBarrier|) (<= ~systemActive~0 1) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2022-11-03 03:30:13,629 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 03:30:13,629 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 03:30:13,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 11, 11] total 34 [2022-11-03 03:30:13,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934245574] [2022-11-03 03:30:13,629 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 03:30:13,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-11-03 03:30:13,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:30:13,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-11-03 03:30:13,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=423, Invalid=3867, Unknown=0, NotChecked=0, Total=4290 [2022-11-03 03:30:13,633 INFO L87 Difference]: Start difference. First operand 513 states and 604 transitions. Second operand has 34 states, 31 states have (on average 4.806451612903226) internal successors, (149), 33 states have internal predecessors, (149), 18 states have call successors, (29), 8 states have call predecessors, (29), 13 states have return successors, (27), 16 states have call predecessors, (27), 17 states have call successors, (27) [2022-11-03 03:30:18,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:30:18,394 INFO L93 Difference]: Finished difference Result 1340 states and 1627 transitions. [2022-11-03 03:30:18,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-11-03 03:30:18,394 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 31 states have (on average 4.806451612903226) internal successors, (149), 33 states have internal predecessors, (149), 18 states have call successors, (29), 8 states have call predecessors, (29), 13 states have return successors, (27), 16 states have call predecessors, (27), 17 states have call successors, (27) Word has length 91 [2022-11-03 03:30:18,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:30:18,395 INFO L225 Difference]: With dead ends: 1340 [2022-11-03 03:30:18,396 INFO L226 Difference]: Without dead ends: 0 [2022-11-03 03:30:18,403 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 380 GetRequests, 255 SyntacticMatches, 3 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5549 ImplicationChecksByTransitivity, 11.5s TimeCoverageRelationStatistics Valid=1731, Invalid=13521, Unknown=0, NotChecked=0, Total=15252 [2022-11-03 03:30:18,404 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 1626 mSDsluCounter, 1432 mSDsCounter, 0 mSdLazyCounter, 2451 mSolverCounterSat, 1065 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1630 SdHoareTripleChecker+Valid, 1326 SdHoareTripleChecker+Invalid, 3516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1065 IncrementalHoareTripleChecker+Valid, 2451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-03 03:30:18,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1630 Valid, 1326 Invalid, 3516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1065 Valid, 2451 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-03 03:30:18,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-03 03:30:18,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-03 03:30:18,405 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) [2022-11-03 03:30:18,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-03 03:30:18,405 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 91 [2022-11-03 03:30:18,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:30:18,406 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-03 03:30:18,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 31 states have (on average 4.806451612903226) internal successors, (149), 33 states have internal predecessors, (149), 18 states have call successors, (29), 8 states have call predecessors, (29), 13 states have return successors, (27), 16 states have call predecessors, (27), 17 states have call successors, (27) [2022-11-03 03:30:18,406 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-03 03:30:18,406 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-03 03:30:18,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 03:30:18,439 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3195c82c-9678-4216-9955-9bed4a91364a/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-03 03:30:18,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3195c82c-9678-4216-9955-9bed4a91364a/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-03 03:30:18,620 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-03 03:30:28,179 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 860 867) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 1))) (.cse2 (= ~pumpRunning~0 1))) (and (or .cse0 .cse1 (not (<= 1 ~switchedOnBeforeTS~0)) (not (< ~waterLevel~0 3)) .cse2) (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 (not (<= ~waterLevel~0 2)) .cse2))) [2022-11-03 03:30:28,179 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 860 867) no Hoare annotation was computed. [2022-11-03 03:30:28,180 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 793 799) no Hoare annotation was computed. [2022-11-03 03:30:28,180 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 793 799) the Hoare annotation is: true [2022-11-03 03:30:28,180 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 613 624) the Hoare annotation is: true [2022-11-03 03:30:28,180 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 613 624) no Hoare annotation was computed. [2022-11-03 03:30:28,180 INFO L899 garLoopResultBuilder]: For program point L564(lines 564 574) no Hoare annotation was computed. [2022-11-03 03:30:28,180 INFO L899 garLoopResultBuilder]: For program point L560(lines 560 577) no Hoare annotation was computed. [2022-11-03 03:30:28,181 INFO L895 garLoopResultBuilder]: At program point L560-1(lines 552 580) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~4#1| ~waterLevel~0)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse6 (<= 1 ~switchedOnBeforeTS~0)) (.cse9 (not (= |old(~pumpRunning~0)| 1))) (.cse10 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (not (= 1 ~systemActive~0))) (.cse11 (and .cse1 .cse2 .cse4)) (.cse8 (= ~pumpRunning~0 1)) (.cse12 (not (< |old(~waterLevel~0)| 3)))) (and (let ((.cse3 (< 0 |old(~waterLevel~0)|))) (let ((.cse5 (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse3))) (or .cse0 (and .cse1 .cse2 (or (and (not .cse3) .cse4) .cse5) .cse6) .cse7 (and .cse2 (<= ~waterLevel~0 0) (or .cse5 .cse4) .cse6 .cse8) .cse9 (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) (or .cse10 .cse11 (not (= 0 ~systemActive~0)) .cse12) (or .cse0 .cse10 .cse7 .cse11) (let ((.cse13 (= ~waterLevel~0 1))) (or .cse7 (and .cse2 .cse13 .cse6 .cse8) (and .cse1 .cse2 .cse13 .cse6) .cse9 (not (<= |old(~waterLevel~0)| 2)) (not (<= 2 |old(~waterLevel~0)|)))) (or .cse10 .cse7 .cse11 (and .cse2 .cse4 .cse8) .cse12)))) [2022-11-03 03:30:28,181 INFO L895 garLoopResultBuilder]: At program point L841(line 841) the Hoare annotation is: (let ((.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (not (= |old(~pumpRunning~0)| 1))) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (and (= ~waterLevel~0 1) .cse2 .cse3) .cse4 (not (<= 2 |old(~waterLevel~0)|))) (or .cse5 .cse4 (not (= 0 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 (and (<= ~waterLevel~0 0) (or (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) (< 0 |old(~waterLevel~0)|)) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse2 .cse3) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse5 .cse0 (not (< |old(~waterLevel~0)| 3))))) [2022-11-03 03:30:28,181 INFO L895 garLoopResultBuilder]: At program point L837(line 837) the Hoare annotation is: (let ((.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (not (= |old(~pumpRunning~0)| 1))) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (and (= ~waterLevel~0 1) .cse2 .cse3) .cse4 (not (<= 2 |old(~waterLevel~0)|))) (or .cse5 .cse4 (not (= 0 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 (and (<= ~waterLevel~0 0) (or (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) (< 0 |old(~waterLevel~0)|)) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse2 .cse3) (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse5 .cse0 (not (< |old(~waterLevel~0)| 3))))) [2022-11-03 03:30:28,181 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 571) no Hoare annotation was computed. [2022-11-03 03:30:28,182 INFO L895 garLoopResultBuilder]: At program point L846(line 846) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (not (= |old(~pumpRunning~0)| 1))) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1 .cse2) (or .cse0 .cse2 (not (= 0 ~systemActive~0))) (or .cse1 .cse3 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (not (< |old(~waterLevel~0)| 3))) (or .cse1 .cse3 .cse2 (not (<= 2 |old(~waterLevel~0)|))))) [2022-11-03 03:30:28,182 INFO L895 garLoopResultBuilder]: At program point L846-1(lines 827 851) the Hoare annotation is: (let ((.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (= |old(~pumpRunning~0)| 1))) (.cse7 (= ~pumpRunning~0 0)) (.cse5 (<= 1 ~switchedOnBeforeTS~0)) (.cse6 (= ~pumpRunning~0 1)) (.cse9 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or .cse0 .cse1 (not (= 0 ~systemActive~0))) (let ((.cse4 (= ~waterLevel~0 1))) (or .cse2 .cse3 (and .cse4 .cse5 .cse6) .cse1 (not (<= 2 |old(~waterLevel~0)|)) (and .cse7 .cse4 .cse5))) (or .cse2 .cse3 (and .cse7 .cse8 .cse5) (and .cse8 .cse5 .cse6) (not (<= |old(~waterLevel~0)| 0)) .cse9) (or .cse0 (and .cse7 .cse8) .cse2 (and .cse8 .cse6) (not (< |old(~waterLevel~0)| 3))) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse7 .cse2) (let ((.cse10 (= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse11 (< 0 |old(~waterLevel~0)|))) (or (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3 (and .cse7 .cse10 .cse11 .cse5) (and .cse10 .cse11 .cse5 .cse6) .cse9)))) [2022-11-03 03:30:28,182 INFO L895 garLoopResultBuilder]: At program point L780-1(lines 780 786) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (and .cse6 .cse9)) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 1))) (.cse3 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (= ~pumpRunning~0 1)) (.cse10 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (let ((.cse2 (= ~waterLevel~0 1))) (or .cse0 .cse1 (and .cse2 .cse3 .cse4) .cse5 (not (<= 2 |old(~waterLevel~0)|)) (and .cse6 .cse2 .cse3))) (or .cse7 .cse8 .cse5 (not (= 0 ~systemActive~0))) (or .cse0 .cse1 (and .cse6 .cse9 .cse3) (and .cse9 .cse3 .cse4) (not (<= |old(~waterLevel~0)| 0)) .cse10) (or .cse7 .cse8 .cse0 (and .cse9 .cse4) (not (< |old(~waterLevel~0)| 3))) (or (not (<= |old(~waterLevel~0)| 1)) .cse7 .cse6 .cse0) (let ((.cse11 (= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse12 (< 0 |old(~waterLevel~0)|))) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 (and .cse6 .cse11 .cse12 .cse3) (and .cse11 .cse12 .cse3 .cse4) .cse10))))) [2022-11-03 03:30:28,183 INFO L895 garLoopResultBuilder]: At program point L562(line 562) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse7 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~4#1| ~waterLevel~0)) (.cse13 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (and .cse4 .cse7 .cse13)) (.cse3 (not (< |old(~waterLevel~0)| 3))) (.cse12 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse2 (not (= 0 ~systemActive~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse9 (not (= 1 ~systemActive~0))) (.cse11 (= ~pumpRunning~0 1)) (.cse8 (<= 1 ~switchedOnBeforeTS~0)) (.cse10 (not (= |old(~pumpRunning~0)| 1))) (.cse14 (not (<= |old(~waterLevel~0)| 2))) (.cse15 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (let ((.cse5 (= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse6 (< 0 |old(~waterLevel~0)|))) (or (and .cse4 .cse5 .cse6 .cse7 .cse8) (not (= |old(~waterLevel~0)| 1)) .cse9 .cse10 (and .cse5 .cse6 .cse7 .cse8 .cse11) .cse12)) (or .cse0 .cse9 .cse1 .cse3) (or .cse9 .cse10 (and .cse7 .cse13 .cse8 .cse11) (not (<= |old(~waterLevel~0)| 0)) (and .cse4 .cse7 .cse13 .cse8) .cse12) (or .cse0 .cse14 .cse2 .cse15) (or .cse0 .cse9 .cse14 .cse15) (let ((.cse16 (= ~waterLevel~0 1))) (or .cse9 (and .cse7 .cse16 .cse8 .cse11) (and .cse4 .cse7 .cse16 .cse8) .cse10 .cse14 .cse15))))) [2022-11-03 03:30:28,183 INFO L899 garLoopResultBuilder]: For program point L562-1(line 562) no Hoare annotation was computed. [2022-11-03 03:30:28,183 INFO L899 garLoopResultBuilder]: For program point L773-2(lines 769 791) no Hoare annotation was computed. [2022-11-03 03:30:28,183 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 843) no Hoare annotation was computed. [2022-11-03 03:30:28,183 INFO L895 garLoopResultBuilder]: At program point L831(lines 831 848) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not (= |old(~pumpRunning~0)| 1))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (<= 1 ~switchedOnBeforeTS~0)) (.cse6 (= ~pumpRunning~0 1))) (and (or .cse0 (and (= ~pumpRunning~0 0) .cse1) .cse2 .cse3) (or .cse2 .cse4 (and (= ~waterLevel~0 1) .cse5 .cse6) .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse3 (not (= 0 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) .cse2 .cse4 (and (<= ~waterLevel~0 0) (or (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) (< 0 |old(~waterLevel~0)|)) .cse1) .cse5 .cse6) (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) [2022-11-03 03:30:28,184 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 766 792) the Hoare annotation is: (let ((.cse9 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (and .cse9 (= ~pumpRunning~0 1))) (.cse4 (not (= |old(~pumpRunning~0)| 1))) (.cse2 (not (= 1 ~systemActive~0))) (.cse7 (<= 1 ~switchedOnBeforeTS~0)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= ~pumpRunning~0 0) .cse9)) (.cse8 (not (< |old(~waterLevel~0)| 3)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (<= |old(~waterLevel~0)| 1)) .cse2 .cse4 .cse5 .cse6) (or .cse2 .cse4 .cse3 .cse5 (not (<= 2 |old(~waterLevel~0)|))) (or .cse2 .cse4 .cse7 .cse6 .cse8) (or .cse0 .cse2 .cse7 .cse6 .cse8) (or .cse0 .cse1 (not (= 0 ~systemActive~0)) .cse8)))) [2022-11-03 03:30:28,184 INFO L895 garLoopResultBuilder]: At program point L526(line 526) the Hoare annotation is: (let ((.cse3 (not (= |old(~pumpRunning~0)| 1))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not (< |old(~waterLevel~0)| 3)))) (and (or .cse0 .cse1 (not (= 0 ~systemActive~0))) (or .cse2 .cse3 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse4) (or .cse2 .cse3 .cse1 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse2 .cse4))) [2022-11-03 03:30:28,184 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 766 792) no Hoare annotation was computed. [2022-11-03 03:30:28,184 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 526) no Hoare annotation was computed. [2022-11-03 03:30:28,184 INFO L895 garLoopResultBuilder]: At program point L547(line 547) the Hoare annotation is: (let ((.cse9 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (and .cse9 (= ~pumpRunning~0 1))) (.cse4 (not (= |old(~pumpRunning~0)| 1))) (.cse2 (not (= 1 ~systemActive~0))) (.cse7 (<= 1 ~switchedOnBeforeTS~0)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= ~pumpRunning~0 0) .cse9)) (.cse8 (not (< |old(~waterLevel~0)| 3)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (<= |old(~waterLevel~0)| 1)) .cse2 .cse4 .cse5 .cse6) (or .cse2 .cse4 .cse3 .cse5 (not (<= 2 |old(~waterLevel~0)|))) (or .cse2 .cse4 .cse7 .cse6 .cse8) (or .cse0 .cse2 .cse7 .cse6 .cse8) (or .cse0 .cse1 (not (= 0 ~systemActive~0)) .cse8)))) [2022-11-03 03:30:28,185 INFO L895 garLoopResultBuilder]: At program point L547-1(line 547) the Hoare annotation is: (let ((.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (= 1 ~systemActive~0))) (let ((.cse2 (not .cse7)) (.cse4 (not (= |old(~pumpRunning~0)| 1))) (.cse5 (and (<= 1 |timeShift___utac_acc__Specification5_spec__2_#t~ret28#1|) .cse7 .cse6 (< ~waterLevel~0 3) (= ~pumpRunning~0 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= ~pumpRunning~0 0) .cse6)) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse3 .cse5 (not (<= 2 |old(~waterLevel~0)|))) (or (not (<= |old(~waterLevel~0)| 1)) .cse2 .cse4 .cse5 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 .cse1 .cse3 (not (= 0 ~systemActive~0)))))) [2022-11-03 03:30:28,185 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 418 447) no Hoare annotation was computed. [2022-11-03 03:30:28,185 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 418 447) the Hoare annotation is: true [2022-11-03 03:30:28,185 INFO L902 garLoopResultBuilder]: At program point L443(lines 418 447) the Hoare annotation is: true [2022-11-03 03:30:28,185 INFO L899 garLoopResultBuilder]: For program point L439(line 439) no Hoare annotation was computed. [2022-11-03 03:30:28,185 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 436) no Hoare annotation was computed. [2022-11-03 03:30:28,185 INFO L902 garLoopResultBuilder]: At program point L432-1(lines 432 436) the Hoare annotation is: true [2022-11-03 03:30:28,185 INFO L902 garLoopResultBuilder]: At program point L428-2(lines 428 442) the Hoare annotation is: true [2022-11-03 03:30:28,185 INFO L902 garLoopResultBuilder]: At program point L424(line 424) the Hoare annotation is: true [2022-11-03 03:30:28,186 INFO L899 garLoopResultBuilder]: For program point L424-1(line 424) no Hoare annotation was computed. [2022-11-03 03:30:28,186 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-11-03 03:30:28,186 INFO L902 garLoopResultBuilder]: At program point L755(lines 692 759) the Hoare annotation is: true [2022-11-03 03:30:28,186 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 728) no Hoare annotation was computed. [2022-11-03 03:30:28,186 INFO L899 garLoopResultBuilder]: For program point L722-1(lines 722 728) no Hoare annotation was computed. [2022-11-03 03:30:28,186 INFO L895 garLoopResultBuilder]: At program point L714(line 714) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse3 (< ~waterLevel~0 3)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 (<= 1 ~switchedOnBeforeTS~0) .cse3 .cse4) (and .cse0 .cse2 (= 0 ~systemActive~0) .cse3) (and (<= 2 ~waterLevel~0) .cse1 .cse2 (<= ~waterLevel~0 2) .cse4))) [2022-11-03 03:30:28,186 INFO L899 garLoopResultBuilder]: For program point L966(lines 966 972) no Hoare annotation was computed. [2022-11-03 03:30:28,186 INFO L895 garLoopResultBuilder]: At program point L966-1(lines 966 972) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (< ~waterLevel~0 3)) [2022-11-03 03:30:28,186 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-03 03:30:28,187 INFO L895 garLoopResultBuilder]: At program point L508(lines 508 515) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-03 03:30:28,187 INFO L902 garLoopResultBuilder]: At program point L508-2(lines 508 515) the Hoare annotation is: true [2022-11-03 03:30:28,187 INFO L895 garLoopResultBuilder]: At program point L752(lines 701 753) the Hoare annotation is: false [2022-11-03 03:30:28,187 INFO L899 garLoopResultBuilder]: For program point L740(lines 740 746) no Hoare annotation was computed. [2022-11-03 03:30:28,187 INFO L895 garLoopResultBuilder]: At program point L740-2(lines 732 747) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse3 (< ~waterLevel~0 3)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 (<= 1 ~switchedOnBeforeTS~0) .cse3 .cse4) (and .cse0 .cse2 (= 0 ~systemActive~0) .cse3) (and (<= 2 ~waterLevel~0) .cse1 .cse2 (<= ~waterLevel~0 2) .cse4))) [2022-11-03 03:30:28,187 INFO L899 garLoopResultBuilder]: For program point L703(lines 702 751) no Hoare annotation was computed. [2022-11-03 03:30:28,187 INFO L895 garLoopResultBuilder]: At program point L732(lines 732 747) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse3 (< ~waterLevel~0 3)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 (<= 1 ~switchedOnBeforeTS~0) .cse3 .cse4) (and .cse0 .cse2 (= 0 ~systemActive~0) .cse3) (and (<= 2 ~waterLevel~0) .cse1 .cse2 (<= ~waterLevel~0 2) .cse4))) [2022-11-03 03:30:28,188 INFO L895 garLoopResultBuilder]: At program point L724(line 724) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse3 (< ~waterLevel~0 3)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 (<= 1 ~switchedOnBeforeTS~0) .cse3 .cse4) (and .cse0 .cse2 (= 0 ~systemActive~0) .cse3) (and (<= 2 ~waterLevel~0) .cse1 .cse2 (<= ~waterLevel~0 2) .cse4))) [2022-11-03 03:30:28,188 INFO L895 garLoopResultBuilder]: At program point L749(lines 702 751) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 1)) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (<= 1 ~switchedOnBeforeTS~0) (< ~waterLevel~0 3) .cse2) (and .cse3 .cse1 .cse4 (= 0 ~systemActive~0)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse4 .cse2) (and .cse3 .cse0 .cse1 .cse4))) [2022-11-03 03:30:28,188 INFO L899 garLoopResultBuilder]: For program point L712(lines 712 718) no Hoare annotation was computed. [2022-11-03 03:30:28,188 INFO L895 garLoopResultBuilder]: At program point L968(line 968) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 (<= 1 ~switchedOnBeforeTS~0) (< ~waterLevel~0 3) .cse2) (and (<= 2 ~waterLevel~0) .cse0 .cse1 (<= ~waterLevel~0 2) .cse2))) [2022-11-03 03:30:28,188 INFO L899 garLoopResultBuilder]: For program point L712-1(lines 712 718) no Hoare annotation was computed. [2022-11-03 03:30:28,188 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 801 825) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 1))) (.cse2 (not (<= 1 ~switchedOnBeforeTS~0))) (.cse3 (= ~pumpRunning~0 1))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (not (< ~waterLevel~0 3))) (or (not (<= ~waterLevel~0 0)) .cse0 .cse1 .cse2 .cse3) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3))) [2022-11-03 03:30:28,189 INFO L895 garLoopResultBuilder]: At program point L820(line 820) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 1))) (.cse2 (not (<= 1 ~switchedOnBeforeTS~0))) (.cse3 (= ~pumpRunning~0 1))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (< ~waterLevel~0 3))) (or (not (<= ~waterLevel~0 0)) .cse0 .cse1 .cse2 .cse3) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3))) [2022-11-03 03:30:28,189 INFO L899 garLoopResultBuilder]: For program point L820-1(lines 801 825) no Hoare annotation was computed. [2022-11-03 03:30:28,189 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 801 825) no Hoare annotation was computed. [2022-11-03 03:30:28,189 INFO L895 garLoopResultBuilder]: At program point L815(line 815) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 1))) (.cse3 (not (<= 1 ~switchedOnBeforeTS~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 0) .cse1 (not (<= ~waterLevel~0 2))) (or (not (= ~waterLevel~0 1)) .cse1 .cse2 .cse3) (or (not (<= ~waterLevel~0 0)) .cse1 .cse2 .cse3) (or .cse0 .cse1 (= |processEnvironment__wrappee__highWaterSensor_~tmp~6#1| 0) (not (<= ~waterLevel~0 1))))) [2022-11-03 03:30:28,189 INFO L895 garLoopResultBuilder]: At program point L809(lines 809 817) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 1))) (.cse3 (not (<= 1 ~switchedOnBeforeTS~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 0) .cse1 (not (<= ~waterLevel~0 2))) (or (not (= ~waterLevel~0 1)) .cse1 .cse2 .cse3) (or (not (<= ~waterLevel~0 0)) .cse1 .cse2 .cse3) (or .cse0 .cse1 (= |processEnvironment__wrappee__highWaterSensor_~tmp~6#1| 0) (not (<= ~waterLevel~0 1))))) [2022-11-03 03:30:28,189 INFO L895 garLoopResultBuilder]: At program point L805(lines 805 822) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 1))) (.cse2 (not (<= 1 ~switchedOnBeforeTS~0))) (.cse3 (= ~pumpRunning~0 1))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (not (< ~waterLevel~0 3))) (or (not (<= ~waterLevel~0 0)) .cse0 .cse1 .cse2 .cse3) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3))) [2022-11-03 03:30:28,190 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 601 612) no Hoare annotation was computed. [2022-11-03 03:30:28,190 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 601 612) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (= ~pumpRunning~0 1))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (< |old(~waterLevel~0)| 3)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse2 .cse5 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse2 .cse5 (not (= 0 ~systemActive~0))) (or .cse1 .cse4 .cse2 (not (<= 1 ~switchedOnBeforeTS~0)) .cse3))) [2022-11-03 03:30:28,190 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 879 887) no Hoare annotation was computed. [2022-11-03 03:30:28,190 INFO L902 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 879 887) the Hoare annotation is: true [2022-11-03 03:30:28,193 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:30:28,195 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 03:30:28,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 03:30:28 BoogieIcfgContainer [2022-11-03 03:30:28,227 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 03:30:28,228 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 03:30:28,228 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 03:30:28,228 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 03:30:28,229 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:29:03" (3/4) ... [2022-11-03 03:30:28,231 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-03 03:30:28,237 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-03 03:30:28,237 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-03 03:30:28,237 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-03 03:30:28,237 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-03 03:30:28,237 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-03 03:30:28,237 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-11-03 03:30:28,237 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-03 03:30:28,238 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-11-03 03:30:28,245 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 77 nodes and edges [2022-11-03 03:30:28,245 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-11-03 03:30:28,246 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-03 03:30:28,246 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-03 03:30:28,247 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-03 03:30:28,247 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 03:30:28,247 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 03:30:28,271 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && ((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2)) || ((((1 <= aux-isPumpRunning()-aux && 1 == systemActive) && \old(waterLevel) == waterLevel) && waterLevel < 3) && pumpRunning == 1)) || !(2 <= \old(waterLevel)))) && ((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || ((((1 <= aux-isPumpRunning()-aux && 1 == systemActive) && \old(waterLevel) == waterLevel) && waterLevel < 3) && pumpRunning == 1)) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) [2022-11-03 03:30:28,272 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || ((waterLevel == 1 && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS)) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && (((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || ((\old(waterLevel) == waterLevel && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || (\old(waterLevel) == waterLevel && pumpRunning == 1)) || !(\old(waterLevel) < 3))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || pumpRunning == 0) || !(1 == systemActive))) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || (((pumpRunning == 0 && \old(waterLevel) == waterLevel + 1) && 0 < \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || (((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || !(1 <= \old(switchedOnBeforeTS))) [2022-11-03 03:30:28,272 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(waterLevel) <= 1) || (((pumpRunning == 0 && tmp == waterLevel) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || ((((tmp == waterLevel && waterLevel <= 0) && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || \old(waterLevel) == waterLevel)) && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || !(\old(pumpRunning) == 1)) || !(1 <= \old(switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && tmp == waterLevel) && \old(waterLevel) == waterLevel)) || !(0 == systemActive)) || !(\old(waterLevel) < 3))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((pumpRunning == 0 && tmp == waterLevel) && \old(waterLevel) == waterLevel))) && (((((!(1 == systemActive) || (((tmp == waterLevel && waterLevel == 1) && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || (((pumpRunning == 0 && tmp == waterLevel) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && tmp == waterLevel) && \old(waterLevel) == waterLevel)) || ((tmp == waterLevel && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || !(\old(waterLevel) < 3)) [2022-11-03 03:30:28,273 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && ((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || ((waterLevel == 1 && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && ((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || (((waterLevel <= 0 && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || \old(waterLevel) == waterLevel)) && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || !(1 <= \old(switchedOnBeforeTS))) [2022-11-03 03:30:28,273 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) && (((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(1 <= \old(switchedOnBeforeTS))) || !(\old(waterLevel) < 3))) && (((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) < 3)) [2022-11-03 03:30:28,273 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) && (((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || ((waterLevel == 1 && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && (((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || ((\old(waterLevel) == waterLevel && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || (\old(waterLevel) == waterLevel && pumpRunning == 1)) || !(\old(waterLevel) < 3))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || pumpRunning == 0) || !(1 == systemActive))) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || (((pumpRunning == 0 && \old(waterLevel) == waterLevel + 1) && 0 < \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || (((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || !(1 <= \old(switchedOnBeforeTS))) [2022-11-03 03:30:28,273 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(waterLevel < 3)) && ((((!(waterLevel <= 0) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || !(1 <= switchedOnBeforeTS)) || pumpRunning == 1)) && ((((!(waterLevel == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || !(1 <= switchedOnBeforeTS)) || pumpRunning == 1) [2022-11-03 03:30:28,274 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) && (((!(waterLevel == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || !(1 <= switchedOnBeforeTS))) && (((!(waterLevel <= 0) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || !(1 <= switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || tmp == 0) || !(waterLevel <= 1)) [2022-11-03 03:30:28,304 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3195c82c-9678-4216-9955-9bed4a91364a/bin/utaipan-7li7fVZpFI/witness.graphml [2022-11-03 03:30:28,304 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 03:30:28,305 INFO L158 Benchmark]: Toolchain (without parser) took 86178.89ms. Allocated memory was 140.5MB in the beginning and 809.5MB in the end (delta: 669.0MB). Free memory was 105.4MB in the beginning and 653.2MB in the end (delta: -547.8MB). Peak memory consumption was 119.7MB. Max. memory is 16.1GB. [2022-11-03 03:30:28,305 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory was 40.1MB in the beginning and 40.0MB in the end (delta: 50.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 03:30:28,306 INFO L158 Benchmark]: CACSL2BoogieTranslator took 567.40ms. Allocated memory is still 140.5MB. Free memory was 105.1MB in the beginning and 104.3MB in the end (delta: 854.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-03 03:30:28,306 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.38ms. Allocated memory is still 140.5MB. Free memory was 104.3MB in the beginning and 101.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 03:30:28,307 INFO L158 Benchmark]: Boogie Preprocessor took 53.86ms. Allocated memory is still 140.5MB. Free memory was 101.7MB in the beginning and 100.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 03:30:28,307 INFO L158 Benchmark]: RCFGBuilder took 1015.95ms. Allocated memory was 140.5MB in the beginning and 184.5MB in the end (delta: 44.0MB). Free memory was 99.6MB in the beginning and 157.3MB in the end (delta: -57.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2022-11-03 03:30:28,307 INFO L158 Benchmark]: TraceAbstraction took 84364.46ms. Allocated memory was 184.5MB in the beginning and 809.5MB in the end (delta: 625.0MB). Free memory was 157.3MB in the beginning and 658.5MB in the end (delta: -501.2MB). Peak memory consumption was 491.8MB. Max. memory is 16.1GB. [2022-11-03 03:30:28,308 INFO L158 Benchmark]: Witness Printer took 76.76ms. Allocated memory is still 809.5MB. Free memory was 658.5MB in the beginning and 653.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-03 03:30:28,310 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory was 40.1MB in the beginning and 40.0MB in the end (delta: 50.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 567.40ms. Allocated memory is still 140.5MB. Free memory was 105.1MB in the beginning and 104.3MB in the end (delta: 854.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.38ms. Allocated memory is still 140.5MB. Free memory was 104.3MB in the beginning and 101.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.86ms. Allocated memory is still 140.5MB. Free memory was 101.7MB in the beginning and 100.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1015.95ms. Allocated memory was 140.5MB in the beginning and 184.5MB in the end (delta: 44.0MB). Free memory was 99.6MB in the beginning and 157.3MB in the end (delta: -57.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * TraceAbstraction took 84364.46ms. Allocated memory was 184.5MB in the beginning and 809.5MB in the end (delta: 625.0MB). Free memory was 157.3MB in the beginning and 658.5MB in the end (delta: -501.2MB). Peak memory consumption was 491.8MB. Max. memory is 16.1GB. * Witness Printer took 76.76ms. Allocated memory is still 809.5MB. Free memory was 658.5MB in the beginning and 653.2MB 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: 526]: 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 9 procedures, 66 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 84.3s, OverallIterations: 11, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 9.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3172 SdHoareTripleChecker+Valid, 4.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3147 mSDsluCounter, 4017 SdHoareTripleChecker+Invalid, 3.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3745 mSDsCounter, 1746 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4840 IncrementalHoareTripleChecker+Invalid, 6586 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1746 mSolverCounterUnsat, 993 mSDtfsCounter, 4840 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1037 GetRequests, 729 SyntacticMatches, 8 SemanticMatches, 300 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9301 ImplicationChecksByTransitivity, 31.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=513occurred in iteration=10, InterpolantAutomatonStates: 166, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 551 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 39 LocationsWithAnnotation, 1860 PreInvPairs, 2176 NumberOfFragments, 2336 HoareAnnotationTreeSize, 1860 FomulaSimplifications, 18425 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 39 FomulaSimplificationsInter, 48070 FormulaSimplificationTreeSizeReductionInter, 8.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 5.7s InterpolantComputationTime, 831 NumberOfCodeBlocks, 831 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1055 ConstructedInterpolants, 0 QuantifiedInterpolants, 3358 SizeOfPredicates, 26 NumberOfNonLiveVariables, 1975 ConjunctsInSsa, 60 ConjunctsInUnsatCore, 18 InterpolantComputations, 8 PerfectInterpolantSequences, 509/608 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: 552]: Loop Invariant Derived loop invariant: ((((((((!(\old(waterLevel) <= 1) || (((pumpRunning == 0 && tmp == waterLevel) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && 1 <= switchedOnBeforeTS)) || !(1 == systemActive)) || ((((tmp == waterLevel && waterLevel <= 0) && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || \old(waterLevel) == waterLevel)) && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || !(\old(pumpRunning) == 1)) || !(1 <= \old(switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && tmp == waterLevel) && \old(waterLevel) == waterLevel)) || !(0 == systemActive)) || !(\old(waterLevel) < 3))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((pumpRunning == 0 && tmp == waterLevel) && \old(waterLevel) == waterLevel))) && (((((!(1 == systemActive) || (((tmp == waterLevel && waterLevel == 1) && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || (((pumpRunning == 0 && tmp == waterLevel) && waterLevel == 1) && 1 <= switchedOnBeforeTS)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && tmp == waterLevel) && \old(waterLevel) == waterLevel)) || ((tmp == waterLevel && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || !(\old(waterLevel) < 3)) - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && splverifierCounter == 0) && 1 <= switchedOnBeforeTS) && waterLevel < 3) && pumpRunning == 1) || (((pumpRunning == 0 && splverifierCounter == 0) && waterLevel <= 2) && 0 == systemActive)) || ((((2 <= waterLevel && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 1)) || (((pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 732]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0) && waterLevel < 3) || ((((1 == systemActive && splverifierCounter == 0) && 1 <= switchedOnBeforeTS) && waterLevel < 3) && pumpRunning == 1)) || (((pumpRunning == 0 && splverifierCounter == 0) && 0 == systemActive) && waterLevel < 3)) || ((((2 <= waterLevel && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 1) - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && ((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || ((waterLevel == 1 && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && ((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || (((waterLevel <= 0 && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || \old(waterLevel) == waterLevel)) && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 428]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 966]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && splverifierCounter == 0) && waterLevel < 3 - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 805]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(waterLevel < 3)) && ((((!(waterLevel <= 0) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || !(1 <= switchedOnBeforeTS)) || pumpRunning == 1)) && ((((!(waterLevel == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || !(1 <= switchedOnBeforeTS)) || pumpRunning == 1) - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: (((((((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || ((waterLevel == 1 && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS)) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive))) && (((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || ((\old(waterLevel) == waterLevel && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || (\old(waterLevel) == waterLevel && pumpRunning == 1)) || !(\old(waterLevel) < 3))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || pumpRunning == 0) || !(1 == systemActive))) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || (((pumpRunning == 0 && \old(waterLevel) == waterLevel + 1) && 0 < \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || (((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 809]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) && (((!(waterLevel == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || !(1 <= switchedOnBeforeTS))) && (((!(waterLevel <= 0) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || !(1 <= switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || tmp == 0) || !(waterLevel <= 1)) - InvariantResult [Line: 547]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && ((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2)) || ((((1 <= aux-isPumpRunning()-aux && 1 == systemActive) && \old(waterLevel) == waterLevel) && waterLevel < 3) && pumpRunning == 1)) || !(2 <= \old(waterLevel)))) && ((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || ((((1 <= aux-isPumpRunning()-aux && 1 == systemActive) && \old(waterLevel) == waterLevel) && waterLevel < 3) && pumpRunning == 1)) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) && (((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || ((waterLevel == 1 && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel))) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && (((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || ((\old(waterLevel) == waterLevel && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || (\old(waterLevel) == waterLevel && pumpRunning == 1)) || !(\old(waterLevel) < 3))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || pumpRunning == 0) || !(1 == systemActive))) && (((((!(\old(waterLevel) == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || (((pumpRunning == 0 && \old(waterLevel) == waterLevel + 1) && 0 < \old(waterLevel)) && 1 <= switchedOnBeforeTS)) || (((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) <= 2)) || !(0 == systemActive)) && (((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(1 <= \old(switchedOnBeforeTS))) || !(\old(waterLevel) < 3))) && (((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) < 3)) RESULT: Ultimate proved your program to be correct! [2022-11-03 03:30:28,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3195c82c-9678-4216-9955-9bed4a91364a/bin/utaipan-7li7fVZpFI/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