./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product38.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a93419-4090-4ade-bb24-c13957aef979/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a93419-4090-4ade-bb24-c13957aef979/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_92a93419-4090-4ade-bb24-c13957aef979/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a93419-4090-4ade-bb24-c13957aef979/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product38.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a93419-4090-4ade-bb24-c13957aef979/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_92a93419-4090-4ade-bb24-c13957aef979/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 68c6d60a43782147acd714b0904a144255717c2aa47fb6b6f8991672a1483369 --- 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 04:04:05,786 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 04:04:05,788 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 04:04:05,814 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 04:04:05,815 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 04:04:05,816 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 04:04:05,817 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 04:04:05,819 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 04:04:05,821 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 04:04:05,822 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 04:04:05,823 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 04:04:05,824 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 04:04:05,824 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 04:04:05,825 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 04:04:05,826 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 04:04:05,827 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 04:04:05,828 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 04:04:05,829 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 04:04:05,831 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 04:04:05,832 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 04:04:05,834 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 04:04:05,835 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 04:04:05,836 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 04:04:05,837 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 04:04:05,841 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 04:04:05,841 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 04:04:05,841 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 04:04:05,842 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 04:04:05,843 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 04:04:05,844 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 04:04:05,844 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 04:04:05,845 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 04:04:05,846 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 04:04:05,847 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 04:04:05,848 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 04:04:05,848 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 04:04:05,849 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 04:04:05,849 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 04:04:05,850 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 04:04:05,851 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 04:04:05,852 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 04:04:05,852 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a93419-4090-4ade-bb24-c13957aef979/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-03 04:04:05,877 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 04:04:05,878 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 04:04:05,878 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 04:04:05,878 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 04:04:05,879 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 04:04:05,879 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 04:04:05,879 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 04:04:05,880 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 04:04:05,880 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 04:04:05,880 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 04:04:05,880 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 04:04:05,881 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 04:04:05,881 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 04:04:05,881 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 04:04:05,881 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 04:04:05,881 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 04:04:05,882 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 04:04:05,882 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 04:04:05,883 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 04:04:05,883 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 04:04:05,883 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 04:04:05,883 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 04:04:05,884 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 04:04:05,884 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 04:04:05,884 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 04:04:05,884 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 04:04:05,885 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 04:04:05,885 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 04:04:05,885 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 04:04:05,885 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 04:04:05,885 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 04:04:05,886 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 04:04:05,886 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 04:04:05,886 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 04:04:05,886 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 04:04:05,887 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 04:04:05,887 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 04:04:05,887 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 04:04:05,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 04:04:05,888 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 04:04:05,888 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 04:04:05,888 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_92a93419-4090-4ade-bb24-c13957aef979/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a93419-4090-4ade-bb24-c13957aef979/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68c6d60a43782147acd714b0904a144255717c2aa47fb6b6f8991672a1483369 [2022-11-03 04:04:06,148 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 04:04:06,182 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 04:04:06,187 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 04:04:06,188 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 04:04:06,189 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 04:04:06,190 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a93419-4090-4ade-bb24-c13957aef979/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/product-lines/minepump_spec5_product38.cil.c [2022-11-03 04:04:06,258 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a93419-4090-4ade-bb24-c13957aef979/bin/utaipan-7li7fVZpFI/data/a3c9aae8f/9f7ab3fa70c944eba416bf0d4ed7fe2b/FLAGe77840983 [2022-11-03 04:04:06,802 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 04:04:06,802 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a93419-4090-4ade-bb24-c13957aef979/sv-benchmarks/c/product-lines/minepump_spec5_product38.cil.c [2022-11-03 04:04:06,814 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a93419-4090-4ade-bb24-c13957aef979/bin/utaipan-7li7fVZpFI/data/a3c9aae8f/9f7ab3fa70c944eba416bf0d4ed7fe2b/FLAGe77840983 [2022-11-03 04:04:07,119 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a93419-4090-4ade-bb24-c13957aef979/bin/utaipan-7li7fVZpFI/data/a3c9aae8f/9f7ab3fa70c944eba416bf0d4ed7fe2b [2022-11-03 04:04:07,122 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 04:04:07,124 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 04:04:07,125 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 04:04:07,126 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 04:04:07,129 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 04:04:07,130 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:04:07" (1/1) ... [2022-11-03 04:04:07,132 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33813fea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:04:07, skipping insertion in model container [2022-11-03 04:04:07,133 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:04:07" (1/1) ... [2022-11-03 04:04:07,140 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 04:04:07,200 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 04:04:07,381 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_92a93419-4090-4ade-bb24-c13957aef979/sv-benchmarks/c/product-lines/minepump_spec5_product38.cil.c[1605,1618] [2022-11-03 04:04:07,492 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 04:04:07,502 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 04:04:07,525 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_92a93419-4090-4ade-bb24-c13957aef979/sv-benchmarks/c/product-lines/minepump_spec5_product38.cil.c[1605,1618] [2022-11-03 04:04:07,620 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 04:04:07,650 INFO L208 MainTranslator]: Completed translation [2022-11-03 04:04:07,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:04:07 WrapperNode [2022-11-03 04:04:07,650 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 04:04:07,651 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 04:04:07,652 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 04:04:07,652 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 04:04:07,659 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:04:07" (1/1) ... [2022-11-03 04:04:07,671 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:04:07" (1/1) ... [2022-11-03 04:04:07,696 INFO L138 Inliner]: procedures = 56, calls = 157, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 259 [2022-11-03 04:04:07,696 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 04:04:07,697 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 04:04:07,697 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 04:04:07,697 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 04:04:07,706 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:04:07" (1/1) ... [2022-11-03 04:04:07,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:04:07" (1/1) ... [2022-11-03 04:04:07,709 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:04:07" (1/1) ... [2022-11-03 04:04:07,709 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:04:07" (1/1) ... [2022-11-03 04:04:07,714 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:04:07" (1/1) ... [2022-11-03 04:04:07,719 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:04:07" (1/1) ... [2022-11-03 04:04:07,720 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:04:07" (1/1) ... [2022-11-03 04:04:07,722 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:04:07" (1/1) ... [2022-11-03 04:04:07,724 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 04:04:07,725 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 04:04:07,725 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 04:04:07,725 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 04:04:07,726 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:04:07" (1/1) ... [2022-11-03 04:04:07,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 04:04:07,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a93419-4090-4ade-bb24-c13957aef979/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:04:07,767 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a93419-4090-4ade-bb24-c13957aef979/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 04:04:07,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a93419-4090-4ade-bb24-c13957aef979/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 04:04:07,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 04:04:07,815 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-03 04:04:07,815 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-03 04:04:07,815 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-03 04:04:07,815 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-03 04:04:07,815 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-03 04:04:07,815 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-03 04:04:07,815 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-11-03 04:04:07,816 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-11-03 04:04:07,816 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-03 04:04:07,816 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-03 04:04:07,816 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-11-03 04:04:07,816 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-11-03 04:04:07,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 04:04:07,816 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-03 04:04:07,817 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-03 04:04:07,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 04:04:07,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 04:04:07,925 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 04:04:07,927 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 04:04:08,382 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 04:04:08,553 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 04:04:08,554 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-03 04:04:08,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:04:08 BoogieIcfgContainer [2022-11-03 04:04:08,558 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 04:04:08,561 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 04:04:08,561 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 04:04:08,565 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 04:04:08,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:04:07" (1/3) ... [2022-11-03 04:04:08,567 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f9ffcdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:04:08, skipping insertion in model container [2022-11-03 04:04:08,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:04:07" (2/3) ... [2022-11-03 04:04:08,567 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f9ffcdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:04:08, skipping insertion in model container [2022-11-03 04:04:08,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:04:08" (3/3) ... [2022-11-03 04:04:08,569 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product38.cil.c [2022-11-03 04:04:08,585 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 04:04:08,585 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 04:04:08,635 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 04:04:08,642 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;@3e2c6c94, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 04:04:08,642 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 04:04:08,655 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 37 states have (on average 1.4324324324324325) internal successors, (53), 45 states have internal predecessors, (53), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-03 04:04:08,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-03 04:04:08,665 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:04:08,666 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 04:04:08,667 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:04:08,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:04:08,676 INFO L85 PathProgramCache]: Analyzing trace with hash 840991641, now seen corresponding path program 1 times [2022-11-03 04:04:08,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:04:08,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766783643] [2022-11-03 04:04:08,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:04:08,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:04:08,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:04:08,899 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 04:04:08,899 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:04:08,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766783643] [2022-11-03 04:04:08,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766783643] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:04:08,902 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:04:08,902 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 04:04:08,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866679434] [2022-11-03 04:04:08,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:04:08,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-03 04:04:08,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:04:08,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-03 04:04:08,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 04:04:08,949 INFO L87 Difference]: Start difference. First operand has 58 states, 37 states have (on average 1.4324324324324325) internal successors, (53), 45 states have internal predecessors, (53), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 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 04:04:09,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:04:09,037 INFO L93 Difference]: Finished difference Result 114 states and 155 transitions. [2022-11-03 04:04:09,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-03 04:04:09,040 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 04:04:09,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:04:09,049 INFO L225 Difference]: With dead ends: 114 [2022-11-03 04:04:09,049 INFO L226 Difference]: Without dead ends: 53 [2022-11-03 04:04:09,053 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 04:04:09,056 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 04:04:09,057 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 57 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 04:04:09,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-11-03 04:04:09,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2022-11-03 04:04:09,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 41 states have internal predecessors, (45), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-03 04:04:09,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 68 transitions. [2022-11-03 04:04:09,101 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 68 transitions. Word has length 21 [2022-11-03 04:04:09,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:04:09,102 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 68 transitions. [2022-11-03 04:04:09,102 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 04:04:09,102 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions. [2022-11-03 04:04:09,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 04:04:09,105 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:04:09,105 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] [2022-11-03 04:04:09,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 04:04:09,105 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:04:09,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:04:09,106 INFO L85 PathProgramCache]: Analyzing trace with hash -24351572, now seen corresponding path program 1 times [2022-11-03 04:04:09,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:04:09,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042781889] [2022-11-03 04:04:09,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:04:09,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:04:09,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:04:09,392 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 04:04:09,392 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:04:09,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042781889] [2022-11-03 04:04:09,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042781889] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:04:09,393 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:04:09,393 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 04:04:09,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716704653] [2022-11-03 04:04:09,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:04:09,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 04:04:09,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:04:09,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 04:04:09,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 04:04:09,396 INFO L87 Difference]: Start difference. First operand 53 states and 68 transitions. Second operand has 6 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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 04:04:09,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:04:09,688 INFO L93 Difference]: Finished difference Result 150 states and 214 transitions. [2022-11-03 04:04:09,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 04:04:09,689 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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 24 [2022-11-03 04:04:09,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:04:09,691 INFO L225 Difference]: With dead ends: 150 [2022-11-03 04:04:09,691 INFO L226 Difference]: Without dead ends: 99 [2022-11-03 04:04:09,692 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 04:04:09,694 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 43 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 04:04:09,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 324 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 04:04:09,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2022-11-03 04:04:09,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 95. [2022-11-03 04:04:09,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 62 states have (on average 1.2580645161290323) internal successors, (78), 69 states have internal predecessors, (78), 20 states have call successors, (20), 14 states have call predecessors, (20), 12 states have return successors, (26), 18 states have call predecessors, (26), 18 states have call successors, (26) [2022-11-03 04:04:09,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 124 transitions. [2022-11-03 04:04:09,743 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 124 transitions. Word has length 24 [2022-11-03 04:04:09,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:04:09,744 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 124 transitions. [2022-11-03 04:04:09,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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 04:04:09,744 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 124 transitions. [2022-11-03 04:04:09,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-03 04:04:09,746 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:04:09,746 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] [2022-11-03 04:04:09,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 04:04:09,746 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:04:09,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:04:09,747 INFO L85 PathProgramCache]: Analyzing trace with hash -849782081, now seen corresponding path program 1 times [2022-11-03 04:04:09,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:04:09,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955541579] [2022-11-03 04:04:09,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:04:09,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:04:09,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:04:10,180 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 04:04:10,181 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:04:10,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955541579] [2022-11-03 04:04:10,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955541579] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:04:10,182 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:04:10,182 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 04:04:10,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324035154] [2022-11-03 04:04:10,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:04:10,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 04:04:10,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:04:10,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 04:04:10,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-03 04:04:10,184 INFO L87 Difference]: Start difference. First operand 95 states and 124 transitions. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 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 04:04:10,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:04:10,400 INFO L93 Difference]: Finished difference Result 283 states and 375 transitions. [2022-11-03 04:04:10,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 04:04:10,400 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 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 32 [2022-11-03 04:04:10,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:04:10,403 INFO L225 Difference]: With dead ends: 283 [2022-11-03 04:04:10,403 INFO L226 Difference]: Without dead ends: 182 [2022-11-03 04:04:10,405 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 04:04:10,406 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 129 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 04:04:10,407 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 268 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 04:04:10,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2022-11-03 04:04:10,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 176. [2022-11-03 04:04:10,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 114 states have (on average 1.236842105263158) internal successors, (141), 125 states have internal predecessors, (141), 37 states have call successors, (37), 27 states have call predecessors, (37), 24 states have return successors, (53), 32 states have call predecessors, (53), 34 states have call successors, (53) [2022-11-03 04:04:10,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 231 transitions. [2022-11-03 04:04:10,438 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 231 transitions. Word has length 32 [2022-11-03 04:04:10,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:04:10,439 INFO L495 AbstractCegarLoop]: Abstraction has 176 states and 231 transitions. [2022-11-03 04:04:10,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 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 04:04:10,439 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 231 transitions. [2022-11-03 04:04:10,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-03 04:04:10,441 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:04:10,441 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] [2022-11-03 04:04:10,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 04:04:10,442 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:04:10,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:04:10,443 INFO L85 PathProgramCache]: Analyzing trace with hash -567989994, now seen corresponding path program 1 times [2022-11-03 04:04:10,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:04:10,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748108335] [2022-11-03 04:04:10,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:04:10,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:04:10,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:04:10,704 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 04:04:10,705 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:04:10,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748108335] [2022-11-03 04:04:10,706 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748108335] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:04:10,706 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:04:10,706 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-03 04:04:10,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362608665] [2022-11-03 04:04:10,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:04:10,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-03 04:04:10,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:04:10,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-03 04:04:10,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 04:04:10,715 INFO L87 Difference]: Start difference. First operand 176 states and 231 transitions. Second operand has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 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 04:04:11,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:04:11,300 INFO L93 Difference]: Finished difference Result 462 states and 675 transitions. [2022-11-03 04:04:11,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-03 04:04:11,301 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 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 35 [2022-11-03 04:04:11,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:04:11,307 INFO L225 Difference]: With dead ends: 462 [2022-11-03 04:04:11,307 INFO L226 Difference]: Without dead ends: 336 [2022-11-03 04:04:11,309 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2022-11-03 04:04:11,310 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 276 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 04:04:11,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 260 Invalid, 427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [154 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 04:04:11,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2022-11-03 04:04:11,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 268. [2022-11-03 04:04:11,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 178 states have (on average 1.247191011235955) internal successors, (222), 194 states have internal predecessors, (222), 54 states have call successors, (54), 35 states have call predecessors, (54), 35 states have return successors, (80), 51 states have call predecessors, (80), 49 states have call successors, (80) [2022-11-03 04:04:11,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 356 transitions. [2022-11-03 04:04:11,360 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 356 transitions. Word has length 35 [2022-11-03 04:04:11,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:04:11,361 INFO L495 AbstractCegarLoop]: Abstraction has 268 states and 356 transitions. [2022-11-03 04:04:11,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 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 04:04:11,361 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 356 transitions. [2022-11-03 04:04:11,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-03 04:04:11,364 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:04:11,364 INFO L195 NwaCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1] [2022-11-03 04:04:11,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 04:04:11,365 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:04:11,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:04:11,365 INFO L85 PathProgramCache]: Analyzing trace with hash 314010276, now seen corresponding path program 1 times [2022-11-03 04:04:11,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:04:11,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851062888] [2022-11-03 04:04:11,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:04:11,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:04:11,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:04:11,431 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-03 04:04:11,432 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:04:11,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851062888] [2022-11-03 04:04:11,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851062888] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:04:11,433 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:04:11,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:04:11,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596836738] [2022-11-03 04:04:11,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:04:11,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:04:11,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:04:11,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:04:11,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:04:11,435 INFO L87 Difference]: Start difference. First operand 268 states and 356 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-11-03 04:04:11,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:04:11,484 INFO L93 Difference]: Finished difference Result 398 states and 515 transitions. [2022-11-03 04:04:11,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:04:11,485 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 50 [2022-11-03 04:04:11,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:04:11,487 INFO L225 Difference]: With dead ends: 398 [2022-11-03 04:04:11,487 INFO L226 Difference]: Without dead ends: 228 [2022-11-03 04:04:11,488 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 04:04:11,489 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 2 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 04:04:11,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 77 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 04:04:11,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2022-11-03 04:04:11,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2022-11-03 04:04:11,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 153 states have (on average 1.2549019607843137) internal successors, (192), 169 states have internal predecessors, (192), 39 states have call successors, (39), 30 states have call predecessors, (39), 35 states have return successors, (54), 41 states have call predecessors, (54), 39 states have call successors, (54) [2022-11-03 04:04:11,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 285 transitions. [2022-11-03 04:04:11,537 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 285 transitions. Word has length 50 [2022-11-03 04:04:11,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:04:11,538 INFO L495 AbstractCegarLoop]: Abstraction has 228 states and 285 transitions. [2022-11-03 04:04:11,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-11-03 04:04:11,539 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 285 transitions. [2022-11-03 04:04:11,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-03 04:04:11,540 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:04:11,541 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:04:11,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 04:04:11,541 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:04:11,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:04:11,542 INFO L85 PathProgramCache]: Analyzing trace with hash -647334797, now seen corresponding path program 1 times [2022-11-03 04:04:11,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:04:11,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240097260] [2022-11-03 04:04:11,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:04:11,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:04:11,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:04:11,668 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-03 04:04:11,668 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:04:11,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240097260] [2022-11-03 04:04:11,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240097260] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:04:11,669 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:04:11,669 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 04:04:11,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162491888] [2022-11-03 04:04:11,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:04:11,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 04:04:11,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:04:11,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 04:04:11,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 04:04:11,671 INFO L87 Difference]: Start difference. First operand 228 states and 285 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 3 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-11-03 04:04:11,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:04:11,743 INFO L93 Difference]: Finished difference Result 454 states and 574 transitions. [2022-11-03 04:04:11,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 04:04:11,744 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 3 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 52 [2022-11-03 04:04:11,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:04:11,746 INFO L225 Difference]: With dead ends: 454 [2022-11-03 04:04:11,746 INFO L226 Difference]: Without dead ends: 228 [2022-11-03 04:04:11,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:04:11,748 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 43 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 04:04:11,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 70 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 04:04:11,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2022-11-03 04:04:11,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2022-11-03 04:04:11,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 153 states have (on average 1.2222222222222223) internal successors, (187), 169 states have internal predecessors, (187), 39 states have call successors, (39), 30 states have call predecessors, (39), 35 states have return successors, (54), 41 states have call predecessors, (54), 39 states have call successors, (54) [2022-11-03 04:04:11,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 280 transitions. [2022-11-03 04:04:11,782 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 280 transitions. Word has length 52 [2022-11-03 04:04:11,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:04:11,783 INFO L495 AbstractCegarLoop]: Abstraction has 228 states and 280 transitions. [2022-11-03 04:04:11,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 3 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-11-03 04:04:11,783 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 280 transitions. [2022-11-03 04:04:11,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-03 04:04:11,785 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:04:11,785 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:04:11,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 04:04:11,786 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:04:11,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:04:11,786 INFO L85 PathProgramCache]: Analyzing trace with hash 175287174, now seen corresponding path program 1 times [2022-11-03 04:04:11,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:04:11,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521106654] [2022-11-03 04:04:11,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:04:11,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:04:11,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:04:11,916 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-03 04:04:11,917 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:04:11,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521106654] [2022-11-03 04:04:11,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521106654] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 04:04:11,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1948031445] [2022-11-03 04:04:11,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:04:11,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:04:11,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a93419-4090-4ade-bb24-c13957aef979/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:04:11,920 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a93419-4090-4ade-bb24-c13957aef979/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:04:11,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a93419-4090-4ade-bb24-c13957aef979/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 04:04:12,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:04:12,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-03 04:04:12,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:04:12,128 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 04:04:12,128 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 04:04:12,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1948031445] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:04:12,129 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 04:04:12,129 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-11-03 04:04:12,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031057196] [2022-11-03 04:04:12,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:04:12,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:04:12,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:04:12,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:04:12,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-03 04:04:12,131 INFO L87 Difference]: Start difference. First operand 228 states and 280 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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 04:04:12,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:04:12,198 INFO L93 Difference]: Finished difference Result 338 states and 420 transitions. [2022-11-03 04:04:12,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:04:12,199 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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 60 [2022-11-03 04:04:12,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:04:12,201 INFO L225 Difference]: With dead ends: 338 [2022-11-03 04:04:12,201 INFO L226 Difference]: Without dead ends: 218 [2022-11-03 04:04:12,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-03 04:04:12,203 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 26 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 04:04:12,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 97 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 04:04:12,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2022-11-03 04:04:12,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2022-11-03 04:04:12,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 146 states have (on average 1.1917808219178083) internal successors, (174), 161 states have internal predecessors, (174), 37 states have call successors, (37), 30 states have call predecessors, (37), 34 states have return successors, (44), 38 states have call predecessors, (44), 37 states have call successors, (44) [2022-11-03 04:04:12,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 255 transitions. [2022-11-03 04:04:12,233 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 255 transitions. Word has length 60 [2022-11-03 04:04:12,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:04:12,234 INFO L495 AbstractCegarLoop]: Abstraction has 218 states and 255 transitions. [2022-11-03 04:04:12,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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 04:04:12,235 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 255 transitions. [2022-11-03 04:04:12,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-03 04:04:12,236 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:04:12,236 INFO L195 NwaCegarLoop]: trace histogram [3, 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 04:04:12,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a93419-4090-4ade-bb24-c13957aef979/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 04:04:12,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a93419-4090-4ade-bb24-c13957aef979/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-03 04:04:12,453 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:04:12,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:04:12,453 INFO L85 PathProgramCache]: Analyzing trace with hash -772429468, now seen corresponding path program 1 times [2022-11-03 04:04:12,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:04:12,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580590473] [2022-11-03 04:04:12,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:04:12,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:04:12,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:04:12,681 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-03 04:04:12,681 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:04:12,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580590473] [2022-11-03 04:04:12,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580590473] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 04:04:12,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1841699411] [2022-11-03 04:04:12,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:04:12,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:04:12,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a93419-4090-4ade-bb24-c13957aef979/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:04:12,684 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a93419-4090-4ade-bb24-c13957aef979/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:04:12,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a93419-4090-4ade-bb24-c13957aef979/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 04:04:12,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:04:12,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-03 04:04:12,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:04:12,986 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 04:04:12,986 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 04:04:13,152 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-03 04:04:13,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1841699411] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 04:04:13,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1624961931] [2022-11-03 04:04:13,173 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2022-11-03 04:04:13,173 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 04:04:13,177 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 04:04:13,182 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 04:04:13,183 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 04:04:19,083 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 48 for LOIs [2022-11-03 04:04:19,093 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 29 for LOIs [2022-11-03 04:04:19,392 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 53 for LOIs [2022-11-03 04:04:19,403 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 65 for LOIs [2022-11-03 04:04:19,711 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 42 for LOIs [2022-11-03 04:04:19,715 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 04:04:25,795 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '6153#(and (not (= |timeShift___utac_acc__Specification5_spec__3_~tmp___0~0#1| 0)) (= ~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(~pumpRunning~0)| 2147483647) (= 1 ~systemActive~0) (= |timeShift_getWaterLevel_~retValue_acc~5#1| ~waterLevel~0) (= |timeShift___utac_acc__Specification5_spec__3_~tmp~1#1| |timeShift_getWaterLevel_#res#1|) (not (= |timeShift___utac_acc__Specification5_spec__3_~tmp~1#1| 2)) (<= 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_getWaterLevel_~retValue_acc~5#1| 2147483647) (= ~switchedOnBeforeTS~0 0) (<= 0 |#StackHeapBarrier|) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2022-11-03 04:04:25,795 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 04:04:25,795 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 04:04:25,795 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 13 [2022-11-03 04:04:25,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401064321] [2022-11-03 04:04:25,796 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 04:04:25,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 04:04:25,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:04:25,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 04:04:25,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=200, Invalid=1606, Unknown=0, NotChecked=0, Total=1806 [2022-11-03 04:04:25,798 INFO L87 Difference]: Start difference. First operand 218 states and 255 transitions. Second operand has 13 states, 10 states have (on average 7.6) internal successors, (76), 11 states have internal predecessors, (76), 5 states have call successors, (17), 4 states have call predecessors, (17), 7 states have return successors, (17), 8 states have call predecessors, (17), 5 states have call successors, (17) [2022-11-03 04:04:26,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:04:26,429 INFO L93 Difference]: Finished difference Result 310 states and 375 transitions. [2022-11-03 04:04:26,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-03 04:04:26,429 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 7.6) internal successors, (76), 11 states have internal predecessors, (76), 5 states have call successors, (17), 4 states have call predecessors, (17), 7 states have return successors, (17), 8 states have call predecessors, (17), 5 states have call successors, (17) Word has length 63 [2022-11-03 04:04:26,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:04:26,433 INFO L225 Difference]: With dead ends: 310 [2022-11-03 04:04:26,434 INFO L226 Difference]: Without dead ends: 308 [2022-11-03 04:04:26,435 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 158 SyntacticMatches, 5 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1122 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=329, Invalid=2977, Unknown=0, NotChecked=0, Total=3306 [2022-11-03 04:04:26,440 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 148 mSDsluCounter, 758 mSDsCounter, 0 mSdLazyCounter, 485 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 694 SdHoareTripleChecker+Invalid, 580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 485 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 04:04:26,440 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 694 Invalid, 580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 485 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 04:04:26,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2022-11-03 04:04:26,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 262. [2022-11-03 04:04:26,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 173 states have (on average 1.1791907514450868) internal successors, (204), 193 states have internal predecessors, (204), 46 states have call successors, (46), 38 states have call predecessors, (46), 42 states have return successors, (57), 45 states have call predecessors, (57), 46 states have call successors, (57) [2022-11-03 04:04:26,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 307 transitions. [2022-11-03 04:04:26,478 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 307 transitions. Word has length 63 [2022-11-03 04:04:26,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:04:26,478 INFO L495 AbstractCegarLoop]: Abstraction has 262 states and 307 transitions. [2022-11-03 04:04:26,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 7.6) internal successors, (76), 11 states have internal predecessors, (76), 5 states have call successors, (17), 4 states have call predecessors, (17), 7 states have return successors, (17), 8 states have call predecessors, (17), 5 states have call successors, (17) [2022-11-03 04:04:26,479 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 307 transitions. [2022-11-03 04:04:26,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-03 04:04:26,481 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:04:26,482 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2022-11-03 04:04:26,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a93419-4090-4ade-bb24-c13957aef979/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-03 04:04:26,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a93419-4090-4ade-bb24-c13957aef979/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-03 04:04:26,699 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:04:26,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:04:26,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1361599813, now seen corresponding path program 1 times [2022-11-03 04:04:26,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:04:26,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765802802] [2022-11-03 04:04:26,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:04:26,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:04:26,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:04:26,994 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 33 proven. 3 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-11-03 04:04:26,995 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:04:26,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765802802] [2022-11-03 04:04:26,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765802802] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 04:04:26,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [429014952] [2022-11-03 04:04:26,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:04:26,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:04:26,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a93419-4090-4ade-bb24-c13957aef979/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:04:26,997 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a93419-4090-4ade-bb24-c13957aef979/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:04:27,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a93419-4090-4ade-bb24-c13957aef979/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-03 04:04:27,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:04:27,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-03 04:04:27,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:04:27,352 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 58 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-03 04:04:27,352 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 04:04:27,695 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-11-03 04:04:27,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [429014952] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 04:04:27,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1277841463] [2022-11-03 04:04:27,702 INFO L159 IcfgInterpreter]: Started Sifa with 37 locations of interest [2022-11-03 04:04:27,702 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 04:04:27,702 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 04:04:27,702 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 04:04:27,702 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 04:04:41,624 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 323 for LOIs [2022-11-03 04:04:41,693 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 61 for LOIs [2022-11-03 04:04:41,914 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 29 for LOIs [2022-11-03 04:04:41,916 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 27 for LOIs [2022-11-03 04:04:41,933 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 04:04:55,653 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '7616#(and (<= 0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 |timeShift___utac_acc__Specification5_spec__3_~tmp___0~0#1|) (= ~methaneLevelCritical~0 0) (<= |old(~pumpRunning~0)| 1) (= |timeShift_getWaterLevel_~retValue_acc~5#1| |timeShift_getWaterLevel_#res#1|) (= ~head~0.offset 0) (<= |old(~switchedOnBeforeTS~0)| 2147483647) (= 1 ~systemActive~0) (= |timeShift_getWaterLevel_~retValue_acc~5#1| ~waterLevel~0) (= |timeShift___utac_acc__Specification5_spec__3_~tmp~1#1| |timeShift_getWaterLevel_#res#1|) (not (= |timeShift___utac_acc__Specification5_spec__3_~tmp~1#1| 2)) (<= 0 (+ |old(~switchedOnBeforeTS~0)| 2147483648)) (= ~head~0.base 0) (= |#NULL.offset| 0) (<= |timeShift_getWaterLevel_~retValue_acc~5#1| 2147483647) (= ~switchedOnBeforeTS~0 0) (<= 0 |#StackHeapBarrier|) (= ~pumpRunning~0 1) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0) (<= 2 |timeShift_getWaterLevel_~retValue_acc~5#1|))' at error location [2022-11-03 04:04:55,653 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 04:04:55,653 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 04:04:55,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9, 9] total 20 [2022-11-03 04:04:55,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270957661] [2022-11-03 04:04:55,654 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 04:04:55,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-03 04:04:55,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:04:55,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-03 04:04:55,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=239, Invalid=1923, Unknown=0, NotChecked=0, Total=2162 [2022-11-03 04:04:55,656 INFO L87 Difference]: Start difference. First operand 262 states and 307 transitions. Second operand has 20 states, 20 states have (on average 5.0) internal successors, (100), 20 states have internal predecessors, (100), 7 states have call successors, (18), 5 states have call predecessors, (18), 7 states have return successors, (19), 7 states have call predecessors, (19), 7 states have call successors, (19) [2022-11-03 04:04:57,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:04:57,569 INFO L93 Difference]: Finished difference Result 776 states and 1003 transitions. [2022-11-03 04:04:57,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-11-03 04:04:57,571 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 5.0) internal successors, (100), 20 states have internal predecessors, (100), 7 states have call successors, (18), 5 states have call predecessors, (18), 7 states have return successors, (19), 7 states have call predecessors, (19), 7 states have call successors, (19) Word has length 80 [2022-11-03 04:04:57,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:04:57,574 INFO L225 Difference]: With dead ends: 776 [2022-11-03 04:04:57,574 INFO L226 Difference]: Without dead ends: 508 [2022-11-03 04:04:57,577 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 218 SyntacticMatches, 3 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1778 ImplicationChecksByTransitivity, 14.9s TimeCoverageRelationStatistics Valid=611, Invalid=4791, Unknown=0, NotChecked=0, Total=5402 [2022-11-03 04:04:57,578 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 462 mSDsluCounter, 509 mSDsCounter, 0 mSdLazyCounter, 1137 mSolverCounterSat, 351 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 465 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 1488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 351 IncrementalHoareTripleChecker+Valid, 1137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-03 04:04:57,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [465 Valid, 471 Invalid, 1488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [351 Valid, 1137 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-03 04:04:57,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2022-11-03 04:04:57,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 324. [2022-11-03 04:04:57,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 214 states have (on average 1.1401869158878504) internal successors, (244), 236 states have internal predecessors, (244), 54 states have call successors, (54), 49 states have call predecessors, (54), 55 states have return successors, (69), 55 states have call predecessors, (69), 54 states have call successors, (69) [2022-11-03 04:04:57,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 367 transitions. [2022-11-03 04:04:57,624 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 367 transitions. Word has length 80 [2022-11-03 04:04:57,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:04:57,625 INFO L495 AbstractCegarLoop]: Abstraction has 324 states and 367 transitions. [2022-11-03 04:04:57,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 5.0) internal successors, (100), 20 states have internal predecessors, (100), 7 states have call successors, (18), 5 states have call predecessors, (18), 7 states have return successors, (19), 7 states have call predecessors, (19), 7 states have call successors, (19) [2022-11-03 04:04:57,625 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 367 transitions. [2022-11-03 04:04:57,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-03 04:04:57,627 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:04:57,627 INFO L195 NwaCegarLoop]: trace histogram [5, 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] [2022-11-03 04:04:57,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a93419-4090-4ade-bb24-c13957aef979/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-03 04:04:57,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a93419-4090-4ade-bb24-c13957aef979/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:04:57,839 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:04:57,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:04:57,840 INFO L85 PathProgramCache]: Analyzing trace with hash -390557587, now seen corresponding path program 1 times [2022-11-03 04:04:57,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:04:57,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774937946] [2022-11-03 04:04:57,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:04:57,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:04:57,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:04:58,887 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 14 proven. 37 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-03 04:04:58,887 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:04:58,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774937946] [2022-11-03 04:04:58,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774937946] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 04:04:58,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [612076021] [2022-11-03 04:04:58,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:04:58,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:04:58,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a93419-4090-4ade-bb24-c13957aef979/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:04:58,889 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a93419-4090-4ade-bb24-c13957aef979/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:04:58,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a93419-4090-4ade-bb24-c13957aef979/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-03 04:04:59,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:04:59,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 30 conjunts are in the unsatisfiable core [2022-11-03 04:04:59,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:04:59,406 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 55 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-03 04:04:59,406 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 04:04:59,942 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 49 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-03 04:04:59,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [612076021] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 04:04:59,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [791383900] [2022-11-03 04:04:59,945 INFO L159 IcfgInterpreter]: Started Sifa with 37 locations of interest [2022-11-03 04:04:59,945 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 04:04:59,946 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 04:04:59,946 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 04:04:59,946 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 04:05:09,060 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 324 for LOIs [2022-11-03 04:05:09,127 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 36 for LOIs [2022-11-03 04:05:09,462 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 60 for LOIs [2022-11-03 04:05:09,472 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 26 for LOIs [2022-11-03 04:05:09,487 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 04:05:21,290 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '9990#(and (= ~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|) (= ~head~0.offset 0) (<= |old(~switchedOnBeforeTS~0)| 2147483647) (= 1 ~systemActive~0) (= |old(~pumpRunning~0)| 0) (= |timeShift_getWaterLevel_~retValue_acc~5#1| ~waterLevel~0) (= |timeShift___utac_acc__Specification5_spec__3_~tmp~1#1| |timeShift_getWaterLevel_#res#1|) (not (= |timeShift___utac_acc__Specification5_spec__3_~tmp~1#1| 2)) (<= 0 (+ |old(~switchedOnBeforeTS~0)| 2147483648)) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~head~0.base 0) (= |#NULL.offset| 0) (<= |timeShift_getWaterLevel_~retValue_acc~5#1| 2147483647) (= ~switchedOnBeforeTS~0 0) (<= 0 |#StackHeapBarrier|) (= ~pumpRunning~0 1) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0) (<= 2 |timeShift_getWaterLevel_~retValue_acc~5#1|))' at error location [2022-11-03 04:05:21,291 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-03 04:05:21,291 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-03 04:05:21,291 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 11, 11] total 36 [2022-11-03 04:05:21,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890840262] [2022-11-03 04:05:21,291 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-03 04:05:21,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2022-11-03 04:05:21,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:05:21,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2022-11-03 04:05:21,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=506, Invalid=3276, Unknown=0, NotChecked=0, Total=3782 [2022-11-03 04:05:21,294 INFO L87 Difference]: Start difference. First operand 324 states and 367 transitions. Second operand has 36 states, 35 states have (on average 3.9714285714285715) internal successors, (139), 35 states have internal predecessors, (139), 17 states have call successors, (26), 8 states have call predecessors, (26), 12 states have return successors, (24), 16 states have call predecessors, (24), 16 states have call successors, (24) [2022-11-03 04:05:24,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:05:24,258 INFO L93 Difference]: Finished difference Result 795 states and 929 transitions. [2022-11-03 04:05:24,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-11-03 04:05:24,258 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 35 states have (on average 3.9714285714285715) internal successors, (139), 35 states have internal predecessors, (139), 17 states have call successors, (26), 8 states have call predecessors, (26), 12 states have return successors, (24), 16 states have call predecessors, (24), 16 states have call successors, (24) Word has length 85 [2022-11-03 04:05:24,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:05:24,259 INFO L225 Difference]: With dead ends: 795 [2022-11-03 04:05:24,259 INFO L226 Difference]: Without dead ends: 0 [2022-11-03 04:05:24,263 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 226 SyntacticMatches, 12 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4048 ImplicationChecksByTransitivity, 13.8s TimeCoverageRelationStatistics Valid=1307, Invalid=8395, Unknown=0, NotChecked=0, Total=9702 [2022-11-03 04:05:24,264 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 1054 mSDsluCounter, 966 mSDsCounter, 0 mSdLazyCounter, 1969 mSolverCounterSat, 748 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1058 SdHoareTripleChecker+Valid, 873 SdHoareTripleChecker+Invalid, 2717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 748 IncrementalHoareTripleChecker+Valid, 1969 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-03 04:05:24,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1058 Valid, 873 Invalid, 2717 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [748 Valid, 1969 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-03 04:05:24,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-03 04:05:24,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-03 04:05:24,266 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 04:05:24,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-03 04:05:24,266 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 85 [2022-11-03 04:05:24,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:05:24,267 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-03 04:05:24,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 35 states have (on average 3.9714285714285715) internal successors, (139), 35 states have internal predecessors, (139), 17 states have call successors, (26), 8 states have call predecessors, (26), 12 states have return successors, (24), 16 states have call predecessors, (24), 16 states have call successors, (24) [2022-11-03 04:05:24,267 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-03 04:05:24,267 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-03 04:05:24,270 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 04:05:24,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a93419-4090-4ade-bb24-c13957aef979/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-03 04:05:24,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a93419-4090-4ade-bb24-c13957aef979/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-03 04:05:24,476 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-03 04:05:30,675 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 713 719) no Hoare annotation was computed. [2022-11-03 04:05:30,676 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 713 719) the Hoare annotation is: true [2022-11-03 04:05:30,676 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 612 623) the Hoare annotation is: true [2022-11-03 04:05:30,676 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 612 623) no Hoare annotation was computed. [2022-11-03 04:05:30,677 INFO L895 garLoopResultBuilder]: At program point L766(line 766) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse5 (not (= |old(~pumpRunning~0)| 1))) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 (= ~waterLevel~0 1))) (or .cse0 .cse2 .cse3 .cse4) (or .cse5 .cse4 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) (not (< |old(~waterLevel~0)| 3))) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse2 .cse4) (or .cse5 .cse3 .cse4)))) [2022-11-03 04:05:30,677 INFO L895 garLoopResultBuilder]: At program point L766-1(lines 747 771) the Hoare annotation is: (let ((.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~waterLevel~0 1)) (.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse0 (not (= |old(~pumpRunning~0)| 1))) (.cse5 (= ~pumpRunning~0 0)) (.cse4 (= 0 ~systemActive~0)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse11 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or .cse0 (and .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 2)) .cse4 (and .cse5 .cse1 .cse2)) (or (and (= 2 ~waterLevel~0) .cse6 .cse3) .cse7 (and .cse5 .cse6) .cse4 (not (< |old(~waterLevel~0)| 3))) (or .cse7 .cse8 (and .cse5 .cse1)) (let ((.cse9 (= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse10 (< 0 |old(~waterLevel~0)|))) (or .cse8 .cse0 (and .cse5 .cse9 .cse10 .cse2) (and .cse9 .cse10 .cse2 .cse3) .cse4 .cse11)) (or .cse0 (and .cse5 .cse6 .cse2) .cse4 (and .cse6 .cse2 .cse3) (not (<= |old(~waterLevel~0)| 0)) .cse11))) [2022-11-03 04:05:30,678 INFO L895 garLoopResultBuilder]: At program point L700-1(lines 700 706) the Hoare annotation is: (let ((.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~waterLevel~0 1)) (.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse0 (not (= |old(~pumpRunning~0)| 1))) (.cse5 (= ~pumpRunning~0 0)) (.cse4 (= 0 ~systemActive~0)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse11 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))) (and (or .cse0 (and .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 2)) .cse4 (and .cse5 .cse1 .cse2)) (or (and (= 2 ~waterLevel~0) .cse6 .cse3) .cse7 (and .cse5 .cse6) .cse4 (not (< |old(~waterLevel~0)| 3))) (or .cse7 .cse8 (and .cse5 .cse1)) (let ((.cse9 (= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse10 (< 0 |old(~waterLevel~0)|))) (or .cse8 .cse0 (and .cse5 .cse9 .cse10 .cse2) (and .cse9 .cse10 .cse2 .cse3) .cse4 .cse11)) (or .cse0 (and .cse5 .cse6 .cse2) .cse4 (and .cse6 .cse2 .cse3) (not (<= |old(~waterLevel~0)| 0)) .cse11))) [2022-11-03 04:05:30,678 INFO L895 garLoopResultBuilder]: At program point L181(line 181) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse11 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse5 (and .cse11 (= ~pumpRunning~0 1))) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse2 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (and .cse1 .cse11)) (.cse3 (not (= |old(~pumpRunning~0)| 1))) (.cse4 (= 0 ~systemActive~0)) (.cse9 (<= 1 ~switchedOnBeforeTS~0)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse10 (not (< |old(~waterLevel~0)| 3)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 (= ~waterLevel~0 1))) (or .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse3 .cse7 .cse4 .cse5) (or .cse0 .cse8 .cse7 .cse4) (or .cse0 .cse4 .cse9 .cse6 .cse10) (or .cse2 .cse0 .cse8 .cse4) (or .cse3 .cse4 .cse9 .cse6 .cse10)))) [2022-11-03 04:05:30,679 INFO L895 garLoopResultBuilder]: At program point L181-1(line 181) the Hoare annotation is: (let ((.cse5 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (= ~pumpRunning~0 0)) (.cse0 (not (= |old(~pumpRunning~0)| 1))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (and (<= 1 |timeShift___utac_acc__Specification5_spec__2_#t~ret5#1|) .cse5 (= ~pumpRunning~0 1)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 2)) .cse1 .cse2) (or .cse3 (not (= |old(~waterLevel~0)| 1)) (and .cse4 (= ~waterLevel~0 1))) (or .cse3 (and .cse4 .cse5) .cse1 (not (< |old(~waterLevel~0)| 3))) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse2)))) [2022-11-03 04:05:30,679 INFO L899 garLoopResultBuilder]: For program point L693-2(lines 689 711) no Hoare annotation was computed. [2022-11-03 04:05:30,679 INFO L895 garLoopResultBuilder]: At program point L755(lines 755 763) the Hoare annotation is: (let ((.cse4 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 1))) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse1 (= 0 ~systemActive~0)) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse2 .cse3) (not (<= |old(~waterLevel~0)| 0)) .cse4) (or .cse5 .cse1 (not (< |old(~waterLevel~0)| 3))) (or .cse6 (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse2 .cse3) .cse0 .cse1 .cse4) (or .cse0 (and (= ~waterLevel~0 1) .cse2 .cse3) (not (= |old(~waterLevel~0)| 2)) .cse1) (or .cse5 .cse6))) [2022-11-03 04:05:30,680 INFO L895 garLoopResultBuilder]: At program point L751(lines 751 768) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (= ~waterLevel~0 1)) (.cse6 (not (= |old(~waterLevel~0)| 2))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (and .cse1 .cse10)) (.cse9 (not (<= |old(~waterLevel~0)| 1))) (.cse3 (not (= |old(~pumpRunning~0)| 1))) (.cse7 (= 0 ~systemActive~0)) (.cse4 (<= 1 ~switchedOnBeforeTS~0)) (.cse5 (= ~pumpRunning~0 1))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 .cse2)) (or .cse3 (and .cse2 .cse4 .cse5) .cse6 .cse7) (or .cse0 .cse8 .cse6 .cse7) (or .cse9 .cse0 .cse8 .cse7) (or .cse9 .cse3 .cse7 (and (<= ~waterLevel~0 0) (or (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) (< 0 |old(~waterLevel~0)|)) .cse10) .cse4 .cse5) (not (<= 1 |old(~switchedOnBeforeTS~0)|)))))) [2022-11-03 04:05:30,680 INFO L899 garLoopResultBuilder]: For program point L198(lines 198 208) no Hoare annotation was computed. [2022-11-03 04:05:30,680 INFO L899 garLoopResultBuilder]: For program point L194(lines 194 211) no Hoare annotation was computed. [2022-11-03 04:05:30,680 INFO L895 garLoopResultBuilder]: At program point L194-1(lines 186 214) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 1)) (.cse4 (<= 1 ~switchedOnBeforeTS~0)) (.cse6 (not (= |old(~pumpRunning~0)| 1))) (.cse9 (not (<= |old(~waterLevel~0)| 1))) (.cse3 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~1#1| ~waterLevel~0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse11 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 1)) (.cse8 (= 0 ~systemActive~0))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 .cse2)) (or (and .cse3 .cse2 .cse4 .cse5) .cse6 .cse7 .cse8 (and .cse1 .cse3 .cse2 .cse4)) (let ((.cse12 (< 0 |old(~waterLevel~0)|))) (let ((.cse10 (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse12))) (or .cse9 (and .cse3 (<= ~waterLevel~0 0) (or .cse10 .cse11) .cse4 .cse5) (and .cse1 .cse3 (or (and (not .cse12) .cse11) .cse10) .cse4) .cse6 .cse8 (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) (or .cse9 .cse0 (and .cse1 .cse3 .cse11) .cse8) (let ((.cse13 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~1#1| 2))) (or .cse0 (and .cse1 .cse13 .cse11) .cse7 (and .cse13 .cse11 .cse5) .cse8)))) [2022-11-03 04:05:30,681 INFO L895 garLoopResultBuilder]: At program point L54(line 54) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (< |old(~waterLevel~0)| 3))) (.cse3 (not (= |old(~pumpRunning~0)| 1))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (= |old(~waterLevel~0)| 1))) (or .cse3 .cse1 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse2) (or .cse3 (not (= |old(~waterLevel~0)| 2)) .cse1))) [2022-11-03 04:05:30,681 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 205) no Hoare annotation was computed. [2022-11-03 04:05:30,681 INFO L895 garLoopResultBuilder]: At program point L761(line 761) the Hoare annotation is: (let ((.cse4 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 1))) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse1 (= 0 ~systemActive~0)) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse2 .cse3) (not (<= |old(~waterLevel~0)| 0)) .cse4) (or .cse5 .cse1 (not (< |old(~waterLevel~0)| 3))) (or .cse6 (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse2 .cse3) .cse0 .cse1 .cse4) (or .cse0 (and (= ~waterLevel~0 1) .cse2 .cse3) (not (= |old(~waterLevel~0)| 2)) .cse1) (or .cse5 .cse6))) [2022-11-03 04:05:30,681 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 686 712) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse11 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse5 (and .cse11 (= ~pumpRunning~0 1))) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse2 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (and .cse1 .cse11)) (.cse3 (not (= |old(~pumpRunning~0)| 1))) (.cse4 (= 0 ~systemActive~0)) (.cse9 (<= 1 ~switchedOnBeforeTS~0)) (.cse6 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse10 (not (< |old(~waterLevel~0)| 3)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 (= ~waterLevel~0 1))) (or .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse3 .cse7 .cse4 .cse5) (or .cse0 .cse8 .cse7 .cse4) (or .cse0 .cse4 .cse9 .cse6 .cse10) (or .cse2 .cse0 .cse8 .cse4) (or .cse3 .cse4 .cse9 .cse6 .cse10)))) [2022-11-03 04:05:30,683 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 686 712) no Hoare annotation was computed. [2022-11-03 04:05:30,683 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2022-11-03 04:05:30,683 INFO L895 garLoopResultBuilder]: At program point L196(line 196) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 1)) (.cse5 (= ~pumpRunning~0 1)) (.cse4 (<= 1 ~switchedOnBeforeTS~0)) (.cse6 (not (= |old(~pumpRunning~0)| 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~1#1| ~waterLevel~0)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 .cse2)) (or (and .cse3 .cse2 .cse4 .cse5) .cse6 (not (= |old(~waterLevel~0)| 2)) .cse7 (and .cse1 .cse3 .cse2 .cse4)) (let ((.cse10 (< 0 |old(~waterLevel~0)|))) (let ((.cse8 (and (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse10))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse3 (<= ~waterLevel~0 0) (or .cse8 .cse9) .cse4 .cse5) (and .cse1 .cse3 (or (and (not .cse10) .cse9) .cse8) .cse4) .cse6 .cse7 (not (<= 1 |old(~switchedOnBeforeTS~0)|))))) (or .cse0 .cse7 (and .cse1 (<= ~waterLevel~0 1) .cse3 .cse9) (not (< |old(~waterLevel~0)| 3))))) [2022-11-03 04:05:30,683 INFO L899 garLoopResultBuilder]: For program point L196-1(line 196) no Hoare annotation was computed. [2022-11-03 04:05:30,684 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 61 90) no Hoare annotation was computed. [2022-11-03 04:05:30,684 INFO L895 garLoopResultBuilder]: At program point cleanupENTRY(lines 61 90) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1))) [2022-11-03 04:05:30,684 INFO L902 garLoopResultBuilder]: At program point L86(lines 61 90) the Hoare annotation is: true [2022-11-03 04:05:30,684 INFO L899 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2022-11-03 04:05:30,684 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 79) no Hoare annotation was computed. [2022-11-03 04:05:30,684 INFO L895 garLoopResultBuilder]: At program point L75-1(lines 75 79) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1))) [2022-11-03 04:05:30,685 INFO L895 garLoopResultBuilder]: At program point L71-2(lines 71 85) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1))) [2022-11-03 04:05:30,685 INFO L895 garLoopResultBuilder]: At program point L67(line 67) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1))) [2022-11-03 04:05:30,685 INFO L899 garLoopResultBuilder]: For program point L67-1(line 67) no Hoare annotation was computed. [2022-11-03 04:05:30,685 INFO L899 garLoopResultBuilder]: For program point L927(lines 927 933) no Hoare annotation was computed. [2022-11-03 04:05:30,685 INFO L899 garLoopResultBuilder]: For program point L927-1(lines 927 933) no Hoare annotation was computed. [2022-11-03 04:05:30,685 INFO L895 garLoopResultBuilder]: At program point L151(lines 151 158) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-03 04:05:30,686 INFO L902 garLoopResultBuilder]: At program point L151-2(lines 151 158) the Hoare annotation is: true [2022-11-03 04:05:30,686 INFO L895 garLoopResultBuilder]: At program point L965(lines 916 966) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1)) [2022-11-03 04:05:30,686 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-11-03 04:05:30,686 INFO L899 garLoopResultBuilder]: For program point L937(lines 937 943) no Hoare annotation was computed. [2022-11-03 04:05:30,686 INFO L895 garLoopResultBuilder]: At program point L937-1(lines 937 943) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (< ~waterLevel~0 3)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 1))) (or (and (= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3) (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse4 .cse2) (and .cse0 .cse1 (<= 1 ~switchedOnBeforeTS~0) .cse4 .cse2 .cse3))) [2022-11-03 04:05:30,687 INFO L895 garLoopResultBuilder]: At program point L962(lines 917 964) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (< ~waterLevel~0 3)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 1))) (or (and (= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3) (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse4 .cse2) (and .cse0 .cse1 (<= 1 ~switchedOnBeforeTS~0) .cse4 .cse2 .cse3))) [2022-11-03 04:05:30,687 INFO L895 garLoopResultBuilder]: At program point L929(line 929) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (< ~waterLevel~0 3)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 1))) (or (and (= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3) (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse4 .cse2) (and .cse0 .cse1 (<= 1 ~switchedOnBeforeTS~0) .cse4 .cse2 .cse3))) [2022-11-03 04:05:30,687 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-03 04:05:30,687 INFO L895 garLoopResultBuilder]: At program point L955-2(lines 947 960) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (< ~waterLevel~0 3)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 1))) (or (and (= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3) (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse4 .cse2) (and .cse0 .cse1 (<= 1 ~switchedOnBeforeTS~0) .cse4 .cse2 .cse3))) [2022-11-03 04:05:30,687 INFO L899 garLoopResultBuilder]: For program point L918(lines 917 964) no Hoare annotation was computed. [2022-11-03 04:05:30,688 INFO L895 garLoopResultBuilder]: At program point L939(line 939) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (< ~waterLevel~0 3)) (.cse2 (not (= 0 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 1))) (or (and (= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3) (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse4 .cse2) (and .cse0 .cse1 (<= 1 ~switchedOnBeforeTS~0) .cse4 .cse2 .cse3))) [2022-11-03 04:05:30,688 INFO L902 garLoopResultBuilder]: At program point L968(lines 907 972) the Hoare annotation is: true [2022-11-03 04:05:30,688 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 721 745) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 1))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (<= 1 ~switchedOnBeforeTS~0))) (.cse3 (= ~pumpRunning~0 1))) (and (or (not (<= ~waterLevel~0 0)) .cse0 .cse1 .cse2 .cse3) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse1 (not (< ~waterLevel~0 3))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3))) [2022-11-03 04:05:30,688 INFO L895 garLoopResultBuilder]: At program point L735(line 735) the Hoare annotation is: (let ((.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (= ~pumpRunning~0 0)) (.cse0 (not (= |old(~pumpRunning~0)| 1))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (<= 1 ~switchedOnBeforeTS~0)))) (and (or (not (<= ~waterLevel~0 0)) .cse0 .cse1 .cse2) (or .cse3 .cse4 (not (= 2 ~waterLevel~0)) .cse1) (or .cse3 (and .cse4 (= |processEnvironment__wrappee__highWaterSensor_~tmp~5#1| 0)) (not (<= ~waterLevel~0 1)) .cse1) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2022-11-03 04:05:30,688 INFO L895 garLoopResultBuilder]: At program point L729(lines 729 737) the Hoare annotation is: (let ((.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (= ~pumpRunning~0 0)) (.cse0 (not (= |old(~pumpRunning~0)| 1))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (<= 1 ~switchedOnBeforeTS~0)))) (and (or (not (<= ~waterLevel~0 0)) .cse0 .cse1 .cse2) (or .cse3 .cse4 (not (= 2 ~waterLevel~0)) .cse1) (or .cse3 (and .cse4 (= |processEnvironment__wrappee__highWaterSensor_~tmp~5#1| 0)) (not (<= ~waterLevel~0 1)) .cse1) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2022-11-03 04:05:30,689 INFO L895 garLoopResultBuilder]: At program point L725(lines 725 742) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 1))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (<= 1 ~switchedOnBeforeTS~0))) (.cse3 (= ~pumpRunning~0 1))) (and (or (not (<= ~waterLevel~0 0)) .cse0 .cse1 .cse2 .cse3) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse1 (not (< ~waterLevel~0 3))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3))) [2022-11-03 04:05:30,689 INFO L895 garLoopResultBuilder]: At program point L740(line 740) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 1))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (<= 1 ~switchedOnBeforeTS~0))) (.cse3 (= ~pumpRunning~0 1))) (and (or (not (<= ~waterLevel~0 0)) .cse0 .cse1 .cse2 .cse3) (or (not (= |old(~pumpRunning~0)| 0)) .cse1 (not (< ~waterLevel~0 3))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3))) [2022-11-03 04:05:30,689 INFO L899 garLoopResultBuilder]: For program point L740-1(lines 721 745) no Hoare annotation was computed. [2022-11-03 04:05:30,689 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 721 745) no Hoare annotation was computed. [2022-11-03 04:05:30,689 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 600 611) no Hoare annotation was computed. [2022-11-03 04:05:30,690 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 600 611) the Hoare annotation is: (let ((.cse1 (not (= |old(~waterLevel~0)| 2))) (.cse4 (not (= ~pumpRunning~0 0))) (.cse0 (not (= ~pumpRunning~0 1))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or (not (<= |old(~waterLevel~0)| 1)) .cse4 .cse2 .cse3) (or .cse0 .cse2 .cse3 (not (<= 1 ~switchedOnBeforeTS~0)) (not (< |old(~waterLevel~0)| 3))))) [2022-11-03 04:05:30,690 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 799 807) no Hoare annotation was computed. [2022-11-03 04:05:30,690 INFO L902 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 799 807) the Hoare annotation is: true [2022-11-03 04:05:30,693 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:05:30,696 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 04:05:30,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 04:05:30 BoogieIcfgContainer [2022-11-03 04:05:30,724 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 04:05:30,725 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 04:05:30,725 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 04:05:30,725 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 04:05:30,725 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:04:08" (3/4) ... [2022-11-03 04:05:30,728 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-03 04:05:30,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-03 04:05:30,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-03 04:05:30,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-03 04:05:30,734 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-03 04:05:30,735 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-11-03 04:05:30,735 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-03 04:05:30,735 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-11-03 04:05:30,742 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 76 nodes and edges [2022-11-03 04:05:30,743 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-11-03 04:05:30,743 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-03 04:05:30,744 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-03 04:05:30,744 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-03 04:05:30,745 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 04:05:30,745 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 04:05:30,771 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (pumpRunning == 0 && waterLevel == 1) [2022-11-03 04:05:30,771 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 1) || !(\old(waterLevel) == 2)) || 0 == systemActive) || ((1 <= aux-isPumpRunning()-aux && \old(waterLevel) == waterLevel) && pumpRunning == 1)) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (pumpRunning == 0 && waterLevel == 1))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) < 3))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= aux-isPumpRunning()-aux && \old(waterLevel) == waterLevel) && pumpRunning == 1)) [2022-11-03 04:05:30,772 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 1) || ((waterLevel == 1 && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || !(\old(waterLevel) == 2)) || 0 == systemActive) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS)) && ((((((2 == waterLevel && \old(waterLevel) == waterLevel) && pumpRunning == 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) < 3))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (pumpRunning == 0 && waterLevel == 1))) && (((((!(\old(waterLevel) == 1) || !(\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)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(pumpRunning) == 1) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || ((\old(waterLevel) == waterLevel && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS))) [2022-11-03 04:05:30,773 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (pumpRunning == 0 && waterLevel == 1)) && (((((((tmp == waterLevel && waterLevel == 1) && 1 <= switchedOnBeforeTS) && pumpRunning == 1) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) == 2)) || 0 == systemActive) || (((pumpRunning == 0 && tmp == waterLevel) && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && (((((!(\old(waterLevel) <= 1) || ((((tmp == waterLevel && waterLevel <= 0) && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || \old(waterLevel) == waterLevel)) && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || (((pumpRunning == 0 && tmp == waterLevel) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && 1 <= switchedOnBeforeTS)) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || ((pumpRunning == 0 && tmp == waterLevel) && \old(waterLevel) == waterLevel)) || 0 == systemActive)) && ((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && tmp == 2) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) == 2)) || ((tmp == 2 && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || 0 == systemActive) [2022-11-03 04:05:30,773 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (pumpRunning == 0 && waterLevel == 1)) && (((!(\old(pumpRunning) == 1) || ((waterLevel == 1 && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || !(\old(waterLevel) == 2)) || 0 == systemActive)) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) == 2)) || 0 == systemActive)) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || 0 == systemActive)) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || (((waterLevel <= 0 && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || \old(waterLevel) == waterLevel)) && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || !(1 <= \old(switchedOnBeforeTS))) [2022-11-03 04:05:30,773 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) < 3)) && (!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1))) && (((!(\old(pumpRunning) == 1) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) || !(\old(waterLevel) < 3))) && ((!(\old(pumpRunning) == 1) || !(\old(waterLevel) == 2)) || 0 == systemActive) [2022-11-03 04:05:30,773 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 1) || ((waterLevel == 1 && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || !(\old(waterLevel) == 2)) || 0 == systemActive) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS)) && ((((((2 == waterLevel && \old(waterLevel) == waterLevel) && pumpRunning == 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) < 3))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (pumpRunning == 0 && waterLevel == 1))) && (((((!(\old(waterLevel) == 1) || !(\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)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(pumpRunning) == 1) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || ((\old(waterLevel) == waterLevel && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS))) [2022-11-03 04:05:30,774 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(waterLevel <= 0) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) || pumpRunning == 1) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive) || !(waterLevel < 3))) && ((((!(waterLevel == 1) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) || pumpRunning == 1) [2022-11-03 04:05:30,775 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 1) || 0 == systemActive) || ((\old(waterLevel) == waterLevel && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) < 3))) && ((((!(\old(waterLevel) == 1) || ((\old(waterLevel) == waterLevel + 1 && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(pumpRunning) == 1) || ((waterLevel == 1 && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || !(\old(waterLevel) == 2)) || 0 == systemActive)) && (!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) [2022-11-03 04:05:30,775 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(waterLevel <= 0) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(2 == waterLevel)) || 0 == systemActive)) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && tmp == 0)) || !(waterLevel <= 1)) || 0 == systemActive)) && (((!(waterLevel == 1) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) [2022-11-03 04:05:30,818 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a93419-4090-4ade-bb24-c13957aef979/bin/utaipan-7li7fVZpFI/witness.graphml [2022-11-03 04:05:30,820 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 04:05:30,822 INFO L158 Benchmark]: Toolchain (without parser) took 83698.54ms. Allocated memory was 119.5MB in the beginning and 536.9MB in the end (delta: 417.3MB). Free memory was 81.5MB in the beginning and 250.5MB in the end (delta: -169.1MB). Peak memory consumption was 246.8MB. Max. memory is 16.1GB. [2022-11-03 04:05:30,823 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 119.5MB. Free memory is still 98.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 04:05:30,823 INFO L158 Benchmark]: CACSL2BoogieTranslator took 525.33ms. Allocated memory is still 119.5MB. Free memory was 81.3MB in the beginning and 86.2MB in the end (delta: -4.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-03 04:05:30,823 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.93ms. Allocated memory is still 119.5MB. Free memory was 86.2MB in the beginning and 84.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 04:05:30,823 INFO L158 Benchmark]: Boogie Preprocessor took 27.42ms. Allocated memory is still 119.5MB. Free memory was 84.1MB in the beginning and 82.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 04:05:30,824 INFO L158 Benchmark]: RCFGBuilder took 833.51ms. Allocated memory is still 119.5MB. Free memory was 82.0MB in the beginning and 52.6MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-03 04:05:30,824 INFO L158 Benchmark]: TraceAbstraction took 82163.02ms. Allocated memory was 119.5MB in the beginning and 536.9MB in the end (delta: 417.3MB). Free memory was 52.1MB in the beginning and 255.8MB in the end (delta: -203.7MB). Peak memory consumption was 289.2MB. Max. memory is 16.1GB. [2022-11-03 04:05:30,826 INFO L158 Benchmark]: Witness Printer took 97.11ms. Allocated memory is still 536.9MB. Free memory was 255.8MB in the beginning and 250.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-03 04:05:30,828 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 119.5MB. Free memory is still 98.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 525.33ms. Allocated memory is still 119.5MB. Free memory was 81.3MB in the beginning and 86.2MB in the end (delta: -4.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.93ms. Allocated memory is still 119.5MB. Free memory was 86.2MB in the beginning and 84.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.42ms. Allocated memory is still 119.5MB. Free memory was 84.1MB in the beginning and 82.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 833.51ms. Allocated memory is still 119.5MB. Free memory was 82.0MB in the beginning and 52.6MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 82163.02ms. Allocated memory was 119.5MB in the beginning and 536.9MB in the end (delta: 417.3MB). Free memory was 52.1MB in the beginning and 255.8MB in the end (delta: -203.7MB). Peak memory consumption was 289.2MB. Max. memory is 16.1GB. * Witness Printer took 97.11ms. Allocated memory is still 536.9MB. Free memory was 255.8MB in the beginning and 250.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 58 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 82.1s, OverallIterations: 10, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2205 SdHoareTripleChecker+Valid, 3.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2183 mSDsluCounter, 3191 SdHoareTripleChecker+Invalid, 2.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3052 mSDsCounter, 1394 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4246 IncrementalHoareTripleChecker+Invalid, 5640 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1394 mSolverCounterUnsat, 767 mSDtfsCounter, 4246 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 964 GetRequests, 686 SyntacticMatches, 20 SemanticMatches, 258 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6983 ImplicationChecksByTransitivity, 35.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=324occurred in iteration=9, InterpolantAutomatonStates: 139, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 308 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 36 LocationsWithAnnotation, 1418 PreInvPairs, 1641 NumberOfFragments, 2173 HoareAnnotationTreeSize, 1418 FomulaSimplifications, 6473 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 36 FomulaSimplificationsInter, 21268 FormulaSimplificationTreeSizeReductionInter, 5.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 790 NumberOfCodeBlocks, 790 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1001 ConstructedInterpolants, 0 QuantifiedInterpolants, 2932 SizeOfPredicates, 26 NumberOfNonLiveVariables, 1934 ConjunctsInSsa, 60 ConjunctsInUnsatCore, 17 InterpolantComputations, 7 PerfectInterpolantSequences, 506/593 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: 729]: Loop Invariant Derived loop invariant: (((((!(waterLevel <= 0) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(2 == waterLevel)) || 0 == systemActive)) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && tmp == 0)) || !(waterLevel <= 1)) || 0 == systemActive)) && (((!(waterLevel == 1) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) < 3)) && (!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1))) && (((!(\old(pumpRunning) == 1) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) || !(\old(waterLevel) < 3))) && ((!(\old(pumpRunning) == 1) || !(\old(waterLevel) == 2)) || 0 == systemActive) - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: (((((!(waterLevel <= 0) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) || pumpRunning == 1) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive) || !(waterLevel < 3))) && ((((!(waterLevel == 1) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(1 <= switchedOnBeforeTS)) || pumpRunning == 1) - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 1) || ((waterLevel == 1 && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || !(\old(waterLevel) == 2)) || 0 == systemActive) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS)) && ((((((2 == waterLevel && \old(waterLevel) == waterLevel) && pumpRunning == 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) < 3))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (pumpRunning == 0 && waterLevel == 1))) && (((((!(\old(waterLevel) == 1) || !(\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)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(pumpRunning) == 1) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || ((\old(waterLevel) == waterLevel && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: (((((2 == waterLevel && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) && pumpRunning == 1) || ((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && waterLevel < 3) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && 1 <= switchedOnBeforeTS) && waterLevel < 3) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 1) || ((waterLevel == 1 && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || !(\old(waterLevel) == 2)) || 0 == systemActive) || ((pumpRunning == 0 && waterLevel == 1) && 1 <= switchedOnBeforeTS)) && ((((((2 == waterLevel && \old(waterLevel) == waterLevel) && pumpRunning == 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) < 3))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (pumpRunning == 0 && waterLevel == 1))) && (((((!(\old(waterLevel) == 1) || !(\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)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && (((((!(\old(pumpRunning) == 1) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || ((\old(waterLevel) == waterLevel && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 751]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (pumpRunning == 0 && waterLevel == 1)) && (((!(\old(pumpRunning) == 1) || ((waterLevel == 1 && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || !(\old(waterLevel) == 2)) || 0 == systemActive)) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) == 2)) || 0 == systemActive)) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || 0 == systemActive)) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || (((waterLevel <= 0 && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || \old(waterLevel) == waterLevel)) && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || !(1 <= \old(switchedOnBeforeTS))) - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (pumpRunning == 0 && waterLevel == 1) - InvariantResult [Line: 755]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 1) || 0 == systemActive) || ((\old(waterLevel) == waterLevel && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || !(\old(waterLevel) <= 0)) || !(1 <= \old(switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) < 3))) && ((((!(\old(waterLevel) == 1) || ((\old(waterLevel) == waterLevel + 1 && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(pumpRunning) == 1) || ((waterLevel == 1 && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || !(\old(waterLevel) == 2)) || 0 == systemActive)) && (!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 1) || !(\old(waterLevel) == 2)) || 0 == systemActive) || ((1 <= aux-isPumpRunning()-aux && \old(waterLevel) == waterLevel) && pumpRunning == 1)) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (pumpRunning == 0 && waterLevel == 1))) && (((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) < 3))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) || ((1 <= aux-isPumpRunning()-aux && \old(waterLevel) == waterLevel) && pumpRunning == 1)) - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (pumpRunning == 0 && waterLevel == 1)) && (((((((tmp == waterLevel && waterLevel == 1) && 1 <= switchedOnBeforeTS) && pumpRunning == 1) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) == 2)) || 0 == systemActive) || (((pumpRunning == 0 && tmp == waterLevel) && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && (((((!(\old(waterLevel) <= 1) || ((((tmp == waterLevel && waterLevel <= 0) && ((\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)) || \old(waterLevel) == waterLevel)) && 1 <= switchedOnBeforeTS) && pumpRunning == 1)) || (((pumpRunning == 0 && tmp == waterLevel) && ((!(0 < \old(waterLevel)) && \old(waterLevel) == waterLevel) || (\old(waterLevel) == waterLevel + 1 && 0 < \old(waterLevel)))) && 1 <= switchedOnBeforeTS)) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || ((pumpRunning == 0 && tmp == waterLevel) && \old(waterLevel) == waterLevel)) || 0 == systemActive)) && ((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && tmp == 2) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) == 2)) || ((tmp == 2 && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || 0 == systemActive) - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: pumpRunning == 0 && waterLevel == 1 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && tmp == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: (((((2 == waterLevel && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) && pumpRunning == 1) || ((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && waterLevel < 3) && !(0 == systemActive))) || (((((tmp == 1 && splverifierCounter == 0) && 1 <= switchedOnBeforeTS) && waterLevel < 3) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-03 04:05:30,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92a93419-4090-4ade-bb24-c13957aef979/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