./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product38.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34cdfecf-f133-461b-ab33-cf744099359d/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34cdfecf-f133-461b-ab33-cf744099359d/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34cdfecf-f133-461b-ab33-cf744099359d/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34cdfecf-f133-461b-ab33-cf744099359d/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product38.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34cdfecf-f133-461b-ab33-cf744099359d/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34cdfecf-f133-461b-ab33-cf744099359d/bin/utaipan-6cKwYrpEi9 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c8e3613a57f37f194f1fe75086d0eb5e0d997c2a9b69c99903e0a1a10a2db5eb --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 20:20:44,751 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 20:20:44,753 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 20:20:44,771 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 20:20:44,772 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 20:20:44,773 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 20:20:44,774 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 20:20:44,776 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 20:20:44,778 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 20:20:44,779 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 20:20:44,780 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 20:20:44,781 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 20:20:44,781 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 20:20:44,782 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 20:20:44,783 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 20:20:44,785 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 20:20:44,786 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 20:20:44,787 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 20:20:44,789 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 20:20:44,791 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 20:20:44,792 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 20:20:44,794 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 20:20:44,795 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 20:20:44,796 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 20:20:44,799 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 20:20:44,800 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 20:20:44,800 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 20:20:44,801 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 20:20:44,802 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 20:20:44,803 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 20:20:44,804 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 20:20:44,804 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 20:20:44,805 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 20:20:44,806 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 20:20:44,810 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 20:20:44,810 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 20:20:44,811 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 20:20:44,812 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 20:20:44,813 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 20:20:44,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 20:20:44,817 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 20:20:44,818 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34cdfecf-f133-461b-ab33-cf744099359d/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-20 20:20:44,876 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 20:20:44,876 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 20:20:44,877 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 20:20:44,877 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 20:20:44,878 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 20:20:44,878 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 20:20:44,879 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 20:20:44,879 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 20:20:44,879 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 20:20:44,880 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 20:20:44,880 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 20:20:44,880 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 20:20:44,881 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 20:20:44,881 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 20:20:44,881 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 20:20:44,882 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 20:20:44,882 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 20:20:44,882 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 20:20:44,883 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 20:20:44,884 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 20:20:44,884 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 20:20:44,884 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 20:20:44,885 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 20:20:44,885 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 20:20:44,885 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 20:20:44,886 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 20:20:44,886 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 20:20:44,886 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 20:20:44,887 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 20:20:44,887 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 20:20:44,888 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 20:20:44,888 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 20:20:44,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:20:44,889 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 20:20:44,889 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 20:20:44,889 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 20:20:44,890 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 20:20:44,890 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 20:20:44,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 20:20:44,891 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 20:20:44,891 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 20:20:44,891 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_34cdfecf-f133-461b-ab33-cf744099359d/bin/utaipan-6cKwYrpEi9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34cdfecf-f133-461b-ab33-cf744099359d/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8e3613a57f37f194f1fe75086d0eb5e0d997c2a9b69c99903e0a1a10a2db5eb [2022-11-20 20:20:45,153 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 20:20:45,189 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 20:20:45,191 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 20:20:45,193 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 20:20:45,193 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 20:20:45,195 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34cdfecf-f133-461b-ab33-cf744099359d/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/product-lines/minepump_spec3_product38.cil.c [2022-11-20 20:20:48,308 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 20:20:48,637 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 20:20:48,638 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34cdfecf-f133-461b-ab33-cf744099359d/sv-benchmarks/c/product-lines/minepump_spec3_product38.cil.c [2022-11-20 20:20:48,651 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34cdfecf-f133-461b-ab33-cf744099359d/bin/utaipan-6cKwYrpEi9/data/34b95bfb9/59f3f91994ab499995ea51e2328255d3/FLAG2cf30a6ca [2022-11-20 20:20:48,950 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34cdfecf-f133-461b-ab33-cf744099359d/bin/utaipan-6cKwYrpEi9/data/34b95bfb9/59f3f91994ab499995ea51e2328255d3 [2022-11-20 20:20:48,953 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 20:20:48,954 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 20:20:48,958 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 20:20:48,959 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 20:20:48,962 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 20:20:48,963 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:20:48" (1/1) ... [2022-11-20 20:20:48,964 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ae062fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:20:48, skipping insertion in model container [2022-11-20 20:20:48,964 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:20:48" (1/1) ... [2022-11-20 20:20:48,972 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 20:20:49,029 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 20:20:49,293 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34cdfecf-f133-461b-ab33-cf744099359d/sv-benchmarks/c/product-lines/minepump_spec3_product38.cil.c[15422,15435] [2022-11-20 20:20:49,309 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:20:49,321 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 20:20:49,383 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34cdfecf-f133-461b-ab33-cf744099359d/sv-benchmarks/c/product-lines/minepump_spec3_product38.cil.c[15422,15435] [2022-11-20 20:20:49,392 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 20:20:49,412 INFO L208 MainTranslator]: Completed translation [2022-11-20 20:20:49,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:20:49 WrapperNode [2022-11-20 20:20:49,415 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 20:20:49,416 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 20:20:49,416 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 20:20:49,416 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 20:20:49,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:20:49" (1/1) ... [2022-11-20 20:20:49,435 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:20:49" (1/1) ... [2022-11-20 20:20:49,464 INFO L138 Inliner]: procedures = 54, calls = 99, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 198 [2022-11-20 20:20:49,464 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 20:20:49,465 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 20:20:49,465 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 20:20:49,466 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 20:20:49,476 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:20:49" (1/1) ... [2022-11-20 20:20:49,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:20:49" (1/1) ... [2022-11-20 20:20:49,487 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:20:49" (1/1) ... [2022-11-20 20:20:49,487 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:20:49" (1/1) ... [2022-11-20 20:20:49,493 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:20:49" (1/1) ... [2022-11-20 20:20:49,504 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:20:49" (1/1) ... [2022-11-20 20:20:49,519 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:20:49" (1/1) ... [2022-11-20 20:20:49,520 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:20:49" (1/1) ... [2022-11-20 20:20:49,523 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 20:20:49,524 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 20:20:49,524 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 20:20:49,524 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 20:20:49,525 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:20:49" (1/1) ... [2022-11-20 20:20:49,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 20:20:49,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34cdfecf-f133-461b-ab33-cf744099359d/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:20:49,583 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34cdfecf-f133-461b-ab33-cf744099359d/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 20:20:49,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34cdfecf-f133-461b-ab33-cf744099359d/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 20:20:49,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 20:20:49,618 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-20 20:20:49,619 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-20 20:20:49,619 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-20 20:20:49,619 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-20 20:20:49,619 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-20 20:20:49,619 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-20 20:20:49,619 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-20 20:20:49,620 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-20 20:20:49,620 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-11-20 20:20:49,620 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-11-20 20:20:49,620 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-20 20:20:49,620 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-20 20:20:49,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 20:20:49,620 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-20 20:20:49,621 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-20 20:20:49,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 20:20:49,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 20:20:49,705 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 20:20:49,708 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 20:20:50,129 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 20:20:50,225 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 20:20:50,226 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 20:20:50,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:20:50 BoogieIcfgContainer [2022-11-20 20:20:50,229 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 20:20:50,231 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 20:20:50,232 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 20:20:50,235 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 20:20:50,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 08:20:48" (1/3) ... [2022-11-20 20:20:50,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@617ddf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:20:50, skipping insertion in model container [2022-11-20 20:20:50,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:20:49" (2/3) ... [2022-11-20 20:20:50,237 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@617ddf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:20:50, skipping insertion in model container [2022-11-20 20:20:50,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:20:50" (3/3) ... [2022-11-20 20:20:50,238 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product38.cil.c [2022-11-20 20:20:50,259 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 20:20:50,260 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 20:20:50,313 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 20:20:50,321 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;@18fb2ba9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 20:20:50,322 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 20:20:50,326 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) [2022-11-20 20:20:50,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 20:20:50,336 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:20:50,337 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:20:50,338 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:20:50,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:20:50,344 INFO L85 PathProgramCache]: Analyzing trace with hash 513867179, now seen corresponding path program 1 times [2022-11-20 20:20:50,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:20:50,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60555498] [2022-11-20 20:20:50,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:20:50,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:20:50,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:20:50,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:20:50,572 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:20:50,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60555498] [2022-11-20 20:20:50,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60555498] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:20:50,573 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:20:50,573 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 20:20:50,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421652103] [2022-11-20 20:20:50,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:20:50,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 20:20:50,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:20:50,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 20:20:50,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 20:20:50,649 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 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 20:20:50,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:20:50,776 INFO L93 Difference]: Finished difference Result 114 states and 155 transitions. [2022-11-20 20:20:50,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 20:20:50,780 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2022-11-20 20:20:50,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:20:50,797 INFO L225 Difference]: With dead ends: 114 [2022-11-20 20:20:50,798 INFO L226 Difference]: Without dead ends: 53 [2022-11-20 20:20:50,802 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 20:20:50,806 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 20:20:50,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 56 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 20:20:50,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-11-20 20:20:50,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2022-11-20 20:20:50,842 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) [2022-11-20 20:20:50,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 68 transitions. [2022-11-20 20:20:50,845 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 68 transitions. Word has length 17 [2022-11-20 20:20:50,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:20:50,846 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 68 transitions. [2022-11-20 20:20:50,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 20:20:50,846 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions. [2022-11-20 20:20:50,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 20:20:50,848 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:20:50,849 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:20:50,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 20:20:50,849 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:20:50,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:20:50,850 INFO L85 PathProgramCache]: Analyzing trace with hash 1696553187, now seen corresponding path program 1 times [2022-11-20 20:20:50,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:20:50,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942246533] [2022-11-20 20:20:50,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:20:50,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:20:50,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:20:51,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:20:51,002 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:20:51,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942246533] [2022-11-20 20:20:51,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942246533] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:20:51,003 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:20:51,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 20:20:51,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704895395] [2022-11-20 20:20:51,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:20:51,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 20:20:51,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:20:51,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 20:20:51,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:20:51,007 INFO L87 Difference]: Start difference. First operand 53 states and 68 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 20:20:51,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:20:51,052 INFO L93 Difference]: Finished difference Result 83 states and 107 transitions. [2022-11-20 20:20:51,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 20:20:51,053 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2022-11-20 20:20:51,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:20:51,055 INFO L225 Difference]: With dead ends: 83 [2022-11-20 20:20:51,055 INFO L226 Difference]: Without dead ends: 45 [2022-11-20 20:20:51,056 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 20:20:51,057 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 7 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 20:20:51,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 75 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 20:20:51,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-11-20 20:20:51,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2022-11-20 20:20:51,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 36 states have internal predecessors, (39), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-20 20:20:51,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 57 transitions. [2022-11-20 20:20:51,066 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 57 transitions. Word has length 18 [2022-11-20 20:20:51,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:20:51,067 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 57 transitions. [2022-11-20 20:20:51,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 20:20:51,067 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 57 transitions. [2022-11-20 20:20:51,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 20:20:51,068 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:20:51,069 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:20:51,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 20:20:51,069 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:20:51,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:20:51,070 INFO L85 PathProgramCache]: Analyzing trace with hash 1014087882, now seen corresponding path program 1 times [2022-11-20 20:20:51,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:20:51,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610715209] [2022-11-20 20:20:51,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:20:51,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:20:51,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:20:51,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:20:51,299 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:20:51,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610715209] [2022-11-20 20:20:51,299 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610715209] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:20:51,300 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:20:51,300 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 20:20:51,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129635875] [2022-11-20 20:20:51,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:20:51,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 20:20:51,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:20:51,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 20:20:51,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 20:20:51,304 INFO L87 Difference]: Start difference. First operand 45 states and 57 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 20:20:51,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:20:51,425 INFO L93 Difference]: Finished difference Result 88 states and 113 transitions. [2022-11-20 20:20:51,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 20:20:51,426 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2022-11-20 20:20:51,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:20:51,427 INFO L225 Difference]: With dead ends: 88 [2022-11-20 20:20:51,430 INFO L226 Difference]: Without dead ends: 45 [2022-11-20 20:20:51,431 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-20 20:20:51,433 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 47 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 20:20:51,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 53 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 20:20:51,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-11-20 20:20:51,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2022-11-20 20:20:51,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 36 states have internal predecessors, (38), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-20 20:20:51,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 56 transitions. [2022-11-20 20:20:51,458 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 56 transitions. Word has length 20 [2022-11-20 20:20:51,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:20:51,458 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 56 transitions. [2022-11-20 20:20:51,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 20:20:51,459 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 56 transitions. [2022-11-20 20:20:51,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 20:20:51,460 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:20:51,460 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] [2022-11-20 20:20:51,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 20:20:51,463 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:20:51,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:20:51,463 INFO L85 PathProgramCache]: Analyzing trace with hash 2020078189, now seen corresponding path program 1 times [2022-11-20 20:20:51,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:20:51,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627236299] [2022-11-20 20:20:51,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:20:51,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:20:51,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:20:51,746 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 20:20:51,747 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:20:51,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627236299] [2022-11-20 20:20:51,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627236299] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:20:51,748 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:20:51,748 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 20:20:51,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443748865] [2022-11-20 20:20:51,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:20:51,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 20:20:51,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:20:51,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 20:20:51,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-20 20:20:51,750 INFO L87 Difference]: Start difference. First operand 45 states and 56 transitions. Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 20:20:52,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:20:52,145 INFO L93 Difference]: Finished difference Result 230 states and 299 transitions. [2022-11-20 20:20:52,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 20:20:52,146 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2022-11-20 20:20:52,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:20:52,155 INFO L225 Difference]: With dead ends: 230 [2022-11-20 20:20:52,156 INFO L226 Difference]: Without dead ends: 187 [2022-11-20 20:20:52,159 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-20 20:20:52,165 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 159 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 20:20:52,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 311 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 20:20:52,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2022-11-20 20:20:52,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 161. [2022-11-20 20:20:52,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 108 states have (on average 1.2962962962962963) internal successors, (140), 122 states have internal predecessors, (140), 27 states have call successors, (27), 23 states have call predecessors, (27), 25 states have return successors, (36), 26 states have call predecessors, (36), 27 states have call successors, (36) [2022-11-20 20:20:52,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 203 transitions. [2022-11-20 20:20:52,245 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 203 transitions. Word has length 27 [2022-11-20 20:20:52,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:20:52,246 INFO L495 AbstractCegarLoop]: Abstraction has 161 states and 203 transitions. [2022-11-20 20:20:52,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 20:20:52,247 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 203 transitions. [2022-11-20 20:20:52,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 20:20:52,252 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:20:52,252 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:20:52,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 20:20:52,253 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:20:52,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:20:52,254 INFO L85 PathProgramCache]: Analyzing trace with hash 723266650, now seen corresponding path program 1 times [2022-11-20 20:20:52,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:20:52,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399365710] [2022-11-20 20:20:52,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:20:52,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:20:52,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:20:52,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:20:52,454 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:20:52,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399365710] [2022-11-20 20:20:52,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399365710] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:20:52,455 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:20:52,455 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 20:20:52,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445144192] [2022-11-20 20:20:52,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:20:52,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 20:20:52,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:20:52,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 20:20:52,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-20 20:20:52,467 INFO L87 Difference]: Start difference. First operand 161 states and 203 transitions. Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 20:20:52,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:20:52,754 INFO L93 Difference]: Finished difference Result 427 states and 572 transitions. [2022-11-20 20:20:52,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-20 20:20:52,756 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 28 [2022-11-20 20:20:52,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:20:52,769 INFO L225 Difference]: With dead ends: 427 [2022-11-20 20:20:52,769 INFO L226 Difference]: Without dead ends: 314 [2022-11-20 20:20:52,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-11-20 20:20:52,772 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 89 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 20:20:52,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 278 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 20:20:52,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2022-11-20 20:20:52,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 284. [2022-11-20 20:20:52,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 190 states have (on average 1.2263157894736842) internal successors, (233), 208 states have internal predecessors, (233), 48 states have call successors, (48), 44 states have call predecessors, (48), 45 states have return successors, (66), 49 states have call predecessors, (66), 48 states have call successors, (66) [2022-11-20 20:20:52,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 347 transitions. [2022-11-20 20:20:52,855 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 347 transitions. Word has length 28 [2022-11-20 20:20:52,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:20:52,855 INFO L495 AbstractCegarLoop]: Abstraction has 284 states and 347 transitions. [2022-11-20 20:20:52,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 20:20:52,856 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 347 transitions. [2022-11-20 20:20:52,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 20:20:52,862 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:20:52,862 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:20:52,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 20:20:52,862 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:20:52,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:20:52,863 INFO L85 PathProgramCache]: Analyzing trace with hash 1745890425, now seen corresponding path program 1 times [2022-11-20 20:20:52,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:20:52,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261938044] [2022-11-20 20:20:52,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:20:52,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:20:52,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:20:53,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:20:53,010 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:20:53,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261938044] [2022-11-20 20:20:53,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261938044] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:20:53,011 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:20:53,011 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 20:20:53,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368513250] [2022-11-20 20:20:53,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:20:53,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 20:20:53,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:20:53,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 20:20:53,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-20 20:20:53,012 INFO L87 Difference]: Start difference. First operand 284 states and 347 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), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-20 20:20:53,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:20:53,263 INFO L93 Difference]: Finished difference Result 735 states and 913 transitions. [2022-11-20 20:20:53,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 20:20:53,264 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), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 31 [2022-11-20 20:20:53,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:20:53,269 INFO L225 Difference]: With dead ends: 735 [2022-11-20 20:20:53,270 INFO L226 Difference]: Without dead ends: 453 [2022-11-20 20:20:53,271 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-20 20:20:53,272 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 130 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 20:20:53,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 207 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 20:20:53,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2022-11-20 20:20:53,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 382. [2022-11-20 20:20:53,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 256 states have (on average 1.2109375) internal successors, (310), 279 states have internal predecessors, (310), 65 states have call successors, (65), 59 states have call predecessors, (65), 60 states have return successors, (89), 66 states have call predecessors, (89), 65 states have call successors, (89) [2022-11-20 20:20:53,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 464 transitions. [2022-11-20 20:20:53,355 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 464 transitions. Word has length 31 [2022-11-20 20:20:53,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:20:53,356 INFO L495 AbstractCegarLoop]: Abstraction has 382 states and 464 transitions. [2022-11-20 20:20:53,356 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), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-20 20:20:53,357 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 464 transitions. [2022-11-20 20:20:53,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-20 20:20:53,360 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:20:53,360 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:20:53,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 20:20:53,361 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:20:53,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:20:53,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1385309059, now seen corresponding path program 1 times [2022-11-20 20:20:53,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:20:53,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010478130] [2022-11-20 20:20:53,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:20:53,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:20:53,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:20:53,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 20:20:53,672 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:20:53,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010478130] [2022-11-20 20:20:53,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010478130] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:20:53,673 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:20:53,673 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-20 20:20:53,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053054665] [2022-11-20 20:20:53,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:20:53,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 20:20:53,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:20:53,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 20:20:53,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-20 20:20:53,676 INFO L87 Difference]: Start difference. First operand 382 states and 464 transitions. Second operand has 9 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 4 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-20 20:20:54,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:20:54,428 INFO L93 Difference]: Finished difference Result 921 states and 1140 transitions. [2022-11-20 20:20:54,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-20 20:20:54,429 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 4 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 34 [2022-11-20 20:20:54,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:20:54,434 INFO L225 Difference]: With dead ends: 921 [2022-11-20 20:20:54,434 INFO L226 Difference]: Without dead ends: 688 [2022-11-20 20:20:54,436 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2022-11-20 20:20:54,440 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 302 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 20:20:54,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 225 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 20:20:54,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2022-11-20 20:20:54,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 666. [2022-11-20 20:20:54,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 666 states, 453 states have (on average 1.2229580573951435) internal successors, (554), 491 states have internal predecessors, (554), 112 states have call successors, (112), 95 states have call predecessors, (112), 100 states have return successors, (156), 111 states have call predecessors, (156), 112 states have call successors, (156) [2022-11-20 20:20:54,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 822 transitions. [2022-11-20 20:20:54,565 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 822 transitions. Word has length 34 [2022-11-20 20:20:54,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:20:54,565 INFO L495 AbstractCegarLoop]: Abstraction has 666 states and 822 transitions. [2022-11-20 20:20:54,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 4 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-20 20:20:54,566 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 822 transitions. [2022-11-20 20:20:54,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-20 20:20:54,568 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:20:54,568 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2022-11-20 20:20:54,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 20:20:54,569 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:20:54,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:20:54,569 INFO L85 PathProgramCache]: Analyzing trace with hash 1157541894, now seen corresponding path program 1 times [2022-11-20 20:20:54,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:20:54,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530475900] [2022-11-20 20:20:54,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:20:54,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:20:54,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:20:54,675 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 20:20:54,675 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:20:54,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530475900] [2022-11-20 20:20:54,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530475900] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 20:20:54,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2058439619] [2022-11-20 20:20:54,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:20:54,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:20:54,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34cdfecf-f133-461b-ab33-cf744099359d/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:20:54,686 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34cdfecf-f133-461b-ab33-cf744099359d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:20:54,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34cdfecf-f133-461b-ab33-cf744099359d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 20:20:54,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:20:54,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-20 20:20:54,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:20:55,256 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 20:20:55,257 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 20:20:55,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2058439619] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:20:55,257 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 20:20:55,257 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [7] total 14 [2022-11-20 20:20:55,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440803361] [2022-11-20 20:20:55,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:20:55,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 20:20:55,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:20:55,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 20:20:55,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-11-20 20:20:55,259 INFO L87 Difference]: Start difference. First operand 666 states and 822 transitions. Second operand has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 4 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (6), 2 states have call predecessors, (6), 4 states have call successors, (6) [2022-11-20 20:20:55,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:20:55,907 INFO L93 Difference]: Finished difference Result 1050 states and 1303 transitions. [2022-11-20 20:20:55,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-20 20:20:55,908 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 4 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (6), 2 states have call predecessors, (6), 4 states have call successors, (6) Word has length 55 [2022-11-20 20:20:55,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:20:55,911 INFO L225 Difference]: With dead ends: 1050 [2022-11-20 20:20:55,912 INFO L226 Difference]: Without dead ends: 540 [2022-11-20 20:20:55,913 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2022-11-20 20:20:55,915 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 155 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 20:20:55,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 202 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 20:20:55,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2022-11-20 20:20:56,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 503. [2022-11-20 20:20:56,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 503 states, 342 states have (on average 1.2222222222222223) internal successors, (418), 370 states have internal predecessors, (418), 84 states have call successors, (84), 71 states have call predecessors, (84), 76 states have return successors, (114), 83 states have call predecessors, (114), 84 states have call successors, (114) [2022-11-20 20:20:56,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 616 transitions. [2022-11-20 20:20:56,042 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 616 transitions. Word has length 55 [2022-11-20 20:20:56,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:20:56,042 INFO L495 AbstractCegarLoop]: Abstraction has 503 states and 616 transitions. [2022-11-20 20:20:56,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 4 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (6), 2 states have call predecessors, (6), 4 states have call successors, (6) [2022-11-20 20:20:56,043 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 616 transitions. [2022-11-20 20:20:56,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-20 20:20:56,045 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:20:56,045 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2022-11-20 20:20:56,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34cdfecf-f133-461b-ab33-cf744099359d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-20 20:20:56,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34cdfecf-f133-461b-ab33-cf744099359d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-20 20:20:56,254 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:20:56,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:20:56,255 INFO L85 PathProgramCache]: Analyzing trace with hash 1858040180, now seen corresponding path program 2 times [2022-11-20 20:20:56,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:20:56,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891590923] [2022-11-20 20:20:56,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:20:56,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:20:56,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:20:56,392 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 20:20:56,393 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:20:56,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891590923] [2022-11-20 20:20:56,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891590923] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 20:20:56,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1410909420] [2022-11-20 20:20:56,393 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-20 20:20:56,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:20:56,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34cdfecf-f133-461b-ab33-cf744099359d/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:20:56,395 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34cdfecf-f133-461b-ab33-cf744099359d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:20:56,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34cdfecf-f133-461b-ab33-cf744099359d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 20:20:56,500 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-20 20:20:56,500 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 20:20:56,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-20 20:20:56,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:20:56,887 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 20:20:56,888 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 20:20:57,316 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-20 20:20:57,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1410909420] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 20:20:57,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1414426994] [2022-11-20 20:20:57,337 INFO L159 IcfgInterpreter]: Started Sifa with 37 locations of interest [2022-11-20 20:20:57,337 INFO L166 IcfgInterpreter]: Building call graph [2022-11-20 20:20:57,340 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-20 20:20:57,346 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-20 20:20:57,346 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-20 20:21:01,567 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 114 for LOIs [2022-11-20 20:21:01,586 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 119 for LOIs [2022-11-20 20:21:02,340 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 119 for LOIs [2022-11-20 20:21:02,487 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 112 for LOIs [2022-11-20 20:21:02,496 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-20 20:21:14,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1414426994] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:21:14,286 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-20 20:21:14,286 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [7, 9, 8] total 38 [2022-11-20 20:21:14,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26493134] [2022-11-20 20:21:14,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:21:14,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-11-20 20:21:14,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:21:14,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-11-20 20:21:14,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=225, Invalid=1181, Unknown=0, NotChecked=0, Total=1406 [2022-11-20 20:21:14,291 INFO L87 Difference]: Start difference. First operand 503 states and 616 transitions. Second operand has 23 states, 19 states have (on average 1.5789473684210527) internal successors, (30), 19 states have internal predecessors, (30), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-20 20:21:20,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:21:20,975 INFO L93 Difference]: Finished difference Result 1074 states and 1322 transitions. [2022-11-20 20:21:20,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-20 20:21:20,975 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 19 states have (on average 1.5789473684210527) internal successors, (30), 19 states have internal predecessors, (30), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 55 [2022-11-20 20:21:20,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:21:20,979 INFO L225 Difference]: With dead ends: 1074 [2022-11-20 20:21:20,979 INFO L226 Difference]: Without dead ends: 636 [2022-11-20 20:21:20,982 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 119 SyntacticMatches, 15 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 817 ImplicationChecksByTransitivity, 16.5s TimeCoverageRelationStatistics Valid=359, Invalid=1803, Unknown=0, NotChecked=0, Total=2162 [2022-11-20 20:21:20,982 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 110 mSDsluCounter, 399 mSDsCounter, 0 mSdLazyCounter, 1056 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 1106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 1056 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-20 20:21:20,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 451 Invalid, 1106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 1056 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-20 20:21:20,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2022-11-20 20:21:21,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 597. [2022-11-20 20:21:21,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 408 states have (on average 1.2107843137254901) internal successors, (494), 438 states have internal predecessors, (494), 97 states have call successors, (97), 84 states have call predecessors, (97), 91 states have return successors, (129), 95 states have call predecessors, (129), 97 states have call successors, (129) [2022-11-20 20:21:21,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 720 transitions. [2022-11-20 20:21:21,108 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 720 transitions. Word has length 55 [2022-11-20 20:21:21,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:21:21,108 INFO L495 AbstractCegarLoop]: Abstraction has 597 states and 720 transitions. [2022-11-20 20:21:21,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 19 states have (on average 1.5789473684210527) internal successors, (30), 19 states have internal predecessors, (30), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-20 20:21:21,109 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 720 transitions. [2022-11-20 20:21:21,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-20 20:21:21,110 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:21:21,111 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:21:21,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34cdfecf-f133-461b-ab33-cf744099359d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-20 20:21:21,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34cdfecf-f133-461b-ab33-cf744099359d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-20 20:21:21,317 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:21:21,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:21:21,318 INFO L85 PathProgramCache]: Analyzing trace with hash -487760254, now seen corresponding path program 1 times [2022-11-20 20:21:21,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:21:21,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955514502] [2022-11-20 20:21:21,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:21:21,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:21:21,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:21:21,655 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 20:21:21,655 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:21:21,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955514502] [2022-11-20 20:21:21,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955514502] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:21:21,656 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 20:21:21,656 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-20 20:21:21,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186856968] [2022-11-20 20:21:21,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:21:21,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-20 20:21:21,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:21:21,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-20 20:21:21,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-11-20 20:21:21,657 INFO L87 Difference]: Start difference. First operand 597 states and 720 transitions. Second operand has 10 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 4 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2022-11-20 20:21:22,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:21:22,496 INFO L93 Difference]: Finished difference Result 1312 states and 1623 transitions. [2022-11-20 20:21:22,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-20 20:21:22,496 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 4 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) Word has length 56 [2022-11-20 20:21:22,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:21:22,507 INFO L225 Difference]: With dead ends: 1312 [2022-11-20 20:21:22,507 INFO L226 Difference]: Without dead ends: 870 [2022-11-20 20:21:22,509 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=131, Invalid=375, Unknown=0, NotChecked=0, Total=506 [2022-11-20 20:21:22,509 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 252 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 20:21:22,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 195 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 454 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 20:21:22,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 870 states. [2022-11-20 20:21:22,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 870 to 846. [2022-11-20 20:21:22,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 846 states, 577 states have (on average 1.2027729636048528) internal successors, (694), 624 states have internal predecessors, (694), 140 states have call successors, (140), 109 states have call predecessors, (140), 128 states have return successors, (204), 140 states have call predecessors, (204), 140 states have call successors, (204) [2022-11-20 20:21:22,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 846 states and 1038 transitions. [2022-11-20 20:21:22,680 INFO L78 Accepts]: Start accepts. Automaton has 846 states and 1038 transitions. Word has length 56 [2022-11-20 20:21:22,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:21:22,681 INFO L495 AbstractCegarLoop]: Abstraction has 846 states and 1038 transitions. [2022-11-20 20:21:22,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 4 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2022-11-20 20:21:22,681 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1038 transitions. [2022-11-20 20:21:22,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-20 20:21:22,684 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:21:22,684 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:21:22,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-20 20:21:22,684 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:21:22,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:21:22,685 INFO L85 PathProgramCache]: Analyzing trace with hash 1588420298, now seen corresponding path program 1 times [2022-11-20 20:21:22,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:21:22,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515731367] [2022-11-20 20:21:22,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:21:22,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:21:22,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:21:22,871 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 20:21:22,872 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:21:22,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515731367] [2022-11-20 20:21:22,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515731367] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 20:21:22,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2130874145] [2022-11-20 20:21:22,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:21:22,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:21:22,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34cdfecf-f133-461b-ab33-cf744099359d/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:21:22,874 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34cdfecf-f133-461b-ab33-cf744099359d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:21:22,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34cdfecf-f133-461b-ab33-cf744099359d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-20 20:21:22,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:21:22,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 25 conjunts are in the unsatisfiable core [2022-11-20 20:21:22,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:21:23,054 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-20 20:21:23,054 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 20:21:23,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2130874145] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:21:23,055 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 20:21:23,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 13 [2022-11-20 20:21:23,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263353857] [2022-11-20 20:21:23,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:21:23,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 20:21:23,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:21:23,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 20:21:23,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2022-11-20 20:21:23,057 INFO L87 Difference]: Start difference. First operand 846 states and 1038 transitions. Second operand has 9 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-20 20:21:23,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:21:23,565 INFO L93 Difference]: Finished difference Result 1693 states and 2160 transitions. [2022-11-20 20:21:23,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-20 20:21:23,566 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 58 [2022-11-20 20:21:23,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:21:23,574 INFO L225 Difference]: With dead ends: 1693 [2022-11-20 20:21:23,574 INFO L226 Difference]: Without dead ends: 1102 [2022-11-20 20:21:23,579 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=319, Unknown=0, NotChecked=0, Total=380 [2022-11-20 20:21:23,580 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 57 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 20:21:23,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 421 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 20:21:23,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1102 states. [2022-11-20 20:21:23,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1102 to 1037. [2022-11-20 20:21:23,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1037 states, 707 states have (on average 1.181046676096181) internal successors, (835), 757 states have internal predecessors, (835), 172 states have call successors, (172), 139 states have call predecessors, (172), 157 states have return successors, (255), 170 states have call predecessors, (255), 172 states have call successors, (255) [2022-11-20 20:21:23,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 1037 states and 1262 transitions. [2022-11-20 20:21:23,769 INFO L78 Accepts]: Start accepts. Automaton has 1037 states and 1262 transitions. Word has length 58 [2022-11-20 20:21:23,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:21:23,770 INFO L495 AbstractCegarLoop]: Abstraction has 1037 states and 1262 transitions. [2022-11-20 20:21:23,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 2 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-20 20:21:23,770 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 1262 transitions. [2022-11-20 20:21:23,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-20 20:21:23,772 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 20:21:23,773 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:21:23,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34cdfecf-f133-461b-ab33-cf744099359d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-20 20:21:23,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34cdfecf-f133-461b-ab33-cf744099359d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-20 20:21:23,979 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 20:21:23,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 20:21:23,980 INFO L85 PathProgramCache]: Analyzing trace with hash 198193555, now seen corresponding path program 1 times [2022-11-20 20:21:23,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-20 20:21:23,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49215758] [2022-11-20 20:21:23,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:21:23,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 20:21:23,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:21:24,071 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 20:21:24,071 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-20 20:21:24,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49215758] [2022-11-20 20:21:24,071 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49215758] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 20:21:24,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [868706602] [2022-11-20 20:21:24,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 20:21:24,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 20:21:24,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34cdfecf-f133-461b-ab33-cf744099359d/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 20:21:24,073 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34cdfecf-f133-461b-ab33-cf744099359d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 20:21:24,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34cdfecf-f133-461b-ab33-cf744099359d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-20 20:21:24,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 20:21:24,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-20 20:21:24,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 20:21:24,308 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-20 20:21:24,308 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 20:21:24,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [868706602] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 20:21:24,308 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 20:21:24,308 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2022-11-20 20:21:24,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692806584] [2022-11-20 20:21:24,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 20:21:24,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 20:21:24,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-20 20:21:24,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 20:21:24,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-11-20 20:21:24,310 INFO L87 Difference]: Start difference. First operand 1037 states and 1262 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-20 20:21:24,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 20:21:24,690 INFO L93 Difference]: Finished difference Result 1836 states and 2256 transitions. [2022-11-20 20:21:24,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 20:21:24,691 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 62 [2022-11-20 20:21:24,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 20:21:24,692 INFO L225 Difference]: With dead ends: 1836 [2022-11-20 20:21:24,692 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 20:21:24,696 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2022-11-20 20:21:24,697 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 43 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 20:21:24,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 176 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 20:21:24,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 20:21:24,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 20:21:24,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 20:21:24,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 20:21:24,698 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 62 [2022-11-20 20:21:24,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 20:21:24,699 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 20:21:24,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-20 20:21:24,699 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 20:21:24,699 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 20:21:24,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 20:21:24,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34cdfecf-f133-461b-ab33-cf744099359d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-20 20:21:24,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34cdfecf-f133-461b-ab33-cf744099359d/bin/utaipan-6cKwYrpEi9/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-20 20:21:24,910 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 20:21:52,765 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 196 202) no Hoare annotation was computed. [2022-11-20 20:21:52,766 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 196 202) the Hoare annotation is: true [2022-11-20 20:21:52,767 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 853 864) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| 0)) (.cse1 (= ~methaneLevelCritical~0 0))) (and (or .cse0 (not (= ~waterLevel~0 0)) (not .cse1) (= 0 ~systemActive~0)) (let ((.cse2 (select |#memory_int| 1))) (or (not (= (select |#length| 12) 25)) (not (= (select .cse2 0) 48)) (not (= |#NULL.offset| 0)) (not (= 9 (select |#length| 11))) (not .cse0) (not (= 9 (select |#length| 5))) (not (= 30 (select |#length| 7))) (not (= ~pumpRunning~0 0)) (not (= 31 (select |#length| 2))) (not (= (select |#valid| 12) 1)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 14))) .cse1 (not (= 1 ~systemActive~0)) (not (= (select |#length| 15) 25)) (not (= (select |#valid| 6) 1)) (not (< 0 |#StackHeapBarrier|)) (not (= (select |#valid| 3) 1)) (not (= ~head~0.offset 0)) (not (<= 2 ~waterLevel~0)) (not (= (select |#valid| 11) 1)) (not (= (select |#length| 9) 21)) (not (= 30 (select |#length| 10))) (not (= (select |#valid| 15) 1)) (not (= (select |#length| 6) 21)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 8) 9)) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) (not (= (select .cse2 1) 0)) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 8) 1)) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) (not (<= ~waterLevel~0 2)) (not (= |#NULL.base| 0)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select |#valid| 14) 1)) (not (= (select |#valid| 13) 1)) (not (= 30 (select |#length| 4))) (not (= (select |#valid| 2) 1)) (not (= (select |#valid| 9) 1)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4)))))) [2022-11-20 20:21:52,767 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 853 864) no Hoare annotation was computed. [2022-11-20 20:21:52,767 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 865 873) the Hoare annotation is: true [2022-11-20 20:21:52,768 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 865 873) no Hoare annotation was computed. [2022-11-20 20:21:52,768 INFO L902 garLoopResultBuilder]: At program point L737(line 737) the Hoare annotation is: true [2022-11-20 20:21:52,768 INFO L899 garLoopResultBuilder]: For program point L737-1(line 737) no Hoare annotation was computed. [2022-11-20 20:21:52,768 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 731 760) no Hoare annotation was computed. [2022-11-20 20:21:52,768 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 731 760) the Hoare annotation is: true [2022-11-20 20:21:52,768 INFO L902 garLoopResultBuilder]: At program point L756(lines 731 760) the Hoare annotation is: true [2022-11-20 20:21:52,769 INFO L899 garLoopResultBuilder]: For program point L752(line 752) no Hoare annotation was computed. [2022-11-20 20:21:52,769 INFO L899 garLoopResultBuilder]: For program point L745(lines 745 749) no Hoare annotation was computed. [2022-11-20 20:21:52,769 INFO L902 garLoopResultBuilder]: At program point L745-1(lines 745 749) the Hoare annotation is: true [2022-11-20 20:21:52,769 INFO L902 garLoopResultBuilder]: At program point L741-2(lines 741 755) the Hoare annotation is: true [2022-11-20 20:21:52,769 INFO L895 garLoopResultBuilder]: At program point L725(line 725) the Hoare annotation is: (= 0 ~systemActive~0) [2022-11-20 20:21:52,769 INFO L899 garLoopResultBuilder]: For program point L176-1(lines 175 194) no Hoare annotation was computed. [2022-11-20 20:21:52,770 INFO L895 garLoopResultBuilder]: At program point L238(lines 238 246) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= |old(~waterLevel~0)| 1))) (.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 1)) .cse0 (= ~pumpRunning~0 1)) (or .cse0 (= ~waterLevel~0 1) (not (<= |old(~waterLevel~0)| 2)) (not (<= 2 |old(~waterLevel~0)|))) (or (and (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (and (not (< 0 ~waterLevel~0)) (<= ~waterLevel~0 |old(~waterLevel~0)|))) (= |timeShift_processEnvironment_~tmp~2#1| ~methaneLevelCritical~0) (not (= ~pumpRunning~0 0))) .cse0) (or (and (or (and .cse1 (not (= |old(~waterLevel~0)| 0))) .cse0) (or .cse2 .cse0)) (= ~waterLevel~0 0)) (or .cse1 .cse2 .cse0))) [2022-11-20 20:21:52,770 INFO L899 garLoopResultBuilder]: For program point L940(lines 940 946) no Hoare annotation was computed. [2022-11-20 20:21:52,770 INFO L899 garLoopResultBuilder]: For program point L234(lines 234 251) no Hoare annotation was computed. [2022-11-20 20:21:52,771 INFO L895 garLoopResultBuilder]: At program point L936(lines 936 949) the Hoare annotation is: (let ((.cse6 (= |old(~pumpRunning~0)| 0))) (let ((.cse10 (not .cse6)) (.cse11 (not (= |old(~waterLevel~0)| 1))) (.cse0 (= 0 ~systemActive~0)) (.cse12 (= ~pumpRunning~0 0))) (let ((.cse3 (= ~waterLevel~0 1)) (.cse7 (= |timeShift_processEnvironment_~tmp~2#1| ~methaneLevelCritical~0)) (.cse8 (not .cse12)) (.cse9 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse15 (and (or (and .cse10 (not (= |old(~waterLevel~0)| 0))) .cse0) (or .cse11 .cse0))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (not (= |old(~pumpRunning~0)| 1)) .cse0 .cse1) (or (= ~methaneLevelCritical~0 0) .cse0) (or .cse2 .cse0 .cse3 .cse4 .cse5) (or .cse6 (and .cse7 .cse8 .cse9) .cse0) (or .cse10 .cse11 .cse0 .cse3) (let ((.cse13 (= ~waterLevel~0 0)) (.cse14 (= ~waterLevel~0 |timeShift___utac_acc__Specification3_spec__1_~tmp___0~2#1|))) (or (and (<= ~waterLevel~0 1) (or .cse12 .cse13) .cse2 .cse14) (and .cse7 .cse8 (<= |timeShift___utac_acc__Specification3_spec__1_~tmp___0~2#1| 0) .cse9 .cse13) (and (<= 2 ~waterLevel~0) .cse2 .cse14 .cse1) .cse15)) (let ((.cse16 (select |#memory_int| 1))) (or (not (= (select |#length| 12) 25)) (not (= (select .cse16 0) 48)) (not (= |#NULL.offset| 0)) (not (= 9 (select |#length| 11))) (not (= 9 (select |#length| 5))) (not (= 30 (select |#length| 7))) (not (= 31 (select |#length| 2))) (not (= (select |#valid| 12) 1)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 14))) (not (= 1 ~systemActive~0)) (not (= (select |#length| 15) 25)) (not (= (select |#valid| 6) 1)) (not (< 0 |#StackHeapBarrier|)) (not (= (select |#valid| 3) 1)) (not (= ~head~0.offset 0)) (not (= (select |#valid| 11) 1)) (not (= (select |#length| 9) 21)) .cse15 (not (= 30 (select |#length| 10))) (not (= (select |#valid| 15) 1)) (not (= (select |#length| 6) 21)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 8) 9)) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) (not (= (select .cse16 1) 0)) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 8) 1)) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) (not (= |#NULL.base| 0)) (and (= |timeShift_getWaterLevel_~retValue_acc~10#1| ~waterLevel~0) (= ~methaneLevelCritical~0 |timeShift___utac_acc__Specification3_spec__1_~tmp~8#1|) (= |timeShift_getWaterLevel_~retValue_acc~10#1| |timeShift_getWaterLevel_#res#1|)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select |#valid| 14) 1)) (not (= (select |#valid| 13) 1)) .cse4 (not (= 30 (select |#length| 4))) (not (= (select |#valid| 2) 1)) (not (= (select |#valid| 9) 1)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4)) .cse5)))))) [2022-11-20 20:21:52,773 INFO L895 garLoopResultBuilder]: At program point L936-1(lines 921 953) the Hoare annotation is: (let ((.cse4 (= 0 ~systemActive~0)) (.cse19 (= ~methaneLevelCritical~0 0)) (.cse3 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (= |old(~pumpRunning~0)| 0)) (.cse25 (= ~pumpRunning~0 0)) (.cse14 (= ~waterLevel~0 0))) (let ((.cse15 (or .cse25 .cse14)) (.cse21 (not .cse0)) (.cse22 (not (= |old(~waterLevel~0)| 1))) (.cse24 (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (and (not (< 0 ~waterLevel~0)) .cse3) (and .cse25 .cse3))) (.cse1 (= |timeShift_processEnvironment_~tmp~2#1| ~methaneLevelCritical~0)) (.cse11 (not .cse19)) (.cse23 (not (= |timeShift___utac_acc__Specification3_spec__1_~tmp~8#1| 0))) (.cse7 (not .cse4))) (let ((.cse2 (not .cse25)) (.cse6 (not (= |old(~pumpRunning~0)| 1))) (.cse18 (and .cse24 .cse1 .cse11 .cse14 .cse23 .cse7)) (.cse20 (= ~waterLevel~0 1)) (.cse10 (and (or (and .cse21 (not (= |old(~waterLevel~0)| 0))) .cse4) (or .cse22 .cse4))) (.cse12 (not (<= |old(~waterLevel~0)| 2))) (.cse13 (not (<= 2 |old(~waterLevel~0)|))) (.cse17 (<= 2 ~waterLevel~0)) (.cse16 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (= ~pumpRunning~0 1)) (.cse5 (and .cse24 .cse1 .cse11 .cse15 .cse23 .cse7))) (and (or .cse0 (and .cse1 .cse2 .cse3) .cse4 .cse5) (or .cse6 .cse4 .cse5 (and .cse7 .cse8)) (let ((.cse9 (select |#memory_int| 1))) (or (not (= (select |#length| 12) 25)) (not (= (select .cse9 0) 48)) (not (= |#NULL.offset| 0)) (not (= 9 (select |#length| 11))) (not (= 9 (select |#length| 5))) (not (= 30 (select |#length| 7))) (not (= 31 (select |#length| 2))) (not (= (select |#valid| 12) 1)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 14))) (not (= 1 ~systemActive~0)) (not (= (select |#length| 15) 25)) (not (= (select |#valid| 6) 1)) (not (< 0 |#StackHeapBarrier|)) (not (= (select |#valid| 3) 1)) (not (= ~head~0.offset 0)) (not (= (select |#valid| 11) 1)) (not (= (select |#length| 9) 21)) .cse10 (not (= 30 (select |#length| 10))) (not (= (select |#valid| 15) 1)) (not (= (select |#length| 6) 21)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 8) 9)) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) .cse11 (not (= (select .cse9 1) 0)) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 8) 1)) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) (not (= |#NULL.base| 0)) (and (= |timeShift_getWaterLevel_~retValue_acc~10#1| ~waterLevel~0) (= ~methaneLevelCritical~0 |timeShift___utac_acc__Specification3_spec__1_~tmp~8#1|) (= |timeShift_getWaterLevel_~retValue_acc~10#1| |timeShift_getWaterLevel_#res#1|)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select |#valid| 14) 1)) (not (= (select |#valid| 13) 1)) .cse12 (not (= 30 (select |#length| 4))) (not (= (select |#valid| 2) 1)) (not (= (select |#valid| 9) 1)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4)) .cse13)) (or (and .cse1 .cse2 .cse3 .cse14 .cse7) (and .cse15 .cse16 (< ~waterLevel~0 2) .cse7) .cse10 (and .cse17 .cse16 .cse7 .cse8) .cse18) (or .cse19 .cse6 .cse4 .cse5) (or .cse16 .cse4 .cse20 .cse12 .cse13) (or .cse19 .cse10 .cse0 .cse18) (or .cse21 .cse22 .cse4 .cse20) (or .cse10 (= ~waterLevel~0 |timeShift___utac_acc__Specification3_spec__1_~tmp___0~2#1|) .cse12 .cse23 .cse13) (or .cse19 (and .cse15 .cse16 .cse23 .cse7) (and .cse17 .cse16 .cse23 .cse7 .cse8) .cse4 .cse5))))) [2022-11-20 20:21:52,773 INFO L895 garLoopResultBuilder]: At program point L928(line 928) the Hoare annotation is: (let ((.cse4 (= 0 ~systemActive~0)) (.cse18 (= ~pumpRunning~0 0)) (.cse13 (= ~waterLevel~0 0)) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse14 (= |old(~pumpRunning~0)| 0))) (let ((.cse12 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse16 (not .cse14)) (.cse17 (not (= |old(~waterLevel~0)| 1))) (.cse10 (= |timeShift_processEnvironment_~tmp~2#1| ~methaneLevelCritical~0)) (.cse19 (not .cse0)) (.cse15 (= ~pumpRunning~0 1)) (.cse20 (or .cse18 .cse13)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse21 (not .cse4))) (let ((.cse2 (and (<= ~waterLevel~0 1) .cse20 .cse6 .cse21)) (.cse3 (and (<= 2 ~waterLevel~0) .cse6 .cse15)) (.cse8 (and .cse10 .cse19 .cse13 .cse21)) (.cse9 (and (or (and .cse16 (not (= |old(~waterLevel~0)| 0))) .cse4) (or .cse17 .cse4))) (.cse5 (not (= |old(~pumpRunning~0)| 1))) (.cse7 (= ~waterLevel~0 1)) (.cse1 (and .cse10 .cse19 .cse20 .cse12 .cse21)) (.cse11 (not .cse18))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse4) (or .cse6 .cse4 .cse7 (not (<= |old(~waterLevel~0)| 2)) (not (<= 2 |old(~waterLevel~0)|))) (or .cse8 .cse2 .cse9 .cse3 (and .cse10 .cse11 .cse12 .cse13)) (or .cse0 .cse8 .cse9 .cse14) (or .cse1 .cse5 .cse4 .cse15) (or .cse16 .cse17 .cse4 .cse7) (or .cse1 .cse14 (and .cse10 .cse11 .cse12) .cse4))))) [2022-11-20 20:21:52,774 INFO L899 garLoopResultBuilder]: For program point L928-1(line 928) no Hoare annotation was computed. [2022-11-20 20:21:52,774 INFO L895 garLoopResultBuilder]: At program point L276(line 276) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= |old(~waterLevel~0)| 1))) (.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 1)) .cse0 (= ~pumpRunning~0 1)) (or (and (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (and (not (< 0 ~waterLevel~0)) (<= ~waterLevel~0 |old(~waterLevel~0)|))) (not (= ~pumpRunning~0 0))) .cse0) (or .cse0 (= ~waterLevel~0 1) (not (<= |old(~waterLevel~0)| 2)) (not (<= 2 |old(~waterLevel~0)|))) (or (and (or (and .cse1 (not (= |old(~waterLevel~0)| 0))) .cse0) (or .cse2 .cse0)) (= ~waterLevel~0 0)) (or .cse1 .cse2 .cse0))) [2022-11-20 20:21:52,774 INFO L895 garLoopResultBuilder]: At program point L276-1(line 276) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= |old(~waterLevel~0)| 1))) (.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 1)) .cse0 (= ~pumpRunning~0 1)) (or .cse0 (= ~waterLevel~0 1) (not (<= |old(~waterLevel~0)| 2)) (not (<= 2 |old(~waterLevel~0)|))) (or (and (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (and (not (< 0 ~waterLevel~0)) (<= ~waterLevel~0 |old(~waterLevel~0)|))) (not (= ~pumpRunning~0 0)) (= |timeShift_isMethaneAlarm_#t~ret11#1| ~methaneLevelCritical~0)) .cse0) (or (and (or (and .cse1 (not (= |old(~waterLevel~0)| 0))) .cse0) (or .cse2 .cse0)) (= ~waterLevel~0 0)) (or .cse1 .cse2 .cse0))) [2022-11-20 20:21:52,775 INFO L895 garLoopResultBuilder]: At program point L244(line 244) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= |old(~waterLevel~0)| 1))) (.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 1)) .cse0 (= ~pumpRunning~0 1)) (or (= ~methaneLevelCritical~0 0) .cse0) (or .cse0 (= ~waterLevel~0 1) (not (<= |old(~waterLevel~0)| 2)) (not (<= 2 |old(~waterLevel~0)|))) (or (and (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (and (not (< 0 ~waterLevel~0)) (<= ~waterLevel~0 |old(~waterLevel~0)|))) (= |timeShift_processEnvironment_~tmp~2#1| ~methaneLevelCritical~0) (not (= ~pumpRunning~0 0))) .cse0) (or (and (or (and .cse1 (not (= |old(~waterLevel~0)| 0))) .cse0) (or .cse2 .cse0)) (= ~waterLevel~0 0)) (or .cse1 .cse2 .cse0))) [2022-11-20 20:21:52,776 INFO L895 garLoopResultBuilder]: At program point L930(lines 930 950) the Hoare annotation is: (let ((.cse4 (= 0 ~systemActive~0)) (.cse20 (= ~waterLevel~0 0)) (.cse11 (= ~methaneLevelCritical~0 0)) (.cse25 (= ~pumpRunning~0 0)) (.cse3 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (= |old(~pumpRunning~0)| 0))) (let ((.cse21 (not .cse0)) (.cse22 (not (= |old(~waterLevel~0)| 1))) (.cse23 (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (and (not (< 0 ~waterLevel~0)) .cse3) (and .cse25 .cse3))) (.cse1 (= |timeShift_processEnvironment_~tmp~2#1| ~methaneLevelCritical~0)) (.cse8 (not .cse11)) (.cse12 (or .cse25 .cse20)) (.cse13 (not (= |timeShift___utac_acc__Specification3_spec__1_~tmp~8#1| 0))) (.cse24 (not .cse4))) (let ((.cse17 (not (= |old(~pumpRunning~0)| 1))) (.cse5 (and .cse23 .cse1 .cse8 .cse12 .cse13 .cse24)) (.cse9 (not (<= |old(~waterLevel~0)| 2))) (.cse10 (not (<= 2 |old(~waterLevel~0)|))) (.cse7 (and (or (and .cse21 (not (= |old(~waterLevel~0)| 0))) .cse4) (or .cse22 .cse4))) (.cse14 (<= 2 ~waterLevel~0)) (.cse15 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse16 (= ~pumpRunning~0 1)) (.cse2 (not .cse25)) (.cse19 (and .cse23 .cse1 .cse8 .cse20 .cse13 .cse24)) (.cse18 (= ~waterLevel~0 1))) (and (or .cse0 (and .cse1 .cse2 .cse3) .cse4 .cse5) (let ((.cse6 (select |#memory_int| 1))) (or (not (= (select |#length| 12) 25)) (not (= (select .cse6 0) 48)) (not (= |#NULL.offset| 0)) (not (= 9 (select |#length| 11))) (not (= 9 (select |#length| 5))) (not (= 30 (select |#length| 7))) (not (= 31 (select |#length| 2))) (not (= (select |#valid| 12) 1)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 14))) (not (= 1 ~systemActive~0)) (not (= (select |#length| 15) 25)) (not (= (select |#valid| 6) 1)) (not (< 0 |#StackHeapBarrier|)) (not (= (select |#valid| 3) 1)) (not (= ~head~0.offset 0)) (not (= (select |#valid| 11) 1)) (not (= (select |#length| 9) 21)) .cse7 (not (= 30 (select |#length| 10))) (not (= (select |#valid| 15) 1)) (not (= (select |#length| 6) 21)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 8) 9)) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) .cse8 (not (= (select .cse6 1) 0)) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 8) 1)) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) (not (= |#NULL.base| 0)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select |#valid| 14) 1)) (not (= (select |#valid| 13) 1)) .cse9 (not (= 30 (select |#length| 4))) (not (= (select |#valid| 2) 1)) (= ~methaneLevelCritical~0 |timeShift___utac_acc__Specification3_spec__1_~tmp~8#1|) (not (= (select |#valid| 9) 1)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4)) .cse10)) (or .cse11 (and .cse12 .cse13) .cse4 (and .cse14 .cse15 .cse13 .cse16)) (or .cse11 .cse17 .cse4 .cse5) (or .cse17 .cse4 .cse5 .cse16) (or .cse15 .cse4 .cse18 .cse9 .cse10) (or .cse11 .cse7 .cse0 .cse19) (or (and (<= ~waterLevel~0 1) .cse12 .cse15) .cse7 (and .cse14 .cse15 .cse16) (and .cse1 .cse2 .cse3 .cse20) .cse19) (or .cse21 .cse22 .cse4 .cse18))))) [2022-11-20 20:21:52,776 INFO L895 garLoopResultBuilder]: At program point L249(line 249) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (and (or (= ~pumpRunning~0 0) (= ~waterLevel~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0) (or (= |old(~pumpRunning~0)| 0) .cse0))) [2022-11-20 20:21:52,776 INFO L895 garLoopResultBuilder]: At program point L249-1(lines 230 254) the Hoare annotation is: (let ((.cse4 (= 0 ~systemActive~0)) (.cse18 (= ~pumpRunning~0 0)) (.cse13 (= ~waterLevel~0 0)) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse14 (= |old(~pumpRunning~0)| 0))) (let ((.cse12 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse16 (not .cse14)) (.cse17 (not (= |old(~waterLevel~0)| 1))) (.cse10 (= |timeShift_processEnvironment_~tmp~2#1| ~methaneLevelCritical~0)) (.cse19 (not .cse0)) (.cse15 (= ~pumpRunning~0 1)) (.cse20 (or .cse18 .cse13)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse21 (not .cse4))) (let ((.cse2 (and (<= ~waterLevel~0 1) .cse20 .cse6 .cse21)) (.cse3 (and (<= 2 ~waterLevel~0) .cse6 .cse15)) (.cse8 (and .cse10 .cse19 .cse13 .cse21)) (.cse9 (and (or (and .cse16 (not (= |old(~waterLevel~0)| 0))) .cse4) (or .cse17 .cse4))) (.cse5 (not (= |old(~pumpRunning~0)| 1))) (.cse7 (= ~waterLevel~0 1)) (.cse1 (and .cse10 .cse19 .cse20 .cse12 .cse21)) (.cse11 (not .cse18))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse4) (or .cse6 .cse4 .cse7 (not (<= |old(~waterLevel~0)| 2)) (not (<= 2 |old(~waterLevel~0)|))) (or .cse8 .cse2 .cse9 .cse3 (and .cse10 .cse11 .cse12 .cse13)) (or .cse0 .cse8 .cse9 .cse14) (or .cse1 .cse5 .cse4 .cse15) (or .cse16 .cse17 .cse4 .cse7) (or .cse1 .cse14 (and .cse10 .cse11 .cse12) .cse4))))) [2022-11-20 20:21:52,777 INFO L899 garLoopResultBuilder]: For program point L183-1(lines 183 189) no Hoare annotation was computed. [2022-11-20 20:21:52,777 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 172 195) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse1 (= |old(~pumpRunning~0)| 0)) (.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 1)) .cse0 (= ~pumpRunning~0 1)) (or (not .cse1) .cse2 .cse0 (= ~waterLevel~0 0)) (or (= |old(~waterLevel~0)| ~waterLevel~0) .cse0) (or (not .cse2) .cse1 .cse0))) [2022-11-20 20:21:52,777 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 172 195) no Hoare annotation was computed. [2022-11-20 20:21:52,777 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 725) no Hoare annotation was computed. [2022-11-20 20:21:52,777 INFO L895 garLoopResultBuilder]: At program point L151(lines 102 152) the Hoare annotation is: false [2022-11-20 20:21:52,778 INFO L895 garLoopResultBuilder]: At program point L812(lines 812 819) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (= (select |#length| 15) 25) (= 9 (select |#length| 5)) (= (select |#length| 9) 21) (= 30 (select |#length| 7)) (= 1 (select |#valid| 5)) (= (select |#length| 3) 12) (= (select |#valid| 15) 1) (= ~pumpRunning~0 0) (= (select |#valid| 9) 1) (= (select |#length| 12) 25) (= (select |#valid| 11) 1) (= ~methaneLevelCritical~0 0) (= 30 (select |#length| 4)) (= 31 (select |#length| 2)) (= ~head~0.offset 0) (= 2 (select |#length| 1)) (= (select |#length| 8) 9) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 30 (select |#length| 13)) (= 1 ~systemActive~0) (= 30 (select |#length| 10)) (= (select |#valid| 12) 1) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= (select |#length| 6) 21) (= (select |#valid| 14) 1) (= |ULTIMATE.start_valid_product_~retValue_acc~1#1| |ULTIMATE.start_valid_product_#res#1|) (= 9 (select |#length| 14)) (= (select |#valid| 0) 0) (= ~head~0.base 0) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= 9 (select |#length| 11)) (= ~waterLevel~0 1) (= |ULTIMATE.start_valid_product_~retValue_acc~1#1| 1) (= (select .cse0 0) 48) (= |ULTIMATE.start_main_~tmp~7#1| ~systemActive~0) (= (select |#valid| 6) 1) (= (select .cse0 1) 0) (= (select |#valid| 10) 1) (= (select |#valid| 8) 1) (= (select |#valid| 13) 1) (< 0 |#StackHeapBarrier|) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))) [2022-11-20 20:21:52,778 INFO L902 garLoopResultBuilder]: At program point L812-2(lines 812 819) the Hoare annotation is: true [2022-11-20 20:21:52,778 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-11-20 20:21:52,778 INFO L899 garLoopResultBuilder]: For program point L123(lines 123 129) no Hoare annotation was computed. [2022-11-20 20:21:52,779 INFO L895 garLoopResultBuilder]: At program point L123-1(lines 123 129) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~7#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~7#1| ~systemActive~0)) [2022-11-20 20:21:52,779 INFO L895 garLoopResultBuilder]: At program point L148(lines 103 150) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_main_~tmp~7#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (= |ULTIMATE.start_main_~tmp~7#1| ~systemActive~0))) (let ((.cse0 (or (and .cse1 .cse3 (= ~waterLevel~0 1) .cse4) (and .cse1 .cse3 (or .cse2 (= ~waterLevel~0 0)) .cse4)))) (or (and .cse0 (< ~waterLevel~0 2)) (and .cse0 (not (= ~methaneLevelCritical~0 0))) (and .cse1 (not .cse2) .cse3 .cse4)))) [2022-11-20 20:21:52,779 INFO L895 garLoopResultBuilder]: At program point L115(line 115) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~tmp~7#1| 1)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (= |ULTIMATE.start_main_~tmp~7#1| ~systemActive~0))) (or (and .cse0 .cse1 (< ~waterLevel~0 2) .cse2) (and .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1 .cse2) (and .cse0 (not (= ~pumpRunning~0 0)) .cse1 .cse2))) [2022-11-20 20:21:52,779 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 20:21:52,779 INFO L895 garLoopResultBuilder]: At program point L141-2(lines 133 146) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~7#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~7#1| ~systemActive~0)) [2022-11-20 20:21:52,779 INFO L899 garLoopResultBuilder]: For program point L104(lines 103 150) no Hoare annotation was computed. [2022-11-20 20:21:52,780 INFO L895 garLoopResultBuilder]: At program point L125(line 125) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~7#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~7#1| ~systemActive~0)) [2022-11-20 20:21:52,780 INFO L902 garLoopResultBuilder]: At program point L154(lines 93 158) the Hoare annotation is: true [2022-11-20 20:21:52,780 INFO L899 garLoopResultBuilder]: For program point L113(lines 113 119) no Hoare annotation was computed. [2022-11-20 20:21:52,780 INFO L899 garLoopResultBuilder]: For program point L113-1(lines 113 119) no Hoare annotation was computed. [2022-11-20 20:21:52,781 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 204 228) the Hoare annotation is: (let ((.cse4 (= |old(~pumpRunning~0)| 0))) (let ((.cse1 (not .cse4)) (.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 1)) .cse0 (= ~pumpRunning~0 1)) (or .cse1 .cse2 .cse0 (= ~waterLevel~0 0)) (let ((.cse3 (select |#memory_int| 1))) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= (select |#length| 12) 25)) .cse1 (not (= (select .cse3 0) 48)) (not (= |#NULL.offset| 0)) (not (= 9 (select |#length| 11))) (not (= 9 (select |#length| 5))) (not (= 30 (select |#length| 7))) (not (= 31 (select |#length| 2))) (not (= (select |#valid| 12) 1)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 14))) (not (= 1 ~systemActive~0)) (not (= (select |#length| 15) 25)) (not (= (select |#valid| 6) 1)) (not (< 0 |#StackHeapBarrier|)) (not (= (select |#valid| 3) 1)) (not (= ~head~0.offset 0)) (not (= (select |#valid| 11) 1)) (not (= (select |#length| 9) 21)) (not (= 30 (select |#length| 10))) (not (= (select |#valid| 15) 1)) (not (= (select |#length| 6) 21)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 8) 9)) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) (not (= ~methaneLevelCritical~0 0)) (not (= (select .cse3 1) 0)) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 8) 1)) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) (not (= |#NULL.base| 0)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select |#valid| 14) 1)) (not (= (select |#valid| 13) 1)) (not (= 30 (select |#length| 4))) (not (= (select |#valid| 2) 1)) (not (= (select |#valid| 9) 1)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4)))) (or (not .cse2) .cse4 .cse0)))) [2022-11-20 20:21:52,782 INFO L895 garLoopResultBuilder]: At program point L223(line 223) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= |old(~pumpRunning~0)| 1)) .cse0 (= ~pumpRunning~0 1)) (or (not (= ~pumpRunning~0 0)) .cse0) (or .cse1 .cse0 (= ~waterLevel~0 0)) (let ((.cse2 (select |#memory_int| 1))) (or (not (= (select |#length| 12) 25)) .cse1 (not (= (select .cse2 0) 48)) (not (= |#NULL.offset| 0)) (not (= 9 (select |#length| 11))) (not (= 9 (select |#length| 5))) (not (= 30 (select |#length| 7))) (not (= 31 (select |#length| 2))) (not (= (select |#valid| 12) 1)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 14))) (not (= 1 ~systemActive~0)) (not (= (select |#length| 15) 25)) (not (= (select |#valid| 6) 1)) (not (< 0 |#StackHeapBarrier|)) (not (= (select |#valid| 3) 1)) (not (= ~head~0.offset 0)) (not (= (select |#valid| 11) 1)) (not (= (select |#length| 9) 21)) (not (= 30 (select |#length| 10))) (not (= (select |#valid| 15) 1)) (not (= (select |#length| 6) 21)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 8) 9)) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) (not (= ~methaneLevelCritical~0 0)) (not (= (select .cse2 1) 0)) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 8) 1)) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) (not (= |#NULL.base| 0)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select |#valid| 14) 1)) (not (= (select |#valid| 13) 1)) (not (= 30 (select |#length| 4))) (not (= (select |#valid| 2) 1)) (not (= (select |#valid| 9) 1)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4)))))) [2022-11-20 20:21:52,782 INFO L899 garLoopResultBuilder]: For program point L223-1(lines 204 228) no Hoare annotation was computed. [2022-11-20 20:21:52,782 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 204 228) no Hoare annotation was computed. [2022-11-20 20:21:52,783 INFO L895 garLoopResultBuilder]: At program point L218(line 218) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~systemActive~0))) (and (let ((.cse0 (select |#memory_int| 1))) (or (not (= (select |#length| 12) 25)) (not (= (select .cse0 0) 48)) (not (= |#NULL.offset| 0)) (not (= 9 (select |#length| 11))) (not (= 9 (select |#length| 5))) (not (= 30 (select |#length| 7))) (not (= 31 (select |#length| 2))) (not (= (select |#valid| 12) 1)) (not (= 2 (select |#length| 1))) (and .cse1 (= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_~retValue_acc~11#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_~retValue_acc~11#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~retValue_acc~4#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~retValue_acc~4#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~3#1|)) (not (= 9 (select |#length| 14))) (not (= 1 ~systemActive~0)) (not (= (select |#length| 15) 25)) (not (= (select |#valid| 6) 1)) (not (< 0 |#StackHeapBarrier|)) (not (= (select |#valid| 3) 1)) (not (= ~head~0.offset 0)) (not (= (select |#valid| 11) 1)) (not (= (select |#length| 9) 21)) (not (= 30 (select |#length| 10))) (not (= (select |#valid| 15) 1)) (not (= (select |#length| 6) 21)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 8) 9)) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) (not (= ~methaneLevelCritical~0 0)) (not (= (select .cse0 1) 0)) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 8) 1)) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) (not (= |#NULL.base| 0)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select |#valid| 14) 1)) (not (= (select |#valid| 13) 1)) (not (= 30 (select |#length| 4))) (not (= (select |#valid| 2) 1)) (not (= (select |#valid| 9) 1)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4)))) (or (and (<= ~waterLevel~0 1) (or .cse1 (= ~waterLevel~0 0)) (= |processEnvironment__wrappee__highWaterSensor_~tmp~1#1| 0)) .cse2) (or (= |old(~pumpRunning~0)| 0) .cse2))) [2022-11-20 20:21:52,784 INFO L895 garLoopResultBuilder]: At program point L212(lines 212 220) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 2))) (let ((.cse3 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (not .cse0))) (and (or (and (or (and .cse0 (= |processEnvironment__wrappee__highWaterSensor_~tmp~1#1| 0)) (and .cse1 (= |processEnvironment__wrappee__highWaterSensor_~tmp~1#1| 1))) (or .cse2 (= ~waterLevel~0 0))) .cse3) (or (= |old(~pumpRunning~0)| 0) .cse3) (let ((.cse4 (select |#memory_int| 1))) (or (not (= (select |#length| 12) 25)) (not (= (select .cse4 0) 48)) (not (= |#NULL.offset| 0)) (not (= 9 (select |#length| 11))) (not (= 9 (select |#length| 5))) (not (= 30 (select |#length| 7))) (not (= 31 (select |#length| 2))) (not (= (select |#valid| 12) 1)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 14))) (not (= 1 ~systemActive~0)) (not (= (select |#length| 15) 25)) (not (= (select |#valid| 6) 1)) (not (< 0 |#StackHeapBarrier|)) (not (= (select |#valid| 3) 1)) (not (= ~head~0.offset 0)) (not (= (select |#valid| 11) 1)) (not (= (select |#length| 9) 21)) (not (= 30 (select |#length| 10))) (not (= (select |#valid| 15) 1)) (not (= (select |#length| 6) 21)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 8) 9)) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) (not (= ~methaneLevelCritical~0 0)) (not (= (select .cse4 1) 0)) (not (= (select |#valid| 1) 1)) (and .cse2 (let ((.cse5 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_~retValue_acc~11#1|))) (or (and (= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_~retValue_acc~11#1|) .cse5 .cse0) (and .cse1 .cse5 (= 0 |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_~retValue_acc~11#1|)))) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~retValue_acc~4#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~retValue_acc~4#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~3#1|) (let ((.cse6 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~3#1| 0))) (or (and .cse6 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1| 1)) (and (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1| 0) (not .cse6))))) (not (= (select |#valid| 8) 1)) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) (not (= |#NULL.base| 0)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select |#valid| 14) 1)) (not (= (select |#valid| 13) 1)) (not (= 30 (select |#length| 4))) (not (= (select |#valid| 2) 1)) (not (= (select |#valid| 9) 1)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4))))))) [2022-11-20 20:21:52,785 INFO L895 garLoopResultBuilder]: At program point L208(lines 208 225) the Hoare annotation is: (let ((.cse4 (= |old(~pumpRunning~0)| 0))) (let ((.cse1 (not .cse4)) (.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 1)) .cse0 (= ~pumpRunning~0 1)) (or .cse1 .cse2 .cse0 (= ~waterLevel~0 0)) (let ((.cse3 (select |#memory_int| 1))) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= (select |#length| 12) 25)) .cse1 (not (= (select .cse3 0) 48)) (not (= |#NULL.offset| 0)) (not (= 9 (select |#length| 11))) (not (= 9 (select |#length| 5))) (not (= 30 (select |#length| 7))) (not (= 31 (select |#length| 2))) (not (= (select |#valid| 12) 1)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 14))) (not (= 1 ~systemActive~0)) (not (= (select |#length| 15) 25)) (not (= (select |#valid| 6) 1)) (not (< 0 |#StackHeapBarrier|)) (not (= (select |#valid| 3) 1)) (not (= ~head~0.offset 0)) (not (= (select |#valid| 11) 1)) (not (= (select |#length| 9) 21)) (not (= 30 (select |#length| 10))) (not (= (select |#valid| 15) 1)) (not (= (select |#length| 6) 21)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 8) 9)) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) (not (= ~methaneLevelCritical~0 0)) (not (= (select .cse3 1) 0)) (not (= (select |#valid| 1) 1)) (not (= (select |#valid| 8) 1)) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) (not (= |#NULL.base| 0)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select |#valid| 14) 1)) (not (= (select |#valid| 13) 1)) (not (= 30 (select |#length| 4))) (not (= (select |#valid| 2) 1)) (not (= (select |#valid| 9) 1)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4)))) (or (not .cse2) .cse4 .cse0)))) [2022-11-20 20:21:52,785 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 841 852) no Hoare annotation was computed. [2022-11-20 20:21:52,785 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 841 852) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (= 0 ~systemActive~0))) (and (or (= ~pumpRunning~0 0) .cse0 .cse1) (or (= ~methaneLevelCritical~0 0) .cse0 .cse1) (or (not (< |old(~waterLevel~0)| 2)) .cse0 .cse1))) [2022-11-20 20:21:52,788 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 20:21:52,791 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 20:21:52,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 08:21:52 BoogieIcfgContainer [2022-11-20 20:21:52,873 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 20:21:52,873 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 20:21:52,873 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 20:21:52,874 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 20:21:52,874 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:20:50" (3/4) ... [2022-11-20 20:21:52,877 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 20:21:52,882 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-20 20:21:52,883 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-20 20:21:52,883 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-20 20:21:52,883 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-20 20:21:52,883 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-20 20:21:52,883 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-11-20 20:21:52,884 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-20 20:21:52,897 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2022-11-20 20:21:52,897 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-20 20:21:52,898 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-20 20:21:52,899 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 20:21:52,899 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 20:21:52,926 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((((((((((((((((((unknown-#length-unknown[15] == 25 && 9 == unknown-#length-unknown[5]) && unknown-#length-unknown[9] == 21) && 30 == unknown-#length-unknown[7]) && 1 == \valid[5]) && unknown-#length-unknown[3] == 12) && \valid[15] == 1) && pumpRunning == 0) && \valid[9] == 1) && unknown-#length-unknown[12] == 25) && \valid[11] == 1) && methaneLevelCritical == 0) && 30 == unknown-#length-unknown[4]) && 31 == unknown-#length-unknown[2]) && head == 0) && 2 == unknown-#length-unknown[1]) && unknown-#length-unknown[8] == 9) && \valid[3] == 1) && \valid[7] == 1) && 30 == unknown-#length-unknown[13]) && 1 == systemActive) && 30 == unknown-#length-unknown[10]) && \valid[12] == 1) && \valid[4] == 1) && \valid[1] == 1) && unknown-#length-unknown[6] == 21) && \valid[14] == 1) && retValue_acc == \result) && 9 == unknown-#length-unknown[14]) && \valid[0] == 0) && head == 0) && \valid[2] == 1) && #NULL == 0) && 9 == unknown-#length-unknown[11]) && waterLevel == 1) && retValue_acc == 1) && unknown-#memory_int-unknown[1][0] == 48) && tmp == systemActive) && \valid[6] == 1) && unknown-#memory_int-unknown[1][1] == 0) && \valid[10] == 1) && \valid[8] == 1) && \valid[13] == 1) && 0 < unknown-#StackHeapBarrier-unknown) && cleanupTimeShifts == 4) && #NULL == 0 [2022-11-20 20:21:52,927 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 1) || 0 == systemActive) || pumpRunning == 1) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive) || waterLevel == 0)) && (\old(waterLevel) == waterLevel || 0 == systemActive)) && ((!(pumpRunning == 0) || \old(pumpRunning) == 0) || 0 == systemActive) [2022-11-20 20:21:52,929 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((methaneLevelCritical == 0 || ((((tmp == methaneLevelCritical && !(methaneLevelCritical == 0)) && (pumpRunning == 0 || waterLevel == 0)) && waterLevel <= \old(waterLevel)) && !(0 == systemActive))) || (((waterLevel <= 1 && (pumpRunning == 0 || waterLevel == 0)) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || ((2 <= waterLevel && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || 0 == systemActive) && (((methaneLevelCritical == 0 || ((((tmp == methaneLevelCritical && !(methaneLevelCritical == 0)) && (pumpRunning == 0 || waterLevel == 0)) && waterLevel <= \old(waterLevel)) && !(0 == systemActive))) || !(\old(pumpRunning) == 1)) || 0 == systemActive)) && ((((\old(waterLevel) == waterLevel || 0 == systemActive) || waterLevel == 1) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((((tmp == methaneLevelCritical && !(methaneLevelCritical == 0)) && waterLevel == 0) && !(0 == systemActive)) || (((waterLevel <= 1 && (pumpRunning == 0 || waterLevel == 0)) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || (((!(\old(pumpRunning) == 0) && !(\old(waterLevel) == 0)) || 0 == systemActive) && (!(\old(waterLevel) == 1) || 0 == systemActive))) || ((2 <= waterLevel && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || (((tmp == methaneLevelCritical && !(pumpRunning == 0)) && waterLevel <= \old(waterLevel)) && waterLevel == 0))) && (((methaneLevelCritical == 0 || (((tmp == methaneLevelCritical && !(methaneLevelCritical == 0)) && waterLevel == 0) && !(0 == systemActive))) || (((!(\old(pumpRunning) == 0) && !(\old(waterLevel) == 0)) || 0 == systemActive) && (!(\old(waterLevel) == 1) || 0 == systemActive))) || \old(pumpRunning) == 0)) && (((((((tmp == methaneLevelCritical && !(methaneLevelCritical == 0)) && (pumpRunning == 0 || waterLevel == 0)) && waterLevel <= \old(waterLevel)) && !(0 == systemActive)) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || pumpRunning == 1)) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) || waterLevel == 1)) && (((((((tmp == methaneLevelCritical && !(methaneLevelCritical == 0)) && (pumpRunning == 0 || waterLevel == 0)) && waterLevel <= \old(waterLevel)) && !(0 == systemActive)) || \old(pumpRunning) == 0) || ((tmp == methaneLevelCritical && !(pumpRunning == 0)) && waterLevel <= \old(waterLevel))) || 0 == systemActive) [2022-11-20 20:21:52,930 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 1) || 0 == systemActive) || pumpRunning == 1) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive) || waterLevel == 0)) && ((((((((((((((((((((((((((((((((((((((((((pumpRunning == \old(pumpRunning) || !(unknown-#length-unknown[12] == 25)) || !(\old(pumpRunning) == 0)) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(#NULL == 0)) || !(9 == unknown-#length-unknown[11])) || !(9 == unknown-#length-unknown[5])) || !(30 == unknown-#length-unknown[7])) || !(31 == unknown-#length-unknown[2])) || !(\valid[12] == 1)) || !(2 == unknown-#length-unknown[1])) || !(9 == unknown-#length-unknown[14])) || !(1 == systemActive)) || !(unknown-#length-unknown[15] == 25)) || !(\valid[6] == 1)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(\valid[3] == 1)) || !(head == 0)) || !(\valid[11] == 1)) || !(unknown-#length-unknown[9] == 21)) || !(30 == unknown-#length-unknown[10])) || !(\valid[15] == 1)) || !(unknown-#length-unknown[6] == 21)) || !(1 == \valid[5])) || !(unknown-#length-unknown[8] == 9)) || !(unknown-#length-unknown[3] == 12)) || !(\valid[0] == 0)) || !(methaneLevelCritical == 0)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(\valid[1] == 1)) || !(\valid[8] == 1)) || !(30 == unknown-#length-unknown[13])) || !(\valid[4] == 1)) || !(#NULL == 0)) || !(\valid[7] == 1)) || !(\valid[10] == 1)) || !(\valid[14] == 1)) || !(\valid[13] == 1)) || !(30 == unknown-#length-unknown[4])) || !(\valid[2] == 1)) || !(\valid[9] == 1)) || !(head == 0)) || !(cleanupTimeShifts == 4))) && ((!(pumpRunning == 0) || \old(pumpRunning) == 0) || 0 == systemActive) [2022-11-20 20:21:52,931 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 1) || 0 == systemActive) || pumpRunning == 1) && (((0 == systemActive || waterLevel == 1) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) && !(pumpRunning == 0)) && aux-isMethaneLevelCritical()-aux == methaneLevelCritical) || 0 == systemActive)) && ((((!(\old(pumpRunning) == 0) && !(\old(waterLevel) == 0)) || 0 == systemActive) && (!(\old(waterLevel) == 1) || 0 == systemActive)) || waterLevel == 0)) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) [2022-11-20 20:21:52,931 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((\old(pumpRunning) == 0 || ((tmp == methaneLevelCritical && !(pumpRunning == 0)) && waterLevel <= \old(waterLevel))) || 0 == systemActive) || (((((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) && tmp == methaneLevelCritical) && !(methaneLevelCritical == 0)) && (pumpRunning == 0 || waterLevel == 0)) && !(tmp == 0)) && !(0 == systemActive))) && ((((((((((((((((((((((((((((((((((((((((((((!(unknown-#length-unknown[12] == 25) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(#NULL == 0)) || !(9 == unknown-#length-unknown[11])) || !(9 == unknown-#length-unknown[5])) || !(30 == unknown-#length-unknown[7])) || !(31 == unknown-#length-unknown[2])) || !(\valid[12] == 1)) || !(2 == unknown-#length-unknown[1])) || !(9 == unknown-#length-unknown[14])) || !(1 == systemActive)) || !(unknown-#length-unknown[15] == 25)) || !(\valid[6] == 1)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(\valid[3] == 1)) || !(head == 0)) || !(\valid[11] == 1)) || !(unknown-#length-unknown[9] == 21)) || (((!(\old(pumpRunning) == 0) && !(\old(waterLevel) == 0)) || 0 == systemActive) && (!(\old(waterLevel) == 1) || 0 == systemActive))) || !(30 == unknown-#length-unknown[10])) || !(\valid[15] == 1)) || !(unknown-#length-unknown[6] == 21)) || !(1 == \valid[5])) || !(unknown-#length-unknown[8] == 9)) || !(unknown-#length-unknown[3] == 12)) || !(\valid[0] == 0)) || !(methaneLevelCritical == 0)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(\valid[1] == 1)) || !(\valid[8] == 1)) || !(30 == unknown-#length-unknown[13])) || !(\valid[4] == 1)) || !(#NULL == 0)) || !(\valid[7] == 1)) || !(\valid[10] == 1)) || !(\valid[14] == 1)) || !(\valid[13] == 1)) || !(\old(waterLevel) <= 2)) || !(30 == unknown-#length-unknown[4])) || !(\valid[2] == 1)) || methaneLevelCritical == tmp) || !(\valid[9] == 1)) || !(head == 0)) || !(cleanupTimeShifts == 4)) || !(2 <= \old(waterLevel)))) && (((methaneLevelCritical == 0 || ((pumpRunning == 0 || waterLevel == 0) && !(tmp == 0))) || 0 == systemActive) || (((2 <= waterLevel && \old(waterLevel) == waterLevel) && !(tmp == 0)) && pumpRunning == 1))) && (((methaneLevelCritical == 0 || !(\old(pumpRunning) == 1)) || 0 == systemActive) || (((((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) && tmp == methaneLevelCritical) && !(methaneLevelCritical == 0)) && (pumpRunning == 0 || waterLevel == 0)) && !(tmp == 0)) && !(0 == systemActive)))) && (((!(\old(pumpRunning) == 1) || 0 == systemActive) || (((((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) && tmp == methaneLevelCritical) && !(methaneLevelCritical == 0)) && (pumpRunning == 0 || waterLevel == 0)) && !(tmp == 0)) && !(0 == systemActive))) || pumpRunning == 1)) && ((((\old(waterLevel) == waterLevel || 0 == systemActive) || waterLevel == 1) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((methaneLevelCritical == 0 || (((!(\old(pumpRunning) == 0) && !(\old(waterLevel) == 0)) || 0 == systemActive) && (!(\old(waterLevel) == 1) || 0 == systemActive))) || \old(pumpRunning) == 0) || (((((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) && tmp == methaneLevelCritical) && !(methaneLevelCritical == 0)) && waterLevel == 0) && !(tmp == 0)) && !(0 == systemActive)))) && ((((((waterLevel <= 1 && (pumpRunning == 0 || waterLevel == 0)) && \old(waterLevel) == waterLevel) || (((!(\old(pumpRunning) == 0) && !(\old(waterLevel) == 0)) || 0 == systemActive) && (!(\old(waterLevel) == 1) || 0 == systemActive))) || ((2 <= waterLevel && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || (((tmp == methaneLevelCritical && !(pumpRunning == 0)) && waterLevel <= \old(waterLevel)) && waterLevel == 0)) || (((((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) && tmp == methaneLevelCritical) && !(methaneLevelCritical == 0)) && waterLevel == 0) && !(tmp == 0)) && !(0 == systemActive)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) || waterLevel == 1) [2022-11-20 20:21:52,932 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((\old(pumpRunning) == 0 || ((tmp == methaneLevelCritical && !(pumpRunning == 0)) && waterLevel <= \old(waterLevel))) || 0 == systemActive) || (((((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) && tmp == methaneLevelCritical) && !(methaneLevelCritical == 0)) && (pumpRunning == 0 || waterLevel == 0)) && !(tmp == 0)) && !(0 == systemActive))) && (((!(\old(pumpRunning) == 1) || 0 == systemActive) || (((((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) && tmp == methaneLevelCritical) && !(methaneLevelCritical == 0)) && (pumpRunning == 0 || waterLevel == 0)) && !(tmp == 0)) && !(0 == systemActive))) || (!(0 == systemActive) && pumpRunning == 1))) && ((((((((((((((((((((((((((((((((((((((((((((!(unknown-#length-unknown[12] == 25) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(#NULL == 0)) || !(9 == unknown-#length-unknown[11])) || !(9 == unknown-#length-unknown[5])) || !(30 == unknown-#length-unknown[7])) || !(31 == unknown-#length-unknown[2])) || !(\valid[12] == 1)) || !(2 == unknown-#length-unknown[1])) || !(9 == unknown-#length-unknown[14])) || !(1 == systemActive)) || !(unknown-#length-unknown[15] == 25)) || !(\valid[6] == 1)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(\valid[3] == 1)) || !(head == 0)) || !(\valid[11] == 1)) || !(unknown-#length-unknown[9] == 21)) || (((!(\old(pumpRunning) == 0) && !(\old(waterLevel) == 0)) || 0 == systemActive) && (!(\old(waterLevel) == 1) || 0 == systemActive))) || !(30 == unknown-#length-unknown[10])) || !(\valid[15] == 1)) || !(unknown-#length-unknown[6] == 21)) || !(1 == \valid[5])) || !(unknown-#length-unknown[8] == 9)) || !(unknown-#length-unknown[3] == 12)) || !(\valid[0] == 0)) || !(methaneLevelCritical == 0)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(\valid[1] == 1)) || !(\valid[8] == 1)) || !(30 == unknown-#length-unknown[13])) || !(\valid[4] == 1)) || !(#NULL == 0)) || ((retValue_acc == waterLevel && methaneLevelCritical == tmp) && retValue_acc == \result)) || !(\valid[7] == 1)) || !(\valid[10] == 1)) || !(\valid[14] == 1)) || !(\valid[13] == 1)) || !(\old(waterLevel) <= 2)) || !(30 == unknown-#length-unknown[4])) || !(\valid[2] == 1)) || !(\valid[9] == 1)) || !(head == 0)) || !(cleanupTimeShifts == 4)) || !(2 <= \old(waterLevel)))) && ((((((((tmp == methaneLevelCritical && !(pumpRunning == 0)) && waterLevel <= \old(waterLevel)) && waterLevel == 0) && !(0 == systemActive)) || ((((pumpRunning == 0 || waterLevel == 0) && \old(waterLevel) == waterLevel) && waterLevel < 2) && !(0 == systemActive))) || (((!(\old(pumpRunning) == 0) && !(\old(waterLevel) == 0)) || 0 == systemActive) && (!(\old(waterLevel) == 1) || 0 == systemActive))) || (((2 <= waterLevel && \old(waterLevel) == waterLevel) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) && tmp == methaneLevelCritical) && !(methaneLevelCritical == 0)) && waterLevel == 0) && !(tmp == 0)) && !(0 == systemActive)))) && (((methaneLevelCritical == 0 || !(\old(pumpRunning) == 1)) || 0 == systemActive) || (((((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) && tmp == methaneLevelCritical) && !(methaneLevelCritical == 0)) && (pumpRunning == 0 || waterLevel == 0)) && !(tmp == 0)) && !(0 == systemActive)))) && ((((\old(waterLevel) == waterLevel || 0 == systemActive) || waterLevel == 1) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((methaneLevelCritical == 0 || (((!(\old(pumpRunning) == 0) && !(\old(waterLevel) == 0)) || 0 == systemActive) && (!(\old(waterLevel) == 1) || 0 == systemActive))) || \old(pumpRunning) == 0) || (((((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) && tmp == methaneLevelCritical) && !(methaneLevelCritical == 0)) && waterLevel == 0) && !(tmp == 0)) && !(0 == systemActive)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) || waterLevel == 1)) && (((((((!(\old(pumpRunning) == 0) && !(\old(waterLevel) == 0)) || 0 == systemActive) && (!(\old(waterLevel) == 1) || 0 == systemActive)) || waterLevel == tmp___0) || !(\old(waterLevel) <= 2)) || !(tmp == 0)) || !(2 <= \old(waterLevel)))) && ((((methaneLevelCritical == 0 || ((((pumpRunning == 0 || waterLevel == 0) && \old(waterLevel) == waterLevel) && !(tmp == 0)) && !(0 == systemActive))) || ((((2 <= waterLevel && \old(waterLevel) == waterLevel) && !(tmp == 0)) && !(0 == systemActive)) && pumpRunning == 1)) || 0 == systemActive) || (((((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) && tmp == methaneLevelCritical) && !(methaneLevelCritical == 0)) && (pumpRunning == 0 || waterLevel == 0)) && !(tmp == 0)) && !(0 == systemActive))) [2022-11-20 20:21:52,932 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 1) || 0 == systemActive) || pumpRunning == 1) && (((0 == systemActive || waterLevel == 1) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) && tmp == methaneLevelCritical) && !(pumpRunning == 0)) || 0 == systemActive)) && ((((!(\old(pumpRunning) == 0) && !(\old(waterLevel) == 0)) || 0 == systemActive) && (!(\old(waterLevel) == 1) || 0 == systemActive)) || waterLevel == 0)) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) [2022-11-20 20:21:52,933 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 1) || 0 == systemActive) || pumpRunning == 1) && (methaneLevelCritical == 0 || 0 == systemActive)) && ((((\old(waterLevel) == waterLevel || 0 == systemActive) || waterLevel == 1) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((\old(pumpRunning) == 0 || ((tmp == methaneLevelCritical && !(pumpRunning == 0)) && waterLevel <= \old(waterLevel))) || 0 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) || waterLevel == 1)) && ((((((waterLevel <= 1 && (pumpRunning == 0 || waterLevel == 0)) && \old(waterLevel) == waterLevel) && waterLevel == tmp___0) || ((((tmp == methaneLevelCritical && !(pumpRunning == 0)) && tmp___0 <= 0) && waterLevel <= \old(waterLevel)) && waterLevel == 0)) || (((2 <= waterLevel && \old(waterLevel) == waterLevel) && waterLevel == tmp___0) && pumpRunning == 1)) || (((!(\old(pumpRunning) == 0) && !(\old(waterLevel) == 0)) || 0 == systemActive) && (!(\old(waterLevel) == 1) || 0 == systemActive)))) && (((((((((((((((((((((((((((((((((((((((((((!(unknown-#length-unknown[12] == 25) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(#NULL == 0)) || !(9 == unknown-#length-unknown[11])) || !(9 == unknown-#length-unknown[5])) || !(30 == unknown-#length-unknown[7])) || !(31 == unknown-#length-unknown[2])) || !(\valid[12] == 1)) || !(2 == unknown-#length-unknown[1])) || !(9 == unknown-#length-unknown[14])) || !(1 == systemActive)) || !(unknown-#length-unknown[15] == 25)) || !(\valid[6] == 1)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(\valid[3] == 1)) || !(head == 0)) || !(\valid[11] == 1)) || !(unknown-#length-unknown[9] == 21)) || (((!(\old(pumpRunning) == 0) && !(\old(waterLevel) == 0)) || 0 == systemActive) && (!(\old(waterLevel) == 1) || 0 == systemActive))) || !(30 == unknown-#length-unknown[10])) || !(\valid[15] == 1)) || !(unknown-#length-unknown[6] == 21)) || !(1 == \valid[5])) || !(unknown-#length-unknown[8] == 9)) || !(unknown-#length-unknown[3] == 12)) || !(\valid[0] == 0)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(\valid[1] == 1)) || !(\valid[8] == 1)) || !(30 == unknown-#length-unknown[13])) || !(\valid[4] == 1)) || !(#NULL == 0)) || ((retValue_acc == waterLevel && methaneLevelCritical == tmp) && retValue_acc == \result)) || !(\valid[7] == 1)) || !(\valid[10] == 1)) || !(\valid[14] == 1)) || !(\valid[13] == 1)) || !(\old(waterLevel) <= 2)) || !(30 == unknown-#length-unknown[4])) || !(\valid[2] == 1)) || !(\valid[9] == 1)) || !(head == 0)) || !(cleanupTimeShifts == 4)) || !(2 <= \old(waterLevel))) [2022-11-20 20:21:52,933 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel < 2 && tmp == 0) || (!(waterLevel < 2) && tmp == 1)) && (pumpRunning == 0 || waterLevel == 0)) || 0 == systemActive) && (\old(pumpRunning) == 0 || 0 == systemActive)) && (((((((((((((((((((((((((((((((((((((((((!(unknown-#length-unknown[12] == 25) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(#NULL == 0)) || !(9 == unknown-#length-unknown[11])) || !(9 == unknown-#length-unknown[5])) || !(30 == unknown-#length-unknown[7])) || !(31 == unknown-#length-unknown[2])) || !(\valid[12] == 1)) || !(2 == unknown-#length-unknown[1])) || !(9 == unknown-#length-unknown[14])) || !(1 == systemActive)) || !(unknown-#length-unknown[15] == 25)) || !(\valid[6] == 1)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(\valid[3] == 1)) || !(head == 0)) || !(\valid[11] == 1)) || !(unknown-#length-unknown[9] == 21)) || !(30 == unknown-#length-unknown[10])) || !(\valid[15] == 1)) || !(unknown-#length-unknown[6] == 21)) || !(1 == \valid[5])) || !(unknown-#length-unknown[8] == 9)) || !(unknown-#length-unknown[3] == 12)) || !(\valid[0] == 0)) || !(methaneLevelCritical == 0)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(\valid[1] == 1)) || (((((pumpRunning == 0 && (((1 == retValue_acc && \result == retValue_acc) && waterLevel < 2) || ((!(waterLevel < 2) && \result == retValue_acc) && 0 == retValue_acc))) && retValue_acc == tmp___0) && retValue_acc == \result) && \result == tmp) && ((tmp == 0 && tmp___0 == 1) || (tmp___0 == 0 && !(tmp == 0))))) || !(\valid[8] == 1)) || !(30 == unknown-#length-unknown[13])) || !(\valid[4] == 1)) || !(#NULL == 0)) || !(\valid[7] == 1)) || !(\valid[10] == 1)) || !(\valid[14] == 1)) || !(\valid[13] == 1)) || !(30 == unknown-#length-unknown[4])) || !(\valid[2] == 1)) || !(\valid[9] == 1)) || !(head == 0)) || !(cleanupTimeShifts == 4)) [2022-11-20 20:21:52,969 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34cdfecf-f133-461b-ab33-cf744099359d/bin/utaipan-6cKwYrpEi9/witness.graphml [2022-11-20 20:21:52,971 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 20:21:52,971 INFO L158 Benchmark]: Toolchain (without parser) took 64017.47ms. Allocated memory was 155.2MB in the beginning and 532.7MB in the end (delta: 377.5MB). Free memory was 121.1MB in the beginning and 314.0MB in the end (delta: -192.9MB). Peak memory consumption was 185.1MB. Max. memory is 16.1GB. [2022-11-20 20:21:52,972 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 155.2MB. Free memory was 124.5MB in the beginning and 124.3MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 20:21:52,973 INFO L158 Benchmark]: CACSL2BoogieTranslator took 456.71ms. Allocated memory is still 155.2MB. Free memory was 121.1MB in the beginning and 102.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 20:21:52,973 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.87ms. Allocated memory is still 155.2MB. Free memory was 102.2MB in the beginning and 100.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 20:21:52,974 INFO L158 Benchmark]: Boogie Preprocessor took 57.72ms. Allocated memory is still 155.2MB. Free memory was 100.1MB in the beginning and 98.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 20:21:52,974 INFO L158 Benchmark]: RCFGBuilder took 705.41ms. Allocated memory is still 155.2MB. Free memory was 98.6MB in the beginning and 74.9MB in the end (delta: 23.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-20 20:21:52,974 INFO L158 Benchmark]: TraceAbstraction took 62641.35ms. Allocated memory was 155.2MB in the beginning and 532.7MB in the end (delta: 377.5MB). Free memory was 74.4MB in the beginning and 319.2MB in the end (delta: -244.8MB). Peak memory consumption was 275.3MB. Max. memory is 16.1GB. [2022-11-20 20:21:52,975 INFO L158 Benchmark]: Witness Printer took 97.61ms. Allocated memory is still 532.7MB. Free memory was 319.2MB in the beginning and 314.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 20:21:52,977 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 155.2MB. Free memory was 124.5MB in the beginning and 124.3MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 456.71ms. Allocated memory is still 155.2MB. Free memory was 121.1MB in the beginning and 102.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.87ms. Allocated memory is still 155.2MB. Free memory was 102.2MB in the beginning and 100.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.72ms. Allocated memory is still 155.2MB. Free memory was 100.1MB in the beginning and 98.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 705.41ms. Allocated memory is still 155.2MB. Free memory was 98.6MB in the beginning and 74.9MB in the end (delta: 23.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 62641.35ms. Allocated memory was 155.2MB in the beginning and 532.7MB in the end (delta: 377.5MB). Free memory was 74.4MB in the beginning and 319.2MB in the end (delta: -244.8MB). Peak memory consumption was 275.3MB. Max. memory is 16.1GB. * Witness Printer took 97.61ms. Allocated memory is still 532.7MB. Free memory was 319.2MB in the beginning and 314.0MB 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: 725]: 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: 62.5s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 11.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 27.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1392 SdHoareTripleChecker+Valid, 4.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1351 mSDsluCounter, 2650 SdHoareTripleChecker+Invalid, 3.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1903 mSDsCounter, 521 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3223 IncrementalHoareTripleChecker+Invalid, 3744 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 521 mSolverCounterUnsat, 747 mSDtfsCounter, 3223 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 483 GetRequests, 318 SyntacticMatches, 16 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1025 ImplicationChecksByTransitivity, 17.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1037occurred in iteration=11, InterpolantAutomatonStates: 130, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 12 MinimizatonAttempts, 314 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 36 LocationsWithAnnotation, 2774 PreInvPairs, 3349 NumberOfFragments, 5071 HoareAnnotationTreeSize, 2774 FomulaSimplifications, 24370 FormulaSimplificationTreeSizeReduction, 3.1s HoareSimplificationTime, 36 FomulaSimplificationsInter, 136512 FormulaSimplificationTreeSizeReductionInter, 24.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 691 NumberOfCodeBlocks, 691 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 729 ConstructedInterpolants, 0 QuantifiedInterpolants, 1740 SizeOfPredicates, 36 NumberOfNonLiveVariables, 1108 ConjunctsInSsa, 78 ConjunctsInUnsatCore, 17 InterpolantComputations, 11 PerfectInterpolantSequences, 200/223 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: OVERALL_TIME: 5.2s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 5, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 42, DAG_INTERPRETER_EARLY_EXITS: 6, TOOLS_POST_APPLICATIONS: 51, TOOLS_POST_TIME: 1.6s, TOOLS_POST_CALL_APPLICATIONS: 20, TOOLS_POST_CALL_TIME: 2.5s, TOOLS_POST_RETURN_APPLICATIONS: 16, TOOLS_POST_RETURN_TIME: 0.7s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 85, TOOLS_QUANTIFIERELIM_TIME: 4.7s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.7s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 116, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 13, DOMAIN_JOIN_TIME: 0.2s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 1, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 42, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME: 2.4s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 2.4s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 1, CALL_SUMMARIZER_APPLICATIONS: 16, CALL_SUMMARIZER_CACHE_MISSES: 4, CALL_SUMMARIZER_OVERALL_TIME: 0.1s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.1s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 596, DAG_COMPRESSION_RETAINED_NODES: 118, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 1) || 0 == systemActive) || pumpRunning == 1) && (((0 == systemActive || waterLevel == 1) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) && !(pumpRunning == 0)) && aux-isMethaneLevelCritical()-aux == methaneLevelCritical) || 0 == systemActive)) && ((((!(\old(pumpRunning) == 0) && !(\old(waterLevel) == 0)) || 0 == systemActive) && (!(\old(waterLevel) == 1) || 0 == systemActive)) || waterLevel == 0)) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 936]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 1) || 0 == systemActive) || pumpRunning == 1) && (methaneLevelCritical == 0 || 0 == systemActive)) && ((((\old(waterLevel) == waterLevel || 0 == systemActive) || waterLevel == 1) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((\old(pumpRunning) == 0 || ((tmp == methaneLevelCritical && !(pumpRunning == 0)) && waterLevel <= \old(waterLevel))) || 0 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) || waterLevel == 1)) && ((((((waterLevel <= 1 && (pumpRunning == 0 || waterLevel == 0)) && \old(waterLevel) == waterLevel) && waterLevel == tmp___0) || ((((tmp == methaneLevelCritical && !(pumpRunning == 0)) && tmp___0 <= 0) && waterLevel <= \old(waterLevel)) && waterLevel == 0)) || (((2 <= waterLevel && \old(waterLevel) == waterLevel) && waterLevel == tmp___0) && pumpRunning == 1)) || (((!(\old(pumpRunning) == 0) && !(\old(waterLevel) == 0)) || 0 == systemActive) && (!(\old(waterLevel) == 1) || 0 == systemActive)))) && (((((((((((((((((((((((((((((((((((((((((((!(unknown-#length-unknown[12] == 25) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(#NULL == 0)) || !(9 == unknown-#length-unknown[11])) || !(9 == unknown-#length-unknown[5])) || !(30 == unknown-#length-unknown[7])) || !(31 == unknown-#length-unknown[2])) || !(\valid[12] == 1)) || !(2 == unknown-#length-unknown[1])) || !(9 == unknown-#length-unknown[14])) || !(1 == systemActive)) || !(unknown-#length-unknown[15] == 25)) || !(\valid[6] == 1)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(\valid[3] == 1)) || !(head == 0)) || !(\valid[11] == 1)) || !(unknown-#length-unknown[9] == 21)) || (((!(\old(pumpRunning) == 0) && !(\old(waterLevel) == 0)) || 0 == systemActive) && (!(\old(waterLevel) == 1) || 0 == systemActive))) || !(30 == unknown-#length-unknown[10])) || !(\valid[15] == 1)) || !(unknown-#length-unknown[6] == 21)) || !(1 == \valid[5])) || !(unknown-#length-unknown[8] == 9)) || !(unknown-#length-unknown[3] == 12)) || !(\valid[0] == 0)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(\valid[1] == 1)) || !(\valid[8] == 1)) || !(30 == unknown-#length-unknown[13])) || !(\valid[4] == 1)) || !(#NULL == 0)) || ((retValue_acc == waterLevel && methaneLevelCritical == tmp) && retValue_acc == \result)) || !(\valid[7] == 1)) || !(\valid[10] == 1)) || !(\valid[14] == 1)) || !(\valid[13] == 1)) || !(\old(waterLevel) <= 2)) || !(30 == unknown-#length-unknown[4])) || !(\valid[2] == 1)) || !(\valid[9] == 1)) || !(head == 0)) || !(cleanupTimeShifts == 4)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 1) || 0 == systemActive) || pumpRunning == 1) && (((0 == systemActive || waterLevel == 1) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && ((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) && tmp == methaneLevelCritical) && !(pumpRunning == 0)) || 0 == systemActive)) && ((((!(\old(pumpRunning) == 0) && !(\old(waterLevel) == 0)) || 0 == systemActive) && (!(\old(waterLevel) == 1) || 0 == systemActive)) || waterLevel == 0)) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 1) || 0 == systemActive) || pumpRunning == 1) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive) || waterLevel == 0)) && (\old(waterLevel) == waterLevel || 0 == systemActive)) && ((!(pumpRunning == 0) || \old(pumpRunning) == 0) || 0 == systemActive) - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 921]: Loop Invariant Derived loop invariant: (((((((((((\old(pumpRunning) == 0 || ((tmp == methaneLevelCritical && !(pumpRunning == 0)) && waterLevel <= \old(waterLevel))) || 0 == systemActive) || (((((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) && tmp == methaneLevelCritical) && !(methaneLevelCritical == 0)) && (pumpRunning == 0 || waterLevel == 0)) && !(tmp == 0)) && !(0 == systemActive))) && (((!(\old(pumpRunning) == 1) || 0 == systemActive) || (((((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) && tmp == methaneLevelCritical) && !(methaneLevelCritical == 0)) && (pumpRunning == 0 || waterLevel == 0)) && !(tmp == 0)) && !(0 == systemActive))) || (!(0 == systemActive) && pumpRunning == 1))) && ((((((((((((((((((((((((((((((((((((((((((((!(unknown-#length-unknown[12] == 25) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(#NULL == 0)) || !(9 == unknown-#length-unknown[11])) || !(9 == unknown-#length-unknown[5])) || !(30 == unknown-#length-unknown[7])) || !(31 == unknown-#length-unknown[2])) || !(\valid[12] == 1)) || !(2 == unknown-#length-unknown[1])) || !(9 == unknown-#length-unknown[14])) || !(1 == systemActive)) || !(unknown-#length-unknown[15] == 25)) || !(\valid[6] == 1)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(\valid[3] == 1)) || !(head == 0)) || !(\valid[11] == 1)) || !(unknown-#length-unknown[9] == 21)) || (((!(\old(pumpRunning) == 0) && !(\old(waterLevel) == 0)) || 0 == systemActive) && (!(\old(waterLevel) == 1) || 0 == systemActive))) || !(30 == unknown-#length-unknown[10])) || !(\valid[15] == 1)) || !(unknown-#length-unknown[6] == 21)) || !(1 == \valid[5])) || !(unknown-#length-unknown[8] == 9)) || !(unknown-#length-unknown[3] == 12)) || !(\valid[0] == 0)) || !(methaneLevelCritical == 0)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(\valid[1] == 1)) || !(\valid[8] == 1)) || !(30 == unknown-#length-unknown[13])) || !(\valid[4] == 1)) || !(#NULL == 0)) || ((retValue_acc == waterLevel && methaneLevelCritical == tmp) && retValue_acc == \result)) || !(\valid[7] == 1)) || !(\valid[10] == 1)) || !(\valid[14] == 1)) || !(\valid[13] == 1)) || !(\old(waterLevel) <= 2)) || !(30 == unknown-#length-unknown[4])) || !(\valid[2] == 1)) || !(\valid[9] == 1)) || !(head == 0)) || !(cleanupTimeShifts == 4)) || !(2 <= \old(waterLevel)))) && ((((((((tmp == methaneLevelCritical && !(pumpRunning == 0)) && waterLevel <= \old(waterLevel)) && waterLevel == 0) && !(0 == systemActive)) || ((((pumpRunning == 0 || waterLevel == 0) && \old(waterLevel) == waterLevel) && waterLevel < 2) && !(0 == systemActive))) || (((!(\old(pumpRunning) == 0) && !(\old(waterLevel) == 0)) || 0 == systemActive) && (!(\old(waterLevel) == 1) || 0 == systemActive))) || (((2 <= waterLevel && \old(waterLevel) == waterLevel) && !(0 == systemActive)) && pumpRunning == 1)) || (((((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) && tmp == methaneLevelCritical) && !(methaneLevelCritical == 0)) && waterLevel == 0) && !(tmp == 0)) && !(0 == systemActive)))) && (((methaneLevelCritical == 0 || !(\old(pumpRunning) == 1)) || 0 == systemActive) || (((((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) && tmp == methaneLevelCritical) && !(methaneLevelCritical == 0)) && (pumpRunning == 0 || waterLevel == 0)) && !(tmp == 0)) && !(0 == systemActive)))) && ((((\old(waterLevel) == waterLevel || 0 == systemActive) || waterLevel == 1) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((methaneLevelCritical == 0 || (((!(\old(pumpRunning) == 0) && !(\old(waterLevel) == 0)) || 0 == systemActive) && (!(\old(waterLevel) == 1) || 0 == systemActive))) || \old(pumpRunning) == 0) || (((((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) && tmp == methaneLevelCritical) && !(methaneLevelCritical == 0)) && waterLevel == 0) && !(tmp == 0)) && !(0 == systemActive)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) || waterLevel == 1)) && (((((((!(\old(pumpRunning) == 0) && !(\old(waterLevel) == 0)) || 0 == systemActive) && (!(\old(waterLevel) == 1) || 0 == systemActive)) || waterLevel == tmp___0) || !(\old(waterLevel) <= 2)) || !(tmp == 0)) || !(2 <= \old(waterLevel)))) && ((((methaneLevelCritical == 0 || ((((pumpRunning == 0 || waterLevel == 0) && \old(waterLevel) == waterLevel) && !(tmp == 0)) && !(0 == systemActive))) || ((((2 <= waterLevel && \old(waterLevel) == waterLevel) && !(tmp == 0)) && !(0 == systemActive)) && pumpRunning == 1)) || 0 == systemActive) || (((((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) && tmp == methaneLevelCritical) && !(methaneLevelCritical == 0)) && (pumpRunning == 0 || waterLevel == 0)) && !(tmp == 0)) && !(0 == systemActive))) - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((((unknown-#length-unknown[15] == 25 && 9 == unknown-#length-unknown[5]) && unknown-#length-unknown[9] == 21) && 30 == unknown-#length-unknown[7]) && 1 == \valid[5]) && unknown-#length-unknown[3] == 12) && \valid[15] == 1) && pumpRunning == 0) && \valid[9] == 1) && unknown-#length-unknown[12] == 25) && \valid[11] == 1) && methaneLevelCritical == 0) && 30 == unknown-#length-unknown[4]) && 31 == unknown-#length-unknown[2]) && head == 0) && 2 == unknown-#length-unknown[1]) && unknown-#length-unknown[8] == 9) && \valid[3] == 1) && \valid[7] == 1) && 30 == unknown-#length-unknown[13]) && 1 == systemActive) && 30 == unknown-#length-unknown[10]) && \valid[12] == 1) && \valid[4] == 1) && \valid[1] == 1) && unknown-#length-unknown[6] == 21) && \valid[14] == 1) && retValue_acc == \result) && 9 == unknown-#length-unknown[14]) && \valid[0] == 0) && head == 0) && \valid[2] == 1) && #NULL == 0) && 9 == unknown-#length-unknown[11]) && waterLevel == 1) && retValue_acc == 1) && unknown-#memory_int-unknown[1][0] == 48) && tmp == systemActive) && \valid[6] == 1) && unknown-#memory_int-unknown[1][1] == 0) && \valid[10] == 1) && \valid[8] == 1) && \valid[13] == 1) && 0 < unknown-#StackHeapBarrier-unknown) && cleanupTimeShifts == 4) && #NULL == 0 - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: ((((((((((\old(pumpRunning) == 0 || ((tmp == methaneLevelCritical && !(pumpRunning == 0)) && waterLevel <= \old(waterLevel))) || 0 == systemActive) || (((((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) && tmp == methaneLevelCritical) && !(methaneLevelCritical == 0)) && (pumpRunning == 0 || waterLevel == 0)) && !(tmp == 0)) && !(0 == systemActive))) && ((((((((((((((((((((((((((((((((((((((((((((!(unknown-#length-unknown[12] == 25) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(#NULL == 0)) || !(9 == unknown-#length-unknown[11])) || !(9 == unknown-#length-unknown[5])) || !(30 == unknown-#length-unknown[7])) || !(31 == unknown-#length-unknown[2])) || !(\valid[12] == 1)) || !(2 == unknown-#length-unknown[1])) || !(9 == unknown-#length-unknown[14])) || !(1 == systemActive)) || !(unknown-#length-unknown[15] == 25)) || !(\valid[6] == 1)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(\valid[3] == 1)) || !(head == 0)) || !(\valid[11] == 1)) || !(unknown-#length-unknown[9] == 21)) || (((!(\old(pumpRunning) == 0) && !(\old(waterLevel) == 0)) || 0 == systemActive) && (!(\old(waterLevel) == 1) || 0 == systemActive))) || !(30 == unknown-#length-unknown[10])) || !(\valid[15] == 1)) || !(unknown-#length-unknown[6] == 21)) || !(1 == \valid[5])) || !(unknown-#length-unknown[8] == 9)) || !(unknown-#length-unknown[3] == 12)) || !(\valid[0] == 0)) || !(methaneLevelCritical == 0)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(\valid[1] == 1)) || !(\valid[8] == 1)) || !(30 == unknown-#length-unknown[13])) || !(\valid[4] == 1)) || !(#NULL == 0)) || !(\valid[7] == 1)) || !(\valid[10] == 1)) || !(\valid[14] == 1)) || !(\valid[13] == 1)) || !(\old(waterLevel) <= 2)) || !(30 == unknown-#length-unknown[4])) || !(\valid[2] == 1)) || methaneLevelCritical == tmp) || !(\valid[9] == 1)) || !(head == 0)) || !(cleanupTimeShifts == 4)) || !(2 <= \old(waterLevel)))) && (((methaneLevelCritical == 0 || ((pumpRunning == 0 || waterLevel == 0) && !(tmp == 0))) || 0 == systemActive) || (((2 <= waterLevel && \old(waterLevel) == waterLevel) && !(tmp == 0)) && pumpRunning == 1))) && (((methaneLevelCritical == 0 || !(\old(pumpRunning) == 1)) || 0 == systemActive) || (((((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) && tmp == methaneLevelCritical) && !(methaneLevelCritical == 0)) && (pumpRunning == 0 || waterLevel == 0)) && !(tmp == 0)) && !(0 == systemActive)))) && (((!(\old(pumpRunning) == 1) || 0 == systemActive) || (((((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) && tmp == methaneLevelCritical) && !(methaneLevelCritical == 0)) && (pumpRunning == 0 || waterLevel == 0)) && !(tmp == 0)) && !(0 == systemActive))) || pumpRunning == 1)) && ((((\old(waterLevel) == waterLevel || 0 == systemActive) || waterLevel == 1) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((methaneLevelCritical == 0 || (((!(\old(pumpRunning) == 0) && !(\old(waterLevel) == 0)) || 0 == systemActive) && (!(\old(waterLevel) == 1) || 0 == systemActive))) || \old(pumpRunning) == 0) || (((((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) && tmp == methaneLevelCritical) && !(methaneLevelCritical == 0)) && waterLevel == 0) && !(tmp == 0)) && !(0 == systemActive)))) && ((((((waterLevel <= 1 && (pumpRunning == 0 || waterLevel == 0)) && \old(waterLevel) == waterLevel) || (((!(\old(pumpRunning) == 0) && !(\old(waterLevel) == 0)) || 0 == systemActive) && (!(\old(waterLevel) == 1) || 0 == systemActive))) || ((2 <= waterLevel && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || (((tmp == methaneLevelCritical && !(pumpRunning == 0)) && waterLevel <= \old(waterLevel)) && waterLevel == 0)) || (((((((waterLevel + 1 <= \old(waterLevel) || (!(0 < waterLevel) && waterLevel <= \old(waterLevel))) || (pumpRunning == 0 && waterLevel <= \old(waterLevel))) && tmp == methaneLevelCritical) && !(methaneLevelCritical == 0)) && waterLevel == 0) && !(tmp == 0)) && !(0 == systemActive)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) || waterLevel == 1) - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: ((((((tmp == 1 && splverifierCounter == 0) && waterLevel == 1) && tmp == systemActive) || (((tmp == 1 && splverifierCounter == 0) && (pumpRunning == 0 || waterLevel == 0)) && tmp == systemActive)) && waterLevel < 2) || (((((tmp == 1 && splverifierCounter == 0) && waterLevel == 1) && tmp == systemActive) || (((tmp == 1 && splverifierCounter == 0) && (pumpRunning == 0 || waterLevel == 0)) && tmp == systemActive)) && !(methaneLevelCritical == 0))) || (((tmp == 1 && !(pumpRunning == 0)) && splverifierCounter == 0) && tmp == systemActive) - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 == systemActive - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: ((((((((((methaneLevelCritical == 0 || ((((tmp == methaneLevelCritical && !(methaneLevelCritical == 0)) && (pumpRunning == 0 || waterLevel == 0)) && waterLevel <= \old(waterLevel)) && !(0 == systemActive))) || (((waterLevel <= 1 && (pumpRunning == 0 || waterLevel == 0)) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || ((2 <= waterLevel && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || 0 == systemActive) && (((methaneLevelCritical == 0 || ((((tmp == methaneLevelCritical && !(methaneLevelCritical == 0)) && (pumpRunning == 0 || waterLevel == 0)) && waterLevel <= \old(waterLevel)) && !(0 == systemActive))) || !(\old(pumpRunning) == 1)) || 0 == systemActive)) && ((((\old(waterLevel) == waterLevel || 0 == systemActive) || waterLevel == 1) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((((((tmp == methaneLevelCritical && !(methaneLevelCritical == 0)) && waterLevel == 0) && !(0 == systemActive)) || (((waterLevel <= 1 && (pumpRunning == 0 || waterLevel == 0)) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || (((!(\old(pumpRunning) == 0) && !(\old(waterLevel) == 0)) || 0 == systemActive) && (!(\old(waterLevel) == 1) || 0 == systemActive))) || ((2 <= waterLevel && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || (((tmp == methaneLevelCritical && !(pumpRunning == 0)) && waterLevel <= \old(waterLevel)) && waterLevel == 0))) && (((methaneLevelCritical == 0 || (((tmp == methaneLevelCritical && !(methaneLevelCritical == 0)) && waterLevel == 0) && !(0 == systemActive))) || (((!(\old(pumpRunning) == 0) && !(\old(waterLevel) == 0)) || 0 == systemActive) && (!(\old(waterLevel) == 1) || 0 == systemActive))) || \old(pumpRunning) == 0)) && (((((((tmp == methaneLevelCritical && !(methaneLevelCritical == 0)) && (pumpRunning == 0 || waterLevel == 0)) && waterLevel <= \old(waterLevel)) && !(0 == systemActive)) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || pumpRunning == 1)) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) || waterLevel == 1)) && (((((((tmp == methaneLevelCritical && !(methaneLevelCritical == 0)) && (pumpRunning == 0 || waterLevel == 0)) && waterLevel <= \old(waterLevel)) && !(0 == systemActive)) || \old(pumpRunning) == 0) || ((tmp == methaneLevelCritical && !(pumpRunning == 0)) && waterLevel <= \old(waterLevel))) || 0 == systemActive) - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: (tmp == 1 && splverifierCounter == 0) && tmp == systemActive - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: (((((waterLevel < 2 && tmp == 0) || (!(waterLevel < 2) && tmp == 1)) && (pumpRunning == 0 || waterLevel == 0)) || 0 == systemActive) && (\old(pumpRunning) == 0 || 0 == systemActive)) && (((((((((((((((((((((((((((((((((((((((((!(unknown-#length-unknown[12] == 25) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(#NULL == 0)) || !(9 == unknown-#length-unknown[11])) || !(9 == unknown-#length-unknown[5])) || !(30 == unknown-#length-unknown[7])) || !(31 == unknown-#length-unknown[2])) || !(\valid[12] == 1)) || !(2 == unknown-#length-unknown[1])) || !(9 == unknown-#length-unknown[14])) || !(1 == systemActive)) || !(unknown-#length-unknown[15] == 25)) || !(\valid[6] == 1)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(\valid[3] == 1)) || !(head == 0)) || !(\valid[11] == 1)) || !(unknown-#length-unknown[9] == 21)) || !(30 == unknown-#length-unknown[10])) || !(\valid[15] == 1)) || !(unknown-#length-unknown[6] == 21)) || !(1 == \valid[5])) || !(unknown-#length-unknown[8] == 9)) || !(unknown-#length-unknown[3] == 12)) || !(\valid[0] == 0)) || !(methaneLevelCritical == 0)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(\valid[1] == 1)) || (((((pumpRunning == 0 && (((1 == retValue_acc && \result == retValue_acc) && waterLevel < 2) || ((!(waterLevel < 2) && \result == retValue_acc) && 0 == retValue_acc))) && retValue_acc == tmp___0) && retValue_acc == \result) && \result == tmp) && ((tmp == 0 && tmp___0 == 1) || (tmp___0 == 0 && !(tmp == 0))))) || !(\valid[8] == 1)) || !(30 == unknown-#length-unknown[13])) || !(\valid[4] == 1)) || !(#NULL == 0)) || !(\valid[7] == 1)) || !(\valid[10] == 1)) || !(\valid[14] == 1)) || !(\valid[13] == 1)) || !(30 == unknown-#length-unknown[4])) || !(\valid[2] == 1)) || !(\valid[9] == 1)) || !(head == 0)) || !(cleanupTimeShifts == 4)) - InvariantResult [Line: 741]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 731]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 1) || 0 == systemActive) || pumpRunning == 1) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || 0 == systemActive) || waterLevel == 0)) && ((((((((((((((((((((((((((((((((((((((((((pumpRunning == \old(pumpRunning) || !(unknown-#length-unknown[12] == 25)) || !(\old(pumpRunning) == 0)) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(#NULL == 0)) || !(9 == unknown-#length-unknown[11])) || !(9 == unknown-#length-unknown[5])) || !(30 == unknown-#length-unknown[7])) || !(31 == unknown-#length-unknown[2])) || !(\valid[12] == 1)) || !(2 == unknown-#length-unknown[1])) || !(9 == unknown-#length-unknown[14])) || !(1 == systemActive)) || !(unknown-#length-unknown[15] == 25)) || !(\valid[6] == 1)) || !(0 < unknown-#StackHeapBarrier-unknown)) || !(\valid[3] == 1)) || !(head == 0)) || !(\valid[11] == 1)) || !(unknown-#length-unknown[9] == 21)) || !(30 == unknown-#length-unknown[10])) || !(\valid[15] == 1)) || !(unknown-#length-unknown[6] == 21)) || !(1 == \valid[5])) || !(unknown-#length-unknown[8] == 9)) || !(unknown-#length-unknown[3] == 12)) || !(\valid[0] == 0)) || !(methaneLevelCritical == 0)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(\valid[1] == 1)) || !(\valid[8] == 1)) || !(30 == unknown-#length-unknown[13])) || !(\valid[4] == 1)) || !(#NULL == 0)) || !(\valid[7] == 1)) || !(\valid[10] == 1)) || !(\valid[14] == 1)) || !(\valid[13] == 1)) || !(30 == unknown-#length-unknown[4])) || !(\valid[2] == 1)) || !(\valid[9] == 1)) || !(head == 0)) || !(cleanupTimeShifts == 4))) && ((!(pumpRunning == 0) || \old(pumpRunning) == 0) || 0 == systemActive) RESULT: Ultimate proved your program to be correct! [2022-11-20 20:21:53,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34cdfecf-f133-461b-ab33-cf744099359d/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE