./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product53.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e719a191-d1ea-468c-996b-7c6b15eaf42a/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e719a191-d1ea-468c-996b-7c6b15eaf42a/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e719a191-d1ea-468c-996b-7c6b15eaf42a/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e719a191-d1ea-468c-996b-7c6b15eaf42a/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product53.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e719a191-d1ea-468c-996b-7c6b15eaf42a/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e719a191-d1ea-468c-996b-7c6b15eaf42a/bin/uautomizer-TMbwUNV5ro --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e1c4d106eb612b91999bdca4bb49f57df1223b70f35ecd881d6daa6062cb1b0b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 20:50:25,636 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:50:25,638 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:50:25,673 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:50:25,673 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:50:25,675 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:50:25,676 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:50:25,680 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:50:25,688 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:50:25,694 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:50:25,695 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:50:25,698 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:50:25,699 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:50:25,701 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:50:25,704 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:50:25,705 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:50:25,706 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:50:25,707 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:50:25,709 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:50:25,711 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:50:25,712 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:50:25,716 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:50:25,720 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:50:25,721 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:50:25,734 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:50:25,734 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:50:25,734 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:50:25,736 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:50:25,737 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:50:25,738 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:50:25,738 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:50:25,739 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:50:25,741 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:50:25,742 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:50:25,743 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:50:25,744 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:50:25,744 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:50:25,745 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:50:25,745 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:50:25,746 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:50:25,747 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:50:25,748 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e719a191-d1ea-468c-996b-7c6b15eaf42a/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-18 20:50:25,788 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:50:25,788 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:50:25,789 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:50:25,789 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:50:25,790 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:50:25,790 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:50:25,791 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:50:25,791 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:50:25,792 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:50:25,792 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:50:25,793 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 20:50:25,793 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:50:25,794 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 20:50:25,794 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:50:25,794 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:50:25,794 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:50:25,795 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:50:25,795 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 20:50:25,795 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:50:25,795 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:50:25,796 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:50:25,796 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:50:25,796 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:50:25,796 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:50:25,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:50:25,797 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:50:25,797 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:50:25,798 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:50:25,798 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:50:25,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:50:25,798 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:50:25,799 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:50:25,799 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:50:25,799 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_e719a191-d1ea-468c-996b-7c6b15eaf42a/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e719a191-d1ea-468c-996b-7c6b15eaf42a/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1c4d106eb612b91999bdca4bb49f57df1223b70f35ecd881d6daa6062cb1b0b [2022-11-18 20:50:26,129 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:50:26,160 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:50:26,163 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:50:26,165 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:50:26,166 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:50:26,167 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e719a191-d1ea-468c-996b-7c6b15eaf42a/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/product-lines/minepump_spec3_product53.cil.c [2022-11-18 20:50:26,248 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e719a191-d1ea-468c-996b-7c6b15eaf42a/bin/uautomizer-TMbwUNV5ro/data/c121e015d/557d8c2b766f42e59da83d224d64b950/FLAGc55468de5 [2022-11-18 20:50:26,868 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:50:26,869 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e719a191-d1ea-468c-996b-7c6b15eaf42a/sv-benchmarks/c/product-lines/minepump_spec3_product53.cil.c [2022-11-18 20:50:26,886 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e719a191-d1ea-468c-996b-7c6b15eaf42a/bin/uautomizer-TMbwUNV5ro/data/c121e015d/557d8c2b766f42e59da83d224d64b950/FLAGc55468de5 [2022-11-18 20:50:27,113 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e719a191-d1ea-468c-996b-7c6b15eaf42a/bin/uautomizer-TMbwUNV5ro/data/c121e015d/557d8c2b766f42e59da83d224d64b950 [2022-11-18 20:50:27,117 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:50:27,120 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:50:27,123 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:50:27,124 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:50:27,128 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:50:27,129 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:50:27" (1/1) ... [2022-11-18 20:50:27,131 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ec900b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:50:27, skipping insertion in model container [2022-11-18 20:50:27,132 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:50:27" (1/1) ... [2022-11-18 20:50:27,140 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:50:27,216 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:50:27,448 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e719a191-d1ea-468c-996b-7c6b15eaf42a/sv-benchmarks/c/product-lines/minepump_spec3_product53.cil.c[1605,1618] [2022-11-18 20:50:27,588 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:50:27,597 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:50:27,611 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e719a191-d1ea-468c-996b-7c6b15eaf42a/sv-benchmarks/c/product-lines/minepump_spec3_product53.cil.c[1605,1618] [2022-11-18 20:50:27,718 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:50:27,742 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:50:27,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:50:27 WrapperNode [2022-11-18 20:50:27,743 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:50:27,744 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:50:27,745 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:50:27,745 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:50:27,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:50:27" (1/1) ... [2022-11-18 20:50:27,781 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:50:27" (1/1) ... [2022-11-18 20:50:27,825 INFO L138 Inliner]: procedures = 56, calls = 103, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 225 [2022-11-18 20:50:27,825 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:50:27,826 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:50:27,826 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:50:27,827 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:50:27,837 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:50:27" (1/1) ... [2022-11-18 20:50:27,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:50:27" (1/1) ... [2022-11-18 20:50:27,851 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:50:27" (1/1) ... [2022-11-18 20:50:27,853 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:50:27" (1/1) ... [2022-11-18 20:50:27,862 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:50:27" (1/1) ... [2022-11-18 20:50:27,867 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:50:27" (1/1) ... [2022-11-18 20:50:27,869 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:50:27" (1/1) ... [2022-11-18 20:50:27,879 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:50:27" (1/1) ... [2022-11-18 20:50:27,893 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:50:27,894 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:50:27,895 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:50:27,895 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:50:27,896 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:50:27" (1/1) ... [2022-11-18 20:50:27,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:50:27,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e719a191-d1ea-468c-996b-7c6b15eaf42a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:50:27,932 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e719a191-d1ea-468c-996b-7c6b15eaf42a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:50:27,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e719a191-d1ea-468c-996b-7c6b15eaf42a/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:50:27,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:50:27,986 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-18 20:50:27,986 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-18 20:50:27,986 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-18 20:50:27,986 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-18 20:50:27,987 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-18 20:50:27,987 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-18 20:50:27,987 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-18 20:50:27,987 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-18 20:50:27,988 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-11-18 20:50:27,988 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-11-18 20:50:27,988 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-18 20:50:27,988 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-18 20:50:27,988 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2022-11-18 20:50:27,988 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2022-11-18 20:50:27,988 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-18 20:50:27,989 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-18 20:50:27,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:50:27,989 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-18 20:50:27,989 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-18 20:50:27,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:50:27,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:50:28,076 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:50:28,079 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:50:28,524 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:50:28,532 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:50:28,532 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-18 20:50:28,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:50:28 BoogieIcfgContainer [2022-11-18 20:50:28,535 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:50:28,538 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:50:28,539 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:50:28,553 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:50:28,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:50:27" (1/3) ... [2022-11-18 20:50:28,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61882a34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:50:28, skipping insertion in model container [2022-11-18 20:50:28,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:50:27" (2/3) ... [2022-11-18 20:50:28,556 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61882a34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:50:28, skipping insertion in model container [2022-11-18 20:50:28,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:50:28" (3/3) ... [2022-11-18 20:50:28,564 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product53.cil.c [2022-11-18 20:50:28,585 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:50:28,586 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 20:50:28,656 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:50:28,664 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=PETRI_NET, 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;@2dc2a0c2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:50:28,664 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 20:50:28,669 INFO L276 IsEmpty]: Start isEmpty. Operand has 102 states, 75 states have (on average 1.3866666666666667) internal successors, (104), 85 states have internal predecessors, (104), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-18 20:50:28,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-18 20:50:28,681 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:50:28,682 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] [2022-11-18 20:50:28,683 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:50:28,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:50:28,689 INFO L85 PathProgramCache]: Analyzing trace with hash 1763060088, now seen corresponding path program 1 times [2022-11-18 20:50:28,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:50:28,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322743680] [2022-11-18 20:50:28,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:50:28,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:50:28,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:28,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:50:28,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:29,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:50:29,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:50:29,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322743680] [2022-11-18 20:50:29,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322743680] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:50:29,004 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:50:29,004 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:50:29,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332527631] [2022-11-18 20:50:29,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:50:29,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-18 20:50:29,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:50:29,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-18 20:50:29,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 20:50:29,051 INFO L87 Difference]: Start difference. First operand has 102 states, 75 states have (on average 1.3866666666666667) internal successors, (104), 85 states have internal predecessors, (104), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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) [2022-11-18 20:50:29,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:50:29,133 INFO L93 Difference]: Finished difference Result 196 states and 267 transitions. [2022-11-18 20:50:29,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 20:50:29,135 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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 25 [2022-11-18 20:50:29,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:50:29,150 INFO L225 Difference]: With dead ends: 196 [2022-11-18 20:50:29,151 INFO L226 Difference]: Without dead ends: 93 [2022-11-18 20:50:29,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 20:50:29,161 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:50:29,163 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:50:29,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-11-18 20:50:29,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2022-11-18 20:50:29,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 68 states have (on average 1.3235294117647058) internal successors, (90), 77 states have internal predecessors, (90), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15) [2022-11-18 20:50:29,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 121 transitions. [2022-11-18 20:50:29,231 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 121 transitions. Word has length 25 [2022-11-18 20:50:29,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:50:29,232 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 121 transitions. [2022-11-18 20:50:29,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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) [2022-11-18 20:50:29,233 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 121 transitions. [2022-11-18 20:50:29,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-18 20:50:29,296 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:50:29,297 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:50:29,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:50:29,298 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:50:29,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:50:29,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1681284877, now seen corresponding path program 1 times [2022-11-18 20:50:29,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:50:29,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506804636] [2022-11-18 20:50:29,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:50:29,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:50:29,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:29,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-18 20:50:29,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:29,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:50:29,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:50:29,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506804636] [2022-11-18 20:50:29,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506804636] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:50:29,479 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:50:29,479 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:50:29,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142630052] [2022-11-18 20:50:29,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:50:29,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:50:29,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:50:29,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:50:29,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:50:29,483 INFO L87 Difference]: Start difference. First operand 93 states and 121 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2022-11-18 20:50:29,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:50:29,502 INFO L93 Difference]: Finished difference Result 152 states and 198 transitions. [2022-11-18 20:50:29,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:50:29,502 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 26 [2022-11-18 20:50:29,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:50:29,504 INFO L225 Difference]: With dead ends: 152 [2022-11-18 20:50:29,504 INFO L226 Difference]: Without dead ends: 84 [2022-11-18 20:50:29,505 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:50:29,506 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 12 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:50:29,514 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 200 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:50:29,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-11-18 20:50:29,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2022-11-18 20:50:29,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 62 states have (on average 1.3387096774193548) internal successors, (83), 71 states have internal predecessors, (83), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 8 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-18 20:50:29,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 109 transitions. [2022-11-18 20:50:29,533 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 109 transitions. Word has length 26 [2022-11-18 20:50:29,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:50:29,534 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 109 transitions. [2022-11-18 20:50:29,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2022-11-18 20:50:29,535 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 109 transitions. [2022-11-18 20:50:29,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-18 20:50:29,537 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:50:29,538 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] [2022-11-18 20:50:29,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:50:29,538 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:50:29,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:50:29,540 INFO L85 PathProgramCache]: Analyzing trace with hash -1900585844, now seen corresponding path program 1 times [2022-11-18 20:50:29,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:50:29,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52768326] [2022-11-18 20:50:29,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:50:29,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:50:29,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:29,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 20:50:29,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:29,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:50:29,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:50:29,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52768326] [2022-11-18 20:50:29,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52768326] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:50:29,674 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:50:29,674 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:50:29,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767959201] [2022-11-18 20:50:29,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:50:29,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:50:29,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:50:29,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:50:29,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:50:29,676 INFO L87 Difference]: Start difference. First operand 84 states and 109 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2022-11-18 20:50:29,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:50:29,696 INFO L93 Difference]: Finished difference Result 161 states and 212 transitions. [2022-11-18 20:50:29,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:50:29,697 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 30 [2022-11-18 20:50:29,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:50:29,698 INFO L225 Difference]: With dead ends: 161 [2022-11-18 20:50:29,698 INFO L226 Difference]: Without dead ends: 84 [2022-11-18 20:50:29,699 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:50:29,701 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 91 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:50:29,702 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 107 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:50:29,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-11-18 20:50:29,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2022-11-18 20:50:29,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 62 states have (on average 1.3225806451612903) internal successors, (82), 71 states have internal predecessors, (82), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 8 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-18 20:50:29,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 108 transitions. [2022-11-18 20:50:29,715 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 108 transitions. Word has length 30 [2022-11-18 20:50:29,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:50:29,716 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 108 transitions. [2022-11-18 20:50:29,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2022-11-18 20:50:29,716 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 108 transitions. [2022-11-18 20:50:29,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-18 20:50:29,718 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:50:29,718 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:50:29,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 20:50:29,719 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:50:29,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:50:29,719 INFO L85 PathProgramCache]: Analyzing trace with hash 810060833, now seen corresponding path program 1 times [2022-11-18 20:50:29,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:50:29,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574725328] [2022-11-18 20:50:29,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:50:29,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:50:29,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:29,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 20:50:29,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:29,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 20:50:29,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:29,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-18 20:50:29,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:29,902 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-18 20:50:29,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:50:29,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574725328] [2022-11-18 20:50:29,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574725328] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:50:29,903 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:50:29,903 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:50:29,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810547994] [2022-11-18 20:50:29,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:50:29,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:50:29,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:50:29,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:50:29,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:50:29,905 INFO L87 Difference]: Start difference. First operand 84 states and 108 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-18 20:50:30,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:50:30,159 INFO L93 Difference]: Finished difference Result 243 states and 317 transitions. [2022-11-18 20:50:30,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:50:30,160 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 43 [2022-11-18 20:50:30,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:50:30,166 INFO L225 Difference]: With dead ends: 243 [2022-11-18 20:50:30,167 INFO L226 Difference]: Without dead ends: 166 [2022-11-18 20:50:30,171 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:50:30,178 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 154 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 20:50:30,179 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 224 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 20:50:30,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2022-11-18 20:50:30,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 160. [2022-11-18 20:50:30,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 120 states have (on average 1.2916666666666667) internal successors, (155), 128 states have internal predecessors, (155), 19 states have call successors, (19), 15 states have call predecessors, (19), 20 states have return successors, (30), 21 states have call predecessors, (30), 19 states have call successors, (30) [2022-11-18 20:50:30,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 204 transitions. [2022-11-18 20:50:30,237 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 204 transitions. Word has length 43 [2022-11-18 20:50:30,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:50:30,238 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 204 transitions. [2022-11-18 20:50:30,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-18 20:50:30,239 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 204 transitions. [2022-11-18 20:50:30,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-18 20:50:30,243 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:50:30,244 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:50:30,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 20:50:30,244 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:50:30,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:50:30,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1861351509, now seen corresponding path program 1 times [2022-11-18 20:50:30,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:50:30,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098742569] [2022-11-18 20:50:30,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:50:30,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:50:30,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:30,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 20:50:30,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:30,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:50:30,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:30,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 20:50:30,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:30,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:50:30,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:50:30,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098742569] [2022-11-18 20:50:30,420 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098742569] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:50:30,420 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:50:30,420 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 20:50:30,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263464594] [2022-11-18 20:50:30,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:50:30,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:50:30,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:50:30,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:50:30,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:50:30,423 INFO L87 Difference]: Start difference. First operand 160 states and 204 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-18 20:50:30,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:50:30,736 INFO L93 Difference]: Finished difference Result 439 states and 590 transitions. [2022-11-18 20:50:30,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-18 20:50:30,737 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 3 states have call successors, (3) Word has length 49 [2022-11-18 20:50:30,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:50:30,739 INFO L225 Difference]: With dead ends: 439 [2022-11-18 20:50:30,739 INFO L226 Difference]: Without dead ends: 286 [2022-11-18 20:50:30,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2022-11-18 20:50:30,742 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 178 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 20:50:30,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 448 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 20:50:30,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2022-11-18 20:50:30,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 253. [2022-11-18 20:50:30,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 191 states have (on average 1.2827225130890052) internal successors, (245), 201 states have internal predecessors, (245), 30 states have call successors, (30), 26 states have call predecessors, (30), 31 states have return successors, (49), 32 states have call predecessors, (49), 30 states have call successors, (49) [2022-11-18 20:50:30,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 324 transitions. [2022-11-18 20:50:30,777 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 324 transitions. Word has length 49 [2022-11-18 20:50:30,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:50:30,778 INFO L495 AbstractCegarLoop]: Abstraction has 253 states and 324 transitions. [2022-11-18 20:50:30,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-18 20:50:30,778 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 324 transitions. [2022-11-18 20:50:30,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-18 20:50:30,779 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:50:30,779 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:50:30,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 20:50:30,780 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:50:30,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:50:30,780 INFO L85 PathProgramCache]: Analyzing trace with hash 1995365015, now seen corresponding path program 1 times [2022-11-18 20:50:30,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:50:30,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674409399] [2022-11-18 20:50:30,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:50:30,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:50:30,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:30,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 20:50:30,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:30,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:50:30,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:30,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 20:50:30,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:30,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:50:30,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:50:30,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674409399] [2022-11-18 20:50:30,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674409399] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:50:30,942 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:50:30,942 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 20:50:30,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223727378] [2022-11-18 20:50:30,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:50:30,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:50:30,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:50:30,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:50:30,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:50:30,944 INFO L87 Difference]: Start difference. First operand 253 states and 324 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-18 20:50:31,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:50:31,157 INFO L93 Difference]: Finished difference Result 513 states and 670 transitions. [2022-11-18 20:50:31,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 20:50:31,158 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 49 [2022-11-18 20:50:31,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:50:31,167 INFO L225 Difference]: With dead ends: 513 [2022-11-18 20:50:31,167 INFO L226 Difference]: Without dead ends: 267 [2022-11-18 20:50:31,169 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-11-18 20:50:31,172 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 73 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:50:31,176 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 427 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:50:31,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2022-11-18 20:50:31,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 259. [2022-11-18 20:50:31,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 197 states have (on average 1.2741116751269035) internal successors, (251), 207 states have internal predecessors, (251), 30 states have call successors, (30), 26 states have call predecessors, (30), 31 states have return successors, (49), 32 states have call predecessors, (49), 30 states have call successors, (49) [2022-11-18 20:50:31,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 330 transitions. [2022-11-18 20:50:31,218 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 330 transitions. Word has length 49 [2022-11-18 20:50:31,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:50:31,219 INFO L495 AbstractCegarLoop]: Abstraction has 259 states and 330 transitions. [2022-11-18 20:50:31,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-18 20:50:31,220 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 330 transitions. [2022-11-18 20:50:31,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-18 20:50:31,222 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:50:31,222 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:50:31,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 20:50:31,223 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:50:31,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:50:31,224 INFO L85 PathProgramCache]: Analyzing trace with hash -2080747563, now seen corresponding path program 1 times [2022-11-18 20:50:31,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:50:31,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303848161] [2022-11-18 20:50:31,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:50:31,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:50:31,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:31,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 20:50:31,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:31,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:50:31,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:31,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-18 20:50:31,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:31,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:50:31,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:50:31,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303848161] [2022-11-18 20:50:31,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303848161] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:50:31,414 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:50:31,414 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 20:50:31,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218711668] [2022-11-18 20:50:31,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:50:31,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:50:31,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:50:31,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:50:31,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:50:31,416 INFO L87 Difference]: Start difference. First operand 259 states and 330 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-18 20:50:31,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:50:31,633 INFO L93 Difference]: Finished difference Result 475 states and 619 transitions. [2022-11-18 20:50:31,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:50:31,634 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 49 [2022-11-18 20:50:31,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:50:31,636 INFO L225 Difference]: With dead ends: 475 [2022-11-18 20:50:31,636 INFO L226 Difference]: Without dead ends: 223 [2022-11-18 20:50:31,637 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:50:31,639 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 170 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:50:31,639 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 263 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:50:31,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2022-11-18 20:50:31,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 218. [2022-11-18 20:50:31,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 165 states have (on average 1.2545454545454546) internal successors, (207), 174 states have internal predecessors, (207), 26 states have call successors, (26), 22 states have call predecessors, (26), 26 states have return successors, (37), 27 states have call predecessors, (37), 26 states have call successors, (37) [2022-11-18 20:50:31,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 270 transitions. [2022-11-18 20:50:31,675 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 270 transitions. Word has length 49 [2022-11-18 20:50:31,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:50:31,678 INFO L495 AbstractCegarLoop]: Abstraction has 218 states and 270 transitions. [2022-11-18 20:50:31,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-18 20:50:31,679 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 270 transitions. [2022-11-18 20:50:31,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-18 20:50:31,685 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:50:31,685 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:50:31,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 20:50:31,686 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:50:31,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:50:31,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1736726981, now seen corresponding path program 1 times [2022-11-18 20:50:31,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:50:31,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690734581] [2022-11-18 20:50:31,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:50:31,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:50:31,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:31,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 20:50:31,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:31,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:50:31,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:31,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:50:31,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:31,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 20:50:31,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:31,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:50:31,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:50:31,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690734581] [2022-11-18 20:50:31,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690734581] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:50:31,804 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:50:31,804 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 20:50:31,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786486529] [2022-11-18 20:50:31,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:50:31,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:50:31,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:50:31,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:50:31,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:50:31,805 INFO L87 Difference]: Start difference. First operand 218 states and 270 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-18 20:50:32,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:50:32,036 INFO L93 Difference]: Finished difference Result 432 states and 535 transitions. [2022-11-18 20:50:32,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 20:50:32,037 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2022-11-18 20:50:32,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:50:32,041 INFO L225 Difference]: With dead ends: 432 [2022-11-18 20:50:32,042 INFO L226 Difference]: Without dead ends: 221 [2022-11-18 20:50:32,042 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:50:32,043 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 127 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 20:50:32,044 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 389 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 20:50:32,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2022-11-18 20:50:32,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 216. [2022-11-18 20:50:32,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 163 states have (on average 1.2453987730061349) internal successors, (203), 172 states have internal predecessors, (203), 26 states have call successors, (26), 22 states have call predecessors, (26), 26 states have return successors, (37), 27 states have call predecessors, (37), 26 states have call successors, (37) [2022-11-18 20:50:32,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 266 transitions. [2022-11-18 20:50:32,071 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 266 transitions. Word has length 51 [2022-11-18 20:50:32,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:50:32,071 INFO L495 AbstractCegarLoop]: Abstraction has 216 states and 266 transitions. [2022-11-18 20:50:32,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-18 20:50:32,072 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 266 transitions. [2022-11-18 20:50:32,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-18 20:50:32,073 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:50:32,073 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:50:32,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 20:50:32,074 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:50:32,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:50:32,074 INFO L85 PathProgramCache]: Analyzing trace with hash 1340244461, now seen corresponding path program 1 times [2022-11-18 20:50:32,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:50:32,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532786482] [2022-11-18 20:50:32,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:50:32,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:50:32,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:32,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 20:50:32,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:32,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 20:50:32,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:32,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:50:32,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:32,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-18 20:50:32,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:32,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:50:32,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:50:32,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532786482] [2022-11-18 20:50:32,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532786482] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:50:32,235 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:50:32,235 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-18 20:50:32,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878855811] [2022-11-18 20:50:32,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:50:32,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 20:50:32,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:50:32,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 20:50:32,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:50:32,238 INFO L87 Difference]: Start difference. First operand 216 states and 266 transitions. Second operand has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-18 20:50:32,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:50:32,831 INFO L93 Difference]: Finished difference Result 433 states and 540 transitions. [2022-11-18 20:50:32,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-18 20:50:32,832 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 53 [2022-11-18 20:50:32,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:50:32,834 INFO L225 Difference]: With dead ends: 433 [2022-11-18 20:50:32,834 INFO L226 Difference]: Without dead ends: 275 [2022-11-18 20:50:32,835 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=175, Invalid=425, Unknown=0, NotChecked=0, Total=600 [2022-11-18 20:50:32,837 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 438 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 432 mSolverCounterSat, 159 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 442 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 159 IncrementalHoareTripleChecker+Valid, 432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-18 20:50:32,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [442 Valid, 410 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [159 Valid, 432 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-18 20:50:32,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2022-11-18 20:50:32,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 218. [2022-11-18 20:50:32,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 164 states have (on average 1.2073170731707317) internal successors, (198), 174 states have internal predecessors, (198), 26 states have call successors, (26), 22 states have call predecessors, (26), 27 states have return successors, (32), 27 states have call predecessors, (32), 26 states have call successors, (32) [2022-11-18 20:50:32,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 256 transitions. [2022-11-18 20:50:32,866 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 256 transitions. Word has length 53 [2022-11-18 20:50:32,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:50:32,867 INFO L495 AbstractCegarLoop]: Abstraction has 218 states and 256 transitions. [2022-11-18 20:50:32,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-18 20:50:32,867 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 256 transitions. [2022-11-18 20:50:32,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-18 20:50:32,868 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:50:32,868 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:50:32,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-18 20:50:32,869 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:50:32,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:50:32,869 INFO L85 PathProgramCache]: Analyzing trace with hash -768900197, now seen corresponding path program 1 times [2022-11-18 20:50:32,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:50:32,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364131430] [2022-11-18 20:50:32,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:50:32,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:50:32,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:32,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 20:50:32,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:32,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 20:50:32,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:32,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:50:32,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:33,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:50:33,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:33,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 20:50:33,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:33,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:50:33,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:50:33,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364131430] [2022-11-18 20:50:33,022 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364131430] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:50:33,022 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:50:33,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 20:50:33,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388804316] [2022-11-18 20:50:33,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:50:33,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 20:50:33,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:50:33,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 20:50:33,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:50:33,026 INFO L87 Difference]: Start difference. First operand 218 states and 256 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-18 20:50:33,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:50:33,333 INFO L93 Difference]: Finished difference Result 417 states and 499 transitions. [2022-11-18 20:50:33,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 20:50:33,334 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 55 [2022-11-18 20:50:33,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:50:33,337 INFO L225 Difference]: With dead ends: 417 [2022-11-18 20:50:33,337 INFO L226 Difference]: Without dead ends: 257 [2022-11-18 20:50:33,338 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-11-18 20:50:33,338 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 156 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 20:50:33,340 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 316 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 20:50:33,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2022-11-18 20:50:33,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 218. [2022-11-18 20:50:33,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 164 states have (on average 1.201219512195122) internal successors, (197), 174 states have internal predecessors, (197), 26 states have call successors, (26), 22 states have call predecessors, (26), 27 states have return successors, (32), 27 states have call predecessors, (32), 26 states have call successors, (32) [2022-11-18 20:50:33,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 255 transitions. [2022-11-18 20:50:33,394 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 255 transitions. Word has length 55 [2022-11-18 20:50:33,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:50:33,395 INFO L495 AbstractCegarLoop]: Abstraction has 218 states and 255 transitions. [2022-11-18 20:50:33,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-18 20:50:33,396 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 255 transitions. [2022-11-18 20:50:33,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-18 20:50:33,397 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:50:33,397 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:50:33,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-18 20:50:33,398 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:50:33,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:50:33,399 INFO L85 PathProgramCache]: Analyzing trace with hash -696926305, now seen corresponding path program 1 times [2022-11-18 20:50:33,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:50:33,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726588779] [2022-11-18 20:50:33,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:50:33,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:50:33,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:33,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 20:50:33,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:33,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-18 20:50:33,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:33,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:50:33,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:33,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:50:33,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:33,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 20:50:33,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:33,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:50:33,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:50:33,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726588779] [2022-11-18 20:50:33,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726588779] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:50:33,541 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:50:33,541 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-18 20:50:33,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20428509] [2022-11-18 20:50:33,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:50:33,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 20:50:33,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:50:33,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 20:50:33,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-18 20:50:33,543 INFO L87 Difference]: Start difference. First operand 218 states and 255 transitions. Second operand has 8 states, 8 states have (on average 5.5) internal successors, (44), 6 states have internal predecessors, (44), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-11-18 20:50:34,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:50:34,101 INFO L93 Difference]: Finished difference Result 536 states and 657 transitions. [2022-11-18 20:50:34,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-18 20:50:34,101 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 6 states have internal predecessors, (44), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 55 [2022-11-18 20:50:34,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:50:34,104 INFO L225 Difference]: With dead ends: 536 [2022-11-18 20:50:34,104 INFO L226 Difference]: Without dead ends: 376 [2022-11-18 20:50:34,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=132, Invalid=330, Unknown=0, NotChecked=0, Total=462 [2022-11-18 20:50:34,106 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 388 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 417 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 393 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-18 20:50:34,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [393 Valid, 343 Invalid, 573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 417 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-18 20:50:34,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2022-11-18 20:50:34,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 347. [2022-11-18 20:50:34,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 259 states have (on average 1.193050193050193) internal successors, (309), 275 states have internal predecessors, (309), 46 states have call successors, (46), 35 states have call predecessors, (46), 41 states have return successors, (60), 44 states have call predecessors, (60), 46 states have call successors, (60) [2022-11-18 20:50:34,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 415 transitions. [2022-11-18 20:50:34,150 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 415 transitions. Word has length 55 [2022-11-18 20:50:34,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:50:34,151 INFO L495 AbstractCegarLoop]: Abstraction has 347 states and 415 transitions. [2022-11-18 20:50:34,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 6 states have internal predecessors, (44), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-11-18 20:50:34,152 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 415 transitions. [2022-11-18 20:50:34,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-18 20:50:34,154 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:50:34,154 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:50:34,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-18 20:50:34,155 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:50:34,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:50:34,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1626295211, now seen corresponding path program 1 times [2022-11-18 20:50:34,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:50:34,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035772461] [2022-11-18 20:50:34,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:50:34,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:50:34,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:34,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-18 20:50:34,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:34,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-18 20:50:34,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:34,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:50:34,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:34,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:50:34,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:34,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 20:50:34,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:34,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-11-18 20:50:34,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:34,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-18 20:50:34,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:34,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-18 20:50:34,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:34,423 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-18 20:50:34,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:50:34,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035772461] [2022-11-18 20:50:34,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035772461] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:50:34,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1363271741] [2022-11-18 20:50:34,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:50:34,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:50:34,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e719a191-d1ea-468c-996b-7c6b15eaf42a/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:50:34,434 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e719a191-d1ea-468c-996b-7c6b15eaf42a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:50:34,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e719a191-d1ea-468c-996b-7c6b15eaf42a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-18 20:50:34,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:34,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-18 20:50:34,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:50:34,891 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-18 20:50:34,891 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:50:35,282 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-18 20:50:35,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1363271741] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:50:35,283 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:50:35,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8, 9] total 20 [2022-11-18 20:50:35,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491036706] [2022-11-18 20:50:35,283 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:50:35,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-18 20:50:35,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:50:35,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-18 20:50:35,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2022-11-18 20:50:35,285 INFO L87 Difference]: Start difference. First operand 347 states and 415 transitions. Second operand has 20 states, 20 states have (on average 6.6) internal successors, (132), 14 states have internal predecessors, (132), 6 states have call successors, (25), 10 states have call predecessors, (25), 8 states have return successors, (22), 8 states have call predecessors, (22), 6 states have call successors, (22) [2022-11-18 20:50:37,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:50:37,220 INFO L93 Difference]: Finished difference Result 1073 states and 1374 transitions. [2022-11-18 20:50:37,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-11-18 20:50:37,221 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 6.6) internal successors, (132), 14 states have internal predecessors, (132), 6 states have call successors, (25), 10 states have call predecessors, (25), 8 states have return successors, (22), 8 states have call predecessors, (22), 6 states have call successors, (22) Word has length 89 [2022-11-18 20:50:37,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:50:37,222 INFO L225 Difference]: With dead ends: 1073 [2022-11-18 20:50:37,223 INFO L226 Difference]: Without dead ends: 0 [2022-11-18 20:50:37,226 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 187 SyntacticMatches, 7 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1217 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1031, Invalid=3525, Unknown=0, NotChecked=0, Total=4556 [2022-11-18 20:50:37,227 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 738 mSDsluCounter, 691 mSDsCounter, 0 mSdLazyCounter, 1423 mSolverCounterSat, 369 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 740 SdHoareTripleChecker+Valid, 763 SdHoareTripleChecker+Invalid, 1792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 369 IncrementalHoareTripleChecker+Valid, 1423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:50:37,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [740 Valid, 763 Invalid, 1792 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [369 Valid, 1423 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-18 20:50:37,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-18 20:50:37,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-18 20:50:37,229 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) [2022-11-18 20:50:37,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-18 20:50:37,230 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2022-11-18 20:50:37,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:50:37,230 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:50:37,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 6.6) internal successors, (132), 14 states have internal predecessors, (132), 6 states have call successors, (25), 10 states have call predecessors, (25), 8 states have return successors, (22), 8 states have call predecessors, (22), 6 states have call successors, (22) [2022-11-18 20:50:37,230 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-18 20:50:37,231 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-18 20:50:37,233 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-18 20:50:37,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e719a191-d1ea-468c-996b-7c6b15eaf42a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-18 20:50:37,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e719a191-d1ea-468c-996b-7c6b15eaf42a/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:50:37,442 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-18 20:50:42,318 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 296 303) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))) [2022-11-18 20:50:42,319 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 296 303) no Hoare annotation was computed. [2022-11-18 20:50:42,319 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 296 303) no Hoare annotation was computed. [2022-11-18 20:50:42,319 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 203 209) no Hoare annotation was computed. [2022-11-18 20:50:42,319 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 203 209) the Hoare annotation is: true [2022-11-18 20:50:42,319 INFO L899 garLoopResultBuilder]: For program point L430-1(lines 426 437) no Hoare annotation was computed. [2022-11-18 20:50:42,320 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 426 437) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= |old(~methaneLevelCritical~0)| 0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 (not (<= 1 ~pumpRunning~0)) .cse3) (or (not (= ~pumpRunning~0 0)) .cse0 .cse1 .cse2 .cse3))) [2022-11-18 20:50:42,320 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 426 437) no Hoare annotation was computed. [2022-11-18 20:50:42,320 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 438 446) the Hoare annotation is: true [2022-11-18 20:50:42,320 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 438 446) no Hoare annotation was computed. [2022-11-18 20:50:42,320 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 438 446) no Hoare annotation was computed. [2022-11-18 20:50:42,320 INFO L902 garLoopResultBuilder]: At program point L929(lines 904 933) the Hoare annotation is: true [2022-11-18 20:50:42,321 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 904 933) no Hoare annotation was computed. [2022-11-18 20:50:42,321 INFO L899 garLoopResultBuilder]: For program point L925(line 925) no Hoare annotation was computed. [2022-11-18 20:50:42,321 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 904 933) the Hoare annotation is: true [2022-11-18 20:50:42,321 INFO L899 garLoopResultBuilder]: For program point L918(lines 918 922) no Hoare annotation was computed. [2022-11-18 20:50:42,321 INFO L902 garLoopResultBuilder]: At program point L918-1(lines 918 922) the Hoare annotation is: true [2022-11-18 20:50:42,322 INFO L899 garLoopResultBuilder]: For program point L915(line 915) no Hoare annotation was computed. [2022-11-18 20:50:42,322 INFO L902 garLoopResultBuilder]: At program point L914-2(lines 914 928) the Hoare annotation is: true [2022-11-18 20:50:42,322 INFO L902 garLoopResultBuilder]: At program point L910(line 910) the Hoare annotation is: true [2022-11-18 20:50:42,322 INFO L899 garLoopResultBuilder]: For program point L910-1(line 910) no Hoare annotation was computed. [2022-11-18 20:50:42,322 INFO L895 garLoopResultBuilder]: At program point L320(lines 315 323) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2) (or .cse0 (and (<= 1 ~pumpRunning~0) (not (= |timeShift_isPumpRunning_#res#1| 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (= |timeShift___utac_acc__Specification3_spec__1_~tmp~6#1| 0)) .cse1 .cse2) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse2))) [2022-11-18 20:50:42,323 INFO L895 garLoopResultBuilder]: At program point L510(line 510) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (<= ~waterLevel~0 1)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (= 1 ~systemActive~0))) (let ((.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not .cse9)) (.cse7 (and .cse1 .cse4 .cse2 .cse9 .cse8)) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (let ((.cse3 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse0 (and .cse1 .cse2 .cse3) (not (<= 1 |old(~pumpRunning~0)|)) (and .cse4 .cse2 .cse3) .cse5)) (or (not (<= |old(~waterLevel~0)| 1)) .cse6 .cse0 .cse7) (or .cse6 .cse0 .cse7 (and (<= 1 ~pumpRunning~0) .cse8) .cse5)))) [2022-11-18 20:50:42,323 INFO L899 garLoopResultBuilder]: For program point L510-1(line 510) no Hoare annotation was computed. [2022-11-18 20:50:42,323 INFO L899 garLoopResultBuilder]: For program point L271(lines 271 279) no Hoare annotation was computed. [2022-11-18 20:50:42,323 INFO L899 garLoopResultBuilder]: For program point L267(lines 267 284) no Hoare annotation was computed. [2022-11-18 20:50:42,323 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 179 202) no Hoare annotation was computed. [2022-11-18 20:50:42,324 INFO L895 garLoopResultBuilder]: At program point L309(line 309) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|)) (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-11-18 20:50:42,324 INFO L899 garLoopResultBuilder]: For program point L309-1(line 309) no Hoare annotation was computed. [2022-11-18 20:50:42,324 INFO L899 garLoopResultBuilder]: For program point L512(lines 512 532) no Hoare annotation was computed. [2022-11-18 20:50:42,324 INFO L899 garLoopResultBuilder]: For program point L190-1(lines 190 196) no Hoare annotation was computed. [2022-11-18 20:50:42,325 INFO L895 garLoopResultBuilder]: At program point L475(lines 470 478) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0))) (let ((.cse12 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (= ~pumpRunning~0 0)) (.cse5 (or (not .cse1) (= |timeShift___utac_acc__Specification3_spec__1_~tmp~6#1| 0))) (.cse9 (<= ~waterLevel~0 1)) (.cse13 (= 1 ~systemActive~0)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse11 (<= |timeShift_getWaterLevel_#res#1| 1))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (and .cse12 .cse8 .cse5 .cse9 .cse13 .cse6 .cse11)) (.cse2 (not .cse13)) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse2 .cse4) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse2 (= |timeShift_getWaterLevel_#res#1| 1)) (or .cse0 (and (<= 1 ~pumpRunning~0) .cse5 .cse6) .cse2 .cse4 .cse3) (let ((.cse10 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse2 .cse7 (and .cse8 .cse5 .cse9 .cse10 .cse11) .cse3 (and .cse12 .cse5 .cse9 .cse10 .cse11))) (or .cse1 .cse2 .cse7 .cse3))))) [2022-11-18 20:50:42,325 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2022-11-18 20:50:42,325 INFO L895 garLoopResultBuilder]: At program point L277(line 277) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|)) (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-11-18 20:50:42,325 INFO L895 garLoopResultBuilder]: At program point L273(line 273) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|)) (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-11-18 20:50:42,326 INFO L895 garLoopResultBuilder]: At program point L282(line 282) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 .cse1) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1))) [2022-11-18 20:50:42,326 INFO L895 garLoopResultBuilder]: At program point L282-1(lines 263 287) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (<= ~waterLevel~0 1)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (= 1 ~systemActive~0))) (let ((.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not .cse9)) (.cse7 (and .cse1 .cse4 .cse2 .cse9 .cse8)) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (let ((.cse3 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse0 (and .cse1 .cse2 .cse3) (not (<= 1 |old(~pumpRunning~0)|)) (and .cse4 .cse2 .cse3) .cse5)) (or (not (<= |old(~waterLevel~0)| 1)) .cse6 .cse0 .cse7) (or .cse6 .cse0 .cse7 (and (<= 1 ~pumpRunning~0) .cse8) .cse5)))) [2022-11-18 20:50:42,326 INFO L895 garLoopResultBuilder]: At program point L311(lines 304 314) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|)) (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-11-18 20:50:42,326 INFO L895 garLoopResultBuilder]: At program point L55(lines 50 57) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-11-18 20:50:42,327 INFO L899 garLoopResultBuilder]: For program point L406(lines 406 410) no Hoare annotation was computed. [2022-11-18 20:50:42,327 INFO L899 garLoopResultBuilder]: For program point L183-1(lines 182 201) no Hoare annotation was computed. [2022-11-18 20:50:42,327 INFO L895 garLoopResultBuilder]: At program point L406-2(lines 402 413) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|)) (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-11-18 20:50:42,327 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 179 202) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) .cse2) (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) .cse1) .cse0 .cse2))) [2022-11-18 20:50:42,328 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 179 202) no Hoare annotation was computed. [2022-11-18 20:50:42,328 INFO L899 garLoopResultBuilder]: For program point L522(lines 522 528) no Hoare annotation was computed. [2022-11-18 20:50:42,328 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2022-11-18 20:50:42,328 INFO L899 garLoopResultBuilder]: For program point L518(lines 518 531) no Hoare annotation was computed. [2022-11-18 20:50:42,328 INFO L895 garLoopResultBuilder]: At program point L518-1(lines 503 535) the Hoare annotation is: (let ((.cse18 (= ~methaneLevelCritical~0 0))) (let ((.cse21 (not .cse18)) (.cse22 (= |timeShift___utac_acc__Specification3_spec__1_~tmp~6#1| 0))) (let ((.cse20 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse10 (<= 1 ~pumpRunning~0)) (.cse19 (not .cse22)) (.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (or .cse21 .cse22)) (.cse5 (<= ~waterLevel~0 1)) (.cse6 (= 1 ~systemActive~0)) (.cse17 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (<= |timeShift___utac_acc__Specification3_spec__1_~tmp___0~3#1| 1)) (.cse8 (<= |timeShift_getWaterLevel_#res#1| 1))) (let ((.cse15 (and .cse11 .cse3 .cse4 .cse5 .cse6 .cse17 .cse7 .cse8)) (.cse16 (and .cse11 .cse3 .cse5 .cse6 .cse21 .cse19 .cse17)) (.cse2 (and .cse10 .cse11 .cse5 .cse6 .cse21 .cse19)) (.cse9 (and .cse3 .cse5 .cse6 .cse21 .cse19 .cse20)) (.cse14 (not (= |old(~pumpRunning~0)| 0))) (.cse12 (not (<= |old(~waterLevel~0)| 2))) (.cse13 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not .cse6)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) .cse9 (and .cse10 .cse11 .cse4 .cse5 .cse6 .cse7 .cse8) .cse12) (or .cse13 .cse14 .cse15 .cse16 .cse0) (or .cse14 .cse15 .cse16 (and .cse10 .cse4 .cse17) .cse0 .cse12) (or .cse18 .cse0 .cse1 .cse2 .cse9 .cse12) (or .cse14 .cse18 .cse0 .cse19 .cse12) (or .cse13 .cse0 .cse1 .cse20)))))) [2022-11-18 20:50:42,329 INFO L899 garLoopResultBuilder]: For program point L985(lines 985 992) no Hoare annotation was computed. [2022-11-18 20:50:42,329 INFO L899 garLoopResultBuilder]: For program point L985-2(lines 985 992) no Hoare annotation was computed. [2022-11-18 20:50:42,329 INFO L899 garLoopResultBuilder]: For program point L147(lines 147 151) no Hoare annotation was computed. [2022-11-18 20:50:42,329 INFO L895 garLoopResultBuilder]: At program point L147-2(lines 141 152) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (<= 1 ~pumpRunning~0) .cse0 .cse1 .cse2) (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2))) [2022-11-18 20:50:42,329 INFO L895 garLoopResultBuilder]: At program point L77(lines 73 79) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-18 20:50:42,330 INFO L899 garLoopResultBuilder]: For program point L131(lines 131 137) no Hoare annotation was computed. [2022-11-18 20:50:42,330 INFO L899 garLoopResultBuilder]: For program point L131-1(lines 131 137) no Hoare annotation was computed. [2022-11-18 20:50:42,330 INFO L902 garLoopResultBuilder]: At program point L994(lines 975 997) the Hoare annotation is: true [2022-11-18 20:50:42,330 INFO L902 garLoopResultBuilder]: At program point L160(lines 101 164) the Hoare annotation is: true [2022-11-18 20:50:42,330 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-18 20:50:42,330 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-18 20:50:42,331 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-18 20:50:42,331 INFO L895 garLoopResultBuilder]: At program point L123(line 123) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (<= 1 ~pumpRunning~0) .cse0 .cse1 (<= ~waterLevel~0 2)) (and (= ~pumpRunning~0 0) (<= ~waterLevel~0 1) .cse0 .cse1))) [2022-11-18 20:50:42,331 INFO L895 garLoopResultBuilder]: At program point L962(lines 958 964) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-18 20:50:42,331 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-18 20:50:42,331 INFO L895 garLoopResultBuilder]: At program point L157(lines 110 158) the Hoare annotation is: false [2022-11-18 20:50:42,331 INFO L899 garLoopResultBuilder]: For program point L112(lines 111 156) no Hoare annotation was computed. [2022-11-18 20:50:42,332 INFO L899 garLoopResultBuilder]: For program point L141(lines 141 152) no Hoare annotation was computed. [2022-11-18 20:50:42,332 INFO L895 garLoopResultBuilder]: At program point L133(line 133) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (<= 1 ~pumpRunning~0) .cse0 .cse1 .cse2) (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2))) [2022-11-18 20:50:42,332 INFO L895 garLoopResultBuilder]: At program point L92(lines 87 95) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-18 20:50:42,332 INFO L895 garLoopResultBuilder]: At program point L154(lines 111 156) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (<= 1 ~pumpRunning~0) .cse0 .cse1 (<= ~waterLevel~0 2)) (and (= ~pumpRunning~0 0) (<= ~waterLevel~0 1) .cse0 .cse1))) [2022-11-18 20:50:42,332 INFO L899 garLoopResultBuilder]: For program point L121(lines 121 127) no Hoare annotation was computed. [2022-11-18 20:50:42,333 INFO L899 garLoopResultBuilder]: For program point L121-1(lines 121 127) no Hoare annotation was computed. [2022-11-18 20:50:42,333 INFO L895 garLoopResultBuilder]: At program point L84(lines 80 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-18 20:50:42,333 INFO L899 garLoopResultBuilder]: For program point L113(lines 113 117) no Hoare annotation was computed. [2022-11-18 20:50:42,333 INFO L902 garLoopResultBuilder]: At program point L972(lines 965 974) the Hoare annotation is: true [2022-11-18 20:50:42,333 INFO L895 garLoopResultBuilder]: At program point L225(line 225) the Hoare annotation is: (let ((.cse2 (<= ~waterLevel~0 1)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= ~waterLevel~0 2)) (and (= ~pumpRunning~0 0) .cse2 (= |processEnvironment__wrappee__highWaterSensor_~tmp~1#1| 0))) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) (not .cse2)) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 (and (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~4#1| 0)))))) [2022-11-18 20:50:42,334 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 211 235) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (not (<= ~waterLevel~0 2))) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))))) [2022-11-18 20:50:42,334 INFO L899 garLoopResultBuilder]: For program point L219(lines 219 227) no Hoare annotation was computed. [2022-11-18 20:50:42,334 INFO L899 garLoopResultBuilder]: For program point L215(lines 215 232) no Hoare annotation was computed. [2022-11-18 20:50:42,334 INFO L895 garLoopResultBuilder]: At program point L488(lines 479 492) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse5 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) (.cse7 (= 1 ~systemActive~0)) (.cse6 (<= ~waterLevel~0 1))) (let ((.cse3 (not .cse6)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not .cse7)) (.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4 .cse6 (not .cse5) .cse7))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse3) (or .cse0 .cse1 .cse2 (and .cse4 .cse5) (not (<= ~waterLevel~0 2)))))) [2022-11-18 20:50:42,335 INFO L895 garLoopResultBuilder]: At program point L230(line 230) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))))) [2022-11-18 20:50:42,335 INFO L899 garLoopResultBuilder]: For program point L230-1(lines 211 235) no Hoare annotation was computed. [2022-11-18 20:50:42,335 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 211 235) no Hoare annotation was computed. [2022-11-18 20:50:42,335 INFO L895 garLoopResultBuilder]: At program point L375(lines 360 378) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= 1 ~systemActive~0)) (.cse7 (<= ~waterLevel~0 1))) (let ((.cse3 (not .cse7)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not .cse6)) (.cse2 (and .cse4 .cse5 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1| 0) .cse7 (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) .cse6 (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~4#1| 0)) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse3) (or .cse0 (and .cse4 .cse5 .cse6 (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1|)) .cse1 (not (<= ~waterLevel~0 2)) .cse2)))) [2022-11-18 20:50:42,335 INFO L899 garLoopResultBuilder]: For program point L369(lines 369 373) no Hoare annotation was computed. [2022-11-18 20:50:42,335 INFO L899 garLoopResultBuilder]: For program point L369-2(lines 369 373) no Hoare annotation was computed. [2022-11-18 20:50:42,336 INFO L895 garLoopResultBuilder]: At program point L293(lines 288 295) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 1)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse2 .cse0 (not (<= ~waterLevel~0 2)) (and (<= 1 ~pumpRunning~0) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1|) (<= 1 |processEnvironment__wrappee__highWaterSensor_~tmp~1#1|))) (or .cse2 .cse0 .cse1))) [2022-11-18 20:50:42,336 INFO L899 garLoopResultBuilder]: For program point L483(lines 483 489) no Hoare annotation was computed. [2022-11-18 20:50:42,336 INFO L899 garLoopResultBuilder]: For program point L418-1(lines 414 425) no Hoare annotation was computed. [2022-11-18 20:50:42,336 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 414 425) no Hoare annotation was computed. [2022-11-18 20:50:42,336 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 414 425) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (not (<= 1 ~pumpRunning~0)) .cse1 (not (<= |old(~waterLevel~0)| 2))) (or (not (<= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0)) .cse0 .cse1))) [2022-11-18 20:50:42,337 INFO L895 garLoopResultBuilder]: At program point L256(line 256) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (not (<= ~waterLevel~0 2))))) [2022-11-18 20:50:42,337 INFO L899 garLoopResultBuilder]: For program point L256-1(lines 237 261) no Hoare annotation was computed. [2022-11-18 20:50:42,337 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 237 261) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (not (<= ~waterLevel~0 2))) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))))) [2022-11-18 20:50:42,337 INFO L895 garLoopResultBuilder]: At program point L498(lines 493 501) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))))) [2022-11-18 20:50:42,337 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 237 261) no Hoare annotation was computed. [2022-11-18 20:50:42,338 INFO L895 garLoopResultBuilder]: At program point L251(line 251) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))))) [2022-11-18 20:50:42,338 INFO L895 garLoopResultBuilder]: At program point L247(line 247) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))))) [2022-11-18 20:50:42,338 INFO L899 garLoopResultBuilder]: For program point L245(lines 245 253) no Hoare annotation was computed. [2022-11-18 20:50:42,338 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 258) no Hoare annotation was computed. [2022-11-18 20:50:42,339 INFO L895 garLoopResultBuilder]: At program point L394(lines 379 397) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))))) [2022-11-18 20:50:42,339 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 392) no Hoare annotation was computed. [2022-11-18 20:50:42,339 INFO L899 garLoopResultBuilder]: For program point L388-2(lines 388 392) no Hoare annotation was computed. [2022-11-18 20:50:42,342 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:50:42,344 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 20:50:42,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:50:42 BoogieIcfgContainer [2022-11-18 20:50:42,405 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 20:50:42,405 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:50:42,406 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:50:42,406 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:50:42,406 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:50:28" (3/4) ... [2022-11-18 20:50:42,410 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 20:50:42,418 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-18 20:50:42,418 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-18 20:50:42,418 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-18 20:50:42,418 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-18 20:50:42,418 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-18 20:50:42,419 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-18 20:50:42,419 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-11-18 20:50:42,420 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-18 20:50:42,420 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2022-11-18 20:50:42,433 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-11-18 20:50:42,434 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-18 20:50:42,434 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-18 20:50:42,435 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 20:50:42,435 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 20:50:42,466 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-11-18 20:50:42,467 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2)) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel)) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) [2022-11-18 20:50:42,469 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(tmp == 0))) || (((((pumpRunning == 0 && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && tmp___0 <= 1) && \result <= 1)) || (((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(tmp == 0)) && waterLevel <= \old(waterLevel))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && tmp___0 <= 1) && \result <= 1)) || !(\old(waterLevel) <= 2)) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel) && tmp___0 <= 1) && \result <= 1)) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(tmp == 0)) && \old(waterLevel) == waterLevel)) || !(1 == systemActive))) && (((((!(\old(pumpRunning) == 0) || (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel) && tmp___0 <= 1) && \result <= 1)) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(tmp == 0)) && \old(waterLevel) == waterLevel)) || ((1 <= pumpRunning && (!(methaneLevelCritical == 0) || tmp == 0)) && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && (((((methaneLevelCritical == 0 || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(tmp == 0))) || (((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(tmp == 0)) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2))) && ((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(tmp == 0)) || !(\old(waterLevel) <= 2))) && (((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || waterLevel <= \old(waterLevel)) [2022-11-18 20:50:42,470 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-11-18 20:50:42,470 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel) && \result <= 1))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || \result == 1)) && ((((!(\old(pumpRunning) == 0) || ((1 <= pumpRunning && (!(methaneLevelCritical == 0) || tmp == 0)) && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel) && \result <= 1)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((((pumpRunning == 0 && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && \result <= 1)) || !(\old(waterLevel) <= 2)) || ((((pumpRunning == \old(pumpRunning) && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && \result <= 1))) && (((methaneLevelCritical == 0 || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) [2022-11-18 20:50:42,470 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) [2022-11-18 20:50:42,471 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && !(\result == 0)) && 1 == systemActive)) || !(waterLevel <= 1)) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && !(\result == 0)) && 1 == systemActive)) || (pumpRunning == 0 && \result == 0)) || !(waterLevel <= 2)) [2022-11-18 20:50:42,472 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) [2022-11-18 20:50:42,472 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 0) || (((1 <= pumpRunning && !(\result == 0)) && \old(waterLevel) == waterLevel) && tmp == 0)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && ((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive))) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) [2022-11-18 20:50:42,472 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && waterLevel <= 1) && !(\result == 0)) && 1 == systemActive) && !(tmp == 0)) && \result == 0)) || !(waterLevel <= 1)) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1))) && ((((!(\old(pumpRunning) == 0) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 == systemActive) && 1 <= \result) && 1 <= tmp___0)) || !(1 == systemActive)) || !(waterLevel <= 2)) || (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && waterLevel <= 1) && !(\result == 0)) && 1 == systemActive) && !(tmp == 0)) && \result == 0)) [2022-11-18 20:50:42,474 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-11-18 20:50:42,475 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) || (((1 <= pumpRunning && 1 <= \result) && 1 <= tmp___0) && 1 <= tmp))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 1)) [2022-11-18 20:50:42,527 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e719a191-d1ea-468c-996b-7c6b15eaf42a/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 20:50:42,527 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:50:42,528 INFO L158 Benchmark]: Toolchain (without parser) took 15408.16ms. Allocated memory was 117.4MB in the beginning and 220.2MB in the end (delta: 102.8MB). Free memory was 82.4MB in the beginning and 86.6MB in the end (delta: -4.3MB). Peak memory consumption was 99.4MB. Max. memory is 16.1GB. [2022-11-18 20:50:42,528 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory was 90.3MB in the beginning and 90.3MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:50:42,528 INFO L158 Benchmark]: CACSL2BoogieTranslator took 620.23ms. Allocated memory is still 117.4MB. Free memory was 82.4MB in the beginning and 85.7MB in the end (delta: -3.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 20:50:42,529 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.13ms. Allocated memory is still 117.4MB. Free memory was 85.7MB in the beginning and 82.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:50:42,529 INFO L158 Benchmark]: Boogie Preprocessor took 67.20ms. Allocated memory is still 117.4MB. Free memory was 82.9MB in the beginning and 81.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:50:42,530 INFO L158 Benchmark]: RCFGBuilder took 640.94ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 64.0MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-18 20:50:42,531 INFO L158 Benchmark]: TraceAbstraction took 13866.80ms. Allocated memory was 117.4MB in the beginning and 220.2MB in the end (delta: 102.8MB). Free memory was 63.3MB in the beginning and 92.9MB in the end (delta: -29.6MB). Peak memory consumption was 102.6MB. Max. memory is 16.1GB. [2022-11-18 20:50:42,532 INFO L158 Benchmark]: Witness Printer took 121.57ms. Allocated memory is still 220.2MB. Free memory was 92.9MB in the beginning and 86.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-18 20:50:42,534 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory was 90.3MB in the beginning and 90.3MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 620.23ms. Allocated memory is still 117.4MB. Free memory was 82.4MB in the beginning and 85.7MB in the end (delta: -3.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.13ms. Allocated memory is still 117.4MB. Free memory was 85.7MB in the beginning and 82.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.20ms. Allocated memory is still 117.4MB. Free memory was 82.9MB in the beginning and 81.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 640.94ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 64.0MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 13866.80ms. Allocated memory was 117.4MB in the beginning and 220.2MB in the end (delta: 102.8MB). Free memory was 63.3MB in the beginning and 92.9MB in the end (delta: -29.6MB). Peak memory consumption was 102.6MB. Max. memory is 16.1GB. * Witness Printer took 121.57ms. Allocated memory is still 220.2MB. Free memory was 92.9MB in the beginning and 86.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 102 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.7s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 4.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2566 SdHoareTripleChecker+Valid, 2.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2525 mSDsluCounter, 4020 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2886 mSDsCounter, 921 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3313 IncrementalHoareTripleChecker+Invalid, 4234 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 921 mSolverCounterUnsat, 1134 mSDtfsCounter, 3313 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 450 GetRequests, 286 SyntacticMatches, 7 SemanticMatches, 157 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1434 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=347occurred in iteration=11, InterpolantAutomatonStates: 145, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 182 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 47 LocationsWithAnnotation, 1364 PreInvPairs, 1631 NumberOfFragments, 1902 HoareAnnotationTreeSize, 1364 FomulaSimplifications, 216 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 47 FomulaSimplificationsInter, 22540 FormulaSimplificationTreeSizeReductionInter, 4.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 663 NumberOfCodeBlocks, 663 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 738 ConstructedInterpolants, 0 QuantifiedInterpolants, 1535 SizeOfPredicates, 4 NumberOfNonLiveVariables, 311 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 60/81 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 470]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel) && \result <= 1))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || \result == 1)) && ((((!(\old(pumpRunning) == 0) || ((1 <= pumpRunning && (!(methaneLevelCritical == 0) || tmp == 0)) && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel) && \result <= 1)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((((pumpRunning == 0 && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && \result <= 1)) || !(\old(waterLevel) <= 2)) || ((((pumpRunning == \old(pumpRunning) && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && \result <= 1))) && (((methaneLevelCritical == 0 || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 379]: Loop Invariant Derived loop invariant: (((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: (((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) || (((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 958]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: (((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) - InvariantResult [Line: 288]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) || (((1 <= pumpRunning && 1 <= \result) && 1 <= tmp___0) && 1 <= tmp))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 1)) - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && !(\result == 0)) && 1 == systemActive)) || !(waterLevel <= 1)) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && !(\result == 0)) && 1 == systemActive)) || (pumpRunning == 0 && \result == 0)) || !(waterLevel <= 2)) - InvariantResult [Line: 315]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 0) || (((1 <= pumpRunning && !(\result == 0)) && \old(waterLevel) == waterLevel) && tmp == 0)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && ((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive))) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2)) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel)) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 360]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && waterLevel <= 1) && !(\result == 0)) && 1 == systemActive) && !(tmp == 0)) && \result == 0)) || !(waterLevel <= 1)) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1))) && ((((!(\old(pumpRunning) == 0) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 == systemActive) && 1 <= \result) && 1 <= tmp___0)) || !(1 == systemActive)) || !(waterLevel <= 2)) || (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && waterLevel <= 1) && !(\result == 0)) && 1 == systemActive) && !(tmp == 0)) && \result == 0)) - InvariantResult [Line: 975]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: ((((((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(tmp == 0))) || (((((pumpRunning == 0 && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && tmp___0 <= 1) && \result <= 1)) || (((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(tmp == 0)) && waterLevel <= \old(waterLevel))) || ((((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && tmp___0 <= 1) && \result <= 1)) || !(\old(waterLevel) <= 2)) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel) && tmp___0 <= 1) && \result <= 1)) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(tmp == 0)) && \old(waterLevel) == waterLevel)) || !(1 == systemActive))) && (((((!(\old(pumpRunning) == 0) || (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && (!(methaneLevelCritical == 0) || tmp == 0)) && waterLevel <= 1) && 1 == systemActive) && \old(waterLevel) == waterLevel) && tmp___0 <= 1) && \result <= 1)) || ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(tmp == 0)) && \old(waterLevel) == waterLevel)) || ((1 <= pumpRunning && (!(methaneLevelCritical == 0) || tmp == 0)) && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && (((((methaneLevelCritical == 0 || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || (((((1 <= pumpRunning && pumpRunning == \old(pumpRunning)) && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(tmp == 0))) || (((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && !(methaneLevelCritical == 0)) && !(tmp == 0)) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2))) && ((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(tmp == 0)) || !(\old(waterLevel) <= 2))) && (((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || waterLevel <= \old(waterLevel)) - InvariantResult [Line: 965]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 914]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-18 20:50:42,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e719a191-d1ea-468c-996b-7c6b15eaf42a/bin/uautomizer-TMbwUNV5ro/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