./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product63.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a 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_1ae767bf-9eb4-44ec-af05-4fe7b00e92ad/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ae767bf-9eb4-44ec-af05-4fe7b00e92ad/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ae767bf-9eb4-44ec-af05-4fe7b00e92ad/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ae767bf-9eb4-44ec-af05-4fe7b00e92ad/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product63.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ae767bf-9eb4-44ec-af05-4fe7b00e92ad/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ae767bf-9eb4-44ec-af05-4fe7b00e92ad/bin/uautomizer-ZsLfNo2U6R --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 bff509ff7af2b9788fd6216f7196709183d48c973cf9a066c9793f96467b2abf --- 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-38b53e6 [2022-11-25 17:06:58,700 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:06:58,702 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:06:58,747 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:06:58,747 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:06:58,751 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:06:58,754 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:06:58,758 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:06:58,760 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:06:58,764 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:06:58,765 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:06:58,766 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:06:58,766 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:06:58,768 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:06:58,769 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:06:58,771 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:06:58,772 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:06:58,773 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:06:58,774 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:06:58,776 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:06:58,778 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:06:58,779 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:06:58,781 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:06:58,782 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:06:58,786 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:06:58,786 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:06:58,787 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:06:58,788 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:06:58,788 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:06:58,789 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:06:58,790 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:06:58,791 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:06:58,792 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:06:58,793 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:06:58,794 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:06:58,795 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:06:58,796 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:06:58,796 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:06:58,796 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:06:58,798 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:06:58,798 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:06:58,800 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ae767bf-9eb4-44ec-af05-4fe7b00e92ad/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-25 17:06:58,822 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:06:58,822 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:06:58,823 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:06:58,823 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:06:58,824 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:06:58,824 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:06:58,825 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:06:58,825 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:06:58,825 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:06:58,826 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:06:58,826 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 17:06:58,826 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:06:58,827 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 17:06:58,827 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:06:58,827 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:06:58,827 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:06:58,828 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:06:58,828 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 17:06:58,828 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:06:58,828 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:06:58,829 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:06:58,829 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:06:58,829 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:06:58,829 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:06:58,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:06:58,830 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:06:58,830 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:06:58,830 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:06:58,831 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:06:58,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 17:06:58,831 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:06:58,832 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:06:58,832 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:06:58,832 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:06:58,832 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_1ae767bf-9eb4-44ec-af05-4fe7b00e92ad/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ae767bf-9eb4-44ec-af05-4fe7b00e92ad/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bff509ff7af2b9788fd6216f7196709183d48c973cf9a066c9793f96467b2abf [2022-11-25 17:06:59,117 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:06:59,161 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:06:59,165 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:06:59,166 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:06:59,167 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:06:59,168 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ae767bf-9eb4-44ec-af05-4fe7b00e92ad/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/product-lines/minepump_spec2_product63.cil.c [2022-11-25 17:07:02,216 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:07:02,511 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:07:02,512 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ae767bf-9eb4-44ec-af05-4fe7b00e92ad/sv-benchmarks/c/product-lines/minepump_spec2_product63.cil.c [2022-11-25 17:07:02,525 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ae767bf-9eb4-44ec-af05-4fe7b00e92ad/bin/uautomizer-ZsLfNo2U6R/data/a415b30db/02bdad7f5da043ac8aecc7a81cd11241/FLAG125301de6 [2022-11-25 17:07:02,542 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ae767bf-9eb4-44ec-af05-4fe7b00e92ad/bin/uautomizer-ZsLfNo2U6R/data/a415b30db/02bdad7f5da043ac8aecc7a81cd11241 [2022-11-25 17:07:02,545 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:07:02,546 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:07:02,548 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:07:02,548 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:07:02,552 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:07:02,553 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:07:02" (1/1) ... [2022-11-25 17:07:02,555 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ca652cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:07:02, skipping insertion in model container [2022-11-25 17:07:02,555 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:07:02" (1/1) ... [2022-11-25 17:07:02,563 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:07:02,607 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:07:02,785 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ae767bf-9eb4-44ec-af05-4fe7b00e92ad/sv-benchmarks/c/product-lines/minepump_spec2_product63.cil.c[2985,2998] [2022-11-25 17:07:02,908 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:07:02,931 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:07:02,954 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ae767bf-9eb4-44ec-af05-4fe7b00e92ad/sv-benchmarks/c/product-lines/minepump_spec2_product63.cil.c[2985,2998] [2022-11-25 17:07:03,006 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:07:03,026 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:07:03,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:07:03 WrapperNode [2022-11-25 17:07:03,026 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:07:03,028 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:07:03,028 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:07:03,028 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:07:03,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:07:03" (1/1) ... [2022-11-25 17:07:03,050 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:07:03" (1/1) ... [2022-11-25 17:07:03,078 INFO L138 Inliner]: procedures = 59, calls = 107, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 225 [2022-11-25 17:07:03,079 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:07:03,080 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:07:03,080 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:07:03,080 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:07:03,090 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:07:03" (1/1) ... [2022-11-25 17:07:03,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:07:03" (1/1) ... [2022-11-25 17:07:03,093 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:07:03" (1/1) ... [2022-11-25 17:07:03,093 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:07:03" (1/1) ... [2022-11-25 17:07:03,099 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:07:03" (1/1) ... [2022-11-25 17:07:03,103 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:07:03" (1/1) ... [2022-11-25 17:07:03,105 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:07:03" (1/1) ... [2022-11-25 17:07:03,107 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:07:03" (1/1) ... [2022-11-25 17:07:03,110 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:07:03,111 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:07:03,111 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:07:03,111 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:07:03,112 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:07:03" (1/1) ... [2022-11-25 17:07:03,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:07:03,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ae767bf-9eb4-44ec-af05-4fe7b00e92ad/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:07:03,153 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ae767bf-9eb4-44ec-af05-4fe7b00e92ad/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:07:03,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ae767bf-9eb4-44ec-af05-4fe7b00e92ad/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:07:03,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:07:03,194 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-25 17:07:03,194 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-25 17:07:03,194 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-25 17:07:03,194 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-25 17:07:03,195 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-25 17:07:03,195 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-25 17:07:03,195 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-25 17:07:03,195 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-25 17:07:03,196 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-11-25 17:07:03,196 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-11-25 17:07:03,196 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-25 17:07:03,196 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-25 17:07:03,196 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-11-25 17:07:03,197 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-11-25 17:07:03,197 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-11-25 17:07:03,197 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-11-25 17:07:03,197 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-25 17:07:03,197 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-25 17:07:03,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 17:07:03,198 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-25 17:07:03,198 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-25 17:07:03,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:07:03,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:07:03,285 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:07:03,287 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:07:03,713 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:07:03,723 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:07:03,723 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-25 17:07:03,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:07:03 BoogieIcfgContainer [2022-11-25 17:07:03,726 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:07:03,729 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:07:03,729 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:07:03,733 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:07:03,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:07:02" (1/3) ... [2022-11-25 17:07:03,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6763f8bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:07:03, skipping insertion in model container [2022-11-25 17:07:03,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:07:03" (2/3) ... [2022-11-25 17:07:03,735 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6763f8bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:07:03, skipping insertion in model container [2022-11-25 17:07:03,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:07:03" (3/3) ... [2022-11-25 17:07:03,736 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product63.cil.c [2022-11-25 17:07:03,760 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:07:03,760 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 17:07:03,825 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:07:03,833 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;@6e361f5d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:07:03,834 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 17:07:03,838 INFO L276 IsEmpty]: Start isEmpty. Operand has 114 states, 83 states have (on average 1.3734939759036144) internal successors, (114), 94 states have internal predecessors, (114), 19 states have call successors, (19), 10 states have call predecessors, (19), 10 states have return successors, (19), 14 states have call predecessors, (19), 19 states have call successors, (19) [2022-11-25 17:07:03,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-25 17:07:03,850 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:07:03,851 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] [2022-11-25 17:07:03,852 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:07:03,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:07:03,859 INFO L85 PathProgramCache]: Analyzing trace with hash -1947167556, now seen corresponding path program 1 times [2022-11-25 17:07:03,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:07:03,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586563046] [2022-11-25 17:07:03,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:07:03,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:07:04,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:04,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-25 17:07:04,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:04,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:07:04,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:07:04,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586563046] [2022-11-25 17:07:04,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586563046] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:07:04,111 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:07:04,111 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 17:07:04,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899963816] [2022-11-25 17:07:04,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:07:04,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 17:07:04,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:07:04,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 17:07:04,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 17:07:04,158 INFO L87 Difference]: Start difference. First operand has 114 states, 83 states have (on average 1.3734939759036144) internal successors, (114), 94 states have internal predecessors, (114), 19 states have call successors, (19), 10 states have call predecessors, (19), 10 states have return successors, (19), 14 states have call predecessors, (19), 19 states have call successors, (19) 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) [2022-11-25 17:07:04,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:07:04,241 INFO L93 Difference]: Finished difference Result 219 states and 298 transitions. [2022-11-25 17:07:04,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 17:07:04,244 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 [2022-11-25 17:07:04,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:07:04,255 INFO L225 Difference]: With dead ends: 219 [2022-11-25 17:07:04,256 INFO L226 Difference]: Without dead ends: 105 [2022-11-25 17:07:04,260 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 [2022-11-25 17:07:04,265 INFO L413 NwaCegarLoop]: 146 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, 146 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 [2022-11-25 17:07:04,266 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:07:04,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2022-11-25 17:07:04,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2022-11-25 17:07:04,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 76 states have (on average 1.3157894736842106) internal successors, (100), 86 states have internal predecessors, (100), 19 states have call successors, (19), 10 states have call predecessors, (19), 9 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-25 17:07:04,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 137 transitions. [2022-11-25 17:07:04,337 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 137 transitions. Word has length 25 [2022-11-25 17:07:04,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:07:04,338 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 137 transitions. [2022-11-25 17:07:04,338 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) [2022-11-25 17:07:04,338 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 137 transitions. [2022-11-25 17:07:04,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-25 17:07:04,342 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:07:04,342 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] [2022-11-25 17:07:04,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 17:07:04,343 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:07:04,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:07:04,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1638616570, now seen corresponding path program 1 times [2022-11-25 17:07:04,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:07:04,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753768890] [2022-11-25 17:07:04,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:07:04,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:07:04,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:04,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 17:07:04,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:04,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:07:04,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:07:04,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753768890] [2022-11-25 17:07:04,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753768890] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:07:04,479 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:07:04,480 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 17:07:04,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182344] [2022-11-25 17:07:04,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:07:04,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:07:04,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:07:04,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:07:04,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:07:04,484 INFO L87 Difference]: Start difference. First operand 105 states and 137 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) [2022-11-25 17:07:04,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:07:04,513 INFO L93 Difference]: Finished difference Result 171 states and 223 transitions. [2022-11-25 17:07:04,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:07:04,514 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 [2022-11-25 17:07:04,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:07:04,517 INFO L225 Difference]: With dead ends: 171 [2022-11-25 17:07:04,517 INFO L226 Difference]: Without dead ends: 96 [2022-11-25 17:07:04,518 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 [2022-11-25 17:07:04,520 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 16 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 227 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 [2022-11-25 17:07:04,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 227 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:07:04,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-11-25 17:07:04,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2022-11-25 17:07:04,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 70 states have (on average 1.3285714285714285) internal successors, (93), 80 states have internal predecessors, (93), 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) [2022-11-25 17:07:04,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 125 transitions. [2022-11-25 17:07:04,538 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 125 transitions. Word has length 26 [2022-11-25 17:07:04,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:07:04,539 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 125 transitions. [2022-11-25 17:07:04,539 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) [2022-11-25 17:07:04,540 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 125 transitions. [2022-11-25 17:07:04,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-25 17:07:04,541 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:07:04,542 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] [2022-11-25 17:07:04,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 17:07:04,542 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:07:04,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:07:04,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1033007084, now seen corresponding path program 1 times [2022-11-25 17:07:04,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:07:04,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71351299] [2022-11-25 17:07:04,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:07:04,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:07:04,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:04,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 17:07:04,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:04,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:07:04,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:07:04,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71351299] [2022-11-25 17:07:04,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71351299] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:07:04,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:07:04,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 17:07:04,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296288471] [2022-11-25 17:07:04,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:07:04,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 17:07:04,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:07:04,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 17:07:04,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:07:04,808 INFO L87 Difference]: Start difference. First operand 96 states and 125 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 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) [2022-11-25 17:07:05,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:07:05,170 INFO L93 Difference]: Finished difference Result 314 states and 416 transitions. [2022-11-25 17:07:05,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 17:07:05,171 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 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 [2022-11-25 17:07:05,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:07:05,174 INFO L225 Difference]: With dead ends: 314 [2022-11-25 17:07:05,175 INFO L226 Difference]: Without dead ends: 226 [2022-11-25 17:07:05,176 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 17:07:05,178 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 256 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 17:07:05,179 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 572 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 17:07:05,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2022-11-25 17:07:05,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 220. [2022-11-25 17:07:05,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 159 states have (on average 1.3584905660377358) internal successors, (216), 181 states have internal predecessors, (216), 37 states have call successors, (37), 23 states have call predecessors, (37), 23 states have return successors, (38), 25 states have call predecessors, (38), 37 states have call successors, (38) [2022-11-25 17:07:05,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 291 transitions. [2022-11-25 17:07:05,220 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 291 transitions. Word has length 30 [2022-11-25 17:07:05,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:07:05,221 INFO L495 AbstractCegarLoop]: Abstraction has 220 states and 291 transitions. [2022-11-25 17:07:05,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 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) [2022-11-25 17:07:05,222 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 291 transitions. [2022-11-25 17:07:05,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-25 17:07:05,224 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:07:05,224 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:07:05,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 17:07:05,225 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:07:05,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:07:05,226 INFO L85 PathProgramCache]: Analyzing trace with hash -1394669962, now seen corresponding path program 1 times [2022-11-25 17:07:05,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:07:05,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536843922] [2022-11-25 17:07:05,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:07:05,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:07:05,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:05,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-25 17:07:05,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:05,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:07:05,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:07:05,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536843922] [2022-11-25 17:07:05,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536843922] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:07:05,320 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:07:05,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 17:07:05,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513250155] [2022-11-25 17:07:05,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:07:05,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 17:07:05,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:07:05,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 17:07:05,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:07:05,323 INFO L87 Difference]: Start difference. First operand 220 states and 291 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:07:05,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:07:05,441 INFO L93 Difference]: Finished difference Result 542 states and 733 transitions. [2022-11-25 17:07:05,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 17:07:05,444 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (2), 1 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 34 [2022-11-25 17:07:05,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:07:05,449 INFO L225 Difference]: With dead ends: 542 [2022-11-25 17:07:05,454 INFO L226 Difference]: Without dead ends: 330 [2022-11-25 17:07:05,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-25 17:07:05,463 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 95 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:07:05,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 472 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 17:07:05,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2022-11-25 17:07:05,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 313. [2022-11-25 17:07:05,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 228 states have (on average 1.2894736842105263) internal successors, (294), 249 states have internal predecessors, (294), 46 states have call successors, (46), 38 states have call predecessors, (46), 38 states have return successors, (60), 41 states have call predecessors, (60), 46 states have call successors, (60) [2022-11-25 17:07:05,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 400 transitions. [2022-11-25 17:07:05,522 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 400 transitions. Word has length 34 [2022-11-25 17:07:05,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:07:05,523 INFO L495 AbstractCegarLoop]: Abstraction has 313 states and 400 transitions. [2022-11-25 17:07:05,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:07:05,523 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 400 transitions. [2022-11-25 17:07:05,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-25 17:07:05,526 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:07:05,526 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:07:05,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 17:07:05,527 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:07:05,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:07:05,528 INFO L85 PathProgramCache]: Analyzing trace with hash -261508897, now seen corresponding path program 1 times [2022-11-25 17:07:05,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:07:05,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319885954] [2022-11-25 17:07:05,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:07:05,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:07:05,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:05,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 17:07:05,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:05,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:07:05,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:05,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 17:07:05,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:05,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:07:05,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:05,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-25 17:07:05,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:05,717 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 17:07:05,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:07:05,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319885954] [2022-11-25 17:07:05,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319885954] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:07:05,718 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:07:05,718 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 17:07:05,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957151343] [2022-11-25 17:07:05,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:07:05,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 17:07:05,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:07:05,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 17:07:05,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:07:05,721 INFO L87 Difference]: Start difference. First operand 313 states and 400 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-25 17:07:06,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:07:06,028 INFO L93 Difference]: Finished difference Result 690 states and 909 transitions. [2022-11-25 17:07:06,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 17:07:06,029 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (6), 2 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 61 [2022-11-25 17:07:06,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:07:06,037 INFO L225 Difference]: With dead ends: 690 [2022-11-25 17:07:06,038 INFO L226 Difference]: Without dead ends: 385 [2022-11-25 17:07:06,040 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-11-25 17:07:06,047 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 80 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 17:07:06,048 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 410 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 17:07:06,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2022-11-25 17:07:06,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 373. [2022-11-25 17:07:06,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 274 states have (on average 1.27007299270073) internal successors, (348), 295 states have internal predecessors, (348), 50 states have call successors, (50), 38 states have call predecessors, (50), 48 states have return successors, (74), 53 states have call predecessors, (74), 50 states have call successors, (74) [2022-11-25 17:07:06,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 472 transitions. [2022-11-25 17:07:06,134 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 472 transitions. Word has length 61 [2022-11-25 17:07:06,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:07:06,136 INFO L495 AbstractCegarLoop]: Abstraction has 373 states and 472 transitions. [2022-11-25 17:07:06,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-25 17:07:06,137 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 472 transitions. [2022-11-25 17:07:06,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-25 17:07:06,146 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:07:06,147 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:07:06,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 17:07:06,147 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:07:06,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:07:06,151 INFO L85 PathProgramCache]: Analyzing trace with hash -333895455, now seen corresponding path program 1 times [2022-11-25 17:07:06,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:07:06,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334006950] [2022-11-25 17:07:06,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:07:06,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:07:06,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:06,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 17:07:06,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:06,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:07:06,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:06,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 17:07:06,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:06,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:07:06,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:06,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-25 17:07:06,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:06,436 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 17:07:06,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:07:06,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334006950] [2022-11-25 17:07:06,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334006950] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:07:06,439 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:07:06,439 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-25 17:07:06,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269791258] [2022-11-25 17:07:06,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:07:06,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-25 17:07:06,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:07:06,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-25 17:07:06,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-25 17:07:06,445 INFO L87 Difference]: Start difference. First operand 373 states and 472 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-25 17:07:06,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:07:06,762 INFO L93 Difference]: Finished difference Result 756 states and 985 transitions. [2022-11-25 17:07:06,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 17:07:06,763 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (6), 2 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 61 [2022-11-25 17:07:06,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:07:06,766 INFO L225 Difference]: With dead ends: 756 [2022-11-25 17:07:06,766 INFO L226 Difference]: Without dead ends: 391 [2022-11-25 17:07:06,768 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-25 17:07:06,778 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 122 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 17:07:06,780 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 453 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 17:07:06,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2022-11-25 17:07:06,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 377. [2022-11-25 17:07:06,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 278 states have (on average 1.2661870503597121) internal successors, (352), 299 states have internal predecessors, (352), 50 states have call successors, (50), 38 states have call predecessors, (50), 48 states have return successors, (74), 53 states have call predecessors, (74), 50 states have call successors, (74) [2022-11-25 17:07:06,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 476 transitions. [2022-11-25 17:07:06,826 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 476 transitions. Word has length 61 [2022-11-25 17:07:06,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:07:06,827 INFO L495 AbstractCegarLoop]: Abstraction has 377 states and 476 transitions. [2022-11-25 17:07:06,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-25 17:07:06,827 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 476 transitions. [2022-11-25 17:07:06,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-25 17:07:06,829 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:07:06,830 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:07:06,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 17:07:06,830 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:07:06,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:07:06,831 INFO L85 PathProgramCache]: Analyzing trace with hash -1177900957, now seen corresponding path program 1 times [2022-11-25 17:07:06,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:07:06,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703588621] [2022-11-25 17:07:06,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:07:06,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:07:06,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:06,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 17:07:06,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:06,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:07:06,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:06,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 17:07:06,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:06,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:07:06,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:06,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-25 17:07:06,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:06,980 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 17:07:06,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:07:06,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703588621] [2022-11-25 17:07:06,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703588621] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:07:06,981 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:07:06,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 17:07:06,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163857745] [2022-11-25 17:07:06,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:07:06,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 17:07:06,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:07:06,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 17:07:06,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:07:06,984 INFO L87 Difference]: Start difference. First operand 377 states and 476 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 4 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2022-11-25 17:07:07,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:07:07,373 INFO L93 Difference]: Finished difference Result 1076 states and 1414 transitions. [2022-11-25 17:07:07,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 17:07:07,374 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 4 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 61 [2022-11-25 17:07:07,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:07:07,378 INFO L225 Difference]: With dead ends: 1076 [2022-11-25 17:07:07,379 INFO L226 Difference]: Without dead ends: 707 [2022-11-25 17:07:07,381 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-25 17:07:07,382 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 249 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-25 17:07:07,382 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 350 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-25 17:07:07,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2022-11-25 17:07:07,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 700. [2022-11-25 17:07:07,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 700 states, 518 states have (on average 1.2413127413127414) internal successors, (643), 551 states have internal predecessors, (643), 93 states have call successors, (93), 83 states have call predecessors, (93), 88 states have return successors, (152), 93 states have call predecessors, (152), 93 states have call successors, (152) [2022-11-25 17:07:07,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 700 states and 888 transitions. [2022-11-25 17:07:07,458 INFO L78 Accepts]: Start accepts. Automaton has 700 states and 888 transitions. Word has length 61 [2022-11-25 17:07:07,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:07:07,459 INFO L495 AbstractCegarLoop]: Abstraction has 700 states and 888 transitions. [2022-11-25 17:07:07,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 4 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2022-11-25 17:07:07,459 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 888 transitions. [2022-11-25 17:07:07,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-25 17:07:07,461 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:07:07,461 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:07:07,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 17:07:07,462 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:07:07,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:07:07,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1002671561, now seen corresponding path program 1 times [2022-11-25 17:07:07,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:07:07,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575705564] [2022-11-25 17:07:07,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:07:07,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:07:07,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:07,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:07:07,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:07,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-25 17:07:07,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:07,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:07:07,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:07,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 17:07:07,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:07,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:07:07,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:07,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-25 17:07:07,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:07,764 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 17:07:07,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:07:07,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575705564] [2022-11-25 17:07:07,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575705564] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:07:07,765 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:07:07,765 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-25 17:07:07,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006436277] [2022-11-25 17:07:07,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:07:07,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 17:07:07,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:07:07,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 17:07:07,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2022-11-25 17:07:07,767 INFO L87 Difference]: Start difference. First operand 700 states and 888 transitions. Second operand has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 7 states have internal predecessors, (50), 2 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (6), 5 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-25 17:07:09,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:07:09,057 INFO L93 Difference]: Finished difference Result 2275 states and 3020 transitions. [2022-11-25 17:07:09,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-25 17:07:09,058 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 7 states have internal predecessors, (50), 2 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (6), 5 states have call predecessors, (6), 2 states have call successors, (6) Word has length 65 [2022-11-25 17:07:09,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:07:09,069 INFO L225 Difference]: With dead ends: 2275 [2022-11-25 17:07:09,069 INFO L226 Difference]: Without dead ends: 1583 [2022-11-25 17:07:09,073 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 257 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=229, Invalid=961, Unknown=0, NotChecked=0, Total=1190 [2022-11-25 17:07:09,075 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 565 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 963 mSolverCounterSat, 288 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 574 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 1251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 288 IncrementalHoareTripleChecker+Valid, 963 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-25 17:07:09,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [574 Valid, 539 Invalid, 1251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [288 Valid, 963 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-25 17:07:09,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1583 states. [2022-11-25 17:07:09,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1583 to 1478. [2022-11-25 17:07:09,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1478 states, 1077 states have (on average 1.2079851439182916) internal successors, (1301), 1158 states have internal predecessors, (1301), 212 states have call successors, (212), 162 states have call predecessors, (212), 188 states have return successors, (387), 210 states have call predecessors, (387), 212 states have call successors, (387) [2022-11-25 17:07:09,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1478 states to 1478 states and 1900 transitions. [2022-11-25 17:07:09,245 INFO L78 Accepts]: Start accepts. Automaton has 1478 states and 1900 transitions. Word has length 65 [2022-11-25 17:07:09,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:07:09,246 INFO L495 AbstractCegarLoop]: Abstraction has 1478 states and 1900 transitions. [2022-11-25 17:07:09,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 7 states have internal predecessors, (50), 2 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (6), 5 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-25 17:07:09,246 INFO L276 IsEmpty]: Start isEmpty. Operand 1478 states and 1900 transitions. [2022-11-25 17:07:09,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-11-25 17:07:09,252 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:07:09,252 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:07:09,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 17:07:09,253 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:07:09,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:07:09,254 INFO L85 PathProgramCache]: Analyzing trace with hash -936110750, now seen corresponding path program 1 times [2022-11-25 17:07:09,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:07:09,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351695138] [2022-11-25 17:07:09,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:07:09,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:07:09,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:09,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:07:09,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:09,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-25 17:07:09,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:09,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-25 17:07:09,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:09,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:07:09,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:09,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:07:09,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:09,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 17:07:09,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:09,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:07:09,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:09,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:07:09,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:09,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-25 17:07:09,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:09,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-25 17:07:09,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:09,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:07:09,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:09,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-25 17:07:09,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:09,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-25 17:07:09,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:09,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:07:09,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:09,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-25 17:07:09,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:09,762 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 18 proven. 15 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-25 17:07:09,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:07:09,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351695138] [2022-11-25 17:07:09,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351695138] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:07:09,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1349465179] [2022-11-25 17:07:09,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:07:09,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:07:09,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ae767bf-9eb4-44ec-af05-4fe7b00e92ad/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:07:09,771 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ae767bf-9eb4-44ec-af05-4fe7b00e92ad/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:07:09,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ae767bf-9eb4-44ec-af05-4fe7b00e92ad/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 17:07:09,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:09,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-25 17:07:09,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:07:10,174 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-25 17:07:10,174 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:07:10,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1349465179] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:07:10,175 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 17:07:10,175 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [16] total 21 [2022-11-25 17:07:10,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346398455] [2022-11-25 17:07:10,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:07:10,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 17:07:10,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:07:10,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 17:07:10,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2022-11-25 17:07:10,177 INFO L87 Difference]: Start difference. First operand 1478 states and 1900 transitions. Second operand has 8 states, 8 states have (on average 10.875) internal successors, (87), 6 states have internal predecessors, (87), 3 states have call successors, (15), 3 states have call predecessors, (15), 5 states have return successors, (14), 5 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-25 17:07:10,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:07:10,564 INFO L93 Difference]: Finished difference Result 2952 states and 3800 transitions. [2022-11-25 17:07:10,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 17:07:10,565 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 6 states have internal predecessors, (87), 3 states have call successors, (15), 3 states have call predecessors, (15), 5 states have return successors, (14), 5 states have call predecessors, (14), 3 states have call successors, (14) Word has length 127 [2022-11-25 17:07:10,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:07:10,574 INFO L225 Difference]: With dead ends: 2952 [2022-11-25 17:07:10,574 INFO L226 Difference]: Without dead ends: 1482 [2022-11-25 17:07:10,581 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2022-11-25 17:07:10,583 INFO L413 NwaCegarLoop]: 228 mSDtfsCounter, 82 mSDsluCounter, 943 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 1171 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 17:07:10,584 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 1171 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 17:07:10,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1482 states. [2022-11-25 17:07:10,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1482 to 1478. [2022-11-25 17:07:10,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1478 states, 1077 states have (on average 1.1940575673166203) internal successors, (1286), 1158 states have internal predecessors, (1286), 212 states have call successors, (212), 162 states have call predecessors, (212), 188 states have return successors, (344), 210 states have call predecessors, (344), 212 states have call successors, (344) [2022-11-25 17:07:10,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1478 states to 1478 states and 1842 transitions. [2022-11-25 17:07:10,730 INFO L78 Accepts]: Start accepts. Automaton has 1478 states and 1842 transitions. Word has length 127 [2022-11-25 17:07:10,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:07:10,730 INFO L495 AbstractCegarLoop]: Abstraction has 1478 states and 1842 transitions. [2022-11-25 17:07:10,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 6 states have internal predecessors, (87), 3 states have call successors, (15), 3 states have call predecessors, (15), 5 states have return successors, (14), 5 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-25 17:07:10,731 INFO L276 IsEmpty]: Start isEmpty. Operand 1478 states and 1842 transitions. [2022-11-25 17:07:10,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-11-25 17:07:10,735 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:07:10,736 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:07:10,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ae767bf-9eb4-44ec-af05-4fe7b00e92ad/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-25 17:07:10,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ae767bf-9eb4-44ec-af05-4fe7b00e92ad/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-25 17:07:10,944 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:07:10,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:07:10,945 INFO L85 PathProgramCache]: Analyzing trace with hash -921698978, now seen corresponding path program 1 times [2022-11-25 17:07:10,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:07:10,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578152825] [2022-11-25 17:07:10,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:07:10,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:07:10,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:11,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-25 17:07:11,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:11,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-25 17:07:11,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:11,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-25 17:07:11,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:11,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:07:11,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:11,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 17:07:11,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:11,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:07:11,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:11,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-25 17:07:11,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:11,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-25 17:07:11,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:11,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-25 17:07:11,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:11,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-25 17:07:11,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:11,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-25 17:07:11,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:11,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-25 17:07:11,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:11,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:07:11,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:11,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-25 17:07:11,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:11,302 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-25 17:07:11,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:07:11,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578152825] [2022-11-25 17:07:11,302 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578152825] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 17:07:11,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1535362896] [2022-11-25 17:07:11,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:07:11,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:07:11,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ae767bf-9eb4-44ec-af05-4fe7b00e92ad/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:07:11,307 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ae767bf-9eb4-44ec-af05-4fe7b00e92ad/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 17:07:11,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ae767bf-9eb4-44ec-af05-4fe7b00e92ad/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 17:07:11,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:07:11,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-25 17:07:11,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:07:11,658 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 17:07:11,658 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:07:11,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1535362896] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:07:11,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 17:07:11,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [15] total 20 [2022-11-25 17:07:11,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604860159] [2022-11-25 17:07:11,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:07:11,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 17:07:11,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:07:11,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 17:07:11,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2022-11-25 17:07:11,662 INFO L87 Difference]: Start difference. First operand 1478 states and 1842 transitions. Second operand has 8 states, 8 states have (on average 11.0) internal successors, (88), 6 states have internal predecessors, (88), 3 states have call successors, (15), 3 states have call predecessors, (15), 5 states have return successors, (14), 5 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-25 17:07:11,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:07:11,939 INFO L93 Difference]: Finished difference Result 2558 states and 3230 transitions. [2022-11-25 17:07:11,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 17:07:11,940 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 6 states have internal predecessors, (88), 3 states have call successors, (15), 3 states have call predecessors, (15), 5 states have return successors, (14), 5 states have call predecessors, (14), 3 states have call successors, (14) Word has length 123 [2022-11-25 17:07:11,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:07:11,941 INFO L225 Difference]: With dead ends: 2558 [2022-11-25 17:07:11,942 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 17:07:11,949 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=400, Unknown=0, NotChecked=0, Total=462 [2022-11-25 17:07:11,950 INFO L413 NwaCegarLoop]: 213 mSDtfsCounter, 79 mSDsluCounter, 736 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 949 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:07:11,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 949 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 17:07:11,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 17:07:11,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 17:07:11,952 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) [2022-11-25 17:07:11,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 17:07:11,953 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 123 [2022-11-25 17:07:11,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:07:11,953 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 17:07:11,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 6 states have internal predecessors, (88), 3 states have call successors, (15), 3 states have call predecessors, (15), 5 states have return successors, (14), 5 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-25 17:07:11,954 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 17:07:11,954 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 17:07:11,959 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-25 17:07:11,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ae767bf-9eb4-44ec-af05-4fe7b00e92ad/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-25 17:07:12,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ae767bf-9eb4-44ec-af05-4fe7b00e92ad/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 17:07:12,169 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 17:07:18,264 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 521 528) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2022-11-25 17:07:18,265 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 521 528) no Hoare annotation was computed. [2022-11-25 17:07:18,265 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 521 528) no Hoare annotation was computed. [2022-11-25 17:07:18,265 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 411 417) no Hoare annotation was computed. [2022-11-25 17:07:18,265 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 411 417) the Hoare annotation is: true [2022-11-25 17:07:18,265 INFO L895 garLoopResultBuilder]: At program point L459(line 459) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2022-11-25 17:07:18,266 INFO L895 garLoopResultBuilder]: At program point L455(line 455) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2022-11-25 17:07:18,266 INFO L899 garLoopResultBuilder]: For program point L453(lines 453 461) no Hoare annotation was computed. [2022-11-25 17:07:18,266 INFO L899 garLoopResultBuilder]: For program point L449(lines 449 466) no Hoare annotation was computed. [2022-11-25 17:07:18,266 INFO L895 garLoopResultBuilder]: At program point L309(lines 304 312) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2022-11-25 17:07:18,267 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 445 469) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (<= 1 ~methaneLevelCritical~0)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~methaneLevelCritical~0 0)) .cse0))) [2022-11-25 17:07:18,267 INFO L895 garLoopResultBuilder]: At program point L464(line 464) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= ~methaneLevelCritical~0 0)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2022-11-25 17:07:18,267 INFO L899 garLoopResultBuilder]: For program point L464-1(lines 445 469) no Hoare annotation was computed. [2022-11-25 17:07:18,267 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 445 469) no Hoare annotation was computed. [2022-11-25 17:07:18,268 INFO L895 garLoopResultBuilder]: At program point L619(lines 604 622) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2022-11-25 17:07:18,268 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 617) no Hoare annotation was computed. [2022-11-25 17:07:18,268 INFO L899 garLoopResultBuilder]: For program point L613-2(lines 613 617) no Hoare annotation was computed. [2022-11-25 17:07:18,268 INFO L899 garLoopResultBuilder]: For program point L241-1(lines 237 248) no Hoare annotation was computed. [2022-11-25 17:07:18,268 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 237 248) the Hoare annotation is: (let ((.cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (not (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 (= 0 ~systemActive~0)) (or .cse0 .cse2 .cse1) (or (<= 1 ~methaneLevelCritical~0) .cse2 (not (<= 1 |old(~methaneLevelCritical~0)|))))) [2022-11-25 17:07:18,269 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 237 248) no Hoare annotation was computed. [2022-11-25 17:07:18,269 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 249 257) the Hoare annotation is: true [2022-11-25 17:07:18,269 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 249 257) no Hoare annotation was computed. [2022-11-25 17:07:18,269 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 249 257) no Hoare annotation was computed. [2022-11-25 17:07:18,269 INFO L895 garLoopResultBuilder]: At program point L481(line 481) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 .cse1) (or .cse2 (and (<= 1 |timeShift_processEnvironment_~tmp~5#1|) .cse3) .cse4) (or .cse0 .cse2) (or .cse3 .cse1 .cse4))) [2022-11-25 17:07:18,270 INFO L895 garLoopResultBuilder]: At program point L477(line 477) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse0 .cse3) (or .cse2 .cse1 .cse4))) [2022-11-25 17:07:18,270 INFO L899 garLoopResultBuilder]: For program point L477-1(line 477) no Hoare annotation was computed. [2022-11-25 17:07:18,270 INFO L899 garLoopResultBuilder]: For program point L188(lines 188 198) no Hoare annotation was computed. [2022-11-25 17:07:18,270 INFO L899 garLoopResultBuilder]: For program point L217(lines 217 221) no Hoare annotation was computed. [2022-11-25 17:07:18,270 INFO L899 garLoopResultBuilder]: For program point L184(lines 184 201) no Hoare annotation was computed. [2022-11-25 17:07:18,271 INFO L895 garLoopResultBuilder]: At program point L217-2(lines 213 224) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse0 .cse3) (or .cse2 .cse1 .cse4))) [2022-11-25 17:07:18,271 INFO L895 garLoopResultBuilder]: At program point L184-1(lines 176 204) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0))) (let ((.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not .cse3)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse7 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~1#1| 0))) (and (or .cse0 (and .cse1 .cse2) .cse3) (or .cse4 (and .cse5 .cse2) .cse6 (and .cse1 .cse5 .cse7)) (or .cse4 (and .cse1 .cse5) .cse0) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse7) (and .cse1 .cse2 .cse7) .cse6 (and (<= 2 ~waterLevel~0) .cse7) .cse3)))) [2022-11-25 17:07:18,271 INFO L895 garLoopResultBuilder]: At program point L490(line 490) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0))) (let ((.cse8 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (= ~pumpRunning~0 0)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse10 (not .cse1)) (.cse11 (= ~methaneLevelCritical~0 0))) (let ((.cse0 (not .cse11)) (.cse2 (and .cse6 .cse7 .cse11 .cse9 .cse10)) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not .cse8)) (.cse5 (and .cse6 .cse7 .cse8 .cse9 .cse10))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse2) (or .cse3 .cse4 .cse5) (or .cse4 .cse5 .cse1))))) [2022-11-25 17:07:18,272 INFO L895 garLoopResultBuilder]: At program point L490-1(lines 471 495) the Hoare annotation is: (let ((.cse5 (= 0 ~systemActive~0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= |old(~waterLevel~0)| ~waterLevel~0) (not .cse5))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse4) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3 (<= 2 ~waterLevel~0) .cse2 .cse5)))) [2022-11-25 17:07:18,272 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 387 410) no Hoare annotation was computed. [2022-11-25 17:07:18,272 INFO L899 garLoopResultBuilder]: For program point L391-1(lines 390 409) no Hoare annotation was computed. [2022-11-25 17:07:18,272 INFO L899 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2022-11-25 17:07:18,272 INFO L899 garLoopResultBuilder]: For program point L189(lines 189 195) no Hoare annotation was computed. [2022-11-25 17:07:18,273 INFO L895 garLoopResultBuilder]: At program point L545(lines 540 548) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= |timeShift_isPumpRunning_#res#1| 0)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= 0 ~systemActive~0))) (and (or .cse0 .cse1) (or (and .cse2 .cse3) .cse4 .cse5) (or .cse0 .cse4 (and .cse2 .cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse1 .cse5))) [2022-11-25 17:07:18,273 INFO L895 garLoopResultBuilder]: At program point L161(lines 156 163) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1) (or .cse2 .cse3) (or .cse2 .cse0) (or .cse3 .cse1))) [2022-11-25 17:07:18,273 INFO L899 garLoopResultBuilder]: For program point L479(lines 479 487) no Hoare annotation was computed. [2022-11-25 17:07:18,273 INFO L899 garLoopResultBuilder]: For program point L475(lines 475 492) no Hoare annotation was computed. [2022-11-25 17:07:18,274 INFO L895 garLoopResultBuilder]: At program point L182(line 182) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (and .cse0 .cse4)) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse3 (and .cse4 (not .cse2)) .cse5 .cse6) (or .cse3 .cse5 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (<= 2 ~waterLevel~0) .cse6 .cse2)))) [2022-11-25 17:07:18,274 INFO L899 garLoopResultBuilder]: For program point L182-1(line 182) no Hoare annotation was computed. [2022-11-25 17:07:18,274 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 387 410) the Hoare annotation is: (let ((.cse6 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (and (= ~pumpRunning~0 0) .cse6)) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse6)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5) (or .cse3 .cse4 .cse0) (or .cse5 .cse1 .cse2)))) [2022-11-25 17:07:18,274 INFO L899 garLoopResultBuilder]: For program point L398-1(lines 398 404) no Hoare annotation was computed. [2022-11-25 17:07:18,274 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 387 410) no Hoare annotation was computed. [2022-11-25 17:07:18,275 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 160) no Hoare annotation was computed. [2022-11-25 17:07:18,275 INFO L895 garLoopResultBuilder]: At program point L485(line 485) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1) (or .cse2 .cse3) (or .cse2 .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3 .cse1))) [2022-11-25 17:07:18,275 INFO L902 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2022-11-25 17:07:18,275 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2022-11-25 17:07:18,275 INFO L899 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2022-11-25 17:07:18,276 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 52 81) the Hoare annotation is: true [2022-11-25 17:07:18,276 INFO L902 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2022-11-25 17:07:18,276 INFO L902 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2022-11-25 17:07:18,276 INFO L899 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2022-11-25 17:07:18,276 INFO L902 garLoopResultBuilder]: At program point L77(lines 52 81) the Hoare annotation is: true [2022-11-25 17:07:18,276 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2022-11-25 17:07:18,277 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2022-11-25 17:07:18,277 INFO L902 garLoopResultBuilder]: At program point L126(lines 118 128) the Hoare annotation is: true [2022-11-25 17:07:18,277 INFO L899 garLoopResultBuilder]: For program point L345(lines 345 351) no Hoare annotation was computed. [2022-11-25 17:07:18,277 INFO L899 garLoopResultBuilder]: For program point L345-1(lines 345 351) no Hoare annotation was computed. [2022-11-25 17:07:18,277 INFO L902 garLoopResultBuilder]: At program point L151(lines 132 154) the Hoare annotation is: true [2022-11-25 17:07:18,278 INFO L895 garLoopResultBuilder]: At program point L370(lines 325 372) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse3 .cse4 (not (= 0 ~systemActive~0))))) [2022-11-25 17:07:18,278 INFO L895 garLoopResultBuilder]: At program point L337(line 337) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse3 .cse4 (not (= 0 ~systemActive~0))))) [2022-11-25 17:07:18,278 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-25 17:07:18,278 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 17:07:18,278 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-25 17:07:18,279 INFO L895 garLoopResultBuilder]: At program point L635(lines 623 637) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1 .cse2 .cse3))) [2022-11-25 17:07:18,279 INFO L899 garLoopResultBuilder]: For program point L627(lines 627 633) no Hoare annotation was computed. [2022-11-25 17:07:18,279 INFO L899 garLoopResultBuilder]: For program point L627-1(lines 627 633) no Hoare annotation was computed. [2022-11-25 17:07:18,279 INFO L895 garLoopResultBuilder]: At program point L173(lines 168 175) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-25 17:07:18,279 INFO L899 garLoopResultBuilder]: For program point L326(lines 325 372) no Hoare annotation was computed. [2022-11-25 17:07:18,279 INFO L899 garLoopResultBuilder]: For program point L355(lines 355 368) no Hoare annotation was computed. [2022-11-25 17:07:18,280 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 17:07:18,280 INFO L895 garLoopResultBuilder]: At program point L669(lines 664 672) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-25 17:07:18,280 INFO L895 garLoopResultBuilder]: At program point L347(line 347) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse3 .cse4 (not (= 0 ~systemActive~0))))) [2022-11-25 17:07:18,280 INFO L902 garLoopResultBuilder]: At program point L376(lines 315 380) the Hoare annotation is: true [2022-11-25 17:07:18,280 INFO L895 garLoopResultBuilder]: At program point L661(lines 657 663) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-25 17:07:18,281 INFO L899 garLoopResultBuilder]: For program point L335(lines 335 341) no Hoare annotation was computed. [2022-11-25 17:07:18,281 INFO L899 garLoopResultBuilder]: For program point L335-1(lines 335 341) no Hoare annotation was computed. [2022-11-25 17:07:18,281 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 331) no Hoare annotation was computed. [2022-11-25 17:07:18,281 INFO L895 garLoopResultBuilder]: At program point L629(line 629) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and (<= 1 ~methaneLevelCritical~0) .cse0 .cse1 .cse2 .cse3) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3))) [2022-11-25 17:07:18,281 INFO L895 garLoopResultBuilder]: At program point L373(lines 324 374) the Hoare annotation is: false [2022-11-25 17:07:18,281 INFO L895 garLoopResultBuilder]: At program point L113(lines 109 115) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-25 17:07:18,282 INFO L895 garLoopResultBuilder]: At program point L654(lines 650 656) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-25 17:07:18,282 INFO L899 garLoopResultBuilder]: For program point L142(lines 142 149) no Hoare annotation was computed. [2022-11-25 17:07:18,282 INFO L899 garLoopResultBuilder]: For program point L142-2(lines 142 149) no Hoare annotation was computed. [2022-11-25 17:07:18,282 INFO L899 garLoopResultBuilder]: For program point L361(lines 361 367) no Hoare annotation was computed. [2022-11-25 17:07:18,282 INFO L895 garLoopResultBuilder]: At program point L361-2(lines 355 368) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse1 .cse2 .cse3) (and .cse5 .cse0 .cse1 .cse2 .cse3) (and .cse6 .cse1 .cse2 .cse3 .cse4))) [2022-11-25 17:07:18,283 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 419 443) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (<= 1 ~methaneLevelCritical~0)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~methaneLevelCritical~0 0)) .cse0))) [2022-11-25 17:07:18,283 INFO L895 garLoopResultBuilder]: At program point L438(line 438) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2022-11-25 17:07:18,283 INFO L899 garLoopResultBuilder]: For program point L438-1(lines 419 443) no Hoare annotation was computed. [2022-11-25 17:07:18,283 INFO L899 garLoopResultBuilder]: For program point L294(lines 294 300) no Hoare annotation was computed. [2022-11-25 17:07:18,283 INFO L899 garLoopResultBuilder]: For program point L511(lines 511 517) no Hoare annotation was computed. [2022-11-25 17:07:18,284 INFO L895 garLoopResultBuilder]: At program point L509(line 509) the Hoare annotation is: (let ((.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2022-11-25 17:07:18,284 INFO L895 garLoopResultBuilder]: At program point L511-2(lines 504 520) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~methaneLevelCritical~0)) (and (= ~pumpRunning~0 0) .cse0 (= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_activatePump_~tmp~6#1|)) .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2022-11-25 17:07:18,284 INFO L899 garLoopResultBuilder]: For program point L509-1(line 509) no Hoare annotation was computed. [2022-11-25 17:07:18,284 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 419 443) no Hoare annotation was computed. [2022-11-25 17:07:18,284 INFO L895 garLoopResultBuilder]: At program point L600(lines 585 603) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (= ~pumpRunning~0 0))) (let ((.cse0 (and .cse3 .cse4 (<= 2 ~waterLevel~0))) (.cse1 (and .cse3 .cse4 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~2#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1 .cse2) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2)))) [2022-11-25 17:07:18,285 INFO L895 garLoopResultBuilder]: At program point L501(lines 496 503) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~methaneLevelCritical~0)) .cse0) (or (<= 2 ~waterLevel~0) (not (= ~methaneLevelCritical~0 0)) .cse0))) [2022-11-25 17:07:18,285 INFO L899 garLoopResultBuilder]: For program point L594(lines 594 598) no Hoare annotation was computed. [2022-11-25 17:07:18,285 INFO L895 garLoopResultBuilder]: At program point L433(line 433) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~3#1| 0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 0)) .cse0 .cse1))) [2022-11-25 17:07:18,285 INFO L899 garLoopResultBuilder]: For program point L594-2(lines 594 598) no Hoare annotation was computed. [2022-11-25 17:07:18,285 INFO L895 garLoopResultBuilder]: At program point L299(lines 290 303) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= ~pumpRunning~0 0))) (let ((.cse0 (and .cse2 .cse3 (<= 2 ~waterLevel~0))) (.cse4 (= 0 ~systemActive~0)) (.cse1 (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1|))) (and (or .cse0 (and .cse1 .cse2 .cse3) (not (= ~methaneLevelCritical~0 0)) .cse4) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse4 (and .cse1 .cse3))))) [2022-11-25 17:07:18,286 INFO L899 garLoopResultBuilder]: For program point L427(lines 427 435) no Hoare annotation was computed. [2022-11-25 17:07:18,286 INFO L899 garLoopResultBuilder]: For program point L423(lines 423 440) no Hoare annotation was computed. [2022-11-25 17:07:18,286 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 225 236) no Hoare annotation was computed. [2022-11-25 17:07:18,286 INFO L899 garLoopResultBuilder]: For program point L229-1(lines 225 236) no Hoare annotation was computed. [2022-11-25 17:07:18,286 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 225 236) the Hoare annotation is: (let ((.cse2 (not (= ~pumpRunning~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 (= 0 ~systemActive~0)) (or .cse2 (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or .cse2 .cse0 .cse1))) [2022-11-25 17:07:18,286 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 529 539) the Hoare annotation is: true [2022-11-25 17:07:18,287 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 529 539) no Hoare annotation was computed. [2022-11-25 17:07:18,287 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 529 539) no Hoare annotation was computed. [2022-11-25 17:07:18,287 INFO L902 garLoopResultBuilder]: At program point L534(line 534) the Hoare annotation is: true [2022-11-25 17:07:18,287 INFO L899 garLoopResultBuilder]: For program point L534-1(line 534) no Hoare annotation was computed. [2022-11-25 17:07:18,291 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:07:18,293 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 17:07:18,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 05:07:18 BoogieIcfgContainer [2022-11-25 17:07:18,338 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 17:07:18,339 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:07:18,339 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:07:18,340 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:07:18,340 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:07:03" (3/4) ... [2022-11-25 17:07:18,343 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 17:07:18,359 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-25 17:07:18,359 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-25 17:07:18,359 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-25 17:07:18,359 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-25 17:07:18,360 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-25 17:07:18,360 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-25 17:07:18,360 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-11-25 17:07:18,360 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-25 17:07:18,360 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-11-25 17:07:18,361 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-11-25 17:07:18,373 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-25 17:07:18,375 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-25 17:07:18,375 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-25 17:07:18,376 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 17:07:18,376 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 17:07:18,408 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2022-11-25 17:07:18,409 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methaneLevelCritical == 0) && tmp == 1) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2022-11-25 17:07:18,409 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methaneLevelCritical == 0) && tmp == 1) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2022-11-25 17:07:18,409 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && splverifierCounter == 0) || ((((pumpRunning == 0 && 1 <= methaneLevelCritical) && \result == 1) && tmp == 1) && splverifierCounter == 0)) || ((((methaneLevelCritical == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) [2022-11-25 17:07:18,411 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && ((pumpRunning == \old(pumpRunning) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && (!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical))) && ((pumpRunning == \old(pumpRunning) || !(methaneLevelCritical == 0)) || 0 == systemActive) [2022-11-25 17:07:18,412 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || (\old(waterLevel) == waterLevel && !(0 == systemActive))) || !(methaneLevelCritical == 0)) && ((pumpRunning == 0 || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((!(\old(pumpRunning) == 0) || (\old(waterLevel) == waterLevel && !(0 == systemActive))) || !(1 <= methaneLevelCritical))) && ((((pumpRunning == \old(pumpRunning) || pumpRunning == 0) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) || 0 == systemActive) [2022-11-25 17:07:18,414 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 <= methaneLevelCritical) || (pumpRunning == 0 && !(0 == systemActive))) || 0 == systemActive) && (((!(\old(pumpRunning) == 0) || (\old(waterLevel) == waterLevel && !(0 == systemActive))) || !(methaneLevelCritical == 0)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && tmp == 0))) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical))) && (((((pumpRunning == \old(pumpRunning) && tmp == 0) || ((pumpRunning == 0 && !(0 == systemActive)) && tmp == 0)) || !(methaneLevelCritical == 0)) || (2 <= waterLevel && tmp == 0)) || 0 == systemActive) [2022-11-25 17:07:18,414 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && splverifierCounter == 0) || ((((pumpRunning == 0 && 1 <= methaneLevelCritical) && \result == 1) && tmp == 1) && splverifierCounter == 0) [2022-11-25 17:07:18,415 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (((pumpRunning == 0 && \result == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel))) && (!(methaneLevelCritical == 0) || 0 == systemActive) [2022-11-25 17:07:18,415 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && 2 <= waterLevel) && methaneLevelCritical == tmp)) || 0 == systemActive) && ((2 <= waterLevel || !(methaneLevelCritical == 0)) || 0 == systemActive) [2022-11-25 17:07:18,415 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) && ((2 <= waterLevel || !(methaneLevelCritical == 0)) || 0 == systemActive) [2022-11-25 17:07:18,416 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((pumpRunning == \old(pumpRunning) || !(methaneLevelCritical == 0)) || 0 == systemActive) [2022-11-25 17:07:18,416 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) || ((1 <= \result && pumpRunning == \old(pumpRunning)) && pumpRunning == 0)) || !(methaneLevelCritical == 0)) || 0 == systemActive) && ((((!(\old(pumpRunning) == 0) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || (1 <= \result && pumpRunning == 0)) [2022-11-25 17:07:18,416 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 <= methaneLevelCritical) || 0 == systemActive) && (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0))) && (!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical))) && (!(methaneLevelCritical == 0) || 0 == systemActive) [2022-11-25 17:07:18,420 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((pumpRunning == \old(pumpRunning) || !(methaneLevelCritical == 0)) || 0 == systemActive) [2022-11-25 17:07:18,420 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) || !(methaneLevelCritical == 0)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && \result == 0)) || 0 == systemActive) && ((((!(\old(pumpRunning) == 0) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && \result == 0)) || 0 == systemActive) [2022-11-25 17:07:18,473 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ae767bf-9eb4-44ec-af05-4fe7b00e92ad/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 17:07:18,474 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:07:18,474 INFO L158 Benchmark]: Toolchain (without parser) took 15927.94ms. Allocated memory was 155.2MB in the beginning and 293.6MB in the end (delta: 138.4MB). Free memory was 123.0MB in the beginning and 154.1MB in the end (delta: -31.1MB). Peak memory consumption was 107.9MB. Max. memory is 16.1GB. [2022-11-25 17:07:18,475 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 155.2MB. Free memory was 98.7MB in the beginning and 98.6MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:07:18,475 INFO L158 Benchmark]: CACSL2BoogieTranslator took 478.98ms. Allocated memory is still 155.2MB. Free memory was 122.4MB in the beginning and 103.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-25 17:07:18,475 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.19ms. Allocated memory is still 155.2MB. Free memory was 103.5MB in the beginning and 100.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:07:18,476 INFO L158 Benchmark]: Boogie Preprocessor took 30.37ms. Allocated memory is still 155.2MB. Free memory was 100.8MB in the beginning and 99.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:07:18,476 INFO L158 Benchmark]: RCFGBuilder took 615.42ms. Allocated memory is still 155.2MB. Free memory was 99.3MB in the beginning and 81.0MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-25 17:07:18,477 INFO L158 Benchmark]: TraceAbstraction took 14609.76ms. Allocated memory was 155.2MB in the beginning and 293.6MB in the end (delta: 138.4MB). Free memory was 80.4MB in the beginning and 160.4MB in the end (delta: -79.9MB). Peak memory consumption was 138.0MB. Max. memory is 16.1GB. [2022-11-25 17:07:18,477 INFO L158 Benchmark]: Witness Printer took 134.59ms. Allocated memory is still 293.6MB. Free memory was 160.4MB in the beginning and 154.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-25 17:07:18,480 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 155.2MB. Free memory was 98.7MB in the beginning and 98.6MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 478.98ms. Allocated memory is still 155.2MB. Free memory was 122.4MB in the beginning and 103.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.19ms. Allocated memory is still 155.2MB. Free memory was 103.5MB in the beginning and 100.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.37ms. Allocated memory is still 155.2MB. Free memory was 100.8MB in the beginning and 99.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 615.42ms. Allocated memory is still 155.2MB. Free memory was 99.3MB in the beginning and 81.0MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 14609.76ms. Allocated memory was 155.2MB in the beginning and 293.6MB in the end (delta: 138.4MB). Free memory was 80.4MB in the beginning and 160.4MB in the end (delta: -79.9MB). Peak memory consumption was 138.0MB. Max. memory is 16.1GB. * Witness Printer took 134.59ms. Allocated memory is still 293.6MB. Free memory was 160.4MB in the beginning and 154.1MB 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: 160]: 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 11 procedures, 114 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 14.5s, OverallIterations: 10, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1581 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1544 mSDsluCounter, 5289 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3881 mSDsCounter, 454 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2067 IncrementalHoareTripleChecker+Invalid, 2521 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 454 mSolverCounterUnsat, 1408 mSDtfsCounter, 2067 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 471 GetRequests, 365 SyntacticMatches, 1 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 352 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1478occurred in iteration=8, InterpolantAutomatonStates: 83, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 10 MinimizatonAttempts, 165 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 3057 PreInvPairs, 3616 NumberOfFragments, 1646 HoareAnnotationTreeSize, 3057 FomulaSimplifications, 298 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 52 FomulaSimplificationsInter, 23765 FormulaSimplificationTreeSizeReductionInter, 5.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 863 NumberOfCodeBlocks, 863 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 851 ConstructedInterpolants, 0 QuantifiedInterpolants, 1403 SizeOfPredicates, 6 NumberOfNonLiveVariables, 806 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 194/212 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: 471]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || (\old(waterLevel) == waterLevel && !(0 == systemActive))) || !(methaneLevelCritical == 0)) && ((pumpRunning == 0 || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((!(\old(pumpRunning) == 0) || (\old(waterLevel) == waterLevel && !(0 == systemActive))) || !(1 <= methaneLevelCritical))) && ((((pumpRunning == \old(pumpRunning) || pumpRunning == 0) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((pumpRunning == \old(pumpRunning) || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((pumpRunning == \old(pumpRunning) || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) || !(methaneLevelCritical == 0)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && \result == 0)) || 0 == systemActive) && ((((!(\old(pumpRunning) == 0) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && \result == 0)) || 0 == systemActive) - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methaneLevelCritical == 0) && tmp == 1) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && splverifierCounter == 0) || ((((pumpRunning == 0 && 1 <= methaneLevelCritical) && \result == 1) && tmp == 1) && splverifierCounter == 0)) || ((((methaneLevelCritical == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && ((pumpRunning == \old(pumpRunning) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && (!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical))) && ((pumpRunning == \old(pumpRunning) || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 623]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && splverifierCounter == 0) || ((((pumpRunning == 0 && 1 <= methaneLevelCritical) && \result == 1) && tmp == 1) && splverifierCounter == 0) - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: (((!(1 <= methaneLevelCritical) || 0 == systemActive) && (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0))) && (!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical))) && (!(methaneLevelCritical == 0) || 0 == systemActive) - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && 2 <= waterLevel) && methaneLevelCritical == tmp)) || 0 == systemActive) && ((2 <= waterLevel || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 315]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 664]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methaneLevelCritical == 0) && tmp == 1) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (((pumpRunning == 0 && \result == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel))) && (!(methaneLevelCritical == 0) || 0 == systemActive) - InvariantResult [Line: 290]: Loop Invariant Derived loop invariant: (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) || ((1 <= \result && pumpRunning == \old(pumpRunning)) && pumpRunning == 0)) || !(methaneLevelCritical == 0)) || 0 == systemActive) && ((((!(\old(pumpRunning) == 0) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || (1 <= \result && pumpRunning == 0)) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) && ((2 <= waterLevel || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: ((((!(1 <= methaneLevelCritical) || (pumpRunning == 0 && !(0 == systemActive))) || 0 == systemActive) && (((!(\old(pumpRunning) == 0) || (\old(waterLevel) == waterLevel && !(0 == systemActive))) || !(methaneLevelCritical == 0)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && tmp == 0))) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical))) && (((((pumpRunning == \old(pumpRunning) && tmp == 0) || ((pumpRunning == 0 && !(0 == systemActive)) && tmp == 0)) || !(methaneLevelCritical == 0)) || (2 <= waterLevel && tmp == 0)) || 0 == systemActive) - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-11-25 17:07:18,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ae767bf-9eb4-44ec-af05-4fe7b00e92ad/bin/uautomizer-ZsLfNo2U6R/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