./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e93d882-2561-4d01-bd09-6695490aae35/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e93d882-2561-4d01-bd09-6695490aae35/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e93d882-2561-4d01-bd09-6695490aae35/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e93d882-2561-4d01-bd09-6695490aae35/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e93d882-2561-4d01-bd09-6695490aae35/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e93d882-2561-4d01-bd09-6695490aae35/bin/uautomizer-Dbtcem3rbc --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 3cfb2febd3006e73b0e8309478193e665e2e7ddd381dfad7d5652117e74962c4 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:39:46,688 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:39:46,691 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:39:46,750 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:39:46,751 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:39:46,755 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:39:46,758 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:39:46,764 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:39:46,767 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:39:46,773 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:39:46,774 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:39:46,777 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:39:46,777 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:39:46,780 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:39:46,782 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:39:46,784 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:39:46,786 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:39:46,787 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:39:46,789 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:39:46,796 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:39:46,798 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:39:46,799 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:39:46,803 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:39:46,804 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:39:46,813 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:39:46,815 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:39:46,815 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:39:46,817 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:39:46,817 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:39:46,818 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:39:46,819 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:39:46,820 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:39:46,822 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:39:46,823 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:39:46,824 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:39:46,825 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:39:46,825 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:39:46,826 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:39:46,826 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:39:46,827 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:39:46,827 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:39:46,828 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e93d882-2561-4d01-bd09-6695490aae35/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-02 20:39:46,869 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:39:46,870 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:39:46,871 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:39:46,871 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:39:46,872 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:39:46,872 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:39:46,873 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:39:46,873 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:39:46,874 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:39:46,874 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:39:46,875 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:39:46,875 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:39:46,876 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:39:46,876 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:39:46,876 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:39:46,876 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:39:46,877 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:39:46,877 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:39:46,877 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:39:46,877 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:39:46,878 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:39:46,878 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:39:46,878 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:39:46,878 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:39:46,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:39:46,879 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:39:46,879 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:39:46,879 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:39:46,886 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:39:46,886 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:39:46,887 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:39:46,887 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:39:46,887 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:39:46,887 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e93d882-2561-4d01-bd09-6695490aae35/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e93d882-2561-4d01-bd09-6695490aae35/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3cfb2febd3006e73b0e8309478193e665e2e7ddd381dfad7d5652117e74962c4 [2022-11-02 20:39:47,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:39:47,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:39:47,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:39:47,226 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:39:47,227 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:39:47,229 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e93d882-2561-4d01-bd09-6695490aae35/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c [2022-11-02 20:39:47,307 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e93d882-2561-4d01-bd09-6695490aae35/bin/uautomizer-Dbtcem3rbc/data/c5de17094/2ebe59765f6e400b895c276e27f11de1/FLAG59eca4cc4 [2022-11-02 20:39:47,923 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:39:47,923 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e93d882-2561-4d01-bd09-6695490aae35/sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c [2022-11-02 20:39:47,938 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e93d882-2561-4d01-bd09-6695490aae35/bin/uautomizer-Dbtcem3rbc/data/c5de17094/2ebe59765f6e400b895c276e27f11de1/FLAG59eca4cc4 [2022-11-02 20:39:48,238 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e93d882-2561-4d01-bd09-6695490aae35/bin/uautomizer-Dbtcem3rbc/data/c5de17094/2ebe59765f6e400b895c276e27f11de1 [2022-11-02 20:39:48,241 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:39:48,244 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:39:48,251 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:39:48,251 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:39:48,255 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:39:48,256 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:39:48" (1/1) ... [2022-11-02 20:39:48,257 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@355d86e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:39:48, skipping insertion in model container [2022-11-02 20:39:48,257 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:39:48" (1/1) ... [2022-11-02 20:39:48,266 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:39:48,338 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:39:48,652 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e93d882-2561-4d01-bd09-6695490aae35/sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c[13989,14002] [2022-11-02 20:39:48,687 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:39:48,699 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:39:48,765 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e93d882-2561-4d01-bd09-6695490aae35/sv-benchmarks/c/product-lines/minepump_spec3_product57.cil.c[13989,14002] [2022-11-02 20:39:48,784 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:39:48,805 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:39:48,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:39:48 WrapperNode [2022-11-02 20:39:48,806 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:39:48,807 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:39:48,807 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:39:48,807 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:39:48,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:39:48" (1/1) ... [2022-11-02 20:39:48,831 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:39:48" (1/1) ... [2022-11-02 20:39:48,876 INFO L138 Inliner]: procedures = 56, calls = 157, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 280 [2022-11-02 20:39:48,885 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:39:48,886 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:39:48,886 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:39:48,886 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:39:48,897 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:39:48" (1/1) ... [2022-11-02 20:39:48,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:39:48" (1/1) ... [2022-11-02 20:39:48,913 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:39:48" (1/1) ... [2022-11-02 20:39:48,916 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:39:48" (1/1) ... [2022-11-02 20:39:48,922 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:39:48" (1/1) ... [2022-11-02 20:39:48,941 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:39:48" (1/1) ... [2022-11-02 20:39:48,943 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:39:48" (1/1) ... [2022-11-02 20:39:48,945 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:39:48" (1/1) ... [2022-11-02 20:39:48,947 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:39:48,952 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:39:48,952 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:39:48,952 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:39:48,953 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:39:48" (1/1) ... [2022-11-02 20:39:48,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:39:48,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e93d882-2561-4d01-bd09-6695490aae35/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:39:48,992 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e93d882-2561-4d01-bd09-6695490aae35/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:39:49,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e93d882-2561-4d01-bd09-6695490aae35/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:39:49,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:39:49,062 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-02 20:39:49,062 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-02 20:39:49,063 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-02 20:39:49,063 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-02 20:39:49,063 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-02 20:39:49,063 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-02 20:39:49,063 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-02 20:39:49,064 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-02 20:39:49,064 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-11-02 20:39:49,065 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-11-02 20:39:49,065 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-02 20:39:49,065 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-02 20:39:49,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:39:49,065 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-02 20:39:49,066 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-02 20:39:49,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:39:49,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:39:49,155 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:39:49,157 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:39:49,591 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:39:49,600 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:39:49,601 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-02 20:39:49,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:39:49 BoogieIcfgContainer [2022-11-02 20:39:49,603 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:39:49,606 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:39:49,631 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:39:49,634 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:39:49,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:39:48" (1/3) ... [2022-11-02 20:39:49,635 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4189f67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:39:49, skipping insertion in model container [2022-11-02 20:39:49,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:39:48" (2/3) ... [2022-11-02 20:39:49,636 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4189f67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:39:49, skipping insertion in model container [2022-11-02 20:39:49,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:39:49" (3/3) ... [2022-11-02 20:39:49,637 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product57.cil.c [2022-11-02 20:39:49,659 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:39:49,660 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:39:49,722 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:39:49,730 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;@4b7b7a7b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:39:49,730 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:39:49,735 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 72 states have (on average 1.3888888888888888) internal successors, (100), 80 states have internal predecessors, (100), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-02 20:39:49,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-02 20:39:49,748 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:39:49,749 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] [2022-11-02 20:39:49,750 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:39:49,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:39:49,757 INFO L85 PathProgramCache]: Analyzing trace with hash 358613796, now seen corresponding path program 1 times [2022-11-02 20:39:49,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:39:49,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272911151] [2022-11-02 20:39:49,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:39:49,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:39:49,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:50,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:39:50,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:50,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:39:50,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:39:50,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272911151] [2022-11-02 20:39:50,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272911151] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:39:50,080 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:39:50,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:39:50,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328229647] [2022-11-02 20:39:50,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:39:50,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-02 20:39:50,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:39:50,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-02 20:39:50,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 20:39:50,155 INFO L87 Difference]: Start difference. First operand has 93 states, 72 states have (on average 1.3888888888888888) internal successors, (100), 80 states have internal predecessors, (100), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 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) [2022-11-02 20:39:50,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:39:50,226 INFO L93 Difference]: Finished difference Result 178 states and 243 transitions. [2022-11-02 20:39:50,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-02 20:39:50,230 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 [2022-11-02 20:39:50,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:39:50,244 INFO L225 Difference]: With dead ends: 178 [2022-11-02 20:39:50,244 INFO L226 Difference]: Without dead ends: 84 [2022-11-02 20:39:50,250 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 [2022-11-02 20:39:50,254 INFO L413 NwaCegarLoop]: 118 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, 118 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 [2022-11-02 20:39:50,255 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:39:50,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-11-02 20:39:50,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2022-11-02 20:39:50,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 65 states have (on average 1.323076923076923) internal successors, (86), 72 states have internal predecessors, (86), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-02 20:39:50,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 109 transitions. [2022-11-02 20:39:50,339 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 109 transitions. Word has length 25 [2022-11-02 20:39:50,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:39:50,340 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 109 transitions. [2022-11-02 20:39:50,340 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) [2022-11-02 20:39:50,340 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 109 transitions. [2022-11-02 20:39:50,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-02 20:39:50,343 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:39:50,343 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] [2022-11-02 20:39:50,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:39:50,344 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:39:50,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:39:50,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1691145883, now seen corresponding path program 1 times [2022-11-02 20:39:50,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:39:50,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559656569] [2022-11-02 20:39:50,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:39:50,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:39:50,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:50,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-02 20:39:50,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:50,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:39:50,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:39:50,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559656569] [2022-11-02 20:39:50,645 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559656569] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:39:50,645 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:39:50,645 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:39:50,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971941073] [2022-11-02 20:39:50,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:39:50,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:39:50,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:39:50,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:39:50,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:39:50,676 INFO L87 Difference]: Start difference. First operand 84 states and 109 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) [2022-11-02 20:39:50,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:39:50,698 INFO L93 Difference]: Finished difference Result 134 states and 174 transitions. [2022-11-02 20:39:50,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:39:50,699 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 [2022-11-02 20:39:50,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:39:50,701 INFO L225 Difference]: With dead ends: 134 [2022-11-02 20:39:50,701 INFO L226 Difference]: Without dead ends: 75 [2022-11-02 20:39:50,702 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 [2022-11-02 20:39:50,704 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 12 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 176 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 [2022-11-02 20:39:50,705 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 176 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:39:50,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2022-11-02 20:39:50,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2022-11-02 20:39:50,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 59 states have (on average 1.3389830508474576) internal successors, (79), 66 states have internal predecessors, (79), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-02 20:39:50,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 97 transitions. [2022-11-02 20:39:50,717 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 97 transitions. Word has length 26 [2022-11-02 20:39:50,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:39:50,718 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 97 transitions. [2022-11-02 20:39:50,718 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) [2022-11-02 20:39:50,718 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 97 transitions. [2022-11-02 20:39:50,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-02 20:39:50,722 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:39:50,723 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] [2022-11-02 20:39:50,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:39:50,723 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:39:50,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:39:50,725 INFO L85 PathProgramCache]: Analyzing trace with hash 1032855392, now seen corresponding path program 1 times [2022-11-02 20:39:50,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:39:50,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987978799] [2022-11-02 20:39:50,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:39:50,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:39:50,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:50,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-02 20:39:50,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:50,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:39:50,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:39:50,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987978799] [2022-11-02 20:39:50,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987978799] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:39:50,915 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:39:50,916 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:39:50,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949099440] [2022-11-02 20:39:50,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:39:50,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:39:50,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:39:50,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:39:50,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:39:50,918 INFO L87 Difference]: Start difference. First operand 75 states and 97 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) [2022-11-02 20:39:51,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:39:51,101 INFO L93 Difference]: Finished difference Result 143 states and 188 transitions. [2022-11-02 20:39:51,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:39:51,102 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 [2022-11-02 20:39:51,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:39:51,108 INFO L225 Difference]: With dead ends: 143 [2022-11-02 20:39:51,109 INFO L226 Difference]: Without dead ends: 75 [2022-11-02 20:39:51,114 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-02 20:39:51,116 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 123 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:39:51,119 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 208 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:39:51,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2022-11-02 20:39:51,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2022-11-02 20:39:51,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 59 states have (on average 1.3220338983050848) internal successors, (78), 66 states have internal predecessors, (78), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-02 20:39:51,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 96 transitions. [2022-11-02 20:39:51,141 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 96 transitions. Word has length 30 [2022-11-02 20:39:51,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:39:51,141 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 96 transitions. [2022-11-02 20:39:51,142 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) [2022-11-02 20:39:51,142 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 96 transitions. [2022-11-02 20:39:51,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-02 20:39:51,151 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:39:51,152 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:39:51,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:39:51,152 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:39:51,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:39:51,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1487539860, now seen corresponding path program 1 times [2022-11-02 20:39:51,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:39:51,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023065695] [2022-11-02 20:39:51,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:39:51,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:39:51,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:51,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-02 20:39:51,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:51,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:39:51,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:39:51,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023065695] [2022-11-02 20:39:51,272 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023065695] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:39:51,272 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:39:51,272 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:39:51,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063895980] [2022-11-02 20:39:51,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:39:51,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:39:51,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:39:51,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:39:51,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:39:51,275 INFO L87 Difference]: Start difference. First operand 75 states and 96 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2022-11-02 20:39:51,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:39:51,312 INFO L93 Difference]: Finished difference Result 188 states and 246 transitions. [2022-11-02 20:39:51,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:39:51,313 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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 38 [2022-11-02 20:39:51,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:39:51,315 INFO L225 Difference]: With dead ends: 188 [2022-11-02 20:39:51,315 INFO L226 Difference]: Without dead ends: 120 [2022-11-02 20:39:51,316 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 [2022-11-02 20:39:51,317 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 61 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:39:51,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 173 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:39:51,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2022-11-02 20:39:51,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 118. [2022-11-02 20:39:51,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 92 states have (on average 1.3043478260869565) internal successors, (120), 100 states have internal predecessors, (120), 13 states have call successors, (13), 12 states have call predecessors, (13), 12 states have return successors, (17), 13 states have call predecessors, (17), 13 states have call successors, (17) [2022-11-02 20:39:51,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 150 transitions. [2022-11-02 20:39:51,366 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 150 transitions. Word has length 38 [2022-11-02 20:39:51,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:39:51,367 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 150 transitions. [2022-11-02 20:39:51,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2022-11-02 20:39:51,367 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 150 transitions. [2022-11-02 20:39:51,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-02 20:39:51,368 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:39:51,369 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:39:51,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:39:51,375 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:39:51,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:39:51,376 INFO L85 PathProgramCache]: Analyzing trace with hash -703403747, now seen corresponding path program 1 times [2022-11-02 20:39:51,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:39:51,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247926645] [2022-11-02 20:39:51,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:39:51,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:39:51,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:51,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-02 20:39:51,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:51,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:39:51,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:51,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-02 20:39:51,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:51,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:39:51,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:39:51,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247926645] [2022-11-02 20:39:51,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247926645] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:39:51,606 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:39:51,606 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:39:51,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442143546] [2022-11-02 20:39:51,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:39:51,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:39:51,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:39:51,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:39:51,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:39:51,608 INFO L87 Difference]: Start difference. First operand 118 states and 150 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-02 20:39:51,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:39:51,927 INFO L93 Difference]: Finished difference Result 349 states and 461 transitions. [2022-11-02 20:39:51,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 20:39:51,928 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 46 [2022-11-02 20:39:51,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:39:51,931 INFO L225 Difference]: With dead ends: 349 [2022-11-02 20:39:51,931 INFO L226 Difference]: Without dead ends: 238 [2022-11-02 20:39:51,933 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-02 20:39:51,934 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 136 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:39:51,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 373 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 20:39:51,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2022-11-02 20:39:52,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 230. [2022-11-02 20:39:52,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 179 states have (on average 1.2793296089385475) internal successors, (229), 190 states have internal predecessors, (229), 26 states have call successors, (26), 22 states have call predecessors, (26), 24 states have return successors, (40), 26 states have call predecessors, (40), 26 states have call successors, (40) [2022-11-02 20:39:52,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 295 transitions. [2022-11-02 20:39:52,007 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 295 transitions. Word has length 46 [2022-11-02 20:39:52,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:39:52,008 INFO L495 AbstractCegarLoop]: Abstraction has 230 states and 295 transitions. [2022-11-02 20:39:52,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-02 20:39:52,009 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 295 transitions. [2022-11-02 20:39:52,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-02 20:39:52,010 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:39:52,010 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:39:52,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 20:39:52,011 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:39:52,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:39:52,012 INFO L85 PathProgramCache]: Analyzing trace with hash 1237679491, now seen corresponding path program 1 times [2022-11-02 20:39:52,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:39:52,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657125906] [2022-11-02 20:39:52,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:39:52,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:39:52,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:52,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 20:39:52,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:52,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:39:52,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:52,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:39:52,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:52,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 20:39:52,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:52,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:39:52,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:39:52,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657125906] [2022-11-02 20:39:52,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657125906] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:39:52,210 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:39:52,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:39:52,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118635014] [2022-11-02 20:39:52,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:39:52,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:39:52,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:39:52,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:39:52,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:39:52,212 INFO L87 Difference]: Start difference. First operand 230 states and 295 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 20:39:52,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:39:52,898 INFO L93 Difference]: Finished difference Result 606 states and 833 transitions. [2022-11-02 20:39:52,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-02 20:39:52,899 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 50 [2022-11-02 20:39:52,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:39:52,905 INFO L225 Difference]: With dead ends: 606 [2022-11-02 20:39:52,910 INFO L226 Difference]: Without dead ends: 469 [2022-11-02 20:39:52,912 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2022-11-02 20:39:52,914 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 311 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-02 20:39:52,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 380 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 320 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-02 20:39:52,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2022-11-02 20:39:53,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 405. [2022-11-02 20:39:53,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 315 states have (on average 1.253968253968254) internal successors, (395), 337 states have internal predecessors, (395), 46 states have call successors, (46), 32 states have call predecessors, (46), 43 states have return successors, (91), 48 states have call predecessors, (91), 46 states have call successors, (91) [2022-11-02 20:39:53,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 532 transitions. [2022-11-02 20:39:53,033 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 532 transitions. Word has length 50 [2022-11-02 20:39:53,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:39:53,035 INFO L495 AbstractCegarLoop]: Abstraction has 405 states and 532 transitions. [2022-11-02 20:39:53,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 20:39:53,035 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 532 transitions. [2022-11-02 20:39:53,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-02 20:39:53,042 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:39:53,043 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:39:53,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-02 20:39:53,043 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:39:53,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:39:53,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1103665985, now seen corresponding path program 1 times [2022-11-02 20:39:53,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:39:53,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121630670] [2022-11-02 20:39:53,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:39:53,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:39:53,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:53,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 20:39:53,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:53,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:39:53,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:53,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:39:53,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:53,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 20:39:53,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:53,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:39:53,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:39:53,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121630670] [2022-11-02 20:39:53,198 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121630670] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:39:53,198 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:39:53,199 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:39:53,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5613816] [2022-11-02 20:39:53,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:39:53,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:39:53,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:39:53,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:39:53,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:39:53,201 INFO L87 Difference]: Start difference. First operand 405 states and 532 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 20:39:53,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:39:53,582 INFO L93 Difference]: Finished difference Result 781 states and 1049 transitions. [2022-11-02 20:39:53,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-02 20:39:53,583 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 50 [2022-11-02 20:39:53,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:39:53,588 INFO L225 Difference]: With dead ends: 781 [2022-11-02 20:39:53,588 INFO L226 Difference]: Without dead ends: 465 [2022-11-02 20:39:53,590 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-11-02 20:39:53,591 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 170 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:39:53,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 350 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-02 20:39:53,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2022-11-02 20:39:53,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 405. [2022-11-02 20:39:53,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 315 states have (on average 1.2507936507936508) internal successors, (394), 337 states have internal predecessors, (394), 46 states have call successors, (46), 32 states have call predecessors, (46), 43 states have return successors, (91), 48 states have call predecessors, (91), 46 states have call successors, (91) [2022-11-02 20:39:53,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 531 transitions. [2022-11-02 20:39:53,659 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 531 transitions. Word has length 50 [2022-11-02 20:39:53,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:39:53,660 INFO L495 AbstractCegarLoop]: Abstraction has 405 states and 531 transitions. [2022-11-02 20:39:53,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 20:39:53,660 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 531 transitions. [2022-11-02 20:39:53,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-02 20:39:53,662 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:39:53,662 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:39:53,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-02 20:39:53,663 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:39:53,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:39:53,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1322520703, now seen corresponding path program 1 times [2022-11-02 20:39:53,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:39:53,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015234507] [2022-11-02 20:39:53,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:39:53,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:39:53,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:53,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 20:39:53,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:53,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:39:53,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:53,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:39:53,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:53,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 20:39:53,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:53,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:39:53,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:39:53,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015234507] [2022-11-02 20:39:53,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015234507] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:39:53,798 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:39:53,798 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:39:53,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477568311] [2022-11-02 20:39:53,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:39:53,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:39:53,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:39:53,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:39:53,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:39:53,800 INFO L87 Difference]: Start difference. First operand 405 states and 531 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 20:39:54,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:39:54,169 INFO L93 Difference]: Finished difference Result 858 states and 1156 transitions. [2022-11-02 20:39:54,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 20:39:54,170 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 50 [2022-11-02 20:39:54,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:39:54,174 INFO L225 Difference]: With dead ends: 858 [2022-11-02 20:39:54,174 INFO L226 Difference]: Without dead ends: 460 [2022-11-02 20:39:54,176 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-11-02 20:39:54,177 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 173 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:39:54,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 404 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 20:39:54,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2022-11-02 20:39:54,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 408. [2022-11-02 20:39:54,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 320 states have (on average 1.24375) internal successors, (398), 341 states have internal predecessors, (398), 45 states have call successors, (45), 31 states have call predecessors, (45), 42 states have return successors, (90), 47 states have call predecessors, (90), 45 states have call successors, (90) [2022-11-02 20:39:54,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 533 transitions. [2022-11-02 20:39:54,228 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 533 transitions. Word has length 50 [2022-11-02 20:39:54,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:39:54,228 INFO L495 AbstractCegarLoop]: Abstraction has 408 states and 533 transitions. [2022-11-02 20:39:54,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 20:39:54,229 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 533 transitions. [2022-11-02 20:39:54,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-02 20:39:54,230 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:39:54,230 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] [2022-11-02 20:39:54,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-02 20:39:54,231 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:39:54,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:39:54,232 INFO L85 PathProgramCache]: Analyzing trace with hash -782958681, now seen corresponding path program 1 times [2022-11-02 20:39:54,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:39:54,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033847478] [2022-11-02 20:39:54,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:39:54,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:39:54,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:54,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 20:39:54,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:54,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:39:54,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:54,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:39:54,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:54,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-02 20:39:54,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:54,407 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-02 20:39:54,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:39:54,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033847478] [2022-11-02 20:39:54,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033847478] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:39:54,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [939718117] [2022-11-02 20:39:54,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:39:54,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:39:54,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e93d882-2561-4d01-bd09-6695490aae35/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:39:54,413 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e93d882-2561-4d01-bd09-6695490aae35/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:39:54,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e93d882-2561-4d01-bd09-6695490aae35/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-02 20:39:54,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:54,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-02 20:39:54,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:39:54,865 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:39:54,866 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:39:54,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [939718117] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:39:54,866 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:39:54,866 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 14 [2022-11-02 20:39:54,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115412254] [2022-11-02 20:39:54,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:39:54,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:39:54,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:39:54,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:39:54,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2022-11-02 20:39:54,868 INFO L87 Difference]: Start difference. First operand 408 states and 533 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 20:39:55,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:39:55,074 INFO L93 Difference]: Finished difference Result 1193 states and 1596 transitions. [2022-11-02 20:39:55,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:39:55,075 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 55 [2022-11-02 20:39:55,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:39:55,081 INFO L225 Difference]: With dead ends: 1193 [2022-11-02 20:39:55,081 INFO L226 Difference]: Without dead ends: 792 [2022-11-02 20:39:55,083 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2022-11-02 20:39:55,084 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 62 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:39:55,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 502 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:39:55,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 792 states. [2022-11-02 20:39:55,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 792 to 790. [2022-11-02 20:39:55,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 790 states, 618 states have (on average 1.233009708737864) internal successors, (762), 656 states have internal predecessors, (762), 89 states have call successors, (89), 62 states have call predecessors, (89), 82 states have return successors, (180), 91 states have call predecessors, (180), 89 states have call successors, (180) [2022-11-02 20:39:55,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1031 transitions. [2022-11-02 20:39:55,174 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1031 transitions. Word has length 55 [2022-11-02 20:39:55,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:39:55,175 INFO L495 AbstractCegarLoop]: Abstraction has 790 states and 1031 transitions. [2022-11-02 20:39:55,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 20:39:55,175 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1031 transitions. [2022-11-02 20:39:55,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-02 20:39:55,177 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:39:55,178 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] [2022-11-02 20:39:55,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e93d882-2561-4d01-bd09-6695490aae35/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-02 20:39:55,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e93d882-2561-4d01-bd09-6695490aae35/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:39:55,394 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:39:55,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:39:55,394 INFO L85 PathProgramCache]: Analyzing trace with hash 844263809, now seen corresponding path program 1 times [2022-11-02 20:39:55,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:39:55,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500913159] [2022-11-02 20:39:55,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:39:55,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:39:55,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:55,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 20:39:55,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:55,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:39:55,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:55,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:39:55,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:55,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-02 20:39:55,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:55,616 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-02 20:39:55,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:39:55,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500913159] [2022-11-02 20:39:55,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500913159] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:39:55,617 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:39:55,617 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-02 20:39:55,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359227511] [2022-11-02 20:39:55,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:39:55,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-02 20:39:55,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:39:55,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-02 20:39:55,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-11-02 20:39:55,620 INFO L87 Difference]: Start difference. First operand 790 states and 1031 transitions. Second operand has 10 states, 10 states have (on average 4.5) internal successors, (45), 8 states have internal predecessors, (45), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 20:39:56,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:39:56,207 INFO L93 Difference]: Finished difference Result 1552 states and 2021 transitions. [2022-11-02 20:39:56,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-02 20:39:56,208 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 8 states have internal predecessors, (45), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 56 [2022-11-02 20:39:56,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:39:56,214 INFO L225 Difference]: With dead ends: 1552 [2022-11-02 20:39:56,215 INFO L226 Difference]: Without dead ends: 769 [2022-11-02 20:39:56,220 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=330, Unknown=0, NotChecked=0, Total=420 [2022-11-02 20:39:56,221 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 256 mSDsluCounter, 566 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 721 SdHoareTripleChecker+Invalid, 597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-02 20:39:56,222 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 721 Invalid, 597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-02 20:39:56,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2022-11-02 20:39:56,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 746. [2022-11-02 20:39:56,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 746 states, 586 states have (on average 1.204778156996587) internal successors, (706), 620 states have internal predecessors, (706), 81 states have call successors, (81), 62 states have call predecessors, (81), 78 states have return successors, (123), 82 states have call predecessors, (123), 81 states have call successors, (123) [2022-11-02 20:39:56,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 746 states and 910 transitions. [2022-11-02 20:39:56,298 INFO L78 Accepts]: Start accepts. Automaton has 746 states and 910 transitions. Word has length 56 [2022-11-02 20:39:56,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:39:56,299 INFO L495 AbstractCegarLoop]: Abstraction has 746 states and 910 transitions. [2022-11-02 20:39:56,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.5) internal successors, (45), 8 states have internal predecessors, (45), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 20:39:56,300 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 910 transitions. [2022-11-02 20:39:56,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-02 20:39:56,301 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:39:56,302 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] [2022-11-02 20:39:56,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-02 20:39:56,310 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:39:56,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:39:56,310 INFO L85 PathProgramCache]: Analyzing trace with hash 605332931, now seen corresponding path program 1 times [2022-11-02 20:39:56,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:39:56,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333310565] [2022-11-02 20:39:56,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:39:56,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:39:56,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:56,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 20:39:56,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:56,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-02 20:39:56,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:56,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-02 20:39:56,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:56,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:39:56,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:56,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-02 20:39:56,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:56,560 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-02 20:39:56,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:39:56,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333310565] [2022-11-02 20:39:56,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333310565] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:39:56,561 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:39:56,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-02 20:39:56,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623116494] [2022-11-02 20:39:56,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:39:56,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-02 20:39:56,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:39:56,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-02 20:39:56,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2022-11-02 20:39:56,563 INFO L87 Difference]: Start difference. First operand 746 states and 910 transitions. Second operand has 12 states, 12 states have (on average 4.0) internal successors, (48), 8 states have internal predecessors, (48), 2 states have call successors, (6), 5 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-02 20:39:58,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:39:58,002 INFO L93 Difference]: Finished difference Result 1486 states and 1832 transitions. [2022-11-02 20:39:58,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-02 20:39:58,003 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.0) internal successors, (48), 8 states have internal predecessors, (48), 2 states have call successors, (6), 5 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 59 [2022-11-02 20:39:58,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:39:58,007 INFO L225 Difference]: With dead ends: 1486 [2022-11-02 20:39:58,007 INFO L226 Difference]: Without dead ends: 747 [2022-11-02 20:39:58,010 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 287 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=262, Invalid=1070, Unknown=0, NotChecked=0, Total=1332 [2022-11-02 20:39:58,011 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 297 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 1316 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 1462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 1316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:39:58,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 415 Invalid, 1462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 1316 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-02 20:39:58,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2022-11-02 20:39:58,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 714. [2022-11-02 20:39:58,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 714 states, 554 states have (on average 1.1732851985559567) internal successors, (650), 588 states have internal predecessors, (650), 81 states have call successors, (81), 62 states have call predecessors, (81), 78 states have return successors, (117), 82 states have call predecessors, (117), 81 states have call successors, (117) [2022-11-02 20:39:58,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 714 states and 848 transitions. [2022-11-02 20:39:58,082 INFO L78 Accepts]: Start accepts. Automaton has 714 states and 848 transitions. Word has length 59 [2022-11-02 20:39:58,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:39:58,082 INFO L495 AbstractCegarLoop]: Abstraction has 714 states and 848 transitions. [2022-11-02 20:39:58,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.0) internal successors, (48), 8 states have internal predecessors, (48), 2 states have call successors, (6), 5 states have call predecessors, (6), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-02 20:39:58,083 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 848 transitions. [2022-11-02 20:39:58,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-11-02 20:39:58,086 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:39:58,087 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:39:58,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-02 20:39:58,087 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:39:58,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:39:58,088 INFO L85 PathProgramCache]: Analyzing trace with hash 486604430, now seen corresponding path program 1 times [2022-11-02 20:39:58,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:39:58,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524816450] [2022-11-02 20:39:58,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:39:58,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:39:58,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:58,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 20:39:58,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:58,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-02 20:39:58,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:58,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:39:58,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:58,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:39:58,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:58,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:39:58,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:58,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-02 20:39:58,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:58,567 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-02 20:39:58,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:39:58,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524816450] [2022-11-02 20:39:58,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524816450] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:39:58,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1307266299] [2022-11-02 20:39:58,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:39:58,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:39:58,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e93d882-2561-4d01-bd09-6695490aae35/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:39:58,570 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e93d882-2561-4d01-bd09-6695490aae35/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:39:58,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e93d882-2561-4d01-bd09-6695490aae35/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-02 20:39:58,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:39:58,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-02 20:39:58,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:39:58,965 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-02 20:39:58,965 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:39:59,376 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-02 20:39:59,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1307266299] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:39:59,377 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:39:59,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 9] total 21 [2022-11-02 20:39:59,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025217931] [2022-11-02 20:39:59,378 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:39:59,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-11-02 20:39:59,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:39:59,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-02 20:39:59,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=353, Unknown=0, NotChecked=0, Total=420 [2022-11-02 20:39:59,380 INFO L87 Difference]: Start difference. First operand 714 states and 848 transitions. Second operand has 21 states, 21 states have (on average 6.619047619047619) internal successors, (139), 15 states have internal predecessors, (139), 7 states have call successors, (18), 10 states have call predecessors, (18), 9 states have return successors, (17), 9 states have call predecessors, (17), 7 states have call successors, (17) [2022-11-02 20:40:01,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:40:01,470 INFO L93 Difference]: Finished difference Result 1481 states and 1818 transitions. [2022-11-02 20:40:01,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-11-02 20:40:01,471 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 6.619047619047619) internal successors, (139), 15 states have internal predecessors, (139), 7 states have call successors, (18), 10 states have call predecessors, (18), 9 states have return successors, (17), 9 states have call predecessors, (17), 7 states have call successors, (17) Word has length 87 [2022-11-02 20:40:01,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:40:01,472 INFO L225 Difference]: With dead ends: 1481 [2022-11-02 20:40:01,472 INFO L226 Difference]: Without dead ends: 0 [2022-11-02 20:40:01,477 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 176 SyntacticMatches, 9 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1020 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1010, Invalid=3022, Unknown=0, NotChecked=0, Total=4032 [2022-11-02 20:40:01,478 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 875 mSDsluCounter, 665 mSDsCounter, 0 mSdLazyCounter, 1016 mSolverCounterSat, 385 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 877 SdHoareTripleChecker+Valid, 752 SdHoareTripleChecker+Invalid, 1401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 385 IncrementalHoareTripleChecker+Valid, 1016 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:40:01,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [877 Valid, 752 Invalid, 1401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [385 Valid, 1016 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-02 20:40:01,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-02 20:40:01,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-02 20:40:01,480 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) [2022-11-02 20:40:01,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-02 20:40:01,481 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 87 [2022-11-02 20:40:01,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:40:01,481 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:40:01,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 6.619047619047619) internal successors, (139), 15 states have internal predecessors, (139), 7 states have call successors, (18), 10 states have call predecessors, (18), 9 states have return successors, (17), 9 states have call predecessors, (17), 7 states have call successors, (17) [2022-11-02 20:40:01,481 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-02 20:40:01,482 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-02 20:40:01,485 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-02 20:40:01,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e93d882-2561-4d01-bd09-6695490aae35/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-02 20:40:01,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e93d882-2561-4d01-bd09-6695490aae35/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:40:01,715 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-02 20:40:09,668 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 641 647) no Hoare annotation was computed. [2022-11-02 20:40:09,669 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 641 647) the Hoare annotation is: true [2022-11-02 20:40:09,669 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 450 461) the Hoare annotation is: (let ((.cse1 (not (= ~pumpRunning~0 0))) (.cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse6 (not (<= 1 ~pumpRunning~0))) (.cse5 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse4 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse3 .cse5 .cse4) (or .cse0 .cse2 .cse3 .cse6 .cse4) (or .cse2 .cse3 .cse6 .cse5 .cse4))) [2022-11-02 20:40:09,669 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 450 461) no Hoare annotation was computed. [2022-11-02 20:40:09,670 INFO L899 garLoopResultBuilder]: For program point L454-1(lines 450 461) no Hoare annotation was computed. [2022-11-02 20:40:09,670 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 896 925) no Hoare annotation was computed. [2022-11-02 20:40:09,670 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 896 925) the Hoare annotation is: true [2022-11-02 20:40:09,670 INFO L902 garLoopResultBuilder]: At program point L921(lines 896 925) the Hoare annotation is: true [2022-11-02 20:40:09,670 INFO L899 garLoopResultBuilder]: For program point L917(line 917) no Hoare annotation was computed. [2022-11-02 20:40:09,670 INFO L899 garLoopResultBuilder]: For program point L910(lines 910 914) no Hoare annotation was computed. [2022-11-02 20:40:09,671 INFO L902 garLoopResultBuilder]: At program point L910-1(lines 910 914) the Hoare annotation is: true [2022-11-02 20:40:09,671 INFO L899 garLoopResultBuilder]: For program point L907(line 907) no Hoare annotation was computed. [2022-11-02 20:40:09,671 INFO L902 garLoopResultBuilder]: At program point L906-2(lines 906 920) the Hoare annotation is: true [2022-11-02 20:40:09,671 INFO L902 garLoopResultBuilder]: At program point L902(line 902) the Hoare annotation is: true [2022-11-02 20:40:09,677 INFO L899 garLoopResultBuilder]: For program point L902-1(line 902) no Hoare annotation was computed. [2022-11-02 20:40:09,678 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 596) no Hoare annotation was computed. [2022-11-02 20:40:09,678 INFO L899 garLoopResultBuilder]: For program point L605(line 605) no Hoare annotation was computed. [2022-11-02 20:40:09,678 INFO L895 garLoopResultBuilder]: At program point L824(lines 809 827) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse6 .cse3) (or .cse0 .cse1 .cse6 .cse3))) [2022-11-02 20:40:09,679 INFO L895 garLoopResultBuilder]: At program point L750(lines 745 753) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (<= |old(~waterLevel~0)| 1)) .cse4 .cse0 .cse2) (or .cse0 .cse1 .cse5 .cse3) (or .cse4 .cse0 .cse2 (and (<= 1 ~pumpRunning~0) (not (= |timeShift_isPumpRunning_#res#1| 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (= |timeShift___utac_acc__Specification3_spec__1_~tmp~3#1| 0)) .cse3) (or .cse4 .cse0 .cse5 .cse3))) [2022-11-02 20:40:09,679 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 617 640) no Hoare annotation was computed. [2022-11-02 20:40:09,679 INFO L895 garLoopResultBuilder]: At program point L606(lines 601 608) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse3) (or .cse0 .cse1 .cse5 .cse3))) [2022-11-02 20:40:09,680 INFO L895 garLoopResultBuilder]: At program point L499(lines 494 502) the Hoare annotation is: (let ((.cse6 (<= |timeShift_getWaterLevel_#res#1| 1)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (<= ~waterLevel~0 1)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= |timeShift___utac_acc__Specification3_spec__1_~tmp~3#1| 0)) (.cse9 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse10 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (not (<= |old(~waterLevel~0)| 2)))) (and (let ((.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5 .cse6) .cse7 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3 .cse4 .cse5 .cse6) .cse8)) (or .cse9 (not (= |old(~waterLevel~0)| 1)) .cse0 .cse7 (= |timeShift_getWaterLevel_#res#1| 1)) (or (not (<= |old(~waterLevel~0)| 1)) .cse9 .cse0 .cse7 .cse6) (or .cse0 .cse1 .cse10 .cse8) (let ((.cse11 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse9 .cse0 (and .cse2 .cse3 .cse11 .cse5) .cse7 (and (<= 1 ~pumpRunning~0) .cse11 .cse5) .cse8)) (or .cse9 .cse0 .cse10 .cse8))) [2022-11-02 20:40:09,680 INFO L895 garLoopResultBuilder]: At program point L689(line 689) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse6 .cse3) (or .cse0 .cse1 .cse6 .cse3))) [2022-11-02 20:40:09,681 INFO L899 garLoopResultBuilder]: For program point L586(lines 586 592) no Hoare annotation was computed. [2022-11-02 20:40:09,681 INFO L899 garLoopResultBuilder]: For program point L582(lines 582 595) no Hoare annotation was computed. [2022-11-02 20:40:09,681 INFO L895 garLoopResultBuilder]: At program point L582-1(lines 567 599) the Hoare annotation is: (let ((.cse12 (= |timeShift___utac_acc__Specification3_spec__1_~tmp~3#1| 0)) (.cse4 (= 1 ~systemActive~0))) (let ((.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse10 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse9 (not (<= |old(~waterLevel~0)| 1))) (.cse11 (<= |timeShift___utac_acc__Specification3_spec__1_~tmp___0~0#1| 1)) (.cse13 (<= |timeShift_getWaterLevel_#res#1| 1)) (.cse1 (<= ~waterLevel~0 1)) (.cse14 (not (= ~methaneLevelCritical~0 0))) (.cse15 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not .cse4)) (.cse3 (= ~pumpRunning~0 0)) (.cse16 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not .cse12)) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and .cse0 .cse1 .cse2) (and .cse3 .cse1 .cse4 .cse2) .cse5 .cse6 .cse7 .cse8) (or .cse9 .cse5 .cse6 .cse7 .cse10) (or .cse5 .cse6 (and .cse3 .cse1 .cse4 .cse11 .cse10 .cse12 .cse13) .cse14 .cse8 (and .cse0 .cse1 .cse11 .cse10 .cse12 .cse13)) (or .cse9 .cse15 (and .cse11 .cse13) .cse5 .cse14) (or .cse15 .cse5 (and .cse3 .cse1 .cse16 .cse12) .cse14 (and (<= 1 ~pumpRunning~0) .cse16 .cse12) .cse8) (or .cse15 .cse5 (and .cse3 .cse16 .cse2) .cse7 .cse8)))) [2022-11-02 20:40:09,682 INFO L895 garLoopResultBuilder]: At program point L574(line 574) the Hoare annotation is: (let ((.cse11 (= 1 ~systemActive~0))) (let ((.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse10 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not .cse11)) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (<= ~waterLevel~0 1)) (.cse6 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and .cse0 .cse1 .cse2) .cse3 .cse4 .cse5 (and (<= 1 ~pumpRunning~0) .cse2) .cse6) (or .cse4 (and .cse7 .cse1 .cse8) .cse9 .cse10 (and .cse0 .cse1 .cse11 .cse8) .cse6) (or (not (<= |old(~waterLevel~0)| 1)) .cse4 .cse9 .cse5 .cse8) (or .cse3 (and .cse0 .cse2) .cse4 .cse10 .cse6) (or (and .cse7 .cse1) .cse4 .cse9 .cse5 (and .cse0 .cse1 .cse11) .cse6)))) [2022-11-02 20:40:09,682 INFO L899 garLoopResultBuilder]: For program point L574-1(line 574) no Hoare annotation was computed. [2022-11-02 20:40:09,682 INFO L895 garLoopResultBuilder]: At program point L731(lines 726 733) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse6 (and (= ~pumpRunning~0 0) (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse6 .cse3) (or .cse0 .cse1 .cse5 .cse3) (or .cse1 .cse4 .cse2 .cse6 .cse3))) [2022-11-02 20:40:09,682 INFO L895 garLoopResultBuilder]: At program point L694(line 694) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse5 .cse3 .cse4) (or .cse2 .cse5 .cse6 .cse4) (or .cse0 .cse1 .cse2 .cse6 .cse4))) [2022-11-02 20:40:09,683 INFO L895 garLoopResultBuilder]: At program point L694-1(lines 675 699) the Hoare annotation is: (let ((.cse11 (= 1 ~systemActive~0))) (let ((.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse10 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not .cse11)) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (<= ~waterLevel~0 1)) (.cse6 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and .cse0 .cse1 .cse2) .cse3 .cse4 .cse5 (and (<= 1 ~pumpRunning~0) .cse2) .cse6) (or .cse4 (and .cse7 .cse1 .cse8) .cse9 .cse10 (and .cse0 .cse1 .cse11 .cse8) .cse6) (or (not (<= |old(~waterLevel~0)| 1)) .cse4 .cse9 .cse5 .cse8) (or .cse3 (and .cse0 .cse2) .cse4 .cse10 .cse6) (or (and .cse7 .cse1) .cse4 .cse9 .cse5 (and .cse0 .cse1 .cse11) .cse6)))) [2022-11-02 20:40:09,683 INFO L899 garLoopResultBuilder]: For program point L628-1(lines 628 634) no Hoare annotation was computed. [2022-11-02 20:40:09,683 INFO L899 garLoopResultBuilder]: For program point L818(lines 818 822) no Hoare annotation was computed. [2022-11-02 20:40:09,683 INFO L899 garLoopResultBuilder]: For program point L818-2(lines 818 822) no Hoare annotation was computed. [2022-11-02 20:40:09,683 INFO L899 garLoopResultBuilder]: For program point L430(lines 430 434) no Hoare annotation was computed. [2022-11-02 20:40:09,684 INFO L895 garLoopResultBuilder]: At program point L430-2(lines 426 437) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse6 .cse3) (or .cse0 .cse1 .cse6 .cse3))) [2022-11-02 20:40:09,684 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 617 640) the Hoare annotation is: (let ((.cse8 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (and (= ~pumpRunning~0 0) .cse8)) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse8)) (.cse4 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse0 .cse7 .cse4) (or .cse5 .cse6 .cse0 .cse2 .cse4) (or .cse0 .cse1 .cse7 .cse3 .cse4)))) [2022-11-02 20:40:09,684 INFO L899 garLoopResultBuilder]: For program point L621-1(lines 620 639) no Hoare annotation was computed. [2022-11-02 20:40:09,684 INFO L899 garLoopResultBuilder]: For program point L683(lines 683 691) no Hoare annotation was computed. [2022-11-02 20:40:09,685 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 617 640) no Hoare annotation was computed. [2022-11-02 20:40:09,685 INFO L895 garLoopResultBuilder]: At program point L522(lines 517 525) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse6 .cse3) (or .cse0 .cse1 .cse6 .cse3))) [2022-11-02 20:40:09,685 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 605) no Hoare annotation was computed. [2022-11-02 20:40:09,685 INFO L899 garLoopResultBuilder]: For program point L679(lines 679 696) no Hoare annotation was computed. [2022-11-02 20:40:09,686 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 462 470) the Hoare annotation is: true [2022-11-02 20:40:09,686 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 462 470) no Hoare annotation was computed. [2022-11-02 20:40:09,686 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 462 470) no Hoare annotation was computed. [2022-11-02 20:40:09,686 INFO L895 garLoopResultBuilder]: At program point L886(lines 839 887) the Hoare annotation is: false [2022-11-02 20:40:09,686 INFO L899 garLoopResultBuilder]: For program point L977(lines 977 984) no Hoare annotation was computed. [2022-11-02 20:40:09,687 INFO L895 garLoopResultBuilder]: At program point L560(lines 555 563) 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)) [2022-11-02 20:40:09,687 INFO L899 garLoopResultBuilder]: For program point L977-2(lines 977 984) no Hoare annotation was computed. [2022-11-02 20:40:09,687 INFO L899 garLoopResultBuilder]: For program point L841(lines 840 885) no Hoare annotation was computed. [2022-11-02 20:40:09,687 INFO L895 garLoopResultBuilder]: At program point L552(lines 548 554) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-02 20:40:09,687 INFO L899 garLoopResultBuilder]: For program point L870(lines 870 881) no Hoare annotation was computed. [2022-11-02 20:40:09,687 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-02 20:40:09,688 INFO L895 garLoopResultBuilder]: At program point L862(line 862) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse0 (= ~pumpRunning~0 0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse8 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (<= ~waterLevel~0 2)) (.cse6 (= |ULTIMATE.start_main_~tmp~10#1| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse8 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse2 .cse3 .cse4 .cse5 .cse6))) [2022-11-02 20:40:09,688 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-02 20:40:09,688 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-02 20:40:09,688 INFO L902 garLoopResultBuilder]: At program point L986(lines 967 989) the Hoare annotation is: true [2022-11-02 20:40:09,688 INFO L895 garLoopResultBuilder]: At program point L883(lines 840 885) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse8 (<= ~waterLevel~0 1)) (.cse9 (= ~pumpRunning~0 0)) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (<= ~waterLevel~0 2)) (.cse6 (= |ULTIMATE.start_main_~tmp~10#1| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse7 .cse8 .cse2 .cse3 .cse4 .cse6) (and .cse9 .cse1 .cse8 .cse2 .cse3 .cse4 .cse6) (and .cse9 .cse7 .cse2 .cse3 .cse4 .cse5 .cse6))) [2022-11-02 20:40:09,689 INFO L899 garLoopResultBuilder]: For program point L850(lines 850 856) no Hoare annotation was computed. [2022-11-02 20:40:09,689 INFO L899 garLoopResultBuilder]: For program point L850-1(lines 850 856) no Hoare annotation was computed. [2022-11-02 20:40:09,689 INFO L899 garLoopResultBuilder]: For program point L842(lines 842 846) no Hoare annotation was computed. [2022-11-02 20:40:09,689 INFO L895 garLoopResultBuilder]: At program point L545(lines 541 547) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-02 20:40:09,689 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-02 20:40:09,690 INFO L895 garLoopResultBuilder]: At program point L954(lines 950 956) 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) (= |ULTIMATE.start_main_~tmp~10#1| 1)) [2022-11-02 20:40:09,690 INFO L899 garLoopResultBuilder]: For program point L876(lines 876 880) no Hoare annotation was computed. [2022-11-02 20:40:09,690 INFO L895 garLoopResultBuilder]: At program point L876-2(lines 870 881) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse0 (= ~pumpRunning~0 0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse8 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (<= ~waterLevel~0 2)) (.cse6 (= |ULTIMATE.start_main_~tmp~10#1| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse8 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse2 .cse3 .cse4 .cse5 .cse6))) [2022-11-02 20:40:09,690 INFO L899 garLoopResultBuilder]: For program point L860(lines 860 866) no Hoare annotation was computed. [2022-11-02 20:40:09,690 INFO L899 garLoopResultBuilder]: For program point L860-1(lines 860 866) no Hoare annotation was computed. [2022-11-02 20:40:09,691 INFO L902 garLoopResultBuilder]: At program point L889(lines 830 893) the Hoare annotation is: true [2022-11-02 20:40:09,691 INFO L895 garLoopResultBuilder]: At program point L852(line 852) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse8 (<= ~waterLevel~0 1)) (.cse9 (= ~pumpRunning~0 0)) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (<= ~waterLevel~0 2)) (.cse6 (= |ULTIMATE.start_main_~tmp~10#1| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse7 (= |ULTIMATE.start_valid_product_#res#1| 1) .cse8 .cse3 .cse4 .cse6) (and .cse9 .cse1 .cse8 .cse2 .cse3 .cse4 .cse6) (and .cse9 .cse7 .cse2 .cse3 .cse4 .cse5 .cse6))) [2022-11-02 20:40:09,691 INFO L902 garLoopResultBuilder]: At program point L964(lines 957 966) the Hoare annotation is: true [2022-11-02 20:40:09,691 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 649 673) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (<= ~waterLevel~0 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 1 ~systemActive~0))) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse6 .cse3 .cse7) (or .cse5 .cse2 .cse6 .cse8 .cse7) (or .cse0 .cse1 .cse2 .cse8 .cse4))) [2022-11-02 20:40:09,692 INFO L895 garLoopResultBuilder]: At program point L512(lines 503 516) the Hoare annotation is: (let ((.cse9 (<= ~waterLevel~0 1)) (.cse10 (= ~pumpRunning~0 0))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (and .cse10 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0))) (.cse4 (not (<= ~waterLevel~0 2))) (.cse5 (and .cse10 .cse9)) (.cse1 (not (= 1 ~systemActive~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not .cse9))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse6 .cse3 .cse7) (or .cse0 .cse1 .cse8 .cse2 .cse4 .cse5) (or .cse1 .cse6 .cse8 .cse7)))) [2022-11-02 20:40:09,692 INFO L899 garLoopResultBuilder]: For program point L799(lines 799 803) no Hoare annotation was computed. [2022-11-02 20:40:09,692 INFO L899 garLoopResultBuilder]: For program point L799-2(lines 799 803) no Hoare annotation was computed. [2022-11-02 20:40:09,692 INFO L895 garLoopResultBuilder]: At program point L663(line 663) the Hoare annotation is: (let ((.cse8 (<= ~waterLevel~0 1))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0) .cse8)) (.cse4 (not (<= ~waterLevel~0 2))) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not .cse8))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse5 .cse3 .cse6) (or .cse0 .cse1 .cse2 .cse7 .cse4) (or .cse2 .cse5 .cse7 .cse6)))) [2022-11-02 20:40:09,693 INFO L899 garLoopResultBuilder]: For program point L657(lines 657 665) no Hoare annotation was computed. [2022-11-02 20:40:09,693 INFO L899 garLoopResultBuilder]: For program point L653(lines 653 670) no Hoare annotation was computed. [2022-11-02 20:40:09,693 INFO L895 garLoopResultBuilder]: At program point L705(lines 700 707) the Hoare annotation is: (let ((.cse5 (<= ~waterLevel~0 1))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= ~waterLevel~0 2))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse10 (not .cse5))) (and (or .cse0 .cse1 .cse2 .cse3) (let ((.cse4 (<= 1 ~pumpRunning~0)) (.cse6 (= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_activatePump_~tmp~6#1|)) (.cse7 (= |processEnvironment__wrappee__highWaterSensor_isMethaneAlarm_#res#1| ~methaneLevelCritical~0))) (or (and .cse4 .cse5 .cse6 .cse7) .cse0 .cse1 .cse8 (and .cse4 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~7#1| 0) .cse6 .cse7 (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1|) (<= 1 |processEnvironment__wrappee__highWaterSensor_~tmp~4#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) .cse3)) (or .cse1 .cse9 .cse8 .cse10) (or .cse1 .cse9 .cse2 .cse10)))) [2022-11-02 20:40:09,693 INFO L895 garLoopResultBuilder]: At program point L668(line 668) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= ~waterLevel~0 2))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse5 .cse1 .cse6 .cse4 .cse7) (or .cse5 .cse1 .cse6 .cse2 .cse7))) [2022-11-02 20:40:09,694 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 649 673) no Hoare annotation was computed. [2022-11-02 20:40:09,694 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 513) no Hoare annotation was computed. [2022-11-02 20:40:09,694 INFO L899 garLoopResultBuilder]: For program point L668-1(lines 649 673) no Hoare annotation was computed. [2022-11-02 20:40:09,694 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 722) no Hoare annotation was computed. [2022-11-02 20:40:09,694 INFO L895 garLoopResultBuilder]: At program point L716-2(lines 709 725) the Hoare annotation is: (let ((.cse11 (<= ~waterLevel~0 1))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~7#1| 0)) (.cse5 (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|)) (.cse7 (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1|)) (.cse9 (<= 1 |processEnvironment__wrappee__highWaterSensor_~tmp~4#1|)) (.cse10 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) (.cse3 (not (<= ~waterLevel~0 2))) (.cse15 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse16 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse17 (not .cse11))) (and (let ((.cse6 (or (not (= 0 |processEnvironment__wrappee__highWaterSensor_activatePump_~tmp~6#1|)) (and (< 0 (+ ~methaneLevelCritical~0 1)) (<= ~methaneLevelCritical~0 0)))) (.cse8 (not (= |processEnvironment__wrappee__highWaterSensor_isMethaneAlarm_#res#1| 0)))) (or .cse0 .cse1 .cse2 .cse3 (and (= ~pumpRunning~0 0) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse11 .cse6 .cse8))) (let ((.cse12 (<= 1 ~pumpRunning~0)) (.cse13 (= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_activatePump_~tmp~6#1|)) (.cse14 (= |processEnvironment__wrappee__highWaterSensor_isMethaneAlarm_#res#1| ~methaneLevelCritical~0))) (or (and .cse12 .cse11 .cse13 .cse14) .cse0 .cse1 .cse15 (and .cse12 .cse4 .cse13 .cse14 .cse5 .cse7 .cse9 .cse10) .cse3)) (or .cse1 .cse16 .cse15 .cse17) (or .cse1 .cse16 .cse2 .cse17)))) [2022-11-02 20:40:09,695 INFO L895 garLoopResultBuilder]: At program point L805(lines 790 808) the Hoare annotation is: (let ((.cse9 (= ~pumpRunning~0 0)) (.cse10 (<= ~waterLevel~0 1))) (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not .cse10)) (.cse4 (and .cse9 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~7#1| 0) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse9 .cse10)) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse0 .cse7 .cse8) (or .cse0 .cse1 .cse7 .cse3) (or .cse4 .cse5 .cse6 .cse0 .cse2 .cse8)))) [2022-11-02 20:40:09,695 INFO L895 garLoopResultBuilder]: At program point L741(lines 734 744) the Hoare annotation is: (let ((.cse12 (<= ~waterLevel~0 1))) (let ((.cse13 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (not (<= 1 ~methaneLevelCritical~0))) (.cse15 (not .cse12)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~7#1| 0)) (.cse4 (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|)) (.cse5 (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1|)) (.cse7 (<= 1 |processEnvironment__wrappee__highWaterSensor_~tmp~4#1|)) (.cse8 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) (.cse1 (not (= 1 ~systemActive~0))) (.cse14 (not (= ~methaneLevelCritical~0 0))) (.cse10 (not (<= ~waterLevel~0 2))) (.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (let ((.cse6 (not (= |processEnvironment__wrappee__highWaterSensor_isMethaneAlarm_#res#1| 0)))) (or .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) .cse9 .cse10 (and .cse11 .cse12 .cse6))) (or .cse1 .cse13 .cse14 .cse15) (or .cse1 .cse13 .cse9 .cse15) (let ((.cse16 (= |processEnvironment__wrappee__highWaterSensor_isMethaneAlarm_#res#1| ~methaneLevelCritical~0))) (or .cse0 (and .cse2 .cse3 .cse16 .cse4 .cse5 .cse7 .cse8) .cse1 .cse14 .cse10 (and .cse11 .cse12 .cse16)))))) [2022-11-02 20:40:09,696 INFO L895 garLoopResultBuilder]: At program point L739(line 739) the Hoare annotation is: (let ((.cse9 (<= ~waterLevel~0 1))) (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not .cse9)) (.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse9)) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= ~waterLevel~0 2))) (.cse7 (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~7#1| 0) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1|) (<= 1 |processEnvironment__wrappee__highWaterSensor_~tmp~4#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse2 .cse6 .cse7) (or .cse0 .cse1 .cse8 .cse3) (or .cse4 .cse5 .cse0 .cse8 .cse6 .cse7)))) [2022-11-02 20:40:09,696 INFO L899 garLoopResultBuilder]: For program point L739-1(line 739) no Hoare annotation was computed. [2022-11-02 20:40:09,696 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 438 449) no Hoare annotation was computed. [2022-11-02 20:40:09,696 INFO L899 garLoopResultBuilder]: For program point L442-1(lines 438 449) no Hoare annotation was computed. [2022-11-02 20:40:09,696 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 438 449) the Hoare annotation is: (let ((.cse1 (not (= ~pumpRunning~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse5 .cse4 .cse6) (or .cse2 .cse3 .cse7 .cse4 .cse6) (or .cse0 .cse2 .cse5 .cse7 .cse4))) [2022-11-02 20:40:09,700 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:40:09,703 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 20:40:09,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:40:09 BoogieIcfgContainer [2022-11-02 20:40:09,785 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 20:40:09,797 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:40:09,797 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:40:09,798 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:40:09,798 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:39:49" (3/4) ... [2022-11-02 20:40:09,802 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-02 20:40:09,809 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-02 20:40:09,809 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-02 20:40:09,810 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-02 20:40:09,810 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-02 20:40:09,810 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-02 20:40:09,810 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-11-02 20:40:09,811 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-02 20:40:09,820 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2022-11-02 20:40:09,824 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-02 20:40:09,825 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-02 20:40:09,826 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-02 20:40:09,826 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-02 20:40:09,827 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 20:40:09,827 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 20:40:09,862 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2022-11-02 20:40:09,863 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && waterLevel == 1) && tmp == 1 [2022-11-02 20:40:09,863 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= pumpRunning && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1) || ((((((1 <= pumpRunning && 1 <= methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && tmp == 1)) || ((((((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && tmp == 1)) || ((((((pumpRunning == 0 && 1 <= methaneLevelCritical) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1) [2022-11-02 20:40:09,865 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) && ((((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) [2022-11-02 20:40:09,867 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) && (((((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || waterLevel <= \old(waterLevel))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && ((((((pumpRunning == \old(pumpRunning) && waterLevel <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || ((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-11-02 20:40:09,869 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && !(tmp == 0)) || (((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && !(tmp == 0))) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) && ((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || waterLevel <= \old(waterLevel))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && tmp___0 <= 1) && waterLevel <= \old(waterLevel)) && tmp == 0) && \result <= 1)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) || (((((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && tmp___0 <= 1) && waterLevel <= \old(waterLevel)) && tmp == 0) && \result <= 1))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (tmp___0 <= 1 && \result <= 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && tmp == 0)) || !(methaneLevelCritical == 0)) || ((1 <= pumpRunning && \old(waterLevel) == waterLevel) && tmp == 0)) || !(\old(waterLevel) <= 2))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(tmp == 0))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) [2022-11-02 20:40:09,869 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((((pumpRunning == 0 && tmp == 0) && 1 <= \result) && 1 <= tmp___0) && !(\result == 0)) && 1 <= tmp) && \result == 0)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && !(\result == 0))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 1))) && (((((!(\old(pumpRunning) == 0) || ((((((pumpRunning == 0 && tmp == 0) && \result == methaneLevelCritical) && 1 <= \result) && 1 <= tmp___0) && 1 <= tmp) && \result == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && \result == methaneLevelCritical)) [2022-11-02 20:40:09,869 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) && ((((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) [2022-11-02 20:40:09,870 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && tmp == 0) && \result <= 1)) || !(methaneLevelCritical == 0)) || ((((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && tmp == 0) && \result <= 1)) || !(\old(waterLevel) <= 2)) && ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || \result == 1)) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || \result <= 1)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && tmp == 0)) || !(methaneLevelCritical == 0)) || ((1 <= pumpRunning && \old(waterLevel) == waterLevel) && tmp == 0)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) [2022-11-02 20:40:09,870 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2)) || (pumpRunning == 0 && waterLevel <= 1)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && \result == 0)) || !(waterLevel <= 2)) || (pumpRunning == 0 && waterLevel <= 1))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 1)) [2022-11-02 20:40:09,870 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2)) || (((((((pumpRunning == 0 && tmp == 0) && 1 <= \result) && (!(0 == tmp) || (0 < methaneLevelCritical + 1 && methaneLevelCritical <= 0))) && 1 <= tmp___0) && !(\result == 0)) && 1 <= tmp) && \result == 0)) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && (!(0 == tmp) || (0 < methaneLevelCritical + 1 && methaneLevelCritical <= 0))) && !(\result == 0))) && ((((((((1 <= pumpRunning && waterLevel <= 1) && methaneLevelCritical == tmp) && \result == methaneLevelCritical) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (((((((1 <= pumpRunning && tmp == 0) && methaneLevelCritical == tmp) && \result == methaneLevelCritical) && 1 <= \result) && 1 <= tmp___0) && 1 <= tmp) && \result == 0)) || !(waterLevel <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 1)) [2022-11-02 20:40:09,871 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2)) && ((((((((1 <= pumpRunning && waterLevel <= 1) && methaneLevelCritical == tmp) && \result == methaneLevelCritical) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (((((((1 <= pumpRunning && tmp == 0) && methaneLevelCritical == tmp) && \result == methaneLevelCritical) && 1 <= \result) && 1 <= tmp___0) && 1 <= tmp) && \result == 0)) || !(waterLevel <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 1)) [2022-11-02 20:40:09,871 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) && ((((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) [2022-11-02 20:40:09,872 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (((1 <= pumpRunning && !(\result == 0)) && \old(waterLevel) == waterLevel) && tmp == 0)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) [2022-11-02 20:40:09,872 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) && (((((((((pumpRunning == 0 && tmp == 0) && 1 <= \result) && 1 <= tmp___0) && \result == 0) || !(\old(pumpRunning) == 0)) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 1))) && (((((((((pumpRunning == 0 && tmp == 0) && 1 <= \result) && 1 <= tmp___0) && \result == 0) || !(\old(pumpRunning) == 0)) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2)) [2022-11-02 20:40:09,872 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2)) [2022-11-02 20:40:09,877 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) [2022-11-02 20:40:09,932 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e93d882-2561-4d01-bd09-6695490aae35/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 20:40:09,932 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:40:09,933 INFO L158 Benchmark]: Toolchain (without parser) took 21689.50ms. Allocated memory was 98.6MB in the beginning and 186.6MB in the end (delta: 88.1MB). Free memory was 57.0MB in the beginning and 146.5MB in the end (delta: -89.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:40:09,933 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 98.6MB. Free memory was 74.5MB in the beginning and 74.4MB in the end (delta: 91.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:40:09,934 INFO L158 Benchmark]: CACSL2BoogieTranslator took 555.42ms. Allocated memory is still 98.6MB. Free memory was 56.8MB in the beginning and 65.6MB in the end (delta: -8.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-02 20:40:09,934 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.22ms. Allocated memory is still 98.6MB. Free memory was 65.6MB in the beginning and 63.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:40:09,935 INFO L158 Benchmark]: Boogie Preprocessor took 64.94ms. Allocated memory is still 98.6MB. Free memory was 63.0MB in the beginning and 61.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:40:09,935 INFO L158 Benchmark]: RCFGBuilder took 652.02ms. Allocated memory is still 98.6MB. Free memory was 61.3MB in the beginning and 41.7MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-02 20:40:09,935 INFO L158 Benchmark]: TraceAbstraction took 20190.52ms. Allocated memory was 98.6MB in the beginning and 186.6MB in the end (delta: 88.1MB). Free memory was 41.2MB in the beginning and 152.8MB in the end (delta: -111.6MB). Peak memory consumption was 82.3MB. Max. memory is 16.1GB. [2022-11-02 20:40:09,936 INFO L158 Benchmark]: Witness Printer took 135.29ms. Allocated memory is still 186.6MB. Free memory was 152.8MB in the beginning and 146.5MB in the end (delta: 6.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-02 20:40:09,938 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 98.6MB. Free memory was 74.5MB in the beginning and 74.4MB in the end (delta: 91.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 555.42ms. Allocated memory is still 98.6MB. Free memory was 56.8MB in the beginning and 65.6MB in the end (delta: -8.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.22ms. Allocated memory is still 98.6MB. Free memory was 65.6MB in the beginning and 63.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.94ms. Allocated memory is still 98.6MB. Free memory was 63.0MB in the beginning and 61.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 652.02ms. Allocated memory is still 98.6MB. Free memory was 61.3MB in the beginning and 41.7MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 20190.52ms. Allocated memory was 98.6MB in the beginning and 186.6MB in the end (delta: 88.1MB). Free memory was 41.2MB in the beginning and 152.8MB in the end (delta: -111.6MB). Peak memory consumption was 82.3MB. Max. memory is 16.1GB. * Witness Printer took 135.29ms. Allocated memory is still 186.6MB. Free memory was 152.8MB in the beginning and 146.5MB in the end (delta: 6.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 605]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 93 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 20.0s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 6.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2497 SdHoareTripleChecker+Valid, 3.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2476 mSDsluCounter, 4572 SdHoareTripleChecker+Invalid, 3.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3227 mSDsCounter, 871 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3976 IncrementalHoareTripleChecker+Invalid, 4847 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 871 mSolverCounterUnsat, 1345 mSDtfsCounter, 3976 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 509 GetRequests, 317 SyntacticMatches, 9 SemanticMatches, 183 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1435 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=790occurred in iteration=9, InterpolantAutomatonStates: 158, 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, 12 MinimizatonAttempts, 244 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 2218 PreInvPairs, 2575 NumberOfFragments, 3062 HoareAnnotationTreeSize, 2218 FomulaSimplifications, 2527 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 43 FomulaSimplificationsInter, 15317 FormulaSimplificationTreeSizeReductionInter, 7.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 714 NumberOfCodeBlocks, 714 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 786 ConstructedInterpolants, 0 QuantifiedInterpolants, 1660 SizeOfPredicates, 8 NumberOfNonLiveVariables, 828 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 68/90 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: 426]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) && ((((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 567]: Loop Invariant Derived loop invariant: (((((((((((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && !(tmp == 0)) || (((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && !(tmp == 0))) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) && ((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || waterLevel <= \old(waterLevel))) && (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && tmp___0 <= 1) && waterLevel <= \old(waterLevel)) && tmp == 0) && \result <= 1)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) || (((((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && tmp___0 <= 1) && waterLevel <= \old(waterLevel)) && tmp == 0) && \result <= 1))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (tmp___0 <= 1 && \result <= 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && tmp == 0)) || !(methaneLevelCritical == 0)) || ((1 <= pumpRunning && \old(waterLevel) == waterLevel) && tmp == 0)) || !(\old(waterLevel) <= 2))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(tmp == 0))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 840]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1) || ((((((1 <= pumpRunning && 1 <= methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && tmp == 1)) || ((((((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && tmp == 1)) || ((((((pumpRunning == 0 && 1 <= methaneLevelCritical) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1) - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2)) && ((((((((1 <= pumpRunning && waterLevel <= 1) && methaneLevelCritical == tmp) && \result == methaneLevelCritical) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (((((((1 <= pumpRunning && tmp == 0) && methaneLevelCritical == tmp) && \result == methaneLevelCritical) && 1 <= \result) && 1 <= tmp___0) && 1 <= tmp) && \result == 0)) || !(waterLevel <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 1)) - InvariantResult [Line: 957]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 548]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: (((((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || ((((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && tmp == 0) && \result <= 1)) || !(methaneLevelCritical == 0)) || ((((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && tmp == 0) && \result <= 1)) || !(\old(waterLevel) <= 2)) && ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || \result == 1)) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || \result <= 1)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && tmp == 0)) || !(methaneLevelCritical == 0)) || ((1 <= pumpRunning && \old(waterLevel) == waterLevel) && tmp == 0)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 967]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2)) || (pumpRunning == 0 && waterLevel <= 1)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && \result == 0)) || !(waterLevel <= 2)) || (pumpRunning == 0 && waterLevel <= 1))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 1)) - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) && (((((((((pumpRunning == 0 && tmp == 0) && 1 <= \result) && 1 <= tmp___0) && \result == 0) || !(\old(pumpRunning) == 0)) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 1))) && (((((((((pumpRunning == 0 && tmp == 0) && 1 <= \result) && 1 <= tmp___0) && \result == 0) || !(\old(pumpRunning) == 0)) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2)) - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) && ((((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 675]: Loop Invariant Derived loop invariant: ((((((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) && (((((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || waterLevel <= \old(waterLevel))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && ((((((pumpRunning == \old(pumpRunning) && waterLevel <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || ((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 601]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 734]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((((pumpRunning == 0 && tmp == 0) && 1 <= \result) && 1 <= tmp___0) && !(\result == 0)) && 1 <= tmp) && \result == 0)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && !(\result == 0))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 1))) && (((((!(\old(pumpRunning) == 0) || ((((((pumpRunning == 0 && tmp == 0) && \result == methaneLevelCritical) && 1 <= \result) && 1 <= tmp___0) && 1 <= tmp) && \result == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && \result == methaneLevelCritical)) - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 809]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) && ((((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (((1 <= pumpRunning && !(\result == 0)) && \old(waterLevel) == waterLevel) && tmp == 0)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 950]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && waterLevel == 1) && tmp == 1 - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2)) || (((((((pumpRunning == 0 && tmp == 0) && 1 <= \result) && (!(0 == tmp) || (0 < methaneLevelCritical + 1 && methaneLevelCritical <= 0))) && 1 <= tmp___0) && !(\result == 0)) && 1 <= tmp) && \result == 0)) || (((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && (!(0 == tmp) || (0 < methaneLevelCritical + 1 && methaneLevelCritical <= 0))) && !(\result == 0))) && ((((((((1 <= pumpRunning && waterLevel <= 1) && methaneLevelCritical == tmp) && \result == methaneLevelCritical) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (((((((1 <= pumpRunning && tmp == 0) && methaneLevelCritical == tmp) && \result == methaneLevelCritical) && 1 <= \result) && 1 <= tmp___0) && 1 <= tmp) && \result == 0)) || !(waterLevel <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 1)) - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-11-02 20:40:10,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e93d882-2561-4d01-bd09-6695490aae35/bin/uautomizer-Dbtcem3rbc/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