./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f958adf-eba6-40ca-aa80-291efb9fc3b1/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f958adf-eba6-40ca-aa80-291efb9fc3b1/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_0f958adf-eba6-40ca-aa80-291efb9fc3b1/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f958adf-eba6-40ca-aa80-291efb9fc3b1/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f958adf-eba6-40ca-aa80-291efb9fc3b1/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_0f958adf-eba6-40ca-aa80-291efb9fc3b1/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 449370313253a0d5d7b509b2cd15e912fe8e85dcb7140575e7078385cf7fc6cf --- 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 20:20:55,827 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:20:55,829 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:20:55,869 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:20:55,873 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:20:55,878 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:20:55,880 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:20:55,884 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:20:55,886 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:20:55,893 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:20:55,894 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:20:55,897 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:20:55,897 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:20:55,900 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:20:55,901 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:20:55,902 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:20:55,903 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:20:55,903 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:20:55,905 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:20:55,906 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:20:55,907 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:20:55,909 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:20:55,916 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:20:55,917 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:20:55,921 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:20:55,926 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:20:55,926 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:20:55,927 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:20:55,929 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:20:55,930 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:20:55,930 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:20:55,931 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:20:55,932 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:20:55,934 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:20:55,935 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:20:55,936 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:20:55,937 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:20:55,937 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:20:55,937 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:20:55,938 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:20:55,939 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:20:55,940 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f958adf-eba6-40ca-aa80-291efb9fc3b1/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-02 20:20:55,971 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:20:55,974 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:20:55,975 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:20:55,975 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:20:55,976 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:20:55,976 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:20:55,977 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:20:55,977 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:20:55,977 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:20:55,978 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:20:55,979 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:20:55,979 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:20:55,979 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:20:55,980 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:20:55,980 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:20:55,980 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:20:55,980 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:20:55,980 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:20:55,981 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:20:55,981 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:20:55,981 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:20:55,981 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:20:55,982 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:20:55,982 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:20:55,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:20:55,982 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:20:55,984 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:20:55,984 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:20:55,985 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:20:55,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:20:55,985 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:20:55,985 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:20:55,986 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:20:55,986 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_0f958adf-eba6-40ca-aa80-291efb9fc3b1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f958adf-eba6-40ca-aa80-291efb9fc3b1/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 449370313253a0d5d7b509b2cd15e912fe8e85dcb7140575e7078385cf7fc6cf [2022-11-02 20:20:56,229 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:20:56,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:20:56,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:20:56,254 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:20:56,255 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:20:56,257 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f958adf-eba6-40ca-aa80-291efb9fc3b1/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c [2022-11-02 20:20:56,319 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f958adf-eba6-40ca-aa80-291efb9fc3b1/bin/uautomizer-Dbtcem3rbc/data/0b12e24bf/7e266d356c9b40aea4e0e11ae98b9ac4/FLAGa692af8bf [2022-11-02 20:20:56,980 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:20:56,981 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f958adf-eba6-40ca-aa80-291efb9fc3b1/sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c [2022-11-02 20:20:57,017 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f958adf-eba6-40ca-aa80-291efb9fc3b1/bin/uautomizer-Dbtcem3rbc/data/0b12e24bf/7e266d356c9b40aea4e0e11ae98b9ac4/FLAGa692af8bf [2022-11-02 20:20:57,207 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f958adf-eba6-40ca-aa80-291efb9fc3b1/bin/uautomizer-Dbtcem3rbc/data/0b12e24bf/7e266d356c9b40aea4e0e11ae98b9ac4 [2022-11-02 20:20:57,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:20:57,217 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:20:57,220 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:20:57,221 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:20:57,225 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:20:57,226 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:20:57" (1/1) ... [2022-11-02 20:20:57,228 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a48c634 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:20:57, skipping insertion in model container [2022-11-02 20:20:57,229 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:20:57" (1/1) ... [2022-11-02 20:20:57,238 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:20:57,304 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:20:57,590 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_0f958adf-eba6-40ca-aa80-291efb9fc3b1/sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c[7477,7490] [2022-11-02 20:20:57,675 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:20:57,690 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:20:57,737 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_0f958adf-eba6-40ca-aa80-291efb9fc3b1/sv-benchmarks/c/product-lines/minepump_spec3_product42.cil.c[7477,7490] [2022-11-02 20:20:57,787 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:20:57,813 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:20:57,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:20:57 WrapperNode [2022-11-02 20:20:57,814 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:20:57,815 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:20:57,815 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:20:57,815 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:20:57,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:20:57" (1/1) ... [2022-11-02 20:20:57,836 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:20:57" (1/1) ... [2022-11-02 20:20:57,867 INFO L138 Inliner]: procedures = 54, calls = 153, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 249 [2022-11-02 20:20:57,868 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:20:57,868 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:20:57,869 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:20:57,869 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:20:57,878 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:20:57" (1/1) ... [2022-11-02 20:20:57,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:20:57" (1/1) ... [2022-11-02 20:20:57,881 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:20:57" (1/1) ... [2022-11-02 20:20:57,881 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:20:57" (1/1) ... [2022-11-02 20:20:57,888 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:20:57" (1/1) ... [2022-11-02 20:20:57,893 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:20:57" (1/1) ... [2022-11-02 20:20:57,895 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:20:57" (1/1) ... [2022-11-02 20:20:57,897 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:20:57" (1/1) ... [2022-11-02 20:20:57,900 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:20:57,901 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:20:57,901 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:20:57,902 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:20:57,914 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:20:57" (1/1) ... [2022-11-02 20:20:57,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:20:57,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f958adf-eba6-40ca-aa80-291efb9fc3b1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:20:57,953 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f958adf-eba6-40ca-aa80-291efb9fc3b1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:20:57,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f958adf-eba6-40ca-aa80-291efb9fc3b1/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:20:58,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:20:58,010 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-02 20:20:58,010 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-02 20:20:58,010 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-02 20:20:58,010 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-02 20:20:58,010 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-02 20:20:58,010 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-02 20:20:58,011 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-02 20:20:58,011 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-02 20:20:58,011 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-02 20:20:58,011 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-02 20:20:58,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:20:58,011 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-02 20:20:58,011 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-02 20:20:58,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:20:58,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:20:58,081 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:20:58,083 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:20:58,445 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:20:58,452 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:20:58,452 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-02 20:20:58,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:20:58 BoogieIcfgContainer [2022-11-02 20:20:58,455 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:20:58,457 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:20:58,457 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:20:58,461 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:20:58,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:20:57" (1/3) ... [2022-11-02 20:20:58,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d756b9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:20:58, skipping insertion in model container [2022-11-02 20:20:58,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:20:57" (2/3) ... [2022-11-02 20:20:58,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d756b9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:20:58, skipping insertion in model container [2022-11-02 20:20:58,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:20:58" (3/3) ... [2022-11-02 20:20:58,464 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product42.cil.c [2022-11-02 20:20:58,494 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:20:58,494 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:20:58,550 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:20:58,557 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;@40544092, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:20:58,557 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:20:58,561 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 64 states have (on average 1.390625) internal successors, (89), 70 states have internal predecessors, (89), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-02 20:20:58,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-02 20:20:58,571 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:20:58,571 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 20:20:58,572 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:20:58,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:20:58,577 INFO L85 PathProgramCache]: Analyzing trace with hash 1617756963, now seen corresponding path program 1 times [2022-11-02 20:20:58,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:20:58,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489331584] [2022-11-02 20:20:58,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:20:58,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:20:58,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:20:58,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:20:58,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:20:58,888 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 20:20:58,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:20:58,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489331584] [2022-11-02 20:20:58,890 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489331584] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:20:58,890 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:20:58,890 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:20:58,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513797513] [2022-11-02 20:20:58,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:20:58,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-02 20:20:58,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:20:58,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-02 20:20:58,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 20:20:58,934 INFO L87 Difference]: Start difference. First operand has 82 states, 64 states have (on average 1.390625) internal successors, (89), 70 states have internal predecessors, (89), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) 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 20:20:58,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:20:58,972 INFO L93 Difference]: Finished difference Result 156 states and 213 transitions. [2022-11-02 20:20:58,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-02 20:20:58,977 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 20:20:58,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:20:58,988 INFO L225 Difference]: With dead ends: 156 [2022-11-02 20:20:58,990 INFO L226 Difference]: Without dead ends: 73 [2022-11-02 20:20:58,996 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 20:20:59,002 INFO L413 NwaCegarLoop]: 103 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, 103 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 20:20:59,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:20:59,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-11-02 20:20:59,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2022-11-02 20:20:59,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 57 states have (on average 1.3157894736842106) internal successors, (75), 62 states have internal predecessors, (75), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-02 20:20:59,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 94 transitions. [2022-11-02 20:20:59,063 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 94 transitions. Word has length 25 [2022-11-02 20:20:59,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:20:59,063 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 94 transitions. [2022-11-02 20:20:59,064 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 20:20:59,064 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 94 transitions. [2022-11-02 20:20:59,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-02 20:20:59,066 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:20:59,066 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 20:20:59,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:20:59,067 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:20:59,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:20:59,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1176803179, now seen corresponding path program 1 times [2022-11-02 20:20:59,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:20:59,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625599539] [2022-11-02 20:20:59,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:20:59,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:20:59,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:20:59,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-02 20:20:59,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:20:59,260 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 20:20:59,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:20:59,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625599539] [2022-11-02 20:20:59,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625599539] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:20:59,261 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:20:59,261 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:20:59,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426478768] [2022-11-02 20:20:59,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:20:59,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:20:59,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:20:59,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:20:59,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:20:59,265 INFO L87 Difference]: Start difference. First operand 73 states and 94 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 20:20:59,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:20:59,287 INFO L93 Difference]: Finished difference Result 111 states and 143 transitions. [2022-11-02 20:20:59,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:20:59,288 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 20:20:59,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:20:59,290 INFO L225 Difference]: With dead ends: 111 [2022-11-02 20:20:59,293 INFO L226 Difference]: Without dead ends: 64 [2022-11-02 20:20:59,294 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 20:20:59,296 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 13 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 145 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 20:20:59,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 145 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:20:59,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-11-02 20:20:59,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2022-11-02 20:20:59,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 51 states have (on average 1.3333333333333333) internal successors, (68), 56 states have internal predecessors, (68), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-02 20:20:59,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 82 transitions. [2022-11-02 20:20:59,314 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 82 transitions. Word has length 26 [2022-11-02 20:20:59,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:20:59,316 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 82 transitions. [2022-11-02 20:20:59,317 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 20:20:59,317 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 82 transitions. [2022-11-02 20:20:59,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-02 20:20:59,319 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:20:59,320 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:20:59,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:20:59,320 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:20:59,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:20:59,321 INFO L85 PathProgramCache]: Analyzing trace with hash 414343402, now seen corresponding path program 1 times [2022-11-02 20:20:59,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:20:59,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21815729] [2022-11-02 20:20:59,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:20:59,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:20:59,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:20:59,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 20:20:59,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:20:59,497 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 20:20:59,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:20:59,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21815729] [2022-11-02 20:20:59,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21815729] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:20:59,498 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:20:59,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:20:59,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704356163] [2022-11-02 20:20:59,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:20:59,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:20:59,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:20:59,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:20:59,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:20:59,500 INFO L87 Difference]: Start difference. First operand 64 states and 82 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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 20:20:59,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:20:59,593 INFO L93 Difference]: Finished difference Result 121 states and 158 transitions. [2022-11-02 20:20:59,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:20:59,602 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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 31 [2022-11-02 20:20:59,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:20:59,604 INFO L225 Difference]: With dead ends: 121 [2022-11-02 20:20:59,604 INFO L226 Difference]: Without dead ends: 64 [2022-11-02 20:20:59,604 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:20:59,606 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 107 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:20:59,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 193 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:20:59,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-11-02 20:20:59,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2022-11-02 20:20:59,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 51 states have (on average 1.3137254901960784) internal successors, (67), 56 states have internal predecessors, (67), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-02 20:20:59,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 81 transitions. [2022-11-02 20:20:59,634 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 81 transitions. Word has length 31 [2022-11-02 20:20:59,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:20:59,635 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 81 transitions. [2022-11-02 20:20:59,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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 20:20:59,635 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2022-11-02 20:20:59,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-02 20:20:59,637 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:20:59,637 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] [2022-11-02 20:20:59,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:20:59,637 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:20:59,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:20:59,638 INFO L85 PathProgramCache]: Analyzing trace with hash 808202887, now seen corresponding path program 1 times [2022-11-02 20:20:59,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:20:59,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255982584] [2022-11-02 20:20:59,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:20:59,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:20:59,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:20:59,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 20:20:59,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:20:59,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:20:59,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:20:59,741 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 20:20:59,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:20:59,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255982584] [2022-11-02 20:20:59,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255982584] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:20:59,742 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:20:59,742 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:20:59,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107312535] [2022-11-02 20:20:59,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:20:59,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:20:59,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:20:59,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:20:59,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:20:59,744 INFO L87 Difference]: Start difference. First operand 64 states and 81 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-02 20:20:59,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:20:59,779 INFO L93 Difference]: Finished difference Result 163 states and 210 transitions. [2022-11-02 20:20:59,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:20:59,779 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 36 [2022-11-02 20:20:59,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:20:59,781 INFO L225 Difference]: With dead ends: 163 [2022-11-02 20:20:59,781 INFO L226 Difference]: Without dead ends: 106 [2022-11-02 20:20:59,782 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 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 20:20:59,783 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 54 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:20:59,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 149 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:20:59,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2022-11-02 20:20:59,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 104. [2022-11-02 20:20:59,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 82 states have (on average 1.3048780487804879) internal successors, (107), 89 states have internal predecessors, (107), 11 states have call successors, (11), 10 states have call predecessors, (11), 10 states have return successors, (13), 11 states have call predecessors, (13), 11 states have call successors, (13) [2022-11-02 20:20:59,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 131 transitions. [2022-11-02 20:20:59,804 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 131 transitions. Word has length 36 [2022-11-02 20:20:59,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:20:59,804 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 131 transitions. [2022-11-02 20:20:59,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-02 20:20:59,805 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 131 transitions. [2022-11-02 20:20:59,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-02 20:20:59,806 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:20:59,806 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] [2022-11-02 20:20:59,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:20:59,807 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:20:59,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:20:59,807 INFO L85 PathProgramCache]: Analyzing trace with hash 165647039, now seen corresponding path program 1 times [2022-11-02 20:20:59,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:20:59,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115891847] [2022-11-02 20:20:59,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:20:59,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:20:59,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:21:00,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-02 20:21:00,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:21:00,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-02 20:21:00,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:21:00,028 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 20:21:00,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:21:00,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115891847] [2022-11-02 20:21:00,029 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115891847] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:21:00,030 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:21:00,030 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:21:00,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253067883] [2022-11-02 20:21:00,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:21:00,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:21:00,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:21:00,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:21:00,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:21:00,040 INFO L87 Difference]: Start difference. First operand 104 states and 131 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-02 20:21:00,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:21:00,133 INFO L93 Difference]: Finished difference Result 288 states and 379 transitions. [2022-11-02 20:21:00,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:21:00,134 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 42 [2022-11-02 20:21:00,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:21:00,136 INFO L225 Difference]: With dead ends: 288 [2022-11-02 20:21:00,136 INFO L226 Difference]: Without dead ends: 191 [2022-11-02 20:21:00,138 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:21:00,140 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 41 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:21:00,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 316 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:21:00,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2022-11-02 20:21:00,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 185. [2022-11-02 20:21:00,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 146 states have (on average 1.2808219178082192) internal successors, (187), 156 states have internal predecessors, (187), 21 states have call successors, (21), 19 states have call predecessors, (21), 17 states have return successors, (27), 19 states have call predecessors, (27), 21 states have call successors, (27) [2022-11-02 20:21:00,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 235 transitions. [2022-11-02 20:21:00,195 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 235 transitions. Word has length 42 [2022-11-02 20:21:00,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:21:00,196 INFO L495 AbstractCegarLoop]: Abstraction has 185 states and 235 transitions. [2022-11-02 20:21:00,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-02 20:21:00,196 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 235 transitions. [2022-11-02 20:21:00,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-02 20:21:00,198 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:21:00,198 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 20:21:00,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 20:21:00,208 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:21:00,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:21:00,209 INFO L85 PathProgramCache]: Analyzing trace with hash -1345519451, now seen corresponding path program 1 times [2022-11-02 20:21:00,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:21:00,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137102913] [2022-11-02 20:21:00,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:21:00,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:21:00,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:21:00,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 20:21:00,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:21:00,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-02 20:21:00,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:21:00,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-02 20:21:00,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:21:00,436 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 20:21:00,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:21:00,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137102913] [2022-11-02 20:21:00,436 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137102913] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:21:00,437 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:21:00,437 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:21:00,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988099317] [2022-11-02 20:21:00,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:21:00,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:21:00,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:21:00,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:21:00,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:21:00,439 INFO L87 Difference]: Start difference. First operand 185 states and 235 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), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-02 20:21:00,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:21:00,751 INFO L93 Difference]: Finished difference Result 469 states and 631 transitions. [2022-11-02 20:21:00,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 20:21:00,752 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), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 46 [2022-11-02 20:21:00,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:21:00,764 INFO L225 Difference]: With dead ends: 469 [2022-11-02 20:21:00,764 INFO L226 Difference]: Without dead ends: 372 [2022-11-02 20:21:00,767 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-02 20:21:00,775 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 164 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:21:00,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 318 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 20:21:00,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2022-11-02 20:21:00,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 348. [2022-11-02 20:21:00,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 277 states have (on average 1.2707581227436824) internal successors, (352), 300 states have internal predecessors, (352), 39 states have call successors, (39), 27 states have call predecessors, (39), 31 states have return successors, (59), 37 states have call predecessors, (59), 39 states have call successors, (59) [2022-11-02 20:21:00,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 450 transitions. [2022-11-02 20:21:00,850 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 450 transitions. Word has length 46 [2022-11-02 20:21:00,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:21:00,851 INFO L495 AbstractCegarLoop]: Abstraction has 348 states and 450 transitions. [2022-11-02 20:21:00,851 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), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-02 20:21:00,851 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 450 transitions. [2022-11-02 20:21:00,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-02 20:21:00,854 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:21:00,854 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 20:21:00,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-02 20:21:00,854 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:21:00,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:21:00,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1126664733, now seen corresponding path program 1 times [2022-11-02 20:21:00,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:21:00,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261334359] [2022-11-02 20:21:00,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:21:00,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:21:00,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:21:00,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 20:21:00,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:21:00,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-02 20:21:00,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:21:00,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-02 20:21:00,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:21:00,956 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 20:21:00,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:21:00,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261334359] [2022-11-02 20:21:00,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261334359] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:21:00,957 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:21:00,958 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:21:00,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370845740] [2022-11-02 20:21:00,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:21:00,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:21:00,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:21:00,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:21:00,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:21:00,960 INFO L87 Difference]: Start difference. First operand 348 states and 450 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-02 20:21:01,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:21:01,209 INFO L93 Difference]: Finished difference Result 721 states and 948 transitions. [2022-11-02 20:21:01,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 20:21:01,210 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 46 [2022-11-02 20:21:01,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:21:01,215 INFO L225 Difference]: With dead ends: 721 [2022-11-02 20:21:01,215 INFO L226 Difference]: Without dead ends: 457 [2022-11-02 20:21:01,216 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:21:01,222 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 152 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:21:01,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 361 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:21:01,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2022-11-02 20:21:01,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 348. [2022-11-02 20:21:01,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 277 states have (on average 1.263537906137184) internal successors, (350), 300 states have internal predecessors, (350), 39 states have call successors, (39), 27 states have call predecessors, (39), 31 states have return successors, (59), 37 states have call predecessors, (59), 39 states have call successors, (59) [2022-11-02 20:21:01,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 448 transitions. [2022-11-02 20:21:01,299 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 448 transitions. Word has length 46 [2022-11-02 20:21:01,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:21:01,300 INFO L495 AbstractCegarLoop]: Abstraction has 348 states and 448 transitions. [2022-11-02 20:21:01,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-02 20:21:01,300 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 448 transitions. [2022-11-02 20:21:01,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-02 20:21:01,317 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:21:01,317 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 20:21:01,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-02 20:21:01,318 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:21:01,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:21:01,319 INFO L85 PathProgramCache]: Analyzing trace with hash -1944313183, now seen corresponding path program 1 times [2022-11-02 20:21:01,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:21:01,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489788275] [2022-11-02 20:21:01,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:21:01,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:21:01,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:21:01,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 20:21:01,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:21:01,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-02 20:21:01,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:21:01,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-02 20:21:01,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:21:01,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:21:01,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:21:01,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489788275] [2022-11-02 20:21:01,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489788275] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:21:01,454 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:21:01,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:21:01,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640275321] [2022-11-02 20:21:01,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:21:01,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:21:01,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:21:01,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:21:01,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:21:01,456 INFO L87 Difference]: Start difference. First operand 348 states and 448 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), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-02 20:21:01,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:21:01,695 INFO L93 Difference]: Finished difference Result 791 states and 1037 transitions. [2022-11-02 20:21:01,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 20:21:01,696 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), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 46 [2022-11-02 20:21:01,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:21:01,702 INFO L225 Difference]: With dead ends: 791 [2022-11-02 20:21:01,702 INFO L226 Difference]: Without dead ends: 450 [2022-11-02 20:21:01,704 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-02 20:21:01,704 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 176 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:21:01,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 365 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:21:01,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2022-11-02 20:21:01,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 353. [2022-11-02 20:21:01,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 285 states have (on average 1.249122807017544) internal successors, (356), 306 states have internal predecessors, (356), 37 states have call successors, (37), 26 states have call predecessors, (37), 30 states have return successors, (57), 35 states have call predecessors, (57), 37 states have call successors, (57) [2022-11-02 20:21:01,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 450 transitions. [2022-11-02 20:21:01,775 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 450 transitions. Word has length 46 [2022-11-02 20:21:01,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:21:01,776 INFO L495 AbstractCegarLoop]: Abstraction has 353 states and 450 transitions. [2022-11-02 20:21:01,776 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), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-02 20:21:01,776 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 450 transitions. [2022-11-02 20:21:01,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-02 20:21:01,778 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:21:01,778 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] [2022-11-02 20:21:01,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-02 20:21:01,778 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:21:01,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:21:01,779 INFO L85 PathProgramCache]: Analyzing trace with hash -1025339665, now seen corresponding path program 1 times [2022-11-02 20:21:01,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:21:01,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147910364] [2022-11-02 20:21:01,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:21:01,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:21:01,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:21:02,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 20:21:02,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:21:02,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-02 20:21:02,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:21:02,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-02 20:21:02,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:21:02,060 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 20:21:02,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:21:02,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147910364] [2022-11-02 20:21:02,061 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147910364] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:21:02,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2012009355] [2022-11-02 20:21:02,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:21:02,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:21:02,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f958adf-eba6-40ca-aa80-291efb9fc3b1/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:21:02,067 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f958adf-eba6-40ca-aa80-291efb9fc3b1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:21:02,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f958adf-eba6-40ca-aa80-291efb9fc3b1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-02 20:21:02,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:21:02,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-02 20:21:02,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:21:02,638 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 20:21:02,639 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 20:21:02,639 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2012009355] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:21:02,640 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 20:21:02,640 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2022-11-02 20:21:02,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528602117] [2022-11-02 20:21:02,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:21:02,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:21:02,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:21:02,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:21:02,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2022-11-02 20:21:02,644 INFO L87 Difference]: Start difference. First operand 353 states and 450 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-02 20:21:02,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:21:02,889 INFO L93 Difference]: Finished difference Result 1076 states and 1397 transitions. [2022-11-02 20:21:02,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-02 20:21:02,891 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 51 [2022-11-02 20:21:02,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:21:02,896 INFO L225 Difference]: With dead ends: 1076 [2022-11-02 20:21:02,896 INFO L226 Difference]: Without dead ends: 730 [2022-11-02 20:21:02,898 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 50 SyntacticMatches, 3 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-11-02 20:21:02,901 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 107 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:21:02,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 499 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:21:02,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 730 states. [2022-11-02 20:21:03,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 730 to 700. [2022-11-02 20:21:03,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 700 states, 563 states have (on average 1.2255772646536411) internal successors, (690), 598 states have internal predecessors, (690), 75 states have call successors, (75), 51 states have call predecessors, (75), 61 states have return successors, (125), 71 states have call predecessors, (125), 75 states have call successors, (125) [2022-11-02 20:21:03,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 700 states and 890 transitions. [2022-11-02 20:21:03,039 INFO L78 Accepts]: Start accepts. Automaton has 700 states and 890 transitions. Word has length 51 [2022-11-02 20:21:03,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:21:03,040 INFO L495 AbstractCegarLoop]: Abstraction has 700 states and 890 transitions. [2022-11-02 20:21:03,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-02 20:21:03,040 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 890 transitions. [2022-11-02 20:21:03,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-02 20:21:03,042 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:21:03,042 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] [2022-11-02 20:21:03,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f958adf-eba6-40ca-aa80-291efb9fc3b1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-02 20:21:03,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f958adf-eba6-40ca-aa80-291efb9fc3b1/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-02 20:21:03,267 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:21:03,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:21:03,268 INFO L85 PathProgramCache]: Analyzing trace with hash 468700430, now seen corresponding path program 1 times [2022-11-02 20:21:03,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:21:03,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132345171] [2022-11-02 20:21:03,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:21:03,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:21:03,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:21:03,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 20:21:03,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:21:03,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-02 20:21:03,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:21:03,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-02 20:21:03,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:21:03,403 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 20:21:03,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:21:03,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132345171] [2022-11-02 20:21:03,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132345171] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:21:03,404 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:21:03,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-02 20:21:03,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675709233] [2022-11-02 20:21:03,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:21:03,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-02 20:21:03,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:21:03,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-02 20:21:03,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-02 20:21:03,406 INFO L87 Difference]: Start difference. First operand 700 states and 890 transitions. Second operand has 8 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-02 20:21:03,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:21:03,792 INFO L93 Difference]: Finished difference Result 1298 states and 1659 transitions. [2022-11-02 20:21:03,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-02 20:21:03,793 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 52 [2022-11-02 20:21:03,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:21:03,797 INFO L225 Difference]: With dead ends: 1298 [2022-11-02 20:21:03,797 INFO L226 Difference]: Without dead ends: 259 [2022-11-02 20:21:03,801 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2022-11-02 20:21:03,802 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 152 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:21:03,803 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 486 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 20:21:03,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2022-11-02 20:21:03,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 247. [2022-11-02 20:21:03,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 197 states have (on average 1.1878172588832487) internal successors, (234), 208 states have internal predecessors, (234), 26 states have call successors, (26), 23 states have call predecessors, (26), 23 states have return successors, (31), 24 states have call predecessors, (31), 26 states have call successors, (31) [2022-11-02 20:21:03,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 291 transitions. [2022-11-02 20:21:03,865 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 291 transitions. Word has length 52 [2022-11-02 20:21:03,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:21:03,865 INFO L495 AbstractCegarLoop]: Abstraction has 247 states and 291 transitions. [2022-11-02 20:21:03,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-02 20:21:03,866 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 291 transitions. [2022-11-02 20:21:03,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-02 20:21:03,867 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:21:03,867 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 20:21:03,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-02 20:21:03,868 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:21:03,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:21:03,869 INFO L85 PathProgramCache]: Analyzing trace with hash -1675825877, now seen corresponding path program 1 times [2022-11-02 20:21:03,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:21:03,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683150215] [2022-11-02 20:21:03,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:21:03,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:21:03,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:21:04,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 20:21:04,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:21:04,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-02 20:21:04,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:21:04,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:21:04,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:21:04,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-02 20:21:04,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:21:04,079 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 20:21:04,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:21:04,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683150215] [2022-11-02 20:21:04,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683150215] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:21:04,080 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:21:04,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-02 20:21:04,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126835987] [2022-11-02 20:21:04,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:21:04,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-02 20:21:04,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:21:04,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-02 20:21:04,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-11-02 20:21:04,082 INFO L87 Difference]: Start difference. First operand 247 states and 291 transitions. Second operand has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 8 states have internal predecessors, (46), 2 states have call successors, (5), 4 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 20:21:04,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:21:04,569 INFO L93 Difference]: Finished difference Result 483 states and 574 transitions. [2022-11-02 20:21:04,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-02 20:21:04,570 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 8 states have internal predecessors, (46), 2 states have call successors, (5), 4 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 20:21:04,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:21:04,571 INFO L225 Difference]: With dead ends: 483 [2022-11-02 20:21:04,571 INFO L226 Difference]: Without dead ends: 0 [2022-11-02 20:21:04,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=361, Unknown=0, NotChecked=0, Total=462 [2022-11-02 20:21:04,573 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 146 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 458 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:21:04,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 326 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 458 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-02 20:21:04,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-02 20:21:04,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-02 20:21:04,574 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 20:21:04,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-02 20:21:04,575 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 55 [2022-11-02 20:21:04,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:21:04,575 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:21:04,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 8 states have internal predecessors, (46), 2 states have call successors, (5), 4 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 20:21:04,576 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-02 20:21:04,576 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-02 20:21:04,578 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-02 20:21:04,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-02 20:21:04,581 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-02 20:21:10,710 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 257 263) no Hoare annotation was computed. [2022-11-02 20:21:10,711 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 257 263) the Hoare annotation is: true [2022-11-02 20:21:10,711 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 435 446) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (<= |old(~methaneLevelCritical~0)| 0)) (and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0)) (not (<= 0 |old(~methaneLevelCritical~0)|)) .cse0) (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (not (<= 1 |old(~methaneLevelCritical~0)|)) .cse0))) [2022-11-02 20:21:10,712 INFO L899 garLoopResultBuilder]: For program point L439-1(lines 435 446) no Hoare annotation was computed. [2022-11-02 20:21:10,712 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 435 446) no Hoare annotation was computed. [2022-11-02 20:21:10,712 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 447 455) the Hoare annotation is: true [2022-11-02 20:21:10,712 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 447 455) no Hoare annotation was computed. [2022-11-02 20:21:10,712 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 447 455) no Hoare annotation was computed. [2022-11-02 20:21:10,712 INFO L899 garLoopResultBuilder]: For program point L415(lines 415 419) no Hoare annotation was computed. [2022-11-02 20:21:10,713 INFO L895 garLoopResultBuilder]: At program point L415-2(lines 411 422) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| 0)) (.cse1 (= 0 ~systemActive~0))) (and (or (not .cse0) (not (<= 0 ~methaneLevelCritical~0)) .cse1) (or (not (<= |old(~waterLevel~0)| 1)) (<= ~waterLevel~0 1) .cse0 .cse1) (or (not (= ~pumpRunning~0 0)) .cse0 .cse1))) [2022-11-02 20:21:10,713 INFO L895 garLoopResultBuilder]: At program point L279(line 279) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (and (= ~pumpRunning~0 0) (<= ~waterLevel~0 1) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 0 ~methaneLevelCritical~0)) .cse0) (or (= |old(~pumpRunning~0)| 0) .cse0))) [2022-11-02 20:21:10,713 INFO L895 garLoopResultBuilder]: At program point L395(lines 380 398) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0))) (and (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse0 (<= ~waterLevel~0 1) .cse1) (and (= |timeShift_isHighWaterLevel_#res#1| 1) .cse0 (= |timeShift_isHighWaterLevel_~tmp~4#1| 0) (= |timeShift_isHighWaterSensorDry_#res#1| 0) .cse1 (= |timeShift_isHighWaterLevel_~tmp___0~1#1| 1)) (not (<= 0 ~methaneLevelCritical~0)) .cse2)) (or (= |old(~pumpRunning~0)| 0) .cse2))) [2022-11-02 20:21:10,714 INFO L895 garLoopResultBuilder]: At program point L329(line 329) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0))) (and (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse0 (<= ~waterLevel~0 1) .cse1) (not (<= 0 ~methaneLevelCritical~0)) (and (= |timeShift_isHighWaterLevel_#res#1| 1) .cse0 (= |timeShift_processEnvironment_~tmp~2#1| 1) (= |timeShift_isHighWaterLevel_~tmp~4#1| 0) (= |timeShift_isHighWaterSensorDry_#res#1| 0) .cse1 (= |timeShift_isHighWaterLevel_~tmp___0~1#1| 1)) .cse2)) (or (= |old(~pumpRunning~0)| 0) .cse2))) [2022-11-02 20:21:10,714 INFO L899 garLoopResultBuilder]: For program point L329-1(line 329) no Hoare annotation was computed. [2022-11-02 20:21:10,714 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 233 256) no Hoare annotation was computed. [2022-11-02 20:21:10,714 INFO L899 garLoopResultBuilder]: For program point L932(lines 932 938) no Hoare annotation was computed. [2022-11-02 20:21:10,714 INFO L899 garLoopResultBuilder]: For program point L928(lines 928 941) no Hoare annotation was computed. [2022-11-02 20:21:10,715 INFO L895 garLoopResultBuilder]: At program point L928-1(lines 913 945) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0)) (.cse3 (= 0 ~systemActive~0)) (.cse2 (= |old(~pumpRunning~0)| 0))) (let ((.cse4 (not .cse2)) (.cse0 (<= ~waterLevel~0 1)) (.cse1 (not .cse3)) (.cse8 (= |timeShift_isHighWaterLevel_#res#1| 1)) (.cse13 (not .cse5)) (.cse9 (= |timeShift_processEnvironment_~tmp~2#1| 1)) (.cse10 (= |timeShift_isHighWaterLevel_~tmp~4#1| 0)) (.cse14 (<= |timeShift_activatePump_~tmp~3#1| 0)) (.cse11 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse15 (<= 0 |timeShift_activatePump_~tmp~3#1|)) (.cse12 (= |timeShift_isHighWaterLevel_~tmp___0~1#1| 1))) (and (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1) .cse2 .cse3) (let ((.cse7 (not (= |timeShift___utac_acc__Specification3_spec__1_~tmp~8#1| 0)))) (or .cse4 (and .cse5 .cse0 .cse6 .cse7 .cse1) (not (<= 1 ~methaneLevelCritical~0)) (and .cse8 .cse5 .cse9 .cse10 .cse11 .cse6 .cse7 .cse12) (and .cse8 .cse13 .cse9 .cse10 .cse14 .cse11 .cse6 .cse15 .cse12) .cse3 (and .cse13 .cse0 .cse14 .cse6 .cse15 .cse1))) (or .cse13 .cse2 .cse3) (let ((.cse16 (<= |timeShift_isMethaneAlarm_#res#1| 0)) (.cse17 (<= 0 |timeShift_isMethaneAlarm_#res#1|))) (or .cse4 (and .cse5 .cse0 .cse6 .cse1) (not (<= ~methaneLevelCritical~0 0)) (and .cse0 .cse14 .cse16 .cse6 .cse17 .cse15 .cse1) (not (<= 0 ~methaneLevelCritical~0)) .cse3 (and .cse8 .cse13 .cse9 .cse10 .cse14 .cse16 .cse11 .cse6 .cse17 .cse15 .cse12)))))) [2022-11-02 20:21:10,715 INFO L895 garLoopResultBuilder]: At program point L284(line 284) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| 0)) (.cse1 (= 0 ~systemActive~0))) (and (or (not .cse0) (not (<= 0 ~methaneLevelCritical~0)) .cse1) (or (not (<= |old(~waterLevel~0)| 1)) (<= ~waterLevel~0 1) .cse0 .cse1) (or (not (= ~pumpRunning~0 0)) .cse0 .cse1))) [2022-11-02 20:21:10,715 INFO L895 garLoopResultBuilder]: At program point L284-1(lines 265 289) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0))) (let ((.cse0 (<= ~waterLevel~0 1)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse11 (not .cse2)) (.cse1 (= |old(~pumpRunning~0)| 0)) (.cse17 (= ~pumpRunning~0 0))) (let ((.cse3 (not .cse17)) (.cse4 (not .cse1)) (.cse5 (and .cse17 .cse0 .cse8 .cse11)) (.cse6 (<= |timeShift_activatePump_~tmp~3#1| 0)) (.cse10 (<= 0 |timeShift_activatePump_~tmp~3#1|)) (.cse12 (= |timeShift_isHighWaterLevel_#res#1| 1)) (.cse13 (= |timeShift_processEnvironment_~tmp~2#1| 1)) (.cse14 (= |timeShift_isHighWaterLevel_~tmp~4#1| 0)) (.cse15 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse16 (= |timeShift_isHighWaterLevel_~tmp___0~1#1| 1))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (let ((.cse7 (<= |timeShift_isMethaneAlarm_#res#1| 0)) (.cse9 (<= 0 |timeShift_isMethaneAlarm_#res#1|))) (or .cse4 .cse5 (not (<= ~methaneLevelCritical~0 0)) (and .cse0 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) (not (<= 0 ~methaneLevelCritical~0)) .cse2 (and .cse12 .cse3 .cse13 .cse14 .cse6 .cse7 .cse15 .cse8 .cse9 .cse10 .cse16))) (or .cse4 (and .cse0 .cse6 .cse8 .cse10 .cse11) .cse5 (not (<= 1 ~methaneLevelCritical~0)) (and .cse12 .cse13 .cse14 .cse6 .cse15 .cse8 .cse10 .cse16) (and .cse12 .cse17 .cse13 .cse14 .cse15 .cse8 .cse16) .cse2))))) [2022-11-02 20:21:10,716 INFO L899 garLoopResultBuilder]: For program point L507(line 507) no Hoare annotation was computed. [2022-11-02 20:21:10,716 INFO L895 garLoopResultBuilder]: At program point L920(line 920) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0))) (let ((.cse0 (<= ~waterLevel~0 1)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse11 (not .cse2)) (.cse1 (= |old(~pumpRunning~0)| 0)) (.cse17 (= ~pumpRunning~0 0))) (let ((.cse3 (not .cse17)) (.cse4 (not .cse1)) (.cse5 (and .cse17 .cse0 .cse8 .cse11)) (.cse6 (<= |timeShift_activatePump_~tmp~3#1| 0)) (.cse10 (<= 0 |timeShift_activatePump_~tmp~3#1|)) (.cse12 (= |timeShift_isHighWaterLevel_#res#1| 1)) (.cse13 (= |timeShift_processEnvironment_~tmp~2#1| 1)) (.cse14 (= |timeShift_isHighWaterLevel_~tmp~4#1| 0)) (.cse15 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse16 (= |timeShift_isHighWaterLevel_~tmp___0~1#1| 1))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (let ((.cse7 (<= |timeShift_isMethaneAlarm_#res#1| 0)) (.cse9 (<= 0 |timeShift_isMethaneAlarm_#res#1|))) (or .cse4 .cse5 (not (<= ~methaneLevelCritical~0 0)) (and .cse0 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) (not (<= 0 ~methaneLevelCritical~0)) .cse2 (and .cse12 .cse3 .cse13 .cse14 .cse6 .cse7 .cse15 .cse8 .cse9 .cse10 .cse16))) (or .cse4 (and .cse0 .cse6 .cse8 .cse10 .cse11) .cse5 (not (<= 1 ~methaneLevelCritical~0)) (and .cse12 .cse13 .cse14 .cse6 .cse15 .cse8 .cse10 .cse16) (and .cse12 .cse17 .cse13 .cse14 .cse15 .cse8 .cse16) .cse2))))) [2022-11-02 20:21:10,716 INFO L899 garLoopResultBuilder]: For program point L920-1(line 920) no Hoare annotation was computed. [2022-11-02 20:21:10,716 INFO L895 garLoopResultBuilder]: At program point L508(lines 503 510) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (= |old(~pumpRunning~0)| 0) .cse0) (or (not (<= 0 ~methaneLevelCritical~0)) .cse0))) [2022-11-02 20:21:10,717 INFO L899 garLoopResultBuilder]: For program point L244-1(lines 244 250) no Hoare annotation was computed. [2022-11-02 20:21:10,717 INFO L899 garLoopResultBuilder]: For program point L306(lines 306 312) no Hoare annotation was computed. [2022-11-02 20:21:10,717 INFO L899 garLoopResultBuilder]: For program point L273(lines 273 281) no Hoare annotation was computed. [2022-11-02 20:21:10,717 INFO L895 garLoopResultBuilder]: At program point L306-2(lines 299 315) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (let ((.cse2 (<= ~waterLevel~0 1)) (.cse8 (not .cse0)) (.cse3 (<= |timeShift_activatePump_~tmp~3#1| 0)) (.cse7 (<= 0 |timeShift_activatePump_~tmp~3#1|)) (.cse9 (= |timeShift_isHighWaterLevel_#res#1| 1)) (.cse14 (= ~pumpRunning~0 0)) (.cse10 (= |timeShift_processEnvironment_~tmp~2#1| 1)) (.cse11 (= |timeShift_isHighWaterLevel_~tmp~4#1| 0)) (.cse12 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse13 (= |timeShift_isHighWaterLevel_~tmp___0~1#1| 1))) (and (let ((.cse1 (not .cse14)) (.cse4 (<= |timeShift_isMethaneAlarm_#res#1| 0)) (.cse6 (<= 0 |timeShift_isMethaneAlarm_#res#1|))) (or (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)) .cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 .cse1 .cse10 .cse11 .cse3 .cse4 .cse12 .cse5 .cse6 .cse7 .cse13))) (or (= |old(~pumpRunning~0)| 0) .cse0) (or (and .cse14 .cse2 .cse5) (and .cse2 .cse3 .cse5 .cse7 .cse8) (not (<= 1 ~methaneLevelCritical~0)) (and .cse9 .cse10 .cse11 .cse3 .cse12 .cse5 .cse7 .cse13) (and .cse9 .cse14 .cse10 .cse11 .cse12 .cse5 .cse13) .cse0)))) [2022-11-02 20:21:10,717 INFO L899 garLoopResultBuilder]: For program point L269(lines 269 286) no Hoare annotation was computed. [2022-11-02 20:21:10,718 INFO L899 garLoopResultBuilder]: For program point L492(lines 492 498) no Hoare annotation was computed. [2022-11-02 20:21:10,718 INFO L895 garLoopResultBuilder]: At program point L331(lines 324 334) the Hoare annotation is: (let ((.cse10 (= 0 ~systemActive~0))) (let ((.cse2 (<= ~waterLevel~0 1)) (.cse4 (not .cse10)) (.cse5 (= |timeShift_isHighWaterLevel_#res#1| 1)) (.cse1 (= ~pumpRunning~0 0)) (.cse6 (= |timeShift_processEnvironment_~tmp~2#1| 1)) (.cse7 (= |timeShift_isHighWaterLevel_~tmp~4#1| 0)) (.cse8 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (= |timeShift_isHighWaterLevel_~tmp___0~1#1| 1))) (and (let ((.cse0 (= ~methaneLevelCritical~0 |timeShift_isMethaneAlarm_#res#1|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse6 .cse7 .cse8 .cse3 .cse9) (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)) .cse10)) (or (and .cse1 .cse2 .cse3 .cse4) (not (<= 1 ~methaneLevelCritical~0)) (and .cse5 .cse1 .cse6 .cse7 .cse8 .cse3 .cse9) .cse10) (or (= |old(~pumpRunning~0)| 0) .cse10)))) [2022-11-02 20:21:10,718 INFO L899 garLoopResultBuilder]: For program point L389(lines 389 393) no Hoare annotation was computed. [2022-11-02 20:21:10,718 INFO L895 garLoopResultBuilder]: At program point L484(lines 479 487) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse18 (= ~pumpRunning~0 0))) (let ((.cse8 (= |old(~pumpRunning~0)| 0)) (.cse10 (not .cse18)) (.cse6 (<= ~waterLevel~0 1)) (.cse13 (<= |timeShift_activatePump_~tmp~3#1| 0)) (.cse15 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse16 (<= 0 |timeShift_activatePump_~tmp~3#1|)) (.cse7 (<= |timeShift_getWaterLevel_#res#1| 1)) (.cse21 (not .cse2))) (let ((.cse3 (not (<= |old(~waterLevel~0)| 1))) (.cse4 (and .cse10 .cse6 .cse13 .cse15 .cse16 .cse7 .cse21)) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not .cse8)) (.cse1 (not (<= 0 ~methaneLevelCritical~0))) (.cse9 (= |timeShift_isHighWaterLevel_#res#1| 1)) (.cse11 (= |timeShift_processEnvironment_~tmp~2#1| 1)) (.cse12 (= |timeShift_isHighWaterLevel_~tmp~4#1| 0)) (.cse14 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse17 (= |timeShift_isHighWaterLevel_~tmp___0~1#1| 1))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2 (= |timeShift_getWaterLevel_#res#1| 1)) (or .cse3 .cse0 .cse4 .cse5 .cse2) (or (and .cse6 .cse7) .cse3 .cse8 .cse2) (or .cse0 .cse4 .cse5 (and .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17) .cse2) (or .cse10 .cse8 .cse2) (let ((.cse19 (<= |timeShift_isMethaneAlarm_#res#1| 0)) (.cse20 (<= 0 |timeShift_isMethaneAlarm_#res#1|))) (or (and .cse18 .cse6 .cse15 .cse7) .cse0 (and .cse6 .cse13 .cse19 .cse15 .cse20 .cse16 .cse7 .cse21) (not (<= ~methaneLevelCritical~0 0)) .cse1 .cse2 (and .cse9 .cse10 .cse11 .cse12 .cse13 .cse19 .cse14 .cse15 .cse20 .cse16 .cse17))))))) [2022-11-02 20:21:10,719 INFO L899 garLoopResultBuilder]: For program point L389-2(lines 389 393) no Hoare annotation was computed. [2022-11-02 20:21:10,719 INFO L899 garLoopResultBuilder]: For program point L922(lines 922 942) no Hoare annotation was computed. [2022-11-02 20:21:10,719 INFO L895 garLoopResultBuilder]: At program point L340(lines 335 343) the Hoare annotation is: (let ((.cse15 (= |old(~pumpRunning~0)| 0))) (let ((.cse13 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (<= 0 ~methaneLevelCritical~0))) (.cse0 (not .cse15)) (.cse14 (not (<= 1 ~methaneLevelCritical~0))) (.cse12 (= 0 ~systemActive~0)) (.cse2 (= |timeShift_isHighWaterLevel_#res#1| 1)) (.cse3 (not (= ~pumpRunning~0 0))) (.cse4 (not (= |timeShift_isPumpRunning_#res#1| 0))) (.cse5 (= |timeShift_processEnvironment_~tmp~2#1| 1)) (.cse6 (= |timeShift_isHighWaterLevel_~tmp~4#1| 0)) (.cse7 (<= |timeShift_activatePump_~tmp~3#1| 0)) (.cse8 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse10 (<= 0 |timeShift_activatePump_~tmp~3#1|)) (.cse11 (= |timeShift_isHighWaterLevel_~tmp___0~1#1| 1))) (and (or .cse0 (not (<= ~methaneLevelCritical~0 0)) .cse1 (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (<= |timeShift_isMethaneAlarm_#res#1| 0) .cse8 .cse9 (<= 0 |timeShift_isMethaneAlarm_#res#1|) .cse10 .cse11) .cse12) (or .cse13 .cse14 .cse12) (or .cse13 .cse15 .cse12) (or (and .cse3 .cse4) .cse15 .cse12) (or (not (= |old(~waterLevel~0)| 1)) .cse1 .cse12) (or .cse0 .cse14 .cse12 (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11))))) [2022-11-02 20:21:10,719 INFO L895 garLoopResultBuilder]: At program point L497(lines 488 501) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0))) (and (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse0 (<= ~waterLevel~0 1) .cse1) (not (<= 0 ~methaneLevelCritical~0)) .cse2 (and .cse0 (= |timeShift_isHighWaterSensorDry_#res#1| 0) .cse1))) (or (= |old(~pumpRunning~0)| 0) .cse2))) [2022-11-02 20:21:10,720 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 233 256) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| 0)) (.cse3 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not .cse0) (and .cse1 .cse2) (not (<= 0 ~methaneLevelCritical~0)) .cse3) (or .cse0 .cse3 (and (not .cse1) .cse2)))) [2022-11-02 20:21:10,720 INFO L899 garLoopResultBuilder]: For program point L237-1(lines 236 255) no Hoare annotation was computed. [2022-11-02 20:21:10,720 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 233 256) no Hoare annotation was computed. [2022-11-02 20:21:10,720 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 507) no Hoare annotation was computed. [2022-11-02 20:21:10,721 INFO L895 garLoopResultBuilder]: At program point L295(lines 290 297) the Hoare annotation is: (let ((.cse9 (= 0 ~systemActive~0))) (let ((.cse10 (<= ~waterLevel~0 1)) (.cse11 (not .cse9)) (.cse0 (= |timeShift_isHighWaterLevel_#res#1| 1)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (= |timeShift_processEnvironment_~tmp~2#1| 1)) (.cse3 (= |timeShift_isHighWaterLevel_~tmp~4#1| 0)) (.cse4 (<= |timeShift_activatePump_~tmp~3#1| 0)) (.cse5 (= |timeShift_isHighWaterSensorDry_#res#1| 0)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (<= 0 |timeShift_activatePump_~tmp~3#1|)) (.cse8 (= |timeShift_isHighWaterLevel_~tmp___0~1#1| 1))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) .cse9 (and .cse1 .cse10 .cse4 .cse6 .cse7 .cse11)) (let ((.cse12 (<= |timeShift_isMethaneAlarm_#res#1| 0)) (.cse13 (<= 0 |timeShift_isMethaneAlarm_#res#1|))) (or (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)) .cse9 (and .cse1 .cse10 .cse4 .cse12 .cse6 .cse13 .cse7 .cse11) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse12 .cse5 .cse6 .cse13 .cse7 .cse8))) (or (= |old(~pumpRunning~0)| 0) .cse9)))) [2022-11-02 20:21:10,721 INFO L902 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2022-11-02 20:21:10,721 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2022-11-02 20:21:10,721 INFO L899 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2022-11-02 20:21:10,721 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 52 81) the Hoare annotation is: true [2022-11-02 20:21:10,722 INFO L902 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2022-11-02 20:21:10,722 INFO L902 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2022-11-02 20:21:10,722 INFO L899 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2022-11-02 20:21:10,722 INFO L902 garLoopResultBuilder]: At program point L77(lines 52 81) the Hoare annotation is: true [2022-11-02 20:21:10,722 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2022-11-02 20:21:10,722 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2022-11-02 20:21:10,723 INFO L895 garLoopResultBuilder]: At program point L213(lines 164 214) the Hoare annotation is: false [2022-11-02 20:21:10,723 INFO L895 garLoopResultBuilder]: At program point L527(lines 523 529) the Hoare annotation is: (and (= ~pumpRunning~0 0) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-02 20:21:10,723 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-02 20:21:10,723 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-02 20:21:10,723 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-02 20:21:10,723 INFO L899 garLoopResultBuilder]: For program point L185(lines 185 191) no Hoare annotation was computed. [2022-11-02 20:21:10,724 INFO L899 garLoopResultBuilder]: For program point L185-1(lines 185 191) no Hoare annotation was computed. [2022-11-02 20:21:10,724 INFO L895 garLoopResultBuilder]: At program point L404(lines 399 406) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (<= 0 ~methaneLevelCritical~0) .cse3) (and (not (= ~pumpRunning~0 0)) .cse0 .cse1 .cse2 .cse3))) [2022-11-02 20:21:10,724 INFO L895 garLoopResultBuilder]: At program point L210(lines 165 212) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and (<= 1 ~methaneLevelCritical~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse2 (<= 0 ~methaneLevelCritical~0) .cse3) (and (not (= ~pumpRunning~0 0)) .cse0 .cse1 .cse2 .cse3))) [2022-11-02 20:21:10,724 INFO L895 garLoopResultBuilder]: At program point L177(line 177) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and (<= 1 ~methaneLevelCritical~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (<= ~waterLevel~0 1) .cse2 (<= 0 ~methaneLevelCritical~0) .cse3) (and (not (= ~pumpRunning~0 0)) .cse0 .cse1 .cse2 .cse3))) [2022-11-02 20:21:10,724 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2022-11-02 20:21:10,725 INFO L899 garLoopResultBuilder]: For program point L140-2(lines 140 147) no Hoare annotation was computed. [2022-11-02 20:21:10,725 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-02 20:21:10,725 INFO L902 garLoopResultBuilder]: At program point L124(lines 117 126) the Hoare annotation is: true [2022-11-02 20:21:10,725 INFO L902 garLoopResultBuilder]: At program point L149(lines 130 152) the Hoare annotation is: true [2022-11-02 20:21:10,725 INFO L899 garLoopResultBuilder]: For program point L203(lines 203 207) no Hoare annotation was computed. [2022-11-02 20:21:10,725 INFO L895 garLoopResultBuilder]: At program point L203-2(lines 195 208) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (<= 0 ~methaneLevelCritical~0) .cse3) (and (not (= ~pumpRunning~0 0)) .cse0 .cse1 .cse2 .cse3))) [2022-11-02 20:21:10,726 INFO L899 garLoopResultBuilder]: For program point L166(lines 165 212) no Hoare annotation was computed. [2022-11-02 20:21:10,726 INFO L899 garLoopResultBuilder]: For program point L195(lines 195 208) no Hoare annotation was computed. [2022-11-02 20:21:10,726 INFO L895 garLoopResultBuilder]: At program point L542(lines 537 545) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-02 20:21:10,726 INFO L895 garLoopResultBuilder]: At program point L187(line 187) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 (<= 0 ~methaneLevelCritical~0) .cse3) (and (not (= ~pumpRunning~0 0)) .cse0 .cse1 .cse2 .cse3))) [2022-11-02 20:21:10,726 INFO L902 garLoopResultBuilder]: At program point L216(lines 155 220) the Hoare annotation is: true [2022-11-02 20:21:10,727 INFO L895 garLoopResultBuilder]: At program point L534(lines 530 536) the Hoare annotation is: (and (= ~pumpRunning~0 0) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-02 20:21:10,727 INFO L895 garLoopResultBuilder]: At program point L113(lines 109 115) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~0#1| 1) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-02 20:21:10,727 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 181) no Hoare annotation was computed. [2022-11-02 20:21:10,727 INFO L899 garLoopResultBuilder]: For program point L175-1(lines 175 181) no Hoare annotation was computed. [2022-11-02 20:21:10,727 INFO L899 garLoopResultBuilder]: For program point L167(lines 167 171) no Hoare annotation was computed. [2022-11-02 20:21:10,727 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 423 434) no Hoare annotation was computed. [2022-11-02 20:21:10,727 INFO L899 garLoopResultBuilder]: For program point L427-1(lines 423 434) no Hoare annotation was computed. [2022-11-02 20:21:10,728 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 423 434) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 0 ~methaneLevelCritical~0)) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or (= ~pumpRunning~0 0) .cse0 .cse1))) [2022-11-02 20:21:10,731 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:21:10,734 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 20:21:10,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:21:10 BoogieIcfgContainer [2022-11-02 20:21:10,767 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 20:21:10,768 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:21:10,768 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:21:10,768 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:21:10,769 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:20:58" (3/4) ... [2022-11-02 20:21:10,772 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-02 20:21:10,779 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-02 20:21:10,779 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-02 20:21:10,779 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-02 20:21:10,779 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-02 20:21:10,779 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-02 20:21:10,780 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-02 20:21:10,787 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 51 nodes and edges [2022-11-02 20:21:10,788 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-02 20:21:10,788 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-02 20:21:10,789 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-02 20:21:10,789 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-02 20:21:10,789 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 20:21:10,790 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 20:21:10,818 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && \result == 1) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1) && !(0 == systemActive) [2022-11-02 20:21:10,819 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && \result == 1) && tmp == 1) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1) && !(0 == systemActive) [2022-11-02 20:21:10,819 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= methaneLevelCritical && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) || (((((\result == 1 && tmp == 1) && waterLevel <= 1) && splverifierCounter == 0) && 0 <= methaneLevelCritical) && !(0 == systemActive))) || ((((!(pumpRunning == 0) && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) [2022-11-02 20:21:10,819 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && (((!(\old(waterLevel) <= 1) || waterLevel <= 1) || \old(pumpRunning) == 0) || 0 == systemActive)) && ((!(pumpRunning == 0) || \old(pumpRunning) == 0) || 0 == systemActive) [2022-11-02 20:21:10,820 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(waterLevel) <= 1) || waterLevel <= 1) || \old(pumpRunning) == 0) || 0 == systemActive) && ((!(pumpRunning == 0) || \old(pumpRunning) == 0) || 0 == systemActive)) && ((((((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(methaneLevelCritical <= 0)) || ((((((waterLevel <= 1 && tmp <= 0) && \result <= 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && !(0 == systemActive))) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || ((((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && tmp___0 == 1))) && ((((((!(\old(pumpRunning) == 0) || ((((waterLevel <= 1 && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && !(0 == systemActive))) || (((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || (((((((\result == 1 && tmp == 1) && tmp == 0) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && tmp___0 == 1)) || ((((((\result == 1 && pumpRunning == 0) && tmp == 1) && tmp == 0) && \result == 0) && \old(waterLevel) == waterLevel) && tmp___0 == 1)) || 0 == systemActive) [2022-11-02 20:21:10,821 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && tmp == 1) && splverifierCounter == 0) && 0 <= methaneLevelCritical) && !(0 == systemActive)) || ((((!(pumpRunning == 0) && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) [2022-11-02 20:21:10,821 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(waterLevel) <= 1) || (waterLevel <= 1 && !(0 == systemActive))) || \old(pumpRunning) == 0) || 0 == systemActive) && ((((((!(\old(pumpRunning) == 0) || ((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && !(tmp == 0)) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || (((((((\result == 1 && pumpRunning == 0) && tmp == 1) && tmp == 0) && \result == 0) && \old(waterLevel) == waterLevel) && !(tmp == 0)) && tmp___0 == 1)) || ((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && tmp___0 == 1)) || 0 == systemActive) || (((((!(pumpRunning == 0) && waterLevel <= 1) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && !(0 == systemActive)))) && ((!(pumpRunning == 0) || \old(pumpRunning) == 0) || 0 == systemActive)) && ((((((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(methaneLevelCritical <= 0)) || ((((((waterLevel <= 1 && tmp <= 0) && \result <= 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && !(0 == systemActive))) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || ((((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && tmp___0 == 1)) [2022-11-02 20:21:10,821 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((methaneLevelCritical == \result && pumpRunning == 0) && waterLevel <= 1) && \old(waterLevel) == waterLevel) && !(0 == systemActive)) || (((((((\result == 1 && methaneLevelCritical == \result) && pumpRunning == 0) && tmp == 1) && tmp == 0) && \result == 0) && \old(waterLevel) == waterLevel) && tmp___0 == 1)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && ((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && !(0 == systemActive)) || !(1 <= methaneLevelCritical)) || ((((((\result == 1 && pumpRunning == 0) && tmp == 1) && tmp == 0) && \result == 0) && \old(waterLevel) == waterLevel) && tmp___0 == 1)) || 0 == systemActive)) && (\old(pumpRunning) == 0 || 0 == systemActive) [2022-11-02 20:21:10,821 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || \result == 1) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || ((((((!(pumpRunning == 0) && waterLevel <= 1) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && \result <= 1) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((((waterLevel <= 1 && \result <= 1) || !(\old(waterLevel) <= 1)) || \old(pumpRunning) == 0) || 0 == systemActive)) && ((((!(\old(pumpRunning) == 0) || ((((((!(pumpRunning == 0) && waterLevel <= 1) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && \result <= 1) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || ((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && tmp___0 == 1)) || 0 == systemActive)) && ((!(pumpRunning == 0) || \old(pumpRunning) == 0) || 0 == systemActive)) && (((((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && \result <= 1) || !(\old(pumpRunning) == 0)) || (((((((waterLevel <= 1 && tmp <= 0) && \result <= 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && \result <= 1) && !(0 == systemActive))) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || ((((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && tmp___0 == 1)) [2022-11-02 20:21:10,822 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel)) && (\old(pumpRunning) == 0 || 0 == systemActive) [2022-11-02 20:21:10,822 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(methaneLevelCritical <= 0) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || (((((((!(pumpRunning == 0) && waterLevel <= 1) && tmp <= 0) && \result <= 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && !(0 == systemActive))) || ((((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && tmp___0 == 1)) && (\old(pumpRunning) == 0 || 0 == systemActive)) && (((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || ((((waterLevel <= 1 && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || (((((((\result == 1 && tmp == 1) && tmp == 0) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && tmp___0 == 1)) || ((((((\result == 1 && pumpRunning == 0) && tmp == 1) && tmp == 0) && \result == 0) && \old(waterLevel) == waterLevel) && tmp___0 == 1)) || 0 == systemActive) [2022-11-02 20:21:10,822 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 <= methaneLevelCritical) || ((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && tmp___0 == 1)) || 0 == systemActive) || (((((!(pumpRunning == 0) && waterLevel <= 1) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && !(0 == systemActive))) && ((((!(methaneLevelCritical <= 0) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || (((((((!(pumpRunning == 0) && waterLevel <= 1) && tmp <= 0) && \result <= 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && !(0 == systemActive))) || ((((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && tmp___0 == 1))) && (\old(pumpRunning) == 0 || 0 == systemActive) [2022-11-02 20:21:10,822 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || (((((\result == 1 && pumpRunning == 0) && tmp == 0) && \result == 0) && \old(waterLevel) == waterLevel) && tmp___0 == 1)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && (\old(pumpRunning) == 0 || 0 == systemActive) [2022-11-02 20:21:10,823 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || (((((((((((\result == 1 && !(pumpRunning == 0)) && !(\result == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && tmp___0 == 1)) || 0 == systemActive) && ((!(\old(waterLevel) <= 1) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((!(\old(waterLevel) <= 1) || \old(pumpRunning) == 0) || 0 == systemActive)) && (((!(pumpRunning == 0) && !(\result == 0)) || \old(pumpRunning) == 0) || 0 == systemActive)) && ((!(\old(waterLevel) == 1) || !(0 <= methaneLevelCritical)) || 0 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || (((((((((\result == 1 && !(pumpRunning == 0)) && !(\result == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && tmp___0 == 1)) [2022-11-02 20:21:10,823 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(pumpRunning) == 0 || 0 == systemActive) && (!(0 <= methaneLevelCritical) || 0 == systemActive) [2022-11-02 20:21:10,871 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f958adf-eba6-40ca-aa80-291efb9fc3b1/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 20:21:10,871 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:21:10,872 INFO L158 Benchmark]: Toolchain (without parser) took 13655.66ms. Allocated memory was 109.1MB in the beginning and 201.3MB in the end (delta: 92.3MB). Free memory was 64.9MB in the beginning and 173.5MB in the end (delta: -108.6MB). Peak memory consumption was 101.4MB. Max. memory is 16.1GB. [2022-11-02 20:21:10,872 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 109.1MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:21:10,873 INFO L158 Benchmark]: CACSL2BoogieTranslator took 593.84ms. Allocated memory is still 109.1MB. Free memory was 64.6MB in the beginning and 75.6MB in the end (delta: -11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-02 20:21:10,873 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.07ms. Allocated memory is still 109.1MB. Free memory was 75.2MB in the beginning and 73.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:21:10,873 INFO L158 Benchmark]: Boogie Preprocessor took 32.02ms. Allocated memory is still 109.1MB. Free memory was 73.1MB in the beginning and 71.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:21:10,874 INFO L158 Benchmark]: RCFGBuilder took 553.61ms. Allocated memory is still 109.1MB. Free memory was 71.0MB in the beginning and 52.8MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-02 20:21:10,875 INFO L158 Benchmark]: TraceAbstraction took 12310.38ms. Allocated memory was 109.1MB in the beginning and 201.3MB in the end (delta: 92.3MB). Free memory was 52.1MB in the beginning and 62.3MB in the end (delta: -10.2MB). Peak memory consumption was 86.7MB. Max. memory is 16.1GB. [2022-11-02 20:21:10,875 INFO L158 Benchmark]: Witness Printer took 103.47ms. Allocated memory is still 201.3MB. Free memory was 62.3MB in the beginning and 173.5MB in the end (delta: -111.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-02 20:21:10,878 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 109.1MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 593.84ms. Allocated memory is still 109.1MB. Free memory was 64.6MB in the beginning and 75.6MB in the end (delta: -11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.07ms. Allocated memory is still 109.1MB. Free memory was 75.2MB in the beginning and 73.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.02ms. Allocated memory is still 109.1MB. Free memory was 73.1MB in the beginning and 71.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 553.61ms. Allocated memory is still 109.1MB. Free memory was 71.0MB in the beginning and 52.8MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 12310.38ms. Allocated memory was 109.1MB in the beginning and 201.3MB in the end (delta: 92.3MB). Free memory was 52.1MB in the beginning and 62.3MB in the end (delta: -10.2MB). Peak memory consumption was 86.7MB. Max. memory is 16.1GB. * Witness Printer took 103.47ms. Allocated memory is still 201.3MB. Free memory was 62.3MB in the beginning and 173.5MB in the end (delta: -111.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 507]: 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 7 procedures, 82 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.2s, OverallIterations: 11, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1140 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1112 mSDsluCounter, 3261 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2244 mSDsCounter, 201 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1110 IncrementalHoareTripleChecker+Invalid, 1311 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 201 mSolverCounterUnsat, 1017 mSDtfsCounter, 1110 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 204 GetRequests, 119 SyntacticMatches, 3 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=700occurred in iteration=9, InterpolantAutomatonStates: 82, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 11 MinimizatonAttempts, 280 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 38 LocationsWithAnnotation, 1170 PreInvPairs, 1452 NumberOfFragments, 2101 HoareAnnotationTreeSize, 1170 FomulaSimplifications, 1602 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 38 FomulaSimplificationsInter, 17067 FormulaSimplificationTreeSizeReductionInter, 5.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 507 NumberOfCodeBlocks, 507 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 495 ConstructedInterpolants, 0 QuantifiedInterpolants, 1202 SizeOfPredicates, 5 NumberOfNonLiveVariables, 366 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 12 InterpolantComputations, 11 PerfectInterpolantSequences, 10/12 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: 503]: Loop Invariant Derived loop invariant: (\old(pumpRunning) == 0 || 0 == systemActive) && (!(0 <= methaneLevelCritical) || 0 == systemActive) - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && (((!(\old(waterLevel) <= 1) || waterLevel <= 1) || \old(pumpRunning) == 0) || 0 == systemActive)) && ((!(pumpRunning == 0) || \old(pumpRunning) == 0) || 0 == systemActive) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 380]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || (((((\result == 1 && pumpRunning == 0) && tmp == 0) && \result == 0) && \old(waterLevel) == waterLevel) && tmp___0 == 1)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && (\old(pumpRunning) == 0 || 0 == systemActive) - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: (((((!(\old(waterLevel) <= 1) || (waterLevel <= 1 && !(0 == systemActive))) || \old(pumpRunning) == 0) || 0 == systemActive) && ((((((!(\old(pumpRunning) == 0) || ((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && !(tmp == 0)) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || (((((((\result == 1 && pumpRunning == 0) && tmp == 1) && tmp == 0) && \result == 0) && \old(waterLevel) == waterLevel) && !(tmp == 0)) && tmp___0 == 1)) || ((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && tmp___0 == 1)) || 0 == systemActive) || (((((!(pumpRunning == 0) && waterLevel <= 1) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && !(0 == systemActive)))) && ((!(pumpRunning == 0) || \old(pumpRunning) == 0) || 0 == systemActive)) && ((((((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(methaneLevelCritical <= 0)) || ((((((waterLevel <= 1 && tmp <= 0) && \result <= 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && !(0 == systemActive))) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || ((((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && tmp___0 == 1)) - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: (((((!(\old(waterLevel) <= 1) || waterLevel <= 1) || \old(pumpRunning) == 0) || 0 == systemActive) && ((!(pumpRunning == 0) || \old(pumpRunning) == 0) || 0 == systemActive)) && ((((((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(methaneLevelCritical <= 0)) || ((((((waterLevel <= 1 && tmp <= 0) && \result <= 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && !(0 == systemActive))) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || ((((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && tmp___0 == 1))) && ((((((!(\old(pumpRunning) == 0) || ((((waterLevel <= 1 && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && !(0 == systemActive))) || (((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || (((((((\result == 1 && tmp == 1) && tmp == 0) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && tmp___0 == 1)) || ((((((\result == 1 && pumpRunning == 0) && tmp == 1) && tmp == 0) && \result == 0) && \old(waterLevel) == waterLevel) && tmp___0 == 1)) || 0 == systemActive) - InvariantResult [Line: 537]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && \result == 1) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: (((((1 <= methaneLevelCritical && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) || (((((\result == 1 && tmp == 1) && waterLevel <= 1) && splverifierCounter == 0) && 0 <= methaneLevelCritical) && !(0 == systemActive))) || ((((!(pumpRunning == 0) && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && \result == 1) && tmp == 1) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: ((((((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || (((((((((((\result == 1 && !(pumpRunning == 0)) && !(\result == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && tmp___0 == 1)) || 0 == systemActive) && ((!(\old(waterLevel) <= 1) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((!(\old(waterLevel) <= 1) || \old(pumpRunning) == 0) || 0 == systemActive)) && (((!(pumpRunning == 0) && !(\result == 0)) || \old(pumpRunning) == 0) || 0 == systemActive)) && ((!(\old(waterLevel) == 1) || !(0 <= methaneLevelCritical)) || 0 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || (((((((((\result == 1 && !(pumpRunning == 0)) && !(\result == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && tmp___0 == 1)) - InvariantResult [Line: 299]: Loop Invariant Derived loop invariant: (((((!(methaneLevelCritical <= 0) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || (((((((!(pumpRunning == 0) && waterLevel <= 1) && tmp <= 0) && \result <= 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && !(0 == systemActive))) || ((((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && tmp___0 == 1)) && (\old(pumpRunning) == 0 || 0 == systemActive)) && (((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || ((((waterLevel <= 1 && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || (((((((\result == 1 && tmp == 1) && tmp == 0) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && tmp___0 == 1)) || ((((((\result == 1 && pumpRunning == 0) && tmp == 1) && tmp == 0) && \result == 0) && \old(waterLevel) == waterLevel) && tmp___0 == 1)) || 0 == systemActive) - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: (((((((((methaneLevelCritical == \result && pumpRunning == 0) && waterLevel <= 1) && \old(waterLevel) == waterLevel) && !(0 == systemActive)) || (((((((\result == 1 && methaneLevelCritical == \result) && pumpRunning == 0) && tmp == 1) && tmp == 0) && \result == 0) && \old(waterLevel) == waterLevel) && tmp___0 == 1)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && ((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && !(0 == systemActive)) || !(1 <= methaneLevelCritical)) || ((((((\result == 1 && pumpRunning == 0) && tmp == 1) && tmp == 0) && \result == 0) && \old(waterLevel) == waterLevel) && tmp___0 == 1)) || 0 == systemActive)) && (\old(pumpRunning) == 0 || 0 == systemActive) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 290]: Loop Invariant Derived loop invariant: ((((!(1 <= methaneLevelCritical) || ((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && tmp___0 == 1)) || 0 == systemActive) || (((((!(pumpRunning == 0) && waterLevel <= 1) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && !(0 == systemActive))) && ((((!(methaneLevelCritical <= 0) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || (((((((!(pumpRunning == 0) && waterLevel <= 1) && tmp <= 0) && \result <= 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && !(0 == systemActive))) || ((((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && tmp___0 == 1))) && (\old(pumpRunning) == 0 || 0 == systemActive) - InvariantResult [Line: 399]: Loop Invariant Derived loop invariant: ((((\result == 1 && tmp == 1) && splverifierCounter == 0) && 0 <= methaneLevelCritical) && !(0 == systemActive)) || ((((!(pumpRunning == 0) && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) - InvariantResult [Line: 479]: Loop Invariant Derived loop invariant: ((((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || \result == 1) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || ((((((!(pumpRunning == 0) && waterLevel <= 1) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && \result <= 1) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((((waterLevel <= 1 && \result <= 1) || !(\old(waterLevel) <= 1)) || \old(pumpRunning) == 0) || 0 == systemActive)) && ((((!(\old(pumpRunning) == 0) || ((((((!(pumpRunning == 0) && waterLevel <= 1) && tmp <= 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && \result <= 1) && !(0 == systemActive))) || !(1 <= methaneLevelCritical)) || ((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= tmp) && tmp___0 == 1)) || 0 == systemActive)) && ((!(pumpRunning == 0) || \old(pumpRunning) == 0) || 0 == systemActive)) && (((((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) && \result <= 1) || !(\old(pumpRunning) == 0)) || (((((((waterLevel <= 1 && tmp <= 0) && \result <= 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && \result <= 1) && !(0 == systemActive))) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || ((((((((((\result == 1 && !(pumpRunning == 0)) && tmp == 1) && tmp == 0) && tmp <= 0) && \result <= 0) && \result == 0) && \old(waterLevel) == waterLevel) && 0 <= \result) && 0 <= tmp) && tmp___0 == 1)) - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel)) && (\old(pumpRunning) == 0 || 0 == systemActive) RESULT: Ultimate proved your program to be correct! [2022-11-02 20:21:10,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f958adf-eba6-40ca-aa80-291efb9fc3b1/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